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src.rivoreo.one / minecraft / minecraftxray / 3f3f5d194eefef53f65e72f35c74ae5c4ead2938 / . / src / com / apocalyptech / minecraft / xray / Chunk.java
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/**
* Copyright (c) 2010-2011, Vincent Vollers and Christopher J. Kucera
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Minecraft X-Ray team nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL VINCENT VOLLERS OR CJ KUCERA BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.apocalyptech.minecraft.xray;
import java.lang.Math;
import java.util.ArrayList;
import org.lwjgl.opengl.GL11;
import com.apocalyptech.minecraft.xray.dtf.ShortArrayTag;
import com.apocalyptech.minecraft.xray.dtf.ByteArrayTag;
import com.apocalyptech.minecraft.xray.dtf.CompoundTag;
import com.apocalyptech.minecraft.xray.dtf.StringTag;
import com.apocalyptech.minecraft.xray.dtf.ListTag;
import com.apocalyptech.minecraft.xray.dtf.IntTag;
import com.apocalyptech.minecraft.xray.dtf.Tag;
import static com.apocalyptech.minecraft.xray.MinecraftConstants.*;
/**
* Chunk functions, including the meat of our rendering stuffs
*
* TODO: There are a lot of functions that do very similar things in here, it would be
* good to consolidate some of those. I don't know why it took me so long to come
* up with the current implementation of renderVertical and renderHorizontal - I suspect
* that much of the rendering code would be improved by moving to those if possible.
*/
public class Chunk {
private int displayListNum;
private int transparentListNum;
private int selectedDisplayListNum;
public int x;
public int z;
public boolean isDirty;
public boolean isSelectedDirty;
public boolean isOnMinimap;
private CompoundTag chunkData;
private ShortArrayTag blockData;
private ByteArrayTag mapData;
private ArrayList<PaintingEntity> paintings;
private MinecraftLevel level;
private final float fence_postsize = .125f;
private final float fence_postsize_h = fence_postsize/2f;
private final float fence_slat_height = .1875f;
private final float fence_top_slat_offset = .375f;
private final float fence_slat_start_offset = -.125f;
private static enum RENDER_PASS {
SOLIDS,
TRANSPARENTS,
SELECTED
}
public Chunk(MinecraftLevel level, Tag data) {
this.level = level;
this.chunkData = (CompoundTag) data;
this.isOnMinimap = false;
CompoundTag levelTag = (CompoundTag) chunkData.value.get(0); // first tag
IntTag xPosTag = (IntTag) levelTag.getTagWithName("xPos");
IntTag zPosTag = (IntTag) levelTag.getTagWithName("zPos");
paintings = new ArrayList<PaintingEntity>();
ListTag entities = (ListTag)levelTag.getTagWithName("Entities");
StringTag entity_id;
CompoundTag ct;
for (Tag t : entities.value)
{
ct = (CompoundTag)t;
entity_id = (StringTag) ct.getTagWithName("id");
if (entity_id.value.equalsIgnoreCase("painting"))
{
paintings.add(new PaintingEntity(ct));
}
}
this.x = xPosTag.value;
this.z = zPosTag.value;
blockData = (ShortArrayTag) levelTag.getTagWithName("Blocks");
mapData = (ByteArrayTag) levelTag.getTagWithName("Data");
this.isDirty = true;
this.isSelectedDirty = true;
displayListNum = GL11.glGenLists(1);
selectedDisplayListNum = GL11.glGenLists(1);
transparentListNum = GL11.glGenLists(1);
//System.out.println(data);
//System.exit(0);
}
public CompoundTag getChunkData() {
return this.chunkData;
}
public ShortArrayTag getMapData() {
return this.blockData;
}
/**
* Gets the Block ID of the block immediately to the north. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private short getAdjNorthBlockId(int x, int y, int z, int blockOffset)
{
if (x > 0)
{
return blockData.value[blockOffset-BLOCKSPERCOLUMN];
}
else
{
Chunk otherChunk = level.getChunk(this.x-1, this.z);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getBlock(15, y, z);
}
}
}
/**
* Gets the data value of the block immediately to the north. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private byte getAdjNorthBlockData(int x, int y, int z)
{
if (x > 0)
{
return getData(x-1, y, z);
}
else
{
Chunk otherChunk = level.getChunk(this.x-1, this.z);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getData(15, y, z);
}
}
}
/**
* Gets the Block ID of the block immediately to the south. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private short getAdjSouthBlockId(int x, int y, int z, int blockOffset)
{
if (x < 15)
{
return blockData.value[blockOffset+BLOCKSPERCOLUMN];
}
else
{
Chunk otherChunk = level.getChunk(this.x+1, this.z);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getBlock(0, y, z);
}
}
}
/**
* Gets the data value of the block immediately to the south. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private byte getAdjSouthBlockData(int x, int y, int z)
{
if (x < 15)
{
return getData(x+1, y, z);
}
else
{
Chunk otherChunk = level.getChunk(this.x+1, this.z);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getData(0, y, z);
}
}
}
/**
* Gets the Block ID of the block immediately to the east. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private short getAdjEastBlockId(int x, int y, int z, int blockOffset)
{
if (z > 0)
{
return blockData.value[blockOffset-BLOCKSPERROW];
}
else
{
Chunk otherChunk = level.getChunk(this.x, this.z-1);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getBlock(x, y, 15);
}
}
}
/**
* Gets the data value of the block immediately to the east. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private byte getAdjEastBlockData(int x, int y, int z)
{
if (z > 0)
{
return getData(x, y, z-1);
}
else
{
Chunk otherChunk = level.getChunk(this.x, this.z-1);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getData(x, y, 15);
}
}
}
/**
* Gets the Block ID of the block immediately to the west. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private short getAdjWestBlockId(int x, int y, int z, int blockOffset)
{
if (z < 15)
{
return blockData.value[blockOffset+BLOCKSPERROW];
}
else
{
Chunk otherChunk = level.getChunk(this.x, this.z+1);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getBlock(x, y, 0);
}
}
}
/**
* Gets the data value of the block immediately to the west. This might
* load in the adjacent chunk, if needed. Will return -1 if that adjacent
* chunk can't be found.
*/
private byte getAdjWestBlockData(int x, int y, int z)
{
if (z < 15)
{
return getData(x, y, z+1);
}
else
{
Chunk otherChunk = level.getChunk(this.x, this.z+1);
if (otherChunk == null)
{
return -1;
}
else
{
return otherChunk.getData(x, y, 0);
}
}
}
/**
* Render something which is a North/South face.
*/
public void renderNorthSouth(int t, float x, float y, float z) {
this.renderNorthSouth(t, x, y, z, 0.5f, 0.5f);
}
/**
* Render something which is a North/South face.
*
* @param t Texture to render
* @param x
* @param y
* @param z
* @param yHeightOffset How tall this block is. 0.5f is the usual, specify 0 for half-height
* @param xzScale How large the rest of the block is. 0.5f is full-size, 0.1 would be tiny.
*/
public void renderNorthSouth(int t, float x, float y, float z, float yHeightOffset, float xzScale) {
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t], precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x-xzScale, y+yHeightOffset, z+xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x-xzScale, y+yHeightOffset, z-xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t],precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x-xzScale, y-xzScale, z+xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x-xzScale, y-xzScale, z-xzScale);
GL11.glEnd();
}
/**
* Renders a floor tile which is also rotated
*
* @param t
* @param x
* @param y
* @param z
* @param turns The number of clockwise 90-degree turns to rotate the texture
*/
public void renderTopDownRotate(int t, float x, float y, float z, int turns)
{
float scale = 0.5f;
float tx = precalcSpriteSheetToTextureX[t];
float ty = precalcSpriteSheetToTextureY[t];
float x1, y1;
float x2, y2;
float x3, y3;
float x4, y4;
switch (turns)
{
case 0:
x1 = tx; y1 = ty;
x2 = tx+TEX16; y2 = ty;
x3 = tx; y3 = ty+TEX32;
x4 = tx+TEX16; y4 = ty+TEX32;
break;
case 1:
x1 = tx+TEX16; y1 = ty;
x2 = tx+TEX16; y2 = ty+TEX32;
x3 = tx; y3 = ty;
x4 = tx; y4 = ty+TEX32;
break;
case 2:
x1 = tx+TEX16; y1 = ty+TEX32;
x2 = tx; y2 = ty+TEX32;
x3 = tx+TEX16; y3 = ty;
x4 = tx; y4 = ty;
break;
case 3:
default:
x1 = tx; y1 = ty+TEX32;
x2 = tx; y2 = ty;
x3 = tx+TEX16; y3 = ty+TEX32;
x4 = tx+TEX16; y4 = ty;
break;
}
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(x1, y1);
GL11.glVertex3f(x-scale, y-scale, z+scale);
GL11.glTexCoord2f(x2, y2);
GL11.glVertex3f(x-scale, y-scale, z-scale);
GL11.glTexCoord2f(x3, y3);
GL11.glVertex3f(x+scale, y-scale, z+scale);
GL11.glTexCoord2f(x4, y4);
GL11.glVertex3f(x+scale, y-scale, z-scale);
GL11.glEnd();
}
/**
* Render the top or bottom of a block, depending on how we're looking at it.
*/
public void renderTopDown(int t, float x, float y, float z) {
this.renderTopDown(t, x, y, z, 0.5f);
}
/**
* Render the top or bottom of a block, depending on how we're looking at it.
*
* @param t The texture ID to draw
* @param x
* @param y
* @param z
* @param scale ".5" is a full-sized block, ".1" would be tiny.
*/
public void renderTopDown(int t, float x, float y, float z, float scale) {
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t], precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x-scale, y-scale, z+scale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x-scale, y-scale, z-scale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t], precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x+scale, y-scale, z+scale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x+scale, y-scale, z-scale);
GL11.glEnd();
}
/**
* Renders something which is a West/East face.
*/
public void renderWestEast(int t, float x, float y, float z) {
this.renderWestEast(t, x, y, z, 0.5f, 0.5f);
}
/**
* Renders something which is a West/East face.
*
* @param t Texture to draw
* @param x
* @param y
* @param z
* @param yHeightOffset How tall this block is. 0.5f is the usual, specify 0 for half-height
* @param xzScale How large the rest of the block is. 0.5f is full-size, 0.1 would be tiny.
*/
public void renderWestEast(int t, float x, float y, float z, float yHeightOffset, float xzScale) {
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t], precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x-xzScale, y+yHeightOffset, z-xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]);
GL11.glVertex3f(x+xzScale, y+yHeightOffset, z-xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t], precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x-xzScale, y-xzScale, z-xzScale);
GL11.glTexCoord2f(precalcSpriteSheetToTextureX[t]+TEX16, precalcSpriteSheetToTextureY[t]+TEX32);
GL11.glVertex3f(x+xzScale, y-xzScale, z-xzScale);
GL11.glEnd();
}
/**
* Renders a vertical texture with a full square texture.
*/
public void renderVertical(int t, float x1, float z1, float x2, float z2, float y, float height) {
renderVertical(t, x1, z1, x2, z2, y, height, 16, 16, 0, 0);
}
/**
* Renders a somewhat-arbitrary vertical rectangle. Pass in (x, z) pairs for the endpoints,
* and information about the height. The texture variables given are in terms of 1/16ths of
* the texture square, which means that for the default Minecraft 16x16 texture, they're in
* pixels.
*
* @param t Texture to draw
* @param x1
* @param z1
* @param x2
* @param z2
* @param y The lower part of the rectangle
* @param height Height of the rectangle.
*/
public void renderVertical(int t, float x1, float z1, float x2, float z2, float y, float height, int tex_width, int tex_height, int tex_start_x, int tex_start_y) {
float bx = precalcSpriteSheetToTextureX[t]+(TEX256*tex_start_x);
float by = precalcSpriteSheetToTextureY[t]+(TEX512*tex_start_y);
float tdx = TEX256*tex_width;
float tdy = TEX512*tex_height;
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x1, y+height, z1);
GL11.glTexCoord2f(bx+tdx, by);
GL11.glVertex3f(x2, y+height, z2);
GL11.glTexCoord2f(bx, by+tdy);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(bx+tdx, by+tdy);
GL11.glVertex3f(x2, y, z2);
GL11.glEnd();
}
/**
* Renders a nonstandard vertical rectangle (nonstandard referring primarily to
* the texture size (ie: when we're not pulling a single element out of a 16x16
* grid). This differs from renderVertical also in that we specify two full
* (x, y, z) coordinates for the bounds, instead of passing in y and a height.
* Texture coordinates are passed in as the usual float from 0 to 1.
*
* @param tx X index within the texture
* @param ty Y index within the texture
* @param tdx Width of texture
* @param tdy Height of texture
* @param x1
* @param y1
* @param z1
* @param x2
* @param y2
* @param z2
*/
public void renderNonstandardVertical(float tx, float ty, float tdx, float tdy, float x1, float y1, float z1, float x2, float y2, float z2)
{
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(tx, ty);
GL11.glVertex3f(x1, y1, z1);
GL11.glTexCoord2f(tx+tdx, ty);
GL11.glVertex3f(x2, y1, z2);
GL11.glTexCoord2f(tx, ty+tdy);
GL11.glVertex3f(x1, y2, z1);
GL11.glTexCoord2f(tx+tdx, ty+tdy);
GL11.glVertex3f(x2, y2, z2);
GL11.glEnd();
}
/**
* Renders a nonstandard vertical rectangle (nonstandard referring primarily to
* the texture size (ie: when we're not pulling a single element out of a 16x16
* grid). This differs from renderVertical also in that we specify two full
* (x, y, z) coordinates for the bounds, instead of passing in y and a height.
* Texture coordinates are passed in as the usual float from 0 to 1.
*
* Additionally, this method will rotate the texture while drawing; I needed this
* for Pistons, specifically - will probably come in handy elsewhere too.
*
* @param tx X index within the texture
* @param ty Y index within the texture
* @param tdx Width of texture
* @param tdy Height of texture
* @param x1
* @param y1
* @param z1
* @param x2
* @param y2
* @param z2
*/
public void renderNonstandardVerticalTexRotate(float tx, float ty, float tdx, float tdy, float x1, float y1, float z1, float x2, float y2, float z2)
{
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(tx+tdx, ty);
GL11.glVertex3f(x1, y1, z1);
GL11.glTexCoord2f(tx+tdx, ty+tdy);
GL11.glVertex3f(x2, y1, z2);
GL11.glTexCoord2f(tx, ty);
GL11.glVertex3f(x1, y2, z1);
GL11.glTexCoord2f(tx, ty+tdy);
GL11.glVertex3f(x2, y2, z2);
GL11.glEnd();
}
/**
* Renders a "default" horizontal rectangle, using a full square for the texture.
*/
public void renderHorizontal(int t, float x1, float z1, float x2, float z2, float y) {
renderHorizontal(t, x1, z1, x2, z2, y, 16, 16, 0, 0, false);
}
/**
* Renders an arbitrary horizontal rectangle (will be orthogonal). The texture parameters
* are specified in terms of 1/16ths of the texture (which equates to one pixel, when using
* the default 16x16 Minecraft texture.
*
* @param t
* @param x1
* @param z1
* @param x2
* @param z2
* @param y
*/
public void renderHorizontal(int t, float x1, float z1, float x2, float z2, float y, int tex_width, int tex_height, int tex_start_x, int tex_start_y, boolean flip_tex) {
float bx = precalcSpriteSheetToTextureX[t]+(TEX256*tex_start_x);
float by = precalcSpriteSheetToTextureY[t]+(TEX512*tex_start_y);
float tdx = TEX256*tex_width;
float tdy = TEX512*tex_height;
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
if (flip_tex)
{
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x1, y, z2);
GL11.glTexCoord2f(bx+tdx, by);
GL11.glVertex3f(x2, y, z2);
GL11.glTexCoord2f(bx, by+tdy);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(bx+tdx, by+tdy);
GL11.glVertex3f(x2, y, z1);
}
else
{
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(bx+tdx, by);
GL11.glVertex3f(x1, y, z2);
GL11.glTexCoord2f(bx, by+tdy);
GL11.glVertex3f(x2, y, z1);
GL11.glTexCoord2f(bx+tdx, by+tdy);
GL11.glVertex3f(x2, y, z2);
}
GL11.glEnd();
}
/**
* Render a surface on a horizontal plane; pass in all four verticies. This can result,
* obviously, in non-rectangular and non-orthogonal shapes.
*
* @param t
* @param x1
* @param z1
* @param x2
* @param z2
* @param x3
* @param z3
* @param x4
* @param z4
* @param y
*/
public void renderHorizontalAskew(int t, float x1, float z1, float x2, float z2, float x3, float z3, float x4, float z4, float y) {
float bx = precalcSpriteSheetToTextureX[t];
float by = precalcSpriteSheetToTextureY[t];
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x2, y, z2);
GL11.glTexCoord2f(bx, by+TEX32);
GL11.glVertex3f(x3, y, z3);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x4, y, z4);
GL11.glEnd();
}
/**
* Renders a nonstandard horizontal rectangle (nonstandard referring primarily to
* the texture size (ie: when we're not pulling a single element out of a 16x16
* grid).
*
* @param tx X index within the texture
* @param ty Y index within the texture
* @param tdx Width of texture
* @param tdy Height of texture
* @param x1
* @param z1
* @param x2
* @param z2
* @param y
*/
public void renderNonstandardHorizontal(float tx, float ty, float tdx, float tdy, float x1, float z1, float x2, float z2, float y) {
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(tx, ty);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(tx+tdx, ty);
GL11.glVertex3f(x1, y, z2);
GL11.glTexCoord2f(tx, ty+tdy);
GL11.glVertex3f(x2, y, z1);
GL11.glTexCoord2f(tx+tdx, ty+tdy);
GL11.glVertex3f(x2, y, z2);
GL11.glEnd();
}
/**
* Renders a nonstandard horizontal rectangle (nonstandard referring primarily to
* the texture size (ie: when we're not pulling a single element out of a 16x16
* grid).
*
* Additionally, this method will rotate the texture while drawing; I needed this
* for Pistons, specifically - will probably come in handy elsewhere too.
*
* @param tx X index within the texture
* @param ty Y index within the texture
* @param tdx Width of texture
* @param tdy Height of texture
* @param x1
* @param z1
* @param x2
* @param z2
* @param y
*/
public void renderNonstandardHorizontalTexRotate(float tx, float ty, float tdx, float tdy, float x1, float z1, float x2, float z2, float y) {
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(tx+tdx, ty);
GL11.glVertex3f(x1, y, z1);
GL11.glTexCoord2f(tx+tdx, ty+tdy);
GL11.glVertex3f(x1, y, z2);
GL11.glTexCoord2f(tx, ty);
GL11.glVertex3f(x2, y, z1);
GL11.glTexCoord2f(tx, ty+tdy);
GL11.glVertex3f(x2, y, z2);
GL11.glEnd();
}
/**
* Given a whole mess of coordinates, draws an arbitrary rectangle
*
* @param t
* @param x1
* @param y1
* @param z1
* @param x2
* @param y2
* @param z2
* @param x3
* @param y3
* @param z3
* @param x4
* @param y4
* @param z4
*/
public void renderArbitraryRect(int t,
float x1, float y1, float z1,
float x2, float y2, float z2,
float x3, float y3, float z3,
float x4, float y4, float z4)
{
float tx = precalcSpriteSheetToTextureX[t];
float ty = precalcSpriteSheetToTextureY[t];
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(tx, ty);
GL11.glVertex3f(x1, y1, z1);
GL11.glTexCoord2f(tx+TEX16, ty);
GL11.glVertex3f(x2, y2, z2);
GL11.glTexCoord2f(tx, ty+TEX32);
GL11.glVertex3f(x3, y3, z3);
GL11.glTexCoord2f(tx+TEX16, ty+TEX32);
GL11.glVertex3f(x4, y4, z4);
GL11.glEnd();
}
/**
* Renders the side of a stair piece that runs East/West. Verticies are in the following order:
* <pre>
* 6---5
* | |
* 2---4 |
* | |
* 1-------3
* </pre>
*
* Note that the function is "WestEast" which corresponds to the stair direction;
* this will actually draw the face on the north or south sides.
*
* @param t
* @param x
* @param y
* @param z
*/
public void renderStairSideWestEast(int t, float x, float y, float z, boolean swapZ) {
float bx = precalcSpriteSheetToTextureX[t];
float by = precalcSpriteSheetToTextureY[t];
float zoff=0.5f;
if (swapZ)
{
zoff = -0.5f;
}
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX32);
GL11.glVertex3f(x-0.5f, y-0.5f, z+zoff);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x-0.5f, y, z+zoff);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x-0.5f, y-0.5f, z-zoff);
GL11.glTexCoord2f(bx+TEX32, by+TEX64);
GL11.glVertex3f(x-0.5f, y, z);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x-0.5f, y+0.5f, z-zoff);
GL11.glTexCoord2f(bx+TEX32, by);
GL11.glVertex3f(x-0.5f, y+0.5f, z);
GL11.glEnd();
}
/**
* Renders the stair surface, for a stair running West/East
*
* @param t Texture to draw
* @param x
* @param y
* @param z
* @param swapX
*/
public void renderStairSurfaceWestEast(int t, float x, float y, float z, boolean swapZ) {
float bx = precalcSpriteSheetToTextureX[t];
float by = precalcSpriteSheetToTextureY[t];
float zoff = 0.5f;
if (swapZ)
{
zoff = -0.5f;
}
// Lower Step surface
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x+0.5f, y, z+zoff);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x-0.5f, y, z+zoff);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x+0.5f, y, z);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x-0.5f, y, z);
GL11.glEnd();
// Lower Step Side
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x+0.5f, y, z+zoff);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x-0.5f, y, z+zoff);
GL11.glTexCoord2f(bx,by+TEX32);
GL11.glVertex3f(x+0.5f, y-0.5f, z+zoff);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x-0.5f, y-0.5f, z+zoff);
GL11.glEnd();
// Higher Step surface
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x+0.5f, y+0.5f, z);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x-0.5f, y+0.5f, z);
GL11.glTexCoord2f(bx, by+TEX32);
GL11.glVertex3f(x+0.5f, y+0.5f, z-zoff);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x-0.5f, y+0.5f, z-zoff);
GL11.glEnd();
// Higher Step Side
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x+0.5f, y+0.5f, z);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x-0.5f, y+0.5f, z);
GL11.glTexCoord2f(bx,by+TEX64);
GL11.glVertex3f(x+0.5f, y, z);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x-0.5f, y, z);
GL11.glEnd();
}
/**
* Renders the side of a stair piece that runs North/South. Verticies are in the following order:
* <pre>
* 6---5
* | |
* 2---4 |
* | |
* 1-------3
* </pre>
*
* Note that the function is "NorthSouth" which corresponds to the stair direction;
* this will actually draw the face on the east or west sides.
*
* @param t
* @param x
* @param y
* @param z
*/
public void renderStairSideNorthSouth(int t, float x, float y, float z, boolean swapX) {
float bx = precalcSpriteSheetToTextureX[t];
float by = precalcSpriteSheetToTextureY[t];
float xoff=0.5f;
if (swapX)
{
xoff = -0.5f;
}
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX32);
GL11.glVertex3f(x+xoff, y-0.5f, z-0.5f);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x+xoff, y, z-0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x-xoff, y-0.5f, z-0.5f);
GL11.glTexCoord2f(bx+TEX32, by+TEX64);
GL11.glVertex3f(x, y, z-0.5f);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x-xoff, y+0.5f, z-0.5f);
GL11.glTexCoord2f(bx+TEX32, by);
GL11.glVertex3f(x, y+0.5f, z-0.5f);
GL11.glEnd();
}
/**
* Renders the stair surface, for a stair running North/South
*
* @param t Texture to draw
* @param x
* @param y
* @param z
* @param swapX
*/
public void renderStairSurfaceNorthSouth(int t, float x, float y, float z, boolean swapX) {
float bx = precalcSpriteSheetToTextureX[t];
float by = precalcSpriteSheetToTextureY[t];
float xoff = 0.5f;
if (swapX)
{
xoff = -0.5f;
}
// Lower Step surface
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x+xoff, y, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x+xoff, y, z-0.5f);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x, y, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x, y, z-0.5f);
GL11.glEnd();
// Lower Step Side
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x+xoff, y, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x+xoff, y, z-0.5f);
GL11.glTexCoord2f(bx,by+TEX32);
GL11.glVertex3f(x+xoff, y-0.5f, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x+xoff, y-0.5f, z-0.5f);
GL11.glEnd();
// Higher Step surface
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by+TEX64);
GL11.glVertex3f(x, y+0.5f, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x, y+0.5f, z-0.5f);
GL11.glTexCoord2f(bx, by+TEX32);
GL11.glVertex3f(x-xoff, y+0.5f, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX32);
GL11.glVertex3f(x-xoff, y+0.5f, z-0.5f);
GL11.glEnd();
// Higher Step Side
GL11.glBegin(GL11.GL_TRIANGLE_STRIP);
GL11.glTexCoord2f(bx, by);
GL11.glVertex3f(x, y+0.5f, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by);
GL11.glVertex3f(x, y+0.5f, z-0.5f);
GL11.glTexCoord2f(bx,by+TEX64);
GL11.glVertex3f(x, y, z+0.5f);
GL11.glTexCoord2f(bx+TEX16, by+TEX64);
GL11.glVertex3f(x, y, z-0.5f);
GL11.glEnd();
}
/**
* Gets the block ID at the specified coordinate in the chunk. This is
* only really used in the getAdj*BlockId() methods.
*/
public short getBlock(int x, int y, int z) {
return blockData.value[y + (z * 128) + (x * 128 * 16)];
}
/**
* Gets the block data at the specified coordinates.
*/
public byte getData(int x, int y, int z) {
int offset = y + (z * 128) + (x * 128 * 16);
int halfOffset = offset / 2;
if(offset % 2 == 0) {
return (byte) (mapData.value[halfOffset] & 0xF);
} else {
// We shouldn't have to &0xF here, but if we don't the value
// returned could be negative, even though that would be silly.
return (byte) ((mapData.value[halfOffset] >> 4) & 0xF);
}
}
/**
* Renders a torch, making an attempt to render properly given the wall face it's
* attached to, etc. We take in textureId because we support redstone torches as
* well.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderTorch(int textureId, int xxx, int yyy, int zzz) {
byte data = getData(xxx, yyy, zzz);
data &= 0xF;
switch (data) {
case 1:
renderRectDecoration(textureId, xxx, yyy, zzz, -30, 0f, 1f, -.6f, 0f);
return;
case 2:
renderRectDecoration(textureId, xxx, yyy, zzz, 30, 0f, 1f, .6f, 0f);
return;
case 3:
renderRectDecoration(textureId, xxx, yyy, zzz, 30, 1f, 0f, 0f, -.6f);
return;
case 4:
renderRectDecoration(textureId, xxx, yyy, zzz, -30, 1f, 0f, 0f, .6f);
return;
default:
renderRectDecoration(textureId, xxx, yyy, zzz);
return;
}
}
/**
* Renders a lever; copied and modified from renderTorch for the most part.
* TODO: Looks no better than the torches; should put the cobble base on at the least.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderLever(int textureId, int xxx, int yyy, int zzz)
{
byte data = getData(xxx, yyy, zzz);
boolean thrown = false;
if ((data & 0x8) == 0x8)
{
thrown = true;
}
data &= 7;
//System.out.println("Data: " + data);
// First draw the cobblestoney box
int cobble_tex = BLOCK_COBBLESTONE.tex_idx;
float box_height = .15f;
float box_length = .2f;
float box_width = .15f;
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
switch (data) {
case 1:
renderVertical(cobble_tex, x-.5f, z+box_width, x-.5f+box_height, z+box_width, y-box_length, box_length*2f);
renderVertical(cobble_tex, x-.5f, z-box_width, x-.5f+box_height, z-box_width, y-box_length, box_length*2f);
renderVertical(cobble_tex, x-.5f+box_height, z+box_width, x-.5f+box_height, z-box_width, y-box_length, box_length*2f);
renderHorizontal(cobble_tex, x-.5f, z-box_width, x-.5f+box_height, z+box_width, y-box_length);
renderHorizontal(cobble_tex, x-.5f, z-box_width, x-.5f+box_height, z+box_width, y+box_length);
break;
case 2:
renderVertical(cobble_tex, x+.5f, z+box_width, x+.5f-box_height, z+box_width, y-box_length, box_length*2f);
renderVertical(cobble_tex, x+.5f, z-box_width, x+.5f-box_height, z-box_width, y-box_length, box_length*2f);
renderVertical(cobble_tex, x+.5f-box_height, z+box_width, x+.5f-box_height, z-box_width, y-box_length, box_length*2f);
renderHorizontal(cobble_tex, x+.5f, z-box_width, x+.5f-box_height, z+box_width, y-box_length);
renderHorizontal(cobble_tex, x+.5f, z-box_width, x+.5f-box_height, z+box_width, y+box_length);
break;
case 3:
renderVertical(cobble_tex, x-box_width, z-.5f, x-box_width, z-.5f+box_height, y-box_length, box_length*2f);
renderVertical(cobble_tex, x+box_width, z-.5f, x+box_width, z-.5f+box_height, y-box_length, box_length*2f);
renderVertical(cobble_tex, x-box_width, z-.5f+box_height, x+box_width, z-.5f+box_height, y-box_length, box_length*2f);
renderHorizontal(cobble_tex, x-box_width, z-.5f, x+box_width, z-.5f+box_height, y-box_length);
renderHorizontal(cobble_tex, x-box_width, z-.5f, x+box_width, z-.5f+box_height, y+box_length);
break;
case 4:
renderVertical(cobble_tex, x-box_width, z+.5f, x-box_width, z+.5f-box_height, y-box_length, box_length*2f);
renderVertical(cobble_tex, x+box_width, z+.5f, x+box_width, z+.5f-box_height, y-box_length, box_length*2f);
renderVertical(cobble_tex, x-box_width, z+.5f-box_height, x+box_width, z+.5f-box_height, y-box_length, box_length*2f);
renderHorizontal(cobble_tex, x-box_width, z+.5f, x+box_width, z+.5f-box_height, y-box_length);
renderHorizontal(cobble_tex, x-box_width, z+.5f, x+box_width, z+.5f-box_height, y+box_length);
break;
case 5:
renderVertical(cobble_tex, x-box_width, z+box_length, x-box_width, z-box_length, y-.5f, box_height);
renderVertical(cobble_tex, x+box_width, z+box_length, x+box_width, z-box_length, y-.5f, box_height);
renderVertical(cobble_tex, x-box_width, z+box_length, x+box_width, z+box_length, y-.5f, box_height);
renderVertical(cobble_tex, x+box_width, z-box_length, x-box_width, z-box_length, y-.5f, box_height);
renderHorizontal(cobble_tex, x-box_width, z-box_length, x+box_width, z+box_length, y-.5f+box_height);
break;
case 6:
default:
renderVertical(cobble_tex, x-box_length, z+box_width, x-box_length, z-box_width, y-.5f, box_height);
renderVertical(cobble_tex, x+box_length, z+box_width, x+box_length, z-box_width, y-.5f, box_height);
renderVertical(cobble_tex, x-box_length, z+box_width, x+box_length, z+box_width, y-.5f, box_height);
renderVertical(cobble_tex, x+box_length, z-box_width, x-box_length, z-box_width, y-.5f, box_height);
renderHorizontal(cobble_tex, x-box_length, z-box_width, x+box_length, z+box_width, y-.5f+box_height);
break;
}
// Now draw the lever itself
if (thrown)
{
switch (data) {
case 1:
renderRectDecoration(textureId, xxx, yyy+1, zzz, -135, 0f, 1f, .6f, 0f);
break;
case 2:
renderRectDecoration(textureId, xxx, yyy+1, zzz, 135, 0f, 1f, -.6f, 0f);
break;
case 3:
renderRectDecoration(textureId, xxx, yyy+1, zzz, 135, 1f, 0f, 0f, .6f);
break;
case 4:
renderRectDecoration(textureId, xxx, yyy+1, zzz, -135, 1f, 0f, 0f, -.6f);
break;
case 5:
renderRectDecoration(textureId, xxx, yyy, zzz, -45, 1f, 0f, 0f, 0f);
break;
case 6:
renderRectDecoration(textureId, xxx, yyy, zzz, 45, 0f, 1f, 0f, 0f);
break;
}
}
else
{
switch (data) {
case 1:
renderRectDecoration(textureId, xxx, yyy, zzz, -45, 0f, 1f, -.6f, 0f);
break;
case 2:
renderRectDecoration(textureId, xxx, yyy, zzz, 45, 0f, 1f, .6f, 0f);
break;
case 3:
renderRectDecoration(textureId, xxx, yyy, zzz, 45, 1f, 0f, 0f, -.6f);
break;
case 4:
renderRectDecoration(textureId, xxx, yyy, zzz, -45, 1f, 0f, 0f, .6f);
break;
case 5:
renderRectDecoration(textureId, xxx, yyy, zzz, 45, 1f, 0f, 0f, 0f);
break;
case 6:
renderRectDecoration(textureId, xxx, yyy, zzz, -45, 0f, 1f, 0f, 0f);
break;
}
}
}
/**
* Renders a decoration which is supposed to be a "cross" in a single block. There's
* some code duplication from renderRectDecoration in here, but not too much, hopefully.
* This will require an entry in XRay.decorationStats for the given textureId.
*/
public void renderCrossDecoration(int textureId, int xxx, int yyy, int zzz)
{
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy - 0.5f;
// We do the "% 256" here because our texture ID might be in the "highlighted"
// range, for Explored highlighting.
TextureDecorationStats stats = XRay.decorationStats.get(textureId % 256);
if (stats == null)
{
return;
}
float tex_begin_x = precalcSpriteSheetToTextureX[textureId] + stats.getTexLeft();
float tex_begin_y = precalcSpriteSheetToTextureY[textureId] + stats.getTexTop();
float tex_width = stats.getTexWidth();
float tex_height = stats.getTexHeight();
float width = stats.getWidth();
float width_h = width/2f;
float height = stats.getHeight();
float top_tex_height;
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x-width_h, y+height, z-width_h,
x+width_h, y, z+width_h);
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x+width_h, y+height, z-width_h,
x-width_h, y, z+width_h);
}
/**
* Renders an rectangular decoration which is just standing straight up. This will require
* an entry in XRay.decorationStats for the given textureId.
*
* Currently only used for torches and levers, actually.
*/
public void renderRectDecoration(int textureId, int xxx, int yyy, int zzz)
{
renderRectDecoration(textureId, xxx, yyy, zzz, 0, 0f, 0f, 0f, 0f);
}
/**
* Renders a rectangular decoration. This will require an entry in XRay.decorationStats for
* the given textureId. Optionally pass in some parameters for rotation, currently used
* for torches and levers.
*
* @param textureId Texture to draw
* @param xxx Chunk X
* @param yyy Chunk Y
* @param zzz Chunk Z
* @param rotate_degrees Degrees to rotate, use zero for no rotation
* @param rotate_x Use 1.0f to rotate in the X direction (passed to glRotatef)
* @param rotate_z Use 1.0f to rotate in the X direction (passed to glRotatef)
* @param x_off X offset, so it's not just in the center
* @param z_off Z offset, so it's not just in the center
*/
public void renderRectDecoration(int textureId, int xxx, int yyy, int zzz,
int rotate_degrees, float rotate_x, float rotate_z, float x_off, float z_off)
{
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy - 0.5f;
boolean do_rotate = false;
float tx=0, ty=0, tz=0;
if (rotate_degrees != 0)
{
tx = x;
ty = y;
tz = z;
x = x_off;
y = 0;
z = z_off;
do_rotate = true;
}
float my_x = xxx + this.x*16;
float my_z = zzz + this.z*16;
float my_y = yyy - 0.5f;
// We do the "% 256" here because our texture ID might be in the "highlighted"
// range, for Explored highlighting.
TextureDecorationStats stats = XRay.decorationStats.get(textureId % 256);
if (stats == null)
{
return;
}
float tex_begin_x = precalcSpriteSheetToTextureX[textureId] + stats.getTexLeft();
float tex_begin_y = precalcSpriteSheetToTextureY[textureId] + stats.getTexTop();
float tex_width = stats.getTexWidth();
float tex_height = stats.getTexHeight();
float width = stats.getWidth();
float width_h = width/2f;
float height = stats.getHeight();
float top_tex_height;
if (height > width)
{
top_tex_height = tex_width/2f;
}
else
{
top_tex_height = tex_height;
}
// Math is for suckers; let's let the video hardware take care of rotation
// Relatedly, is this how I should be drawing *everything?* Draw relative
// to the origin for the actual verticies, and then translate?
if (do_rotate)
{
GL11.glPushMatrix();
GL11.glTranslatef(tx, ty, tz);
GL11.glRotatef((float)rotate_degrees, rotate_x, 0f, rotate_z);
}
// First draw the borders
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x-width_h, y+height, z-width_h,
x+width_h, y, z-width_h);
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x-width_h, y+height, z+width_h,
x+width_h, y, z+width_h);
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x+width_h, y+height, z-width_h,
x+width_h, y, z+width_h);
renderNonstandardVertical(tex_begin_x, tex_begin_y, tex_width, tex_height,
x-width_h, y+height, z+width_h,
x-width_h, y, z-width_h);
// Now the top
renderNonstandardHorizontal(tex_begin_x, tex_begin_y, tex_width, top_tex_height,
x-width_h, z-width_h,
x+width_h, z+width_h,
y+height);
if (do_rotate)
{
GL11.glPopMatrix();
}
}
/**
* Renders a "grid" decoration (in the manner of crops and netherwart)
*
* @param textureId Texture
* @param xxx
* @param yyy
* @param zzz
*/
public void renderGridDecoration(int textureId, int xxx, int yyy, int zzz)
{
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
// We do the "% 256" here because our texture ID might be in the "highlighted"
// range, for Explored highlighting.
TextureDecorationStats stats = XRay.decorationStats.get(textureId % 256);
if (stats == null)
{
return;
}
float tex_x = precalcSpriteSheetToTextureX[textureId] + stats.getTexLeft();
float tex_y = precalcSpriteSheetToTextureY[textureId] + stats.getTexTop();
float tex_dx = stats.getTexWidth();
float tex_dy = stats.getTexHeight();
float width_h = stats.getWidth()/2;
float side_offset = .25f;
float bottom = y -.5f;
float top = bottom + stats.getHeight();
// now each side
renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
x-width_h, top, z+side_offset,
x+width_h, bottom, z+side_offset);
renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
x-width_h, top, z-side_offset,
x+width_h, bottom, z-side_offset);
renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
x+side_offset, top, z-width_h,
x+side_offset, bottom, z+width_h);
renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
x-side_offset, top, z-width_h,
x-side_offset, bottom, z+width_h);
}
/**
* Renders crops.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderCrops(int textureId, int xxx, int yyy, int zzz) {
// Adjust for crop size
byte data = getData(xxx, yyy, zzz);
if (data > 7)
{
data = 7;
}
textureId -= (7-data);
renderGridDecoration(textureId, xxx, yyy, zzz);
}
/**
* Renders netherwart.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderNetherwart(int textureId, int xxx, int yyy, int zzz) {
// Adjust for size
byte data = getData(xxx, yyy, zzz);
//System.out.println("Netherwart data: " + data);
if (data > 3)
{
data = 3;
}
textureId -= 2-((data+1)/2);
renderGridDecoration(textureId, xxx, yyy, zzz);
}
/**
* Renders a ladder, given its attached-side data. We still take in textureId just so
* that everything's still defined in MinecraftConstants
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderLadder(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
switch(data)
{
case 2:
// East
this.renderWestEast(textureId, x, y, z+1.0f-TEX64);
break;
case 3:
// West
this.renderWestEast(textureId, x, y, z+TEX64);
break;
case 4:
// North
this.renderNorthSouth(textureId, x+1.0f-TEX64, y, z);
break;
case 5:
default:
// South
this.renderNorthSouth(textureId, x+TEX64, y, z);
break;
}
}
/**
* Renders a vine, given its attached-side data. Pretty much identical
* to renderLadder, except that there's different data values. Alas!
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderVine(int textureId, int xxx, int yyy, int zzz, int blockOffset) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
boolean rendered = false;
if ((data & 1) == 1)
{
// West
this.renderWestEast(textureId, x, y, z+1.0f-TEX64);
rendered = true;
}
if ((data & 2) == 2)
{
// North
this.renderNorthSouth(textureId, x+TEX64, y, z);
rendered = true;
}
if ((data & 4) == 4)
{
// East
this.renderWestEast(textureId, x, y, z+TEX64);
rendered = true;
}
if ((data & 8) == 8)
{
// South
this.renderNorthSouth(textureId, x+1.0f-TEX64, y, z);
rendered = true;
}
if (data == 0 || (rendered && yyy < 127 && isSolid(blockData.value[blockOffset+1])))
{
// Top
this.renderHorizontal(textureId, x-.5f, z-.5f, x+.5f, z+.5f, y+.45f);
}
}
/**
* This is actually used for rendering "decoration" type things which are on
* the floor (eg: minecart tracks, redstone wires, etc)
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderFloor(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
this.renderTopDown(textureId, x, y+TEX64, z);
}
/**
* Minecart tracks
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderMinecartTracks(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
if (data > 0x5)
{
textureId -= 16;
}
switch (data)
{
case 0x0:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 1);
break;
case 0x1:
this.renderTopDown(textureId, x, y+TEX64, z);
break;
case 0x2:
this.renderArbitraryRect(textureId,
x-0.5f, y-0.5f, z+0.5f,
x-0.5f, y-0.5f, z-0.5f,
x+0.5f, y+0.5f, z+0.5f,
x+0.5f, y+0.5f, z-0.5f
);
break;
case 0x3:
this.renderArbitraryRect(textureId,
x-0.5f, y+0.5f, z+0.5f,
x-0.5f, y+0.5f, z-0.5f,
x+0.5f, y-0.5f, z+0.5f,
x+0.5f, y-0.5f, z-0.5f
);
break;
case 0x4:
this.renderArbitraryRect(textureId,
x-0.5f, y+0.5f, z-0.5f,
x+0.5f, y+0.5f, z-0.5f,
x-0.5f, y-0.5f, z+0.5f,
x+0.5f, y-0.5f, z+0.5f
);
break;
case 0x5:
this.renderArbitraryRect(textureId,
x-0.5f, y-0.5f, z-0.5f,
x+0.5f, y-0.5f, z-0.5f,
x-0.5f, y+0.5f, z+0.5f,
x+0.5f, y+0.5f, z+0.5f
);
break;
case 0x6:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 3);
break;
case 0x7:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 2);
break;
case 0x8:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 1);
break;
case 0x9:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 0);
break;
default:
// Just do the usual for now
this.renderTopDown(textureId, x, y+TEX64, z);
break;
}
}
/**
* "Simple" rails, which don't have corners. This actually isn't as
* simple as it should be, since we have a special-case for powered rails.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderSimpleRail(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
byte powered = data;
powered >>= 3;
if (powered > 0)
{
// This is just for powered rails, to light them up properly
textureId += 16;
}
data &= 7;
switch (data)
{
case 0x0:
this.renderTopDownRotate(textureId, x, y+TEX64, z, 1);
break;
case 0x1:
this.renderTopDown(textureId, x, y+TEX64, z);
break;
case 0x2:
this.renderArbitraryRect(textureId,
x-0.5f, y-0.5f, z+0.5f,
x-0.5f, y-0.5f, z-0.5f,
x+0.5f, y+0.5f, z+0.5f,
x+0.5f, y+0.5f, z-0.5f
);
break;
case 0x3:
this.renderArbitraryRect(textureId,
x-0.5f, y+0.5f, z+0.5f,
x-0.5f, y+0.5f, z-0.5f,
x+0.5f, y-0.5f, z+0.5f,
x+0.5f, y-0.5f, z-0.5f
);
break;
case 0x4:
this.renderArbitraryRect(textureId,
x-0.5f, y+0.5f, z-0.5f,
x+0.5f, y+0.5f, z-0.5f,
x-0.5f, y-0.5f, z+0.5f,
x+0.5f, y-0.5f, z+0.5f
);
break;
case 0x5:
this.renderArbitraryRect(textureId,
x-0.5f, y-0.5f, z-0.5f,
x+0.5f, y-0.5f, z-0.5f,
x-0.5f, y+0.5f, z+0.5f,
x+0.5f, y+0.5f, z+0.5f
);
break;
default:
// Just do the usual for now
this.renderTopDown(textureId, x, y+TEX64, z);
break;
}
}
/**
* Renders a pressure plate.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderPlate(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float radius = 0.4f;
// The plate itself
this.renderHorizontal(textureId, x+radius, z+radius, x-radius, z-radius, y-0.45f);
// Sides
this.renderVertical(textureId, x+radius, z+radius, x+radius, z-radius, y-0.5f, 0.05f);
this.renderVertical(textureId, x-radius, z+radius, x-radius, z-radius, y-0.5f, 0.05f);
this.renderVertical(textureId, x+radius, z+radius, x-radius, z+radius, y-0.5f, 0.05f);
this.renderVertical(textureId, x+radius, z-radius, x-radius, z-radius, y-0.5f, 0.05f);
}
/**
* Renders a thin slice of something on the ground (used for snow currently). Practically
* the same as renderPlate actually, just wider and a bit taller
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderThinslice(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float radius = 0.48f;
// The top face
this.renderHorizontal(textureId, x+radius, z+radius, x-radius, z-radius, y-0.38f);
// Sides
this.renderVertical(textureId, x+radius, z+radius, x+radius, z-radius, y-0.48f, 0.1f);
this.renderVertical(textureId, x-radius, z+radius, x-radius, z-radius, y-0.48f, 0.1f);
this.renderVertical(textureId, x+radius, z+radius, x-radius, z+radius, y-0.48f, 0.1f);
this.renderVertical(textureId, x+radius, z-radius, x-radius, z-radius, y-0.48f, 0.1f);
}
/**
* Renders a bed block.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderBed(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float side_part = 0.49f;
float side_full = 0.5f;
float bed_height = 0.5625f;
float horiz_off = bed_height-0.5f;
float bed_tex_height = TEX256/2f*9f;
boolean head = true;
byte data = getData(xxx, yyy, zzz);
data &= 0xF;
if ((data & 0x8) == 0)
{
textureId -= 1;
head = false;
}
data &= 0x3;
float side_tex_x = precalcSpriteSheetToTextureX[textureId+16];
float side_tex_y = precalcSpriteSheetToTextureY[textureId+32]-bed_tex_height;
// Use GL to rotate these properly
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
// We're drawing the bed with the head facing East (direction 2)
if (data == 0)
{
// Pointing West
GL11.glRotatef(180f, 0f, 1f, 0f);
}
else if (data == 1)
{
// Pointing North
GL11.glRotatef(90f, 0f, 1f, 0f);
}
else if (data == 3)
{
// Pointing South
GL11.glRotatef(-90f, 0f, 1f, 0f);
}
float end_tex_x, end_tex_y;
float first_z, second_z, end_z;
if (head)
{
end_tex_x = precalcSpriteSheetToTextureX[textureId+17];
end_tex_y = precalcSpriteSheetToTextureY[textureId+33]-bed_tex_height;
first_z = side_full;
second_z = -side_part;
end_z = -side_part;
}
else
{
end_tex_x = precalcSpriteSheetToTextureX[textureId+15];
end_tex_y = precalcSpriteSheetToTextureY[textureId+31]-bed_tex_height;
first_z = side_part;
second_z = -side_full;
end_z = side_part;
}
// Top face
this.renderHorizontal(textureId, side_part, first_z, -side_part, second_z, horiz_off);
// Side faces
this.renderNonstandardVertical(side_tex_x, side_tex_y, TEX16, bed_tex_height, side_part, bed_height-side_full, first_z, side_part, -side_full, second_z);
this.renderNonstandardVertical(side_tex_x, side_tex_y, TEX16, bed_tex_height, -side_part, bed_height-side_full, first_z, -side_part, -side_full, second_z);
// end face (either the very foot or the very head of the bed)
this.renderNonstandardVertical(end_tex_x, end_tex_y, TEX16, bed_tex_height, side_part, bed_height-side_full, end_z, -side_part, -side_full, end_z);
// Pop the matrix
GL11.glPopMatrix();
}
/**
* Renders a door
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderDoor(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
if ((data & 0x8) == 0x8)
{
textureId -= 16;
}
boolean swung = false;
if ((data & 0x4) == 0x4)
{
swung = true;
}
int dir = (data & 0x3);
// TODO: need to fix texture orientation
if ((dir == 3 && swung) || (dir == 0 && !swung))
{
// North
this.renderNorthSouth(textureId, x, y, z);
}
else if ((dir == 0 && swung) || (dir == 1 && !swung))
{
// East
this.renderWestEast(textureId, x, y, z);
}
else if ((dir == 1 && swung) || (dir == 2 && !swung))
{
// South
this.renderNorthSouth(textureId, x+1, y, z);
}
else
{
// West
this.renderWestEast(textureId, x, y, z+1);
}
}
/**
* Renders a trapdoor
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderTrapdoor(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float twidth = .1f;
//float twidth_h = twidth/2f;
float toff = .02f;
byte data = getData(xxx, yyy, zzz);
boolean swung = false;
if ((data & 0x4) == 0x4)
{
swung = true;
}
int dir = (data & 0x3);
float tex_x = precalcSpriteSheetToTextureX[textureId];
float tex_y = precalcSpriteSheetToTextureY[textureId];
float tex_dx = TEX16;
float tex_dy = TEX32 * twidth;
// Use GL to rotate these properly
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
if (swung)
{
if (dir == 0)
{
// West
GL11.glRotatef(-90f, 1f, 0f, 0f);
}
else if (dir == 1)
{
// East
GL11.glRotatef(90f, 1f, 0f, 0f);
}
else if (dir == 2)
{
// South
GL11.glRotatef(90f, 0f, 0f, 1f);
}
else
{
// North
GL11.glRotatef(-90f, 0f, 0f, 1f);
}
}
// First the faces
//this.renderHorizontal(textureId, .5f-toff, .5f-toff, -.5f+toff, -.5f+toff, -.5f+toff);
this.renderHorizontal(textureId, .5f-toff, .5f-toff, -.5f+toff, -.5f+toff, -.5f+toff+twidth);
// Now the sides
this.renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
.5f-toff, -.5f+toff, .5f-toff,
-.5f+toff, -.5f+toff+twidth, .5f-toff);
this.renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
.5f-toff, -.5f+toff, .5f-toff,
.5f-toff, -.5f+toff+twidth, -.5f+toff);
this.renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
-.5f+toff, -.5f+toff, -.5f+toff,
-.5f+toff, -.5f+toff+twidth, .5f-toff);
this.renderNonstandardVertical(tex_x, tex_y, tex_dx, tex_dy,
-.5f+toff, -.5f+toff, -.5f+toff,
.5f-toff, -.5f+toff+twidth, -.5f+toff);
GL11.glPopMatrix();
}
/**
* Renders stair graphics
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderStairs(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
boolean swap = false;
if (data == 0 || data == 2)
{
swap = true;
}
if (data == 0 || data == 1)
{
// 0 is ascending-south, 1 is ascending-north
// Sides
this.renderStairSideNorthSouth(textureId, x, y, z+.05f, swap);
this.renderStairSideNorthSouth(textureId, x, y, z+.95f, swap);
// Back
if (swap)
{
this.renderNorthSouth(textureId, x+0.94f, y, z, 0.5f, 0.45f);
}
else
{
this.renderNorthSouth(textureId, x+0.06f, y, z, 0.5f, 0.45f);
}
// Bottom
this.renderTopDown(textureId, x, y, z, 0.45f);
// Stair Surface
this.renderStairSurfaceNorthSouth(textureId, x, y, z, swap);
}
else
{
// 2 is ascending-west, 3 is ascending-east
// Sides
this.renderStairSideWestEast(textureId, x+.05f, y, z, swap);
this.renderStairSideWestEast(textureId, x+.95f, y, z, swap);
// Back
if (swap)
{
this.renderWestEast(textureId, x, y, z+0.94f, 0.5f, 0.45f);
}
else
{
this.renderWestEast(textureId, x, y, z+0.06f, 0.5f, 0.45f);
}
// Bottom
this.renderTopDown(textureId, x, y, z, 0.45f);
// Stair Surface
this.renderStairSurfaceWestEast(textureId, x, y, z, swap);
}
}
/**
* Renders a signpost.
* TODO: show the actual message
* TODO: should be solid instead of just one plane
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderSignpost(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float signBottom = 0f;
float signHeight = .6f;
float postRadius = .05f;
float face_spacing = 3; // in degrees
// First a signpost
this.renderVertical(textureId, x-postRadius, z-postRadius, x+postRadius, z-postRadius, y-0.5f, 0.5f+signBottom);
this.renderVertical(textureId, x-postRadius, z+postRadius, x+postRadius, z+postRadius, y-0.5f, 0.5f+signBottom);
this.renderVertical(textureId, x+postRadius, z-postRadius, x+postRadius, z+postRadius, y-0.5f, 0.5f+signBottom);
this.renderVertical(textureId, x-postRadius, z+postRadius, x-postRadius, z-postRadius, y-0.5f, 0.5f+signBottom);
// Signpost top
this.renderHorizontal(textureId, x-postRadius, z-postRadius, x+postRadius, z+postRadius, y+signBottom);
// Now we continue to draw the sign itself.
byte data = getData(xxx, yyy, zzz);
data &= 0xF;
// data: 0 is West, increasing numbers add 22.5 degrees (so 4 is North, 8 south, etc)
// Because we're not actually drawing the message (yet), as far as we're concerned
// West is the same as East, etc.
float angle = (data % 8) * 22.5f;
float radius = 0.5f;
angle -= face_spacing;
// First x/z
float x1a = x + radius * (float)Math.cos(Math.toRadians(angle));
float z1a = z + radius * (float)Math.sin(Math.toRadians(angle));
angle += face_spacing*2;
float x1b = x + radius * (float)Math.cos(Math.toRadians(angle));
float z1b = z + radius * (float)Math.sin(Math.toRadians(angle));
// Now the other side
angle += 180;
float x2a = x + radius * (float)Math.cos(Math.toRadians(angle));
float z2a = z + radius * (float)Math.sin(Math.toRadians(angle));
angle -= face_spacing*2;
float x2b = x + radius * (float)Math.cos(Math.toRadians(angle));
float z2b = z + radius * (float)Math.sin(Math.toRadians(angle));
// Faces
this.renderVertical(textureId, x1a, z1a, x2a, z2a, y+signBottom, signHeight);
this.renderVertical(textureId, x1b, z1b, x2b, z2b, y+signBottom, signHeight);
// Sides
this.renderVertical(textureId, x1a, z1a, x1b, z1b, y+signBottom, signHeight);
this.renderVertical(textureId, x2a, z2a, x2b, z2b, y+signBottom, signHeight);
// Top/Bottom
this.renderHorizontalAskew(textureId, x1a, z1a, x1b, z1b, x2a, z2a, x2b, z2b, y+signBottom);
this.renderHorizontalAskew(textureId, x1a, z1a, x1b, z1b, x2a, z2a, x2b, z2b, y+signBottom+signHeight);
}
/**
* Renders a wall sign. This is virtually identical to renderLadder, except that
* we draw a smaller box, basically.
* TODO: Would be kind of neat to actually draw the message, too.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderWallSign(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float faceX1, faceX2;
float faceZ1, faceZ2;
float back_dX, back_dZ;
float sign_length = 0.4f;
byte data = getData(xxx, yyy, zzz);
switch(data)
{
case 2:
// East
faceX1 = x-sign_length;
faceX2 = x+sign_length;
faceZ1 = z+0.45f;
faceZ2 = z+0.45f;
back_dX = 0f;
back_dZ = 0.05f;
break;
case 3:
// West
faceX1 = x-sign_length;
faceX2 = x+sign_length;
faceZ1 = z-0.45f;
faceZ2 = z-0.45f;
back_dX = 0f;
back_dZ = -0.05f;
break;
case 4:
// North
faceX1 = x+0.45f;
faceX2 = x+0.45f;
faceZ1 = z-sign_length;
faceZ2 = z+sign_length;
back_dX = 0.05f;
back_dZ = 0f;
break;
case 5:
default:
// South
faceX1 = x-0.45f;
faceX2 = x-0.45f;
faceZ1 = z-sign_length;
faceZ2 = z+sign_length;
back_dX = -0.05f;
back_dZ = 0f;
break;
}
// Face
this.renderVertical(textureId, faceX1, faceZ1, faceX2, faceZ2, y-0.2f, 0.5f);
// Sides
this.renderVertical(textureId, faceX1, faceZ1, faceX1+back_dX, faceZ1+back_dZ, y-0.2f, 0.5f);
this.renderVertical(textureId, faceX2, faceZ2, faceX2+back_dX, faceZ2+back_dZ, y-0.2f, 0.5f);
// Top/Bottom
this.renderHorizontal(textureId, faceX1, faceZ1, faceX2+back_dX, faceZ2+back_dZ, y-0.2f);
this.renderHorizontal(textureId, faceX1, faceZ1, faceX2+back_dX, faceZ2+back_dZ, y+0.3f);
}
/**
* Renders a fence. Note that as of 1.9-pre, the two kinds of fences (regular and nether)
* won't link up with each other, but either will attach to a nearby Fence Gate, if they can.
*
* TODO: Sort out the proper texture offsets + orientations, or at least do it consistently
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
* @param blockOffset Should be passed in from our main draw loop so we don't have to recalculate
*/
public void renderFence(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float slat_start = y+fence_slat_start_offset;
// First the fencepost
this.renderVertical(textureId, x+fence_postsize, z+fence_postsize, x+fence_postsize, z-fence_postsize, y-0.5f, 1f, 4, 16, 6, 0);
this.renderVertical(textureId, x+fence_postsize, z-fence_postsize, x-fence_postsize, z-fence_postsize, y-0.5f, 1f, 4, 16, 6, 0);
this.renderVertical(textureId, x-fence_postsize, z-fence_postsize, x-fence_postsize, z+fence_postsize, y-0.5f, 1f, 4, 16, 6, 0);
this.renderVertical(textureId, x-fence_postsize, z+fence_postsize, x+fence_postsize, z+fence_postsize, y-0.5f, 1f, 4, 16, 6, 0);
this.renderHorizontal(textureId, x+fence_postsize, z+fence_postsize, x-fence_postsize, z-fence_postsize, y+0.5f, 4, 4, 6, 6, false);
int adj_id;
byte adj_data;
// Check for adjacent fences / fence gates in the -x direction
adj_id = this.getAdjNorthBlockId(xxx, yyy, zzz, blockOffset);
if (adj_id == blockId)
{
// Fence to the North
// Bottom slat
this.renderVertical(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z+fence_postsize_h, slat_start, fence_slat_height, 16, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize, z-fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start, fence_slat_height, 16, 3, 0, 5);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start, 2, 16, 14, 0, false);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start+fence_slat_height, 2, 16, 14, 0, false);
// Top slat
this.renderVertical(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z+fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 16, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize, z-fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 16, 3, 0, 5);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start+fence_top_slat_offset, 2, 16, 14, 0, false);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-1f+fence_postsize, z-fence_postsize_h, slat_start+fence_top_slat_offset+fence_slat_height, 2, 16, 14, 0, false);
}
else if (adj_id > -1 && blockArray[adj_id] != null && blockArray[adj_id].type == BLOCK_TYPE.FENCE_GATE)
{
// Fence Gate to the North
adj_data = this.getAdjNorthBlockData(xxx, yyy, zzz);
if (adj_data != -1)
{
adj_data &= 0x3;
if (adj_data == 0 || adj_data == 2)
{
// Bottom slat
this.renderVertical(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z+fence_postsize_h, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize, z-fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start, 2, 6, 14, 0, false);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start+fence_slat_height, 2, 6, 14, 0, false);
// Top slat
this.renderVertical(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z+fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 8, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize, z-fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 8, 3, 0, 5);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset, 2, 8, 14, 0, false);
this.renderHorizontal(textureId, x-fence_postsize, z+fence_postsize_h, x-.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset+fence_slat_height, 2, 8, 14, 0, false);
}
}
}
// Check for adjacent fence gates in the +x direction
adj_id = this.getAdjSouthBlockId(xxx, yyy, zzz, blockOffset);
if (adj_id > -1 && blockArray[adj_id] != null && blockArray[adj_id].type == BLOCK_TYPE.FENCE_GATE)
{
// Fence Gate to the South
adj_data = this.getAdjSouthBlockData(xxx, yyy, zzz);
if (adj_data != -1)
{
adj_data &= 0x3;
if (adj_data == 0 || adj_data == 2)
{
// Bottom slat
this.renderVertical(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z+fence_postsize_h, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x+fence_postsize, z-fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start, 2, 6, 14, 0, false);
this.renderHorizontal(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start+fence_slat_height, 2, 6, 14, 0, false);
// Top slat
this.renderVertical(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z+fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 8, 3, 0, 5);
this.renderVertical(textureId, x+fence_postsize, z-fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset, fence_slat_height, 8, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset, 2, 8, 14, 0, false);
this.renderHorizontal(textureId, x+fence_postsize, z+fence_postsize_h, x+.5f, z-fence_postsize_h, slat_start+fence_top_slat_offset+fence_slat_height, 2, 8, 14, 0, false);
}
}
}
// Check for adjacent fences / fence gates in the -z direction
adj_id = this.getAdjEastBlockId(xxx, yyy, zzz, blockOffset);
if (adj_id == blockId)
{
// Bottom slat
this.renderVertical(textureId, x+fence_postsize_h, z-fence_postsize, x+fence_postsize_h, z-1f+fence_postsize, slat_start, fence_slat_height, 16, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start, fence_slat_height, 16, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start, 2, 16, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start+fence_slat_height, 2, 16, 14, 0, true);
// Top slat
this.renderVertical(textureId, x+fence_postsize_h, z-fence_postsize, x+fence_postsize_h, z-1f+fence_postsize, slat_start+fence_top_slat_offset, fence_slat_height, 16, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start+fence_top_slat_offset, fence_slat_height, 16, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start+fence_top_slat_offset, 2, 16, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-1f+fence_postsize, slat_start+fence_top_slat_offset+fence_slat_height, 2, 16, 14, 0, true);
}
else if (adj_id > -1 && blockArray[adj_id] != null && blockArray[adj_id].type == BLOCK_TYPE.FENCE_GATE)
{
// Fence Gate to the East
adj_data = this.getAdjEastBlockData(xxx, yyy, zzz);
if (adj_data != -1)
{
adj_data &= 0x3;
if (adj_data == 1 || adj_data == 3)
{
// Bottom slat
this.renderVertical(textureId, x+fence_postsize_h, z-fence_postsize, x+fence_postsize_h, z-.5f, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start, 2, 6, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start+fence_slat_height, 2, 6, 14, 0, true);
// Top slat
this.renderVertical(textureId, x+fence_postsize_h, z-fence_postsize, x+fence_postsize_h, z-.5f, slat_start+fence_top_slat_offset, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start+fence_top_slat_offset, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start+fence_top_slat_offset, 2, 6, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z-fence_postsize, x-fence_postsize_h, z-.5f, slat_start+fence_top_slat_offset+fence_slat_height, 2, 6, 14, 0, true);
}
}
}
// Check for adjacent fence gates in the +z direction
adj_id = this.getAdjWestBlockId(xxx, yyy, zzz, blockOffset);
if (adj_id > -1 && blockArray[adj_id] != null && blockArray[adj_id].type == BLOCK_TYPE.FENCE_GATE)
{
// Fence Gate to the West
adj_data = this.getAdjWestBlockData(xxx, yyy, zzz);
if (adj_data != -1)
{
adj_data &= 0x3;
if (adj_data == 1 || adj_data == 3)
{
// Bottom slat
this.renderVertical(textureId, x+fence_postsize_h, z+fence_postsize, x+fence_postsize_h, z+.5f, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start, 2, 6, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start+fence_slat_height, 2, 6, 14, 0, true);
// Top slat
this.renderVertical(textureId, x+fence_postsize_h, z+fence_postsize, x+fence_postsize_h, z+.5f, slat_start+fence_top_slat_offset, fence_slat_height, 6, 3, 0, 5);
this.renderVertical(textureId, x-fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start+fence_top_slat_offset, fence_slat_height, 6, 3, 0, 5);
this.renderHorizontal(textureId, x+fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start+fence_top_slat_offset, 2, 6, 14, 0, true);
this.renderHorizontal(textureId, x+fence_postsize_h, z+fence_postsize, x-fence_postsize_h, z+.5f, slat_start+fence_top_slat_offset+fence_slat_height, 2, 6, 14, 0, true);
}
}
}
}
/**
* Renders a fence gate. Good lord, this is a heck of a function. I continually feel like I'm
* going about these things in the wrong way. Ah, well - it works.
*
* TODO: Sort out the proper texture offsets + orientations, or at least do it consistently
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
* @param blockOffset Should be passed in from our main draw loop so we don't have to recalculate
*/
public void renderFenceGate(int textureId, int xxx, int yyy, int zzz, int blockOffset) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float post_x1 = .375f;
float post_x2 = .5f;
float post_z = .0625f;
float post_y_start = -.1875f;
float post_h = .6875f;
float middle_w = .125f;
float middle_y = fence_slat_start_offset + fence_slat_height;
float middle_h = fence_slat_start_offset + fence_top_slat_offset - middle_y;
float middle_width = .0625f;
byte data = getData(xxx, yyy, zzz);
boolean open = ((data & 0x4) == 0x4);
int dir = (data & 0x3);
// GL stuff; only draw one way
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
switch (dir)
{
case 1:
GL11.glRotatef(270f, 0f, 1f, 0f);
break;
case 2:
GL11.glRotatef(180f, 0f, 1f, 0f);
break;
case 3:
GL11.glRotatef(90f, 0f, 1f, 0f);
break;
case 0:
default:
break;
}
// One side post
this.renderVertical(textureId, post_x1, post_z, post_x2, post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, post_x1, -post_z, post_x2, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, post_x1, post_z, post_x1, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, post_x2, post_z, post_x2, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, -post_z, post_y_start, 2, 2, 7, 7, false);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, -post_z, post_y_start+post_h, 2, 2, 7, 7, false);
// The other side post
this.renderVertical(textureId, -post_x1, post_z, -post_x2, post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, -post_x1, -post_z, -post_x2, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, -post_x1, post_z, -post_x1, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderVertical(textureId, -post_x2, post_z, -post_x2, -post_z, post_y_start, post_h, 2, 11, 7, 0);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, -post_z, post_y_start, 2, 2, 7, 7, false);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, -post_z, post_y_start+post_h, 2, 2, 7, 7, false);
// Now the gate itself
if (open)
{
// One side, bottom slat
this.renderVertical(textureId, post_x1, post_z, post_x1, .48f, fence_slat_start_offset, fence_slat_height, 6, 3, 5, 7);
this.renderVertical(textureId, post_x2, post_z, post_x2, .48f, fence_slat_start_offset, fence_slat_height, 6, 3, 5, 7);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, .48f, fence_slat_start_offset, 6, 2, 5, 7, true);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, .48f, fence_slat_start_offset+fence_slat_height, 6, 2, 5, 7, false);
// One side, top slat
this.renderVertical(textureId, post_x1, post_z, post_x1, .48f, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 6, 3, 5, 7);
this.renderVertical(textureId, post_x2, post_z, post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 6, 3, 5, 7);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset, 6, 2, 5, 7, true);
this.renderHorizontal(textureId, post_x1, post_z, post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset+fence_slat_height, 6, 2, 5, 7, false);
// One side, middle bit
this.renderVertical(textureId, post_x1, .48f, post_x1, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, post_x2, .48f, post_x2, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, post_x1, .48f-middle_w, post_x2, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, post_x1, .48f, post_x2, .48f, fence_slat_start_offset, fence_slat_height+fence_top_slat_offset, 2, 9, 7, 0);
// Other side, bottom slat
this.renderVertical(textureId, -post_x1, post_z, -post_x1, .48f, fence_slat_start_offset, fence_slat_height, 6, 3, 5, 7);
this.renderVertical(textureId, -post_x2, post_z, -post_x2, .48f, fence_slat_start_offset, fence_slat_height, 6, 3, 5, 7);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, .48f, fence_slat_start_offset, 6, 2, 5, 7, true);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, .48f, fence_slat_start_offset+fence_slat_height, 6, 2, 5, 7, false);
// Other side, top slat
this.renderVertical(textureId, -post_x1, post_z, -post_x1, .48f, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 6, 3, 5, 7);
this.renderVertical(textureId, -post_x2, post_z, -post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 6, 3, 5, 7);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset, 6, 2, 5, 7, true);
this.renderHorizontal(textureId, -post_x1, post_z, -post_x2, .48f, fence_slat_start_offset+fence_top_slat_offset+fence_slat_height, 6, 2, 5, 7, false);
// Other side, middle bit
this.renderVertical(textureId, -post_x1, .48f, -post_x1, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, -post_x2, .48f, -post_x2, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, -post_x1, .48f-middle_w, -post_x2, .48f-middle_w, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, -post_x1, .48f, -post_x2, .48f, fence_slat_start_offset, fence_slat_height+fence_top_slat_offset, 2, 9, 7, 0);
}
else
{
// Bottom bar
this.renderVertical(textureId, post_x1, post_z, -post_x1, post_z, fence_slat_start_offset, fence_slat_height, 12, 3, 2, 7);
this.renderVertical(textureId, post_x1, -post_z, -post_x1, -post_z, fence_slat_start_offset, fence_slat_height, 12, 3, 2, 7);
this.renderHorizontal(textureId, post_x1, post_z, -post_x1, -post_z, fence_slat_start_offset, 12, 2, 2, 3, true);
this.renderHorizontal(textureId, post_x1, post_z, -post_x1, -post_z, fence_slat_start_offset+fence_slat_height, 12, 2, 2, 3, true);
// Top bar
this.renderVertical(textureId, post_x1, post_z, -post_x1, post_z, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 12, 3, 2, 7);
this.renderVertical(textureId, post_x1, -post_z, -post_x1, -post_z, fence_slat_start_offset+fence_top_slat_offset, fence_slat_height, 12, 3, 2, 7);
this.renderHorizontal(textureId, post_x1, post_z, -post_x1, -post_z, fence_slat_start_offset+fence_top_slat_offset, 12, 2, 2, 3, true);
this.renderHorizontal(textureId, post_x1, post_z, -post_x1, -post_z, fence_slat_start_offset+fence_top_slat_offset+fence_slat_height, 12, 2, 2, 3, true);
// Middle bit
this.renderVertical(textureId, middle_w, post_z, -middle_w, post_z, middle_y, middle_h, 4, 3, 6, 5);
this.renderVertical(textureId, middle_w, -post_z, -middle_w, -post_z, middle_y, middle_h, 4, 3, 6, 5);
this.renderVertical(textureId, middle_w, middle_width, middle_w, -middle_width, middle_y, middle_h, 2, 3, 7, 5);
this.renderVertical(textureId, -middle_w, middle_width, -middle_w, -middle_width, middle_y, middle_h, 2, 3, 7, 5);
}
// aaand pop our GL matrix
GL11.glPopMatrix();
}
/**
* Renders a button.
*/
public void renderButton(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float faceX1, faceX2;
float faceZ1, faceZ2;
float back_dX, back_dZ;
float button_radius = .1f;
byte data = getData(xxx, yyy, zzz);
switch(data)
{
case 1:
// South
faceX1 = x-0.5f+button_radius;
faceX2 = x-0.5f+button_radius;
faceZ1 = z-button_radius;
faceZ2 = z+button_radius;
back_dX = -button_radius;
back_dZ = 0;
break;
case 2:
// North
faceX1 = x+0.5f-button_radius;
faceX2 = x+0.5f-button_radius;
faceZ1 = z-button_radius;
faceZ2 = z+button_radius;
back_dX = button_radius;
back_dZ = 0;
break;
case 3:
// West
faceX1 = x-button_radius;
faceX2 = x+button_radius;
faceZ1 = z-0.5f+button_radius;
faceZ2 = z-0.5f+button_radius;
back_dX = 0;
back_dZ = -button_radius;
break;
case 4:
default:
// East
faceX1 = x-button_radius;
faceX2 = x+button_radius;
faceZ1 = z+0.5f-button_radius;
faceZ2 = z+0.5f-button_radius;
back_dX = 0;
back_dZ = button_radius;
break;
}
// Button face
this.renderVertical(textureId, faceX1, faceZ1, faceX2, faceZ2, y-button_radius, button_radius*2);
// Sides
this.renderVertical(textureId, faceX1, faceZ1, faceX1+back_dX, faceZ1+back_dZ, y-button_radius, button_radius*2);
this.renderVertical(textureId, faceX2, faceZ2, faceX2+back_dX, faceZ2+back_dZ, y-button_radius, button_radius*2);
// Top/Bottom
this.renderHorizontal(textureId, faceX1, faceZ1, faceX2+back_dX, faceZ2+back_dZ, y-button_radius);
this.renderHorizontal(textureId, faceX1, faceZ1, faceX2+back_dX, faceZ2+back_dZ, y+button_radius);
}
/**
* Portal square rendering.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
* @param blockOffset Should be passed in from our main draw loop so we don't have to recalculate
*/
public void renderPortal(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
// Check to see where adjoining Portal spaces are, so we know which
// faces to draw
boolean drawWestEast = true;
if (this.getAdjNorthBlockId(xxx, yyy, zzz, blockOffset) == blockId ||
this.getAdjSouthBlockId(xxx, yyy, zzz, blockOffset) == blockId)
{
drawWestEast = false;
}
if (drawWestEast)
{
this.renderVertical(textureId, x-0.3f, z-0.5f, x-0.3f, z+0.5f, y-0.5f, 1.0f);
this.renderVertical(textureId, x+0.3f, z-0.5f, x+0.3f, z+0.5f, y-0.5f, 1.0f);
}
else
{
this.renderVertical(textureId, x-0.5f, z-0.3f, x+0.5f, z-0.3f, y-0.5f, 1.0f);
this.renderVertical(textureId, x-0.5f, z+0.3f, x+0.5f, z+0.3f, y-0.5f, 1.0f);
}
}
/**
* This is a bizarre little method, and should probably be both renamed and refactored
* into some functions that make more sense. It's used in a few places to determine
* which faces of a block we're supposed to actually render. "transparency" is whether
* or not we're currently rendering transparent objects.
*/
public boolean checkSolid(short block) {
if(block <= 0) {
return true;
}
if (blockArray[block] == null)
{
return false;
}
return !blockArray[block].isSolid();
}
/**
* This method, on the other hand, is a bit more clear. We'll return true if the
* block ID is solid.
*/
public boolean isSolid(short block)
{
if(block <= 0) {
return false;
}
if (blockArray[block] == null)
{
return false;
}
return blockArray[block].isSolid();
}
/**
* Renders the body of a piston. If the piston is retracted, we'll also make a call out
* to renderPistonHead to draw the actual head. Note that we do need to have the block
* type passed in, so that we can tell renderPistonHead what texture to draw.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
* @param blockType The actual block type; needed for the piston head
*/
public void renderPistonBody(int textureId, int xxx, int yyy, int zzz, short blockType) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
boolean extended = ((data & 0x8) == 0x8);
int direction = (data & 0x7);
float tex_x = precalcSpriteSheetToTextureX[textureId];
float tex_y = precalcSpriteSheetToTextureY[textureId]+TEX128;
float TEX_PISTON = TEX128*3f;
// Use GL to rotate these properly
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
// This routine draws the piston facing west, which is direction value 3
if (direction == 1)
{
// Up
GL11.glRotatef(-90f, 1f, 0f, 0f);
}
else if (direction == 2)
{
// East
GL11.glRotatef(180f, 0f, 1f, 0f);
}
else if (direction == 4)
{
// North
GL11.glRotatef(-90f, 0f, 1f, 0f);
}
else if (direction == 5)
{
// South
GL11.glRotatef(90f, 0f, 1f, 0f);
}
// First the main body bit
renderNonstandardHorizontal(tex_x, tex_y, TEX16, TEX_PISTON, -.49f, .25f, .49f, -.49f, .49f);
renderNonstandardHorizontal(tex_x, tex_y, TEX16, TEX_PISTON, -.49f, .25f, .49f, -.49f, -.49f);
renderNonstandardVertical(tex_x, tex_y, TEX16, TEX_PISTON, -.49f, .49f, .25f, -.49f, -.49f, -.49f);
renderNonstandardVertical(tex_x, tex_y, TEX16, TEX_PISTON, .49f, .49f, .25f, .49f, -.49f, -.49f);
renderVertical(textureId+1, -.49f, -.49f, .49f, -.49f, -.49f, .98f);
// If we're extended, draw our faceplate; if not, draw the retracted face
if (extended)
{
renderVertical(textureId+2, -.49f, .25f, .49f, .25f, -.49f, .98f);
// Pop the matrix after
GL11.glPopMatrix();
}
else
{
// Pop the matrix before
GL11.glPopMatrix();
renderPistonHead(textureId-1, xxx, yyy, zzz, true, (blockType == 29));
}
}
/**
* Renders the head of a piston. This can get called from either the main loop, or from
* renderPistonBody. If called from renderPistonBody, "attached" should be set to true,
* so we know not to draw the back face and post. The override_sticky boolean should be
* used (when attached is true) to specify whether to use the sticky-piston texture or
* not, since the data value we read will be the Body's data value, which does not
* indicate stickiness. Fortunately, the remaining three bits (the direction) matches
* up between head and body, so we should be okay just reading the body's data for
* direction information.
*
* The textureId passed in should be the ID of the non-sticky texture; some logic here
* depends on the layout of the texture information in terrain.png
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
* @param attached Are we attached to the piston body?
* @param override_sticky If attached, are we a sticky piston or a regular piston?
*/
public void renderPistonHead(int textureId, int xxx, int yyy, int zzz, boolean attached, boolean override_sticky) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte data = getData(xxx, yyy, zzz);
boolean sticky = ((data & 0x8) == 0x8);
int direction = (data & 0x7);
float side_tex_x = precalcSpriteSheetToTextureX[textureId+1];
float side_tex_y = precalcSpriteSheetToTextureY[textureId+1];
// Matrix stuff
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
// This routine draws the piston facing west, which is direction value 3
if (direction == 1)
{
// Up
GL11.glRotatef(-90f, 1f, 0f, 0f);
}
else if (direction == 2)
{
// East
GL11.glRotatef(180f, 0f, 1f, 0f);
}
else if (direction == 4)
{
// North
GL11.glRotatef(-90f, 0f, 1f, 0f);
}
else if (direction == 5)
{
// South
GL11.glRotatef(90f, 0f, 1f, 0f);
}
// Outside edges
renderNonstandardHorizontalTexRotate(side_tex_x, side_tex_y, TEX16, TEX128, -.49f, .25f, .49f, .49f, .49f);
renderNonstandardHorizontalTexRotate(side_tex_x, side_tex_y, TEX16, TEX128, -.49f, .25f, .49f, .49f, -.49f);
renderNonstandardVerticalTexRotate(side_tex_x, side_tex_y, TEX16, TEX128, -.49f, .49f, .25f, -.49f, -.49f, .49f);
renderNonstandardVerticalTexRotate(side_tex_x, side_tex_y, TEX16, TEX128, .49f, .49f, .25f, .49f, -.49f, .49f);
// Back face and post, if we're not attached
if (!attached)
{
// Back face first
renderVertical(textureId, -.49f, .25f, .49f, .25f, -.49f, .98f);
// Now the post
renderNonstandardHorizontal(side_tex_x, side_tex_y, TEX16, TEX128, -.125f, .25f, .125f, -.75f, .125f);
renderNonstandardHorizontal(side_tex_x, side_tex_y, TEX16, TEX128, -.125f, .25f, .125f, -.75f, -.125f);
renderNonstandardVertical(side_tex_x, side_tex_y, TEX16, TEX128, -.125f, .125f, .25f, -.125f, -.125f, -.75f);
renderNonstandardVertical(side_tex_x, side_tex_y, TEX16, TEX128, .125f, .125f, .25f, .125f, -.125f, -.75f);
}
// Front face
if (attached)
{
if (override_sticky)
{
textureId -= 1;
}
}
else
{
if (sticky)
{
textureId -= 1;
}
}
renderVertical(textureId, -.49f, .49f, .49f, .49f, -.49f, .98f);
// Pop the matrix
GL11.glPopMatrix();
}
/**
* Renders a cake
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderCake(int textureId, int xxx, int yyy, int zzz) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
byte bites_eaten = getData(xxx, yyy, zzz);
float top_tex_x = precalcSpriteSheetToTextureX[textureId]+TEX256;
float top_tex_y = precalcSpriteSheetToTextureY[textureId]+TEX512;
float bottom_tex_x = precalcSpriteSheetToTextureX[textureId+3]+TEX256;
float bottom_tex_y = precalcSpriteSheetToTextureY[textureId+3]+TEX512;
float edge_tex_x = precalcSpriteSheetToTextureX[textureId+1]+TEX256;
float edge_tex_y = precalcSpriteSheetToTextureY[textureId+1]+TEX64;
float cut_tex_x = precalcSpriteSheetToTextureX[textureId+2]+TEX256;
float cut_tex_y = precalcSpriteSheetToTextureY[textureId+2]+TEX64;
float far_tex_x, far_tex_y;
if (bites_eaten == 0)
{
far_tex_x = edge_tex_x;
far_tex_y = edge_tex_y;
}
else
{
far_tex_x = cut_tex_x;
far_tex_y = cut_tex_y;
}
float tex_full_width = TEX256*14f;
float tex_full_height = TEX512*14f;
float tex_side_height = TEX64;
float cake_height = .5f;
float cake_full_width = .875f;
float cake_full_width_h = .4375f;
float actual_width = (6f-(float)bites_eaten)/6f;
// Use GL to rotate these properly
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
// Note that cake will always be eaten from the North
// Knowing that, draw the south face, first
renderNonstandardVertical(edge_tex_x, edge_tex_y, tex_full_width, tex_side_height,
cake_full_width_h, 0f, cake_full_width_h,
cake_full_width_h, -.49f, -cake_full_width_h);
// Draw the far edge next
renderNonstandardVertical(far_tex_x, far_tex_y, tex_full_width, tex_side_height,
cake_full_width_h-(actual_width*cake_full_width), 0f, cake_full_width_h,
cake_full_width_h-(actual_width*cake_full_width), -.49f, -cake_full_width_h);
// And now the sides
renderNonstandardVertical(edge_tex_x, edge_tex_y, tex_full_width*actual_width, tex_side_height,
cake_full_width_h, 0f, cake_full_width_h,
cake_full_width_h-(actual_width*cake_full_width), -.49f, cake_full_width_h);
renderNonstandardVertical(edge_tex_x, edge_tex_y, tex_full_width*actual_width, tex_side_height,
cake_full_width_h, 0f, -cake_full_width_h,
cake_full_width_h-(actual_width*cake_full_width), -.49f, -cake_full_width_h);
// Now the bottom
renderNonstandardHorizontal(bottom_tex_x, bottom_tex_y, tex_full_width, tex_full_height*actual_width,
cake_full_width_h, cake_full_width_h,
cake_full_width_h-(actual_width*cake_full_width), -cake_full_width_h,
-.49f);
// ... and the top
renderNonstandardHorizontal(top_tex_x, top_tex_y, tex_full_width, tex_full_height*actual_width,
cake_full_width_h, cake_full_width_h,
cake_full_width_h-(actual_width*cake_full_width), -cake_full_width_h,
0f);
// Pop the matrix
GL11.glPopMatrix();
}
/**
* Renders a sold pane-like object (glass pane, iron bars, etc)
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderSolidPane(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
boolean has_north = false;
boolean has_south = false;
boolean has_west = false;
boolean has_east = false;
float top_width = .0625f;
int top_row_1 = 0;
int top_row_2 = 15;
if (blockId == BLOCK_IRON_BARS.id)
{
top_row_1 = 2;
top_row_2 = 3;
}
short temp_id;
temp_id = this.getAdjNorthBlockId(xxx, yyy, zzz, blockOffset);
if (temp_id == blockId || this.isSolid(temp_id))
{
has_north = true;
}
temp_id = this.getAdjSouthBlockId(xxx, yyy, zzz, blockOffset);
if (temp_id == blockId || this.isSolid(temp_id))
{
has_south = true;
}
temp_id = this.getAdjWestBlockId(xxx, yyy, zzz, blockOffset);
if (temp_id == blockId || this.isSolid(temp_id))
{
has_west = true;
}
temp_id = this.getAdjEastBlockId(xxx, yyy, zzz, blockOffset);
if (temp_id == blockId || this.isSolid(temp_id))
{
has_east = true;
}
if (!has_north && !has_south && !has_west && !has_east)
{
has_north = true;
has_south = true;
has_west = true;
has_east = true;
}
// Now we should be able to actually draw stuff
if (has_north && has_south)
{
this.renderVertical(textureId, x-.5f, z, x+.5f, z, y-.5f, .98f);
}
else
{
if (has_north)
{
this.renderVertical(textureId, x, z, x-.5f, z, y-.5f, .98f, 8, 16, 8, 0);
}
if (has_south)
{
this.renderVertical(textureId, x, z, x+.5f, z, y-.5f, .98f, 8, 16, 8, 0);
}
}
if (has_north)
{
this.renderHorizontal(textureId, x-.5f, z+top_width, x-top_width, z, y+.48f, 1, 7, top_row_1, 0, false);
this.renderHorizontal(textureId, x-.5f, z-top_width, x-top_width, z, y+.48f, 1, 7, top_row_2, 0, false);
}
if (has_south)
{
this.renderHorizontal(textureId, x+.5f, z+top_width, x+top_width, z, y+.48f, 1, 7, top_row_1, 0, false);
this.renderHorizontal(textureId, x+.5f, z-top_width, x+top_width, z, y+.48f, 1, 7, top_row_2, 0, false);
}
if (has_west && has_east)
{
this.renderVertical(textureId, x, z-.5f, x, z+.5f, y-.5f, .98f);
}
else
{
if (has_west)
{
this.renderVertical(textureId, x, z, x, z+.5f, y-.5f, .98f, 8, 16, 8, 0);
}
if (has_east)
{
this.renderVertical(textureId, x, z, x, z-.5f, y-.5f, .98f, 8, 16, 8, 0);
}
}
if (has_west)
{
this.renderHorizontal(textureId, x+top_width, z+.5f, x, z+top_width, y+.48f, 1, 7, top_row_1, 0, true);
this.renderHorizontal(textureId, x-top_width, z+.5f, x, z+top_width, y+.48f, 1, 7, top_row_2, 0, true);
}
if (has_east)
{
this.renderHorizontal(textureId, x+top_width, z-.5f, x, z-top_width, y+.48f, 1, 7, top_row_1, 0, true);
this.renderHorizontal(textureId, x-top_width, z-.5f, x, z-top_width, y+.48f, 1, 7, top_row_2, 0, true);
}
// Finally, the center top square. Technically we shouldn't draw past the edge, but whatever.
this.renderHorizontal(textureId, x+top_width, z+top_width, x-top_width, z, y+.48f, 1, 2, top_row_1, 7, false);
this.renderHorizontal(textureId, x+top_width, z-top_width, x-top_width, z, y+.48f, 1, 2, top_row_2, 7, false);
}
/**
* Renders a chest
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderChest(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
float edges = .45f;
float bottom = .49f;
float height = .94f;
float full = .5f;
byte orientation = getData(xxx, yyy, zzz);
// Use GL to rotate these properly
GL11.glPushMatrix();
GL11.glTranslatef(x, y, z);
// Find out if we have adjacent chests, and rotate. Our "have_right" and
// "have_left" booleans are a little bit at odds with the orientation of the
// chest itself, since my "left/right" is looking *at* the front of the
// chest, not pointing out in the direction the chest is facing. Alas.
boolean have_left = false;
boolean have_right = false;
switch(orientation)
{
case 4:
// Facing North
have_right = (getAdjWestBlockId(xxx, yyy, zzz, blockOffset) == blockId);
have_left = (getAdjEastBlockId(xxx, yyy, zzz, blockOffset) == blockId);
GL11.glRotatef(270f, 0f, 1f, 0f);
break;
case 5:
// Facing South
have_right = (getAdjEastBlockId(xxx, yyy, zzz, blockOffset) == blockId);
have_left = (getAdjWestBlockId(xxx, yyy, zzz, blockOffset) == blockId);
GL11.glRotatef(90f, 0f, 1f, 0f);
break;
case 2:
// Facing east
have_right = (getAdjNorthBlockId(xxx, yyy, zzz, blockOffset) == blockId);
have_left = (getAdjSouthBlockId(xxx, yyy, zzz, blockOffset) == blockId);
GL11.glRotatef(180f, 0f, 1f, 0f);
break;
case 3:
default:
// Facing west (this is what chests with a data of "0" will show up as,
// weirdly, in Minecraft itself)
have_right = (getAdjSouthBlockId(xxx, yyy, zzz, blockOffset) == blockId);
have_left = (getAdjNorthBlockId(xxx, yyy, zzz, blockOffset) == blockId);
break;
}
// Render appropriately
if (have_left)
{
renderVertical(textureId+15, -full, edges, edges, edges, -bottom, height);
renderVertical(textureId+31, -full, -edges, edges, -edges, -bottom, height);
renderVertical(textureId-1, edges, -edges, edges, edges, -bottom, height);
renderHorizontal(textureId-2, -full, -edges, edges, edges, edges, 8, 16, 8, 0, true);
renderHorizontal(textureId-2, -full, -edges, edges, edges, -bottom, 8, 16, 8, 0, true);
}
else if (have_right)
{
renderVertical(textureId+14, -edges, edges, full, edges, -bottom, height);
renderVertical(textureId+30, -edges, -edges, full, -edges, -bottom, height);
renderVertical(textureId-1, -edges, -edges, -edges, edges, -bottom, height);
renderHorizontal(textureId-2, -edges, -edges, full, edges, edges, 8, 16, 0, 0, true);
renderHorizontal(textureId-2, -edges, -edges, full, edges, -bottom, 8, 16, 0, 0, true);
}
else
{
renderVertical(textureId, -edges, edges, edges, edges, -bottom, height);
renderVertical(textureId-1, -edges, -edges, edges, -edges, -bottom, height);
renderVertical(textureId-1, -edges, -edges, -edges, edges, -bottom, height);
renderVertical(textureId-1, edges, -edges, edges, edges, -bottom, height);
renderHorizontal(textureId-2, -edges, -edges, edges, edges, edges);
renderHorizontal(textureId-2, -edges, -edges, edges, edges, -bottom);
}
// Pop the matrix
GL11.glPopMatrix();
}
/**
* Helper function for renderHalfHeight - given an adjacent block ID, it
* will return true if we should render that "side"
*/
public boolean shouldRenderHalfHeightAdj(short adj_block)
{
if (adj_block < 0)
{
return true;
}
if (blockArray[adj_block] == null)
{
return true;
}
return (!blockArray[adj_block].isSolid() &&
blockArray[adj_block].type != BLOCK_TYPE.HALFHEIGHT);
}
/**
* Renders a half-height block
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderHalfHeight(int textureId, int xxx, int yyy, int zzz, int blockOffset) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
// Sides
if (shouldRenderHalfHeightAdj(getAdjEastBlockId(xxx, yyy, zzz, blockOffset)))
{
this.renderWestEast(textureId, x, y, z, 0f, .5f);
}
if (shouldRenderHalfHeightAdj(getAdjWestBlockId(xxx, yyy, zzz, blockOffset)))
{
this.renderWestEast(textureId, x, y, z+1, 0f, .5f);
}
if (shouldRenderHalfHeightAdj(getAdjNorthBlockId(xxx, yyy, zzz, blockOffset)))
{
this.renderNorthSouth(textureId, x, y, z, 0f, .5f);
}
if (shouldRenderHalfHeightAdj(getAdjSouthBlockId(xxx, yyy, zzz, blockOffset)))
{
this.renderNorthSouth(textureId, x+1, y, z, 0f, .5f);
}
// Bottom
boolean render_bottom = true;
if (y > 0)
{
short bottom = blockData.value[blockOffset-1];
render_bottom = (bottom > 0 && blockArray[bottom] != null && !blockArray[bottom].isSolid());
}
if (render_bottom)
{
this.renderTopDown(textureId, x, y, z);
}
// Always render the top
this.renderTopDown(textureId, x, y+0.5f, z);
}
/**
* Helper function for renderSemisolid - given an adjacent block ID, it
* will return true if we should render that "side"
*/
public boolean shouldRenderSemisolidAdj(short adj_block, int ourId)
{
if (ourId == adj_block)
{
return false;
}
if (adj_block < 0)
{
return true;
}
if (blockArray[adj_block] == null)
{
return true;
}
return blockArray[adj_block].isSolid();
}
/**
* Renders a semisolid block
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderSemisolid(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
// Sides
if (shouldRenderSemisolidAdj(getAdjEastBlockId(xxx, yyy, zzz, blockOffset), blockId))
{
this.renderWestEast(textureId, x, y, z);
}
if (shouldRenderSemisolidAdj(getAdjWestBlockId(xxx, yyy, zzz, blockOffset), blockId))
{
this.renderWestEast(textureId, x, y, z+1);
}
if (shouldRenderSemisolidAdj(getAdjNorthBlockId(xxx, yyy, zzz, blockOffset), blockId))
{
this.renderNorthSouth(textureId, x, y, z);
}
if (shouldRenderSemisolidAdj(getAdjSouthBlockId(xxx, yyy, zzz, blockOffset), blockId))
{
this.renderNorthSouth(textureId, x+1, y, z);
}
// Bottom
boolean render_bottom = true;
if (y > 0)
{
render_bottom = shouldRenderSemisolidAdj(blockData.value[blockOffset-1], blockId);
}
if (render_bottom)
{
this.renderTopDown(textureId, x, y, z);
}
// Top
boolean render_top = true;
if (y < 127)
{
render_top = shouldRenderSemisolidAdj(blockData.value[blockOffset+1], blockId);
}
if (render_top)
{
this.renderTopDown(textureId, x, y+1f, z);
}
}
/**
* Renders a water block
*
* TODO: We're doing some ridiculousness here to avoid z-fighting when water is up against
* halfheight blocks. When we draw a water face on top of an already-existing face with
* the exact same geometry (say, a "full" solid block), the textures combine perfectly and
* we're all happy. If the polygons are at all differently-sized, though, we get z-fighting
* and it's terrible. I'd love to know why that is (or, more to the point, why we *don't*
* get z-fighting when the geometry is equal). Apparently if we move to using shaders,
* using multitexturing is pretty easy, so we may want to look at doing that. Whatever that
* actually is. Someday I should learn how to actually use this stuff, yeah?
*
* TODO: sight, West and South halfheight stuff doesn't seem to actually render for some reason,
* it gets overwritten by the halfheight texture itself. I'd love to figure out why all of
* this is happening. Still, IMO it's better than the z-fighting, so for now I'll leave it.
*
* @param textureId
* @param xxx
* @param yyy
* @param zzz
*/
public void renderWater(int textureId, int xxx, int yyy, int zzz, int blockOffset, int blockId) {
float x = xxx + this.x*16;
float z = zzz + this.z*16;
float y = yyy;
short adj;
// Sides
adj = getAdjEastBlockId(xxx, yyy, zzz, blockOffset);
if (adj != blockId)
{
if (adj > 0 && blockArray[adj] != null && blockArray[adj].type == BLOCK_TYPE.HALFHEIGHT)
{
this.renderVertical(textureId, x-.5f, z-.5f, x+.5f, z-.5f, y, .5f, 16, 8, 0, 0);
this.renderVertical(textureId, x-.5f, z-.5f, x+.5f, z-.5f, y-.5f, .5f, 16, 8, 0, 8);
}
else
{
this.renderVertical(textureId, x-.5f, z-.5f, x+.5f, z-.5f, y-.5f, 1f);
}
}
adj = getAdjWestBlockId(xxx, yyy, zzz, blockOffset);
if (adj != blockId)
{
if (adj > 0 && blockArray[adj] != null && blockArray[adj].type == BLOCK_TYPE.HALFHEIGHT)
{
this.renderVertical(textureId, x-.5f, z+.5f, x+.5f, z+.5f, y, .5f, 16, 8, 0, 0);
this.renderVertical(textureId, x-.5f, z+.5f, x+.5f, z+.5f, y-.5f, .5f, 16, 8, 0, 8);
}
else
{
this.renderVertical(textureId, x-.5f, z+.5f, x+.5f, z+.5f, y-.5f, 1f);
}
}
adj = getAdjNorthBlockId(xxx, yyy, zzz, blockOffset);
if (adj != blockId)
{
if (adj > 0 && blockArray[adj] != null && blockArray[adj].type == BLOCK_TYPE.HALFHEIGHT)
{
this.renderVertical(textureId, x-.5f, z+.5f, x-.5f, z-.5f, y, .5f, 16, 8, 0, 0);
this.renderVertical(textureId, x-.5f, z+.5f, x-.5f, z-.5f, y-.5f, .5f, 16, 8, 0, 8);
}
else
{
this.renderVertical(textureId, x-.5f, z+.5f, x-.5f, z-.5f, y-.5f, 1f);
}
}
adj = getAdjSouthBlockId(xxx, yyy, zzz, blockOffset);
if (adj != blockId)
{
if (adj > 0 && blockArray[adj] != null && blockArray[adj].type == BLOCK_TYPE.HALFHEIGHT)
{
this.renderVertical(textureId, x+.5f, z+.5f, x+.5f, z-.5f, y, .5f, 16, 8, 0, 0);
this.renderVertical(textureId, x+.5f, z+.5f, x+.5f, z-.5f, y-.5f, .5f, 16, 8, 0, 8);
}
else
{
this.renderVertical(textureId, x+.5f, z+.5f, x+.5f, z-.5f, y-.5f, 1f);
}
}
// Bottom
boolean render_bottom = true;
if (y > 0)
{
render_bottom = blockData.value[blockOffset-1] != blockId;
}
if (render_bottom)
{
this.renderTopDown(textureId, x, y, z);
}
// Top
boolean render_top = true;
if (y < 127)
{
render_top = blockData.value[blockOffset+1] != blockId;
}
if (render_top)
{
this.renderTopDown(textureId, x, y+1f, z);
}
}
/**
* Tests if the given source block has a torch nearby. This is, I'm willing
* to bet, the least efficient way possible of doing this. It turns out that
* despite that, it doesn't really have a noticeable impact on performance,
* which is why it remains in here, but perhaps one day I'll rewrite this
* stuff to be less stupid. The one upside to doing it like this is that
* we're not using any extra memory storing data about which block should be
* highlighted...
*
* @param sx
* @param sy
* @param sz
* @return
*/
public boolean hasAdjacentTorch(int sx, int sy, int sz)
{
int distance = 3;
int x, y, z;
int min_x = sx-distance;
int max_x = sx+distance;
int min_z = sz-distance;
int max_z = sz+distance;
int min_y = Math.max(0, sy-distance);
int max_y = Math.min(127, sy+distance);
Chunk otherChunk;
int cx, cz;
int tx, tz;
for (x = min_x; x<=max_x; x++)
{
for (y = min_y; y<=max_y; y++)
{
for (z = min_z; z<=max_z; z++)
{
otherChunk = null;
if (x < 0)
{
cx = this.x-1;
tx = 16+x;
}
else if (x > 15)
{
cx = this.x+1;
tx = x-16;
}
else
{
cx = this.x;
tx = x;
}
if (z < 0)
{
cz = this.z-1;
tz = 16+z;
}
else if (z > 15)
{
cz = this.z+1;
tz = z-16;
}
else
{
cz = this.z;
tz = z;
}
if (cx != this.x || cz != this.z)
{
otherChunk = level.getChunk(cx, cz);
if (otherChunk == null)
{
continue;
}
else if (otherChunk.blockData.value[(tz*128)+(tx*128*16)+y] == BLOCK_TORCH.id)
{
return true;
}
}
else
{
if (blockData.value[(z*128)+(x*128*16)+y] == BLOCK_TORCH.id)
{
return true;
}
}
}
}
}
return false;
}
public void renderWorldSolids(boolean render_bedrock, boolean highlight_explored)
{
renderWorld(RENDER_PASS.SOLIDS, render_bedrock, false, highlight_explored, null);
}
public void renderWorldTransparents(boolean render_water, boolean highlight_explored)
{
renderWorld(RENDER_PASS.TRANSPARENTS, false, render_water, highlight_explored, null);
}
public void renderWorldSelected(boolean[] selectedMap)
{
renderWorld(RENDER_PASS.SELECTED, false, false, false, selectedMap);
}
/**
* Renders our chunk. Most of these options should really be consolidated somehow; maybe just pass in
* a HashMap or something with the options. Anyway, for now it'll remain the same.
*
* @param pass What pass of rendering are we processing?
* @param render_bedrock Are we forcing bedrock to be rendered?
* @param render_water Are we forcing water to be rendered?
* @param highlight_explored Are we highlighting the area around torches?
* @param selectedMap ... if so, here's a HashMap to which ones to highlight.
*/
public void renderWorld(RENDER_PASS pass,
boolean render_bedrock, boolean render_water,
boolean highlight_explored,
boolean[] selectedMap) {
float worldX = this.x*16;
float worldZ = this.z*16;
boolean draw = false;
boolean above = true;
boolean below = true;
boolean north = true;
boolean south = true;
boolean east = true;
boolean west = true;
int tex_offset = 0;
BlockType block;
boolean adj_torch;
short t;
int xOff, zOff, blockOffset;
int x, y, z;
int textureId;
byte data;
int north_t, south_t, west_t, east_t, top_t, bottom_t;
for(x=0; x<16; x++) {
xOff = (x * 128 * 16);
for(z=0; z<16; z++) {
zOff = (z * 128);
blockOffset = zOff + xOff-1;
for(y=0; y<128; y++) {
blockOffset++;
adj_torch = false;
// Grab our block type
t = blockData.value[blockOffset];
if(t < 1) {
continue;
}
// Get the actual BlockType object
block = blockArray[t];
if (block == null)
{
//System.out.println("Unknown block ID: " + t);
block = BLOCK_UNKNOWN;
}
// Doublecheck for water
if (!render_water && block.type == BLOCK_TYPE.WATER)
{
continue;
}
// Grab our texture ID and verify it
textureId = block.tex_idx;
if(textureId == -1) {
//System.out.println("Unknown block id: " + t);
continue;
}
// Set up our intitial drawing parameters
switch (pass)
{
case SOLIDS:
if (!block.isSolid())
{
continue;
}
draw = false;
above = true;
below = true;
north = true;
south = true;
east = true;
west = true;
// Check for adjacent blocks
if (render_bedrock && t == BLOCK_BEDROCK.id)
{
// This block of code was more or less copied/modified directly from the "else" block
// below - should see if there's a way we can abstract this instead. Also, I suspect
// that this is where we'd fix water rendering...
// check above
if(y<127 && blockData.value[blockOffset+1] != BLOCK_BEDROCK.id) {
draw = true;
above = false;
}
// check below
if(y>0 && blockData.value[blockOffset-1] != BLOCK_BEDROCK.id) {
draw = true;
below = false;
}
// check north;
if (this.getAdjNorthBlockId(x, y, z, blockOffset) != BLOCK_BEDROCK.id) {
draw = true;
north = false;
}
// check south
if (this.getAdjSouthBlockId(x, y, z, blockOffset) != BLOCK_BEDROCK.id) {
draw = true;
south = false;
}
// check east
if (this.getAdjEastBlockId(x, y, z, blockOffset) != BLOCK_BEDROCK.id) {
draw = true;
east = false;
}
// check west
if (this.getAdjWestBlockId(x, y, z, blockOffset) != BLOCK_BEDROCK.id) {
draw = true;
west = false;
}
}
else
{
// check above
if(y<127 && checkSolid(blockData.value[blockOffset+1])) {
draw = true;
above = false;
}
// check below
if(y>0 && checkSolid(blockData.value[blockOffset-1])) {
draw = true;
below = false;
}
// check north;
if (checkSolid(this.getAdjNorthBlockId(x, y, z, blockOffset))) {
draw = true;
north = false;
}
// check south
if (checkSolid(this.getAdjSouthBlockId(x, y, z, blockOffset))) {
draw = true;
south = false;
}
// check east
if (checkSolid(this.getAdjEastBlockId(x, y, z, blockOffset))) {
draw = true;
east = false;
}
// check west
if (checkSolid(this.getAdjWestBlockId(x, y, z, blockOffset))) {
draw = true;
west = false;
}
}
break;
case TRANSPARENTS:
if (block.isSolid())
{
continue;
}
draw = true;
break;
case SELECTED:
draw = false;
for(int i=0;i<selectedMap.length;i++) {
if(selectedMap[i] && level.HIGHLIGHT_ORES[i] == t) {
// TODO: should maybe check our boundaries for similar ores, like we do for regular blocks
draw = true;
above = false;
below = false;
north = false;
south = false;
east = false;
west = false;
break;
}
}
break;
default:
// Should never get here
continue;
}
// Continue on to the actual rendering
if (draw)
{
// Check to see if this block type has a texture ID which changes depending
// on the block's data value
if (block.texture_data_map != null)
{
data = getData(x, y, z);
if (t == BLOCK_SAPLING.id)
{
// Special-case here for Sapling data, since we can't trust the upper two bits
data &= 0x3;
}
else
{
// ... otherwise, just make sure we're dealing with the bottom four
data &= 0xF;
}
// Now try to get the new texture
try
{
textureId = block.texture_data_map.get(data);
}
catch (NullPointerException e)
{
// Just report and continue
System.out.println("Unknown data value for block " + block.idStr + ": " + data);
}
}
// If we're highlighting explored regions and there's an adjacent
// torch, flip over to the "highlighted" textures
if (highlight_explored)
{
adj_torch = hasAdjacentTorch(x,y,z);
if (adj_torch)
{
textureId += 256;
tex_offset = 256;
}
else
{
tex_offset = 0;
}
}
else
{
tex_offset = 0;
}
// Now process the actual drawing
switch(block.type)
{
case TORCH:
renderTorch(textureId,x,y,z);
break;
case DECORATION_CROSS:
renderCrossDecoration(textureId,x,y,z);
break;
case CROPS:
renderCrops(textureId,x,y,z);
break;
case NETHER_WART:
renderNetherwart(textureId,x,y,z);
break;
case LADDER:
renderLadder(textureId,x,y,z);
break;
case FLOOR:
renderFloor(textureId,x,y,z);
break;
case MINECART_TRACKS:
renderMinecartTracks(textureId,x,y,z);
break;
case SIMPLE_RAIL:
renderSimpleRail(textureId,x,y,z);
break;
case PRESSURE_PLATE:
renderPlate(textureId,x,y,z);
break;
case DOOR:
renderDoor(textureId,x,y,z);
break;
case STAIRS:
renderStairs(textureId,x,y,z);
break;
case SIGNPOST:
renderSignpost(textureId,x,y,z);
break;
case WALLSIGN:
renderWallSign(textureId,x,y,z);
break;
case FENCE:
renderFence(textureId,x,y,z,blockOffset,t);
break;
case FENCE_GATE:
renderFenceGate(textureId,x,y,z,blockOffset);
break;
case LEVER:
renderLever(textureId,x,y,z);
break;
case BUTTON:
renderButton(textureId,x,y,z);
break;
case PORTAL:
renderPortal(textureId,x,y,z,blockOffset,t);
break;
case THINSLICE:
renderThinslice(textureId,x,y,z);
break;
case BED:
renderBed(textureId,x,y,z);
break;
case TRAPDOOR:
renderTrapdoor(textureId,x,y,z);
break;
case PISTON_BODY:
renderPistonBody(textureId,x,y,z,t);
break;
case PISTON_HEAD:
renderPistonHead(textureId,x,y,z,false,false);
break;
case CAKE:
renderCake(textureId,x,y,z);
break;
case VINE:
renderVine(textureId,x,y,z,blockOffset);
break;
case SOLID_PANE:
renderSolidPane(textureId,x,y,z,blockOffset,t);
break;
case CHEST:
renderChest(textureId,x,y,z,blockOffset,t);
break;
case HALFHEIGHT:
renderHalfHeight(textureId,x,y,z,blockOffset);
break;
case SEMISOLID:
renderSemisolid(textureId,x,y,z,blockOffset,t);
break;
case WATER:
renderWater(textureId,x,y,z,blockOffset,t);
break;
case NORMAL:
case HUGE_MUSHROOM:
default:
north_t = textureId;
south_t = textureId;
west_t = textureId;
east_t = textureId;
top_t = textureId;
bottom_t = textureId;
// Huge Mushrooms are special-case since keeping the data in YAML seemed
// like far too much work at the time. Keeping them there does technically
// make more sense, so we should do that eventually.
// TODO: That ^
if (block.type == BLOCK_TYPE.HUGE_MUSHROOM)
{
data = getData(x, y, z);
switch (data)
{
case 0:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
top_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 1:
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 2:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 3:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 4:
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 5:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 6:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 7:
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 8:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 9:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
case 10:
north_t = TEX_HUGE_MUSHROOM_STEM + tex_offset;
south_t = TEX_HUGE_MUSHROOM_STEM + tex_offset;
west_t = TEX_HUGE_MUSHROOM_STEM + tex_offset;
east_t = TEX_HUGE_MUSHROOM_STEM + tex_offset;
top_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
default:
north_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
south_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
west_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
east_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
top_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
bottom_t = TEX_HUGE_MUSHROOM_PORES + tex_offset;
break;
}
}
// Now assign the textures for each face, if we're supposed to
if (block.texture_dir_map != null)
{
data = getData(x, y, z);
BlockType.DIRECTION_ABS dir;
if (block.texture_dir_data_map != null && block.texture_dir_data_map.containsKey(data))
{
dir = block.texture_dir_data_map.get(data);
}
else
{
dir = BlockType.DIRECTION_ABS.NORTH;
}
switch (dir)
{
case NORTH:
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.FORWARD))
{
north_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.FORWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.BACKWARD))
{
south_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.BACKWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.SIDES))
{
west_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
east_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
}
break;
case SOUTH:
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.BACKWARD))
{
north_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.BACKWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.FORWARD))
{
south_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.FORWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.SIDES))
{
west_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
east_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
}
break;
case WEST:
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.SIDES))
{
north_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
south_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.FORWARD))
{
west_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.FORWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.BACKWARD))
{
east_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.BACKWARD) + tex_offset;
}
break;
case EAST:
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.SIDES))
{
north_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
south_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.SIDES) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.BACKWARD))
{
west_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.BACKWARD) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.FORWARD))
{
east_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.FORWARD) + tex_offset;
}
break;
}
// Top/Bottom doesn't depend on orientation, at least for anything currently in Minecraft.
// If Minecraft starts adding blocks that can be oriented Up or Down, we'll have to move
// this back into the case statement above
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.TOP))
{
top_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.TOP) + tex_offset;
}
if (block.texture_dir_map.containsKey(BlockType.DIRECTION_REL.BOTTOM))
{
bottom_t = block.texture_dir_map.get(BlockType.DIRECTION_REL.BOTTOM) + tex_offset;
}
}
// Finally, we're to the point of actually rendering the solid
if(!east) this.renderWestEast(east_t, worldX+x, y, worldZ+z);
if(!west) this.renderWestEast(west_t, worldX+x, y, worldZ+z+1);
if(!below) this.renderTopDown(bottom_t, worldX+x, y, worldZ+z);
if(!above) this.renderTopDown(top_t, worldX+x, y+1, worldZ+z);
if(!north) this.renderNorthSouth(north_t, worldX+x, y, worldZ+z);
if(!south) this.renderNorthSouth(south_t, worldX+x+1, y, worldZ+z);
}
}
}
}
}
}
/**
* Returns whether or not this chunk contains paintings (to avoid unnecessary texture-swapping)
*/
public boolean hasPaintings()
{
return !this.paintings.isEmpty();
}
/**
* Renders paintings into our world. Paintings are stored as Entities, not
* block-level data, so they have to be handled differently than everything else.
*/
public void renderPaintings()
{
PaintingInfo info;
float start_x;
float start_y;
float start_z;
float back_x;
float back_z;
float dX;
float dZ;
for (PaintingEntity painting : this.paintings)
{
info = MinecraftConstants.paintings.get(painting.name.toLowerCase());
if (info == null)
{
System.out.println("Unknown painting name: " + painting.name);
continue;
}
start_y = painting.tile_y + 0.5f + info.centery;
switch (painting.dir)
{
case 0x0:
// East
start_x = painting.tile_x + 0.5f + info.centerx;
start_z = painting.tile_z - 0.5f - TEX16;
back_x = start_x;
back_z = start_z + TEX32;
dX = -1;
dZ = 0;
break;
case 0x1:
// North
start_x = painting.tile_x - 0.5f - TEX16;
start_z = painting.tile_z - 0.5f - info.centerx;
back_x = start_x + TEX32;
back_z = start_z;
dX = 0;
dZ = 1;
break;
case 0x2:
// West
start_x = painting.tile_x - 0.5f - info.centerx;
start_z = painting.tile_z + 0.5f + TEX16;
back_x = start_x;
back_z = start_z - TEX32;
dX = 1;
dZ = 0;
break;
case 0x3:
default:
// South
start_x = painting.tile_x + 0.5f + TEX16;
start_z = painting.tile_z + 0.5f + info.centerx;
back_x = start_x - TEX32;
back_z = start_z;
dX = 0;
dZ = -1;
break;
}
// Draw the painting face
renderNonstandardVertical(info.offsetx, info.offsety, info.sizex_tex, info.sizey_tex,
start_x, start_y, start_z,
start_x + (dX*info.sizex), start_y-info.sizey, start_z + (dZ*info.sizex));
PaintingInfo backinfo = MinecraftConstants.paintingback;
// Back
renderNonstandardVertical(backinfo.offsetx, backinfo.offsety, info.sizex_tex, info.sizey_tex,
back_x, start_y, back_z,
back_x + (dX*info.sizex), start_y-info.sizey, back_z + (dZ*info.sizex));
// Sides
renderNonstandardVertical(backinfo.offsetx, backinfo.offsety, info.sizex_tex, info.sizey_tex,
start_x, start_y, start_z,
back_x, start_y-info.sizey, back_z);
renderNonstandardVertical(backinfo.offsetx, backinfo.offsety, info.sizex_tex, info.sizey_tex,
start_x + (dX*info.sizex), start_y, start_z + (dZ*info.sizex),
back_x + (dX*info.sizex), start_y-info.sizey, back_z + (dZ*info.sizex));
// Top/Bottom
renderNonstandardHorizontal(backinfo.offsetx, backinfo.offsety, info.sizex_tex, info.sizey_tex,
start_x, start_z,
back_x + (dX*info.sizex), back_z + (dZ*info.sizex),
start_y-info.sizey
);
renderNonstandardHorizontal(backinfo.offsetx, backinfo.offsety, info.sizex_tex, info.sizey_tex,
start_x, start_z,
back_x + (dX*info.sizex), back_z + (dZ*info.sizex),
start_y
);
}
}
public void renderSolid(boolean render_bedrock, boolean render_water, boolean highlight_explored) {
if(isDirty) {
GL11.glNewList(this.displayListNum, GL11.GL_COMPILE);
renderWorldSolids(render_bedrock, highlight_explored);
GL11.glEndList();
GL11.glNewList(this.transparentListNum, GL11.GL_COMPILE);
//GL11.glDepthMask(false);
renderWorldTransparents(render_water, highlight_explored);
//GL11.glDepthMask(true);
GL11.glEndList();
this.isDirty = false;
}
GL11.glCallList(this.displayListNum);
}
public void renderTransparency() {
GL11.glCallList(this.transparentListNum);
}
public void renderSelected(boolean[] selectedMap) {
if(isSelectedDirty) {
GL11.glNewList(this.selectedDisplayListNum, GL11.GL_COMPILE);
renderWorldSelected(selectedMap);
GL11.glEndList();
this.isSelectedDirty = false;
}
GL11.glCallList(this.selectedDisplayListNum);
}
}