001 /*
002 * The FML Forge Mod Loader suite.
003 * Copyright (C) 2012 cpw
004 *
005 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free
006 * Software Foundation; either version 2.1 of the License, or any later version.
007 *
008 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
009 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
010 *
011 * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51
012 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
013 */
014
015 package net.minecraft.src;
016
017 import java.awt.Graphics2D;
018 import java.awt.image.BufferedImage;
019 import java.awt.image.ImageObserver;
020
021 import net.minecraft.client.renderer.RenderEngine;
022
023 import org.lwjgl.opengl.GL11;
024
025 import cpw.mods.fml.client.FMLClientHandler;
026 import cpw.mods.fml.client.FMLTextureFX;
027
028 /**
029 * A texture override for animations, it takes a vertical image of
030 * texture frames and constantly rotates them in the texture.
031 */
032 public class ModTextureAnimation extends FMLTextureFX
033 {
034 private final int tickRate;
035 private byte[][] images;
036 private int index = 0;
037 private int ticks = 0;
038
039 private String targetTex = null;
040 private BufferedImage imgData = null;
041
042 public ModTextureAnimation(int icon, int target, BufferedImage image, int tickCount)
043 {
044 this(icon, 1, target, image, tickCount);
045 }
046
047 public ModTextureAnimation(int icon, int size, int target, BufferedImage image, int tickCount)
048 {
049 this(icon, size, (target == 0 ? "/terrain.png" : "/gui/items.png"), image, tickCount);
050 }
051
052 public ModTextureAnimation(int icon, int size, String target, BufferedImage image, int tickCount)
053 {
054 super(icon);
055 RenderEngine re = FMLClientHandler.instance().getClient().renderEngine;
056
057 targetTex = target;
058 tileSize = size;
059 tileImage = re.getTexture(target);
060
061 tickRate = tickCount;
062 ticks = tickCount;
063 imgData = image;
064 }
065
066 @Override
067 public void setup()
068 {
069 super.setup();
070
071 int sWidth = imgData.getWidth();
072 int sHeight = imgData.getHeight();
073 int tWidth = tileSizeBase;
074 int tHeight = tileSizeBase;
075
076
077 int frames = (int)Math.floor((double)(sHeight / sWidth));
078
079 if (frames < 1)
080 {
081 throw new IllegalArgumentException(String.format("Attempted to create a TextureAnimation with no complete frames: %dx%d", sWidth, sHeight));
082 }
083 else
084 {
085 images = new byte[frames][];
086 BufferedImage image = imgData;
087
088 if (sWidth != tWidth)
089 {
090 BufferedImage b = new BufferedImage(tWidth, tHeight * frames, 6);
091 Graphics2D g = b.createGraphics();
092 g.drawImage(imgData, 0, 0, tWidth, tHeight * frames, 0, 0, sWidth, sHeight, (ImageObserver)null);
093 g.dispose();
094 image = b;
095 }
096
097 for (int frame = 0; frame < frames; frame++)
098 {
099 int[] pixels = new int[tileSizeSquare];
100 image.getRGB(0, tHeight * frame, tWidth, tHeight, pixels, 0, tWidth);
101 images[frame] = new byte[tileSizeSquare << 2];
102
103 for (int i = 0; i < pixels.length; i++)
104 {
105 int i4 = i * 4;
106 images[frame][i4 + 0] = (byte)(pixels[i] >> 16 & 255);
107 images[frame][i4 + 1] = (byte)(pixels[i] >> 8 & 255);
108 images[frame][i4 + 2] = (byte)(pixels[i] >> 0 & 255);
109 images[frame][i4 + 3] = (byte)(pixels[i] >> 24 & 255);
110 }
111 }
112 }
113 }
114
115 public void onTick()
116 {
117 if (++ticks >= tickRate)
118 {
119 if (++index >= images.length)
120 {
121 index = 0;
122 }
123
124 imageData = images[index];
125 ticks = 0;
126 }
127 }
128
129 public void bindImage(RenderEngine renderEngine)
130 {
131 GL11.glBindTexture(GL11.GL_TEXTURE_2D, tileImage);
132 }
133
134 // TODO: REMOVE THIS - just for you dan200
135 @Deprecated
136 public void func_783_a()
137 {
138 onTick();
139 }
140
141 }