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 static org.lwjgl.opengl.GL11.GL_TEXTURE_2D;
018
019 import java.awt.Graphics2D;
020 import java.awt.image.BufferedImage;
021 import java.awt.image.ImageObserver;
022
023 import net.minecraft.client.renderer.RenderEngine;
024
025 import org.lwjgl.opengl.GL11;
026
027 import cpw.mods.fml.client.FMLClientHandler;
028 import cpw.mods.fml.client.FMLTextureFX;
029
030 public class ModTextureStatic extends FMLTextureFX
031 {
032 private boolean oldanaglyph = false;
033 private int[] pixels = null;
034 private String targetTex = null;
035 private int storedSize;
036 private BufferedImage overrideData = null;
037 private int needApply = 10;
038
039
040 public ModTextureStatic(int icon, int target, BufferedImage image)
041 {
042 this(icon, 1, target, image);
043 }
044
045 public ModTextureStatic(int icon, int size, int target, BufferedImage image)
046 {
047 this(icon, size, (target == 0 ? "/terrain.png" : "/gui/items.png"), image);
048 }
049
050 public ModTextureStatic(int icon, int size, String target, BufferedImage image)
051 {
052 super(icon);
053 RenderEngine re = FMLClientHandler.instance().getClient().renderEngine;
054
055 targetTex = target;
056 storedSize = size;
057 tileSize = size;
058 tileImage = re.getTexture(target);
059 overrideData = image;
060 }
061
062 @Override
063 public void setup()
064 {
065 super.setup();
066 int sWidth = overrideData.getWidth();
067 int sHeight = overrideData.getHeight();
068
069 pixels = new int[tileSizeSquare];
070 if (tileSizeBase == sWidth && tileSizeBase == sHeight)
071 {
072 overrideData.getRGB(0, 0, sWidth, sHeight, pixels, 0, sWidth);
073 }
074 else
075 {
076 BufferedImage tmp = new BufferedImage(tileSizeBase, tileSizeBase, 6);
077 Graphics2D gfx = tmp.createGraphics();
078 gfx.drawImage(overrideData, 0, 0, tileSizeBase, tileSizeBase, 0, 0, sWidth, sHeight, (ImageObserver)null);
079 tmp.getRGB(0, 0, tileSizeBase, tileSizeBase, pixels, 0, tileSizeBase);
080 gfx.dispose();
081 }
082
083 update();
084 }
085
086 @Override
087 public void onTick()
088 {
089 if (oldanaglyph != anaglyphEnabled)
090 {
091 update();
092 }
093 // This makes it so we only apply the texture to the target texture when we need to,
094 //due to the fact that update is called when the Effect is first registered, we actually
095 //need to wait for the next one.
096 tileSize = (needApply == 0 ? 0 : storedSize);
097 if (needApply > 0)
098 {
099 needApply--;
100 }
101 }
102
103 @Override
104 public void bindImage(RenderEngine par1RenderEngine)
105 {
106 GL11.glBindTexture(GL_TEXTURE_2D, par1RenderEngine.getTexture(targetTex));
107 }
108
109 public void update()
110 {
111 needApply = 10;
112 for (int idx = 0; idx < pixels.length; idx++)
113 {
114 int i = idx * 4;
115 int a = pixels[idx] >> 24 & 255;
116 int r = pixels[idx] >> 16 & 255;
117 int g = pixels[idx] >> 8 & 255;
118 int b = pixels[idx] >> 0 & 255;
119
120 if (anaglyphEnabled)
121 {
122 r = g = b = (r + g + b) / 3;
123 }
124
125 imageData[i + 0] = (byte)r;
126 imageData[i + 1] = (byte)g;
127 imageData[i + 2] = (byte)b;
128 imageData[i + 3] = (byte)a;
129 }
130
131 oldanaglyph = anaglyphEnabled;
132 }
133
134 //Implementation of http://scale2x.sourceforge.net/algorithm.html
135 public static BufferedImage scale2x(BufferedImage image)
136 {
137 int w = image.getWidth();
138 int h = image.getHeight();
139 BufferedImage tmp = new BufferedImage(w * 2, h * 2, 2);
140
141 for (int x = 0; x < h; ++x)
142 {
143 int x2 = x * 2;
144 for (int y = 0; y < w; ++y)
145 {
146 int y2 = y * 2;
147 int E = image.getRGB(y, x);
148 int D = (x == 0 ? E : image.getRGB(y, x - 1));
149 int B = (y == 0 ? E : image.getRGB(y - 1, x ));
150 int H = (y >= w - 1 ? E : image.getRGB(y + 1, x ));
151 int F = (x >= h - 1 ? E : image.getRGB(y, x + 1));
152
153 int e0, e1, e2, e3;
154
155 if (B != H && D != F)
156 {
157 e0 = D == B ? D : E;
158 e1 = B == F ? F : E;
159 e2 = D == H ? D : E;
160 e3 = H == F ? F : E;
161 }
162 else
163 {
164 e0 = e1 = e2 = e3 = E;
165 }
166
167 tmp.setRGB(y2, x2, e0);
168 tmp.setRGB(y2 + 1, x2, e1);
169 tmp.setRGB(y2, x2 + 1, e2);
170 tmp.setRGB(y2 + 1, x2 + 1, e3);
171 }
172 }
173
174 return tmp;
175 }
176
177
178 @Override
179 public String toString()
180 {
181 return String.format("ModTextureStatic %s @ %d", targetTex, iconIndex);
182 }
183 }