102 lines
3.6 KiB
Java
102 lines
3.6 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2018.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.debug.util;
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import net.minecraft.client.renderer.texture.TextureMap;
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import net.minecraftforge.client.event.TextureStitchEvent;
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import net.minecraftforge.common.MinecraftForge;
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import net.minecraftforge.fml.common.Mod;
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import net.minecraftforge.fml.event.FMLPreInitializationEvent;
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import net.minecraftforge.eventbus.api.SubscribeEvent;
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import org.apache.logging.log4j.Logger;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.opengl.GL11;
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import org.lwjgl.opengl.GL12;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.nio.IntBuffer;
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@Mod(modid = TextureDumper.MODID, name = "Forge Texture Atlas Dump", version = TextureDumper.VERSION, clientSideOnly = true)
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public class TextureDumper
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{
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public static final String MODID = "forge_texture_dump";
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public static final String VERSION = "1.0";
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public static final boolean ENABLE = false;
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private static Logger logger;
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@Mod.EventHandler
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public void preInit(FMLPreInitializationEvent event)
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{
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if (ENABLE)
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{
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logger = event.getModLog();
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MinecraftForge.EVENT_BUS.register(this);
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}
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}
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@SubscribeEvent
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public void postTextureStitch(TextureStitchEvent.Post e) throws Exception
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{
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TextureMap map = e.getMap();
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String name = map.getBasePath().replace('/', '_');
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int mip = map.getMipmapLevels();
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saveGlTexture(name, map.getGlTextureId(), mip);
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}
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public static void saveGlTexture(String name, int textureId, int mipmapLevels)
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{
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GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
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GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
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GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
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for (int level = 0; level <= mipmapLevels; level++)
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{
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int width = GL11.glGetTexLevelParameteri(GL11.GL_TEXTURE_2D, level, GL11.GL_TEXTURE_WIDTH);
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int height = GL11.glGetTexLevelParameteri(GL11.GL_TEXTURE_2D, level, GL11.GL_TEXTURE_HEIGHT);
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int size = width * height;
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BufferedImage bufferedimage = new BufferedImage(width, height, 2);
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File output = new File("texture_atlas_dump_" + name + "_mipmap_" + level + ".png");
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IntBuffer buffer = BufferUtils.createIntBuffer(size);
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int[] data = new int[size];
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GL11.glGetTexImage(GL11.GL_TEXTURE_2D, level, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV, buffer);
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buffer.get(data);
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bufferedimage.setRGB(0, 0, width, height, data, 0, width);
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try
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{
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ImageIO.write(bufferedimage, "png", output);
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logger.info("Exported png to: {}", output.getAbsolutePath());
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}
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catch (IOException ioexception)
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{
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logger.info("Unable to write: ", ioexception);
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}
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}
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}
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}
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