Java tutorial
/** Copyright (C) 2014 by jabelar This file is part of jabelar's Minecraft Forge modding examples; as such, you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. For a copy of the GNU General Public License see <http://www.gnu.org/licenses/>. */ package com.blogspot.jabelarminecraft.wildanimals.renderers; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.entity.Render; import net.minecraft.entity.Entity; import net.minecraft.util.MathHelper; import net.minecraft.util.ResourceLocation; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; import com.blogspot.jabelarminecraft.wildanimals.WildAnimals; import com.blogspot.jabelarminecraft.wildanimals.entities.eggs.EntityWildAnimalsEgg; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; /** * @author jabelar * */ @SideOnly(Side.CLIENT) public class RenderThrowableSpawnEgg extends Render { protected static final ResourceLocation eggTextures = new ResourceLocation( WildAnimals.MODID + ":" + "textures/items/spawn_egg.png"); /** * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic * (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1, * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that. */ public void doRender(EntityWildAnimalsEgg parEntityWildAnimalsEgg, double parPosX, double parPosY, double parPosZ, float p_76986_8_, float parTweenFactor) { bindEntityTexture(parEntityWildAnimalsEgg); GL11.glPushMatrix(); GL11.glTranslatef((float) parPosX, (float) parPosY, (float) parPosZ); GL11.glRotatef(parEntityWildAnimalsEgg.prevRotationYaw + (parEntityWildAnimalsEgg.rotationYaw - parEntityWildAnimalsEgg.prevRotationYaw) * parTweenFactor - 90.0F, 0.0F, 1.0F, 0.0F); GL11.glRotatef(parEntityWildAnimalsEgg.prevRotationPitch + (parEntityWildAnimalsEgg.rotationPitch - parEntityWildAnimalsEgg.prevRotationPitch) * parTweenFactor, 0.0F, 0.0F, 1.0F); Tessellator tessellator = Tessellator.instance; byte b0 = 0; float f2 = 0.0F; float f3 = 0.5F; float f4 = 0.0F; float f5 = 5 / 32.0F; float f6 = 0.0F; float f7 = 0.15625F; float f8 = 5 / 32.0F; float f9 = 10 / 32.0F; float scaleFactor = 0.05625F; GL11.glEnable(GL12.GL_RESCALE_NORMAL); float f11 = -parTweenFactor; if (f11 > 0.0F) { float f12 = -MathHelper.sin(f11 * 3.0F) * f11; GL11.glRotatef(f12, 0.0F, 0.0F, 1.0F); } GL11.glRotatef(45.0F, 1.0F, 0.0F, 0.0F); GL11.glScalef(scaleFactor, scaleFactor, scaleFactor); GL11.glTranslatef(-4.0F, 0.0F, 0.0F); GL11.glNormal3f(scaleFactor, 0.0F, 0.0F); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, f6, f8); tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, f7, f8); tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, f7, f9); tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, f6, f9); tessellator.draw(); GL11.glNormal3f(-scaleFactor, 0.0F, 0.0F); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, f6, f8); tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, f7, f8); tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, f7, f9); tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, f6, f9); tessellator.draw(); for (int i = 0; i < 4; ++i) { GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F); GL11.glNormal3f(0.0F, 0.0F, scaleFactor); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-8.0D, -2.0D, 0.0D, f2, f4); tessellator.addVertexWithUV(8.0D, -2.0D, 0.0D, f3, f4); tessellator.addVertexWithUV(8.0D, 2.0D, 0.0D, f3, f5); tessellator.addVertexWithUV(-8.0D, 2.0D, 0.0D, f2, f5); tessellator.draw(); } GL11.glDisable(GL12.GL_RESCALE_NORMAL); GL11.glPopMatrix(); } /** * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture. */ protected ResourceLocation getEntityTexture(EntityWildAnimalsEgg parEntityWildAnimalsEgg) { return eggTextures; } /** * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture. */ @Override protected ResourceLocation getEntityTexture(Entity parEntity) { return getEntityTexture((EntityWildAnimalsEgg) parEntity); } /** * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic * (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1, * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that. */ @Override public void doRender(Entity parEntity, double parPosX, double parPosY, double parPosZ, float p_76986_8_, float parTweenFactor) { doRender((EntityWildAnimalsEgg) parEntity, parPosX, parPosY, parPosZ, p_76986_8_, parTweenFactor); } }