Java tutorial
// Copyright 2012-2014 Matthew Karcz // // This file is part of The Rediscovered Mod. // // The Rediscovered Mod is free software: 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. // // The Rediscovered Mod 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. // // You should have received a copy of the GNU General Public License // along with The Rediscovered Mod. If not, see <http://www.gnu.org/licenses/>. package RediscoveredMod; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import net.minecraft.client.renderer.Tessellator; import net.minecraft.client.renderer.entity.Render; import net.minecraft.entity.Entity; import net.minecraft.entity.projectile.EntityArrow; import net.minecraft.util.MathHelper; import net.minecraft.util.ResourceLocation; import org.lwjgl.opengl.GL11; import org.lwjgl.opengl.GL12; @SideOnly(Side.CLIENT) public class RenderParrow extends Render { private static final ResourceLocation field_110780_a = new ResourceLocation( mod_Rediscovered.modid + ":" + "textures/models/parrow.png"); public void renderArrow(EntityParrow par1EntityParrow, double par2, double par4, double par6, float par8, float par9) { this.bindEntityTexture(par1EntityParrow); GL11.glPushMatrix(); GL11.glTranslatef((float) par2, (float) par4, (float) par6); GL11.glRotatef( par1EntityParrow.prevRotationYaw + (par1EntityParrow.rotationYaw - par1EntityParrow.prevRotationYaw) * par9 - 90.0F, 0.0F, 1.0F, 0.0F); GL11.glRotatef( par1EntityParrow.prevRotationPitch + (par1EntityParrow.rotationPitch - par1EntityParrow.prevRotationPitch) * par9, 0.0F, 0.0F, 1.0F); Tessellator tessellator = Tessellator.instance; byte b0 = 0; float f2 = 0.0F; float f3 = 0.5F; float f4 = (float) (0 + b0 * 10) / 32.0F; float f5 = (float) (5 + b0 * 10) / 32.0F; float f6 = 0.0F; float f7 = 0.15625F; float f8 = (float) (5 + b0 * 10) / 32.0F; float f9 = (float) (10 + b0 * 10) / 32.0F; float f10 = 0.05625F; GL11.glEnable(GL12.GL_RESCALE_NORMAL); float f11 = (float) par1EntityParrow.arrowShake - par9; 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(f10, f10, f10); GL11.glTranslatef(-4.0F, 0.0F, 0.0F); GL11.glNormal3f(f10, 0.0F, 0.0F); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double) f6, (double) f8); tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double) f7, (double) f8); tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double) f7, (double) f9); tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double) f6, (double) f9); tessellator.draw(); GL11.glNormal3f(-f10, 0.0F, 0.0F); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double) f6, (double) f8); tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double) f7, (double) f8); tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double) f7, (double) f9); tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double) f6, (double) 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, f10); tessellator.startDrawingQuads(); tessellator.addVertexWithUV(-8.0D, -2.0D, 0.0D, (double) f2, (double) f4); tessellator.addVertexWithUV(8.0D, -2.0D, 0.0D, (double) f3, (double) f4); tessellator.addVertexWithUV(8.0D, 2.0D, 0.0D, (double) f3, (double) f5); tessellator.addVertexWithUV(-8.0D, 2.0D, 0.0D, (double) f2, (double) f5); tessellator.draw(); } GL11.glDisable(GL12.GL_RESCALE_NORMAL); GL11.glPopMatrix(); } protected ResourceLocation getArrowTextures(EntityParrow par1EntityArrow) { return field_110780_a; } /** * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture. */ protected ResourceLocation getEntityTexture(Entity par1Entity) { return this.getArrowTextures((EntityParrow) par1Entity); } /** * 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 doRender(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(Entity par1Entity, double par2, double par4, double par6, float par8, float par9) { this.renderArrow((EntityParrow) par1Entity, par2, par4, par6, par8, par9); } }