001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import org.lwjgl.opengl.GL11; 006 007 @SideOnly(Side.CLIENT) 008 public class RenderMinecart extends Render 009 { 010 /** instance of ModelMinecart for rendering */ 011 protected ModelBase modelMinecart; 012 013 public RenderMinecart() 014 { 015 this.shadowSize = 0.5F; 016 this.modelMinecart = new ModelMinecart(); 017 } 018 019 public void func_77012_a(EntityMinecart par1EntityMinecart, double par2, double par4, double par6, float par8, float par9) 020 { 021 GL11.glPushMatrix(); 022 long var10 = (long)par1EntityMinecart.entityId * 493286711L; 023 var10 = var10 * var10 * 4392167121L + var10 * 98761L; 024 float var12 = (((float)(var10 >> 16 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 025 float var13 = (((float)(var10 >> 20 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 026 float var14 = (((float)(var10 >> 24 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 027 GL11.glTranslatef(var12, var13, var14); 028 double var15 = par1EntityMinecart.lastTickPosX + (par1EntityMinecart.posX - par1EntityMinecart.lastTickPosX) * (double)par9; 029 double var17 = par1EntityMinecart.lastTickPosY + (par1EntityMinecart.posY - par1EntityMinecart.lastTickPosY) * (double)par9; 030 double var19 = par1EntityMinecart.lastTickPosZ + (par1EntityMinecart.posZ - par1EntityMinecart.lastTickPosZ) * (double)par9; 031 double var21 = 0.30000001192092896D; 032 Vec3 var23 = par1EntityMinecart.func_70489_a(var15, var17, var19); 033 float var24 = par1EntityMinecart.prevRotationPitch + (par1EntityMinecart.rotationPitch - par1EntityMinecart.prevRotationPitch) * par9; 034 035 if (var23 != null) 036 { 037 Vec3 var25 = par1EntityMinecart.func_70495_a(var15, var17, var19, var21); 038 Vec3 var26 = par1EntityMinecart.func_70495_a(var15, var17, var19, -var21); 039 040 if (var25 == null) 041 { 042 var25 = var23; 043 } 044 045 if (var26 == null) 046 { 047 var26 = var23; 048 } 049 050 par2 += var23.xCoord - var15; 051 par4 += (var25.yCoord + var26.yCoord) / 2.0D - var17; 052 par6 += var23.zCoord - var19; 053 Vec3 var27 = var26.addVector(-var25.xCoord, -var25.yCoord, -var25.zCoord); 054 055 if (var27.lengthVector() != 0.0D) 056 { 057 var27 = var27.normalize(); 058 par8 = (float)(Math.atan2(var27.zCoord, var27.xCoord) * 180.0D / Math.PI); 059 var24 = (float)(Math.atan(var27.yCoord) * 73.0D); 060 } 061 } 062 063 GL11.glTranslatef((float)par2, (float)par4, (float)par6); 064 GL11.glRotatef(180.0F - par8, 0.0F, 1.0F, 0.0F); 065 GL11.glRotatef(-var24, 0.0F, 0.0F, 1.0F); 066 float var28 = (float)par1EntityMinecart.func_70496_j() - par9; 067 float var30 = (float)par1EntityMinecart.getDamage() - par9; 068 069 if (var30 < 0.0F) 070 { 071 var30 = 0.0F; 072 } 073 074 if (var28 > 0.0F) 075 { 076 GL11.glRotatef(MathHelper.sin(var28) * var28 * var30 / 10.0F * (float)par1EntityMinecart.func_70493_k(), 1.0F, 0.0F, 0.0F); 077 } 078 079 if (par1EntityMinecart.minecartType != 0) 080 { 081 this.loadTexture("/terrain.png"); 082 float var29 = 0.75F; 083 GL11.glScalef(var29, var29, var29); 084 085 if (par1EntityMinecart.minecartType == 1) 086 { 087 GL11.glTranslatef(0.0F, 0.5F, 0.0F); 088 (new RenderBlocks()).renderBlockAsItem(Block.chest, 0, par1EntityMinecart.getBrightness(par9)); 089 GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F); 090 GL11.glTranslatef(0.5F, 0.0F, -0.5F); 091 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 092 } 093 else if (par1EntityMinecart.minecartType == 2) 094 { 095 GL11.glTranslatef(0.0F, 0.3125F, 0.0F); 096 (new RenderBlocks()).renderBlockAsItem(Block.stoneOvenIdle, 0, par1EntityMinecart.getBrightness(par9)); 097 GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F); 098 GL11.glTranslatef(0.0F, -0.3125F, 0.0F); 099 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 100 } 101 102 GL11.glScalef(1.0F / var29, 1.0F / var29, 1.0F / var29); 103 } 104 105 this.loadTexture("/item/cart.png"); 106 GL11.glScalef(-1.0F, -1.0F, 1.0F); 107 this.modelMinecart.render(par1EntityMinecart, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F); 108 GL11.glPopMatrix(); 109 } 110 111 /** 112 * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then 113 * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic 114 * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1, 115 * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that. 116 */ 117 public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9) 118 { 119 this.func_77012_a((EntityMinecart)par1Entity, par2, par4, par6, par8, par9); 120 } 121 }