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 /** 020 * Renders the Minecart. 021 */ 022 public void renderTheMinecart(EntityMinecart par1EntityMinecart, double par2, double par4, double par6, float par8, float par9) 023 { 024 GL11.glPushMatrix(); 025 long var10 = (long)par1EntityMinecart.entityId * 493286711L; 026 var10 = var10 * var10 * 4392167121L + var10 * 98761L; 027 float var12 = (((float)(var10 >> 16 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 028 float var13 = (((float)(var10 >> 20 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 029 float var14 = (((float)(var10 >> 24 & 7L) + 0.5F) / 8.0F - 0.5F) * 0.004F; 030 GL11.glTranslatef(var12, var13, var14); 031 double var15 = par1EntityMinecart.lastTickPosX + (par1EntityMinecart.posX - par1EntityMinecart.lastTickPosX) * (double)par9; 032 double var17 = par1EntityMinecart.lastTickPosY + (par1EntityMinecart.posY - par1EntityMinecart.lastTickPosY) * (double)par9; 033 double var19 = par1EntityMinecart.lastTickPosZ + (par1EntityMinecart.posZ - par1EntityMinecart.lastTickPosZ) * (double)par9; 034 double var21 = 0.30000001192092896D; 035 Vec3 var23 = par1EntityMinecart.func_70489_a(var15, var17, var19); 036 float var24 = par1EntityMinecart.prevRotationPitch + (par1EntityMinecart.rotationPitch - par1EntityMinecart.prevRotationPitch) * par9; 037 038 if (var23 != null) 039 { 040 Vec3 var25 = par1EntityMinecart.func_70495_a(var15, var17, var19, var21); 041 Vec3 var26 = par1EntityMinecart.func_70495_a(var15, var17, var19, -var21); 042 043 if (var25 == null) 044 { 045 var25 = var23; 046 } 047 048 if (var26 == null) 049 { 050 var26 = var23; 051 } 052 053 par2 += var23.xCoord - var15; 054 par4 += (var25.yCoord + var26.yCoord) / 2.0D - var17; 055 par6 += var23.zCoord - var19; 056 Vec3 var27 = var26.addVector(-var25.xCoord, -var25.yCoord, -var25.zCoord); 057 058 if (var27.lengthVector() != 0.0D) 059 { 060 var27 = var27.normalize(); 061 par8 = (float)(Math.atan2(var27.zCoord, var27.xCoord) * 180.0D / Math.PI); 062 var24 = (float)(Math.atan(var27.yCoord) * 73.0D); 063 } 064 } 065 066 GL11.glTranslatef((float)par2, (float)par4, (float)par6); 067 GL11.glRotatef(180.0F - par8, 0.0F, 1.0F, 0.0F); 068 GL11.glRotatef(-var24, 0.0F, 0.0F, 1.0F); 069 float var28 = (float)par1EntityMinecart.func_70496_j() - par9; 070 float var30 = (float)par1EntityMinecart.getDamage() - par9; 071 072 if (var30 < 0.0F) 073 { 074 var30 = 0.0F; 075 } 076 077 if (var28 > 0.0F) 078 { 079 GL11.glRotatef(MathHelper.sin(var28) * var28 * var30 / 10.0F * (float)par1EntityMinecart.func_70493_k(), 1.0F, 0.0F, 0.0F); 080 } 081 082 if (par1EntityMinecart.minecartType != 0) 083 { 084 this.loadTexture("/terrain.png"); 085 float var29 = 0.75F; 086 GL11.glScalef(var29, var29, var29); 087 088 if (par1EntityMinecart.minecartType == 1) 089 { 090 GL11.glTranslatef(0.0F, 0.5F, 0.0F); 091 (new RenderBlocks()).renderBlockAsItem(Block.chest, 0, par1EntityMinecart.getBrightness(par9)); 092 GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F); 093 GL11.glTranslatef(0.5F, 0.0F, -0.5F); 094 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 095 } 096 else if (par1EntityMinecart.minecartType == 2) 097 { 098 GL11.glTranslatef(0.0F, 0.3125F, 0.0F); 099 (new RenderBlocks()).renderBlockAsItem(Block.stoneOvenIdle, 0, par1EntityMinecart.getBrightness(par9)); 100 GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F); 101 GL11.glTranslatef(0.0F, -0.3125F, 0.0F); 102 GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F); 103 } 104 105 GL11.glScalef(1.0F / var29, 1.0F / var29, 1.0F / var29); 106 } 107 108 this.loadTexture("/item/cart.png"); 109 GL11.glScalef(-1.0F, -1.0F, 1.0F); 110 this.modelMinecart.render(par1EntityMinecart, 0.0F, 0.0F, -0.1F, 0.0F, 0.0F, 0.0625F); 111 GL11.glPopMatrix(); 112 } 113 114 /** 115 * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then 116 * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic 117 * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1, 118 * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that. 119 */ 120 public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9) 121 { 122 this.renderTheMinecart((EntityMinecart)par1Entity, par2, par4, par6, par8, par9); 123 } 124 }