001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.HashMap;
006    import java.util.Iterator;
007    import java.util.Map;
008    import org.lwjgl.opengl.GL11;
009    
010    @SideOnly(Side.CLIENT)
011    public class RenderManager
012    {
013        /** A map of entity classes and the associated renderer. */
014        public Map entityRenderMap = new HashMap();
015    
016        /** The static instance of RenderManager. */
017        public static RenderManager instance = new RenderManager();
018    
019        /** Renders fonts */
020        private FontRenderer fontRenderer;
021        public static double renderPosX;
022        public static double renderPosY;
023        public static double renderPosZ;
024        public RenderEngine renderEngine;
025        public ItemRenderer itemRenderer;
026    
027        /** Reference to the World object. */
028        public World worldObj;
029    
030        /** Rendermanager's variable for the player */
031        public EntityLiving livingPlayer;
032        public float playerViewY;
033        public float playerViewX;
034    
035        /** Reference to the GameSettings object. */
036        public GameSettings options;
037        public double viewerPosX;
038        public double viewerPosY;
039        public double viewerPosZ;
040        public static boolean field_85095_o = false;
041    
042        private RenderManager()
043        {
044            this.entityRenderMap.put(EntitySpider.class, new RenderSpider());
045            this.entityRenderMap.put(EntityCaveSpider.class, new RenderSpider());
046            this.entityRenderMap.put(EntityPig.class, new RenderPig(new ModelPig(), new ModelPig(0.5F), 0.7F));
047            this.entityRenderMap.put(EntitySheep.class, new RenderSheep(new ModelSheep2(), new ModelSheep1(), 0.7F));
048            this.entityRenderMap.put(EntityCow.class, new RenderCow(new ModelCow(), 0.7F));
049            this.entityRenderMap.put(EntityMooshroom.class, new RenderMooshroom(new ModelCow(), 0.7F));
050            this.entityRenderMap.put(EntityWolf.class, new RenderWolf(new ModelWolf(), new ModelWolf(), 0.5F));
051            this.entityRenderMap.put(EntityChicken.class, new RenderChicken(new ModelChicken(), 0.3F));
052            this.entityRenderMap.put(EntityOcelot.class, new RenderOcelot(new ModelOcelot(), 0.4F));
053            this.entityRenderMap.put(EntitySilverfish.class, new RenderSilverfish());
054            this.entityRenderMap.put(EntityCreeper.class, new RenderCreeper());
055            this.entityRenderMap.put(EntityEnderman.class, new RenderEnderman());
056            this.entityRenderMap.put(EntitySnowman.class, new RenderSnowMan());
057            this.entityRenderMap.put(EntitySkeleton.class, new RenderSkeleton());
058            this.entityRenderMap.put(EntityWitch.class, new RenderWitch());
059            this.entityRenderMap.put(EntityBlaze.class, new RenderBlaze());
060            this.entityRenderMap.put(EntityZombie.class, new RenderZombie());
061            this.entityRenderMap.put(EntitySlime.class, new RenderSlime(new ModelSlime(16), new ModelSlime(0), 0.25F));
062            this.entityRenderMap.put(EntityMagmaCube.class, new RenderMagmaCube());
063            this.entityRenderMap.put(EntityPlayer.class, new RenderPlayer());
064            this.entityRenderMap.put(EntityGiantZombie.class, new RenderGiantZombie(new ModelZombie(), 0.5F, 6.0F));
065            this.entityRenderMap.put(EntityGhast.class, new RenderGhast());
066            this.entityRenderMap.put(EntitySquid.class, new RenderSquid(new ModelSquid(), 0.7F));
067            this.entityRenderMap.put(EntityVillager.class, new RenderVillager());
068            this.entityRenderMap.put(EntityIronGolem.class, new RenderIronGolem());
069            this.entityRenderMap.put(EntityLiving.class, new RenderLiving(new ModelBiped(), 0.5F));
070            this.entityRenderMap.put(EntityBat.class, new RenderBat());
071            this.entityRenderMap.put(EntityDragon.class, new RenderDragon());
072            this.entityRenderMap.put(EntityEnderCrystal.class, new RenderEnderCrystal());
073            this.entityRenderMap.put(EntityWither.class, new RenderWither());
074            this.entityRenderMap.put(Entity.class, new RenderEntity());
075            this.entityRenderMap.put(EntityPainting.class, new RenderPainting());
076            this.entityRenderMap.put(EntityItemFrame.class, new RenderItemFrame());
077            this.entityRenderMap.put(EntityArrow.class, new RenderArrow());
078            this.entityRenderMap.put(EntitySnowball.class, new RenderSnowball(Item.snowball.getIconFromDamage(0)));
079            this.entityRenderMap.put(EntityEnderPearl.class, new RenderSnowball(Item.enderPearl.getIconFromDamage(0)));
080            this.entityRenderMap.put(EntityEnderEye.class, new RenderSnowball(Item.eyeOfEnder.getIconFromDamage(0)));
081            this.entityRenderMap.put(EntityEgg.class, new RenderSnowball(Item.egg.getIconFromDamage(0)));
082            this.entityRenderMap.put(EntityPotion.class, new RenderSnowball(154));
083            this.entityRenderMap.put(EntityExpBottle.class, new RenderSnowball(Item.expBottle.getIconFromDamage(0)));
084            this.entityRenderMap.put(EntityLargeFireball.class, new RenderFireball(2.0F));
085            this.entityRenderMap.put(EntitySmallFireball.class, new RenderFireball(0.5F));
086            this.entityRenderMap.put(EntityWitherSkull.class, new RenderWitherSkull());
087            this.entityRenderMap.put(EntityItem.class, new RenderItem());
088            this.entityRenderMap.put(EntityXPOrb.class, new RenderXPOrb());
089            this.entityRenderMap.put(EntityTNTPrimed.class, new RenderTNTPrimed());
090            this.entityRenderMap.put(EntityFallingSand.class, new RenderFallingSand());
091            this.entityRenderMap.put(EntityMinecart.class, new RenderMinecart());
092            this.entityRenderMap.put(EntityBoat.class, new RenderBoat());
093            this.entityRenderMap.put(EntityFishHook.class, new RenderFish());
094            this.entityRenderMap.put(EntityLightningBolt.class, new RenderLightningBolt());
095            Iterator var1 = this.entityRenderMap.values().iterator();
096    
097            while (var1.hasNext())
098            {
099                Render var2 = (Render)var1.next();
100                var2.setRenderManager(this);
101            }
102        }
103    
104        public Render getEntityClassRenderObject(Class par1Class)
105        {
106            Render var2 = (Render)this.entityRenderMap.get(par1Class);
107    
108            if (var2 == null && par1Class != Entity.class)
109            {
110                var2 = this.getEntityClassRenderObject(par1Class.getSuperclass());
111                this.entityRenderMap.put(par1Class, var2);
112            }
113    
114            return var2;
115        }
116    
117        public Render getEntityRenderObject(Entity par1Entity)
118        {
119            return this.getEntityClassRenderObject(par1Entity.getClass());
120        }
121    
122        /**
123         * Caches the current frame's active render info, including the current World, RenderEngine, GameSettings and
124         * FontRenderer settings, as well as interpolated player position, pitch and yaw.
125         */
126        public void cacheActiveRenderInfo(World par1World, RenderEngine par2RenderEngine, FontRenderer par3FontRenderer, EntityLiving par4EntityLiving, GameSettings par5GameSettings, float par6)
127        {
128            this.worldObj = par1World;
129            this.renderEngine = par2RenderEngine;
130            this.options = par5GameSettings;
131            this.livingPlayer = par4EntityLiving;
132            this.fontRenderer = par3FontRenderer;
133    
134            if (par4EntityLiving.isPlayerSleeping())
135            {
136                int x = MathHelper.floor_double(par4EntityLiving.posX);
137                int y = MathHelper.floor_double(par4EntityLiving.posY);
138                int z = MathHelper.floor_double(par4EntityLiving.posZ);
139                Block block = Block.blocksList[par1World.getBlockId(x, y, z)];
140    
141                if (block != null && block.isBed(par1World, x, y, z, par4EntityLiving))
142                {
143                    int var9 = block.getBedDirection(par1World, x, y, z);;
144                    this.playerViewY = (float)(var9 * 90 + 180);
145                    this.playerViewX = 0.0F;
146                }
147            }
148            else
149            {
150                this.playerViewY = par4EntityLiving.prevRotationYaw + (par4EntityLiving.rotationYaw - par4EntityLiving.prevRotationYaw) * par6;
151                this.playerViewX = par4EntityLiving.prevRotationPitch + (par4EntityLiving.rotationPitch - par4EntityLiving.prevRotationPitch) * par6;
152            }
153    
154            if (par5GameSettings.thirdPersonView == 2)
155            {
156                this.playerViewY += 180.0F;
157            }
158    
159            this.viewerPosX = par4EntityLiving.lastTickPosX + (par4EntityLiving.posX - par4EntityLiving.lastTickPosX) * (double)par6;
160            this.viewerPosY = par4EntityLiving.lastTickPosY + (par4EntityLiving.posY - par4EntityLiving.lastTickPosY) * (double)par6;
161            this.viewerPosZ = par4EntityLiving.lastTickPosZ + (par4EntityLiving.posZ - par4EntityLiving.lastTickPosZ) * (double)par6;
162        }
163    
164        /**
165         * Will render the specified entity at the specified partial tick time. Args: entity, partialTickTime
166         */
167        public void renderEntity(Entity par1Entity, float par2)
168        {
169            if (par1Entity.ticksExisted == 0)
170            {
171                par1Entity.lastTickPosX = par1Entity.posX;
172                par1Entity.lastTickPosY = par1Entity.posY;
173                par1Entity.lastTickPosZ = par1Entity.posZ;
174            }
175    
176            double var3 = par1Entity.lastTickPosX + (par1Entity.posX - par1Entity.lastTickPosX) * (double)par2;
177            double var5 = par1Entity.lastTickPosY + (par1Entity.posY - par1Entity.lastTickPosY) * (double)par2;
178            double var7 = par1Entity.lastTickPosZ + (par1Entity.posZ - par1Entity.lastTickPosZ) * (double)par2;
179            float var9 = par1Entity.prevRotationYaw + (par1Entity.rotationYaw - par1Entity.prevRotationYaw) * par2;
180            int var10 = par1Entity.getBrightnessForRender(par2);
181    
182            if (par1Entity.isBurning())
183            {
184                var10 = 15728880;
185            }
186    
187            int var11 = var10 % 65536;
188            int var12 = var10 / 65536;
189            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var11 / 1.0F, (float)var12 / 1.0F);
190            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
191            this.renderEntityWithPosYaw(par1Entity, var3 - renderPosX, var5 - renderPosY, var7 - renderPosZ, var9, par2);
192        }
193    
194        /**
195         * Renders the specified entity with the passed in position, yaw, and partialTickTime. Args: entity, x, y, z, yaw,
196         * partialTickTime
197         */
198        public void renderEntityWithPosYaw(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
199        {
200            Render var10 = null;
201    
202            try
203            {
204                var10 = this.getEntityRenderObject(par1Entity);
205    
206                if (var10 != null && this.renderEngine != null)
207                {
208                    if (field_85095_o)
209                    {
210                        try
211                        {
212                            this.func_85094_b(par1Entity, par2, par4, par6, par8, par9);
213                        }
214                        catch (Throwable var17)
215                        {
216                            throw new ReportedException(CrashReport.func_85055_a(var17, "Rendering entity hitbox in world"));
217                        }
218                    }
219    
220                    try
221                    {
222                        var10.doRender(par1Entity, par2, par4, par6, par8, par9);
223                    }
224                    catch (Throwable var16)
225                    {
226                        throw new ReportedException(CrashReport.func_85055_a(var16, "Rendering entity in world"));
227                    }
228    
229                    try
230                    {
231                        var10.doRenderShadowAndFire(par1Entity, par2, par4, par6, par8, par9);
232                    }
233                    catch (Throwable var15)
234                    {
235                        throw new ReportedException(CrashReport.func_85055_a(var15, "Post-rendering entity in world"));
236                    }
237                }
238            }
239            catch (Throwable var18)
240            {
241                CrashReport var12 = CrashReport.func_85055_a(var18, "Rendering entity in world");
242                CrashReportCategory var13 = var12.func_85058_a("Entity being rendered");
243                par1Entity.func_85029_a(var13);
244                CrashReportCategory var14 = var12.func_85058_a("Renderer details");
245                var14.addCrashSection("Assigned renderer", var10);
246                var14.addCrashSection("Location", CrashReportCategory.func_85074_a(par2, par4, par6));
247                var14.addCrashSection("Rotation", Float.valueOf(par8));
248                var14.addCrashSection("Delta", Float.valueOf(par9));
249                throw new ReportedException(var12);
250            }
251        }
252    
253        private void func_85094_b(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
254        {
255            GL11.glDepthMask(false);
256            GL11.glDisable(GL11.GL_TEXTURE_2D);
257            GL11.glDisable(GL11.GL_LIGHTING);
258            GL11.glDisable(GL11.GL_CULL_FACE);
259            GL11.glDisable(GL11.GL_BLEND);
260            GL11.glPushMatrix();
261            Tessellator var10 = Tessellator.instance;
262            var10.startDrawingQuads();
263            var10.setColorRGBA(255, 255, 255, 32);
264            double var11 = (double)(-par1Entity.width / 2.0F);
265            double var13 = (double)(-par1Entity.width / 2.0F);
266            double var15 = (double)(par1Entity.width / 2.0F);
267            double var17 = (double)(-par1Entity.width / 2.0F);
268            double var19 = (double)(-par1Entity.width / 2.0F);
269            double var21 = (double)(par1Entity.width / 2.0F);
270            double var23 = (double)(par1Entity.width / 2.0F);
271            double var25 = (double)(par1Entity.width / 2.0F);
272            double var27 = (double)par1Entity.height;
273            var10.addVertex(par2 + var11, par4 + var27, par6 + var13);
274            var10.addVertex(par2 + var11, par4, par6 + var13);
275            var10.addVertex(par2 + var15, par4, par6 + var17);
276            var10.addVertex(par2 + var15, par4 + var27, par6 + var17);
277            var10.addVertex(par2 + var23, par4 + var27, par6 + var25);
278            var10.addVertex(par2 + var23, par4, par6 + var25);
279            var10.addVertex(par2 + var19, par4, par6 + var21);
280            var10.addVertex(par2 + var19, par4 + var27, par6 + var21);
281            var10.addVertex(par2 + var15, par4 + var27, par6 + var17);
282            var10.addVertex(par2 + var15, par4, par6 + var17);
283            var10.addVertex(par2 + var23, par4, par6 + var25);
284            var10.addVertex(par2 + var23, par4 + var27, par6 + var25);
285            var10.addVertex(par2 + var19, par4 + var27, par6 + var21);
286            var10.addVertex(par2 + var19, par4, par6 + var21);
287            var10.addVertex(par2 + var11, par4, par6 + var13);
288            var10.addVertex(par2 + var11, par4 + var27, par6 + var13);
289            var10.draw();
290            GL11.glPopMatrix();
291            GL11.glEnable(GL11.GL_TEXTURE_2D);
292            GL11.glEnable(GL11.GL_LIGHTING);
293            GL11.glEnable(GL11.GL_CULL_FACE);
294            GL11.glDisable(GL11.GL_BLEND);
295            GL11.glDepthMask(true);
296        }
297    
298        /**
299         * World sets this RenderManager's worldObj to the world provided
300         */
301        public void set(World par1World)
302        {
303            this.worldObj = par1World;
304        }
305    
306        public double getDistanceToCamera(double par1, double par3, double par5)
307        {
308            double var7 = par1 - this.viewerPosX;
309            double var9 = par3 - this.viewerPosY;
310            double var11 = par5 - this.viewerPosZ;
311            return var7 * var7 + var9 * var9 + var11 * var11;
312        }
313    
314        /**
315         * Returns the font renderer
316         */
317        public FontRenderer getFontRenderer()
318        {
319            return this.fontRenderer;
320        }
321    }