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    
041        private RenderManager()
042        {
043            this.entityRenderMap.put(EntitySpider.class, new RenderSpider());
044            this.entityRenderMap.put(EntityCaveSpider.class, new RenderSpider());
045            this.entityRenderMap.put(EntityPig.class, new RenderPig(new ModelPig(), new ModelPig(0.5F), 0.7F));
046            this.entityRenderMap.put(EntitySheep.class, new RenderSheep(new ModelSheep2(), new ModelSheep1(), 0.7F));
047            this.entityRenderMap.put(EntityCow.class, new RenderCow(new ModelCow(), 0.7F));
048            this.entityRenderMap.put(EntityMooshroom.class, new RenderMooshroom(new ModelCow(), 0.7F));
049            this.entityRenderMap.put(EntityWolf.class, new RenderWolf(new ModelWolf(), new ModelWolf(), 0.5F));
050            this.entityRenderMap.put(EntityChicken.class, new RenderChicken(new ModelChicken(), 0.3F));
051            this.entityRenderMap.put(EntityOcelot.class, new RenderOcelot(new ModelOcelot(), 0.4F));
052            this.entityRenderMap.put(EntitySilverfish.class, new RenderSilverfish());
053            this.entityRenderMap.put(EntityCreeper.class, new RenderCreeper());
054            this.entityRenderMap.put(EntityEnderman.class, new RenderEnderman());
055            this.entityRenderMap.put(EntitySnowman.class, new RenderSnowMan());
056            this.entityRenderMap.put(EntitySkeleton.class, new RenderSkeleton());
057            this.entityRenderMap.put(EntityWitch.class, new RenderWitch());
058            this.entityRenderMap.put(EntityBlaze.class, new RenderBlaze());
059            this.entityRenderMap.put(EntityZombie.class, new RenderZombie());
060            this.entityRenderMap.put(EntitySlime.class, new RenderSlime(new ModelSlime(16), new ModelSlime(0), 0.25F));
061            this.entityRenderMap.put(EntityMagmaCube.class, new RenderMagmaCube());
062            this.entityRenderMap.put(EntityPlayer.class, new RenderPlayer());
063            this.entityRenderMap.put(EntityGiantZombie.class, new RenderGiantZombie(new ModelZombie(), 0.5F, 6.0F));
064            this.entityRenderMap.put(EntityGhast.class, new RenderGhast());
065            this.entityRenderMap.put(EntitySquid.class, new RenderSquid(new ModelSquid(), 0.7F));
066            this.entityRenderMap.put(EntityVillager.class, new RenderVillager());
067            this.entityRenderMap.put(EntityIronGolem.class, new RenderIronGolem());
068            this.entityRenderMap.put(EntityLiving.class, new RenderLiving(new ModelBiped(), 0.5F));
069            this.entityRenderMap.put(EntityBat.class, new RenderBat());
070            this.entityRenderMap.put(EntityDragon.class, new RenderDragon());
071            this.entityRenderMap.put(EntityEnderCrystal.class, new RenderEnderCrystal());
072            this.entityRenderMap.put(EntityWither.class, new RenderWither());
073            this.entityRenderMap.put(Entity.class, new RenderEntity());
074            this.entityRenderMap.put(EntityPainting.class, new RenderPainting());
075            this.entityRenderMap.put(EntityItemFrame.class, new RenderItemFrame());
076            this.entityRenderMap.put(EntityArrow.class, new RenderArrow());
077            this.entityRenderMap.put(EntitySnowball.class, new RenderSnowball(Item.snowball.getIconFromDamage(0)));
078            this.entityRenderMap.put(EntityEnderPearl.class, new RenderSnowball(Item.enderPearl.getIconFromDamage(0)));
079            this.entityRenderMap.put(EntityEnderEye.class, new RenderSnowball(Item.eyeOfEnder.getIconFromDamage(0)));
080            this.entityRenderMap.put(EntityEgg.class, new RenderSnowball(Item.egg.getIconFromDamage(0)));
081            this.entityRenderMap.put(EntityPotion.class, new RenderSnowball(154));
082            this.entityRenderMap.put(EntityExpBottle.class, new RenderSnowball(Item.expBottle.getIconFromDamage(0)));
083            this.entityRenderMap.put(EntityLargeFireball.class, new RenderFireball(2.0F));
084            this.entityRenderMap.put(EntitySmallFireball.class, new RenderFireball(0.5F));
085            this.entityRenderMap.put(EntityWitherSkull.class, new RenderWitherSkull());
086            this.entityRenderMap.put(EntityItem.class, new RenderItem());
087            this.entityRenderMap.put(EntityXPOrb.class, new RenderXPOrb());
088            this.entityRenderMap.put(EntityTNTPrimed.class, new RenderTNTPrimed());
089            this.entityRenderMap.put(EntityFallingSand.class, new RenderFallingSand());
090            this.entityRenderMap.put(EntityMinecart.class, new RenderMinecart());
091            this.entityRenderMap.put(EntityBoat.class, new RenderBoat());
092            this.entityRenderMap.put(EntityFishHook.class, new RenderFish());
093            this.entityRenderMap.put(EntityLightningBolt.class, new RenderLightningBolt());
094            Iterator var1 = this.entityRenderMap.values().iterator();
095    
096            while (var1.hasNext())
097            {
098                Render var2 = (Render)var1.next();
099                var2.setRenderManager(this);
100            }
101        }
102    
103        public Render getEntityClassRenderObject(Class par1Class)
104        {
105            Render var2 = (Render)this.entityRenderMap.get(par1Class);
106    
107            if (var2 == null && par1Class != Entity.class)
108            {
109                var2 = this.getEntityClassRenderObject(par1Class.getSuperclass());
110                this.entityRenderMap.put(par1Class, var2);
111            }
112    
113            return var2;
114        }
115    
116        public Render getEntityRenderObject(Entity par1Entity)
117        {
118            return this.getEntityClassRenderObject(par1Entity.getClass());
119        }
120    
121        /**
122         * Caches the current frame's active render info, including the current World, RenderEngine, GameSettings and
123         * FontRenderer settings, as well as interpolated player position, pitch and yaw.
124         */
125        public void cacheActiveRenderInfo(World par1World, RenderEngine par2RenderEngine, FontRenderer par3FontRenderer, EntityLiving par4EntityLiving, GameSettings par5GameSettings, float par6)
126        {
127            this.worldObj = par1World;
128            this.renderEngine = par2RenderEngine;
129            this.options = par5GameSettings;
130            this.livingPlayer = par4EntityLiving;
131            this.fontRenderer = par3FontRenderer;
132    
133            if (par4EntityLiving.isPlayerSleeping())
134            {
135                int x = MathHelper.floor_double(par4EntityLiving.posX);
136                int y = MathHelper.floor_double(par4EntityLiving.posY);
137                int z = MathHelper.floor_double(par4EntityLiving.posZ);
138                Block block = Block.blocksList[par1World.getBlockId(x, y, z)];
139    
140                if (block != null && block.isBed(par1World, x, y, z, par4EntityLiving))
141                {
142                    int var9 = block.getBedDirection(par1World, x, y, z);;
143                    this.playerViewY = (float)(var9 * 90 + 180);
144                    this.playerViewX = 0.0F;
145                }
146            }
147            else
148            {
149                this.playerViewY = par4EntityLiving.prevRotationYaw + (par4EntityLiving.rotationYaw - par4EntityLiving.prevRotationYaw) * par6;
150                this.playerViewX = par4EntityLiving.prevRotationPitch + (par4EntityLiving.rotationPitch - par4EntityLiving.prevRotationPitch) * par6;
151            }
152    
153            if (par5GameSettings.thirdPersonView == 2)
154            {
155                this.playerViewY += 180.0F;
156            }
157    
158            this.viewerPosX = par4EntityLiving.lastTickPosX + (par4EntityLiving.posX - par4EntityLiving.lastTickPosX) * (double)par6;
159            this.viewerPosY = par4EntityLiving.lastTickPosY + (par4EntityLiving.posY - par4EntityLiving.lastTickPosY) * (double)par6;
160            this.viewerPosZ = par4EntityLiving.lastTickPosZ + (par4EntityLiving.posZ - par4EntityLiving.lastTickPosZ) * (double)par6;
161        }
162    
163        /**
164         * Will render the specified entity at the specified partial tick time. Args: entity, partialTickTime
165         */
166        public void renderEntity(Entity par1Entity, float par2)
167        {
168            double var3 = par1Entity.lastTickPosX + (par1Entity.posX - par1Entity.lastTickPosX) * (double)par2;
169            double var5 = par1Entity.lastTickPosY + (par1Entity.posY - par1Entity.lastTickPosY) * (double)par2;
170            double var7 = par1Entity.lastTickPosZ + (par1Entity.posZ - par1Entity.lastTickPosZ) * (double)par2;
171            float var9 = par1Entity.prevRotationYaw + (par1Entity.rotationYaw - par1Entity.prevRotationYaw) * par2;
172            int var10 = par1Entity.getBrightnessForRender(par2);
173    
174            if (par1Entity.isBurning())
175            {
176                var10 = 15728880;
177            }
178    
179            int var11 = var10 % 65536;
180            int var12 = var10 / 65536;
181            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var11 / 1.0F, (float)var12 / 1.0F);
182            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
183            this.renderEntityWithPosYaw(par1Entity, var3 - renderPosX, var5 - renderPosY, var7 - renderPosZ, var9, par2);
184        }
185    
186        /**
187         * Renders the specified entity with the passed in position, yaw, and partialTickTime. Args: entity, x, y, z, yaw,
188         * partialTickTime
189         */
190        public void renderEntityWithPosYaw(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
191        {
192            Render var10 = this.getEntityRenderObject(par1Entity);
193    
194            if (var10 != null && this.renderEngine != null)
195            {
196                var10.doRender(par1Entity, par2, par4, par6, par8, par9);
197                var10.doRenderShadowAndFire(par1Entity, par2, par4, par6, par8, par9);
198            }
199        }
200    
201        /**
202         * World sets this RenderManager's worldObj to the world provided
203         */
204        public void set(World par1World)
205        {
206            this.worldObj = par1World;
207        }
208    
209        public double getDistanceToCamera(double par1, double par3, double par5)
210        {
211            double var7 = par1 - this.viewerPosX;
212            double var9 = par3 - this.viewerPosY;
213            double var11 = par5 - this.viewerPosZ;
214            return var7 * var7 + var9 * var9 + var11 * var11;
215        }
216    
217        /**
218         * Returns the font renderer
219         */
220        public FontRenderer getFontRenderer()
221        {
222            return this.fontRenderer;
223        }
224    }