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.ArrayList;
006    import java.util.Hashtable;
007    import java.util.Iterator;
008    import java.util.List;
009    import java.util.Map.Entry;
010    import java.util.Random;
011    
012    import net.minecraftforge.client.ForgeHooksClient;
013    import net.minecraftforge.common.ForgeHooks;
014    import com.google.common.collect.ArrayListMultimap;
015    import com.google.common.collect.Multimap;
016    
017    import org.lwjgl.opengl.GL11;
018    
019    
020    @SideOnly(Side.CLIENT)
021    public class EffectRenderer
022    {
023        /** Reference to the World object. */
024        protected World worldObj;
025        private List[] fxLayers = new List[4];
026        private RenderEngine renderer;
027    
028        /** RNG. */
029        private Random rand = new Random();
030    
031        private Multimap<String, EntityFX> effectList = ArrayListMultimap.create();
032    
033        public EffectRenderer(World par1World, RenderEngine par2RenderEngine)
034        {
035            if (par1World != null)
036            {
037                this.worldObj = par1World;
038            }
039    
040            this.renderer = par2RenderEngine;
041    
042            for (int var3 = 0; var3 < 4; ++var3)
043            {
044                this.fxLayers[var3] = new ArrayList();
045            }
046        }
047    
048        public void addEffect(EntityFX par1EntityFX)
049        {
050            int var2 = par1EntityFX.getFXLayer();
051    
052            if (this.fxLayers[var2].size() >= 4000)
053            {
054                this.fxLayers[var2].remove(0);
055            }
056    
057            this.fxLayers[var2].add(par1EntityFX);
058        }
059    
060        public void updateEffects()
061        {
062            for (int var1 = 0; var1 < 4; ++var1)
063            {
064                for (int var2 = 0; var2 < this.fxLayers[var1].size(); ++var2)
065                {
066                    EntityFX var3 = (EntityFX)this.fxLayers[var1].get(var2);
067    
068                    if (var3 != null)
069                    {
070                        var3.onUpdate();
071                    }
072    
073                    if (var3 == null || var3.isDead)
074                    {
075                        this.fxLayers[var1].remove(var2--);
076                    }
077                }
078            }
079    
080            Iterator<Entry<String, EntityFX>> itr = effectList.entries().iterator();
081            while (itr.hasNext())
082            {
083                EntityFX fx = itr.next().getValue();
084                fx.onUpdate();
085                if (fx.isDead)
086                {
087                    itr.remove();
088                }
089            }
090        }
091    
092        /**
093         * Renders all current particles. Args player, partialTickTime
094         */
095        public void renderParticles(Entity par1Entity, float par2)
096        {
097            float var3 = ActiveRenderInfo.rotationX;
098            float var4 = ActiveRenderInfo.rotationZ;
099            float var5 = ActiveRenderInfo.rotationYZ;
100            float var6 = ActiveRenderInfo.rotationXY;
101            float var7 = ActiveRenderInfo.rotationXZ;
102            EntityFX.interpPosX = par1Entity.lastTickPosX + (par1Entity.posX - par1Entity.lastTickPosX) * (double)par2;
103            EntityFX.interpPosY = par1Entity.lastTickPosY + (par1Entity.posY - par1Entity.lastTickPosY) * (double)par2;
104            EntityFX.interpPosZ = par1Entity.lastTickPosZ + (par1Entity.posZ - par1Entity.lastTickPosZ) * (double)par2;
105    
106            for (int var8 = 0; var8 < 3; ++var8)
107            {
108                if (!this.fxLayers[var8].isEmpty())
109                {
110                    int var9 = 0;
111    
112                    if (var8 == 0)
113                    {
114                        var9 = this.renderer.getTexture("/particles.png");
115                    }
116    
117                    if (var8 == 1)
118                    {
119                        var9 = this.renderer.getTexture("/terrain.png");
120                    }
121    
122                    if (var8 == 2)
123                    {
124                        var9 = this.renderer.getTexture("/gui/items.png");
125                    }
126    
127                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, var9);
128                    Tessellator var10 = Tessellator.instance;
129                    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
130                    var10.startDrawingQuads();
131    
132                    for (int var11 = 0; var11 < this.fxLayers[var8].size(); ++var11)
133                    {
134                        EntityFX var12 = (EntityFX)this.fxLayers[var8].get(var11);
135                        if (var12 == null) continue;
136                        var10.setBrightness(var12.getBrightnessForRender(par2));
137                        var12.renderParticle(var10, par2, var3, var7, var4, var5, var6);
138                    }
139    
140                    var10.draw();
141                }
142            }
143    
144            for (String key : effectList.keySet())
145            {
146                ForgeHooksClient.bindTexture(key, 0);
147                for (EntityFX entry : effectList.get(key))
148                {
149                    if (entry == null) continue;
150                    Tessellator tessallator = Tessellator.instance;
151                    //GL11.glBindTexture(GL11.GL_TEXTURE_2D, renderer.getTexture(key));
152                    tessallator.startDrawingQuads();
153        
154                    if (entry.getFXLayer() != 3)
155                    {
156                        tessallator.setBrightness(entry.getBrightnessForRender(par2));
157                        entry.renderParticle(tessallator, par2, var3, var7, var4, var5, var6);
158                    }
159        
160                    tessallator.draw();
161                }
162                ForgeHooksClient.unbindTexture();
163            }
164        }
165    
166        public void renderLitParticles(Entity par1Entity, float par2)
167        {
168            float var4 = MathHelper.cos(par1Entity.rotationYaw * 0.017453292F);
169            float var5 = MathHelper.sin(par1Entity.rotationYaw * 0.017453292F);
170            float var6 = -var5 * MathHelper.sin(par1Entity.rotationPitch * 0.017453292F);
171            float var7 = var4 * MathHelper.sin(par1Entity.rotationPitch * 0.017453292F);
172            float var8 = MathHelper.cos(par1Entity.rotationPitch * 0.017453292F);
173            byte var9 = 3;
174    
175            if (!this.fxLayers[var9].isEmpty())
176            {
177                Tessellator var10 = Tessellator.instance;
178    
179                for (int var11 = 0; var11 < this.fxLayers[var9].size(); ++var11)
180                {
181                    EntityFX var12 = (EntityFX)this.fxLayers[var9].get(var11);
182                    if (var12 == null) continue;
183                    var10.setBrightness(var12.getBrightnessForRender(par2));
184                    var12.renderParticle(var10, par2, var4, var8, var5, var6, var7);
185                }
186            }
187        }
188    
189        public void clearEffects(World par1World)
190        {
191            this.worldObj = par1World;
192    
193            for (int var2 = 0; var2 < 4; ++var2)
194            {
195                this.fxLayers[var2].clear();
196            }
197    
198            effectList.clear();
199        }
200    
201        public void addBlockDestroyEffects(int par1, int par2, int par3, int par4, int par5)
202        {
203            Block var6 = Block.blocksList[par4];
204            if (var6 != null && !var6.addBlockDestroyEffects(worldObj, par1, par2, par3, par5, this))
205            {
206                byte var7 = 4;
207    
208                for (int var8 = 0; var8 < var7; ++var8)
209                {
210                    for (int var9 = 0; var9 < var7; ++var9)
211                    {
212                        for (int var10 = 0; var10 < var7; ++var10)
213                        {
214                            double var11 = (double)par1 + ((double)var8 + 0.5D) / (double)var7;
215                            double var13 = (double)par2 + ((double)var9 + 0.5D) / (double)var7;
216                            double var15 = (double)par3 + ((double)var10 + 0.5D) / (double)var7;
217                            int var17 = this.rand.nextInt(6);
218                            this.addEffect((new EntityDiggingFX(this.worldObj, var11, var13, var15, var11 - (double)par1 - 0.5D, var13 - (double)par2 - 0.5D, var15 - (double)par3 - 0.5D, var6, var17, par5)).func_70596_a(par1, par2, par3), var6);
219                        }
220                    }
221                }
222            }
223        }
224    
225        /**
226         * Adds block hit particles for the specified block. Args: x, y, z, sideHit
227         */
228        public void addBlockHitEffects(int par1, int par2, int par3, int par4)
229        {
230            int var5 = this.worldObj.getBlockId(par1, par2, par3);
231    
232            if (var5 != 0)
233            {
234                Block var6 = Block.blocksList[var5];
235                float var7 = 0.1F;
236                double var8 = (double)par1 + this.rand.nextDouble() * (var6.getBlockBoundsMaxX() - var6.getBlockBoundsMinX() - (double)(var7 * 2.0F)) + (double)var7 + var6.getBlockBoundsMinX();
237                double var10 = (double)par2 + this.rand.nextDouble() * (var6.getBlockBoundsMaxY() - var6.getBlockBoundsMinY() - (double)(var7 * 2.0F)) + (double)var7 + var6.getBlockBoundsMinY();
238                double var12 = (double)par3 + this.rand.nextDouble() * (var6.getBlockBoundsMaxZ() - var6.getBlockBoundsMinZ() - (double)(var7 * 2.0F)) + (double)var7 + var6.getBlockBoundsMinZ();
239    
240                if (par4 == 0)
241                {
242                    var10 = (double)par2 + var6.getBlockBoundsMinY() - (double)var7;
243                }
244    
245                if (par4 == 1)
246                {
247                    var10 = (double)par2 + var6.getBlockBoundsMaxY() + (double)var7;
248                }
249    
250                if (par4 == 2)
251                {
252                    var12 = (double)par3 + var6.getBlockBoundsMinZ() - (double)var7;
253                }
254    
255                if (par4 == 3)
256                {
257                    var12 = (double)par3 + var6.getBlockBoundsMaxZ() + (double)var7;
258                }
259    
260                if (par4 == 4)
261                {
262                    var8 = (double)par1 + var6.getBlockBoundsMinX() - (double)var7;
263                }
264    
265                if (par4 == 5)
266                {
267                    var8 = (double)par1 + var6.getBlockBoundsMaxX() + (double)var7;
268                }
269    
270                this.addEffect((new EntityDiggingFX(this.worldObj, var8, var10, var12, 0.0D, 0.0D, 0.0D, var6, par4, this.worldObj.getBlockMetadata(par1, par2, par3))).func_70596_a(par1, par2, par3).multiplyVelocity(0.2F).multipleParticleScaleBy(0.6F), var6);
271            }
272        }
273    
274        public String getStatistics()
275        {
276            int size = 0;
277            for (List x : fxLayers)
278            {
279                size += x.size();
280            }
281            size += effectList.size();
282            return Integer.toString(size);
283        }
284    
285        public void addEffect(EntityFX effect, Object obj)
286        {
287            if (obj == null || !(obj instanceof Block || obj instanceof Item))
288            {
289                addEffect(effect);
290                return;
291            }
292    
293            if (obj instanceof Item && ((Item)obj).isDefaultTexture)
294            {
295                addEffect(effect);
296                return;
297            }
298    
299            if (obj instanceof Block && ((Block)obj).isDefaultTexture)
300            {
301                addEffect(effect);
302                return;
303            }
304    
305            String texture = "/terrain.png";
306            if (effect.getFXLayer() == 0)
307            {
308                texture = "/particles.png";
309            }
310            else if (effect.getFXLayer() == 2)
311            {
312                texture = "/gui/items.png";
313            }        
314            texture = ForgeHooks.getTexture(texture, obj);
315            effectList.put(texture, effect);
316        }
317    
318        public void addBlockHitEffects(int x, int y, int z, MovingObjectPosition target)
319        {
320            Block block = Block.blocksList[worldObj.getBlockId(x, y, z)];
321            if (block != null && !block.addBlockHitEffects(worldObj, target, this))
322            {
323                addBlockHitEffects(x, y, z, target.sideHit);
324            }
325        }
326    }