001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.awt.Color;
006    import java.util.ArrayList;
007    import java.util.List;
008    import java.util.Random;
009    
010    public abstract class BiomeGenBase
011    {
012        /** An array of all the biomes, indexed by biome id. */
013        public static final BiomeGenBase[] biomeList = new BiomeGenBase[256];
014        public static final BiomeGenBase ocean = (new BiomeGenOcean(0)).setColor(112).setBiomeName("Ocean").setMinMaxHeight(-1.0F, 0.4F);
015        public static final BiomeGenBase plains = (new BiomeGenPlains(1)).setColor(9286496).setBiomeName("Plains").setTemperatureRainfall(0.8F, 0.4F);
016        public static final BiomeGenBase desert = (new BiomeGenDesert(2)).setColor(16421912).setBiomeName("Desert").setDisableRain().setTemperatureRainfall(2.0F, 0.0F).setMinMaxHeight(0.1F, 0.2F);
017        public static final BiomeGenBase extremeHills = (new BiomeGenHills(3)).setColor(6316128).setBiomeName("Extreme Hills").setMinMaxHeight(0.3F, 1.5F).setTemperatureRainfall(0.2F, 0.3F);
018        public static final BiomeGenBase forest = (new BiomeGenForest(4)).setColor(353825).setBiomeName("Forest").func_76733_a(5159473).setTemperatureRainfall(0.7F, 0.8F);
019        public static final BiomeGenBase taiga = (new BiomeGenTaiga(5)).setColor(747097).setBiomeName("Taiga").func_76733_a(5159473).setEnableSnow().setTemperatureRainfall(0.05F, 0.8F).setMinMaxHeight(0.1F, 0.4F);
020        public static final BiomeGenBase swampland = (new BiomeGenSwamp(6)).setColor(522674).setBiomeName("Swampland").func_76733_a(9154376).setMinMaxHeight(-0.2F, 0.1F).setTemperatureRainfall(0.8F, 0.9F);
021        public static final BiomeGenBase river = (new BiomeGenRiver(7)).setColor(255).setBiomeName("River").setMinMaxHeight(-0.5F, 0.0F);
022        public static final BiomeGenBase hell = (new BiomeGenHell(8)).setColor(16711680).setBiomeName("Hell").setDisableRain().setTemperatureRainfall(2.0F, 0.0F);
023    
024        /** Is the biome used for sky world. */
025        public static final BiomeGenBase sky = (new BiomeGenEnd(9)).setColor(8421631).setBiomeName("Sky").setDisableRain();
026        public static final BiomeGenBase frozenOcean = (new BiomeGenOcean(10)).setColor(9474208).setBiomeName("FrozenOcean").setEnableSnow().setMinMaxHeight(-1.0F, 0.5F).setTemperatureRainfall(0.0F, 0.5F);
027        public static final BiomeGenBase frozenRiver = (new BiomeGenRiver(11)).setColor(10526975).setBiomeName("FrozenRiver").setEnableSnow().setMinMaxHeight(-0.5F, 0.0F).setTemperatureRainfall(0.0F, 0.5F);
028        public static final BiomeGenBase icePlains = (new BiomeGenSnow(12)).setColor(16777215).setBiomeName("Ice Plains").setEnableSnow().setTemperatureRainfall(0.0F, 0.5F);
029        public static final BiomeGenBase iceMountains = (new BiomeGenSnow(13)).setColor(10526880).setBiomeName("Ice Mountains").setEnableSnow().setMinMaxHeight(0.3F, 1.3F).setTemperatureRainfall(0.0F, 0.5F);
030        public static final BiomeGenBase mushroomIsland = (new BiomeGenMushroomIsland(14)).setColor(16711935).setBiomeName("MushroomIsland").setTemperatureRainfall(0.9F, 1.0F).setMinMaxHeight(0.2F, 1.0F);
031        public static final BiomeGenBase mushroomIslandShore = (new BiomeGenMushroomIsland(15)).setColor(10486015).setBiomeName("MushroomIslandShore").setTemperatureRainfall(0.9F, 1.0F).setMinMaxHeight(-1.0F, 0.1F);
032    
033        /** Beach biome. */
034        public static final BiomeGenBase beach = (new BiomeGenBeach(16)).setColor(16440917).setBiomeName("Beach").setTemperatureRainfall(0.8F, 0.4F).setMinMaxHeight(0.0F, 0.1F);
035    
036        /** Desert Hills biome. */
037        public static final BiomeGenBase desertHills = (new BiomeGenDesert(17)).setColor(13786898).setBiomeName("DesertHills").setDisableRain().setTemperatureRainfall(2.0F, 0.0F).setMinMaxHeight(0.3F, 0.8F);
038    
039        /** Forest Hills biome. */
040        public static final BiomeGenBase forestHills = (new BiomeGenForest(18)).setColor(2250012).setBiomeName("ForestHills").func_76733_a(5159473).setTemperatureRainfall(0.7F, 0.8F).setMinMaxHeight(0.3F, 0.7F);
041    
042        /** Taiga Hills biome. */
043        public static final BiomeGenBase taigaHills = (new BiomeGenTaiga(19)).setColor(1456435).setBiomeName("TaigaHills").setEnableSnow().func_76733_a(5159473).setTemperatureRainfall(0.05F, 0.8F).setMinMaxHeight(0.3F, 0.8F);
044    
045        /** Extreme Hills Edge biome. */
046        public static final BiomeGenBase extremeHillsEdge = (new BiomeGenHills(20)).setColor(7501978).setBiomeName("Extreme Hills Edge").setMinMaxHeight(0.2F, 0.8F).setTemperatureRainfall(0.2F, 0.3F);
047    
048        /** Jungle biome identifier */
049        public static final BiomeGenBase jungle = (new BiomeGenJungle(21)).setColor(5470985).setBiomeName("Jungle").func_76733_a(5470985).setTemperatureRainfall(1.2F, 0.9F).setMinMaxHeight(0.2F, 0.4F);
050        public static final BiomeGenBase jungleHills = (new BiomeGenJungle(22)).setColor(2900485).setBiomeName("JungleHills").func_76733_a(5470985).setTemperatureRainfall(1.2F, 0.9F).setMinMaxHeight(1.8F, 0.5F);
051        public String biomeName;
052        public int color;
053    
054        /** The block expected to be on the top of this biome */
055        public byte topBlock;
056    
057        /** The block to fill spots in when not on the top */
058        public byte fillerBlock;
059        public int field_76754_C;
060    
061        /** The minimum height of this biome. Default 0.1. */
062        public float minHeight;
063    
064        /** The maximum height of this biome. Default 0.3. */
065        public float maxHeight;
066    
067        /** The temperature of this biome. */
068        public float temperature;
069    
070        /** The rainfall in this biome. */
071        public float rainfall;
072    
073        /** Color tint applied to water depending on biome */
074        public int waterColorMultiplier;
075    
076        /** The biome decorator. */
077        public BiomeDecorator theBiomeDecorator;
078    
079        /**
080         * Holds the classes of IMobs (hostile mobs) that can be spawned in the biome.
081         */
082        protected List spawnableMonsterList;
083    
084        /**
085         * Holds the classes of any creature that can be spawned in the biome as friendly creature.
086         */
087        protected List spawnableCreatureList;
088    
089        /**
090         * Holds the classes of any aquatic creature that can be spawned in the water of the biome.
091         */
092        protected List spawnableWaterCreatureList;
093    
094        /** Set to true if snow is enabled for this biome. */
095        private boolean enableSnow;
096    
097        /**
098         * Is true (default) if the biome support rain (desert and nether can't have rain)
099         */
100        private boolean enableRain;
101    
102        /** The id number to this biome, and its index in the biomeList array. */
103        public final int biomeID;
104        protected WorldGenTrees worldGeneratorTrees;
105    
106        /** The big tree generator. */
107        protected WorldGenBigTree worldGeneratorBigTree;
108        protected WorldGenForest worldGeneratorForest;
109        protected WorldGenSwamp worldGeneratorSwamp;
110    
111        protected BiomeGenBase(int par1)
112        {
113            this.topBlock = (byte)Block.grass.blockID;
114            this.fillerBlock = (byte)Block.dirt.blockID;
115            this.field_76754_C = 5169201;
116            this.minHeight = 0.1F;
117            this.maxHeight = 0.3F;
118            this.temperature = 0.5F;
119            this.rainfall = 0.5F;
120            this.waterColorMultiplier = 16777215;
121            this.spawnableMonsterList = new ArrayList();
122            this.spawnableCreatureList = new ArrayList();
123            this.spawnableWaterCreatureList = new ArrayList();
124            this.enableRain = true;
125            this.worldGeneratorTrees = new WorldGenTrees(false);
126            this.worldGeneratorBigTree = new WorldGenBigTree(false);
127            this.worldGeneratorForest = new WorldGenForest(false);
128            this.worldGeneratorSwamp = new WorldGenSwamp();
129            this.biomeID = par1;
130            biomeList[par1] = this;
131            this.theBiomeDecorator = this.createBiomeDecorator();
132            this.spawnableCreatureList.add(new SpawnListEntry(EntitySheep.class, 12, 4, 4));
133            this.spawnableCreatureList.add(new SpawnListEntry(EntityPig.class, 10, 4, 4));
134            this.spawnableCreatureList.add(new SpawnListEntry(EntityChicken.class, 10, 4, 4));
135            this.spawnableCreatureList.add(new SpawnListEntry(EntityCow.class, 8, 4, 4));
136            this.spawnableMonsterList.add(new SpawnListEntry(EntitySpider.class, 10, 4, 4));
137            this.spawnableMonsterList.add(new SpawnListEntry(EntityZombie.class, 10, 4, 4));
138            this.spawnableMonsterList.add(new SpawnListEntry(EntitySkeleton.class, 10, 4, 4));
139            this.spawnableMonsterList.add(new SpawnListEntry(EntityCreeper.class, 10, 4, 4));
140            this.spawnableMonsterList.add(new SpawnListEntry(EntitySlime.class, 10, 4, 4));
141            this.spawnableMonsterList.add(new SpawnListEntry(EntityEnderman.class, 1, 1, 4));
142            this.spawnableWaterCreatureList.add(new SpawnListEntry(EntitySquid.class, 10, 4, 4));
143        }
144    
145        /**
146         * Allocate a new BiomeDecorator for this BiomeGenBase
147         */
148        protected BiomeDecorator createBiomeDecorator()
149        {
150            return new BiomeDecorator(this);
151        }
152    
153        /**
154         * Sets the temperature and rainfall of this biome.
155         */
156        private BiomeGenBase setTemperatureRainfall(float par1, float par2)
157        {
158            if (par1 > 0.1F && par1 < 0.2F)
159            {
160                throw new IllegalArgumentException("Please avoid temperatures in the range 0.1 - 0.2 because of snow");
161            }
162            else
163            {
164                this.temperature = par1;
165                this.rainfall = par2;
166                return this;
167            }
168        }
169    
170        /**
171         * Sets the minimum and maximum height of this biome. Seems to go from -2.0 to 2.0.
172         */
173        private BiomeGenBase setMinMaxHeight(float par1, float par2)
174        {
175            this.minHeight = par1;
176            this.maxHeight = par2;
177            return this;
178        }
179    
180        /**
181         * Disable the rain for the biome.
182         */
183        private BiomeGenBase setDisableRain()
184        {
185            this.enableRain = false;
186            return this;
187        }
188    
189        /**
190         * Gets a WorldGen appropriate for this biome.
191         */
192        public WorldGenerator getRandomWorldGenForTrees(Random par1Random)
193        {
194            return (WorldGenerator)(par1Random.nextInt(10) == 0 ? this.worldGeneratorBigTree : this.worldGeneratorTrees);
195        }
196    
197        /**
198         * Gets a WorldGen appropriate for this biome.
199         */
200        public WorldGenerator getRandomWorldGenForGrass(Random par1Random)
201        {
202            return new WorldGenTallGrass(Block.tallGrass.blockID, 1);
203        }
204    
205        /**
206         * sets enableSnow to true during biome initialization. returns BiomeGenBase.
207         */
208        protected BiomeGenBase setEnableSnow()
209        {
210            this.enableSnow = true;
211            return this;
212        }
213    
214        protected BiomeGenBase setBiomeName(String par1Str)
215        {
216            this.biomeName = par1Str;
217            return this;
218        }
219    
220        protected BiomeGenBase func_76733_a(int par1)
221        {
222            this.field_76754_C = par1;
223            return this;
224        }
225    
226        protected BiomeGenBase setColor(int par1)
227        {
228            this.color = par1;
229            return this;
230        }
231    
232        @SideOnly(Side.CLIENT)
233    
234        /**
235         * takes temperature, returns color
236         */
237        public int getSkyColorByTemp(float par1)
238        {
239            par1 /= 3.0F;
240    
241            if (par1 < -1.0F)
242            {
243                par1 = -1.0F;
244            }
245    
246            if (par1 > 1.0F)
247            {
248                par1 = 1.0F;
249            }
250    
251            return Color.getHSBColor(0.62222224F - par1 * 0.05F, 0.5F + par1 * 0.1F, 1.0F).getRGB();
252        }
253    
254        /**
255         * Returns the correspondent list of the EnumCreatureType informed.
256         */
257        public List getSpawnableList(EnumCreatureType par1EnumCreatureType)
258        {
259            return par1EnumCreatureType == EnumCreatureType.monster ? this.spawnableMonsterList : (par1EnumCreatureType == EnumCreatureType.creature ? this.spawnableCreatureList : (par1EnumCreatureType == EnumCreatureType.waterCreature ? this.spawnableWaterCreatureList : null));
260        }
261    
262        /**
263         * Returns true if the biome have snowfall instead a normal rain.
264         */
265        public boolean getEnableSnow()
266        {
267            return this.enableSnow;
268        }
269    
270        /**
271         * Return true if the biome supports lightning bolt spawn, either by have the bolts enabled and have rain enabled.
272         */
273        public boolean canSpawnLightningBolt()
274        {
275            return this.enableSnow ? false : this.enableRain;
276        }
277    
278        /**
279         * Checks to see if the rainfall level of the biome is extremely high
280         */
281        public boolean isHighHumidity()
282        {
283            return this.rainfall > 0.85F;
284        }
285    
286        /**
287         * returns the chance a creature has to spawn.
288         */
289        public float getSpawningChance()
290        {
291            return 0.1F;
292        }
293    
294        /**
295         * Gets an integer representation of this biome's rainfall
296         */
297        public final int getIntRainfall()
298        {
299            return (int)(this.rainfall * 65536.0F);
300        }
301    
302        /**
303         * Gets an integer representation of this biome's temperature
304         */
305        public final int getIntTemperature()
306        {
307            return (int)(this.temperature * 65536.0F);
308        }
309    
310        @SideOnly(Side.CLIENT)
311    
312        /**
313         * Gets a floating point representation of this biome's rainfall
314         */
315        public final float getFloatRainfall()
316        {
317            return this.rainfall;
318        }
319    
320        /**
321         * Gets a floating point representation of this biome's temperature
322         */
323        public final float getFloatTemperature()
324        {
325            return this.temperature;
326        }
327    
328        public void decorate(World par1World, Random par2Random, int par3, int par4)
329        {
330            this.theBiomeDecorator.decorate(par1World, par2Random, par3, par4);
331        }
332    
333        @SideOnly(Side.CLIENT)
334    
335        /**
336         * Provides the basic grass color based on the biome temperature and rainfall
337         */
338        public int getBiomeGrassColor()
339        {
340            double var1 = (double)MathHelper.clamp_float(this.getFloatTemperature(), 0.0F, 1.0F);
341            double var3 = (double)MathHelper.clamp_float(this.getFloatRainfall(), 0.0F, 1.0F);
342            return ColorizerGrass.getGrassColor(var1, var3);
343        }
344    
345        @SideOnly(Side.CLIENT)
346    
347        /**
348         * Provides the basic foliage color based on the biome temperature and rainfall
349         */
350        public int getBiomeFoliageColor()
351        {
352            double var1 = (double)MathHelper.clamp_float(this.getFloatTemperature(), 0.0F, 1.0F);
353            double var3 = (double)MathHelper.clamp_float(this.getFloatRainfall(), 0.0F, 1.0F);
354            return ColorizerFoliage.getFoliageColor(var1, var3);
355        }
356    }