001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    
006    public class Potion
007    {
008        /** The array of potion types. */
009        public static final Potion[] potionTypes = new Potion[32];
010        public static final Potion field_76423_b = null;
011        public static final Potion moveSpeed = (new Potion(1, false, 8171462)).setPotionName("potion.moveSpeed").setIconIndex(0, 0);
012        public static final Potion moveSlowdown = (new Potion(2, true, 5926017)).setPotionName("potion.moveSlowdown").setIconIndex(1, 0);
013        public static final Potion digSpeed = (new Potion(3, false, 14270531)).setPotionName("potion.digSpeed").setIconIndex(2, 0).setEffectiveness(1.5D);
014        public static final Potion digSlowdown = (new Potion(4, true, 4866583)).setPotionName("potion.digSlowDown").setIconIndex(3, 0);
015        public static final Potion damageBoost = (new Potion(5, false, 9643043)).setPotionName("potion.damageBoost").setIconIndex(4, 0);
016        public static final Potion heal = (new PotionHealth(6, false, 16262179)).setPotionName("potion.heal");
017        public static final Potion harm = (new PotionHealth(7, true, 4393481)).setPotionName("potion.harm");
018        public static final Potion jump = (new Potion(8, false, 7889559)).setPotionName("potion.jump").setIconIndex(2, 1);
019        public static final Potion confusion = (new Potion(9, true, 5578058)).setPotionName("potion.confusion").setIconIndex(3, 1).setEffectiveness(0.25D);
020    
021        /** The regeneration Potion object. */
022        public static final Potion regeneration = (new Potion(10, false, 13458603)).setPotionName("potion.regeneration").setIconIndex(7, 0).setEffectiveness(0.25D);
023        public static final Potion resistance = (new Potion(11, false, 10044730)).setPotionName("potion.resistance").setIconIndex(6, 1);
024    
025        /** The fire resistance Potion object. */
026        public static final Potion fireResistance = (new Potion(12, false, 14981690)).setPotionName("potion.fireResistance").setIconIndex(7, 1);
027    
028        /** The water breathing Potion object. */
029        public static final Potion waterBreathing = (new Potion(13, false, 3035801)).setPotionName("potion.waterBreathing").setIconIndex(0, 2);
030    
031        /** The invisibility Potion object. */
032        public static final Potion invisibility = (new Potion(14, false, 8356754)).setPotionName("potion.invisibility").setIconIndex(0, 1).setPotionUnusable();
033    
034        /** The blindness Potion object. */
035        public static final Potion blindness = (new Potion(15, true, 2039587)).setPotionName("potion.blindness").setIconIndex(5, 1).setEffectiveness(0.25D);
036    
037        /** The night vision Potion object. */
038        public static final Potion nightVision = (new Potion(16, false, 2039713)).setPotionName("potion.nightVision").setIconIndex(4, 1).setPotionUnusable();
039    
040        /** The hunger Potion object. */
041        public static final Potion hunger = (new Potion(17, true, 5797459)).setPotionName("potion.hunger").setIconIndex(1, 1);
042    
043        /** The weakness Potion object. */
044        public static final Potion weakness = (new Potion(18, true, 4738376)).setPotionName("potion.weakness").setIconIndex(5, 0);
045    
046        /** The poison Potion object. */
047        public static final Potion poison = (new Potion(19, true, 5149489)).setPotionName("potion.poison").setIconIndex(6, 0).setEffectiveness(0.25D);
048        public static final Potion field_76435_v = null;
049        public static final Potion field_76434_w = null;
050        public static final Potion field_76444_x = null;
051        public static final Potion field_76443_y = null;
052        public static final Potion field_76442_z = null;
053        public static final Potion field_76409_A = null;
054        public static final Potion field_76410_B = null;
055        public static final Potion field_76411_C = null;
056        public static final Potion field_76405_D = null;
057        public static final Potion field_76406_E = null;
058        public static final Potion field_76407_F = null;
059        public static final Potion field_76408_G = null;
060    
061        /** The Id of a Potion object. */
062        public final int id;
063    
064        /** The name of the Potion. */
065        private String name = "";
066    
067        /** The index for the icon displayed when the potion effect is active. */
068        private int statusIconIndex = -1;
069    
070        /**
071         * This field indicated if the effect is 'bad' - negative - for the entity.
072         */
073        private final boolean isBadEffect;
074        private double effectiveness;
075        private boolean usable;
076    
077        /** Is the color of the liquid for this potion. */
078        private final int liquidColor;
079    
080        protected Potion(int par1, boolean par2, int par3)
081        {
082            this.id = par1;
083            potionTypes[par1] = this;
084            this.isBadEffect = par2;
085    
086            if (par2)
087            {
088                this.effectiveness = 0.5D;
089            }
090            else
091            {
092                this.effectiveness = 1.0D;
093            }
094    
095            this.liquidColor = par3;
096        }
097    
098        /**
099         * Sets the index for the icon displayed in the player's inventory when the status is active.
100         */
101        protected Potion setIconIndex(int par1, int par2)
102        {
103            this.statusIconIndex = par1 + par2 * 8;
104            return this;
105        }
106    
107        /**
108         * returns the ID of the potion
109         */
110        public int getId()
111        {
112            return this.id;
113        }
114    
115        public void performEffect(EntityLiving par1EntityLiving, int par2)
116        {
117            if (this.id == regeneration.id)
118            {
119                if (par1EntityLiving.getHealth() < par1EntityLiving.getMaxHealth())
120                {
121                    par1EntityLiving.heal(1);
122                }
123            }
124            else if (this.id == poison.id)
125            {
126                if (par1EntityLiving.getHealth() > 1)
127                {
128                    par1EntityLiving.attackEntityFrom(DamageSource.magic, 1);
129                }
130            }
131            else if (this.id == hunger.id && par1EntityLiving instanceof EntityPlayer)
132            {
133                ((EntityPlayer)par1EntityLiving).addExhaustion(0.025F * (float)(par2 + 1));
134            }
135            else if ((this.id != heal.id || par1EntityLiving.isEntityUndead()) && (this.id != harm.id || !par1EntityLiving.isEntityUndead()))
136            {
137                if (this.id == harm.id && !par1EntityLiving.isEntityUndead() || this.id == heal.id && par1EntityLiving.isEntityUndead())
138                {
139                    par1EntityLiving.attackEntityFrom(DamageSource.magic, 6 << par2);
140                }
141            }
142            else
143            {
144                par1EntityLiving.heal(6 << par2);
145            }
146        }
147    
148        /**
149         * Hits the provided entity with this potion's instant effect.
150         */
151        public void affectEntity(EntityLiving par1EntityLiving, EntityLiving par2EntityLiving, int par3, double par4)
152        {
153            int var6;
154    
155            if ((this.id != heal.id || par2EntityLiving.isEntityUndead()) && (this.id != harm.id || !par2EntityLiving.isEntityUndead()))
156            {
157                if (this.id == harm.id && !par2EntityLiving.isEntityUndead() || this.id == heal.id && par2EntityLiving.isEntityUndead())
158                {
159                    var6 = (int)(par4 * (double)(6 << par3) + 0.5D);
160    
161                    if (par1EntityLiving == null)
162                    {
163                        par2EntityLiving.attackEntityFrom(DamageSource.magic, var6);
164                    }
165                    else
166                    {
167                        par2EntityLiving.attackEntityFrom(DamageSource.causeIndirectMagicDamage(par2EntityLiving, par1EntityLiving), var6);
168                    }
169                }
170            }
171            else
172            {
173                var6 = (int)(par4 * (double)(6 << par3) + 0.5D);
174                par2EntityLiving.heal(var6);
175            }
176        }
177    
178        /**
179         * Returns true if the potion has an instant effect instead of a continuous one (eg Harming)
180         */
181        public boolean isInstant()
182        {
183            return false;
184        }
185    
186        /**
187         * checks if Potion effect is ready to be applied this tick.
188         */
189        public boolean isReady(int par1, int par2)
190        {
191            if (this.id != regeneration.id && this.id != poison.id)
192            {
193                return this.id == hunger.id;
194            }
195            else
196            {
197                int var3 = 25 >> par2;
198                return var3 > 0 ? par1 % var3 == 0 : true;
199            }
200        }
201    
202        /**
203         * Set the potion name.
204         */
205        public Potion setPotionName(String par1Str)
206        {
207            this.name = par1Str;
208            return this;
209        }
210    
211        /**
212         * returns the name of the potion
213         */
214        public String getName()
215        {
216            return this.name;
217        }
218    
219        protected Potion setEffectiveness(double par1)
220        {
221            this.effectiveness = par1;
222            return this;
223        }
224    
225        @SideOnly(Side.CLIENT)
226    
227        /**
228         * Returns true if the potion has a associated status icon to display in then inventory when active.
229         */
230        public boolean hasStatusIcon()
231        {
232            return this.statusIconIndex >= 0;
233        }
234    
235        @SideOnly(Side.CLIENT)
236    
237        /**
238         * Returns the index for the icon to display when the potion is active.
239         */
240        public int getStatusIconIndex()
241        {
242            return this.statusIconIndex;
243        }
244    
245        @SideOnly(Side.CLIENT)
246    
247        /**
248         * This method returns true if the potion effect is bad - negative - for the entity.
249         */
250        public boolean isBadEffect()
251        {
252            return this.isBadEffect;
253        }
254    
255        @SideOnly(Side.CLIENT)
256        public static String getDurationString(PotionEffect par0PotionEffect)
257        {
258            int var1 = par0PotionEffect.getDuration();
259            return StringUtils.ticksToElapsedTime(var1);
260        }
261    
262        public double getEffectiveness()
263        {
264            return this.effectiveness;
265        }
266    
267        public Potion setPotionUnusable()
268        {
269            this.usable = true;
270            return this;
271        }
272    
273        public boolean isUsable()
274        {
275            return this.usable;
276        }
277    
278        /**
279         * Returns the color of the potion liquid.
280         */
281        public int getLiquidColor()
282        {
283            return this.liquidColor;
284        }
285    }