001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    
006    @SideOnly(Side.CLIENT)
007    public class EntityDropParticleFX extends EntityFX
008    {
009        /** the material type for dropped items/blocks */
010        private Material materialType;
011    
012        /** The height of the current bob */
013        private int bobTimer;
014    
015        public EntityDropParticleFX(World par1World, double par2, double par4, double par6, Material par8Material)
016        {
017            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
018            this.motionX = this.motionY = this.motionZ = 0.0D;
019    
020            if (par8Material == Material.water)
021            {
022                this.particleRed = 0.0F;
023                this.particleGreen = 0.0F;
024                this.particleBlue = 1.0F;
025            }
026            else
027            {
028                this.particleRed = 1.0F;
029                this.particleGreen = 0.0F;
030                this.particleBlue = 0.0F;
031            }
032    
033            this.setParticleTextureIndex(113);
034            this.setSize(0.01F, 0.01F);
035            this.particleGravity = 0.06F;
036            this.materialType = par8Material;
037            this.bobTimer = 40;
038            this.particleMaxAge = (int)(64.0D / (Math.random() * 0.8D + 0.2D));
039            this.motionX = this.motionY = this.motionZ = 0.0D;
040        }
041    
042        public int getBrightnessForRender(float par1)
043        {
044            return this.materialType == Material.water ? super.getBrightnessForRender(par1) : 257;
045        }
046    
047        /**
048         * Gets how bright this entity is.
049         */
050        public float getBrightness(float par1)
051        {
052            return this.materialType == Material.water ? super.getBrightness(par1) : 1.0F;
053        }
054    
055        /**
056         * Called to update the entity's position/logic.
057         */
058        public void onUpdate()
059        {
060            this.prevPosX = this.posX;
061            this.prevPosY = this.posY;
062            this.prevPosZ = this.posZ;
063    
064            if (this.materialType == Material.water)
065            {
066                this.particleRed = 0.2F;
067                this.particleGreen = 0.3F;
068                this.particleBlue = 1.0F;
069            }
070            else
071            {
072                this.particleRed = 1.0F;
073                this.particleGreen = 16.0F / (float)(40 - this.bobTimer + 16);
074                this.particleBlue = 4.0F / (float)(40 - this.bobTimer + 8);
075            }
076    
077            this.motionY -= (double)this.particleGravity;
078    
079            if (this.bobTimer-- > 0)
080            {
081                this.motionX *= 0.02D;
082                this.motionY *= 0.02D;
083                this.motionZ *= 0.02D;
084                this.setParticleTextureIndex(113);
085            }
086            else
087            {
088                this.setParticleTextureIndex(112);
089            }
090    
091            this.moveEntity(this.motionX, this.motionY, this.motionZ);
092            this.motionX *= 0.9800000190734863D;
093            this.motionY *= 0.9800000190734863D;
094            this.motionZ *= 0.9800000190734863D;
095    
096            if (this.particleMaxAge-- <= 0)
097            {
098                this.setDead();
099            }
100    
101            if (this.onGround)
102            {
103                if (this.materialType == Material.water)
104                {
105                    this.setDead();
106                    this.worldObj.spawnParticle("splash", this.posX, this.posY, this.posZ, 0.0D, 0.0D, 0.0D);
107                }
108                else
109                {
110                    this.setParticleTextureIndex(114);
111                }
112    
113                this.motionX *= 0.699999988079071D;
114                this.motionZ *= 0.699999988079071D;
115            }
116    
117            Material var1 = this.worldObj.getBlockMaterial(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ));
118    
119            if (var1.isLiquid() || var1.isSolid())
120            {
121                double var2 = (double)((float)(MathHelper.floor_double(this.posY) + 1) - BlockFluid.getFluidHeightPercent(this.worldObj.getBlockMetadata(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ))));
122    
123                if (this.posY < var2)
124                {
125                    this.setDead();
126                }
127            }
128        }
129    }