001 package net.minecraft.client.particle;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import net.minecraft.client.renderer.Tessellator;
006 import net.minecraft.world.World;
007
008 @SideOnly(Side.CLIENT)
009 public class EntityFlameFX extends EntityFX
010 {
011 /** the scale of the flame FX */
012 private float flameScale;
013
014 public EntityFlameFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
015 {
016 super(par1World, par2, par4, par6, par8, par10, par12);
017 this.motionX = this.motionX * 0.009999999776482582D + par8;
018 this.motionY = this.motionY * 0.009999999776482582D + par10;
019 this.motionZ = this.motionZ * 0.009999999776482582D + par12;
020 double var10000 = par2 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
021 var10000 = par4 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
022 var10000 = par6 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
023 this.flameScale = this.particleScale;
024 this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
025 this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D)) + 4;
026 this.noClip = true;
027 this.setParticleTextureIndex(48);
028 }
029
030 public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
031 {
032 float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
033 this.particleScale = this.flameScale * (1.0F - var8 * var8 * 0.5F);
034 super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
035 }
036
037 public int getBrightnessForRender(float par1)
038 {
039 float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
040
041 if (var2 < 0.0F)
042 {
043 var2 = 0.0F;
044 }
045
046 if (var2 > 1.0F)
047 {
048 var2 = 1.0F;
049 }
050
051 int var3 = super.getBrightnessForRender(par1);
052 int var4 = var3 & 255;
053 int var5 = var3 >> 16 & 255;
054 var4 += (int)(var2 * 15.0F * 16.0F);
055
056 if (var4 > 240)
057 {
058 var4 = 240;
059 }
060
061 return var4 | var5 << 16;
062 }
063
064 /**
065 * Gets how bright this entity is.
066 */
067 public float getBrightness(float par1)
068 {
069 float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
070
071 if (var2 < 0.0F)
072 {
073 var2 = 0.0F;
074 }
075
076 if (var2 > 1.0F)
077 {
078 var2 = 1.0F;
079 }
080
081 float var3 = super.getBrightness(par1);
082 return var3 * var2 + (1.0F - var2);
083 }
084
085 /**
086 * Called to update the entity's position/logic.
087 */
088 public void onUpdate()
089 {
090 this.prevPosX = this.posX;
091 this.prevPosY = this.posY;
092 this.prevPosZ = this.posZ;
093
094 if (this.particleAge++ >= this.particleMaxAge)
095 {
096 this.setDead();
097 }
098
099 this.moveEntity(this.motionX, this.motionY, this.motionZ);
100 this.motionX *= 0.9599999785423279D;
101 this.motionY *= 0.9599999785423279D;
102 this.motionZ *= 0.9599999785423279D;
103
104 if (this.onGround)
105 {
106 this.motionX *= 0.699999988079071D;
107 this.motionZ *= 0.699999988079071D;
108 }
109 }
110 }