001package net.minecraft.client.particle;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import net.minecraft.client.renderer.Tessellator;
006import net.minecraft.world.World;
007
008@SideOnly(Side.CLIENT)
009public class EntitySpellParticleFX extends EntityFX
010{
011    /** Base spell texture index */
012    private int baseSpellTextureIndex = 128;
013
014    public EntitySpellParticleFX(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.motionY *= 0.20000000298023224D;
018
019        if (par8 == 0.0D && par12 == 0.0D)
020        {
021            this.motionX *= 0.10000000149011612D;
022            this.motionZ *= 0.10000000149011612D;
023        }
024
025        this.particleScale *= 0.75F;
026        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D));
027        this.noClip = false;
028    }
029
030    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
031    {
032        float f6 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
033
034        if (f6 < 0.0F)
035        {
036            f6 = 0.0F;
037        }
038
039        if (f6 > 1.0F)
040        {
041            f6 = 1.0F;
042        }
043
044        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
045    }
046
047    /**
048     * Called to update the entity's position/logic.
049     */
050    public void onUpdate()
051    {
052        this.prevPosX = this.posX;
053        this.prevPosY = this.posY;
054        this.prevPosZ = this.posZ;
055
056        if (this.particleAge++ >= this.particleMaxAge)
057        {
058            this.setDead();
059        }
060
061        this.setParticleTextureIndex(this.baseSpellTextureIndex + (7 - this.particleAge * 8 / this.particleMaxAge));
062        this.motionY += 0.004D;
063        this.moveEntity(this.motionX, this.motionY, this.motionZ);
064
065        if (this.posY == this.prevPosY)
066        {
067            this.motionX *= 1.1D;
068            this.motionZ *= 1.1D;
069        }
070
071        this.motionX *= 0.9599999785423279D;
072        this.motionY *= 0.9599999785423279D;
073        this.motionZ *= 0.9599999785423279D;
074
075        if (this.onGround)
076        {
077            this.motionX *= 0.699999988079071D;
078            this.motionZ *= 0.699999988079071D;
079        }
080    }
081
082    /**
083     * Sets the base spell texture index
084     */
085    public void setBaseSpellTextureIndex(int par1)
086    {
087        this.baseSpellTextureIndex = par1;
088    }
089}