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Custom Projectile not Working in Survival


ctwagon

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I made a blowgun that shoots custom projectiles. The code for the gun and the darts are copies of the code for bows and arrows. When I shoot the gun in creative, the dart flies just fine but when I am in survival, the dart appears to shoot behind me before appearing ahead of me and hitting its target. When I change the projectile to an arrow in the gun code, I do not have this problem even though it is the same code as my darts.

 

Blowgun.java

 

 

package com.ctwagon.testmod.items;

 

import com.ctwagon.testmod.DartLooseEvent;

import com.ctwagon.testmod.DartNockEvent;

import com.ctwagon.testmod.Testmod;

import com.ctwagon.testmod.entity.EntityDart;

 

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.enchantment.Enchantment;

import net.minecraft.enchantment.EnchantmentHelper;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.entity.projectile.EntityArrow;

import net.minecraft.item.Item;

import net.minecraft.item.ItemStack;

import net.minecraft.world.World;

import net.minecraftforge.common.MinecraftForge;

 

public class Blowgun extends Item

{

 

    public Blowgun()

    {

        this.maxStackSize = 1;

        this.setMaxDamage(384);

        this.setUnlocalizedName(Testmod.MODID + "_" + "blowgun");

        this.setCreativeTab(CreativeTabs.tabCombat);

        this.setTextureName(Testmod.MODID + ":" + "blowgun.png");

    }

 

    /**

    * called when the player releases the use item button. Args: itemstack, world, entityplayer, itemInUseCount

    */

    public void onPlayerStoppedUsing(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer, int par4)

    {

        int j = this.getMaxItemUseDuration(par1ItemStack) - par4;

 

        DartLooseEvent event = new DartLooseEvent(par3EntityPlayer, par1ItemStack, j);

        MinecraftForge.EVENT_BUS.post(event);

        if (event.isCanceled())

        {

            return;

        }

        j = event.charge;

 

        boolean flag = par3EntityPlayer.capabilities.isCreativeMode || EnchantmentHelper.getEnchantmentLevel(Enchantment.infinity.effectId, par1ItemStack) > 0;

 

        if (flag || par3EntityPlayer.inventory.hasItem(ModItems.dart))

        {

            float f = (float)j / 20.0F;

            f = (f * f + f * 2.0F) / 3.0F;

 

            if ((double)f < 0.1D)

            {

                return;

            }

 

            if (f > 1.0F)

            {

                f = 1.0F;

            }

 

            EntityDart entitydart = new EntityDart(par2World, par3EntityPlayer, f * 2.0F);

 

            if (f == 1.0F)

            {

                entitydart.setIsCritical(true);

            }

 

            par1ItemStack.damageItem(1, par3EntityPlayer);

            par2World.playSoundAtEntity(par3EntityPlayer, "random.bow", 1.0F, 1.0F / (itemRand.nextFloat() * 0.4F + 1.2F) + f * 0.5F);

 

            if (flag)

            {

                entitydart.canBePickedUp = 2;

            }

            else

            {

                par3EntityPlayer.inventory.consumeInventoryItem(ModItems.dart);

            }

 

            if (!par2World.isRemote)

            {

                par2World.spawnEntityInWorld(entitydart);

            }

        }

    }

 

    public ItemStack onEaten(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)

    {

        return par1ItemStack;

    }

 

    /**

    * How long it takes to use or consume an item

    */

    public int getMaxItemUseDuration(ItemStack par1ItemStack)

    {

        return 72000;

    }

 

    /**

    * Called whenever this item is equipped and the right mouse button is pressed. Args: itemStack, world, entityPlayer

    */

    public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)

    {

        DartNockEvent event = new DartNockEvent(par3EntityPlayer, par1ItemStack);

        MinecraftForge.EVENT_BUS.post(event);

        if (event.isCanceled())

        {

            return event.result;

        }

 

        if (par3EntityPlayer.capabilities.isCreativeMode || par3EntityPlayer.inventory.hasItem(ModItems.dart) || par3EntityPlayer.inventory.hasItem(ModItems.poisondart))

        {

            par3EntityPlayer.setItemInUse(par1ItemStack, 10);

        }

 

        return par1ItemStack;

    }

 

    /**

    * Return the enchantability factor of the item, most of the time is based on material.

    */

    public int getItemEnchantability()

    {

        return 1;

    }

 

}

 

 

 

EntityDart.java

 

 

package com.ctwagon.testmod.entity;

 

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

import java.util.List;

import net.minecraft.block.Block;

import net.minecraft.block.material.Material;

import net.minecraft.enchantment.EnchantmentHelper;

import net.minecraft.entity.Entity;

import net.minecraft.entity.EntityLivingBase;

import net.minecraft.entity.IProjectile;

import net.minecraft.entity.monster.EntityEnderman;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.entity.player.EntityPlayerMP;

import net.minecraft.init.Items;

import net.minecraft.item.ItemStack;

import net.minecraft.nbt.NBTTagCompound;

import net.minecraft.network.play.server.S2BPacketChangeGameState;

import net.minecraft.util.AxisAlignedBB;

import net.minecraft.util.DamageSource;

import net.minecraft.util.MathHelper;

import net.minecraft.util.MovingObjectPosition;

import net.minecraft.util.Vec3;

import net.minecraft.world.World;

 

public class EntityDart extends Entity implements IProjectile

{

    private int field_145791_d = -1;

    private int field_145792_e = -1;

    private int field_145789_f = -1;

    private Block field_145790_g;

    private int inData;

    private boolean inGround;

    /** 1 if the player can pick up the arrow */

    public int canBePickedUp;

    /** Seems to be some sort of timer for animating an arrow. */

    public int arrowShake;

    /** The owner of this arrow. */

    public Entity shootingEntity;

    private int ticksInGround;

    private int ticksInAir;

    private double damage = 2.0D;

    /** The amount of knockback an arrow applies when it hits a mob. */

    private int knockbackStrength;

    private static final String __OBFID = "CL_00001715";

 

    public EntityDart(World par1World)

    {

        super(par1World);

        this.renderDistanceWeight = 10.0D;

        this.setSize(0.5F, 0.5F);

    }

 

    public EntityDart(World par1World, double par2, double par4, double par6)

    {

        super(par1World);

        this.renderDistanceWeight = 10.0D;

        this.setSize(0.5F, 0.5F);

        this.setPosition(par2, par4, par6);

        this.yOffset = 0.0F;

    }

 

    public EntityDart(World par1World, EntityLivingBase par2EntityLivingBase, EntityLivingBase par3EntityLivingBase, float par4, float par5)

    {

        super(par1World);

        this.renderDistanceWeight = 10.0D;

        this.shootingEntity = par2EntityLivingBase;

 

        if (par2EntityLivingBase instanceof EntityPlayer)

        {

            this.canBePickedUp = 1;

        }

 

        this.posY = par2EntityLivingBase.posY + (double)par2EntityLivingBase.getEyeHeight() - 0.10000000149011612D;

        double d0 = par3EntityLivingBase.posX - par2EntityLivingBase.posX;

        double d1 = par3EntityLivingBase.boundingBox.minY + (double)(par3EntityLivingBase.height / 3.0F) - this.posY;

        double d2 = par3EntityLivingBase.posZ - par2EntityLivingBase.posZ;

        double d3 = (double)MathHelper.sqrt_double(d0 * d0 + d2 * d2);

 

        if (d3 >= 1.0E-7D)

        {

            float f2 = (float)(Math.atan2(d2, d0) * 180.0D / Math.PI) - 90.0F;

            float f3 = (float)(-(Math.atan2(d1, d3) * 180.0D / Math.PI));

            double d4 = d0 / d3;

            double d5 = d2 / d3;

            this.setLocationAndAngles(par2EntityLivingBase.posX + d4, this.posY, par2EntityLivingBase.posZ + d5, f2, f3);

            this.yOffset = 0.0F;

            float f4 = (float)d3 * 0.2F;

            this.setThrowableHeading(d0, d1 + (double)f4, d2, par4, par5);

        }

    }

 

    public EntityDart(World par1World, EntityLivingBase par2EntityLivingBase, float par3)

    {

        super(par1World);

        this.renderDistanceWeight = 10.0D;

        this.shootingEntity = par2EntityLivingBase;

 

        if (par2EntityLivingBase instanceof EntityPlayer)

        {

            this.canBePickedUp = 1;

        }

 

        this.setSize(0.5F, 0.5F);

        this.setLocationAndAngles(par2EntityLivingBase.posX, par2EntityLivingBase.posY + (double)par2EntityLivingBase.getEyeHeight(), par2EntityLivingBase.posZ, par2EntityLivingBase.rotationYaw, par2EntityLivingBase.rotationPitch);

        this.posX -= (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);

        this.posY -= 0.10000000149011612D;

        this.posZ -= (double)(MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);

        this.setPosition(this.posX, this.posY, this.posZ);

        this.yOffset = 0.0F;

        this.motionX = (double)(-MathHelper.sin(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI));

        this.motionZ = (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * MathHelper.cos(this.rotationPitch / 180.0F * (float)Math.PI));

        this.motionY = (double)(-MathHelper.sin(this.rotationPitch / 180.0F * (float)Math.PI));

        this.setThrowableHeading(this.motionX, this.motionY, this.motionZ, par3 * 1.5F, 1.0F);

    }

 

    protected void entityInit()

    {

        this.dataWatcher.addObject(16, Byte.valueOf((byte)0));

    }

 

    /**

    * Similar to setArrowHeading, it's point the throwable entity to a x, y, z direction.

    */

    public void setThrowableHeading(double par1, double par3, double par5, float par7, float par8)

    {

        float f2 = MathHelper.sqrt_double(par1 * par1 + par3 * par3 + par5 * par5);

        par1 /= (double)f2;

        par3 /= (double)f2;

        par5 /= (double)f2;

        par1 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;

        par3 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;

        par5 += this.rand.nextGaussian() * (double)(this.rand.nextBoolean() ? -1 : 1) * 0.007499999832361937D * (double)par8;

        par1 *= (double)par7;

        par3 *= (double)par7;

        par5 *= (double)par7;

        this.motionX = par1;

        this.motionY = par3;

        this.motionZ = par5;

        float f3 = MathHelper.sqrt_double(par1 * par1 + par5 * par5);

        this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);

        this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)f3) * 180.0D / Math.PI);

        this.ticksInGround = 0;

    }

 

    /**

    * Sets the position and rotation. Only difference from the other one is no bounding on the rotation. Args: posX,

    * posY, posZ, yaw, pitch

    */

    @SideOnly(Side.CLIENT)

    public void setPositionAndRotation2(double par1, double par3, double par5, float par7, float par8, int par9)

    {

        this.setPosition(par1, par3, par5);

        this.setRotation(par7, par8);

    }

 

    /**

    * Sets the velocity to the args. Args: x, y, z

    */

    @SideOnly(Side.CLIENT)

    public void setVelocity(double par1, double par3, double par5)

    {

        this.motionX = par1;

        this.motionY = par3;

        this.motionZ = par5;

 

        if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)

        {

            float f = MathHelper.sqrt_double(par1 * par1 + par5 * par5);

            this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(par1, par5) * 180.0D / Math.PI);

            this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(par3, (double)f) * 180.0D / Math.PI);

            this.prevRotationPitch = this.rotationPitch;

            this.prevRotationYaw = this.rotationYaw;

            this.setLocationAndAngles(this.posX, this.posY, this.posZ, this.rotationYaw, this.rotationPitch);

            this.ticksInGround = 0;

        }

    }

 

    /**

    * Called to update the entity's position/logic.

    */

    public void onUpdate()

    {

        super.onUpdate();

 

        if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F)

        {

            float f = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);

            this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);

            this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(this.motionY, (double)f) * 180.0D / Math.PI);

        }

 

        Block block = this.worldObj.getBlock(this.field_145791_d, this.field_145792_e, this.field_145789_f);

 

        if (block.getMaterial() != Material.air)

        {

            block.setBlockBoundsBasedOnState(this.worldObj, this.field_145791_d, this.field_145792_e, this.field_145789_f);

            AxisAlignedBB axisalignedbb = block.getCollisionBoundingBoxFromPool(this.worldObj, this.field_145791_d, this.field_145792_e, this.field_145789_f);

 

            if (axisalignedbb != null && axisalignedbb.isVecInside(this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ)))

            {

                this.inGround = true;

            }

        }

 

        if (this.arrowShake > 0)

        {

            --this.arrowShake;

        }

 

        if (this.inGround)

        {

            int j = this.worldObj.getBlockMetadata(this.field_145791_d, this.field_145792_e, this.field_145789_f);

 

            if (block == this.field_145790_g && j == this.inData)

            {

                ++this.ticksInGround;

 

                if (this.ticksInGround == 1200)

                {

                    this.setDead();

                }

            }

            else

            {

                this.inGround = false;

                this.motionX *= (double)(this.rand.nextFloat() * 0.2F);

                this.motionY *= (double)(this.rand.nextFloat() * 0.2F);

                this.motionZ *= (double)(this.rand.nextFloat() * 0.2F);

                this.ticksInGround = 0;

                this.ticksInAir = 0;

            }

        }

        else

        {

            ++this.ticksInAir;

            Vec3 vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);

            Vec3 vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);

            MovingObjectPosition movingobjectposition = this.worldObj.func_147447_a(vec31, vec3, false, true, false);

            vec31 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX, this.posY, this.posZ);

            vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);

 

            if (movingobjectposition != null)

            {

                vec3 = this.worldObj.getWorldVec3Pool().getVecFromPool(movingobjectposition.hitVec.xCoord, movingobjectposition.hitVec.yCoord, movingobjectposition.hitVec.zCoord);

            }

 

            Entity entity = null;

            List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D));

            double d0 = 0.0D;

            int i;

            float f1;

 

            for (i = 0; i < list.size(); ++i)

            {

                Entity entity1 = (Entity)list.get(i);

 

                if (entity1.canBeCollidedWith() && (entity1 != this.shootingEntity || this.ticksInAir >= 5))

                {

                    f1 = 0.3F;

                    AxisAlignedBB axisalignedbb1 = entity1.boundingBox.expand((double)f1, (double)f1, (double)f1);

                    MovingObjectPosition movingobjectposition1 = axisalignedbb1.calculateIntercept(vec31, vec3);

 

                    if (movingobjectposition1 != null)

                    {

                        double d1 = vec31.distanceTo(movingobjectposition1.hitVec);

 

                        if (d1 < d0 || d0 == 0.0D)

                        {

                            entity = entity1;

                            d0 = d1;

                        }

                    }

                }

            }

 

            if (entity != null)

            {

                movingobjectposition = new MovingObjectPosition(entity);

            }

 

            if (movingobjectposition != null && movingobjectposition.entityHit != null && movingobjectposition.entityHit instanceof EntityPlayer)

            {

                EntityPlayer entityplayer = (EntityPlayer)movingobjectposition.entityHit;

 

                if (entityplayer.capabilities.disableDamage || this.shootingEntity instanceof EntityPlayer && !((EntityPlayer)this.shootingEntity).canAttackPlayer(entityplayer))

                {

                    movingobjectposition = null;

                }

            }

 

            float f2;

            float f4;

 

            if (movingobjectposition != null)

            {

                if (movingobjectposition.entityHit != null)

                {

                    f2 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);

                    int k = MathHelper.ceiling_double_int((double)f2 * this.damage);

 

                    if (this.getIsCritical())

                    {

                        k += this.rand.nextInt(k / 2 + 2);

                    }

 

                    DamageSource damagesource = null;

 

                    if (this.shootingEntity == null)

                    {

                        damagesource = DamageSource.causeThrownDamage(this, this);

                    }

                    else

                    {

                        damagesource = DamageSource.causeThrownDamage(this, this.shootingEntity);

                    }

 

                    if (this.isBurning() && !(movingobjectposition.entityHit instanceof EntityEnderman))

                    {

                        movingobjectposition.entityHit.setFire(5);

                    }

 

                    if (movingobjectposition.entityHit.attackEntityFrom(damagesource, (float)k))

                    {

                        if (movingobjectposition.entityHit instanceof EntityLivingBase)

                        {

                            EntityLivingBase entitylivingbase = (EntityLivingBase)movingobjectposition.entityHit;

 

                            if (!this.worldObj.isRemote)

                            {

                                entitylivingbase.setArrowCountInEntity(entitylivingbase.getArrowCountInEntity() + 1);

                            }

 

                            if (this.knockbackStrength > 0)

                            {

                                f4 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);

 

                                if (f4 > 0.0F)

                                {

                                    movingobjectposition.entityHit.addVelocity(this.motionX * (double)this.knockbackStrength * 0.6000000238418579D / (double)f4, 0.1D, this.motionZ * (double)this.knockbackStrength * 0.6000000238418579D / (double)f4);

                                }

                            }

 

                            if (this.shootingEntity != null && this.shootingEntity instanceof EntityLivingBase)

                            {

                                EnchantmentHelper.func_151384_a(entitylivingbase, this.shootingEntity);

                                EnchantmentHelper.func_151385_b((EntityLivingBase)this.shootingEntity, entitylivingbase);

                            }

 

                            if (this.shootingEntity != null && movingobjectposition.entityHit != this.shootingEntity && movingobjectposition.entityHit instanceof EntityPlayer && this.shootingEntity instanceof EntityPlayerMP)

                            {

                                ((EntityPlayerMP)this.shootingEntity).playerNetServerHandler.sendPacket(new S2BPacketChangeGameState(6, 0.0F));

                            }

                        }

 

                        this.playSound("random.bowhit", 1.0F, 1.2F / (this.rand.nextFloat() * 0.2F + 0.9F));

 

                        if (!(movingobjectposition.entityHit instanceof EntityEnderman))

                        {

                            this.setDead();

                        }

                    }

                    else

                    {

                        this.motionX *= -0.10000000149011612D;

                        this.motionY *= -0.10000000149011612D;

                        this.motionZ *= -0.10000000149011612D;

                        this.rotationYaw += 180.0F;

                        this.prevRotationYaw += 180.0F;

                        this.ticksInAir = 0;

                    }

                }

                else

                {

                    this.field_145791_d = movingobjectposition.blockX;

                    this.field_145792_e = movingobjectposition.blockY;

                    this.field_145789_f = movingobjectposition.blockZ;

                    this.field_145790_g = block;

                    this.inData = this.worldObj.getBlockMetadata(this.field_145791_d, this.field_145792_e, this.field_145789_f);

                    this.motionX = (double)((float)(movingobjectposition.hitVec.xCoord - this.posX));

                    this.motionY = (double)((float)(movingobjectposition.hitVec.yCoord - this.posY));

                    this.motionZ = (double)((float)(movingobjectposition.hitVec.zCoord - this.posZ));

                    f2 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);

                    this.posX -= this.motionX / (double)f2 * 0.05000000074505806D;

                    this.posY -= this.motionY / (double)f2 * 0.05000000074505806D;

                    this.posZ -= this.motionZ / (double)f2 * 0.05000000074505806D;

                    this.playSound("random.bowhit", 1.0F, 1.2F / (this.rand.nextFloat() * 0.2F + 0.9F));

                    this.inGround = true;

                    this.arrowShake = 7;

                    this.setIsCritical(false);

 

                    if (this.field_145790_g.getMaterial() != Material.air)

                    {

                        this.field_145790_g.onEntityCollidedWithBlock(this.worldObj, this.field_145791_d, this.field_145792_e, this.field_145789_f, this);

                    }

                }

            }

 

            if (this.getIsCritical())

            {

                for (i = 0; i < 4; ++i)

                {

                    this.worldObj.spawnParticle("crit", this.posX + this.motionX * (double)i / 4.0D, this.posY + this.motionY * (double)i / 4.0D, this.posZ + this.motionZ * (double)i / 4.0D, -this.motionX, -this.motionY + 0.2D, -this.motionZ);

                }

            }

 

            this.posX += this.motionX;

            this.posY += this.motionY;

            this.posZ += this.motionZ;

            f2 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);

            this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);

 

            for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)f2) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F)

            {

                ;

            }

 

            while (this.rotationPitch - this.prevRotationPitch >= 180.0F)

            {

                this.prevRotationPitch += 360.0F;

            }

 

            while (this.rotationYaw - this.prevRotationYaw < -180.0F)

            {

                this.prevRotationYaw -= 360.0F;

            }

 

            while (this.rotationYaw - this.prevRotationYaw >= 180.0F)

            {

                this.prevRotationYaw += 360.0F;

            }

 

            this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F;

            this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F;

            float f3 = 0.99F;

            f1 = 0.05F;

 

            if (this.isInWater())

            {

                for (int l = 0; l < 4; ++l)

                {

                    f4 = 0.25F;

                    this.worldObj.spawnParticle("bubble", this.posX - this.motionX * (double)f4, this.posY - this.motionY * (double)f4, this.posZ - this.motionZ * (double)f4, this.motionX, this.motionY, this.motionZ);

                }

 

                f3 = 0.8F;

            }

 

            if (this.isWet())

            {

                this.extinguish();

            }

 

            this.motionX *= (double)f3;

            this.motionY *= (double)f3;

            this.motionZ *= (double)f3;

            this.motionY -= (double)f1;

            this.setPosition(this.posX, this.posY, this.posZ);

            this.func_145775_I();

        }

    }

 

    /**

    * (abstract) Protected helper method to write subclass entity data to NBT.

    */

    public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)

    {

        par1NBTTagCompound.setShort("xTile", (short)this.field_145791_d);

        par1NBTTagCompound.setShort("yTile", (short)this.field_145792_e);

        par1NBTTagCompound.setShort("zTile", (short)this.field_145789_f);

        par1NBTTagCompound.setShort("life", (short)this.ticksInGround);

        par1NBTTagCompound.setByte("inTile", (byte)Block.getIdFromBlock(this.field_145790_g));

        par1NBTTagCompound.setByte("inData", (byte)this.inData);

        par1NBTTagCompound.setByte("shake", (byte)this.arrowShake);

        par1NBTTagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0));

        par1NBTTagCompound.setByte("pickup", (byte)this.canBePickedUp);

        par1NBTTagCompound.setDouble("damage", this.damage);

    }

 

    /**

    * (abstract) Protected helper method to read subclass entity data from NBT.

    */

    public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)

    {

        this.field_145791_d = par1NBTTagCompound.getShort("xTile");

        this.field_145792_e = par1NBTTagCompound.getShort("yTile");

        this.field_145789_f = par1NBTTagCompound.getShort("zTile");

        this.ticksInGround = par1NBTTagCompound.getShort("life");

        this.field_145790_g = Block.getBlockById(par1NBTTagCompound.getByte("inTile") & 255);

        this.inData = par1NBTTagCompound.getByte("inData") & 255;

        this.arrowShake = par1NBTTagCompound.getByte("shake") & 255;

        this.inGround = par1NBTTagCompound.getByte("inGround") == 1;

 

        if (par1NBTTagCompound.hasKey("damage", 99))

        {

            this.damage = par1NBTTagCompound.getDouble("damage");

        }

 

        if (par1NBTTagCompound.hasKey("pickup", 99))

        {

            this.canBePickedUp = par1NBTTagCompound.getByte("pickup");

        }

        else if (par1NBTTagCompound.hasKey("player", 99))

        {

            this.canBePickedUp = par1NBTTagCompound.getBoolean("player") ? 1 : 0;

        }

    }

 

    /**

    * Called by a player entity when they collide with an entity

    */

    public void onCollideWithPlayer(EntityPlayer par1EntityPlayer)

    {

        if (!this.worldObj.isRemote && this.inGround && this.arrowShake <= 0)

        {

            boolean flag = this.canBePickedUp == 1 || this.canBePickedUp == 2 && par1EntityPlayer.capabilities.isCreativeMode;

 

            if (this.canBePickedUp == 1 && !par1EntityPlayer.inventory.addItemStackToInventory(new ItemStack(Items.arrow, 1)))

            {

                flag = false;

            }

 

            if (flag)

            {

                this.playSound("random.pop", 0.2F, ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.7F + 1.0F) * 2.0F);

                par1EntityPlayer.onItemPickup(this, 1);

                this.setDead();

            }

        }

    }

 

    /**

    * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to

    * prevent them from trampling crops

    */

    protected boolean canTriggerWalking()

    {

        return false;

    }

 

    @SideOnly(Side.CLIENT)

    public float getShadowSize()

    {

        return 0.0F;

    }

 

    public void setDamage(double par1)

    {

        this.damage = par1;

    }

 

    public double getDamage()

    {

        return this.damage;

    }

 

    /**

    * Sets the amount of knockback the arrow applies when it hits a mob.

    */

    public void setKnockbackStrength(int par1)

    {

        this.knockbackStrength = par1;

    }

 

    /**

    * If returns false, the item will not inflict any damage against entities.

    */

    public boolean canAttackWithItem()

    {

        return false;

    }

 

    /**

    * Whether the arrow has a stream of critical hit particles flying behind it.

    */

    public void setIsCritical(boolean par1)

    {

        byte b0 = this.dataWatcher.getWatchableObjectByte(16);

 

        if (par1)

        {

            this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 | 1)));

        }

        else

        {

            this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 & -2)));

        }

    }

 

    /**

    * Whether the arrow has a stream of critical hit particles flying behind it.

    */

    public boolean getIsCritical()

    {

        byte b0 = this.dataWatcher.getWatchableObjectByte(16);

        return (b0 & 1) != 0;

    }

}

 

 

 

RenderDart.java

 

 

package com.ctwagon.testmod.render;

 

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

import net.minecraft.client.renderer.Tessellator;

import net.minecraft.client.renderer.entity.Render;

import net.minecraft.entity.Entity;

import net.minecraft.util.MathHelper;

import net.minecraft.util.ResourceLocation;

 

import org.lwjgl.opengl.GL11;

import org.lwjgl.opengl.GL12;

 

import com.ctwagon.testmod.Testmod;

import com.ctwagon.testmod.entity.EntityDart;

 

@SideOnly(Side.CLIENT)

public class RenderDart extends Render

{

    private static final ResourceLocation dartTextures = new ResourceLocation(Testmod.MODID + ":textures/entity/dart.png");

    private static final String __OBFID = "CL_00000978";

 

    /**

    * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then

    * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic

    * (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1,

    * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.

    */

    public void doRender(EntityDart par1EntityDart, double par2, double par4, double par6, float par8, float par9)

    {

        this.bindEntityTexture(par1EntityDart);

        GL11.glPushMatrix();

        GL11.glTranslatef((float)par2, (float)par4, (float)par6);

        GL11.glRotatef(par1EntityDart.prevRotationYaw + (par1EntityDart.rotationYaw - par1EntityDart.prevRotationYaw) * par9 - 90.0F, 0.0F, 1.0F, 0.0F);

        GL11.glRotatef(par1EntityDart.prevRotationPitch + (par1EntityDart.rotationPitch - par1EntityDart.prevRotationPitch) * par9, 0.0F, 0.0F, 1.0F);

        Tessellator tessellator = Tessellator.instance;

        byte b0 = 0;

        float f2 = 0.0F;

        float f3 = 0.5F;

        float f4 = (float)(0 + b0 * 10) / 32.0F;

        float f5 = (float)(5 + b0 * 10) / 32.0F;

        float f6 = 0.0F;

        float f7 = 0.15625F;

        float f8 = (float)(5 + b0 * 10) / 32.0F;

        float f9 = (float)(10 + b0 * 10) / 32.0F;

        float f10 = 0.05625F;

        GL11.glEnable(GL12.GL_RESCALE_NORMAL);

        float f11 = 0;

 

        if (f11 > 0.0F)

        {

            float f12 = -MathHelper.sin(f11 * 3.0F) * f11;

            GL11.glRotatef(f12, 0.0F, 0.0F, 1.0F);

        }

 

        GL11.glRotatef(45.0F, 1.0F, 0.0F, 0.0F);

        GL11.glScalef(f10, f10, f10);

        GL11.glTranslatef(-4.0F, 0.0F, 0.0F);

        GL11.glNormal3f(f10, 0.0F, 0.0F);

        tessellator.startDrawingQuads();

        tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double)f6, (double)f8);

        tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double)f7, (double)f8);

        tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double)f7, (double)f9);

        tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double)f6, (double)f9);

        tessellator.draw();

        GL11.glNormal3f(-f10, 0.0F, 0.0F);

        tessellator.startDrawingQuads();

        tessellator.addVertexWithUV(-7.0D, 2.0D, -2.0D, (double)f6, (double)f8);

        tessellator.addVertexWithUV(-7.0D, 2.0D, 2.0D, (double)f7, (double)f8);

        tessellator.addVertexWithUV(-7.0D, -2.0D, 2.0D, (double)f7, (double)f9);

        tessellator.addVertexWithUV(-7.0D, -2.0D, -2.0D, (double)f6, (double)f9);

        tessellator.draw();

 

        for (int i = 0; i < 4; ++i)

        {

            GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);

            GL11.glNormal3f(0.0F, 0.0F, f10);

            tessellator.startDrawingQuads();

            tessellator.addVertexWithUV(-8.0D, -2.0D, 0.0D, (double)f2, (double)f4);

            tessellator.addVertexWithUV(8.0D, -2.0D, 0.0D, (double)f3, (double)f4);

            tessellator.addVertexWithUV(8.0D, 2.0D, 0.0D, (double)f3, (double)f5);

            tessellator.addVertexWithUV(-8.0D, 2.0D, 0.0D, (double)f2, (double)f5);

            tessellator.draw();

        }

 

        GL11.glDisable(GL12.GL_RESCALE_NORMAL);

        GL11.glPopMatrix();

    }

 

    /**

    * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.

    */

    protected ResourceLocation getEntityTexture(EntityDart par1EntityDart)

    {

        return dartTextures;

    }

 

    /**

    * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.

    */

    protected ResourceLocation getEntityTexture(Entity par1Entity)

    {

        return this.getEntityTexture((EntityDart)par1Entity);

    }

 

    /**

    * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then

    * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic

    * (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1,

    * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.

    */

    public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)

    {

        this.doRender((EntityDart)par1Entity, par2, par4, par6, par8, par9);

    }

}

 

 

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