TinkersConstruct/src/main/java/tconstruct/tools/entity/ArrowEntity.java

package tconstruct.tools.entity;

import cpw.mods.fml.common.network.ByteBufUtils;
import cpw.mods.fml.common.registry.IEntityAdditionalSpawnData;
import io.netty.buffer.ByteBuf;
import java.util.*;
import net.minecraft.block.Block;
import net.minecraft.crash.*;
import net.minecraft.entity.*;
import net.minecraft.entity.monster.EntityEnderman;
import net.minecraft.entity.player.*;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.init.Blocks;
import net.minecraft.item.*;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.play.server.S2BPacketChangeGameState;
import net.minecraft.util.*;
import net.minecraft.world.World;

@Deprecated
public class ArrowEntity extends EntityArrow implements IEntityAdditionalSpawnData {
    public ItemStack returnStack;
    public float mass;
    public int baseDamage;
    private float knockbackStrengthMod;
    Random random = new Random();

    public ArrowEntity(World par1World) {
        super(par1World);
    }

    public ArrowEntity(World world, EntityLivingBase living, float baseSpeed, ItemStack stack) {
        super(world, living, baseSpeed);
        this.returnStack = stack;
        NBTTagCompound toolTag = stack.getTagCompound().getCompoundTag("InfiTool");
        this.mass = toolTag.getFloat("Mass");
        this.baseDamage = toolTag.getInteger("Attack");
    }

    public ArrowEntity(World world, double x, double y, double z, ItemStack stack) {
        super(world, x, y, z);
        this.returnStack = stack;
        NBTTagCompound toolTag = stack.getTagCompound().getCompoundTag("InfiTool");
        this.mass = toolTag.getFloat("Mass");
        this.baseDamage = toolTag.getInteger("Attack");
    }

    @Override
    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(returnStack)) {
                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);
                if (returnStack.stackSize <= 0 || this.canBePickedUp == 2) this.setDead();
            }
        }
    }

    @Override
    public void onUpdate() {
        this.onEntityUpdate();
        if (returnStack == null || returnStack.stackSize < 1) {
            this.setDead();
        }

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

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

        if (axisalignedbb != null
                && axisalignedbb.isVecInside(Vec3.createVectorHelper(this.posX, this.posY, this.posZ))) {
            this.inGround = true;
        }

        if (this.arrowShake > 0) {
            --this.arrowShake;
        }

        if (this.inGround) {
            if (!worldObj.isRemote) {
                Block j = this.worldObj.getBlock(this.field_145791_d, this.field_145792_e, this.field_145789_f);
                int k = this.worldObj.getBlockMetadata(this.field_145791_d, this.field_145792_e, this.field_145789_f);

                if (j == this.field_145790_g && k == this.inData) {
                    ++this.ticksInGround;

                    if (this.ticksInGround == 120000) {
                        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 vec3 = Vec3.createVectorHelper(this.posX, this.posY, this.posZ);
            Vec3 vec31 = Vec3.createVectorHelper(
                    this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
            MovingObjectPosition movingobjectposition = this.worldObj.func_147447_a(vec3, vec31, false, true, false);
            vec3 = Vec3.createVectorHelper(this.posX, this.posY, this.posZ);
            vec31 = Vec3.createVectorHelper(
                    this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);

            if (movingobjectposition != null) {
                vec31 = Vec3.createVectorHelper(
                        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 l;
            float ySpeed;

            for (l = 0; l < list.size(); ++l) {
                Entity entity1 = (Entity) list.get(l);

                if (entity1.canBeCollidedWith() && (entity1 != this.shootingEntity || this.ticksInAir >= 5)) {
                    ySpeed = 0.3F;
                    AxisAlignedBB axisalignedbb1 =
                            entity1.boundingBox.expand((double) ySpeed, (double) ySpeed, (double) ySpeed);
                    MovingObjectPosition movingobjectposition1 = axisalignedbb1.calculateIntercept(vec3, vec31);

                    if (movingobjectposition1 != null) {
                        double d1 = vec3.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 instanceof EntityPlayer) {
                EntityPlayer entityplayer = (EntityPlayer) movingobjectposition.entityHit;

                if (entityplayer.capabilities.disableDamage
                        || this.shootingEntity instanceof EntityPlayer
                                && !((EntityPlayer) this.shootingEntity).canAttackPlayer(entityplayer)) {
                    movingobjectposition = null;
                }
            }

            float speed;
            float f3;

            if (movingobjectposition != null) {
                if (movingobjectposition.entityHit != null) {
                    speed = MathHelper.sqrt_double(
                            this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
                    double damageSpeed = (double) speed * this.getDamage();
                    damageSpeed *= baseDamage;
                    damageSpeed /= 5D;
                    int damageInflicted = MathHelper.ceiling_double_int(damageSpeed);

                    if (this.getIsCritical()) {
                        damageInflicted += this.rand.nextInt(damageInflicted / 2 + 2);
                    }

                    DamageSource damagesource = null;

                    if (this.shootingEntity == null) {
                        damagesource = DamageSource.causeArrowDamage(this, this);
                    } else {
                        damagesource = DamageSource.causeArrowDamage(this, this.shootingEntity);
                    }

                    if (this.isBurning() && !(movingobjectposition.entityHit instanceof EntityEnderman)) {
                        movingobjectposition.entityHit.setFire(5);
                    }

                    if (returnStack.hasTagCompound()) {
                        int fireAspect = 0;
                        NBTTagCompound toolTags = returnStack.getTagCompound().getCompoundTag("InfiTool");
                        if (toolTags.hasKey("Fiery") || toolTags.hasKey("Lava")) {
                            fireAspect *= 4;
                            if (toolTags.hasKey("Fiery")) {
                                fireAspect += toolTags.getInteger("Fiery") / 5 + 1;
                            }
                            if (toolTags.getBoolean("Lava")) {
                                fireAspect += 3;
                            }
                            entity.setFire(fireAspect);
                        }

                        int drain = toolTags.getInteger("Necrotic") * 2;
                        if (drain > 0 && shootingEntity != null && shootingEntity instanceof EntityLiving)
                            ((EntityLiving) shootingEntity).heal(random.nextInt(drain + 1));
                    }

                    if (movingobjectposition.entityHit.attackEntityFrom(damagesource, damageInflicted)) {
                        if (movingobjectposition.entityHit instanceof EntityLivingBase) {
                            EntityLivingBase entityliving = (EntityLivingBase) movingobjectposition.entityHit;

                            if (!this.worldObj.isRemote) {
                                entityliving.setArrowCountInEntity(entityliving.getArrowCountInEntity() + 1);
                            }

                            if (this.knockbackStrength > 0 || this.knockbackStrengthMod > 0) {
                                f3 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ);

                                if (f3 > 0.0F) {
                                    float knockback = knockbackStrength + knockbackStrengthMod;
                                    movingobjectposition.entityHit.addVelocity(
                                            this.motionX
                                                    * (double) this.knockbackStrength
                                                    * 0.6000000238418579D
                                                    / (double) f3,
                                            0.1D,
                                            this.motionZ * (double) knockback * 0.6000000238418579D / (double) f3);
                                }
                            }

                            if (this.shootingEntity != null) {
                                damagesource = DamageSource.causeArrowDamage(this, this);
                            } else {
                                damagesource = DamageSource.causeArrowDamage(this, this.shootingEntity);
                            }

                            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));
                                // TConstruct.packetPipeline.sendTo(new
                                // S2BPacketChangeGameState(6, 0),
                                // (EntityPlayerMP) this.shootingEntity);
                            }
                        }

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

                        if (!(movingobjectposition.entityHit instanceof EntityEnderman)) {
                            this.motionX = 0;
                            this.motionZ = 0;
                            if (movingobjectposition.entityHit instanceof EntityPlayer) {
                                EntityPlayer player = (EntityPlayer) movingobjectposition.entityHit;
                                if (canBePickedUp == 2 || player.inventory.addItemStackToInventory(returnStack))
                                    this.setDead();
                            } else if (movingobjectposition.entityHit instanceof EntityLivingBase) {
                                EntityLivingBase living = (EntityLivingBase) movingobjectposition.entityHit;
                                if (canBePickedUp == 2 || addItemStackToInventory(returnStack, living)) 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 =
                            this.worldObj.getBlock(this.field_145791_d, this.field_145792_e, this.field_145789_f);
                    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));
                    speed = MathHelper.sqrt_double(
                            this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
                    this.posX -= this.motionX / (double) speed * 0.05000000074505806D;
                    this.posY -= this.motionY / (double) speed * 0.05000000074505806D;
                    this.posZ -= this.motionZ / (double) speed * 0.05000000074505806D;
                    this.playSound("random.bowhit", 1.0F, 1.2F / (this.rand.nextFloat() * 0.2F + 0.9F));
                    this.inGround = true;
                    this.arrowShake = 0;
                    this.setIsCritical(false);

                    if (this.field_145790_g != Blocks.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 (l = 0; l < 4; ++l) {
                    this.worldObj.spawnParticle(
                            "crit",
                            this.posX + this.motionX * (double) l / 4.0D,
                            this.posY + this.motionY * (double) l / 4.0D,
                            this.posZ + this.motionZ * (double) l / 4.0D,
                            -this.motionX,
                            -this.motionY + 0.2D,
                            -this.motionZ);
                }
            }

            this.posX += this.motionX;
            this.posY += this.motionY;
            this.posZ += this.motionZ;
            speed = 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) speed) * 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 dropSpeed = 0.99F;
            float speedMod = 1.05f + (mass / 1.26F) / 6F;
            ySpeed = 0.05F * speedMod;

            if (this.isInWater()) {
                for (int j1 = 0; j1 < 4; ++j1) {
                    f3 = 0.25F;
                    this.worldObj.spawnParticle(
                            "bubble",
                            this.posX - this.motionX * (double) f3,
                            this.posY - this.motionY * (double) f3,
                            this.posZ - this.motionZ * (double) f3,
                            this.motionX,
                            this.motionY,
                            this.motionZ);
                }

                dropSpeed = 0.8F;
            }

            this.motionX *= (double) dropSpeed;
            this.motionY *= (double) dropSpeed;
            this.motionZ *= (double) dropSpeed;
            this.motionY -= (double) ySpeed;
            this.setPosition(this.posX, this.posY, this.posZ);
            this.func_145775_I();
        }
    }

    public boolean addItemStackToInventory(ItemStack par1ItemStack, EntityLivingBase living) {
        if (par1ItemStack == null) {
            return false;
        } else {
            try {
                int stackSize;

                do {
                    stackSize = par1ItemStack.stackSize;
                    par1ItemStack.stackSize = this.storePartialItemStack(par1ItemStack, living);
                } while (par1ItemStack.stackSize > 0 && par1ItemStack.stackSize < stackSize);

                return par1ItemStack.stackSize < stackSize;
            } catch (Throwable throwable) {
                CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Adding item to inventory");
                CrashReportCategory crashreportcategory = crashreport.makeCategory("Item being added");
                // TODO is this needed???
                // crashreportcategory.addCrashSection("Item ID",
                // Integer.valueOf(par1ItemStack.itemID));
                crashreportcategory.addCrashSection("Item data", par1ItemStack.getItemDamage());
                // crashreportcategory.addCrashSectionCallable("Item name", new
                // CallableItemName(this, par1ItemStack));
                throw new ReportedException(crashreport);
            }
        }
    }

    public int getFirstEmptyStack(EntityLivingBase living) {
        for (int i = 0; i < 5; ++i) {
            if (living.getEquipmentInSlot(i) == null) {
                return i;
            }
        }

        return -1;
    }

    private int storePartialItemStack(ItemStack par1ItemStack, EntityLivingBase living) {
        int stackSize = par1ItemStack.stackSize;
        int slotID;

        if (!par1ItemStack.isStackable()) {
            slotID = this.getFirstEmptyStack(living);

            if (slotID < 0) {
                return stackSize;
            } else {
                living.setCurrentItemOrArmor(slotID, par1ItemStack.copy());
                if (living instanceof EntityLiving) ((EntityLiving) living).setEquipmentDropChance(slotID, 2.0f);

                return 0;
            }
        } else {
            slotID = this.storeItemStack(par1ItemStack, living);

            if (slotID < 0) {
                slotID = this.getFirstEmptyStack(living);
            }

            if (slotID < 0) {
                return stackSize;
            } else {
                ItemStack stack = living.getEquipmentInSlot(slotID);
                if (stack == null) {
                    living.setCurrentItemOrArmor(slotID, par1ItemStack.copy());
                    if (living instanceof EntityLiving) ((EntityLiving) living).setEquipmentDropChance(slotID, 2.0f);
                    return 0;
                } else {

                    int l = stackSize;

                    if (stackSize > stack.getMaxStackSize() - stack.stackSize) {
                        l = stack.getMaxStackSize() - stack.stackSize;
                    }

                    if (l > 64 - stack.stackSize) {
                        l = 64 - stack.stackSize;
                    }

                    if (l != 0) {
                        stackSize -= l;
                        stack.stackSize += l;
                        living.setCurrentItemOrArmor(slotID, stack);
                        if (living instanceof EntityLiving) {
                            ((EntityLiving) living).setEquipmentDropChance(slotID, 2.0f);
                        }
                    }
                    return stackSize;
                }
            }
        }
    }

    private int storeItemStack(ItemStack par1ItemStack, EntityLivingBase living) {
        for (int slotID = 0; slotID < 5; ++slotID) {
            ItemStack stack = living.getEquipmentInSlot(slotID);
            if (stack != null
                    && stack.isItemEqual(par1ItemStack)
                    && ItemStack.areItemStackTagsEqual(stack, par1ItemStack)
                    && stack.isStackable()
                    && stack.stackSize < stack.getMaxStackSize()) {
                return slotID;
            }
        }

        return -1;
    }

    public void setKnockbackModStrength(float par1) {
        this.knockbackStrengthMod = par1;
    }

    @Override
    public void writeEntityToNBT(NBTTagCompound tags) {
        super.writeEntityToNBT(tags);
        tags.setTag("Throwable", this.returnStack.writeToNBT(new NBTTagCompound()));
    }

    @Override
    public void readEntityFromNBT(NBTTagCompound tags) {
        super.readEntityFromNBT(tags);
        this.returnStack = ItemStack.loadItemStackFromNBT(tags.getCompoundTag("Throwable"));
    }

    @Override
    public void writeSpawnData(ByteBuf data) {
        if (!returnStack.hasTagCompound()) this.kill();
        NBTTagCompound tags = returnStack.getTagCompound().getCompoundTag("InfiTool");
        ByteBufUtils.writeItemStack(data, returnStack);
        data.writeFloat(rotationYaw);
        data.writeFloat(mass);
        data.writeInt(tags.getInteger("RenderHandle"));
        data.writeInt(tags.getInteger("RenderHead"));
        data.writeInt(tags.getInteger("RenderAccessory"));

        int effects = 0;
        if (tags.hasKey("Effect1")) effects++;
        if (tags.hasKey("Effect2")) effects++;
        if (tags.hasKey("Effect3")) effects++;
        if (tags.hasKey("Effect4")) effects++;
        if (tags.hasKey("Effect5")) effects++;
        if (tags.hasKey("Effect6")) effects++;
        data.writeInt(effects);

        switch (effects) {
            case 6:
                data.writeInt(tags.getInteger("Effect6"));
            case 5:
                data.writeInt(tags.getInteger("Effect5"));
            case 4:
                data.writeInt(tags.getInteger("Effect4"));
            case 3:
                data.writeInt(tags.getInteger("Effect3"));
            case 2:
                data.writeInt(tags.getInteger("Effect2"));
            case 1:
                data.writeInt(tags.getInteger("Effect1"));
        }
    }

    @Override
    public void readSpawnData(ByteBuf data) {
        returnStack = ByteBufUtils.readItemStack(data);
        rotationYaw = data.readFloat();
        mass = data.readFloat();
        NBTTagCompound compound = new NBTTagCompound();
        NBTTagCompound toolTag = new NBTTagCompound();
        toolTag.setInteger("RenderHandle", data.readInt());
        toolTag.setInteger("RenderHead", data.readInt());
        toolTag.setInteger("RenderAccessory", data.readInt());
        switch (data.readInt()) {
            case 6:
                toolTag.setInteger("Effect6", data.readInt());
            case 5:
                toolTag.setInteger("Effect5", data.readInt());
            case 4:
                toolTag.setInteger("Effect4", data.readInt());
            case 3:
                toolTag.setInteger("Effect3", data.readInt());
            case 2:
                toolTag.setInteger("Effect2", data.readInt());
            case 1:
                toolTag.setInteger("Effect1", data.readInt());
        }
        compound.setTag("InfiTool", toolTag);
        returnStack.setTagCompound(compound);
    }

    public ItemStack getEntityItem() {
        return returnStack;
    }
}