package net.minecraft.entity; import java.util.Iterator; import java.util.List; import net.minecraft.block.material.Material; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.DamageSource; import net.minecraft.util.Direction; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public abstract class EntityHanging extends Entity { private int tickCounter1; public int hangingDirection; public int xPosition; public int yPosition; public int zPosition; public EntityHanging(World par1World) { super(par1World); this.tickCounter1 = 0; this.hangingDirection = 0; this.yOffset = 0.0F; this.setSize(0.5F, 0.5F); } public EntityHanging(World par1World, int par2, int par3, int par4, int par5) { this(par1World); this.xPosition = par2; this.yPosition = par3; this.zPosition = par4; } protected void entityInit() {} public void setDirection(int par1) { this.hangingDirection = par1; this.prevRotationYaw = this.rotationYaw = (float)(par1 * 90); float f = (float)this.func_82329_d(); float f1 = (float)this.func_82330_g(); float f2 = (float)this.func_82329_d(); if (par1 != 2 && par1 != 0) { f = 0.5F; } else { f2 = 0.5F; this.rotationYaw = this.prevRotationYaw = (float)(Direction.rotateOpposite[par1] * 90); } f /= 32.0F; f1 /= 32.0F; f2 /= 32.0F; float f3 = (float)this.xPosition + 0.5F; float f4 = (float)this.yPosition + 0.5F; float f5 = (float)this.zPosition + 0.5F; float f6 = 0.5625F; if (par1 == 2) { f5 -= f6; } if (par1 == 1) { f3 -= f6; } if (par1 == 0) { f5 += f6; } if (par1 == 3) { f3 += f6; } if (par1 == 2) { f3 -= this.func_70517_b(this.func_82329_d()); } if (par1 == 1) { f5 += this.func_70517_b(this.func_82329_d()); } if (par1 == 0) { f3 += this.func_70517_b(this.func_82329_d()); } if (par1 == 3) { f5 -= this.func_70517_b(this.func_82329_d()); } f4 += this.func_70517_b(this.func_82330_g()); this.setPosition((double)f3, (double)f4, (double)f5); float f7 = -0.03125F; this.boundingBox.setBounds((double)(f3 - f - f7), (double)(f4 - f1 - f7), (double)(f5 - f2 - f7), (double)(f3 + f + f7), (double)(f4 + f1 + f7), (double)(f5 + f2 + f7)); } private float func_70517_b(int par1) { return par1 == 32 ? 0.5F : (par1 == 64 ? 0.5F : 0.0F); } /** * Called to update the entity's position/logic. */ public void onUpdate() { if (this.tickCounter1++ == 100 && !this.worldObj.isRemote) { this.tickCounter1 = 0; if (!this.isDead && !this.onValidSurface()) { this.setDead(); this.dropItemStack(); } } } /** * checks to make sure painting can be placed there */ public boolean onValidSurface() { if (!this.worldObj.getCollidingBoundingBoxes(this, this.boundingBox).isEmpty()) { return false; } else { int i = Math.max(1, this.func_82329_d() / 16); int j = Math.max(1, this.func_82330_g() / 16); int k = this.xPosition; int l = this.yPosition; int i1 = this.zPosition; if (this.hangingDirection == 2) { k = MathHelper.floor_double(this.posX - (double)((float)this.func_82329_d() / 32.0F)); } if (this.hangingDirection == 1) { i1 = MathHelper.floor_double(this.posZ - (double)((float)this.func_82329_d() / 32.0F)); } if (this.hangingDirection == 0) { k = MathHelper.floor_double(this.posX - (double)((float)this.func_82329_d() / 32.0F)); } if (this.hangingDirection == 3) { i1 = MathHelper.floor_double(this.posZ - (double)((float)this.func_82329_d() / 32.0F)); } l = MathHelper.floor_double(this.posY - (double)((float)this.func_82330_g() / 32.0F)); for (int j1 = 0; j1 < i; ++j1) { for (int k1 = 0; k1 < j; ++k1) { Material material; if (this.hangingDirection != 2 && this.hangingDirection != 0) { material = this.worldObj.getBlockMaterial(this.xPosition, l + k1, i1 + j1); } else { material = this.worldObj.getBlockMaterial(k + j1, l + k1, this.zPosition); } if (!material.isSolid()) { return false; } } } List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox); Iterator iterator = list.iterator(); Entity entity; do { if (!iterator.hasNext()) { return true; } entity = (Entity)iterator.next(); } while (!(entity instanceof EntityHanging)); return false; } } /** * Returns true if other Entities should be prevented from moving through this Entity. */ public boolean canBeCollidedWith() { return true; } public boolean func_85031_j(Entity par1Entity) { return par1Entity instanceof EntityPlayer ? this.attackEntityFrom(DamageSource.causePlayerDamage((EntityPlayer)par1Entity), 0) : false; } /** * Called when the entity is attacked. */ public boolean attackEntityFrom(DamageSource par1DamageSource, int par2) { if (this.isEntityInvulnerable()) { return false; } else { if (!this.isDead && !this.worldObj.isRemote) { this.setDead(); this.setBeenAttacked(); EntityPlayer entityplayer = null; if (par1DamageSource.getEntity() instanceof EntityPlayer) { entityplayer = (EntityPlayer)par1DamageSource.getEntity(); } if (entityplayer != null && entityplayer.capabilities.isCreativeMode) { return true; } this.dropItemStack(); } return true; } } /** * Tries to moves the entity by the passed in displacement. Args: x, y, z */ public void moveEntity(double par1, double par3, double par5) { if (!this.worldObj.isRemote && !this.isDead && par1 * par1 + par3 * par3 + par5 * par5 > 0.0D) { this.setDead(); this.dropItemStack(); } } /** * Adds to the current velocity of the entity. Args: x, y, z */ public void addVelocity(double par1, double par3, double par5) { if (!this.worldObj.isRemote && !this.isDead && par1 * par1 + par3 * par3 + par5 * par5 > 0.0D) { this.setDead(); this.dropItemStack(); } } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) { par1NBTTagCompound.setByte("Direction", (byte)this.hangingDirection); par1NBTTagCompound.setInteger("TileX", this.xPosition); par1NBTTagCompound.setInteger("TileY", this.yPosition); par1NBTTagCompound.setInteger("TileZ", this.zPosition); switch (this.hangingDirection) { case 0: par1NBTTagCompound.setByte("Dir", (byte)2); break; case 1: par1NBTTagCompound.setByte("Dir", (byte)1); break; case 2: par1NBTTagCompound.setByte("Dir", (byte)0); break; case 3: par1NBTTagCompound.setByte("Dir", (byte)3); } } /** * (abstract) Protected helper method to read subclass entity data from NBT. */ public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) { if (par1NBTTagCompound.hasKey("Direction")) { this.hangingDirection = par1NBTTagCompound.getByte("Direction"); } else { switch (par1NBTTagCompound.getByte("Dir")) { case 0: this.hangingDirection = 2; break; case 1: this.hangingDirection = 1; break; case 2: this.hangingDirection = 0; break; case 3: this.hangingDirection = 3; } } this.xPosition = par1NBTTagCompound.getInteger("TileX"); this.yPosition = par1NBTTagCompound.getInteger("TileY"); this.zPosition = par1NBTTagCompound.getInteger("TileZ"); this.setDirection(this.hangingDirection); } public abstract int func_82329_d(); public abstract int func_82330_g(); /** * Drop the item currently on this item frame. */ public abstract void dropItemStack(); }