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package darkknight.jewelrycraft.tileentity;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S35PacketUpdateTileEntity;
import net.minecraft.tileentity.TileEntity;
/**
* @author Paul Fulham (pau101)
*/
public class TileEntityHandPedestal extends TileEntity {
protected boolean isDirty;
protected ItemStack heldItemStack;
/**
* When the hand is open the grip is 0 and is 20 when closed.
*/
private float grip;
private float prevGrip;
private float gripMax;
private float gripScale;
private boolean isHandOpen;
/**
*
*/
public TileEntityHandPedestal() {
isDirty = false;
heldItemStack = null;
grip = 0;
gripMax = 20;
gripScale = 1;
isHandOpen = true;
}
/**
* @param tagCompound
*/
@Override
public void writeToNBT(NBTTagCompound tagCompound) {
super.writeToNBT(tagCompound);
if (heldItemStack != null) {
NBTTagCompound objectCompound = new NBTTagCompound();
heldItemStack.writeToNBT(objectCompound);
tagCompound.setTag("object", objectCompound);
}
tagCompound.setBoolean("isHandOpen", isHandOpen);
}
/**
* @param tagCompound
*/
@Override
public void readFromNBT(NBTTagCompound tagCompound) {
super.readFromNBT(tagCompound);
if (tagCompound.hasKey("object", 10))
setHeldItemStack(ItemStack.loadItemStackFromNBT(
tagCompound.getCompoundTag(
"object")));
else
removeHeldItemStack();
isHandOpen = tagCompound.getBoolean("isHandOpen");
}
/**
*
*/
@Override
public void updateEntity() {
super.updateEntity();
updateGrip();
if (isDirty) {
worldObj.markBlockForUpdate(xCoord, yCoord,
zCoord);
isDirty = false;
}
}
/**
*
*/
private void updateGrip() {
prevGrip = grip;
if (grip > 0 && isHandOpen)
grip -= 1 / gripScale;
else if (grip < gripMax && !isHandOpen)
grip += 1 / gripScale;
}
/**
* @return
*/
@Override
public Packet getDescriptionPacket() {
NBTTagCompound nbttagcompound = new NBTTagCompound();
writeToNBT(nbttagcompound);
return new S35PacketUpdateTileEntity(xCoord, yCoord,
zCoord, 0, nbttagcompound);
}
/**
* @param networkManager
* @param packet
*/
@Override
public void onDataPacket(NetworkManager networkManager,
S35PacketUpdateTileEntity packet) {
readFromNBT(packet.func_148857_g());
worldObj.func_147479_m(xCoord, yCoord, zCoord);
}
/**
*
*/
@Override
public void markDirty() {
super.markDirty();
isDirty = true;
}
/**
* @return
*/
public ItemStack getHeldItemStack() {
return heldItemStack;
}
/**
* @param heldItemStack
*/
public void setHeldItemStack(ItemStack heldItemStack) {
if (heldItemStack != null
&& heldItemStack.getItem() != null) {
heldItemStack.stackSize = 1;
this.heldItemStack = heldItemStack;
if (heldItemStack.getItem() instanceof ItemBlock)
gripScale = 0.5f;
else
gripScale = 1;
}
}
/**
*
*/
public void removeHeldItemStack() {
heldItemStack = null;
}
/**
*
*/
public void openHand() {
isHandOpen = true;
}
/**
*
*/
public void closeHand() {
isHandOpen = false;
}
/**
* @param t
* @return
*/
public float getGrip(float t) {
return (prevGrip * (1 - t) + grip * t) / gripMax;
}
/**
* @return
*/
public float getGripScale() {
return gripScale;
}
}
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