1 files changed, 77 insertions, 0 deletions
diff --git a/common/darkknight/jewelrycraft/tileentity/TileEntityBlockShadow.java b/common/darkknight/jewelrycraft/tileentity/TileEntityBlockShadow.java
new file mode 100644
index 0000000..138d0ab
--- /dev/null
+++ b/common/darkknight/jewelrycraft/tileentity/TileEntityBlockShadow.java
@@ -0,0 +1,77 @@
+package darkknight.jewelrycraft.tileentity;
+
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.network.INetworkManager;
+import net.minecraft.network.packet.Packet;
+import net.minecraft.network.packet.Packet132TileEntityData;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.MathHelper;
+import net.minecraft.world.EnumSkyBlock;
+
+public class TileEntityBlockShadow extends TileEntity
+{
+    public int metadata;
+
+    public TileEntityBlockShadow()
+    {
+        this.metadata = -1;
+    }
+
+    @Override
+    public void writeToNBT(NBTTagCompound nbt)
+    {
+        super.writeToNBT(nbt);
+        nbt.setInteger("metadata", metadata);
+    }
+
+    @Override
+    public void readFromNBT(NBTTagCompound nbt)
+    {
+        super.readFromNBT(nbt);
+        this.metadata = nbt.getInteger("metadata");
+    }
+
+    @Override
+    public void updateEntity()
+    {
+        super.updateEntity();
+        int blockLight, realLight;
+        int lightValue = worldObj.getSavedLightValue(EnumSkyBlock.Sky, xCoord, yCoord, zCoord) - worldObj.skylightSubtracted;
+        float sunPosAngle = worldObj.getCelestialAngleRadians(1.0F);
+
+        if (sunPosAngle < (float)Math.PI) sunPosAngle += (0.0F - sunPosAngle) * 0.2F;
+        else sunPosAngle += (((float)Math.PI * 2F) - sunPosAngle) * 0.2F;
+
+        lightValue = Math.round((float)lightValue * MathHelper.cos(sunPosAngle));
+
+        if (lightValue < 0) lightValue = 0;
+        if (lightValue > 15) lightValue = 15;
+
+        blockLight = worldObj.getChunkFromBlockCoords(xCoord, zCoord).getSavedLightValue(EnumSkyBlock.Block, xCoord & 15, yCoord, zCoord & 15);
+        realLight = worldObj.getChunkFromBlockCoords(xCoord, zCoord).getBlockLightValue(xCoord & 15, yCoord, zCoord & 15, 0);
+
+        if((blockLight == 0 && worldObj.canBlockSeeTheSky(xCoord, yCoord, zCoord)) || (lightValue >= blockLight)) metadata = 15 - lightValue;
+        else if(!worldObj.canBlockSeeTheSky(xCoord, yCoord, zCoord)) metadata = 15 - realLight;
+        else if(lightValue < blockLight) metadata = 15 - blockLight;
+
+        worldObj.setBlockMetadataWithNotify(xCoord, yCoord, zCoord, metadata, 2);
+        worldObj.notifyBlocksOfNeighborChange(xCoord, yCoord, zCoord, worldObj.getBlockId(xCoord, yCoord, zCoord));
+    }
+
+    @Override
+    public Packet getDescriptionPacket() 
+    {
+        Packet132TileEntityData packet = (Packet132TileEntityData) super.getDescriptionPacket();
+        NBTTagCompound dataTag = packet != null ? packet.data : new NBTTagCompound();
+        writeToNBT(dataTag);
+        return new Packet132TileEntityData(xCoord, yCoord, zCoord, 1, dataTag);
+    }
+
+    @Override
+    public void onDataPacket(INetworkManager net, Packet132TileEntityData pkt) 
+    {
+        super.onDataPacket(net, pkt);
+        NBTTagCompound tag = pkt != null ? pkt.data : new NBTTagCompound();
+        readFromNBT(tag);
+    }
+}