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Add in a very simple stencil bit registry to try and arbitrate between mods wanting to use stencil bits in rendering

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Christian 2013-05-15 20:29:47 -04:00
parent 2a86167c98
commit 5ca854efa8
1 changed files with 37 additions and 0 deletions
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37
client/net/minecraftforge/client/MinecraftForgeClient.java
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@ -5,6 +5,8 @@
package net.minecraftforge.client;
import java.util.BitSet;
import org.lwjgl.opengl.Display;
import net.minecraft.block.Block;
@ -61,4 +63,39 @@ public class MinecraftForgeClient
{
return ForgeHooksClient.stencilBits;
}
private static BitSet stencilBits = new BitSet(getStencilBits());
static
{
stencilBits.set(0,getStencilBits());
}
/**
* Reserve a stencil bit for use in rendering
*
* @return A bit or -1 if no further stencil bits are available
*/
public static int reserveStencilBit()
{
int bit = stencilBits.nextSetBit(0);
if (bit >= 0)
{
stencilBits.clear(bit);
}
return bit;
}
/**
* Release the stencil bit for other use
*
* @param bit The bit from {@link #reserveStencilBit()}
*/
public static void releaseStencilBit(int bit)
{
if (bit >= 0 && bit < getStencilBits())
{
stencilBits.set(bit);
}
}
}