VulkanShader_1.21.10-0.0.4-alpha.jar

• VulkanShader_1.21.10-0.0.4-alpha.jar
• net
• vulkanmod
• mixin
• voxel
• VoxelShapeMixin.java

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    package net.vulkanmod.mixin.voxel;

import net.minecraft.class_249;
import net.minecraft.class_251;
import net.minecraft.class_265;
import net.vulkanmod.interfaces.VoxelShapeExtended;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;

@Mixin({class_265.class})
public class VoxelShapeMixin implements VoxelShapeExtended {
   @Shadow
   @Final
   protected class_251 field_1401;
   int co;

   @Inject(
      method = {"<init>"},
      at = {@At("RETURN")}
   )
   private void initCornerOcclusion(class_251 discreteVoxelShape, CallbackInfo ci) {
      class_251 disShape = this.field_1401;
      class_265 shape = (class_265)this;
      if (shape instanceof class_249 && disShape != null) {
         int xSize = Math.max(disShape.method_1050(), 1);
         int ySize = Math.max(disShape.method_1047(), 1);
         int zSize = Math.max(disShape.method_1048(), 1);
         int co = 0;
         int s = 0;

         for(int y1 = 0; y1 <= 1; ++y1) {
            for(int z1 = 0; z1 <= 1; ++z1) {
               for(int x1 = 0; x1 <= 1; ++x1) {
                  int x2 = x1 * (xSize - 1);
                  int y2 = y1 * (ySize - 1);
                  int z2 = z1 * (zSize - 1);
                  co |= (disShape.method_1063(x2, y2, z2) ? 1 : 0) << s;
                  ++s;
               }
            }
         }

         this.co = co;
      } else {
         this.co = 0;
      }
   }

   public int getCornerOcclusion() {
      return this.co;
   }
}
    

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