if (this.renderAllFaces || p_147751_1_.shouldSideBeRendered(this.blockAccess, p_147751_2_, p_147751_3_ - 1, p_147751_4_, 0))
        {
            if (this.renderMinY <= 0.0D)
            {
                --p_147751_3_;
            }

            this.aoBrightnessXYNN = p_147751_1_.getMixedBrightnessForBlock(this.blockAccess, p_147751_2_ - 1, p_147751_3_, p_147751_4_);
            this.aoBrightnessYZNN = p_147751_1_.getMixedBrightnessForBlock(this.blockAccess, p_147751_2_, p_147751_3_, p_147751_4_ - 1);
            this.aoBrightnessYZNP = p_147751_1_.getMixedBrightnessForBlock(this.blockAccess, p_147751_2_, p_147751_3_, p_147751_4_ + 1);
            this.aoBrightnessXYPN = p_147751_1_.getMixedBrightnessForBlock(this.blockAccess, p_147751_2_ + 1, p_147751_3_, p_147751_4_);
            this.aoLightValueScratchXYNN = this.blockAccess.getBlock(p_147751_2_ - 1, p_147751_3_, p_147751_4_).getAmbientOcclusionLightValue();
            this.aoLightValueScratchYZNN = this.blockAccess.getBlock(p_147751_2_, p_147751_3_, p_147751_4_ - 1).getAmbientOcclusionLightValue();
            this.aoLightValueScratchYZNP = this.blockAccess.getBlock(p_147751_2_, p_147751_3_, p_147751_4_ + 1).getAmbientOcclusionLightValue();
            this.aoLightValueScratchXYPN = this.blockAccess.getBlock(p_147751_2_ + 1, p_147751_3_, p_147751_4_).getAmbientOcclusionLightValue();
            flag2 = this.blockAccess.getBlock(p_147751_2_ + 1, p_147751_3_ - 1, p_147751_4_).getCanBlockGrass();
            flag3 = this.blockAccess.getBlock(p_147751_2_ - 1, p_147751_3_ - 1, p_147751_4_).getCanBlockGrass();
            flag4 = this.blockAccess.getBlock(p_147751_2_, p_147751_3_ - 1, p_147751_4_ + 1).getCanBlockGrass();
            flag5 = this.blockAccess.getBlock(p_147751_2_, p_147751_3_ - 1, p_147751_4_ - 1).getCanBlockGrass();