From 75f5197577c72a347e88c36be8c11ad416f338ac Mon Sep 17 00:00:00 2001
From: FiniteReality <digpoealternate@gmail.com>
Date: Sun, 8 Dec 2024 14:59:49 +0000
Subject: [PATCH] Use an enum for the buffer type instead of two bools

---
 .../client/renderer/PostChain.java.patch      | 11 +++-
 .../client/renderer/PostPass.java.patch       | 57 +++++++++++++++++--
 2 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/patches/net/minecraft/client/renderer/PostChain.java.patch b/patches/net/minecraft/client/renderer/PostChain.java.patch
index 0b08462b4f..73b227ac22 100644
--- a/patches/net/minecraft/client/renderer/PostChain.java.patch
+++ b/patches/net/minecraft/client/renderer/PostChain.java.patch
@@ -1,5 +1,14 @@
 --- a/net/minecraft/client/renderer/PostChain.java
 +++ b/net/minecraft/client/renderer/PostChain.java
+@@ -17,6 +_,8 @@
+ import java.util.stream.Collectors;
+ import java.util.stream.Stream;
+ import javax.annotation.Nullable;
++
++import net.minecraft.client.renderer.PostPass.TargetInput.BufferType;
+ import net.minecraft.client.renderer.texture.AbstractTexture;
+ import net.minecraft.client.renderer.texture.TextureManager;
+ import net.minecraft.resources.ResourceLocation;
 @@ -79,8 +_,8 @@
                      abstracttexture.setFilter(flag, false);
                      postpass.addInput(new PostPass.TextureInput(s3, abstracttexture, i, j));
@@ -7,7 +16,7 @@
 -                case PostChainConfig.TargetInput(String s1, ResourceLocation resourcelocation1, boolean flag1, boolean flag2):
 -                    postpass.addInput(new PostPass.TargetInput(s1, resourcelocation1, flag1, flag2));
 +                case PostChainConfig.TargetInput(String s1, ResourceLocation resourcelocation1, boolean flag1, boolean flag2, boolean useStencilBuffer):
-+                    postpass.addInput(new PostPass.TargetInput(s1, resourcelocation1, flag1, flag2, useStencilBuffer));
++                    postpass.addInput(new PostPass.TargetInput(s1, resourcelocation1, BufferType.from(flag1, useStencilBuffer), flag2));
                      continue;
                  default:
                      throw new MatchException(null, null);
diff --git a/patches/net/minecraft/client/renderer/PostPass.java.patch b/patches/net/minecraft/client/renderer/PostPass.java.patch
index 5ef576cd68..efa98f666b 100644
--- a/patches/net/minecraft/client/renderer/PostPass.java.patch
+++ b/patches/net/minecraft/client/renderer/PostPass.java.patch
@@ -1,25 +1,70 @@
 --- a/net/minecraft/client/renderer/PostPass.java
 +++ b/net/minecraft/client/renderer/PostPass.java
-@@ -122,7 +_,10 @@
+@@ -122,7 +_,54 @@
      }
  
      @OnlyIn(Dist.CLIENT)
 -    public static record TargetInput(String samplerName, ResourceLocation targetId, boolean depthBuffer, boolean bilinear) implements PostPass.Input {
-+    public static record TargetInput(String samplerName, ResourceLocation targetId, boolean depthBuffer, boolean bilinear, boolean stencilBuffer) implements PostPass.Input {
++    public static record TargetInput(String samplerName, ResourceLocation targetId, BufferType bufferType, boolean bilinear) implements PostPass.Input {
++        public enum BufferType {
++            NONE(false, false),
++            DEPTH_ONLY(true, false),
++            STENCIL_ONLY(false, true),
++            DEPTH_STENCIL(true, true);
++
++            private final boolean depth;
++            private final boolean stencil;
++
++            BufferType(boolean depth, boolean stencil) {
++                this.depth = depth;
++                this.stencil = stencil;
++            }
++
++            public boolean hasDepth() {
++                return this.depth;
++            }
++
++            public boolean hasStencil() {
++                return this.stencil;
++            }
++
++            public static BufferType from(boolean useDepth, boolean useStencil) {
++                if (useDepth && useStencil) {
++                    return DEPTH_STENCIL;
++                } else if (useDepth) {
++                    return DEPTH_ONLY;
++                } else if (useStencil) {
++                    return STENCIL_ONLY;
++                } else {
++                    return NONE;
++                }
++            }
++        }
++
 +        public TargetInput(String samplerName, ResourceLocation targetId, boolean depthBuffer, boolean bilinear) {
-+            this(samplerName, targetId, depthBuffer, bilinear, false);
++            this(samplerName, targetId, depthBuffer ? BufferType.DEPTH_ONLY : BufferType.NONE, bilinear);
++        }
++
++        public boolean depthBuffer() {
++            return bufferType.hasDepth();
++        }
++
++        public boolean stencilBuffer() {
++            return bufferType.hasStencil();
 +        }
++
          private ResourceHandle<RenderTarget> getHandle(Map<ResourceLocation, ResourceHandle<RenderTarget>> p_364534_) {
              ResourceHandle<RenderTarget> resourcehandle = p_364534_.get(this.targetId);
              if (resourcehandle == null) {
-@@ -142,7 +_,12 @@
+@@ -142,7 +_,13 @@
              ResourceHandle<RenderTarget> resourcehandle = this.getHandle(p_361239_);
              RenderTarget rendertarget = resourcehandle.get();
              rendertarget.setFilterMode(this.bilinear ? 9729 : 9728);
 -            p_366564_.bindSampler(this.samplerName + "Sampler", this.depthBuffer ? rendertarget.getDepthTextureId() : rendertarget.getColorTextureId());
-+            if (this.depthBuffer)
++            if (this.depthBuffer())
 +                p_366564_.bindSampler(this.samplerName + "Sampler", rendertarget.getDepthTextureId());
-+            else if (this.stencilBuffer)
++            // If stencil is specified
++            else if (this.stencilBuffer())
 +                p_366564_.bindSampler(this.samplerName + "Sampler", rendertarget.getStencilTextureId());
 +            else
 +                p_366564_.bindSampler(this.samplerName + "Sampler", rendertarget.getColorTextureId());