From 541845be6d5dc5051d9480c4f67d6d714e9da71a Mon Sep 17 00:00:00 2001
From: leo60228 <leo@60228.dev>
Date: Mon, 2 Jan 2023 11:59:23 -0500
Subject: [PATCH] Don't apply lighting for damagedblock

This seems weird but seems to be correct?
---
 shaders/gbuffers_damagedblock.fsh | 34 +++++++++++++++++++++++++
 shaders/gbuffers_damagedblock.vsh | 41 +++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 shaders/gbuffers_damagedblock.fsh
 create mode 100644 shaders/gbuffers_damagedblock.vsh

diff --git a/shaders/gbuffers_damagedblock.fsh b/shaders/gbuffers_damagedblock.fsh
new file mode 100644
index 0000000..564f8dc
--- /dev/null
+++ b/shaders/gbuffers_damagedblock.fsh
@@ -0,0 +1,34 @@
+#version 120
+
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+//Diffuse (color) texture.
+uniform sampler2D texture;
+//Lighting from day/night + shadows + light sources.
+uniform sampler2D lightmap;
+
+//0-1 amount of blindness.
+uniform float blindness;
+//0 = default, 1 = water, 2 = lava.
+uniform int isEyeInWater;
+
+//Diffuse and lightmap texture coordinates.
+varying vec2 coord0;
+varying vec2 coord1;
+
+void main()
+{
+    //Sample texture
+    vec4 col = texture2D(texture,coord0);
+
+    //Calculate fog intensity in or out of water.
+    float fog = (isEyeInWater>0) ? 1.-exp(-gl_FogFragCoord * gl_Fog.density):
+    clamp((gl_FogFragCoord-gl_Fog.start) * gl_Fog.scale, 0., 1.);
+
+    //Apply the fog.
+    col.rgb = mix(col.rgb, gl_Fog.color.rgb, fog);
+
+    //Output the result.
+    /*DRAWBUFFERS:0*/
+    gl_FragData[0] = col;
+}
diff --git a/shaders/gbuffers_damagedblock.vsh b/shaders/gbuffers_damagedblock.vsh
new file mode 100644
index 0000000..a9106e6
--- /dev/null
+++ b/shaders/gbuffers_damagedblock.vsh
@@ -0,0 +1,41 @@
+#version 120
+
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+#ifdef GLSLANG
+#extension GL_GOOGLE_include_directive : enable
+#endif
+
+//Get Entity id.
+attribute float mc_Entity;
+
+//Model * view matrix and it's inverse.
+uniform mat4 gbufferModelView;
+uniform mat4 gbufferModelViewInverse;
+
+//Pass vertex information to fragment shader.
+varying vec2 coord0;
+varying vec2 coord1;
+
+uniform int frameCounter;
+
+uniform float viewWidth, viewHeight;
+
+#include "/bsl_lib/util/jitter.glsl"
+
+void main()
+{
+    //Calculate world space position.
+    vec3 pos = (gl_ModelViewMatrix * gl_Vertex).xyz;
+    pos = (gbufferModelViewInverse * vec4(pos,1)).xyz;
+
+    //Output position and fog to fragment shader.
+    gl_Position = gl_ProjectionMatrix * gbufferModelView * vec4(pos,1);
+    gl_FogFragCoord = length(pos);
+
+    //Output diffuse and lightmap texture coordinates to fragment shader.
+    coord0 = (gl_TextureMatrix[0] * gl_MultiTexCoord0).xy;
+    coord1 = (gl_TextureMatrix[1] * gl_MultiTexCoord1).xy;
+
+    gl_Position.xy = TAAJitter(gl_Position.xy, gl_Position.w);
+}