Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)HEADmiami

Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt.
Source: https://github.com/Cai1Hsu/re3 branch miami.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/extras/shaders/neoRim_VS.hlsl b/src/extras/shaders/neoRim_VS.hlsl
new file mode 100644
index 0000000..7f95166
--- /dev/null
+++ b/src/extras/shaders/neoRim_VS.hlsl
@@ -0,0 +1,61 @@
+#include "standardConstants.h"
+
+struct VS_in
+{
+	float4 Position		: POSITION;
+	float3 Normal		: NORMAL;
+	float2 TexCoord		: TEXCOORD0;
+	float4 Prelight		: COLOR0;
+};
+
+struct VS_out {
+	float4 Position		: POSITION;
+	float3 TexCoord0	: TEXCOORD0;	// also fog
+	float4 Color		: COLOR0;
+};
+
+float3	    viewVec     : register(c233);
+float4      rampStart   : register(c234);
+float4      rampEnd     : register(c235);
+float3      rimData     : register(c236);
+
+VS_out main(in VS_in input)
+{
+	VS_out output;
+
+	output.Position = mul(combinedMat, input.Position);
+	float3 Vertex = mul(worldMat, input.Position).xyz;
+	float3 Normal = mul(normalMat, input.Normal);
+
+	output.TexCoord0.xy = input.TexCoord;
+
+	output.Color = input.Prelight;
+	output.Color.rgb += ambientLight.rgb * surfAmbient;
+
+	int i;
+//#ifdef DIRECTIONALS
+	for(i = 0; i < numDirLights; i++)
+		output.Color.xyz += DoDirLight(lights[i+firstDirLight], Normal)*surfDiffuse;
+//#endif
+//#ifdef POINTLIGHTS
+//	for(i = 0; i < numPointLights; i++)
+//		output.Color.xyz += DoPointLight(lights[i+firstPointLight], Vertex.xyz, Normal)*surfDiffuse;
+//#endif
+//#ifdef SPOTLIGHTS
+//	for(i = 0; i < numSpotLights; i++)
+//		output.Color.xyz += DoSpotLight(lights[i+firstSpotLight], Vertex.xyz, Normal)*surfDiffuse;
+//#endif
+
+	// rim light
+	float f = rimData.x - rimData.y*dot(Normal, viewVec);
+	float4 rimlight = saturate(lerp(rampEnd, rampStart, f)*rimData.z);
+	output.Color.xyz += rimlight.xyz;
+
+	// PS2 clamps before material color
+	output.Color = clamp(output.Color, 0.0, 1.0);
+	output.Color *= matCol;
+
+	output.TexCoord0.z = clamp((output.Position.w - fogEnd)*fogRange, fogDisable, 1.0);
+
+	return output;
+}