Patch Update - Skybox Shader wip - V9.3.2

enginecustom/src/hlsl/skybox.ps

@@ -0,0 +1,61 @@
+/////////////
+// GLOBALS //
+/////////////
+Texture2D shaderTexture : register(t0);
+SamplerState SampleType : register(s0);
+cbuffer SunLightBuffer
+{
+    float4 ambientColor;
+    float4 diffuseColor;
+    float3 lightDirection;
+    float intensity;
+};
+
+cbuffer SunLightColorBuffer
+{
+    float4 sunColor;
+};
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// Pixel Shader
+////////////////////////////////////////////////////////////////////////////////
+float4 SunLightPixelShader(PixelInputType input) : SV_TARGET
+{
+    float4 textureColor;
+    float4 color;
+    float lightIntensity;
+    float4 colorArray;
+    float4 colorSum;
+
+    // Sample the pixel color from the texture using the sampler at this texture coordinate location.
+    textureColor = shaderTexture.Sample(SampleType, input.tex);
+
+    // Calculate the different amounts of light on this pixel based on the direction of the light.
+    lightIntensity = saturate(dot(input.normal, -lightDirection));
+
+    // Determine the diffuse color amount of the light.
+    colorArray = (diffuseColor * lightIntensity) * intensity;
+
+    // Initialize the sum of colors.
+    colorSum = float4(0.0f, 0.0f, 0.0f, 1.0f);
+
+    // Add the light color.
+    colorSum.r += colorArray.r;
+    colorSum.g += colorArray.g;
+    colorSum.b += colorArray.b;
+
+    // Multiply the texture pixel by the light color to get the final result.
+    color = saturate(colorSum) * textureColor;
+
+    return color;
+}

enginecustom/src/hlsl/skybox.vs

@@ -0,0 +1,67 @@
+/////////////
+// GLOBALS //
+/////////////
+cbuffer MatrixBuffer
+{
+    matrix worldMatrix;
+    matrix viewMatrix;
+    matrix projectionMatrix;
+};
+
+cbuffer CameraBuffer
+{
+    float3 cameraPosition;
+    float padding;
+};
+
+cbuffer SunLightBuffer
+{
+    float4 ambientColor;
+    float4 diffuseColor;
+    float3 lightDirection;
+    float intensity;
+};
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct VertexInputType
+{
+    float4 position : POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// Vertex Shader
+////////////////////////////////////////////////////////////////////////////////
+PixelInputType SunLightVertexShader(VertexInputType input)
+{
+    PixelInputType output;
+
+    // Change the position vector to be 4 units for proper matrix calculations.
+    input.position.w = 1.0f;
+
+    // Calculate the position of the vertex against the world, view, and projection matrices.
+    output.position = mul(input.position, worldMatrix);
+    output.position = mul(output.position, viewMatrix);
+    output.position = mul(output.position, projectionMatrix);
+    
+    // Store the texture coordinates for the pixel shader.
+    output.tex = input.tex;
+    
+    // Calculate the normal vector against the world matrix only.
+    output.normal = mul(input.normal, (float3x3) worldMatrix);
+	
+    // Normalize the normal vector.
+    output.normal = normalize(output.normal);
+
+    return output;
+}