Added a few source references

common.h

@@ -162,6 +162,7 @@ static bool operator<(const Vec3& lhs, const Vec3& rhs)
         return lhs.x < rhs.x;
 }
 
+// Halton sequence, helpfully yoinked from the FSR2 code: https://github.com/GPUOpen-Effects/FidelityFX-FSR2
 static float halton(int32_t index, int32_t base)
 {
     float f = 1.0f, result = 0.0f;

texture.cpp

@@ -27,6 +27,7 @@ Keep in mind that the coordinates will be rounded down to the next lowest textur
 
 // A straight conversion of the Quake palette colors comes out looking rather over-saturated.
 // So we desaturate the palette ahead of time to more closely match the original Quake's look.
+// Yoinked from: https://stackoverflow.com/questions/13328029/how-to-desaturate-a-color
 static void desaturate(const unsigned char inColor[3], unsigned char outColor[3])
 {
 	double f = 0.1; // desaturate by 10%
@@ -125,6 +126,7 @@ struct ColorAccumulate
 	}
 };
 
+// Dominant color algorithm yoinked from: https://github.com/fast-average-color/fast-average-color
 static void analyze_texture(unsigned char* texBytes, int numBytes, const Color palette[PALETTE_SIZE], TextureDescriptor& outTexture)
 {
 	uint64_t rSum = 0, gSum = 0, bSum = 0;