gerard-geer

// By Gerard Geer, under MIT license
// A 2,4,8 or 16 element array implemented as a binary tree, #defined for type agnosticity.

#define ARR2(x, a,b) (x<1) ? a : b
#define ARR4(x, a,b,c,d) (x<2) ? ARR2(x,a,b) : ARR2(x-2,c,d)
#define ARR8(x, a,b,c,d, e,f,g,h) (x<4) ? ARR4(x, a,b,c,d) : ARR4(x-4, e,f,g,h)
#define ARR16(x, a,b,c,d, e,f,g,h, i,j,k,l, m,n,o,p) (x<8) ? ARR8(x, a,b,c,d, e,f,g,h) : ARR8(x-8, i,j,k,l, m,n,o,p)

// Shadertoy entry point.
void mainImage( out vec4 fragColor, in vec2 fragCoord )

gerard-geer

/*
	The same old random function with a different signature.
*/
vec2 rand(vec2 co){
    return vec2(
        fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453),
        fract(cos(dot(co.yx ,vec2(8.64947,45.097))) * 43758.5453)
    )*2.0-1.0;
}

gerard-geer

/**
 * Written by Gerard Geer.
 * License Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
 * 
 * Version 1.0
 * Version 1.1 	Optomized/cleaned up a bit, and did some more documentin'.
 * Version 1.2 	Gave pipes a clear protective coating. (I made them shiny.) 
 * 				I also changed some colors.
 * Version 1.3	Functioned out determining reflectivity and deflection. This allowed me
 * 				to add some variation in the reflections in the form of puddles

gerard-geer

void AFreshMeshActor::UpdateTextureRegions(UTexture2D* Texture, int32 MipIndex,
	uint32 NumRegions, FUpdateTextureRegion2D* Regions,
	uint32 SrcPitch, uint32 SrcBpp,
	uint8* SrcData, bool bFreeData)
{
	if (Texture && Texture->Resource)
	{
		struct FUpdateTextureRegionsData
		{

gerard-geer

void AFreshMeshActor::UpdateTextureRegions(UTexture2D* Texture, int32 MipIndex,
	uint32 NumRegions, FUpdateTextureRegion2D* Regions,
	uint32 SrcPitch, uint32 SrcBpp,
	uint8* SrcData, bool bFreeData)
{
	if (Texture && Texture->Resource)
	{
		struct FUpdateTextureRegionsData
		{