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eextern.c
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// Compilation: gcc -O3 -ffast-math -c eextern.c & gcc -s -shared -o eextern.dll eextern.o
#ifndef PI
#define PI 3.141592
#endif
#define PIHALF 1.570796
#define TAU 6.2831853
#define PI_SQ 9.869604
#include <math.h>
#include <windows.h>
typedef struct { float x, y; } vec2;
typedef struct { float x, y, z; } vec3;
// BhaskaraI sin approximation (including home-cooked fmod)
float bhSin(float x) {
float neg = 1;
if (x < 0) { x=-x; neg=-1; }
int dv = x / TAU; x = x - dv * TAU; //= x=fmod(x, TAU);
if (x > PI) { neg=-neg; x = PI - (TAU - x); }
return (16*x*(PI-x))/(5*PI_SQ-4*x*(PI-x))*neg;
}
float bhCos(float x) {
return bhSin(PIHALF - x);
}
// ~2.5x faster
int GRY(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long long *outArray, unsigned long long *sampleArray, int threadIndex)
{
float C1=(float)v3/20, C2=(float)v4/8;
for (int y = yStart; y < yStart + h; y++)
{
float fxy=bhCos((float)y/34)*C2;
for (int x = 0; x < w; x++)
{
float s1 = C1*bhSin((float)x/7) + fxy;
*outArray++ = ((int)(bhSin(s1/10)+bhCos(s1/24)*127+127)<<16) | ((int)(bhCos(s1/4)*127+127)<<8);
}
}
}
// ~8.5x faster (25x for 1920x1080 pixel font)
int twister(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long long *outArray, unsigned long long *sampleArray, int threadIndex)
{
float s0,s1,s2,s3,s4,s5,s6,s7, fw=w,fh=fullH;
float A1=(float)v1;
unsigned long long *sampl = &sampleArray[yStart * w];
unsigned long long col;
for (int y = yStart; y < yStart + h; y++)
{
s1 = (float)y / fh - 0.5;
s2 = s1 + A1/20 + sin(s1) * sin(A1/40)*PI;
s3 = 0.35 * sin(s2);
s4 = 0.35 * sin(s2+2.0943);
s5 = 0.35 * sin(s2+4.1886);
s6 = 0.35 * sin(s2+6.2829);
for (int x = 0; x < w; x++)
{
col = 0;
s0 = (float)x / fw - 0.5;
s7 = (s0-s3) / (s4-s3);
if (s7 >= 0 && s7 < 1) col = sampl[(int)(s7*fw)];
s7 = (s0-s4) / (s5-s4);
if (s7 >= 0 && s7 < 1 && s4 < s5) col = sampl[(int)(s7*fw)];
s7 = (s0-s5) / (s6-s5);
if (s7 >= 0 && s7 < 1 && s5 < s6) col = sampl[(int)(s7*fw)];
*outArray++ = col;
}
sampl = sampl + w;
}
}
// Org plasma loops 7 times, not 5
int multiPlasma(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long long *outArray, unsigned long long *sampleArray, int threadIndex)
{
float fw=w, fh=fullH;
float A1=(float)v1;
vec2 uv, r;
float time=A1/20;
for (int y = yStart; y < yStart + h; y++)
{
float uvy = ((float)y / fh - 0.5) * 8.0;
for (int x = 0; x < w; x++)
{
uv.x = ((float)x / fw - 0.5) * 8.0;
uv.y = uvy;
float i0=1.0;
float i1=1.0;
float i2=1.0;
float i4=0.0;
for(int s=0; s < 5; s++)
{
r.x=bhCos(uv.y*i0-i4+time/i1)/i2;
r.y=bhSin(uv.x*i0-i4+time/i1)/i2;
uv.x+=r.x-r.y*0.3;
uv.y+=r.y+r.x*0.3;
i0*=1.93;
i1*=1.15;
i2*=1.7;
i4+=0.05+0.1*time*i1;
}
float r=bhSin(uv.x-time);
float b=bhSin(uv.y+time);
float g=bhSin((uv.x+uv.y+bhSin(time*0.5))*0.5);
*outArray++ = ((int)(r*127+127)<<16)|((int)(g*127+127)<<8)|(int)(b*127+127);
}
}
}
// ??x faster (lots)
int julia(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long long *outArray, unsigned long long *sampleArray, int threadIndex)
{
float fw=w, fh=fullH;
float C1=(float)v3;
int maxIt=50, i;
float s4 = ((C1/8+60)+(60-(w-238)/9))/10000;
float s5 = (C1/8+60)/200;
for (int y = yStart; y < yStart + h; y++)
{
for (int x = 0; x < w; x++)
{
float s0 = ((float)x-(fw/2+20)+20)*s4;
float s1 = ((float)y-fh/2)*s4;
float s0sq, s1sq;
for (i = 0; i < maxIt; i++) {
s0sq=s0*s0;
s1sq=s1*s1;
s1=2*s0*s1+s5;
s0=s0sq-s1sq-0.7;
if (s0sq+s1sq > 2.5) break;
}
float v=(float)i/(float)maxIt;
for (i=0; i<1; i++)
v = v*(2-v);
*outArray++ = ((int)(v*127)<<8)|(int)(v*255);
}
}
}
// 16 color Cmdgfx, not RGB. Does not produce start data. Only allows using color 1.
// At 1920x1080 1pixel screen, 8 threads: ~43x faster (3 fps->130 fps)
int gameOfLife(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = py[xm] + py[xp] + pym[xm] + pym[x] + pym[xp] + pyp[xm] + pyp[x] + pyp[xp];
state = py[x];
if (state)
state = (neighbours == 2 || neighbours == 3);
else
state = (neighbours == 3);
*outArray++ = state;
}
}
}
int gameOfLife3col(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = (py[xm] > 0) + (py[xp] > 0) + (pym[xm] > 0) + (pym[x] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) + (pyp[xp] > 0);
state = py[x];
if (state)
state = neighbours == 2? 2 : neighbours == 3? 3 : 0;
else
state = (neighbours == 3);
*outArray++ = state;
}
}
}
int dayNight(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = (py[xm] > 0) + (py[xp] > 0) + (pym[xm] > 0) + (pym[x] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) + (pyp[xp] > 0);
state = py[x];
if (state)
state = neighbours == 3? 3 : neighbours == 4? 4 : neighbours == 6? 6 : neighbours == 7? 7 : neighbours == 8? 8 : 0;
else
state = neighbours == 3? 3 : neighbours == 6? 6 : neighbours == 7? 7 : neighbours == 8? 8 : 0;
*outArray++ = state;
}
}
}
int seeds(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = py[xm] + py[xp] + pym[xm] + pym[x] + pym[xp] + pyp[xm] + pyp[x] + pyp[xp];
state = py[x];
if (state)
state=0;
else
state = (neighbours == 2);
*outArray++ = state;
}
}
}
int briansBrain(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = (py[xm]==2) + (py[xp]==2) + (pym[xm]==2) + (pym[x]==2) + (pym[xp]==2) + (pyp[xm]==2) + (pyp[x]==2) + (pyp[xp]==2);
state = py[x];
if (state)
state--;
else
state = (neighbours == 2) * 2;
*outArray++ = state;
}
}
}
int cyclicCA(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state,ss;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
state = py[x];
ss = state + 1;
neighbours = (py[xm]==ss) + (py[xp]==ss) + (pym[xm]==ss) + (pym[x]==ss) + (pym[xp]==ss) + (pyp[xm]==ss) + (pyp[x]==ss) + (pyp[xp]==ss);
if (neighbours > 0) {
if (ss == v1)
state = 0;
else
state = ss;
}
*outArray++ = state;
}
}
}
int misolInkBlobs(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state;
unsigned char *py, *pym, *pyp;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
neighbours = (py[xm] > 0) + (py[xp] > 0) + (pym[xm] > 0) + (pym[x] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) + (pyp[xp] > 0);
state = py[x];
if (state)
state = neighbours == 5? 5 : neighbours == 6? 6 : neighbours == 7? 7 : neighbours == 8? 8 : 0;
else
state = neighbours == 4? 4 : neighbours == 6? 6 : 0;
*outArray++ = state;
}
}
}
int randMoore(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state, i;
unsigned char *py, *pym, *pyp;
int stayRules[10] = {0};
int bornRules[10] = {0};
int stayVal = 128, bornVal = 128;
int slowDeath = v3;
int liveCol = v4;
for (i = 0; i < 8; i++) {
stayRules[8 - i] = v1 & stayVal;
stayVal = stayVal >> 1;
}
for (i = 0; i < 8; i++) {
bornRules[8 - i] = v2 & bornVal;
bornVal = bornVal >> 1;
}
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
if (liveCol <= 1)
neighbours = (py[xm] > 0) + (py[xp] > 0) + (pym[xm] > 0) + (pym[x] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) + (pyp[xp] > 0);
else
neighbours = (py[xm] == liveCol) + (py[xp] == liveCol) + (pym[xm] == liveCol) + (pym[x] == liveCol) + (pym[xp] == liveCol) + (pyp[xm] == liveCol) + (pyp[x] == liveCol) + (pyp[xp] == liveCol);
state = py[x];
if (state) {
state = slowDeath? state-1 : 0;
if (stayRules[neighbours]) { state=neighbours; } // for slowDeath, state=py[x] would actually be more "accurate" (but results are less interesting)
} else {
state = 0;
if (bornRules[neighbours]) { state = liveCol <= 1? neighbours : liveCol; } // set state to 1 instead of neighbours to make 3-color GameOfLife look correct (flag?)
}
*outArray++ = state;
}
}
}
int randMooreExtended(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned char *outArray, unsigned char *sampleArray, int threadIndex)
{
int xm,xp,xmm,xpp,ym,yp,ypp,ymm,neighbours,state, i;
unsigned char *py, *pym, *pymm, *pyp, *pypp;
int stayRules[32] = {0};
int bornRules[32] = {0};
int slowDeath = v3;
int liveCol = v4;
int neighbourHood = v5;
int stayVal = 33554432; // 2^25
int bornVal = 33554432;
for (i = 0; i < 26; i++) {
stayRules[26 - i] = (v1 & stayVal) > 0;
stayVal = stayVal >> 1;
}
for (i = 0; i < 26; i++) {
bornRules[26 - i] = (v2 & bornVal) > 0;
bornVal = bornVal >> 1;
}
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
ymm=y-2; if (ymm < 0) ymm=fullH + ymm;
ypp=y+2; if (ypp >= fullH) ypp=ypp-fullH;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
pymm = &sampleArray[ymm * w];
pypp = &sampleArray[ypp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
xmm=x-2; if (xmm < 0) xmm=w+xmm;
xpp=x+2; if (xpp >= w) xpp=xpp-w;
switch(neighbourHood) {
// ..X..
// .X.X.
// X.*.X
// .X.X.
// ..X..
case 0: default:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pypp[x] > 0) + (pym[xm] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0);
else
neighbours = (pymm[x] == liveCol) + (pypp[x] == liveCol) + (pym[xm] == liveCol) + (pym[xp] == liveCol) + (pyp[xm] == liveCol) + (pyp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol);
break;
// ..X..
// .XXX.
// XX*XX
// .XXX.
// ..X..
case 1:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pypp[x] > 0) + (pym[xm] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0) +
(pym[x] > 0) + (pyp[x] > 0) + (py[xm] > 0) + (py[xp] > 0);
else
neighbours = (pymm[x] == liveCol) + (pypp[x] == liveCol) + (pym[xm] == liveCol) + (pym[xp] == liveCol) + (pyp[xm] == liveCol) + (pyp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol) +
(pym[x] == liveCol) + (pyp[x] == liveCol) + (py[xm] == liveCol) + (py[xp] == liveCol);
break;
// .XXX.
// X...X
// X.*.X
// X...X
// .XXX.
case 2:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pypp[x] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0) +
(pym[xpp] > 0) + (pym[xmm] > 0) + (pyp[xmm] > 0) + (pyp[xpp] > 0);
else
neighbours = (pymm[x] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pypp[x] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol) +
(pym[xpp] == liveCol) + (pym[xmm] == liveCol) + (pyp[xmm] == liveCol) + (pyp[xpp] == liveCol);
break;
// .XXX.
// XX.XX
// X.*.X
// XX.XX
// .XXX.
case 3:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pypp[x] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0) +
(pym[xpp] > 0) + (pym[xmm] > 0) + (pyp[xmm] > 0) + (pyp[xpp] > 0) +
(pym[xp] > 0) + (pym[xm] > 0) + (pyp[xm] > 0) + (pyp[xp] > 0);
else
neighbours = (pymm[x] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pypp[x] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol) +
(pym[xpp] == liveCol) + (pym[xmm] == liveCol) + (pyp[xmm] == liveCol) + (pyp[xpp] == liveCol) +
(pym[xp] == liveCol) + (pym[xm] == liveCol) + (pyp[xm] == liveCol) + (pyp[xp] == liveCol);
break;
// .XXX.
// XXXXX
// XX*XX
// XXXXX
// .XXX.
case 4:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pypp[x] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0) +
(pym[xpp] > 0) + (pym[xmm] > 0) + (pyp[xmm] > 0) + (pyp[xpp] > 0) +
(pym[xp] > 0) + (pym[xm] > 0) + (pyp[xm] > 0) + (pyp[xp] > 0) +
(pym[x] > 0) + (pyp[x] > 0) + (py[xm] > 0) + (py[xp] > 0);
else
neighbours = (pymm[x] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pypp[x] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol) +
(pym[xpp] == liveCol) + (pym[xmm] == liveCol) + (pyp[xmm] == liveCol) + (pyp[xpp] == liveCol) +
(pym[xp] == liveCol) + (pym[xm] == liveCol) + (pyp[xm] == liveCol) + (pyp[xp] == liveCol) +
(pym[x] == liveCol) + (pyp[x] == liveCol) + (py[xm] == liveCol) + (py[xp] == liveCol);
break;
// XXXXX
// XXXXX
// XX*XX
// XXXXX
// XXXXX
case 5:
if (liveCol <= 1)
neighbours = (pymm[x] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pypp[x] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (py[xpp] > 0) + (py[xmm] > 0) +
(pym[xpp] > 0) + (pym[xmm] > 0) + (pyp[xmm] > 0) + (pyp[xpp] > 0) +
(pym[xp] > 0) + (pym[xm] > 0) + (pyp[xm] > 0) + (pyp[xp] > 0) +
(pym[x] > 0) + (pyp[x] > 0) + (py[xm] > 0) + (py[xp] > 0) +
(pymm[xmm] > 0) + (pymm[xpp] > 0) + (pypp[xmm] > 0) + (pypp[xpp] > 0);
else
neighbours = (pymm[x] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pypp[x] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (py[xpp] == liveCol) + (py[xmm] == liveCol) +
(pym[xpp] == liveCol) + (pym[xmm] == liveCol) + (pyp[xmm] == liveCol) + (pyp[xpp] == liveCol) +
(pym[xp] == liveCol) + (pym[xm] == liveCol) + (pyp[xm] == liveCol) + (pyp[xp] == liveCol) +
(pym[x] == liveCol) + (pyp[x] == liveCol) + (py[xm] == liveCol) + (py[xp] == liveCol) +
(pymm[xmm] == liveCol) + (pymm[xpp] == liveCol) + (pypp[xmm] == liveCol) + (pypp[xpp] == liveCol);
break;
// XXXXX
// X...X
// X.*.X
// X...X
// XXXXX
case 6:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) + (pymm[x] > 0) + (pymm[xp] > 0) + (pymm[xpp] > 0) +
(pym[xmm] > 0) + (pym[xpp] > 0) +
(py[xmm] > 0) + (py[xpp] > 0) +
(pyp[xmm] > 0) + (pyp[xpp] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[x] > 0) + (pypp[xp] > 0) + (pypp[xpp] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) + (pymm[x] == liveCol) + (pymm[xp] == liveCol) + (pymm[xpp] == liveCol) +
(pym[xmm] == liveCol) + (pym[xpp] == liveCol) +
(py[xmm] == liveCol) + (py[xpp] == liveCol) +
(pyp[xmm] == liveCol) + (pyp[xpp] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[x] == liveCol) + (pypp[xp] == liveCol) + (pypp[xpp] == liveCol);
break;
// XX.XX
// X...X
// ..*..
// X...X
// XX.XX
case 7:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pymm[xpp] > 0) +
(pym[xmm] > 0) + (pym[xpp] > 0) +
(pyp[xmm] > 0) + (pyp[xpp] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (pypp[xpp] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pymm[xpp] == liveCol) +
(pym[xmm] == liveCol) + (pym[xpp] == liveCol) +
(pyp[xmm] == liveCol) + (pyp[xpp] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (pypp[xpp] == liveCol);
break;
// XX...
// XX...
// XX*..
// XX...
// XX...
case 8:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) +
(pym[xmm] > 0) + (pym[xm] > 0) +
(py[xmm] > 0) + (py[xm] > 0) +
(pyp[xmm] > 0) + (pyp[xm] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) +
(pym[xmm] == liveCol) + (pym[xm] == liveCol) +
(py[xmm] == liveCol) + (py[xm] == liveCol) +
(pyp[xmm] == liveCol) + (pyp[xm] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol);
break;
// XX.XX
// .....
// X.*.X
// .....
// XX.XX
case 9:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) + (pymm[xp] > 0) + (pymm[xpp] > 0) + (pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[xp] > 0) + (pypp[xpp] > 0) + (py[xpp] > 0) + + (py[xmm] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) + (pymm[xp] == liveCol) + (pymm[xpp] == liveCol) + (pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[xp] == liveCol) + (pypp[xpp] == liveCol) + (py[xpp] == liveCol) + + (py[xmm] == liveCol);
break;
// XXXXX
// ..X..
// ..*..
// ..X..
// XXXXX
case 10:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) + (pymm[x] > 0) + (pymm[xp] > 0) + (pymm[xpp] > 0) +
(pym[x] > 0) +
(pyp[x] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[x] > 0) + (pypp[xp] > 0) + (pypp[xpp] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) + (pymm[x] == liveCol) + (pymm[xp] == liveCol) + (pymm[xpp] == liveCol) +
(pym[x] == liveCol) +
(pyp[x] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[x] == liveCol) + (pypp[xp] == liveCol) + (pypp[xpp] == liveCol);
break;
// .X.X.
// .X.X.
// .X*X.
// .X.X.
// .X.X.
case 11:
if (liveCol <= 1)
neighbours = (pymm[xm] > 0) + (pymm[xp] > 0) +
(pym[xm] > 0) + (pym[xp] > 0) +
(py[xmm] > 0) + (py[xpp] > 0) +
(pyp[xm] > 0) + (pyp[xp] > 0) +
(pypp[xm] > 0) + (pypp[xp] > 0);
else
neighbours = (pymm[xm] == liveCol) + (pymm[xp] == liveCol) +
(pym[xm] == liveCol) + (pym[xp] == liveCol) +
(py[xmm] == liveCol) + (py[xpp] == liveCol) +
(pyp[xm] == liveCol) + (pyp[xp] == liveCol) +
(pypp[xm] == liveCol) + (pypp[xp] == liveCol);
break;
// ...XX
// ...XX
// ..*..
// XXX..
// XXX..
case 12:
if (liveCol <= 1)
neighbours = (pymm[xpp] > 0) + (pymm[xp] > 0) +
(pym[xpp] > 0) + (pym[xp] > 0) +
(pyp[xmm] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[x] > 0);
else
neighbours = (pymm[xpp] == liveCol) + (pymm[xp] == liveCol) +
(pym[xpp] == liveCol) + (pym[xp] == liveCol) +
(pyp[xmm] == liveCol) + (pyp[xm] == liveCol) + (pyp[x] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[x] == liveCol);
break;
// XXXXX
// ....X
// XX*.X
// X...X
// XXXXX
case 13:
if (liveCol <= 1)
neighbours = (pymm[xmm] > 0) + (pymm[xm] > 0) + (pymm[x] > 0) + (pymm[xp] > 0) + (pymm[xpp] > 0) +
(pym[xpp] > 0) +
(pyp[xpp] > 0) + (pyp[xmm] > 0) +
(py[xmm] > 0) + (py[xm] > 0) + (py[xpp] > 0) +
(pypp[xmm] > 0) + (pypp[xm] > 0) + (pypp[x] > 0) + (pypp[xp] > 0) + (pypp[xpp] > 0);
else
neighbours = (pymm[xmm] == liveCol) + (pymm[xm] == liveCol) + (pymm[x] == liveCol) + (pymm[xp] == liveCol) + (pymm[xpp] == liveCol) +
(pym[xpp] == liveCol) +
(pyp[xpp] == liveCol) + (pyp[xmm] == liveCol) +
(py[xmm] == liveCol) + (py[xm] == liveCol) + (py[xpp] == liveCol) +
(pypp[xmm] == liveCol) + (pypp[xm] == liveCol) + (pypp[x] == liveCol) + (pypp[xp] == liveCol) + (pypp[xpp] == liveCol);
break;
}
state = py[x];
if (state) {
state = slowDeath? state-1 : 0;
if (stayRules[neighbours]) { state=neighbours; } // for slowDeath, state=py[x] would actually be more "accurate" (but results are less interesting)
} else {
state = 0;
if (bornRules[neighbours]) { state = liveCol <= 1? neighbours : liveCol; }
}
*outArray++ = state;
}
}
}
/*
// The 32 bit 2-step process. More than 2x slower
int randMoore32(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long *outArray, unsigned long *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state, i;
unsigned long *py, *pym, *pyp;
int stayRules[10] = {0};
int bornRules[10] = {0};
int stayVal = 128, bornVal = 128;
int slowDeath = v3;
int liveCol = v4;
for (i = 0; i < 8; i++) {
stayRules[8 - i] = v1 & stayVal;
stayVal = stayVal >> 1;
}
for (i = 0; i < 8; i++) {
bornRules[8 - i] = v2 & bornVal;
bornVal = bornVal >> 1;
}
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
if (liveCol <= 1)
neighbours = (py[xm] > 0) + (py[xp] > 0) + (pym[xm] > 0) + (pym[x] > 0) + (pym[xp] > 0) + (pyp[xm] > 0) + (pyp[x] > 0) + (pyp[xp] > 0);
else
neighbours = (py[xm] == liveCol) + (py[xp] == liveCol) + (pym[xm] == liveCol) + (pym[x] == liveCol) + (pym[xp] == liveCol) + (pyp[xm] == liveCol) + (pyp[x] == liveCol) + (pyp[xp] == liveCol);
state = py[x];
if (state) {
state = slowDeath? state-1 : 0;
if (stayRules[neighbours]) { state=neighbours; } // for slowDeath, state=py[x] would actually be more "accurate" (but results are less interesting)
} else {
state = 0;
if (bornRules[neighbours]) { state = liveCol <= 1? neighbours : liveCol; }
}
*outArray++ = state;
}
}
}
int randMoore32conv(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long *outArray, unsigned long *sampleArray, int threadIndex)
{
int state,state2, half=w/2;
unsigned long *py,*pyh;
for (int y = yStart; y < yStart + h; y++)
{
py = &sampleArray[y * w];
pyh = &sampleArray[y * w - half];
outArray = outArray + half;
for (int x = half; x < w; x++)
{
state = pyh[x];
state2 = py[x];
if (state) {
int r=(state2>>16)&0xff;
int g=(state2>>8)&0xff;
int b=(state2)&0xff;
// if (r < 256-6) r+=6;
// if (g < 256-6) g+=6;
// if (b < 256-6) b+=6;
if (r < 256-6 && (state & 1)) r+=6;
if (g < 256-6 && (state & 2)) g+=6;
if (b < 256-6 && (state & 4)) b+=6;
// if (r < 256-6 && (state & 1)) r+=6;
// if (g < 256-16 && (state & 4)) g+=16;
// if (b < 256-6 && (state & 2)) b+=6;
*outArray = (r<<16)|(g<<8)|b;
} else {
int r=(state2>>16)&0xff;
int g=(state2>>8)&0xff;
int b=(state2)&0xff;
if (r >= 2) r-=2;
if (g >= 2) g-=2;
if (b >= 2) b-=2;
*outArray = (r<<16)|(g<<8)|b;
}
outArray++;
}
}
}
*/
int g_bFading=0, g_fadeR=0, g_fadeG=0, g_fadeB=0;
#define FADE_IF_FADING \
if (g_bFading) { \
r += g_fadeR; \
g += g_fadeG; \
b += g_fadeB; \
if (r < 0) r = 0; \
if (g < 0) g = 0; \
if (b < 0) b = 0; \
if (r > 0xff) r = 0xff; \
if (g > 0xff) g = 0xff; \
if (b > 0xff) b = 0xff; \
} \
int setFade(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long *outArray, unsigned long *sampleArray, int threadIndex)
{
if(threadIndex == 0) {
g_bFading = v1, g_fadeR = v2, g_fadeG = v3, g_fadeB = v4;
}
}
int randMoore32compact(int w, int h, int yStart, int fullH, DWORD tickCount, int v1, int v2, int v3, int v4, int v5, unsigned long *outArray, unsigned long *sampleArray, int threadIndex)
{
int xm,xp,ym,yp,neighbours,state,state2, i;
unsigned long *py, *pym, *pyp;
int r,g,b;
int rMul, gMul, bMul;
int rNeg, gNeg, bNeg;
int rAnd, gAnd, bAnd;
int stayRules[10] = {0};
int bornRules[10] = {0};
int stayVal = 128, bornVal = 128;
int slowDeath = v2 & 1;
int liveCol = v2 >> 1;
int mulPatt = v5 & 7;
int stayPatt = 0, stayPattVal = 1;
int mulBase;
int topClamp, bottomClamp, bottomClampVal=0, topClampVal=255;
for (i = 0; i < 8; i++) {
stayRules[8 - i] = v1 & stayVal;
stayVal = stayVal >> 1;
}
v1 >>= 8;
for (i = 0; i < 8; i++) {
bornRules[8 - i] = v1 & bornVal;
bornVal = bornVal >> 1;
}
rMul = v3 & 127;
if (v3 & 128) rMul = -rMul;
v3 >>= 8;
gMul = v3 & 127;
if (v3 & 128) gMul = -gMul;
v3 >>= 8;
bMul = v3 & 127;
if (v3 & 128) bMul = -bMul;
rNeg = v4 & 127;
if (v4 & 128) rNeg = -rNeg;
v4 >>= 8;
gNeg = v4 & 127;
if (v4 & 128) gNeg = -gNeg;
v4 >>= 8;
bNeg = v4 & 127;
if (v4 & 128) bNeg = -bNeg;
v5 >>= 3;
rAnd = v5 & 7;
v5 >>= 3;
gAnd = v5 & 7;
v5 >>= 3;
bAnd = v5 & 7;
v5 >>= 3;
topClamp = v5 & 1;
if (!topClamp) topClampVal=0;
v5 >>= 1;
bottomClamp = v5 & 1;
if (!bottomClamp) bottomClampVal=255;
v5 >>= 1;
stayPatt = v5 & 7;
v5 >>= 3;
stayPattVal = v5 & 255;
for (int y = yStart; y < yStart + h; y++)
{
ym=y-1; if (ym < 0) ym=fullH-1;
yp=y+1; if (yp >= fullH) yp=0;
py = &sampleArray[y * w];
pym = &sampleArray[ym * w];
pyp = &sampleArray[yp * w];
for (int x = 0; x < w; x++)
{
xm=x-1; if (xm < 0) xm=w-1;
xp=x+1; if (xp >= w) xp=0;
if (liveCol <= 1)
neighbours = ((py[xm]&7) > 0) + ((py[xp]&7) > 0) + ((pym[xm]&7) > 0) + ((pym[x]&7) > 0) + ((pym[xp]&7) > 0) + ((pyp[xm]&7) > 0) + ((pyp[x]&7) > 0) + ((pyp[xp]&7) > 0);
else
neighbours = ((py[xm]&7) == liveCol) + ((py[xp]&7) == liveCol) + ((pym[xm]&7) == liveCol) + ((pym[x]&7) == liveCol) + ((pym[xp]&7) == liveCol) + ((pyp[xm]&7) == liveCol) + ((pyp[x]&7) == liveCol) + ((pyp[xp]&7) == liveCol);
state2 = py[x];
state = state2 & 7;
if (state) {
state = slowDeath? state-1 : 0;
if (stayRules[neighbours]) { state=neighbours; if(state>7)state=7; } // for slowDeath, state=py[x] would actually be more "accurate" (but results are less interesting)
} else {
state = 0;
if (bornRules[neighbours]) { state = liveCol <= 1? neighbours : liveCol; if(state>7)state=7; }
}
r=(state2>>16)&0xff;
g=(state2>>8)&0xff;
b=(state2)&0xff;
if (state) {
mulBase = neighbours;
if (mulPatt == 1) mulBase = state;
if (mulPatt == 2) mulBase = 1;
if (mulPatt == 3) mulBase ^= state;
if (state & rAnd) r+=mulBase*rMul;
if (state & gAnd) g+=mulBase*gMul;
if (state & bAnd) b+=mulBase*bMul;
if (stayPatt == 5 || stayPatt == 6) b=g=r;
/*if (r < 256-7 && (state == 1)) r+=7;
if (g < 256-6 && (state == 4)) g+=6;
if (b < 256-11 && (state == 2)) b+=11;
if (b >= 1 && (state == 3)) b-=1;
if (g >= 2 && (state == 5)) g-=2;
if (r < 256-4 && (state == 6)) r+=4;
if (g < 256-8 && (state == 7)) g+=8;*/
} else {
switch(stayPatt) {
case 0: default:
r-=rNeg;
g-=gNeg;
b-=bNeg;
break;
case 1: