609 lines
12 KiB
C++
609 lines
12 KiB
C++
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#include <windows.h>
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#include <math.h>
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#define M_PI 3.14159265358979323846
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extern int (*warand)(void);
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static int XRES=24;
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static int YRES=16;
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static int g_w,g_h;
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static int *m_wmul;
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static int *m_tab;
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static int __inline myftol(double d)
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{
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int a;
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__asm
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{
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fld d
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fistp a
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mov eax, a
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}
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}
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static double getvis(unsigned char *visdata, int bc, int bw, int ch, int xorv)
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{
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int x = 0;
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int accum = 0;
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if (ch && ch != 1 && ch != 2) return 0.0;
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if (bw < 1) bw=1;
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bc-=bw/2;
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if (bc < 0)
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{
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bw+=bc;
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bc=0;
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}
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if (bc > 575) bc=575;
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if (bc+bw > 576) bw=576-bc;
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if (!ch)
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{
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for (x = 0; x < bw; x ++)
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{
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accum+=(visdata[bc]^xorv)-xorv;
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accum+=(visdata[bc+576]^xorv)-xorv;
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bc++;
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}
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return (double)accum / ((double)bw*255.0);
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}
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else
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{
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if (ch == 2) visdata+=576;
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for (x = 0; x < bw; x ++) accum+=(visdata[bc++]^xorv)-xorv;
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return (double)accum / ((double)bw*127.5);
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}
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}
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static unsigned char *m_visdata;
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static double getosc(double band, double bandw)
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{
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return getvis((unsigned char *)m_visdata,myftol(band*576.0),
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myftol(bandw*576.0),0,128);
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}
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static double fx_gstarttime,fx_curtime;
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static double ef10_sc;
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static __inline double sign(double p)
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{
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if (p < 0.0) return -1.0;
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return 1.0;
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}
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static __inline double my_asin(double v)
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{
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double tmp;
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__asm {
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fld qword ptr [v]
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fmul qword ptr [v]
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fld st(0) //Duplicate X**2 on tos.
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fld1 //Compute 1-X**2.
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fsubr
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fdiv //Compute X**2/(1-X**2).
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fsqrt //Compute sqrt(x**2/(1-X**2)).
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fld1 //To compute full arctangent.
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fpatan //Compute atan of the above.
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fstp qword ptr [tmp]
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}
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return tmp;
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}
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//#define TEST_FX 24
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#define RME(n,x) case n: x break;
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static void __fxsfunc(int which, double &d, double &r)
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{
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double t = 0.0;
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switch (which)
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{
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RME(0, r+=(0.1-0.2*d)*(cos(fx_curtime)); d*=0.96;)
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RME(1, d*=0.99*(1.0-sin(r*3+fx_curtime*3)/32.0); r+=0.03*sin(d * M_PI * 4.0 +fx_curtime*0.5);)
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RME(2, d*=0.94+(cos(r*32.0)*0.06);)
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RME(3, d*=1.01+(cos(r*4.0)*0.04); r+=0.03*sin(d * M_PI * 4);)
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RME(4, r+=0.1*sin(d*M_PI*5);)
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RME(5, t=sin(d*M_PI); d-=8*t*t*t*t*t*0.01; )
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RME(6, d*=0.95+(cos(r*5.0 - M_PI/2.50)*0.03); )
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RME(7, r+=0.1*cos(fx_curtime); d*=0.96+cos(d*M_PI)*0.05; )
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RME(8, t=tan(fx_curtime*0.2);
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if (t < -20.0) t=-20.0;
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if (t > 20.0) t=20.0;
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r+=0.07*cos(d*M_PI)*t;
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)
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RME(9, t=d; d=d+0.05*cos(r*ef10_sc)+getosc(r,0.2)*0.5; r=r+cos(t*3.14159*ef10_sc)*0.1; )
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RME(10, d=atan(d); )
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RME(11, d=sin(d); )
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RME(12, r=r+sin(d*3.14159*4)*0.1; d=(0.99+0.04*cos(r*32))*d; )
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RME(13,d=d-0.01*(fabs(sin(d*3.14159*8))+0.1);)
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RME(14,d=d*(1.0+0.5*getosc(d,0.4)); )
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RME(15,d=0.3; )
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RME(16,d=0.1*cos(r*4.0+fx_curtime*1.3)+d; )
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RME(17,r=cos(cos(fx_curtime)*d*M_PI*17)*0.1+r; d=d*cos(r*5.0+fx_curtime)*0.1+d; )
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RME(18,r+=sin(r*2.0+cos(fx_curtime*0.2)*8)*0.15; d=d*0.98; )
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RME(19, t=sin(r-M_PI*0.5 + fx_curtime*0.3); if (t < 0.1) t=0.1; d=d-0.3*d*t; )
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RME(20, d=0.92*d*(1.0+0.09*sin(r)); r=r+0.1*(1.0-d)*(1.0-d)*(1.0-d); )
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RME(21, d=my_asin(d*0.75)*0.95/0.75;)
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RME(22,r=r+(0.2*sin(r*8+fx_curtime)); d=d*0.99;)
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RME(23,
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r=r+sin(r*4+cos(fx_curtime)*3)*sin(d*3.14159*7+cos(fx_curtime*0.2)*7)*0.3;
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d=d*(0.97+cos(r*32.7)*0.03);
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)
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RME(24,
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r=r+cos(fx_curtime*0.3)*0.1;
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t=r;
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if (t < 0.0) t+=3.14159;
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if (t > 3.14159) t-=3.14159;
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d=atan2(d,t/2)*0.9;
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)
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}
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}
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#define NUM_FX 25
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#define COMBINE_FX 4
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static double fx_weight;
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static int cur_fx[COMBINE_FX], last_fx[COMBINE_FX];
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static double fx_offs[2][2];
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static unsigned int fx_start;
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static unsigned int fx_end,fx_end2;
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static void fx_init(void)
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{
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if (GetTickCount()>=fx_end)
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{
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memcpy(last_fx,cur_fx,sizeof(last_fx));
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fx_start=GetTickCount();
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fx_end2=fx_start+400+(warand()&16383);
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fx_end=fx_start + 4*(fx_end2-fx_start);
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if (fx_end > fx_start+8000) fx_end=fx_start+8000;
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if (fx_end2 > fx_end) fx_end2=fx_end;
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int x;
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for (x = 0; x < COMBINE_FX; x ++)
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{
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cur_fx[x]=warand()%((NUM_FX-x) + x*x*(NUM_FX/3));
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if (cur_fx[x] == 15) cur_fx[x]=warand()%((NUM_FX-x) + x*x*(NUM_FX/3));
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}
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for (x = 1; x < COMBINE_FX; x ++)
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{
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if (cur_fx[x] >= NUM_FX) break;
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}
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for (; x < COMBINE_FX; x ++) cur_fx[x]=NUM_FX;
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#if 0
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static char buf[1024] = {0};
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wsprintf(buf,"picked: ");
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for (x = 0; x < COMBINE_FX; x ++)
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{
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if (cur_fx[x]>=NUM_FX) break;
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wsprintf(buf+strlen(buf),"%d,",cur_fx[x]);
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}
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wsprintf(buf+strlen(buf),"\n");
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OutputDebugString(buf);
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#endif
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// for testing
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#ifdef TEST_FX
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for (x = 1; x < COMBINE_FX; x++)
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{
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cur_fx[x]=NUM_FX;
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}
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cur_fx[0]=TEST_FX;
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#endif
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for (x = 0; x < 2; x ++)
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{
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fx_offs[1][x]=fx_offs[0][x];
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if (!(warand()&7))
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fx_offs[0][x]=((warand()%101) - 50)/750.0;
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else fx_offs[0][x]=0;
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}
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static int ff;
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if (!ff)
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{
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last_fx[0]=warand()%NUM_FX;
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for (x = 1; x < COMBINE_FX; x ++)
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{
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last_fx[x]=NUM_FX;
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}
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ff++;
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}
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}
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fx_curtime=(double)(GetTickCount()-fx_gstarttime)/1000.0;
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fx_weight=(double)(GetTickCount()-fx_start)/(double)(fx_end2-fx_start);
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if (fx_weight > 1.0) fx_weight=1.0;
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ef10_sc=cos(fx_curtime)*2 + 3;
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}
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static void fx_apply(double &d, double &r) // 1 if rect
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{
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double d2=d, r2=r;
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int x;
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for (x = 0; x < COMBINE_FX; x ++)
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{
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if (last_fx[x] < NUM_FX)
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{
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__fxsfunc(last_fx[x],d2,r2);
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}
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if (cur_fx[x] < NUM_FX)
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{
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__fxsfunc(cur_fx[x],d,r);
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}
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}
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d=d*fx_weight + d2*(1.0-fx_weight);
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r=r*fx_weight + r2*(1.0-fx_weight);
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}
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static int mmx_fadeval[2]={1,1};
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static unsigned int const mmx_blend4_revn[2]={0xff00ff,0xff00ff};
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static int const mmx_blend4_zero;
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////// NEW FASTER (HOPEFULLY) - THANKS FOR THE IDEA RYAN! :)
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static int mask1[2]={0x0000ffff,0};
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static int mask2[2]={0xffff0000,0};
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static int revy[2]={0,0xff00ff};
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static int mask3[2]={0xffffffff,0};
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static int mask4[2]={0,0xffffffff};
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static int subma=0x000000FF;
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#ifdef CLOOP
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static __inline unsigned char FASTMMXBLEND(unsigned char *i, unsigned int w, int xp, int yp)
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{
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__asm
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{
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movd mm1, [xp]
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mov eax, i
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psrlw mm1, 8 // mm1 = -0XP
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mov esi, w
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movd mm3, [yp]
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punpcklwd mm1,mm1 // mm1=00XP-00XP
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psrlw mm3, 8 // mm3 = -0YP
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sub ecx, ecx
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movd mm2, [subma] // mm2=0000-00FF
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mov cl, [eax]
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psubw mm2, mm1 // mm2=00??-00XI
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mov ch, [eax+1]
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punpcklwd mm3,mm3 // mm3=00YP-00YP
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pand mm1, [mask2] // mm1=00XP-0000
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punpckldq mm3, mm3 //mm3=00YP-00YP-00YP-00YP
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shl ecx, 16
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movq mm4, [revy] // mm4=0000-0000-00FF-00FF
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pand mm2, [mask1] // mm2=0000-00XI
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psubw mm4, mm3 // mm4=00YI-00YI-00??-00??
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mov cl, [eax+esi]
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pand mm3, [mask3] // mm3=0000-0000-00YP-00YP
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por mm1, mm2 // mm1=00XP-00XI
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pand mm4, [mask4] // mm4=00YI-00YI-0000-0000
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mov ch, [eax+esi+1]
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por mm3, mm4 // mm3=00YP-00YP-00YI-00YI
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punpckldq mm1, mm1 //mm1=00XP-00XI-00XP-00XI
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pmullw mm1, mm3
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movd mm0, ecx
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punpcklbw mm0, [mmx_blend4_zero]
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psrlw mm1, 8
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Pmaddwd mm0, mm1
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// empty
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// stall
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// stall
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psrld mm0, 8
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// empty
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movq mm1, mm0
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// empty
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psrl mm1, 32
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// empty
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paddusb mm0, mm1
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// empty
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psubusb mm0, [mmx_fadeval]
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// empty
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movd eax, mm0
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}
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}
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#endif
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void moveframe_init(int w, int h, int divx, int divy, int fadeval)
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{
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int x = 0;
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XRES=divx+1;
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YRES=divy+1;
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if (XRES&1) XRES&=~1;
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if (YRES&1) YRES&=~1;
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if (XRES<2) XRES=2;
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if (YRES<2) YRES=2;
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if (XRES>128) XRES=128;
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if (YRES>128) YRES=128;
|
||
|
|
fx_gstarttime=(double)GetTickCount();
|
||
|
|
m_wmul = (int*)GlobalAlloc(GPTR,h*sizeof(int)+(XRES*YRES*2 + XRES*4 + 4)*sizeof(int));
|
||
|
|
m_tab=m_wmul + h;
|
||
|
|
for(x = 0; x < h; x ++)
|
||
|
|
m_wmul[x]=x*w;
|
||
|
|
g_w=w;
|
||
|
|
g_h=h;
|
||
|
|
mmx_fadeval[0]=fadeval;
|
||
|
|
mmx_fadeval[1]=fadeval;
|
||
|
|
}
|
||
|
|
|
||
|
|
void moveframe_quit()
|
||
|
|
{
|
||
|
|
if (m_wmul) GlobalFree(m_wmul);
|
||
|
|
m_wmul=NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void moveframe(unsigned char *inptr, unsigned char *outptr, unsigned char *visdata)
|
||
|
|
{
|
||
|
|
m_visdata=visdata;
|
||
|
|
int w=g_w;
|
||
|
|
int h=g_h;
|
||
|
|
int w_adj=(w-2)<<16;
|
||
|
|
int h_adj=(h-2)<<16;
|
||
|
|
|
||
|
|
fx_init();
|
||
|
|
int x = 0;
|
||
|
|
int y = 0;
|
||
|
|
int *tabptr=m_tab;
|
||
|
|
|
||
|
|
double xsc=2.0/w,ysc=2.0/h;
|
||
|
|
double dw2=((double)w*32768.0);
|
||
|
|
double dh2=((double)h*32768.0);
|
||
|
|
double max_screen_d=sqrt((double)(w*w+h*h))*0.5;
|
||
|
|
|
||
|
|
double divmax_d=1.0/max_screen_d;
|
||
|
|
|
||
|
|
max_screen_d *= 65536.0;
|
||
|
|
double xo=fx_offs[0][0]*fx_weight + fx_offs[1][0]*(1.0-fx_weight);
|
||
|
|
double yo=fx_offs[0][1]*fx_weight + fx_offs[1][1]*(1.0-fx_weight);
|
||
|
|
|
||
|
|
int yc_pos, yc_dpos, xc_pos, xc_dpos;
|
||
|
|
yc_pos=0;
|
||
|
|
xc_dpos = (w<<16)/(XRES-1);
|
||
|
|
yc_dpos = (h<<16)/(YRES-1);
|
||
|
|
for (y = 0; y < YRES; y ++)
|
||
|
|
{
|
||
|
|
xc_pos=0;
|
||
|
|
for (x = 0; x < XRES; x ++)
|
||
|
|
{
|
||
|
|
double xd = 0, yd = 0;
|
||
|
|
|
||
|
|
xd=((double)xc_pos-dw2)*(1.0/65536.0);
|
||
|
|
yd=((double)yc_pos-dh2)*(1.0/65536.0);
|
||
|
|
xc_pos+=xc_dpos;
|
||
|
|
|
||
|
|
double var_d=sqrt(xd*xd+yd*yd)*divmax_d;
|
||
|
|
double var_r=atan2(yd,xd) + M_PI*0.5;
|
||
|
|
|
||
|
|
int tmp1 = 0, tmp2 = 0;
|
||
|
|
fx_apply(var_d,var_r);
|
||
|
|
var_d *= max_screen_d;
|
||
|
|
var_r -= M_PI*0.5;
|
||
|
|
|
||
|
|
tmp1=myftol(dw2*(1.0+xo) + cos(var_r) * var_d);
|
||
|
|
tmp2=myftol(dh2*(1.0+yo) + sin(var_r) * var_d);
|
||
|
|
if (tmp1 < 0) tmp1=0;
|
||
|
|
if (tmp1 > w_adj) tmp1=w_adj;
|
||
|
|
if (tmp2 < 0) tmp2=0;
|
||
|
|
if (tmp2 > h_adj) tmp2=h_adj;
|
||
|
|
*tabptr++ = tmp1;
|
||
|
|
*tabptr++ = tmp2;
|
||
|
|
}
|
||
|
|
yc_pos+=yc_dpos;
|
||
|
|
}
|
||
|
|
// yay, the table is generated. now we do a fixed point
|
||
|
|
// interpolation of the whole thing and pray.
|
||
|
|
|
||
|
|
int *interptab=m_tab+XRES*YRES*2;
|
||
|
|
int *rdtab=m_tab;
|
||
|
|
int yseek=1;
|
||
|
|
yc_pos=0;
|
||
|
|
xc_dpos=(w<<16)/(XRES-1);
|
||
|
|
yc_dpos=(h<<16)/(YRES-1);
|
||
|
|
int lypos=0;
|
||
|
|
int yl=h;
|
||
|
|
while (yl>0)
|
||
|
|
{
|
||
|
|
yc_pos+=yc_dpos;
|
||
|
|
yseek=(yc_pos>>16)-lypos;
|
||
|
|
if (!yseek) goto done;
|
||
|
|
lypos=yc_pos>>16;
|
||
|
|
int l=XRES;
|
||
|
|
int *stab=interptab;
|
||
|
|
int xr3=XRES*2;
|
||
|
|
while (l--)
|
||
|
|
{
|
||
|
|
int tmp1, tmp2;
|
||
|
|
tmp1=rdtab[0];
|
||
|
|
tmp2=rdtab[1];
|
||
|
|
stab[0]=tmp1;
|
||
|
|
stab[1]=tmp2;
|
||
|
|
stab[2]=(rdtab[XRES*2]-tmp1)/yseek;
|
||
|
|
stab[3]=(rdtab[XRES*2+1]-tmp2)/yseek;
|
||
|
|
rdtab+=2;
|
||
|
|
stab+=4;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (yseek > yl) yseek=yl;
|
||
|
|
yl-=yseek;
|
||
|
|
|
||
|
|
if (yseek > 0) while (yseek--)
|
||
|
|
{
|
||
|
|
int d_x;
|
||
|
|
int d_y;
|
||
|
|
int seek;
|
||
|
|
int *seektab=interptab;
|
||
|
|
int xp,yp;
|
||
|
|
int l=w;
|
||
|
|
int lpos=0;
|
||
|
|
int xc_pos=0;
|
||
|
|
while (l>0)
|
||
|
|
{
|
||
|
|
xc_pos+=xc_dpos;
|
||
|
|
seek=(xc_pos>>16)-lpos;
|
||
|
|
if (!seek) goto done;
|
||
|
|
lpos=xc_pos>>16;
|
||
|
|
xp=seektab[0];
|
||
|
|
yp=seektab[1];
|
||
|
|
d_x=(seektab[4]-xp)/(seek);
|
||
|
|
d_y=(seektab[5]-yp)/(seek);
|
||
|
|
seektab[0] += seektab[2];
|
||
|
|
seektab[1] += seektab[3];
|
||
|
|
seektab+=4;
|
||
|
|
|
||
|
|
if (seek>l) seek=l;
|
||
|
|
l-=seek;
|
||
|
|
if (seek>0)
|
||
|
|
{
|
||
|
|
// normal loop
|
||
|
|
#ifdef CLOOP
|
||
|
|
while (seek--)
|
||
|
|
{
|
||
|
|
*outptr++=FASTMMXBLEND(inptr+(xp>>16)+m_wmul[yp>>16],w,xp,yp);
|
||
|
|
xp+=d_x; yp+=d_y;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
__asm
|
||
|
|
{
|
||
|
|
mov edx, seek
|
||
|
|
mov edi, outptr
|
||
|
|
mov esi, w
|
||
|
|
|
||
|
|
align 16
|
||
|
|
myLoop1:
|
||
|
|
mov eax, m_wmul
|
||
|
|
mov ebx, [yp]
|
||
|
|
|
||
|
|
movd mm3, ebx
|
||
|
|
mov ecx, [xp]
|
||
|
|
|
||
|
|
shr ebx, 16
|
||
|
|
movd mm1, ecx
|
||
|
|
|
||
|
|
mov eax, [eax+ebx*4];
|
||
|
|
shr ecx, 16
|
||
|
|
|
||
|
|
psrlw mm1, 8 // mm1 = -0XP
|
||
|
|
add eax, ecx
|
||
|
|
|
||
|
|
punpcklwd mm1,mm1 // mm1=00XP-00XP
|
||
|
|
add eax, [inptr]
|
||
|
|
|
||
|
|
psrlw mm3, 8 // mm3 = -0YP
|
||
|
|
movd mm2, [subma] // mm2=0000-00FF
|
||
|
|
|
||
|
|
psubw mm2, mm1 // mm2=00??-00XI
|
||
|
|
mov cx, [eax]
|
||
|
|
|
||
|
|
punpcklwd mm3,mm3 // mm3=00YP-00YP
|
||
|
|
pand mm1, [mask2] // mm1=00XP-0000
|
||
|
|
|
||
|
|
punpckldq mm3, mm3 //mm3=00YP-00YP-00YP-00YP
|
||
|
|
shl ecx, 16
|
||
|
|
|
||
|
|
movq mm4, [revy] // mm4=0000-0000-00FF-00FF
|
||
|
|
pand mm2, [mask1] // mm2=0000-00XI
|
||
|
|
|
||
|
|
mov cx, [eax+esi]
|
||
|
|
|
||
|
|
por mm1, mm2 // mm1=00XP-00XI
|
||
|
|
psubw mm4, mm3 // mm4=00YI-00YI-00??-00??
|
||
|
|
|
||
|
|
pand mm3, [mask3] // mm3=0000-0000-00YP-00YP
|
||
|
|
pand mm4, [mask4] // mm4=00YI-00YI-0000-0000
|
||
|
|
|
||
|
|
por mm3, mm4 // mm3=00YP-00YP-00YI-00YI
|
||
|
|
punpckldq mm1, mm1 //mm1=00XP-00XI-00XP-00XI
|
||
|
|
|
||
|
|
pmullw mm1, mm3
|
||
|
|
|
||
|
|
movd mm0, ecx
|
||
|
|
// empty
|
||
|
|
|
||
|
|
// stall
|
||
|
|
|
||
|
|
punpcklbw mm0, [mmx_blend4_zero]
|
||
|
|
psrlw mm1, 8
|
||
|
|
|
||
|
|
Pmaddwd mm0, mm1
|
||
|
|
mov eax, [xp]
|
||
|
|
|
||
|
|
add eax, [d_x]
|
||
|
|
mov ebx, [yp]
|
||
|
|
|
||
|
|
mov [xp], eax
|
||
|
|
add ebx, [d_y]
|
||
|
|
|
||
|
|
psrld mm0, 8
|
||
|
|
mov [yp], ebx
|
||
|
|
|
||
|
|
movq mm1, mm0
|
||
|
|
// empty
|
||
|
|
|
||
|
|
psrl mm1, 32
|
||
|
|
// empty
|
||
|
|
|
||
|
|
paddusb mm0, mm1
|
||
|
|
// empty
|
||
|
|
|
||
|
|
psubusb mm0, [mmx_fadeval]
|
||
|
|
// empty
|
||
|
|
|
||
|
|
movd ecx, mm0
|
||
|
|
|
||
|
|
mov [edi], cl
|
||
|
|
|
||
|
|
inc edi
|
||
|
|
dec edx
|
||
|
|
jnz myLoop1
|
||
|
|
mov outptr, edi
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// adjust final (rightmost elem) part of seektab
|
||
|
|
seektab[0] += seektab[2];
|
||
|
|
seektab[1] += seektab[3];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
done:
|
||
|
|
__asm emms;
|
||
|
|
}
|