Mercurial > hg > forks > pwpunix
view peluce/planes.c @ 71:a87eb778f225
Improvements to the MinGW crossbuild. Should now build with default tools
from Debian mingw packages, though you need Win32 version of libSDL with the
necessary headers and so on in addition. 64-bit builds not tested and
probably won't work. Tested on Debian 7.0, earlier won't work.
binutils-mingw-w64-i686 gcc-mingw-w64-i686 mingw-w64-i686-dev
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Tue, 14 Aug 2012 03:08:10 +0300 |
parents | acb5694e93d9 |
children |
line wrap: on
line source
#include "pwpdemo.h" u8 psychtab0[64]= { 0x00,0x00,0x00,0x04,0x04,0x40,0x40,0x44,0x44,0x4c,0xc4,0xc4,0xcc,0xcc, 0xca,0xac,0xfa,0xef,0xec,0xce,0xcc,0xc4,0x4c,0x44,0x40,0x04,0x00,0x00, 0x00,0x04,0x06,0x60,0x66,0x6e,0xe6,0xee,0xef,0xfe,0xaf,0xfa,0xaa,0xea, 0xee,0xea,0xae,0xaa,0xa3,0x3a,0x33,0x32,0x23,0x22,0x20,0x02,0x08,0x00, 0x08,0x07,0x77,0x78,0x08,0x00,0x01 }; u8 psychtab1[64]= { 0x04,0x06,0x0e,0x6e,0xe6,0xee,0xe6,0x6e,0x60,0x06,0x00,0x01,0x10,0x15, 0x51,0x55,0x5d,0xd5,0xdd,0xd5,0x5d,0x55,0x51,0x15,0x11,0x1e,0xe1,0xee, 0xef,0xfe,0xff,0xfe,0xef,0xee,0xea,0xae,0xaa,0xa2,0x2a,0x20,0x02,0x00, 0x00,0x02,0x20,0x22,0x2e,0xe2,0xee,0xea,0xaa,0xa2,0x2a,0x20,0x02,0x01, 0x03,0x30,0x31,0x35,0x53,0x50,0x05 }; u8 psychtab2[64]= { 0x00,0x08,0x07,0x87,0x78,0x87,0x88,0x07,0x08,0x08,0x00,0x00,0x00,0x00, 0x01,0x03,0x30,0x33,0x03,0x03,0x01,0x09,0x19,0x19,0x91,0x91,0x99,0x99, 0x9c,0x99,0x91,0x19,0x1c,0x13,0x31,0x33,0x31,0x03,0x03,0x00,0x00,0x00, 0x04,0x40,0x44,0x04,0x04,0x04,0x00,0x04,0x40,0x4e,0x40,0x04,0x00,0x04, 0x05,0x05,0x04,0x04,0x00,0x00,0x00 }; void planes_draw(u8*map,int angle,int midpt) { register u8*d=pwplib.videobuf.d; register int x; register int du=(SIN(angle)*MIN(pwplib.videobuf.width,pwplib.videobuf.height))/4096; int dv=(COS(angle)*pwplib.videobuf.height)/6666; register int i=midpt*256-(pwplib.videobuf.height>>1)*dv -(pwplib.videobuf.width>>1)*du; int y=pwplib.videobuf.height; dv-=du*pwplib.videobuf.width; for(;y;y--) { for(x=pwplib.videobuf.width;x;x--) { *d++=map[(i>>8)&255]; i+=du; } i+=dv; } } void xorplanes_draw(u8*map,int angle,int angle2,int midpt,int midpt2) { register u8*d=pwplib.videobuf.d; register int x; register int du=(SIN(angle)*MIN(pwplib.videobuf.width,pwplib.videobuf.height))/4096, du2=(SIN(angle2)*MIN(pwplib.videobuf.width,pwplib.videobuf.height))/4096; int dv=(COS(angle)*pwplib.videobuf.height)/6666, dv2=(COS(angle2)*pwplib.videobuf.height)/6666; register int i=midpt*256-(pwplib.videobuf.height>>1)*dv -(pwplib.videobuf.width>>1)*du, j=midpt2*256-(pwplib.videobuf.height>>1)*dv2 -(pwplib.videobuf.width>>1)*du2; int y=pwplib.videobuf.height; for(;y;y--) { int ii=i,jj=j; for(x=pwplib.videobuf.width;x;x--) { *d++=map[(ii>>8)&255]^map[(jj>>8)&255]; ii+=du;jj+=du2; } i+=dv;j+=dv2; } } void planes_do(int t,int m) { u8*tabbu[3]={psychtab0,psychtab1,psychtab2}; u8 map[256]; u8*tabu=tabbu[m&15]; int step=1024,i,j=-t*80; for(i=0;i<128;i++) { map[i]=map[255-i]=tabu[(j>>8)&63]; j+=step; step-=(step>>4); } if(m&16) planes_draw(map,t,SIN(t)/512);else xorplanes_draw(map,t,t*3/11,SIN(t)/512,SIN(t*2.376)/1024); }