src/0.c

   1 #include <hw/cpu/cpu.h>\r
   2 #include <hw/dos/dos.h>\r
   3 #include <hw/vga/vga.h>\r
   4 #include <hw/vga/vrl.h>\r
   5 \r
   6 #include "src/tesuto.h"\r
   7 \r
   8 //#define FILENAME_1 "data/aconita.vrl"\r
   9 //#define FILENAME_2 "data/aconita.pal"\r
  10 #define FILENAME_1 "data/spri/chikyuu.vrl"\r
  11 #define FILENAME_2 "data/spri/chikyuu.pal"\r
  12 \r
  13 //#define PATTERN\r
  14 #define INITTNUM 1\r
  15 \r
  16 static unsigned char palette[768];\r
  17 player_t player[MaxPlayers];\r
  18 map_view_t mv[4];\r
  19 pan_t pan;\r
  20 \r
  21 int main(int argc,char **argv)\r
  22 {\r
  23         static global_game_variables_t gvar;\r
  24         struct vrl1_vgax_header *vrl_header;\r
  25         vrl1_vgax_offset_t *vrl_lineoffs;\r
  26         unsigned char *buffer;\r
  27         unsigned int bufsz;\r
  28         int fd, i;\r
  29         char *bakapee1,*bakapee2;\r
  30 \r
  31         boolean anim=1,noanim=1;\r
  32 \r
  33         pan.pn=0;\r
  34 \r
  35         bakapee1=malloc(64);\r
  36         bakapee2=malloc(1024);\r
  37 \r
  38         if (argc < 2) {\r
  39                 //fprintf(stderr,"drawvrl <VRL file> <palette file>\n palette file optional\n");\r
  40                 bakapee1 = FILENAME_1;//"data/aconita.vrl";\r
  41                 bakapee2 = FILENAME_2;//"data/aconita.pal";\r
  42 \r
  43         }else{\r
  44                 if(argv[1]) bakapee1 = argv[1];\r
  45                 if(argv[2]) bakapee2 = argv[2];\r
  46         }\r
  47 \r
  48         fd = open(bakapee1,O_RDONLY|O_BINARY);\r
  49         if (fd < 0) {\r
  50                 fprintf(stderr,"Unable to open '%s'\n", bakapee1);\r
  51                 return 1;\r
  52         }\r
  53         {\r
  54                 unsigned long sz = lseek(fd,0,SEEK_END);\r
  55                 if (sz < sizeof(*vrl_header)) return 1;\r
  56                 if (sz >= 65535UL) return 1;\r
  57 \r
  58                 bufsz = (unsigned int)sz;\r
  59                 buffer = malloc(bufsz);\r
  60                 if (buffer == NULL) return 1;\r
  61 \r
  62                 lseek(fd,0,SEEK_SET);\r
  63                 if ((unsigned int)read(fd,buffer,bufsz) < bufsz) return 1;\r
  64 \r
  65                 vrl_header = (struct vrl1_vgax_header*)buffer;\r
  66                 if (memcmp(vrl_header->vrl_sig,"VRL1",4) || memcmp(vrl_header->fmt_sig,"VGAX",4)) return 1;\r
  67                 if (vrl_header->width == 0 || vrl_header->height == 0) return 1;\r
  68         }\r
  69         close(fd);\r
  70 \r
  71         probe_dos();\r
  72         if (!probe_vga()) {\r
  73                 printf("VGA probe failed\n");\r
  74                 return 1;\r
  75         }\r
  76         VGAmodeX(1, 1, &gvar);\r
  77 \r
  78         /* load color palette */\r
  79         fd = open(bakapee2,O_RDONLY|O_BINARY);\r
  80         if (fd >= 0) {\r
  81                 unsigned int i;\r
  82 \r
  83                 read(fd,palette,768);\r
  84                 close(fd);\r
  85 \r
  86                 vga_palette_lseek(0);\r
  87                 for (i=0;i < 256;i++) vga_palette_write(palette[(i*3)+0]>>2,palette[(i*3)+1]>>2,palette[(i*3)+2]>>2);\r
  88         }\r
  89 \r
  90         /* preprocess the sprite to generate line offsets */\r
  91         vrl_lineoffs = vrl1_vgax_genlineoffsets(vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
  92         if (vrl_lineoffs == NULL) return 1;\r
  93 \r
  94         IN_Startup();\r
  95         IN_Default(0,&player,ctrl_Keyboard1);\r
  96         IN_initplayer(&player, 0);\r
  97 \r
  98         /* setup camera and screen~ */\r
  99         modexHiganbanaPageSetup(&gvar.video);\r
 100         modexShowPage(&(gvar.video.page[pan.pn]));\r
 101         for(i=0;i<gvar.video.num_of_pages;i++)\r
 102         {\r
 103                 mv[i].page = &gvar.video.page[i];\r
 104                 mv[i].video = &gvar.video;\r
 105                 mv[i].pan       = &pan;\r
 106                 mv[i].tx        = INITTNUM;\r
 107                 mv[i].ty        = INITTNUM;\r
 108         }\r
 109         //player[0].tx = INITTNUM; player[0].ty = INITTNUM;\r
 110         //mapinitmapview(mv, player[0].tx, player[0].tx);\r
 111 \r
 112 \r
 113         #define VMEMHEIGHT gvar.video.page[0].height+gvar.video.page[1].height\r
 114 \r
 115         //4     this draws that pattern on the screen\r
 116 #ifdef PATTERN\r
 117         {\r
 118                 unsigned int i,j,o;\r
 119                 /* fill screen with a distinctive pattern */\r
 120                 for (i=0;i < gvar.video.page[0].width;i++) {\r
 121                         o = i >> 2;\r
 122                         vga_write_sequencer(0x02/*map mask*/,1 << (i&3));\r
 123                         for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)\r
 124                                 vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!\r
 125                 }\r
 126         }\r
 127 #else\r
 128         TESTBG;\r
 129 #endif\r
 130 \r
 131         DRAWCORNERBOXES;\r
 132 \r
 133         /* make distinctive pattern offscreen, render sprite, copy onscreen.\r
 134          * this time, we render the distinctive pattern to another offscreen location and just copy.\r
 135          * note this version is much faster too! */\r
 136         {\r
 137                 unsigned int i,o,o2;\r
 138                 int x,y,rx,ry,w,h;\r
 139                 unsigned int overdraw = 1;      // how many pixels to "overdraw" so that moving sprites with edge pixels don't leave streaks.\r
 140                                                 // if the sprite's edge pixels are clear anyway, you can set this to 0.\r
 141                 VGA_RAM_PTR omemptr;\r
 142                 int xdir=1,ydir=1;\r
 143 \r
 144 #ifdef PATTERN\r
 145                 int j;\r
 146                 /* fill pattern offset with a distinctive pattern */\r
 147                 for (i=0;i < gvar.video.page[0].width;i++) {\r
 148                         o = (i >> 2) + (0x10000UL - (uint16_t)gvar.video.page[1].data);\r
 149                         vga_write_sequencer(0x02/*map mask*/,1 << (i&3));\r
 150                         for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)\r
 151                                 vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!\r
 152                 }\r
 153 #else\r
 154         TESTBG;\r
 155 #endif\r
 156                 DRAWCORNERBOXES;\r
 157 \r
 158                 /* starting coords. note: this technique is limited to x coordinates of multiple of 4 */\r
 159                 x = -(gvar.video.page[0].dx);\r
 160                 y = -(gvar.video.page[0].dy);\r
 161 \r
 162                 /* do it */\r
 163                 omemptr = vga_state.vga_graphics_ram; // save original mem ptr\r
 164 \r
 165                 while(!IN_KeyDown(sc_Escape))\r
 166                 {\r
 167                         IN_ReadControl(0,&player);\r
 168                         PANKEY0EXE;\r
 169                         if(IN_KeyDown(68) || IN_KeyDown(sc_Space))      //f10 and space\r
 170                         {\r
 171                                 //gvar.kurokku.fpscap=!gvar.kurokku.fpscap;\r
 172                                 anim=!anim;\r
 173                                 DRAWCORNERBOXES;\r
 174                                 IN_UserInput(1,1);\r
 175                         }\r
 176                         if(IN_KeyDown(sc_R)){\r
 177                                 gvar.video.page[0].dx=gvar.video.page[0].dy=gvar.video.page[1].dx=gvar.video.page[1].dy=16;\r
 178                                 mv[0].tx = mv[0].ty = mv[1].tx = mv[1].ty = INITTNUM;\r
 179                                 modexShowPage(&(gvar.video.page[pan.pn]));\r
 180                                 player[0].q = 1; player[0].d = 2;\r
 181                                 x=y=0;\r
 182                                 xdir=ydir=1;\r
 183                         } //R\r
 184                         FUNCTIONKEYFUNCTIONS0EXE;\r
 185 \r
 186                         if(anim/* && !noanim*/)\r
 187                         {\r
 188                                 /* render box bounds. y does not need modification, but x and width must be multiple of 4 */\r
 189                                 if (x >= overdraw) rx = (x - overdraw) & (~3);\r
 190                                 else rx = -(gvar.video.page[0].dx);\r
 191                                 if (y >= overdraw) ry = (y - overdraw);\r
 192                                 else ry = -(gvar.video.page[0].dy);\r
 193                                 h = vrl_header->height + overdraw + y - ry;\r
 194                                 w = (x + vrl_header->width + (overdraw*2) + 3/*round up*/ - rx) & (~3);\r
 195                                 if ((rx+w) > gvar.video.page[0].width) w = gvar.video.page[0].width-rx;\r
 196                                 if ((ry+h) > gvar.video.page[0].height) h = gvar.video.page[0].height-ry;\r
 197 \r
 198                                 /* block copy pattern to where we will draw the sprite */\r
 199                                 vga_setup_wm1_block_copy();\r
 200                                 o2 = gvar.video.page[0].pagesize;\r
 201                                 o = (0x10000UL - (uint16_t)gvar.video.page[1].data) + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen\r
 202                                 for (i=0;i < h;i++,o += gvar.video.page[0].stridew,o2 += (w >> 2)) vga_wm1_mem_block_copy(o2,o,w >> 2);\r
 203                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 204                                 vga_restore_rm0wm0();\r
 205 \r
 206                                 /* replace VGA stride with our own and mem ptr. then sprite rendering at this stage is just (0,0) */\r
 207                                 vga_state.vga_draw_stride_limit = (gvar.video.page[0].width + 3/*round up*/ - x) >> 2;\r
 208                                 vga_state.vga_draw_stride = w >> 2;\r
 209                                 vga_state.vga_graphics_ram = omemptr + gvar.video.page[0].pagesize;\r
 210 \r
 211                                 /* then the sprite. note modding ram ptr means we just draw to (x&3,0) */\r
 212 draw_vrl1_vgax_modex(x-rx,y-ry,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
 213 \r
 214                                 /* restore ptr */\r
 215                                 vga_state.vga_graphics_ram = omemptr;\r
 216 \r
 217                                 /* block copy to visible RAM from offscreen */\r
 218                                 vga_setup_wm1_block_copy();\r
 219                                 o = gvar.video.page[0].pagesize; // source offscreen\r
 220                                 o2 = (ry * gvar.video.page[0].stridew) + (rx >> 2); // dest visible (original stride)\r
 221                                 for (i=0;i < h;i++,o += vga_state.vga_draw_stride,o2 += gvar.video.page[0].stridew) vga_wm1_mem_block_copy(o2,o,w >> 2);\r
 222                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 223                                 vga_restore_rm0wm0();\r
 224 \r
 225                                 /* restore stride */\r
 226                                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 227 \r
 228                                 /* step */\r
 229                                 x += xdir; y += ydir;\r
 230                                 if ((x + vrl_header->width) >= ((gvar.video.page[0].width + gvar.video.page[0].dx) - 1) || x == -(gvar.video.page[0].dx))\r
 231                                         xdir = -xdir;\r
 232                                 if ((y + vrl_header->height) >= ((gvar.video.page[0].height + gvar.video.page[0].dy) - 1) || y == -(gvar.video.page[0].dy))\r
 233                                         ydir = -ydir;\r
 234                                 //printf("[x%u y%u]     [rx%u ry%u]             [w%u h%u]\n", x, y, rx, ry, w, h);\r
 235                         }\r
 236                 }\r
 237         }\r
 238 \r
 239         IN_UserInput(1,1);\r
 240 \r
 241 //      while(!IN_KeyDown(sc_Escape))\r
 242 //      {\r
 243 //              IN_ReadControl(0,&player);\r
 244 //              PANKEY0EXE;\r
 245 //      }\r
 246 \r
 247 //===========================================================================//\r
 248 \r
 249         modexShowPage(&(gvar.video.page[0]));\r
 250 if(!noanim) {\r
 251         /* another handy "demo" effect using VGA write mode 1.\r
 252          * we can take what's on screen and vertically squash it like an old analog TV set turning off. */\r
 253         {\r
 254                 unsigned int blank_line_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height * 2);\r
 255                 unsigned int copy_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 256                 unsigned int display_ofs = 0x0000;\r
 257                 unsigned int i,y,soh,doh,dstart;\r
 258                 unsigned int dh_blankfill = 8;\r
 259                 unsigned int dh_step = 8;\r
 260                 uint32_t sh,dh,yf,ystep;\r
 261 \r
 262                 /* copy active display (0) to offscreen buffer (0x4000) */\r
 263                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 264                 vga_setup_wm1_block_copy();\r
 265                 vga_wm1_mem_block_copy(copy_ofs,display_ofs,gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 266                 vga_restore_rm0wm0();\r
 267 \r
 268                 /* need a blank line as well */\r
 269                 for (i=0;i < gvar.video.page[0].stridew;i++) vga_state.vga_graphics_ram[i+blank_line_ofs] = 0;\r
 270 \r
 271                 sh = dh = gvar.video.page[0].height;\r
 272                 while (dh >= dh_step) {\r
 273                         /* stop animating if the user hits ENTER */\r
 274                         if (kbhit()) {\r
 275                                 if (getch() == 13) break;\r
 276                         }\r
 277 \r
 278                         /* wait for vsync end */\r
 279                         vga_wait_for_vsync_end();\r
 280 \r
 281                         /* what scalefactor to use for stretching? */\r
 282                         ystep = (0x10000UL * sh) / dh;\r
 283                         dstart = (gvar.video.page[0].height - dh) / 2; // center the squash effect on screen, otherwise it would squash to top of screen\r
 284                         doh = display_ofs;\r
 285                         soh = copy_ofs;\r
 286                         yf = 0;\r
 287                         y = 0;\r
 288 \r
 289                         /* for performance, keep VGA in write mode 1 the entire render */\r
 290                         vga_setup_wm1_block_copy();\r
 291 \r
 292                         /* blank lines */\r
 293                         if (dstart >= dh_blankfill) y = dstart - dh_blankfill;\r
 294                         else y = 0;\r
 295                         doh = gvar.video.page[0].stridew * y;\r
 296 \r
 297                         while (y < dstart) {\r
 298                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 299                                 doh += gvar.video.page[0].stridew;\r
 300                                 y++;\r
 301                         }\r
 302 \r
 303                         /* draw */\r
 304                         while (y < (dh+dstart)) {\r
 305                                 soh = copy_ofs + ((yf >> 16UL) * gvar.video.page[0].stridew);\r
 306                                 vga_wm1_mem_block_copy(doh,soh,gvar.video.page[0].stridew);\r
 307                                 doh += gvar.video.page[0].stridew;\r
 308                                 yf += ystep;\r
 309                                 y++;\r
 310                         }\r
 311 \r
 312                         /* blank lines */\r
 313                         while (y < gvar.video.page[0].height && y < (dh+dstart+dh_blankfill)) {\r
 314                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 315                                 doh += gvar.video.page[0].stridew;\r
 316                                 y++;\r
 317                         }\r
 318 \r
 319                         /* done */\r
 320                         vga_restore_rm0wm0();\r
 321 \r
 322                         /* wait for vsync */\r
 323                         vga_wait_for_vsync();\r
 324 \r
 325                         /* make it shrink */\r
 326                         dh -= dh_step;\r
 327                         if (dh < 40) dh_step = 1;\r
 328                 }\r
 329         }\r
 330 }\r
 331         IN_Shutdown();\r
 332         VGAmodeX(0, 1, &gvar);\r
 333         free(vrl_lineoffs);\r
 334         buffer = NULL;\r
 335         free(buffer);\r
 336         bufsz = 0;\r
 337         free(bakapee1);\r
 338         free(bakapee2);\r
 339         //printf("mv 0\n        tx=%d   ty=%d\n\n", mv[0].tx, mv[0].tx);\r
 340         //printf("mv 1\n        tx=%d   ty=%d\n", mv[1].tx, mv[1].tx);\r
 341         return 0;\r
 342 }\r