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 map_t map;//junk var\r
  22 \r
  23 int main(int argc,char **argv)\r
  24 {\r
  25         static global_game_variables_t gvar;\r
  26         struct vrl1_vgax_header *vrl_header;\r
  27         vrl1_vgax_offset_t *vrl_lineoffs;\r
  28         unsigned char *buffer;\r
  29         unsigned int bufsz;\r
  30         int fd;\r
  31         char *bakapee1,*bakapee2;\r
  32 \r
  33         boolean anim=1,noanim=0;\r
  34 \r
  35         pan.pn=0;\r
  36 \r
  37         bakapee1=malloc(64);\r
  38         bakapee2=malloc(1024);\r
  39 \r
  40         if (argc < 2) {\r
  41                 //fprintf(stderr,"drawvrl <VRL file> <palette file>\n palette file optional\n");\r
  42                 bakapee1 = FILENAME_1;//"data/aconita.vrl";\r
  43                 bakapee2 = FILENAME_2;//"data/aconita.pal";\r
  44 \r
  45         }else{\r
  46                 if(argv[1]) bakapee1 = argv[1];\r
  47                 if(argv[2]) bakapee2 = argv[2];\r
  48         }\r
  49 \r
  50         fd = open(bakapee1,O_RDONLY|O_BINARY);\r
  51         if (fd < 0) {\r
  52                 fprintf(stderr,"Unable to open '%s'\n", bakapee1);\r
  53                 return 1;\r
  54         }\r
  55         {\r
  56                 unsigned long sz = lseek(fd,0,SEEK_END);\r
  57                 if (sz < sizeof(*vrl_header)) return 1;\r
  58                 if (sz >= 65535UL) return 1;\r
  59 \r
  60                 bufsz = (unsigned int)sz;\r
  61                 buffer = malloc(bufsz);\r
  62                 if (buffer == NULL) return 1;\r
  63 \r
  64                 lseek(fd,0,SEEK_SET);\r
  65                 if ((unsigned int)read(fd,buffer,bufsz) < bufsz) return 1;\r
  66 \r
  67                 vrl_header = (struct vrl1_vgax_header*)buffer;\r
  68                 if (memcmp(vrl_header->vrl_sig,"VRL1",4) || memcmp(vrl_header->fmt_sig,"VGAX",4)) return 1;\r
  69                 if (vrl_header->width == 0 || vrl_header->height == 0) return 1;\r
  70         }\r
  71         close(fd);\r
  72 \r
  73         probe_dos();\r
  74         if (!probe_vga()) {\r
  75                 printf("VGA probe failed\n");\r
  76                 return 1;\r
  77         }\r
  78         VGAmodeX(1, 1, &gvar);\r
  79 \r
  80         modexPalUpdate0(palette);\r
  81 \r
  82         /* load color palette */\r
  83         fd = open(bakapee2,O_RDONLY|O_BINARY);\r
  84         if (fd >= 0) {\r
  85                 unsigned int i;\r
  86 \r
  87                 read(fd,palette,768);\r
  88                 close(fd);\r
  89 \r
  90                 vga_palette_lseek(0);\r
  91                 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
  92         }\r
  93 \r
  94         /* preprocess the sprite to generate line offsets */\r
  95         vrl_lineoffs = vrl1_vgax_genlineoffsets(vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
  96         if (vrl_lineoffs == NULL) return 1;\r
  97 \r
  98         IN_Startup();\r
  99         IN_Default(0,&player,ctrl_Keyboard1);\r
 100         IN_initplayer(&player, 0);\r
 101 \r
 102         /* setup camera and screen~ */\r
 103         modexHiganbanaPageSetup(&gvar.video);\r
 104         modexMVSetup(&mv, &map, &pan, &gvar);\r
 105         modexShowPage(&(gvar.video.page[pan.pn]));\r
 106         //player[0].tx = INITTNUM; player[0].ty = INITTNUM;\r
 107         //mapinitmapview(mv, player[0].tx, player[0].tx);\r
 108 \r
 109 \r
 110         #define VMEMHEIGHT gvar.video.page[0].height+gvar.video.page[1].height\r
 111 \r
 112         //4     this draws that pattern on the screen\r
 113 #ifdef PATTERN\r
 114         {\r
 115                 unsigned int i,j,o;\r
 116                 /* fill screen with a distinctive pattern */\r
 117                 for (i=0;i < gvar.video.page[0].width;i++) {\r
 118                         o = i >> 2;\r
 119                         vga_write_sequencer(0x02/*map mask*/,1 << (i&3));\r
 120                         for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)\r
 121                                 vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!\r
 122                 }\r
 123         }\r
 124 #else\r
 125         TESTBG;\r
 126 #endif\r
 127 \r
 128         //DRAWCORNERBOXES;\r
 129 \r
 130         /* make distinctive pattern offscreen, render sprite, copy onscreen.\r
 131          * this time, we render the distinctive pattern to another offscreen location and just copy.\r
 132          * note this version is much faster too! */\r
 133         {\r
 134                 unsigned int i,o,o2;\r
 135                 int x,y,rx,ry,w,h;\r
 136                 unsigned int overdraw = 1;      // how many pixels to "overdraw" so that moving sprites with edge pixels don't leave streaks.\r
 137                                                 // if the sprite's edge pixels are clear anyway, you can set this to 0.\r
 138                 VGA_RAM_PTR omemptr;\r
 139                 int xdir=1,ydir=1;\r
 140 \r
 141 #ifdef PATTERN\r
 142                 int j;\r
 143                 /* fill pattern offset with a distinctive pattern */\r
 144                 for (i=0;i < gvar.video.page[0].width;i++) {\r
 145                         o = (i >> 2) + (0x10000UL - (uint16_t)gvar.video.page[1].data);\r
 146                         vga_write_sequencer(0x02/*map mask*/,1 << (i&3));\r
 147                         for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)\r
 148                                 vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!\r
 149                 }\r
 150 #else\r
 151         TESTBG;\r
 152 #endif\r
 153                 //DRAWCORNERBOXES;\r
 154 \r
 155                 /* starting coords. note: this technique is limited to x coordinates of multiple of 4 */\r
 156                 x = -(gvar.video.page[0].dx);\r
 157                 y = -(gvar.video.page[0].dy);\r
 158 \r
 159                 /* do it */\r
 160                 omemptr = vga_state.vga_graphics_ram; // save original mem ptr\r
 161 \r
 162                 while(!IN_KeyDown(sc_Escape))\r
 163                 {\r
 164                         IN_ReadControl(0,&player);\r
 165                         PANKEY0EXE;\r
 166                         if(IN_KeyDown(68) || IN_KeyDown(sc_Space))      //f10 and space\r
 167                         {\r
 168                                 //gvar.kurokku.fpscap=!gvar.kurokku.fpscap;\r
 169                                 anim=!anim;\r
 170                                 DRAWCORNERBOXES;\r
 171                                 IN_UserInput(1,1);\r
 172                         }\r
 173                         if(IN_KeyDown(sc_R)){\r
 174                                 gvar.video.page[0].dx=gvar.video.page[0].dy=gvar.video.page[1].dx=gvar.video.page[1].dy=16;\r
 175                                 mv[0].tx = mv[0].ty = mv[1].tx = mv[1].ty = INITTNUM;\r
 176                                 modexShowPage(&(gvar.video.page[pan.pn]));\r
 177                                 player[0].q = 1; player[0].d = 2;\r
 178                                 x=y=0;\r
 179                                 xdir=ydir=1;\r
 180                                 //TESTBG;\r
 181                                 DRAWCORNERBOXES;\r
 182                         } //R\r
 183                         FUNCTIONKEYFUNCTIONS0EXE;\r
 184 \r
 185                         if(anim && !noanim)\r
 186                         {\r
 187                                 /* render box bounds. y does not need modification, but x and width must be multiple of 4 */\r
 188                                 if (x >= overdraw) rx = (x - overdraw) & (~3);\r
 189                                 else rx = -(gvar.video.page[0].dx);\r
 190                                 if (y >= overdraw) ry = (y - overdraw);\r
 191                                 else ry = -(gvar.video.page[0].dy);\r
 192                                 h = vrl_header->height + overdraw + y - ry;\r
 193                                 w = (x + vrl_header->width + (overdraw*2) + 3/*round up*/ - rx) & (~3);\r
 194                                 if ((rx+w) > gvar.video.page[0].width) w = gvar.video.page[0].width-rx;\r
 195                                 if ((ry+h) > gvar.video.page[0].height) h = gvar.video.page[0].height-ry;\r
 196 \r
 197                                 /* block copy pattern to where we will draw the sprite */\r
 198                                 vga_setup_wm1_block_copy();\r
 199                                 o2 = gvar.video.page[0].pagesize;\r
 200                                 o = (0x10000UL - (uint16_t)gvar.video.page[1].data) + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen\r
 201                                 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
 202                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 203                                 vga_restore_rm0wm0();\r
 204 \r
 205                                 /* replace VGA stride with our own and mem ptr. then sprite rendering at this stage is just (0,0) */\r
 206                                 vga_state.vga_draw_stride_limit = (gvar.video.page[0].width + 3/*round up*/ - x) >> 2;\r
 207                                 vga_state.vga_draw_stride = w >> 2;\r
 208                                 vga_state.vga_graphics_ram = omemptr + gvar.video.page[0].pagesize;\r
 209 \r
 210                                 /* then the sprite. note modding ram ptr means we just draw to (x&3,0) */\r
 211 draw_vrl1_vgax_modex(x-rx,y-ry,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
 212 \r
 213                                 /* restore ptr */\r
 214                                 vga_state.vga_graphics_ram = omemptr;\r
 215 \r
 216                                 /* block copy to visible RAM from offscreen */\r
 217                                 vga_setup_wm1_block_copy();\r
 218                                 o = gvar.video.page[0].pagesize; // source offscreen\r
 219                                 o2 = (ry * gvar.video.page[0].stridew) + (rx >> 2); // dest visible (original stride)\r
 220                                 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
 221                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 222                                 vga_restore_rm0wm0();\r
 223 \r
 224                                 /* restore stride */\r
 225                                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 226 \r
 227                                 /* step */\r
 228                                 x += xdir; y += ydir;\r
 229                                 if ((x + vrl_header->width) >= ((gvar.video.page[0].width + gvar.video.page[0].dx) - 1) || x == -(gvar.video.page[0].dx))\r
 230                                         xdir = -xdir;\r
 231                                 if ((y + vrl_header->height) >= ((gvar.video.page[0].height + gvar.video.page[0].dy) - 1) || y == -(gvar.video.page[0].dy))\r
 232                                         ydir = -ydir;\r
 233                                 //printf("[x%u y%u]     [rx%u ry%u]             [w%u h%u]\n", x, y, rx, ry, w, h);\r
 234                         }\r
 235                 }\r
 236         }\r
 237 \r
 238         IN_UserInput(1,1);\r
 239 \r
 240 //      while(!IN_KeyDown(sc_Escape))\r
 241 //      {\r
 242 //              IN_ReadControl(0,&player);\r
 243 //              PANKEY0EXE;\r
 244 //      }\r
 245 \r
 246 //===========================================================================//\r
 247 \r
 248         modexShowPage(&(gvar.video.page[0]));\r
 249 if(!noanim) {\r
 250         /* another handy "demo" effect using VGA write mode 1.\r
 251          * we can take what's on screen and vertically squash it like an old analog TV set turning off. */\r
 252         {\r
 253                 unsigned int blank_line_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height * 2);\r
 254                 unsigned int copy_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 255                 unsigned int display_ofs = 0x0000;\r
 256                 unsigned int i,y,soh,doh,dstart;\r
 257                 unsigned int dh_blankfill = 8;\r
 258                 unsigned int dh_step = 8;\r
 259                 uint32_t sh,dh,yf,ystep;\r
 260 \r
 261                 /* copy active display (0) to offscreen buffer (0x4000) */\r
 262                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 263                 vga_setup_wm1_block_copy();\r
 264                 vga_wm1_mem_block_copy(copy_ofs,display_ofs,gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 265                 vga_restore_rm0wm0();\r
 266 \r
 267                 /* need a blank line as well */\r
 268                 for (i=0;i < gvar.video.page[0].stridew;i++) vga_state.vga_graphics_ram[i+blank_line_ofs] = 0;\r
 269 \r
 270                 sh = dh = gvar.video.page[0].height;\r
 271                 while (dh >= dh_step) {\r
 272                         /* stop animating if the user hits ENTER */\r
 273                         if (kbhit()) {\r
 274                                 if (getch() == 13) break;\r
 275                         }\r
 276 \r
 277                         /* wait for vsync end */\r
 278                         vga_wait_for_vsync_end();\r
 279 \r
 280                         /* what scalefactor to use for stretching? */\r
 281                         ystep = (0x10000UL * sh) / dh;\r
 282                         dstart = (gvar.video.page[0].height - dh) / 2; // center the squash effect on screen, otherwise it would squash to top of screen\r
 283                         doh = display_ofs;\r
 284                         soh = copy_ofs;\r
 285                         yf = 0;\r
 286                         y = 0;\r
 287 \r
 288                         /* for performance, keep VGA in write mode 1 the entire render */\r
 289                         vga_setup_wm1_block_copy();\r
 290 \r
 291                         /* blank lines */\r
 292                         if (dstart >= dh_blankfill) y = dstart - dh_blankfill;\r
 293                         else y = 0;\r
 294                         doh = gvar.video.page[0].stridew * y;\r
 295 \r
 296                         while (y < dstart) {\r
 297                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 298                                 doh += gvar.video.page[0].stridew;\r
 299                                 y++;\r
 300                         }\r
 301 \r
 302                         /* draw */\r
 303                         while (y < (dh+dstart)) {\r
 304                                 soh = copy_ofs + ((yf >> 16UL) * gvar.video.page[0].stridew);\r
 305                                 vga_wm1_mem_block_copy(doh,soh,gvar.video.page[0].stridew);\r
 306                                 doh += gvar.video.page[0].stridew;\r
 307                                 yf += ystep;\r
 308                                 y++;\r
 309                         }\r
 310 \r
 311                         /* blank lines */\r
 312                         while (y < gvar.video.page[0].height && y < (dh+dstart+dh_blankfill)) {\r
 313                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 314                                 doh += gvar.video.page[0].stridew;\r
 315                                 y++;\r
 316                         }\r
 317 \r
 318                         /* done */\r
 319                         vga_restore_rm0wm0();\r
 320 \r
 321                         /* wait for vsync */\r
 322                         vga_wait_for_vsync();\r
 323 \r
 324                         /* make it shrink */\r
 325                         dh -= dh_step;\r
 326                         if (dh < 40) dh_step = 1;\r
 327                 }\r
 328         }\r
 329 }\r
 330         IN_Shutdown();\r
 331         VGAmodeX(0, 1, &gvar);\r
 332         free(vrl_lineoffs);\r
 333         buffer = NULL;\r
 334         free(buffer);\r
 335         bufsz = 0;\r
 336         free(bakapee1);\r
 337         free(bakapee2);\r
 338         //printf("mv 0\n        tx=%d   ty=%d\n\n", mv[0].tx, mv[0].tx);\r
 339         //printf("mv 1\n        tx=%d   ty=%d\n", mv[1].tx, mv[1].tx);\r
 340         return 0;\r
 341 }\r