src/bakapi.c

   1 /* Project 16 Source Code~
   2  * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123
   3  *
   4  * This file is part of Project 16.
   5  *
   6  * Project 16 is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Project 16 is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You screen.heightould have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>, or
  18  * write to the Free Software Foundation, Inc., 51 Franklin Street,
  19  * Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "src/bakapi.h"
  24
  25 /*
  26  * BAKAPEE!
  27  */
  28 global_game_variables_t gvar;
  29 static bakapee_t bakapee;
  30 word key,d,xpos,ypos,xdir,ydir;
  31 sword vgamodex_mode = 1; // 320x240 default
  32 int ch=0x0;
  33
  34 void
  35 main(int argc, char *argvar[])
  36 {
  37         char *a;
  38         int i;
  39         word panq=1, pand=0;
  40         boolean panswitch=0;
  41
  42         // allow changing default mode from command line
  43         for (i=1;i < argc;) {
  44                 a = argvar[i++];
  45
  46                 if (*a == '-') {
  47                         do { a++; } while (*a == '-');
  48
  49                         if (!strcmp(a,"mx")) {
  50                                 // (based on src/lib/modex16.c)
  51                                 // 1 = 320x240
  52                                 // 2 = 160x120
  53                                 // 3 = 320x200
  54                                 // 4 = 192x144
  55                                 // 5 = 256x192
  56                                 vgamodex_mode = (sword)strtoul(argvar[i++],NULL,0);
  57                         }
  58                         else {
  59                                 fprintf(stderr,"Unknown switch %s\n",a);
  60                                 return;
  61                         }
  62                 }
  63                 else {
  64                         fprintf(stderr,"Unknown command arg %s\n",a);
  65                         return;
  66                 }
  67         }
  68
  69         // DOSLIB: check our environment
  70         probe_dos();
  71
  72         // DOSLIB: what CPU are we using?
  73         // NTS: I can see from the makefile Sparky4 intends this to run on 8088 by the -0 switch in CFLAGS.
  74         //      So this code by itself shouldn't care too much what CPU it's running on. Except that other
  75         //      parts of this project (DOSLIB itself) rely on CPU detection to know what is appropriate for
  76         //      the CPU to carry out tasks. --J.C.
  77         cpu_probe();
  78
  79         // DOSLIB: check for VGA
  80         if (!probe_vga()) {
  81                 printf("VGA probe failed\n");
  82                 return;
  83         }
  84         // hardware must be VGA or higher!
  85         if (!(vga_state.vga_flags & VGA_IS_VGA)) {
  86                 printf("This program requires VGA or higher graphics hardware\n");
  87                 return;
  88         }
  89
  90         // main variables values
  91         d=4; // switch variable
  92         key=2; // default screensaver number
  93         xpos=TILEWHD;
  94         ypos=TILEWHD;
  95         xdir=1;
  96         ydir=1;
  97
  98         VGAmodeX(vgamodex_mode, 1, &gvar); // TODO: Suggestion: Instead of magic numbers for the first param, might I suggest defining an enum or some #define constants that are easier to remember? --J.C.
  99                 // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
 100                 // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
 101
 102         bakapee.xx = rand()&0%gvar.video.page[0].width;
 103         bakapee.yy = rand()&0%gvar.video.page[0].height;
 104         bakapee.gq = 0;
 105         bakapee.sx=0;
 106         bakapee.sy=0;
 107         bakapee.bakax=0;
 108         bakapee.bakay=0;
 109         bakapee.coor=0;
 110         bakapee.tile=0;
 111
 112         /* setup camera and screen~ */
 113         gvar.video.page[0] = modexDefaultPage(&gvar.video.page[0]);
 114         textInit();
 115
 116         //modexPalUpdate(bmp.palette); //____
 117         //modexDrawBmp(VGA, 0, 0, &bmp, 0); //____
 118         //getch(); //____
 119
 120         modexShowPage(&gvar.video.page[0]);
 121
 122 // screen savers
 123 #ifdef BOINK
 124         while(d>0)      // on!
 125         {
 126                 int c;
 127                 /* run screensaver routine until keyboard input */
 128                 while (key > 0) {
 129                         if (kbhit()) {
 130                                 if(!panswitch)
 131                                 {
 132                                         getch(); // eat keyboard input
 133                                         break;
 134                                 }else c=getch();
 135                         }
 136
 137                         if(!panswitch)  ding(&gvar.video.page[0], &bakapee, key);
 138                         else                    ding(&gvar.video.page[0], &bakapee, 2);
 139                         if(panswitch!=0)
 140                         {
 141                                 //right movement
 142                                 if((c==0x4d && pand == 0) || pand == 2)
 143                                 {
 144                                         if(pand == 0){ pand = 2; }
 145                                         if(panq<=(TILEWH/(4)))
 146                                         {
 147                                                 gvar.video.page[0].dx++;
 148                                                 modexShowPage(&gvar.video.page[0]);
 149                                                 panq++;
 150                                         } else { panq = 1; pand = 0; }
 151                                 }
 152                                 //left movement
 153                                 if((c==0x4b && pand == 0) || pand == 4)
 154                                 {
 155                                         if(pand == 0){ pand = 4; }
 156                                         if(panq<=(TILEWH/(4)))
 157                                         {
 158                                                 gvar.video.page[0].dx--;
 159                                                 modexShowPage(&gvar.video.page[0]);
 160                                                 panq++;
 161                                         } else { panq = 1; pand = 0; }
 162                                 }
 163                                 //down movement
 164                                 if((c==0x50 && pand == 0) || pand == 3)
 165                                 {
 166                                         if(pand == 0){ pand = 3; }
 167                                         if(panq<=(TILEWH/(4)))
 168                                         {
 169                                                 gvar.video.page[0].dy++;
 170                                                 modexShowPage(&gvar.video.page[0]);
 171                                                 panq++;
 172                                         } else { panq = 1; pand = 0; }
 173                                 }
 174                                 //up movement
 175                                 if((c==0x48 && pand == 0) || pand == 1)
 176                                 {
 177                                         if(pand == 0){ pand = 1; }
 178                                         if(panq<=(TILEWH/(4)))
 179                                         {
 180                                                 gvar.video.page[0].dy--;
 181                                                 modexShowPage(&gvar.video.page[0]);
 182                                                 panq++;
 183                                         } else { panq = 1; pand = 0; }
 184                                 }
 185                                 if(c==0x71 || c==0xb1 || c=='p')
 186                                 {
 187                                         //getch(); // eat keyboard input
 188                                         panswitch=0;
 189                                         break; // 'q' or 'ESC' or 'p'
 190                                 }
 191                         }
 192                 }
 193
 194                 {
 195
 196                 // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
 197                 // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
 198                         VGAmodeX(0, 0, &gvar);
 199                         // user imput switch
 200                         //fprintf(stderr, "xx=%d        yy=%d   tile=%d\n", bakapee.xx, bakapee.yy, bakapee.tile);
 201                         //fprintf(stderr, "dx=%d        dy=%d   ", gvar.video.page[0].dx, gvar.video.page[0].dy);
 202                         printf("Tiled mode is ");
 203                         switch (bakapee.tile)
 204                         {
 205                                 case 0:
 206                                         printf("off.    ");
 207                                 break;
 208                                 case 1:
 209                                         printf("on.     ");
 210                                 break;
 211                         }
 212                         //printf("\n");
 213                         printf("Pan mode is ");
 214                         switch (panswitch)
 215                         {
 216                                 case 0:
 217                                         printf("off.\n");
 218                                 break;
 219                                 case 1:
 220                                         printf("on.\n");
 221                                 break;
 222                         }
 223                         printf("Enter 1, 2, 3, 4, 5, 6, 8, or 9 to run a screensaver, or enter 0 to quit.\n");
 224 pee:
 225                         c = getch();
 226                         switch (c) {
 227                                 case 27: /* Escape key */
 228                                 case '0':
 229                                         d=0;
 230                                         break;
 231                                 case 'p': // test pan
 232                                 switch (panswitch)
 233                                 {
 234                                         case 0:
 235                                                 panswitch=1;
 236                                         break;
 237                                         case 1:
 238                                                 panswitch=0;
 239                                         break;
 240                                 }
 241                                 goto pee;
 242                                 break;
 243                                 case 'b': // test tile change
 244                                         switch (bakapee.tile)
 245                                         {
 246                                                 case 0:
 247                                                         bakapee.tile=1;
 248                                                 break;
 249                                                 case 1:
 250                                                         bakapee.tile=0;
 251                                                 break;
 252                                         }
 253                                         key=0;
 254                                         break;
 255                                 case '8':
 256                                         c+=8;
 257                                 case '1':
 258                                 case '2':
 259                                 case '3':
 260                                 case '4':
 261                                 case '5':
 262                                 case '6':
 263                                 case '9':
 264                                         key = c - '0';
 265                                         VGAmodeX(vgamodex_mode, 0, &gvar);
 266                                         gvar.video.page[0] = modexDefaultPage(&gvar.video.page[0]);
 267                 // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
 268                 // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
 269                                         modexShowPage(&gvar.video.page[0]);
 270                                         break;
 271                                 default:
 272                                         key=0;
 273                                         break;
 274                         }
 275                 }
 276         }
 277 #else // !defined(BOINK)
 278 // FIXME: Does not compile. Do you want to remove this?
 279 // TODO: This is a testing sextion for textrendering and panning for project 16 --sparky4
 280         while(1)
 281         { // conditions of screen saver
 282 //              while(!kbhit())
 283 //              {
 284 //                      ding(&gvar.video.page[0], &bakapee, key);
 285 //              }
 286                 //end of screen savers
 287                 //pdump(&gvar.video.page[0]);
 288
 289 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-48, "========================================");
 290 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-40, "|    |Chikyuu:$line1");
 291 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-32, "|    |$line2");
 292 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-24, "|    |$line3");
 293 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-16, "|    |$line4");
 294 //              mxOutText(xpos+1, ypos+gvar.video.page[0].height-8,  "========================================");
 295
 296         ding(&gvar.video.page[0], &bakapee, key);
 297         modexPanPage(&gvar.video.page[0], xpos, ypos);
 298         c = getch();
 299
 300 //      xpos+=xdir;
 301 //      ypos+=ydir;
 302 //      if( (xpos>(gvar.video.page[0].sw-gvar.video.page[0].width-1))  || (xpos<1)){xdir=-xdir;}
 303 //      if( (ypos>(gvar.video.page[0].sh-gvar.video.page[0].height-1)) || (ypos<1)){ydir=-ydir;}
 304 //      ch=getch();
 305         if(ch==0x71)break; // 'q'
 306         if(ch==0x1b)break; // 'ESC'
 307         }
 308         VGAmodeX(0, 1, &gvar);
 309 #endif // defined(BOINK)
 310 //      printf("page.width=%u   ", gvar.video.page[0].width); printf("page.height=%u\n", gvar.video.page[0].height);
 311         printf("bakapi ver. 1.04.16.04\nis made by sparky4\81i\81\86\83Ö\81\85\81j feel free to use it ^^\nLicence: GPL v3\n");
 312         printf("compiled on 2016/04/04\n");
 313 }
 314 //pee!