16/dos_gfx.cpp

   1 //DOS Graphics thingy by sparky4 licence GPL v2\r
   2 //a special thanks to everyone to release source code for mode X\r
   3 /*src\lib\*/\r
   4 #include "dos_gfx.h"\r
   5 \r
   6 int old_mode;\r
   7 //color \82Ä\82·\82Æ\r
   8 short gq = LGQ;\r
   9 \r
  10 //\82Ä\82·\82Æ\r
  11 short bakax = 0, bakay = 0;\r
  12 syte xx = rand()&0%SW, yy = rand()&0%SH, sx = 0, sy = 0;\r
  13 byte coor;\r
  14 \r
  15 byte *vga = (byte *) MK_FP(0xA000, 0);\r
  16 \r
  17 /*\r
  18  * Comment out the following #define if you don't want the testing main()\r
  19  * to be included.\r
  20  */\r
  21 #define TESTING\r
  22 #define TILE\r
  23 \r
  24 /////////////////////////////////////////////////////////////////////////////\r
  25 //                                                                         //\r
  26 // setvideo() - This function Manages the video modes                                     //\r
  27 //                                                                         //\r
  28 /////////////////////////////////////////////////////////////////////////////\r
  29 void setvideo(/*byte mode, */short vq){\r
  30                 union REGS in, out;\r
  31 \r
  32                 if(!vq){ // deinit the video\r
  33                                 // change to the video mode we were in before we switched to mode 13h\r
  34                                 //mxSetMode( MX_TEXT );\r
  35                                 mxTerm();\r
  36                                 in.h.ah = 0x00;\r
  37                                 in.h.al = old_mode;\r
  38                                 int86(0x10, &in, &out);\r
  39 \r
  40                 }else if(vq==1){ // init the video\r
  41                                 // get old video mode\r
  42                                 in.h.ah = 0xf;\r
  43                                 int86(0x10, &in, &out);\r
  44                                 old_mode = out.h.al;\r
  45 \r
  46                                 // enter mode\r
  47                                 mxInit();\r
  48                                 mxSetMode( MX_320x240 );\r
  49 //                              mxSetVirtualScreen(SW+(SW/4), SH+(SH/4));\r
  50 //                              mxSetVirtualScreen(SW*2, SH*2);\r
  51                                 mxSetVirtualScreen(VW,(VH+(TILEWH*BUFFMX)));\r
  52 //                              mxSetVirtualScreen((640-(TILEWH*4)),(480-(TILEWH*4)));\r
  53                                 mxSetClip(true);\r
  54                                 mxSetClipRegion(0, 0, VW, (VH+(TILEWH*BUFFMX)));\r
  55                                 //mxSetClipRegion(0, VH+1, VW, (TILEWH*BUFFMX));\r
  56                 }\r
  57 }\r
  58 \r
  59 /////////////////////////////////////////////////////////////////////////////\r
  60 //                                                                                                                                               //\r
  61 // cls() - This clears the screen to the specified color, on the VGA or on //\r
  62 //               the Virtual screen.                                                                                     //\r
  63 //                                                                                                                                               //\r
  64 /////////////////////////////////////////////////////////////////////////////\r
  65 void cls(byte color, byte *Where){\r
  66                 _fmemset(Where, color, VW*(VH*1.5));\r
  67 }\r
  68 \r
  69 //color \82Ä\82·\82Æ\r
  70 short colortest(){\r
  71                 if(gq < NUM_COLORS){\r
  72                                 cls(gq, vga);\r
  73                                 gq++;\r
  74                 }else gq = 0;\r
  75                 return gq;\r
  76 }\r
  77 \r
  78 //color \82Ä\82·\82Æ\r
  79 short colorz(){\r
  80                 if(gq < HGQ){\r
  81 //----            cls(gq, vaddr);\r
  82                                 cls(gq, vga);\r
  83                                 gq++;\r
  84                 }else gq = LGQ;\r
  85                 return gq;\r
  86 }\r
  87 \r
  88 //slow spectrum down\r
  89 void ssd(short svq){\r
  90                 if(sy < SH+1){\r
  91                                 if(sx < SW+1){\r
  92                                                 //plotpixel(xx, yy, coor, vga);\r
  93                                                 //ppf(sx, sy, coor, vga);\r
  94                                                 mxPutPixel(sx, sy, coor);\r
  95                                                 //printf("%d %d %d %d\n", sx, sy, svq, coor);\r
  96                                                 sx++;\r
  97                                 }else sx = 0;\r
  98                                 if(sx == SW){\r
  99                                                 sy++;\r
 100                                                 if(svq == 7) coor++;\r
 101                                                 if(sy == SH && svq == 8) coor = rand()%NUM_COLORS;\r
 102                                 }\r
 103                 }else sy = 0;\r
 104 }\r
 105 \r
 106 /*-----------ding-------------*/\r
 107 short ding(int q){\r
 108 \r
 109                 short d3y;\r
 110 \r
 111 //++++  if(q <= 4 && q!=2 && gq == BONK-1) coor = rand()%HGQ;\r
 112                 if((q == 2\r
 113                 ||q==4\r
 114                 ||q==16\r
 115                 ) && gq == BONK){\r
 116                                                 if(coor < HGQ && coor < LGQ) coor = LGQ;\r
 117                                                 if(coor < HGQ-1){\r
 118                                                                 coor++;\r
 119                                 }else{ coor = LGQ;\r
 120                                                 bakax = rand()%3; bakay = rand()%3;\r
 121                                 }\r
 122                 }\r
 123 \r
 124                 if(q==8){ colorz(); return gq; mxOutText(SW/2, SH/2, "bakapi"); }else\r
 125                 if(q==10){ ssd(q); /*printf("%d\n", coor);*/ }else\r
 126                 if(q==5){ colortest(); return gq; }else\r
 127                 if(q==11){ colorz(); delay(100); return gq; }\r
 128                 if(q==6){\r
 129                                 coor = rand()%NUM_COLORS;\r
 130                                 cls(coor, vga);\r
 131                                 //updatevbuff();\r
 132                 }\r
 133 \r
 134                 if(q==7||q==9){\r
 135                                 if(gq < HGQ){\r
 136                                                 if(q == 7) ssd(q);\r
 137                                                 if(q == 9){ ssd(q); coor++; }\r
 138                                                 gq++;\r
 139                                 }else gq = LGQ;\r
 140                 }\r
 141                 if((q<5 && gq<BONK) || (q==16 && gq<BONK)){ // the number variable make the colors more noticable\r
 142                                 if(q==1){\r
 143                                                 if(xx==VW){bakax=0;}\r
 144                                                 if(xx==0){bakax=1;}\r
 145                                                 if(yy==VH){bakay=0;}\r
 146                                                 if(yy==0){bakay=1;}\r
 147                                 }else if(q==3){\r
 148                                                 if(xx!=VW||yy!=VH){\r
 149                                                                 if(xx==0){bakax=1;bakay=-1;d3y=1;}\r
 150                                                                 if(yy==0){bakax=1;bakay=0;d3y=1;}\r
 151                                                                 if(xx==VW){bakax=-1;bakay=-1;d3y=1;}\r
 152                                                                 if(yy==VH){bakax=1;bakay=0;d3y=1;}\r
 153                                                 }else if(xx==VW&&yy==VH) xx=yy=0;\r
 154                                 }\r
 155                                 if(q==3){\r
 156                                                 if(d3y){\r
 157                                                                 if(bakay<0){\r
 158                                                                                 yy--;\r
 159                                                                                 d3y--;\r
 160                                                                 }else\r
 161                                                                 if(bakay>0){\r
 162                                                                                 yy++;\r
 163                                                                                 d3y--;\r
 164                                                                 }\r
 165                                                 }\r
 166                                                 if(bakax<0){\r
 167                                                                 xx--;\r
 168                                                 }else\r
 169                                                 if(bakax>0){\r
 170                                                                 xx++;\r
 171                                                 }\r
 172                                 }else{\r
 173                                                 if(q==16)\r
 174                                                 {\r
 175                                                                 if(!bakax){\r
 176                                                                         xx--;\r
 177                                                                 }else if(bakax>0){\r
 178                                                                         xx++;\r
 179                                                                 }\r
 180                                                                 if(!bakay){\r
 181                                                                         yy--;\r
 182                                                                 }else if(bakay>0){\r
 183                                                                         yy++;\r
 184                                                                 }\r
 185                                                 }else{\r
 186                                                                 if(!bakax){\r
 187                                                                         #ifdef TILE\r
 188                                                                         xx-=TILEWH;\r
 189                                                                         #else\r
 190                                                                         xx--;\r
 191                                                                         #endif\r
 192                                                                 }else if(bakax>1){\r
 193                                                                         #ifdef TILE\r
 194                                                                         xx+=TILEWH;\r
 195                                                                         #else\r
 196                                                                         xx++;\r
 197                                                                         #endif\r
 198                                                                 }\r
 199                                                                 if(!bakay){\r
 200                                                                         #ifdef TILE\r
 201                                                                         yy-=TILEWH;\r
 202                                                                         #else\r
 203                                                                         yy--;\r
 204                                                                         #endif\r
 205                                                                 }else if(bakay>1){\r
 206                                                                         #ifdef TILE\r
 207                                                                         yy+=TILEWH;\r
 208                                                                         #else\r
 209                                                                         yy++;\r
 210                                                                         #endif\r
 211                                                                 }\r
 212                                                 }\r
 213                                 }\r
 214                                 // fixer\r
 215                                 if(q!=16){\r
 216                                                 if(xx<0) xx=(VW/*-TILEWH*/);\r
 217                                                 if(yy<0) yy=(VH/*-TILEWH*/);\r
 218                                                 if(xx>(VW/*-TILEWH*/)) xx=0;\r
 219                                                 if(yy>(VH+(TILEWH*BUFFMX))) yy=0;\r
 220                                 }\r
 221 \r
 222 //interesting effects\r
 223                                 if(q==16)\r
 224                                 {\r
 225                                 short tx=0,ty=0;\r
 226                                 tx+=xx+16;\r
 227                                 ty+=yy+16;\r
 228                                 mxPutPixel(tx, ty, coor);\r
 229                                 //printf("%d %d %d %d %d %d\n", xx, yy, tx, ty, TILEWH);\r
 230 \r
 231                                 // plot the pixel\r
 232                                 }else{\r
 233                                         #ifdef TILE\r
 234                                         mxFillBox(xx, yy, TILEWH, TILEWH, coor, OP_SET);\r
 235                                         #else\r
 236                                         mxPutPixel(xx, yy, coor);\r
 237                                         #endif\r
 238                                 } \r
 239 \r
 240                                 if(q==2) mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 241                                 if(q==16) mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 242                                 if(q==2||q==4||q==16){ bakax = rand()%3; bakay = rand()%3; }  //random 3 switch\r
 243                                 gq++;\r
 244 //if(xx<0||xx>320||yy<0||yy>(SH*3))\r
 245 //        printf("%d %d %d %d %d\n", xx, yy, coor, bakax, bakay);\r
 246                 }else gq = LGQ;\r
 247                 return gq;\r
 248 }\r
 249 \r
 250 \r
 251 /*\r
 252  * The library testing routines follows below.\r
 253  */\r
 254 \r
 255 #ifdef TESTING\r
 256 \r
 257 /*\r
 258  * Library test (program) entry point.\r
 259  */\r
 260 \r
 261 int main(void)\r
 262                 {\r
 263                 short key,d,xpos,ypos,xdir,ydir;\r
 264                 int ch=0x0;\r
 265                 // main variables\r
 266                 d=4; // switch variable\r
 267                 key=4; // default screensaver number\r
 268                 xpos=0;\r
 269                 ypos=0;\r
 270                 xdir=1;\r
 271                 ydir=1;\r
 272                 setvideo(1);\r
 273 // screen savers\r
 274 \r
 275 /*while(d!=0){ // on!\r
 276                                 if(!kbhit()){ // conditions of screen saver\r
 277                                                 ding(key);\r
 278                                 }else{\r
 279                                                 setvideo(0);\r
 280                                                 // user imput switch\r
 281                                                 printf("Enter 1, 2, 3, 4, or 6 to run a screensaver, or enter 5 to quit.\n", getch());  // prompt the user\r
 282                                                 scanf("%d", &key);\r
 283                                                 //if(key==3){xx=yy=0;} // crazy screen saver wwww\r
 284                                                 if(key==5) d=0;\r
 285                                                 setvideo(1);\r
 286                                 }\r
 287                 }*/ // else off\r
 288                 while(1){ // conditions of screen saver\r
 289                 while(!kbhit()){\r
 290                         ding(key);\r
 291                 }\r
 292                 //end of screen savers\r
 293                 //doTest();\r
 294                 for (int x = 0; x < VW; ++x)\r
 295                         {\r
 296                                 mxPutPixel(x, 0, 15);\r
 297                                 mxPutPixel(x, SH-1, 15);\r
 298                         }\r
 299                 for (int y = 0; y < VH; ++y)\r
 300                         {\r
 301                                 mxPutPixel(0, y, 15);\r
 302                                 mxPutPixel(SW-1, y, 15);\r
 303                         }\r
 304                 for (int x = 0; x < VW; ++x)\r
 305                         {\r
 306                                 mxPutPixel(x, 0, 15);\r
 307                                 mxPutPixel(x, VH-1, 15);\r
 308                         }\r
 309                 for (int y = 240; y < VH; ++y)\r
 310                         {\r
 311                                 mxPutPixel(0, y, 15);\r
 312                                 mxPutPixel(VW-1, y, 15);\r
 313                         }\r
 314                         \r
 315                         getch();\r
 316                         mxSetTextColor(8, OP_TRANS);
 317                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-48, "==================================");
 318                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-40, "CRAZY!!!!]");\r
 319                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-32, "CRAZY!!!!]");\r
 320                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-24, "____  CRAZY!!!!]");\r
 321                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-16, "___    _  CRAZY!!!!]");
 322                         mxOutText(xpos+(QUADWH*6)+1, ypos+SH-8, "==================================");\r
 323                         getch();\r
 324                 while(!kbhit()){\r
 325 //                      hScroll(1);\r
 326 //                      scrolly(1);\r
 327 //                      vScroll(1);\r
 328 //                      delay(100);\r
 329                         //for(int i=0;i<TILEWH;i++){
 330                                 \r
 331                                 ding(key);\r
 332                                 mxPan(xpos,ypos);\r
 333                                 //for(short o = 0; o<TILEWH; o++){\r
 334                                         xpos+=xdir;\r
 335                                         ypos+=ydir;
 336                                         if(ypos==1 || (ypos==((VH+(TILEWH*BUFFMX))-SH-1)))delay(1000);\r
 337                                         mxWaitRetrace();\r
 338                                 //}\r
 339                                 if( (xpos>(VW-SW-1))  || (xpos<1)){xdir=-xdir;}\r
 340                                 if( (ypos>((VH+(TILEWH*BUFFMX))-SH-1)) || (ypos<1)){ydir=-ydir;} // { Hit a boundry, change\r
 341                         //    direction! }\r
 342                         }\r
 343                         ch=getch();\r
 344                         if(ch==0x71)break; // 'q'\r
 345                         if(ch==0x1b)break; // 'ESC'\r
 346                 }\r
 347                 setvideo(0);\r
 348                 printf("wwww\nVirtual Resolution: %dx%d\n", VW,VH);
 349                 printf("Resolution: %dx%d\n", SW,SH);\r
 350                 printf("Mode X Library Version: %d\n", mxGetVersion());\r
 351                 //puts("where to next?  It's your move! wwww");\r
 352                 printf("bakapi ver. 1.04.09.04\nis made by sparky4\81i\81\86\83Ö\81\85\81j feel free to use it ^^\nLicence: GPL v2\n");\r
 353                 return 0;\r
 354                 }\r
 355 \r
 356 #endif\r