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,BH);\r
  52 //                              mxSetVirtualScreen((640-(TILEWH*4)),(480-(TILEWH*4)));\r
  53                                 mxSetClip(true);\r
  54                                 mxSetClipRegion(0, 0, VW, BH);\r
  55                                 mxPan(TILEWH*2,TILEWH*2);\r
  56                                 //mxSetClipRegion(0, VH+1, VW, (TILEWH*BUFFMX));\r
  57                 }\r
  58 }\r
  59 \r
  60 /////////////////////////////////////////////////////////////////////////////\r
  61 //                                                                                                                                               //\r
  62 // cls() - This clears the screen to the specified color, on the VGA or on //\r
  63 //               the Virtual screen.                                                                                     //\r
  64 //                                                                                                                                               //\r
  65 /////////////////////////////////////////////////////////////////////////////\r
  66 void cls(byte color, byte *Where){\r
  67                 _fmemset(Where, color, VW*(VH*2));\r
  68 }\r
  69 \r
  70 //color \82Ä\82·\82Æ\r
  71 short colortest(){\r
  72                 if(gq < NUM_COLORS){\r
  73                                 cls(gq, vga);\r
  74                                 gq++;\r
  75                 }else gq = 0;\r
  76                 return gq;\r
  77 }\r
  78 \r
  79 //color \82Ä\82·\82Æ\r
  80 short colorz(){\r
  81                 if(gq < HGQ){\r
  82 //----            cls(gq, vaddr);\r
  83                                 cls(gq, vga);\r
  84                                 gq++;\r
  85                 }else gq = LGQ;\r
  86                 return gq;\r
  87 }\r
  88 \r
  89 //slow spectrum down\r
  90 void ssd(short svq){\r
  91                 if(sy < SH+1){\r
  92                                 if(sx < SW+1){\r
  93                                                 //plotpixel(xx, yy, coor, vga);\r
  94                                                 //ppf(sx, sy, coor, vga);\r
  95                                                 mxPutPixel(sx, sy, coor);\r
  96                                                 //printf("%d %d %d %d\n", sx, sy, svq, coor);\r
  97                                                 sx++;\r
  98                                 }else sx = 0;\r
  99                                 if(sx == SW){\r
 100                                                 sy++;\r
 101                                                 if(svq == 7) coor++;\r
 102                                                 if(sy == SH && svq == 8) coor = rand()%NUM_COLORS;\r
 103                                 }\r
 104                 }else sy = 0;\r
 105 }\r
 106 \r
 107 /*-----------ding-------------*/\r
 108 short ding(int q){\r
 109 \r
 110                 short d3y;\r
 111 \r
 112 //++++  if(q <= 4 && q!=2 && gq == BONK-1) coor = rand()%HGQ;\r
 113                 if((q == 2\r
 114                 ||q==4\r
 115                 ||q==16\r
 116                 ) && gq == BONK){\r
 117                                                 if(coor < HGQ && coor < LGQ) coor = LGQ;\r
 118                                                 if(coor < HGQ-1){\r
 119                                                                 coor++;\r
 120                                 }else{ coor = LGQ;\r
 121                                                 bakax = rand()%3; bakay = rand()%3;\r
 122                                 }\r
 123                 }\r
 124 \r
 125                 if(q==8){ colorz(); return gq; mxOutText(SW/2, SH/2, "bakapi"); }else\r
 126                 if(q==10){ ssd(q); /*printf("%d\n", coor);*/ }else\r
 127                 if(q==5){ colortest(); return gq; }else\r
 128                 if(q==11){ colorz(); delay(100); return gq; }\r
 129                 if(q==6){\r
 130                                 coor = rand()%NUM_COLORS;\r
 131                                 cls(coor, vga);\r
 132                                 //updatevbuff();\r
 133                 }\r
 134 \r
 135                 if(q==7||q==9){\r
 136                                 if(gq < HGQ){\r
 137                                                 if(q == 7) ssd(q);\r
 138                                                 if(q == 9){ ssd(q); coor++; }\r
 139                                                 gq++;\r
 140                                 }else gq = LGQ;\r
 141                 }\r
 142                 if((q<5 && gq<BONK) || (q==16 && gq<BONK)){ // the number variable make the colors more noticable\r
 143                                 if(q==1){\r
 144                                                 if(xx==VW){bakax=0;}\r
 145                                                 if(xx==0){bakax=1;}\r
 146                                                 if(yy==VH){bakay=0;}\r
 147                                                 if(yy==0){bakay=1;}\r
 148                                 }else if(q==3){\r
 149                                                 if(xx!=VW||yy!=VH){\r
 150                                                                 if(xx==0){bakax=1;bakay=-1;d3y=1;}\r
 151                                                                 if(yy==0){bakax=1;bakay=0;d3y=1;}\r
 152                                                                 if(xx==VW){bakax=-1;bakay=-1;d3y=1;}\r
 153                                                                 if(yy==VH){bakax=1;bakay=0;d3y=1;}\r
 154                                                 }else if(xx==VW&&yy==VH) xx=yy=0;\r
 155                                 }\r
 156                                 if(q==3){\r
 157                                                 if(d3y){\r
 158                                                                 if(bakay<0){\r
 159                                                                                 yy--;\r
 160                                                                                 d3y--;\r
 161                                                                 }else\r
 162                                                                 if(bakay>0){\r
 163                                                                                 yy++;\r
 164                                                                                 d3y--;\r
 165                                                                 }\r
 166                                                 }\r
 167                                                 if(bakax<0){\r
 168                                                                 xx--;\r
 169                                                 }else\r
 170                                                 if(bakax>0){\r
 171                                                                 xx++;\r
 172                                                 }\r
 173                                 }else{\r
 174                                                 if(q==16)\r
 175                                                 {\r
 176                                                                 if(!bakax){\r
 177                                                                         xx--;\r
 178                                                                 }else if(bakax>0){\r
 179                                                                         xx++;\r
 180                                                                 }\r
 181                                                                 if(!bakay){\r
 182                                                                         yy--;\r
 183                                                                 }else if(bakay>0){\r
 184                                                                         yy++;\r
 185                                                                 }\r
 186                                                 }else{\r
 187                                                                 if(!bakax){\r
 188                                                                         #ifdef TILE\r
 189                                                                         xx-=TILEWH;\r
 190                                                                         #else\r
 191                                                                         xx--;\r
 192                                                                         #endif\r
 193                                                                 }else if(bakax>1){\r
 194                                                                         #ifdef TILE\r
 195                                                                         xx+=TILEWH;\r
 196                                                                         #else\r
 197                                                                         xx++;\r
 198                                                                         #endif\r
 199                                                                 }\r
 200                                                                 if(!bakay){\r
 201                                                                         #ifdef TILE\r
 202                                                                         yy-=TILEWH;\r
 203                                                                         #else\r
 204                                                                         yy--;\r
 205                                                                         #endif\r
 206                                                                 }else if(bakay>1){\r
 207                                                                         #ifdef TILE\r
 208                                                                         yy+=TILEWH;\r
 209                                                                         #else\r
 210                                                                         yy++;\r
 211                                                                         #endif\r
 212                                                                 }\r
 213                                                 }\r
 214                                 }\r
 215                                 // fixer\r
 216                                 if(q!=16){\r
 217                                         #ifdef TILE\r
 218                                                 if(xx<0) xx=(VW-TILEWH);\r
 219                                                 if(yy<0) yy=(VH-TILEWH);\r
 220                                                 if(xx>(VW-TILEWH)) xx=0;\r
 221                                                 if(yy>(VH-TILEWH)/*+(TILEWH*BUFFMX)*/) yy=0;\r
 222                                         #else\r
 223                                                 if(xx<0) xx=VW;\r
 224                                                 if(yy<0) yy=VH;\r
 225                                                 if(xx>VW) xx=0;\r
 226                                                 if(yy>VH) yy=0;\r
 227                                         #endif\r
 228                                 }\r
 229 \r
 230 //interesting effects\r
 231                                 if(q==16)\r
 232                                 {\r
 233                                 short tx=0,ty=0;\r
 234                                 tx+=xx+16;\r
 235                                 ty+=yy+16;\r
 236                                 mxPutPixel(tx, ty, coor);\r
 237                                 //printf("%d %d %d %d %d %d\n", xx, yy, tx, ty, TILEWH);\r
 238 \r
 239                                 // plot the pixel\r
 240                                 }else{\r
 241                                         #ifdef TILE\r
 242                                         mxFillBox(xx, yy, TILEWH, TILEWH, coor, OP_SET);\r
 243                                         #else\r
 244                                         mxPutPixel(xx, yy, coor);\r
 245                                         #endif\r
 246                                 } \r
 247 \r
 248                                 if(q==2)\r
 249                                 #ifdef TILE\r
 250                                         mxFillBox((rand()*TILEWH)%VW, (rand()*TILEWH)%(VH), TILEWH, TILEWH, 0, OP_SET);\r
 251                                 #else\r
 252                                         mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 253                                 #endif\r
 254                                 if(q==16) mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 255                                 if(q==2||q==4||q==16){ bakax = rand()%3; bakay = rand()%3; }  //random 3 switch\r
 256                                 gq++;\r
 257 //if(xx<0||xx>320||yy<0||yy>(SH*3))\r
 258 //        printf("%d %d %d %d %d\n", xx, yy, coor, bakax, bakay);\r
 259                 }else gq = LGQ;\r
 260                 return gq;\r
 261 }\r
 262 \r
 263 \r
 264 /*\r
 265  * The library testing routines follows below.\r
 266  */\r
 267 \r
 268 #ifdef TESTING\r
 269 \r
 270 /*\r
 271  * Library test (program) entry point.\r
 272  */\r
 273 \r
 274 int main(void)\r
 275                 {\r
 276                 short key,d,xpos,ypos,xdir,ydir;\r
 277                 int ch=0x0;\r
 278                 // main variables\r
 279                 d=4; // switch variable\r
 280                 key=2; // default screensaver number\r
 281                 xpos=TILEWH*2;\r
 282                 ypos=TILEWH*2;\r
 283                 xdir=1;\r
 284                 ydir=1;\r
 285                 setvideo(1);\r
 286 // screen savers\r
 287 \r
 288 /*while(d!=0){ // on!\r
 289                                 if(!kbhit()){ // conditions of screen saver\r
 290                                                 ding(key);\r
 291                                 }else{\r
 292                                                 setvideo(0);\r
 293                                                 // user imput switch\r
 294                                                 printf("Enter 1, 2, 3, 4, or 6 to run a screensaver, or enter 5 to quit.\n", getch());  // prompt the user\r
 295                                                 scanf("%d", &key);\r
 296                                                 //if(key==3){xx=yy=0;} // crazy screen saver wwww\r
 297                                                 if(key==5) d=0;\r
 298                                                 setvideo(1);\r
 299                                 }\r
 300                 }*/ // else off\r
 301                 mxFillBox(0, 0, VW, BH, 10, OP_SET);\r
 302                 while(1){ // conditions of screen saver\r
 303                 while(!kbhit()){\r
 304                         ding(key);\r
 305                 }\r
 306                 //end of screen savers\r
 307                 //doTest();\r
 308 /*              for (int x = 0; x < VW; ++x)\r
 309                         {\r
 310                                 mxPutPixel(x, 0, 15);\r
 311                                 mxPutPixel(x, SH-1, 15);\r
 312                         }\r
 313                 for (int y = 0; y < VH; ++y)\r
 314                         {\r
 315                                 mxPutPixel(0, y, 15);\r
 316                                 mxPutPixel(SW-1, y, 15);\r
 317                         }\r
 318                 for (int x = 0; x < VW; ++x)\r
 319                         {\r
 320                                 mxPutPixel(x, 0, 15);\r
 321                                 mxPutPixel(x, VH-1, 15);\r
 322                         }\r
 323                 for (int y = 240; y < VH; ++y)\r
 324                         {\r
 325                                 mxPutPixel(0, y, 15);\r
 326                                 mxPutPixel(VW-1, y, 15);\r
 327                         }\r
 328                         */\r
 329                         getch();\r
 330                         //text box\r
 331                         mxSetTextColor(10, OP_TRANS); //set font\r
 332                         mxBitBlt(xpos, ypos+(TILEWH*12), SW, TILEWH*BUFFMX, 0, BS); //copy background\r
 333                         mxFillBox(xpos, ypos+(TILEWH*12), SW, TILEWH*BUFFMX, 0, OP_SET); // background for text box\r
 334                         //+(QUADWH*6)\r
 335                         mxOutText(xpos+1, ypos+SH-48, "========================================");\r
 336                         mxOutText(xpos+1, ypos+SH-40, "|    |Chikyuu:$line1");\r
 337                         mxOutText(xpos+1, ypos+SH-32, "|    |$line2");\r
 338                         mxOutText(xpos+1, ypos+SH-24, "|    |$line3");\r
 339                         mxOutText(xpos+1, ypos+SH-16, "|    |$line4");\r
 340                         mxOutText(xpos+1, ypos+SH-8,  "========================================");\r
 341                         mxFillBox(xpos+QUADWH, ypos+QUADWH+(TILEWH*12), TILEWH*2, TILEWH*2, 9, OP_SET); //portriat~\r
 342                         getch();\r
 343                         mxBitBlt(0, BS, SW, TILEWH*BUFFMX, xpos, ypos+(TILEWH*12)); //copy background\r
 344                         getch();\r
 345                 while(!kbhit()){\r
 346                         //for(int i=0;i<TILEWH;i++){\r
 347                                 \r
 348                                 ding(key);\r
 349                                 mxPan(xpos,ypos);\r
 350 mxFillBox(384, 304, 384, 304, 10, OP_SET);\r
 351 //mxBitBlt(xpos, ypos, SW, SH, 32, (SH+64+32));\r
 352 mxBitBlt(TILEWH*2, TILEWH*2, SW, SH, 32, (SH+64+32));\r
 353                                 //for(short o = 0; o<TILEWH; o++){\r
 354                                         xpos+=xdir;\r
 355                                         ypos+=ydir;\r
 356                                         //if(ypos==1 || (ypos==(BH-SH-1)))delay(500);\r
 357                                         //if((xpos>(VW-SW-1)) || (xpos<1))delay(500);\r
 358                                         //mxWaitRetrace();\r
 359 //mxBitBlt(32, (SH+32), SW, SH, xpos, ypos);
 360 mxBitBlt(TILEWH*2, (SH+64+32), SW, SH, TILEWH*2, TILEWH*2);\r
 361 //xpos=ypos=TILEWH*2;\r
 362 mxPan(32,32);\r
 363                                 //}\r
 364                                 if( (xpos>(VW-SW-1))  || (xpos<1)){xdir=-xdir;}\r
 365                                 if( (ypos>(BH-SH-1)) || (ypos<1)){ydir=-ydir;} // { Hit a boundry, change\r
 366                         //    direction! }\r
 367 //mxBitBlt(32, (SH+64+32), SW, SH, xpos, ypos);
 368 //mxBitBlt(TILEWH*2, (SH+64+32), SW, SH, TILEWH*2, TILEWH*2);\r
 369                         }\r
 370                         ch=getch();\r
 371                         if(ch==0x71)break; // 'q'\r
 372                         if(ch==0x1b)break; // 'ESC'\r
 373                 }\r
 374                 setvideo(0);\r
 375                 printf("wwww\nFull Buffer Virtual Resolution: %dx%d\n", VW,BH);\r
 376                 printf("Virtual Resolution: %dx%d\n", VW,VH);\r
 377                 printf("Resolution: %dx%d\n", SW,SH);\r
 378                 printf("Mode X Library Version: %d\n", mxGetVersion());\r
 379                 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
 380                 return 0;\r
 381                 }\r
 382 \r
 383 #endif\r