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 void pdump(){\r
  61         int mult=(QUADWH)/2;\r
  62         int palq=(mult)*16;\r
  63         int palcol=0;\r
  64         for(int paly=0; paly<palq; paly+=mult){\r
  65                 for(int palx=0; palx<palq; palx+=mult){\r
  66                                 mxFillBox((SW-palq)+palx+32, paly+32, TILEWH, TILEWH, palcol, OP_SET);\r
  67                         palcol++;\r
  68                 }\r
  69         }\r
  70 }\r
  71 \r
  72 /////////////////////////////////////////////////////////////////////////////\r
  73 //                                                                                                                                               //\r
  74 // cls() - This clears the screen to the specified color, on the VGA or on //\r
  75 //               the Virtual screen.                                                                                     //\r
  76 //                                                                                                                                               //\r
  77 /////////////////////////////////////////////////////////////////////////////\r
  78 void cls(byte color, byte *Where){\r
  79                 _fmemset(Where, color, VW*(VH*2));\r
  80 }\r
  81 \r
  82 //color \82Ä\82·\82Æ\r
  83 short colortest(){\r
  84                 if(gq < NUM_COLORS){\r
  85                                 cls(gq, vga);\r
  86                                 gq++;\r
  87                 }else gq = 0;\r
  88                 return gq;\r
  89 }\r
  90 \r
  91 //color \82Ä\82·\82Æ\r
  92 short colorz(){\r
  93                 if(gq < HGQ){\r
  94 //----            cls(gq, vaddr);\r
  95                                 cls(gq, vga);\r
  96                                 gq++;\r
  97                 }else gq = LGQ;\r
  98                 return gq;\r
  99 }\r
 100 \r
 101 //slow spectrum down\r
 102 void ssd(short svq){\r
 103                 if(sy < SH+1){\r
 104                                 if(sx < SW+1){\r
 105                                                 //plotpixel(xx, yy, coor, vga);\r
 106                                                 //ppf(sx, sy, coor, vga);\r
 107                                                 mxPutPixel(sx, sy, coor);\r
 108                                                 //printf("%d %d %d %d\n", sx, sy, svq, coor);\r
 109                                                 sx++;\r
 110                                 }else sx = 0;\r
 111                                 if(sx == SW){\r
 112                                                 sy++;\r
 113                                                 if(svq == 7) coor++;\r
 114                                                 if(sy == SH && svq == 8) coor = rand()%NUM_COLORS;\r
 115                                 }\r
 116                 }else sy = 0;\r
 117 }\r
 118 \r
 119 /*-----------ding-------------*/\r
 120 short ding(int q){\r
 121 \r
 122                 short d3y;\r
 123 \r
 124 //++++  if(q <= 4 && q!=2 && gq == BONK-1) coor = rand()%HGQ;\r
 125                 if((q == 2\r
 126                 ||q==4\r
 127                 ||q==16\r
 128                 ) && gq == BONK){\r
 129                                                 if(coor < HGQ && coor < LGQ) coor = LGQ;\r
 130                                                 if(coor < HGQ-1){\r
 131                                                                 coor++;\r
 132                                 }else{ coor = LGQ;\r
 133                                                 bakax = rand()%3; bakay = rand()%3;\r
 134                                 }\r
 135                 }\r
 136 \r
 137                 if(q==8){ colorz(); return gq; mxOutText(SW/2, SH/2, "bakapi"); }else\r
 138                 if(q==10){ ssd(q); /*printf("%d\n", coor);*/ }else\r
 139                 if(q==5){ colortest(); return gq; }else\r
 140                 if(q==11){ colorz(); delay(100); return gq; }\r
 141                 if(q==6){\r
 142                                 coor = rand()%NUM_COLORS;\r
 143                                 cls(coor, vga);\r
 144                                 //updatevbuff();\r
 145                 }\r
 146 \r
 147                 if(q==7||q==9){\r
 148                                 if(gq < HGQ){\r
 149                                                 if(q == 7) ssd(q);\r
 150                                                 if(q == 9){ ssd(q); coor++; }\r
 151                                                 gq++;\r
 152                                 }else gq = LGQ;\r
 153                 }\r
 154                 if((q<5 && gq<BONK) || (q==16 && gq<BONK)){ // the number variable make the colors more noticable\r
 155                                 if(q==1){\r
 156                                                 if(xx==VW){bakax=0;}\r
 157                                                 if(xx==0){bakax=1;}\r
 158                                                 if(yy==VH){bakay=0;}\r
 159                                                 if(yy==0){bakay=1;}\r
 160                                 }else if(q==3){\r
 161                                                 if(xx!=VW||yy!=VH){\r
 162                                                                 if(xx==0){bakax=1;bakay=-1;d3y=1;}\r
 163                                                                 if(yy==0){bakax=1;bakay=0;d3y=1;}\r
 164                                                                 if(xx==VW){bakax=-1;bakay=-1;d3y=1;}\r
 165                                                                 if(yy==VH){bakax=1;bakay=0;d3y=1;}\r
 166                                                 }else if(xx==VW&&yy==VH) xx=yy=0;\r
 167                                 }\r
 168                                 if(q==3){\r
 169                                                 if(d3y){\r
 170                                                                 if(bakay<0){\r
 171                                                                                 yy--;\r
 172                                                                                 d3y--;\r
 173                                                                 }else\r
 174                                                                 if(bakay>0){\r
 175                                                                                 yy++;\r
 176                                                                                 d3y--;\r
 177                                                                 }\r
 178                                                 }\r
 179                                                 if(bakax<0){\r
 180                                                                 xx--;\r
 181                                                 }else\r
 182                                                 if(bakax>0){\r
 183                                                                 xx++;\r
 184                                                 }\r
 185                                 }else{\r
 186                                                 if(q==16)\r
 187                                                 {\r
 188                                                                 if(!bakax){\r
 189                                                                         xx--;\r
 190                                                                 }else if(bakax>0){\r
 191                                                                         xx++;\r
 192                                                                 }\r
 193                                                                 if(!bakay){\r
 194                                                                         yy--;\r
 195                                                                 }else if(bakay>0){\r
 196                                                                         yy++;\r
 197                                                                 }\r
 198                                                 }else{\r
 199                                                                 if(!bakax){\r
 200                                                                         #ifdef TILE\r
 201                                                                         xx-=TILEWH;\r
 202                                                                         #else\r
 203                                                                         xx--;\r
 204                                                                         #endif\r
 205                                                                 }else if(bakax>1){\r
 206                                                                         #ifdef TILE\r
 207                                                                         xx+=TILEWH;\r
 208                                                                         #else\r
 209                                                                         xx++;\r
 210                                                                         #endif\r
 211                                                                 }\r
 212                                                                 if(!bakay){\r
 213                                                                         #ifdef TILE\r
 214                                                                         yy-=TILEWH;\r
 215                                                                         #else\r
 216                                                                         yy--;\r
 217                                                                         #endif\r
 218                                                                 }else if(bakay>1){\r
 219                                                                         #ifdef TILE\r
 220                                                                         yy+=TILEWH;\r
 221                                                                         #else\r
 222                                                                         yy++;\r
 223                                                                         #endif\r
 224                                                                 }\r
 225                                                 }\r
 226                                 }\r
 227                                 // fixer\r
 228                                 if(q!=16){\r
 229                                         #ifdef TILE\r
 230                                                 if(xx<0) xx=(VW-TILEWH);\r
 231                                                 if(yy<0) yy=(VH-TILEWH);\r
 232                                                 if(xx>(VW-TILEWH)) xx=0;\r
 233                                                 if(yy>(VH-TILEWH)/*+(TILEWH*BUFFMX)*/) yy=0;\r
 234                                         #else\r
 235                                                 if(xx<0) xx=VW;\r
 236                                                 if(yy<0) yy=VH;\r
 237                                                 if(xx>VW) xx=0;\r
 238                                                 if(yy>VH) yy=0;\r
 239                                         #endif\r
 240                                 }\r
 241 \r
 242 //interesting effects\r
 243                                 if(q==16)\r
 244                                 {\r
 245                                 short tx=0,ty=0;\r
 246                                 tx+=xx+16;\r
 247                                 ty+=yy+16;\r
 248                                 mxPutPixel(tx, ty, coor);\r
 249                                 //printf("%d %d %d %d %d %d\n", xx, yy, tx, ty, TILEWH);\r
 250 \r
 251                                 // plot the pixel\r
 252                                 }else{\r
 253                                         #ifdef TILE\r
 254                                         mxFillBox(xx, yy, TILEWH, TILEWH, coor, OP_SET);\r
 255                                         #else\r
 256                                         mxPutPixel(xx, yy, coor);\r
 257                                         #endif\r
 258                                 } \r
 259 \r
 260                                 if(q==2)\r
 261                                 #ifdef TILE\r
 262                                         mxFillBox((rand()*TILEWH)%VW, (rand()*TILEWH)%(VH), TILEWH, TILEWH, 0, OP_SET);\r
 263                                 #else\r
 264                                         mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 265                                 #endif\r
 266                                 if(q==16) mxPutPixel(rand()%VW, rand()%(VH), 0);\r
 267                                 if(q==2||q==4||q==16){ bakax = rand()%3; bakay = rand()%3; }  //random 3 switch\r
 268                                 gq++;\r
 269 //if(xx<0||xx>320||yy<0||yy>(SH*3))\r
 270 //        printf("%d %d %d %d %d\n", xx, yy, coor, bakax, bakay);\r
 271                 }else gq = LGQ;\r
 272                 return gq;\r
 273 }\r
 274 \r
 275 \r
 276 /*\r
 277  * The library testing routines follows below.\r
 278  */\r
 279 \r
 280 #ifdef TESTING\r
 281 \r
 282 /*\r
 283  * Library test (program) entry point.\r
 284  */\r
 285 \r
 286 int main(void)\r
 287                 {\r
 288                 short key,d,xpos,ypos,xdir,ydir;\r
 289                 int ch=0x0;\r
 290                 // main variables\r
 291                 d=4; // switch variable\r
 292                 key=2; // default screensaver number\r
 293                 xpos=TILEWH*2;\r
 294                 ypos=TILEWH*2;\r
 295                 xdir=1;\r
 296                 ydir=1;\r
 297                 setvideo(1);\r
 298 // screen savers\r
 299 \r
 300 /*while(d!=0){ // on!\r
 301                                 if(!kbhit()){ // conditions of screen saver\r
 302                                                 ding(key);\r
 303                                 }else{\r
 304                                                 setvideo(0);\r
 305                                                 // user imput switch\r
 306                                                 printf("Enter 1, 2, 3, 4, or 6 to run a screensaver, or enter 5 to quit.\n", getch());  // prompt the user\r
 307                                                 scanf("%d", &key);\r
 308                                                 //if(key==3){xx=yy=0;} // crazy screen saver wwww\r
 309                                                 if(key==5) d=0;\r
 310                                                 setvideo(1);\r
 311                                 }\r
 312                 }*/ // else off\r
 313                 mxFillBox(0, 0, VW, BH, 10, OP_SET);\r
 314                 while(1){ // conditions of screen saver\r
 315                 while(!kbhit()){\r
 316                         ding(key);\r
 317                 }\r
 318                 //end of screen savers\r
 319                 //doTest();\r
 320 /*              for (int x = 0; x < VW; ++x)\r
 321                         {\r
 322                                 mxPutPixel(x, 0, 15);\r
 323                                 mxPutPixel(x, SH-1, 15);\r
 324                         }\r
 325                 for (int y = 0; y < VH; ++y)\r
 326                         {\r
 327                                 mxPutPixel(0, y, 15);\r
 328                                 mxPutPixel(SW-1, y, 15);\r
 329                         }\r
 330                 for (int x = 0; x < VW; ++x)\r
 331                         {\r
 332                                 mxPutPixel(x, 0, 15);\r
 333                                 mxPutPixel(x, VH-1, 15);\r
 334                         }\r
 335                 for (int y = 240; y < VH; ++y)\r
 336                         {\r
 337                                 mxPutPixel(0, y, 15);\r
 338                                 mxPutPixel(VW-1, y, 15);\r
 339                         }\r
 340                         */\r
 341                         pdump();\r
 342                         getch();\r
 343                         //text box\r
 344                         mxSetTextColor(10, OP_TRANS); //set font\r
 345                         mxBitBlt(xpos, ypos+(TILEWH*12), SW, TILEWH*BUFFMX, 0, BS); //copy background\r
 346                         mxFillBox(xpos, ypos+(TILEWH*12), SW, TILEWH*BUFFMX, 0, OP_SET); // background for text box\r
 347                         //+(QUADWH*6)\r
 348                         mxOutText(xpos+1, ypos+SH-48, "========================================");\r
 349                         mxOutText(xpos+1, ypos+SH-40, "|    |Chikyuu:$line1");\r
 350                         mxOutText(xpos+1, ypos+SH-32, "|    |$line2");\r
 351                         mxOutText(xpos+1, ypos+SH-24, "|    |$line3");\r
 352                         mxOutText(xpos+1, ypos+SH-16, "|    |$line4");\r
 353                         mxOutText(xpos+1, ypos+SH-8,  "========================================");\r
 354                         mxFillBox(xpos+QUADWH, ypos+QUADWH+(TILEWH*12), TILEWH*2, TILEWH*2, 9, OP_SET); //portriat~\r
 355                         getch();\r
 356                         mxBitBlt(0, BS, SW, TILEWH*BUFFMX, xpos, ypos+(TILEWH*12)); //copy background\r
 357                         getch();\r
 358                 while(!kbhit()){\r
 359                         //for(int i=0;i<TILEWH;i++){\r
 360                                 \r
 361                                 ding(key);\r
 362                                 mxPan(xpos,ypos);\r
 363 mxFillBox(384, 304, 384, 304, 10, OP_SET);\r
 364 //mxBitBlt(xpos, ypos, SW, SH, 32, (SH+64+32));\r
 365 mxBitBlt(TILEWH*2, TILEWH*2, SW, SH, 32, (SH+64+32));\r
 366                                 //for(short o = 0; o<TILEWH; o++){\r
 367                                         xpos+=xdir;\r
 368                                         ypos+=ydir;\r
 369                                         //if(ypos==1 || (ypos==(BH-SH-1)))delay(500);\r
 370                                         //if((xpos>(VW-SW-1)) || (xpos<1))delay(500);\r
 371                                         //mxWaitRetrace();\r
 372 //mxBitBlt(32, (SH+32), SW, SH, xpos, ypos);\r
 373 mxBitBlt(TILEWH*2, (SH+64+32), SW, SH, TILEWH*2, TILEWH*2);\r
 374 //xpos=ypos=TILEWH*2;\r
 375 mxPan(32,32);\r
 376                                 //}\r
 377                                 if( (xpos>(VW-SW-1))  || (xpos<1)){xdir=-xdir;}\r
 378                                 if( (ypos>(BH-SH-1)) || (ypos<1)){ydir=-ydir;} // { Hit a boundry, change\r
 379                         //    direction! }\r
 380 //mxBitBlt(32, (SH+64+32), SW, SH, xpos, ypos);\r
 381 //mxBitBlt(TILEWH*2, (SH+64+32), SW, SH, TILEWH*2, TILEWH*2);\r
 382                         }\r
 383                         ch=getch();\r
 384                         if(ch==0x71)break; // 'q'\r
 385                         if(ch==0x1b)break; // 'ESC'\r
 386                 }\r
 387                 setvideo(0);\r
 388                 printf("wwww\nFull Buffer Virtual Resolution: %dx%d\n", VW,BH);\r
 389                 printf("Virtual Resolution: %dx%d\n", VW,VH);\r
 390                 printf("Resolution: %dx%d\n", SW,SH);\r
 391                 printf("Mode X Library Version: %d\n", mxGetVersion());\r
 392                 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
 393                 return 0;\r
 394                 }\r
 395 \r
 396 #endif\r