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