src/0.c

   1 /* Project 16 Source Code~\r
   2  * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
   3  *\r
   4  * This file is part of Project 16.\r
   5  *\r
   6  * Project 16 is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * Project 16 is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
  18  * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
  19  * Fifth Floor, Boston, MA 02110-1301 USA.\r
  20  *\r
  21  */\r
  22 \r
  23 #include <hw/cpu/cpu.h>\r
  24 #include <hw/dos/dos.h>\r
  25 #include <hw/vga/vga.h>\r
  26 #include <hw/vga/vrl.h>\r
  27 \r
  28 #include "src/tesuto.h"\r
  29 \r
  30 //#define FILENAME_1 "data/aconita.vrl"\r
  31 //#define FILENAME_2 "data/aconita.pal"\r
  32 #define FILENAME_1 "data/spri/chikyuu.vrl"\r
  33 #define FILENAME_2 "data/spri/chikyuu.pal"\r
  34 \r
  35 #define INITTNUM 1\r
  36 \r
  37 map_view_t mv[4];\r
  38 map_t map;//junk var\r
  39 \r
  40 int main(int argc,char **argv)\r
  41 {\r
  42         static global_game_variables_t gvar;\r
  43         struct vrl1_vgax_header *vrl_header;\r
  44         vrl1_vgax_offset_t *vrl_lineoffs;\r
  45         unsigned char *buffer;\r
  46         unsigned int bufsz;\r
  47         int fd;\r
  48         //nibble i;\r
  49         char *bakapee1,*bakapee2;\r
  50 \r
  51         boolean anim=1,noanim=0,zerostoppause=1;\r
  52 \r
  53         bakapee1=malloc(64);\r
  54         bakapee2=malloc(64);\r
  55 \r
  56         if (argc < 2) {\r
  57                 //fprintf(stderr,"drawvrl <VRL file> <palette file>\n palette file optional\n");\r
  58                 bakapee1 = FILENAME_1;//"data/aconita.vrl";\r
  59                 bakapee2 = FILENAME_2;//"data/aconita.pal";\r
  60 \r
  61         }else{\r
  62                 if(argv[1]) bakapee1 = argv[1];\r
  63                 if(argv[2]) bakapee2 = argv[2];\r
  64         }\r
  65 \r
  66         fd = open(bakapee1,O_RDONLY|O_BINARY);\r
  67         if (fd < 0) {\r
  68                 fprintf(stderr,"Unable to open '%s'\n", bakapee1);\r
  69                 return 1;\r
  70         }\r
  71         {\r
  72                 unsigned long sz = lseek(fd,0,SEEK_END);\r
  73                 if (sz < sizeof(*vrl_header)) return 1;\r
  74                 if (sz >= 65535UL) return 1;\r
  75 \r
  76                 bufsz = (unsigned int)sz;\r
  77                 buffer = malloc(bufsz);\r
  78                 if (buffer == NULL) return 1;\r
  79 \r
  80                 lseek(fd,0,SEEK_SET);\r
  81                 if ((unsigned int)read(fd,buffer,bufsz) < bufsz) return 1;\r
  82 \r
  83                 vrl_header = (struct vrl1_vgax_header*)buffer;\r
  84                 if (memcmp(vrl_header->vrl_sig,"VRL1",4) || memcmp(vrl_header->fmt_sig,"VGAX",4)) return 1;\r
  85                 if (vrl_header->width == 0 || vrl_header->height == 0) return 1;\r
  86         }\r
  87         close(fd);\r
  88 \r
  89         probe_dos();\r
  90         if (!probe_vga()) {\r
  91                 printf("VGA probe failed\n");\r
  92                 return 1;\r
  93         }\r
  94         VGAmodeX(1, 1, &gvar);\r
  95         modexPalUpdate0(gvar.video.palette);\r
  96 \r
  97         /* load color palette */\r
  98         VL_LoadPalFile(bakapee2, &gvar.video.palette);\r
  99 \r
 100         /* preprocess the sprite to generate line offsets */\r
 101         vrl_lineoffs = vrl1_vgax_genlineoffsets(vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
 102         if (vrl_lineoffs == NULL) return 1;\r
 103 \r
 104         IN_Startup();\r
 105         IN_Default(0,&gvar.player[0],ctrl_Keyboard1);\r
 106         EN_initPlayer(&gvar.player[0], &gvar.video);\r
 107 \r
 108         /* setup camera and screen~ */\r
 109         modexHiganbanaPageSetup(&gvar.video);\r
 110         ZC_MVSetup(&gvar.mv, &map, &gvar);\r
 111         ZC_ShowMV(&gvar.mv, gvar.video.sp, 0);\r
 112 \r
 113 //      VL_PatternDraw(video_t *video, word pn, boolean sw, boolean allsw);\r
 114         VL_PatternDraw(&gvar.video, 0/*gvar.video.sp*/, 0, 1);\r
 115         TESTBG34\r
 116         DRAWCORNERBOXES\r
 117 \r
 118         /* make distinctive pattern offscreen, render sprite, copy onscreen.\r
 119          * this time, we render the distinctive pattern to another offscreen location and just copy.\r
 120          * note this version is much faster too! */\r
 121         {\r
 122                 unsigned int i,o,o2;\r
 123                 int x,y,rx,ry,w,h;\r
 124                 unsigned int overdraw = 1;      // how many pixels to "overdraw" so that moving sprites with edge pixels don't leave streaks.\r
 125                                                 // if the sprite's edge pixels are clear anyway, you can set this to 0.\r
 126                 VGA_RAM_PTR omemptr;\r
 127                 int xdir=1,ydir=1;\r
 128 \r
 129 //              VL_PatternDraw(video_t *video, word pn, boolean sw, boolean allsw);\r
 130 //              VL_PatternDraw(&gvar.video, 0, 1, 1);\r
 131 //              TESTBG;\r
 132 //              DRAWCORNERBOXES;\r
 133 \r
 134                 /* starting coords. note: this technique is limited to x coordinates of multiple of 4 */\r
 135                 x = -(gvar.video.page[0].dx);\r
 136                 y = -(gvar.video.page[0].dy);\r
 137 \r
 138                 /* do it */\r
 139                 omemptr = vga_state.vga_graphics_ram; // save original mem ptr\r
 140 \r
 141                 while(!IN_KeyDown(sc_Escape))\r
 142                 {\r
 143                         IN_ReadControl(&gvar.player[0]);\r
 144                         if(IN_KeyDown(68)){ gvar.kurokku.fpscap=!gvar.kurokku.fpscap; IN_UserInput(1); } //f10\r
 145                         TAIL_PANKEYFUN;\r
 146                         if(IN_KeyDown(sc_Space) || zerostoppause)       //space\r
 147                         {\r
 148                                 anim=!anim;\r
 149                                 DRAWCORNERBOXES;\r
 150                                 if(!zerostoppause) IN_UserInput(1); else zerostoppause=0;\r
 151                         }\r
 152                         if(IN_KeyDown(sc_R)){\r
 153                                 gvar.video.page[0].dx=gvar.video.page[0].dy=gvar.video.page[1].dx=gvar.video.page[1].dy=16;\r
 154                                 gvar.mv[0].tx = gvar.mv[0].ty = gvar.mv[1].tx = gvar.mv[1].ty = INITTNUM;\r
 155                                 VL_ShowPage(&gvar.video.page[gvar.video.sp], 1, 0);\r
 156                                 gvar.player[0].enti.q = 1; gvar.player[0].enti.d = 2;\r
 157                                 x=y=0;\r
 158                                 xdir=ydir=1;\r
 159                         } //R\r
 160                         TAIL_FUNCTIONKEYFUNCTIONS0EXE;\r
 161 \r
 162                         if(anim && !noanim)\r
 163                         {\r
 164                                 /* render box bounds. y does not need modification, but x and width must be multiple of 4 */\r
 165                                 if (x >= overdraw) rx = (x - overdraw) & (~3);\r
 166                                 else rx = -(gvar.video.page[0].dx);\r
 167                                 if (y >= overdraw) ry = (y - overdraw);\r
 168                                 else ry = -(gvar.video.page[0].dy);\r
 169                                 h = vrl_header->height + overdraw + y - ry;\r
 170                                 w = (x + vrl_header->width + (overdraw*2) + 3/*round up*/ - rx) & (~3);\r
 171                                 if ((rx+w) > gvar.video.page[0].width) w = gvar.video.page[0].width-rx;\r
 172                                 if ((ry+h) > gvar.video.page[0].height) h = gvar.video.page[0].height-ry;\r
 173 \r
 174                                 /* block copy pattern to where we will draw the sprite */\r
 175                                 vga_setup_wm1_block_copy();\r
 176                                 o2 = gvar.video.page[0].pagesize+gvar.video.page[1].pagesize;\r
 177                                 o = ((uint16_t)gvar.video.page[2].data) + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen            0x10000UL -\r
 178                                 for (i=0;i < h;i++,o += gvar.video.page[0].stridew,o2 += (w >> 2)) vga_wm1_mem_block_copy(o2,o,w >> 2);\r
 179                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 180                                 vga_restore_rm0wm0();\r
 181 \r
 182                                 /* replace VGA stride with our own and mem ptr. then sprite rendering at this stage is just (0,0) */\r
 183                                 vga_state.vga_draw_stride_limit = (gvar.video.page[0].width + 3/*round up*/ - x) >> 2;\r
 184                                 vga_state.vga_draw_stride = w >> 2;\r
 185                                 vga_state.vga_graphics_ram = omemptr + gvar.video.page[0].pagesize + gvar.video.page[1].pagesize;\r
 186 \r
 187                                 /* then the sprite. note modding ram ptr means we just draw to (x&3,0) */\r
 188 draw_vrl1_vgax_modex(x-rx,y-ry,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));\r
 189 //printf("x=%d  y=%d    rx=%d   ry=%d\n", x, y, rx, ry);\r
 190 \r
 191                                 /* restore ptr */\r
 192                                 vga_state.vga_graphics_ram = omemptr;\r
 193 \r
 194                                 /* block copy to visible RAM from offscreen */\r
 195                                 vga_setup_wm1_block_copy();\r
 196                                 o = gvar.video.page[0].pagesize+gvar.video.page[1].pagesize; // source offscreen\r
 197                                 o2 = (ry * gvar.video.page[0].stridew) + (rx >> 2); // dest visible (original stride)\r
 198                                 for (i=0;i < h;i++,o += vga_state.vga_draw_stride,o2 += gvar.video.page[0].stridew) vga_wm1_mem_block_copy(o2,o,w >> 2);\r
 199                                 /* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */\r
 200                                 vga_restore_rm0wm0();\r
 201 \r
 202                                 /* restore stride */\r
 203                                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 204 \r
 205                                 /* step */\r
 206                                 x += xdir; y += ydir;\r
 207                                 if ((x + vrl_header->width) >= ((gvar.video.page[0].width + gvar.video.page[0].dx) - 1) || x == -(gvar.video.page[0].dx))\r
 208                                         xdir = -xdir;\r
 209                                 if ((y + vrl_header->height) >= ((gvar.video.page[0].height + gvar.video.page[0].dy) - 1) || y == -(gvar.video.page[0].dy))\r
 210                                         ydir = -ydir;\r
 211                                 //printf("[x%u y%u]     [rx%u ry%u]             [w%u h%u]\n", x, y, rx, ry, w, h);\r
 212                         }\r
 213                 }\r
 214         }\r
 215 \r
 216         IN_UserInput(1);\r
 217 \r
 218 //===========================================================================//\r
 219 \r
 220         ZC_ShowMV(&gvar.mv, 0, 0);\r
 221 if(!noanim) {\r
 222         /* another handy "demo" effect using VGA write mode 1.\r
 223          * we can take what's on screen and vertically squash it like an old analog TV set turning off. */\r
 224         {\r
 225                 unsigned int blank_line_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height * 2);\r
 226                 unsigned int copy_ofs = (gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 227                 unsigned int display_ofs = 0x0000;\r
 228                 unsigned int i,y,soh,doh,dstart;\r
 229                 unsigned int dh_blankfill = 8;\r
 230                 unsigned int dh_step = 8;\r
 231                 uint32_t sh,dh,yf,ystep;\r
 232 \r
 233                 /* copy active display (0) to offscreen buffer (0x4000) */\r
 234                 vga_state.vga_draw_stride_limit = vga_state.vga_draw_stride = gvar.video.page[0].stridew;\r
 235                 vga_setup_wm1_block_copy();\r
 236                 vga_wm1_mem_block_copy(copy_ofs,display_ofs,gvar.video.page[0].stridew * gvar.video.page[0].height);\r
 237                 vga_restore_rm0wm0();\r
 238 \r
 239                 /* need a blank line as well */\r
 240                 for (i=0;i < gvar.video.page[0].stridew;i++) vga_state.vga_graphics_ram[i+blank_line_ofs] = 0;\r
 241 \r
 242                 sh = dh = gvar.video.page[0].height;\r
 243                 while (dh >= dh_step) {\r
 244                         /* stop animating if the user hits ENTER */\r
 245                         if (kbhit()) {\r
 246                                 if (getch() == 13) break;\r
 247                         }\r
 248 \r
 249                         /* wait for vsync end */\r
 250                         if(gvar.kurokku.fpscap)\r
 251                         vga_wait_for_vsync_end();\r
 252 \r
 253                         /* what scalefactor to use for stretching? */\r
 254                         ystep = (0x10000UL * sh) / dh;\r
 255                         dstart = (gvar.video.page[0].height - dh) / 2; // center the squash effect on screen, otherwise it would squash to top of screen\r
 256                         doh = display_ofs;\r
 257                         soh = copy_ofs;\r
 258                         yf = 0;\r
 259                         y = 0;\r
 260 \r
 261                         /* for performance, keep VGA in write mode 1 the entire render */\r
 262                         vga_setup_wm1_block_copy();\r
 263 \r
 264                         /* blank lines */\r
 265                         if (dstart >= dh_blankfill) y = dstart - dh_blankfill;\r
 266                         else y = 0;\r
 267                         doh = gvar.video.page[0].stridew * y;\r
 268 \r
 269                         while (y < dstart) {\r
 270                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 271                                 doh += gvar.video.page[0].stridew;\r
 272                                 y++;\r
 273                         }\r
 274 \r
 275                         /* draw */\r
 276                         while (y < (dh+dstart)) {\r
 277                                 soh = copy_ofs + ((yf >> 16UL) * gvar.video.page[0].stridew);\r
 278                                 vga_wm1_mem_block_copy(doh,soh,gvar.video.page[0].stridew);\r
 279                                 doh += gvar.video.page[0].stridew;\r
 280                                 yf += ystep;\r
 281                                 y++;\r
 282                         }\r
 283 \r
 284                         /* blank lines */\r
 285                         while (y < gvar.video.page[0].height && y < (dh+dstart+dh_blankfill)) {\r
 286                                 vga_wm1_mem_block_copy(doh,blank_line_ofs,gvar.video.page[0].stridew);\r
 287                                 doh += gvar.video.page[0].stridew;\r
 288                                 y++;\r
 289                         }\r
 290 \r
 291                         /* done */\r
 292                         vga_restore_rm0wm0();\r
 293 \r
 294                         /* wait for vsync */\r
 295                         if(gvar.kurokku.fpscap)\r
 296                         vga_wait_for_vsync();\r
 297 \r
 298                         /* make it shrink */\r
 299                         dh -= dh_step;\r
 300                         if (dh < 40) dh_step = 1;\r
 301                 }\r
 302         }\r
 303 }\r
 304         IN_Shutdown();\r
 305         VGAmodeX(0, 1, &gvar);\r
 306         free(vrl_lineoffs);\r
 307         buffer = NULL;\r
 308         free(buffer);\r
 309         bufsz = 0;\r
 310         free(bakapee1);\r
 311         free(bakapee2);\r
 312         printf("\nProject 16 0.exe. This is just a test file!\n");\r
 313         printf("version %s\n", VERSION);\r
 314         //SCROLLEXITMESG;\r
 315         printf("mv 0\n- tx=%d   ty=%d   dx=%d   dy=%d\n", gvar.mv[0].tx, gvar.mv[0].ty, gvar.video.page[0].dx, gvar.video.page[0].dy);\r
 316         printf("mv 1\n- tx=%d   ty=%d   dx=%d   dy=%d\n", gvar.mv[1].tx, gvar.mv[1].ty, gvar.video.page[1].dx, gvar.video.page[1].dy);\r
 317         return 0;\r
 318 }\r