mmshow/src/main.c

   1 /* coded by Ketmar // Vampire Avalon (psyc://ketmar.no-ip.org/~Ketmar)
   2  * Understanding is not required. Only obedience.
   3  *
   4  * This program is free software. It comes without any warranty, to
   5  * the extent permitted by applicable law. You can redistribute it
   6  * and/or modify it under the terms of the Do What The Fuck You Want
   7  * To Public License, Version 2, as published by Sam Hocevar. See
   8  * http://sam.zoy.org/wtfpl/COPYING for more details. */
   9 #include <ctype.h>
  10 #include <fcntl.h>
  11 #include <stdint.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <time.h>
  15 #include <unistd.h>
  16 #include <sys/stat.h>
  17 #include <sys/types.h>
  18
  19 #include <SDL/SDL.h>
  20
  21 #include "libvideo/video.h"
  22
  23
  24 #define XTILES  14
  25 #define YTILES  8
  26
  27 static unsigned char map[32*64];
  28 static unsigned char tiles[6*16*4];
  29
  30
  31 static const unsigned char ttypes[16] = {
  32   0x33,  // 0x00
  33   0x01,  // 0x01
  34   0x11,  // 0x02
  35   0x12,  // 0x03
  36   0x30,  // 0x04
  37   0x23,  // 0x05
  38   0x02,  // 0x06
  39   0x03,  // 0x07
  40   0x32,  // 0x08
  41   0x22,  // 0x09
  42   0x00,  // 0x0A
  43   0x21,  // 0x0B
  44   0x10,  // 0x0C
  45   0x13,  // 0x0D
  46   0x31,  // 0x0E
  47   0x20,  // 0x0F
  48 };
  49
  50
  51 static void putTile (int trow, int tnum, int px, int py) {
  52   int x, y, d, a;
  53   //
  54   a = trow*(6*16)+tnum*2;
  55   for (y = 0; y < 16; ++y) {
  56     for (x = 0; x < 2; ++x) {
  57       unsigned char b = tnum<3 ? tiles[a+x] : 0;
  58       for (d = 7; d >= 0; --d, b >>= 1) putPixel(px+x*8+d, py+y, b&0x01?7:0);
  59     }
  60     a += 6;
  61   }
  62 }
  63
  64
  65 static void put2XTiles (unsigned char mapb, int px, int py) {
  66   int trow = (mapb>>4)&0x03;
  67   int tnum = ttypes[mapb&0x0f];
  68   putTile(trow, (tnum>>4)&0x03, px, py);
  69   putTile(trow, tnum&0x03, px+16, py);
  70 }
  71
  72
  73 static void drawMap (int mx, int my) {
  74   int dx, dy;
  75   char buf[16];
  76   //
  77   for (dy = 0; dy < YTILES; ++dy) {
  78     int ox = mx;
  79     for (dx = 0; dx < XTILES/2; ++dx) {
  80       put2XTiles(map[my*32+mx], dx*32, dy*16);
  81       sprintf(buf, "%02X", map[my*32+mx]);
  82       drawOutlineText(dx*32+2, dy*16+2, buf, 15, 0);
  83       mx = (mx+1)%32;
  84     }
  85     mx = ox; my = (my+1)%64;
  86   }
  87 }
  88
  89
  90 int main (int argc, char *argv[]) {
  91   static int mapX = 0;
  92   static int mapY = 0;
  93   //
  94   static SDL_Event event;
  95   static FILE *fl;
  96   //static char fname[128];
  97   //static char buf[1024];
  98   //int ctrlDown, ta;
  99
 100   if ((fl = fopen("../gfx/tiles/blk_ded8_blobs.bin", "rb")) == NULL) { fprintf(stderr, "tiles?\n"); return 1; }
 101   fread(tiles, sizeof(tiles), 1, fl);
 102   fclose(fl);
 103
 104   if ((fl = fopen("../maps/map00.bin", "rb")) == NULL) { fprintf(stderr, "map?\n"); return 1; }
 105   fread(map, sizeof(map), 1, fl);
 106   fclose(fl);
 107
 108   videoInit();
 109   if (setVMode(2, 0)) { videoDeinit(); return 1; }
 110   setCaption("enJine level renderer");
 111   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 112
 113 /*
 114   drawOutlineText(10, 10, "test!", 15, 3);
 115   drawEllipse(8, 8, 8+6*5+4, 8+8+4, 10);
 116   drawCircle(45, 70, 42, 5);
 117   drawIconById(ICON_ID_PENTA, 80, 90);
 118   drawFilledEllipse(8+40, 8+40, 8+6*5+4+40, 8+8+4+40, 11);
 119   drawFilledCircle(120, 150, 42, 5);
 120   drawLine(50, 50, 100, 60, 7);
 121   putPixel(49, 49, 3);
 122   putPixel(101, 61, 3);
 123
 124   drawCursor(8, 8, 0);
 125   drawCursor(28, 28, 1);
 126 */
 127
 128 repaint:
 129   drawBar(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0);
 130   drawMap(mapX, mapY);
 131   repaintScreen();
 132
 133   for (;;) {
 134     while (SDL_WaitEvent(&event)) {
 135       switch (event.type) {
 136         case SDL_QUIT: goto quit;
 137         case SDL_VIDEOEXPOSE: repaintScreen(); break;
 138         case SDL_KEYDOWN:
 139           //ctrlDown = event.key.keysym.mod&KMOD_CTRL;
 140           switch (event.key.keysym.sym) {
 141             case SDLK_ESCAPE: case SDLK_q: goto quit;
 142             case SDLK_LEFT: if (mapX > 0) --mapX; goto repaint;
 143             case SDLK_RIGHT: if (mapX < 31) ++mapX; goto repaint;
 144             case SDLK_UP: if (mapY > 0) --mapY; goto repaint;
 145             case SDLK_DOWN: if (mapY < 63) ++mapY; goto repaint;
 146             default: ;
 147           }
 148           break;
 149         default: ;
 150       }
 151     }
 152   }
 153
 154 quit:
 155   videoDeinit();
 156   return 0;
 157 }