blues/main.c

123 lines
3.1 KiB
C

#include <getopt.h>
#include <sys/stat.h>
#include "fileio.h"
#include "game.h"
#include "resource.h"
#include "sys.h"
#include "util.h"
struct options_t g_options;
static const char *DEFAULT_DATA_PATH = ".";
static const int DEFAULT_SCALE_FACTOR = 2;
static const char *DEFAULT_SCALE_FILTER = 0; // nearest pixel sampling
static const char *USAGE =
"Usage: %s [OPTIONS]...\n"
" --datapath=PATH Path to data files (default '.')\n"
" --level=NUM Start at level NUM\n"
" --debug=MASK Debug mask\n"
" --startpos=XxY Start at position (X,Y)\n"
" --fullscreen Enable fullscreen\n"
" --scale Graphics scaling factor (default 2)\n"
" --filter Graphics scaling filter\n"
" --screensize=WxH Graphics screen size (default 320x200)\n"
;
int main(int argc, char *argv[]) {
g_options.start_xpos16 = -1;
g_options.start_ypos16 = -1;
g_options.screen_w = 320;
g_options.screen_h = 200;
g_options.amiga_copper_bars = true;
g_options.amiga_colors = true;
// g_options.amiga_status_bar = true;
g_options.dos_scrolling = false;
const char *data_path = DEFAULT_DATA_PATH;
int scale_factor = DEFAULT_SCALE_FACTOR;
const char *scale_filter = DEFAULT_SCALE_FILTER;
bool fullscreen = false;
if (argc == 2) {
struct stat st;
if (stat(argv[1], &st) == 0 && S_ISDIR(st.st_mode)) {
data_path = strdup(argv[1]);
}
}
while (1) {
static struct option options[] = {
{ "datapath", required_argument, 0, 1 },
{ "level", required_argument, 0, 2 },
{ "debug", required_argument, 0, 3 },
{ "cheats", required_argument, 0, 4 },
{ "startpos", required_argument, 0, 5 },
{ "fullscreen", no_argument, 0, 6 },
{ "scale", required_argument, 0, 7 },
{ "filter", required_argument, 0, 8 },
{ "screensize", required_argument, 0, 9 },
{ 0, 0, 0, 0 },
};
int index;
const int c = getopt_long(argc, argv, "", options, &index);
if (c == -1) {
break;
}
switch (c) {
case 1:
data_path = strdup(optarg);
break;
case 2:
g_options.start_level = atoi(optarg);
break;
case 3:
g_debug_mask = atoi(optarg);
break;
case 4:
g_options.cheats = atoi(optarg);
break;
case 5:
sscanf(optarg, "%dx%d", &g_options.start_xpos16, &g_options.start_ypos16);
break;
case 6:
fullscreen = true;
break;
case 7:
scale_factor = atoi(optarg);
break;
case 8:
scale_filter = strdup(optarg);
break;
case 9:
if (sscanf(optarg, "%dx%d", &g_options.screen_w, &g_options.screen_h) == 2) {
// align to tile 16x16
g_options.screen_w = (g_options.screen_w + 15) & ~15;
g_options.screen_h = ((g_options.screen_h + 15) & ~15) + 40;
}
break;
default:
fprintf(stdout, USAGE, argv[0]);
return -1;
}
}
fio_init(data_path);
res_init(GAME_SCREEN_W * GAME_SCREEN_H);
g_sys.init();
g_sys.set_screen_size(GAME_SCREEN_W, GAME_SCREEN_H, "Blues Brothers", scale_factor, scale_filter, fullscreen);
sound_init();
game_main();
sound_fini();
g_sys.fini();
res_fini();
fio_fini();
if (data_path != DEFAULT_DATA_PATH) {
free((char *)data_path);
}
if (scale_filter != DEFAULT_SCALE_FILTER) {
free((char *)scale_filter);
}
return 0;
}