147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
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#include <getopt.h>
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#include <sys/stat.h>
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#include "sys.h"
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#include "util.h"
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struct options_t g_options;
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static const char *DEFAULT_DATA_PATH = ".";
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static const int DEFAULT_SCALE_FACTOR = 2;
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static const char *DEFAULT_SCALE_FILTER = 0; // nearest pixel sampling
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static const char *USAGE =
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"Usage: %s [OPTIONS]...\n"
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" --datapath=PATH Path to data files (default '.')\n"
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" --level=NUM Start at level NUM\n"
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" --cheats=MASK Cheats mask\n"
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" --startpos=XxY Start at position (X,Y)\n"
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" --fullscreen Enable fullscreen\n"
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" --scale=N Graphics scaling factor (default 2)\n"
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" --filter=NAME Graphics scaling filter (default 'nearest')\n"
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" --screensize=WxH Graphics screen size (default 320x200)\n"
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" --cga Enable CGA colors\n"
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;
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static struct game_t *detect_game(const char *data_path) {
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#if 0
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extern struct game_t bb_game;
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extern struct game_t ja_game;
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extern struct game_t p2_game;
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static struct game_t *games[] = {
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&bb_game,
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&ja_game,
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&p2_game,
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0
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};
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for (int i = 0; games[i]; ++i) {
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if (games[i]->detect(data_path)) {
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return games[i];
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}
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}
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return 0;
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#else
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extern struct game_t game;
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return &game;
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#endif
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}
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int main(int argc, char *argv[]) {
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g_options.start_xpos16 = -1;
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g_options.start_ypos16 = -1;
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g_options.screen_w = 320;
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g_options.screen_h = 200;
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g_options.amiga_copper_bars = true;
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g_options.amiga_colors = true;
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// g_options.amiga_status_bar = true;
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g_options.dos_scrolling = false;
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g_options.cga_colors = false;
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const char *data_path = DEFAULT_DATA_PATH;
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int scale_factor = DEFAULT_SCALE_FACTOR;
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const char *scale_filter = DEFAULT_SCALE_FILTER;
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bool fullscreen = false;
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if (argc == 2) {
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struct stat st;
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if (stat(argv[1], &st) == 0 && S_ISDIR(st.st_mode)) {
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data_path = strdup(argv[1]);
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}
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}
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while (1) {
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static struct option options[] = {
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{ "datapath", required_argument, 0, 1 },
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{ "level", required_argument, 0, 2 },
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{ "debug", required_argument, 0, 3 },
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{ "cheats", required_argument, 0, 4 },
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{ "startpos", required_argument, 0, 5 },
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{ "fullscreen", no_argument, 0, 6 },
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{ "scale", required_argument, 0, 7 },
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{ "filter", required_argument, 0, 8 },
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{ "screensize", required_argument, 0, 9 },
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{ "cga", no_argument, 0, 10 },
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{ 0, 0, 0, 0 },
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};
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int index;
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const int c = getopt_long(argc, argv, "", options, &index);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 1:
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data_path = strdup(optarg);
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break;
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case 2:
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g_options.start_level = atoi(optarg);
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break;
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case 3:
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g_debug_mask = atoi(optarg);
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break;
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case 4:
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g_options.cheats = atoi(optarg);
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break;
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case 5:
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sscanf(optarg, "%dx%d", &g_options.start_xpos16, &g_options.start_ypos16);
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break;
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case 6:
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fullscreen = true;
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break;
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case 7:
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scale_factor = atoi(optarg);
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break;
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case 8:
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scale_filter = strdup(optarg);
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break;
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case 9:
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if (sscanf(optarg, "%dx%d", &g_options.screen_w, &g_options.screen_h) == 2) {
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// align to tile 16x16
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g_options.screen_w = (g_options.screen_w + 15) & ~15;
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g_options.screen_h = ((g_options.screen_h + 15) & ~15) + 40; // PANEL_H
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}
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break;
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case 10:
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g_options.cga_colors = true;
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break;
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default:
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fprintf(stdout, USAGE, argv[0]);
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return -1;
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}
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}
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struct game_t *game = detect_game(data_path);
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if (!game) {
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fprintf(stdout, "No data files found\n");
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} else {
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g_sys.init();
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g_sys.set_screen_size(GAME_SCREEN_W, GAME_SCREEN_H, game->name, scale_factor, scale_filter, fullscreen);
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game->run(data_path);
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g_sys.fini();
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}
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if (data_path != DEFAULT_DATA_PATH) {
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free((char *)data_path);
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}
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if (scale_filter != DEFAULT_SCALE_FILTER) {
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free((char *)scale_filter);
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}
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return 0;
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}
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