mirror of
https://github.com/thepigeongenerator/tetris_clone.git
synced 2025-12-17 14:05:45 +01:00
Quinn
aee02e3293
prefixed a `/` character for those I forgot. And gave `opts` the `cfg` extension, so windows can handle it more easliy
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#include "paths.h"
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#include <stdlib.h>
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#include <string.h>
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#include "../util/compat.h"
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char const* restrict path_dat = NULL;
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char const* restrict path_opts = NULL;
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char const* restrict path_font = NULL;
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char const* restrict path_music = NULL;
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char const* restrict path_place_sfx = NULL;
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// gets the game's data path, returns 0 on failure, otherwise the datapath's string length
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static unsigned getdatpath(void) {
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char const* home = getenv(unixonly("HOME") winonly("APPDATA")); // get the user data directory path (appropriated for each platform)
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if (!home) home = "."; // if this failed, set the path to `.`, which represents cwd
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unsigned len = strlen(home);
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len += 1 + 20 unixonly(+13); // add 21 bytes to the home length, to account for adding .local/share later
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char* datpath = malloc(len);
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if (!datpath) return 0;
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// copy the data from home into the datapath
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strcpy(datpath, home);
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#ifdef __unix__
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// include the .local/share directory, if the HOME environment variable was valid
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if (home[0] != '.') strcat(datpath, "/.local/share");
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else {
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// if the HOME directory wasn't defined, shrink the string
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len -= 13;
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void* ptr = realloc(datpath, len);
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if (ptr) datpath = ptr; // likely doesn't actually change the pointer, but just to be sure
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}
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#endif
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strcat(datpath, PATH_SEP_STR "quinns_tetris_clone");
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path_dat = datpath;
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return len;
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}
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static inline char const* init_path(char const* const restrict str, unsigned len) {
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void* ptr = malloc(len);
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if (!ptr) return NULL;
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strcpy(ptr, path_dat);
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strcat(ptr, str);
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return ptr;
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}
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int paths_init(void) {
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unsigned len = getdatpath();
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if (!len) return 1;
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// these are explicitly static, as string literals just work like that
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path_opts = init_path("/opts.cfg", len + 9); // TODO: shouldn't opts be stored at .config/?
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path_font = init_path("/pixeldroid_botic-regular.ttf", len + 29); // TODO: these three paths should not be stored like opts
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path_music = init_path("/korobeiniki.wav", len + 16);
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path_place_sfx = init_path("place.wav", len + 10);
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return -(!path_opts || !path_font || !path_music || !path_place_sfx);
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}
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void paths_free(void) {
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free((void*)path_dat), path_dat = NULL;
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free((void*)path_opts), path_opts = NULL;
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free((void*)path_music), path_music = NULL;
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free((void*)path_place_sfx), path_place_sfx = NULL;
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}
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