diff options
author | Danny Holman <dholman@gymli.org> | 2024-10-14 21:04:19 -0500 |
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committer | Danny Holman <dholman@gymli.org> | 2024-10-14 21:04:19 -0500 |
commit | 7ec4bf7c73869fbf641dd642d8e413afc2e0a829 (patch) | |
tree | cfca2b4f9c1abdf4de1b741cb7ae850b9c2f3310 /core/mod.c | |
parent | f9a9720d3d34cf213a5393cdfdac989bed913e1a (diff) |
core: mod: create a mod interface
Create a skeleton mod interface so that the engine can load shared
libraries or DLLs as in-game mods. The API should be compiler agnostic
as much as possible.
Signed-off-by: Danny Holman <dholman@gymli.org>
Diffstat (limited to 'core/mod.c')
-rw-r--r-- | core/mod.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/core/mod.c b/core/mod.c new file mode 100644 index 0000000..4a4eac8 --- /dev/null +++ b/core/mod.c @@ -0,0 +1,69 @@ +#include <rune/core/mod.h> +#include <rune/core/logging.h> +#include <rune/core/alloc.h> +#include <stdio.h> +#include <string.h> +#include <dirent.h> +#include <dlfcn.h> + +struct list_head *mods = NULL; + +void _load_mod(const char *filename) { + char mod_path[4096]; + sprintf(mod_path, "mods/%s", filename); + void *handle = dlopen(mod_path, RTLD_LAZY); + if (handle == NULL) + log_output(LOG_ERROR, "Error loading mod %s: %s", filename, dlerror()); +} + +void rune_load_mods(void) { + DIR *dir = opendir("mods"); + if (dir == NULL) { + log_output(LOG_INFO, "No mods folder found, skipping mod loading"); + return; + } + + struct dirent *mods_de; + while ((mods_de = readdir(dir)) != NULL) { + if (strstr(mods_de->d_name, ".so")) + _load_mod(mods_de->d_name); + } +} + +void rune_init_mods(void) { + struct list_head *temp = mods; + struct mod *mod; + while (temp != NULL) { + mod = (struct mod*)((void*)temp - offsetof(struct mod, list)); + (*mod->init_func)(); + temp = temp->next; + } +} + +void rune_close_mods(void) { + if (mods == NULL) + return; + + struct list_head *temp = mods; + struct mod *mod; + while (temp != NULL) { + mod = (struct mod*)((void*)temp - offsetof(struct mod, list)); + (*mod->exit_func)(); + temp = temp->next; + rune_free(mod); + } +} + +void rune_register_mod(const char *name, mod_func init_func, mod_func exit_func, mod_func update_func) { + struct mod *new = rune_alloc(sizeof(struct mod)); + new->name = name; + new->init_func = init_func; + new->exit_func = exit_func; + new->update_func = update_func; + new->list.next = NULL; + new->list.prev = NULL; + if (mods == NULL) + mods = &new->list; + else + list_add(&new->list, mods); +} |