diff options
| -rw-r--r-- | CMakeLists.txt | 2 | ||||
| -rw-r--r-- | core/mod.c | 69 | ||||
| -rw-r--r-- | include/rune/core/mod.h | 65 |
3 files changed, 136 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 1c9ce1d..dda668d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -14,7 +14,9 @@ list(APPEND SOURCE_FILES core/callbacks.c core/init.c core/logging.c + core/mod.c core/network.c + core/thread.c ) list(APPEND SOURCE_FILES 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); +} diff --git a/include/rune/core/mod.h b/include/rune/core/mod.h new file mode 100644 index 0000000..8c63d5f --- /dev/null +++ b/include/rune/core/mod.h @@ -0,0 +1,65 @@ +/* + * Rune Game Engine + * Copyright 2024 Danny Holman <dholman@gymli.org> + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + */ + +#ifndef RUNE_CORE_MOD_H +#define RUNE_CORE_MOD_H + +#include <rune/util/types.h> +#include <rune/util/list.h> + +#ifdef _WIN32 + +#include <windows.h> + +#define REGISTER_MOD(name, init_func, exit_func, update_func) \ + void register_##name() { \ + rune_register_mod(#name, init_func, exit_func, update_func); \ + } \ + BOOL WINAPI DllMain(HINSTANCE hndl, DWORD fdw, LPVOID lpv) { \ + if (fdw == DLL_PROCESS_ATTACH) \ + register_##name(); \ + } + +#else + +#define REGISTER_MOD(name, init_func, exit_func, update_func) \ + __attribute__((constructor)) void register_##name() { \ + rune_register_mod(#name, init_func, exit_func, update_func); \ + } + +#endif + +typedef void (*mod_func)(void); + +struct mod { + const char *name; + mod_func init_func; + mod_func exit_func; + mod_func update_func; + struct list_head list; +}; + +RAPI void rune_load_mods(void); +RAPI void rune_init_mods(void); +RAPI void rune_close_mods(void); +RAPI void rune_register_mod(const char *name, mod_func init_func, mod_func exit_func, mod_func update_func); + +#endif |