Add mod_storage_exists

autogen/lua_definitions/functions.lua

@@ -5389,6 +5389,12 @@ function mod_storage_clear()
     -- ...
 end
 
+--- @param key string
+--- @return boolean
+function mod_storage_exists(key)
+    -- ...
+end
+
 --- @param key string
 --- @return string
 function mod_storage_load(key)

docs/lua/functions-4.md

@@ -1124,6 +1124,26 @@
 
 <br />
 
+## [mod_storage_exists](#mod_storage_exists)
+
+### Lua Example
+`local booleanValue = mod_storage_exists(key)`
+
+### Parameters
+| Field | Type |
+| ----- | ---- |
+| key | `string` |
+
+### Returns
+- `boolean`
+
+### C Prototype
+`bool mod_storage_exists(const char* key);`
+
+[:arrow_up_small:](#)
+
+<br />
+
 ## [mod_storage_load](#mod_storage_load)
 
 ### Lua Example

docs/lua/functions.md

@@ -1199,6 +1199,7 @@
 
 - mod_storage.h
    - [mod_storage_clear](functions-4.md#mod_storage_clear)
+   - [mod_storage_exists](functions-4.md#mod_storage_exists)
    - [mod_storage_load](functions-4.md#mod_storage_load)
    - [mod_storage_load_bool](functions-4.md#mod_storage_load_bool)
    - [mod_storage_load_number](functions-4.md#mod_storage_load_number)

src/pc/lua/smlua_functions_autogen.c

@@ -20756,6 +20756,23 @@ int smlua_func_mod_storage_clear(UNUSED lua_State* L) {
     return 1;
 }
 
+int smlua_func_mod_storage_exists(lua_State* L) {
+    if (L == NULL) { return 0; }
+
+    int top = lua_gettop(L);
+    if (top != 1) {
+        LOG_LUA_LINE("Improper param count for '%s': Expected %u, Received %u", "mod_storage_exists", 1, top);
+        return 0;
+    }
+
+    const char* key = smlua_to_string(L, 1);
+    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "mod_storage_exists"); return 0; }
+
+    lua_pushboolean(L, mod_storage_exists(key));
+
+    return 1;
+}
+
 int smlua_func_mod_storage_load(lua_State* L) {
     if (L == NULL) { return 0; }
 
@@ -34556,6 +34573,7 @@ void smlua_bind_functions_autogen(void) {
 
     // mod_storage.h
     smlua_bind_function(L, "mod_storage_clear", smlua_func_mod_storage_clear);
+    smlua_bind_function(L, "mod_storage_exists", smlua_func_mod_storage_exists);
     smlua_bind_function(L, "mod_storage_load", smlua_func_mod_storage_load);
     smlua_bind_function(L, "mod_storage_load_bool", smlua_func_mod_storage_load_bool);
     smlua_bind_function(L, "mod_storage_load_number", smlua_func_mod_storage_load_number);

src/pc/mods/mod_storage.cpp

@@ -145,6 +145,22 @@ C_FIELD bool mod_storage_load_bool(const char* key) {
     return !strcmp(value, "true");
 }
 
+C_FIELD bool mod_storage_exists(const char* key) {
+    if (gLuaActiveMod == NULL) { return false; }
+    if (strlen(key) > MAX_KEY_VALUE_LENGTH) { return false; }
+    if (!char_valid((char *)key)) { return false; }
+
+    char filename[SYS_MAX_PATH] = { 0 };
+    mod_storage_get_filename(filename);
+    if (!fs_sys_path_exists(filename)) { return false; }
+
+    mINI::INIFile file(filename);
+    mINI::INIStructure ini;
+    file.read(ini);
+
+    return ini["storage"].has(key);
+}
+
 C_FIELD bool mod_storage_remove(const char* key) {
     if (gLuaActiveMod == NULL) { return false; }
     if (strlen(key) > MAX_KEY_VALUE_LENGTH) { return false; }

src/pc/mods/mod_storage.h

@@ -20,6 +20,7 @@ const char *mod_storage_load(const char* key);
 f32 mod_storage_load_number(const char* key);
 bool mod_storage_load_bool(const char* key);
 
+bool mod_storage_exists(const char* key);
 bool mod_storage_remove(const char* key);
 bool mod_storage_clear(void);