Add mod API export to let a mod get its own version (#100)

Author: Mr-Wiseguy

librecomp/include/librecomp/mods.hpp

@@ -343,6 +343,8 @@ namespace recomp {
             size_t get_mod_order_index(const std::string& mod_id) const;
             std::optional<ModDetails> get_details_for_mod(const std::string& mod_id) const;
             std::vector<ModDetails> get_all_mod_details(const std::string& mod_game_id);
+            recomp::Version get_mod_version(size_t mod_index);
+            std::string get_mod_id(size_t mod_index);
             void set_mod_index(const std::string &mod_game_id, const std::string &mod_id, size_t index);
             const ConfigSchema &get_mod_config_schema(const std::string &mod_id) const;
             const std::vector<char> &get_mod_thumbnail(const std::string &mod_id) const;
@@ -586,6 +588,8 @@ namespace recomp {
         std::filesystem::path get_mods_directory();
         std::optional<ModDetails> get_details_for_mod(const std::string& mod_id);
         std::vector<ModDetails> get_all_mod_details(const std::string& mod_game_id);
+        recomp::Version get_mod_version(size_t mod_index);
+        std::string get_mod_id(size_t mod_index);
         void enable_mod(const std::string& mod_id, bool enabled);
         bool is_mod_enabled(const std::string& mod_id);
         bool is_mod_auto_enabled(const std::string& mod_id);

librecomp/src/mod_config_api.cpp

@@ -51,6 +51,18 @@ void recomp_get_config_string(uint8_t* rdram, recomp_context* ctx, size_t mod_in
     }
 }
 
+void recomp_get_mod_version(uint8_t* rdram, recomp_context* ctx, size_t mod_index) {
+    uint32_t* major_out = _arg<0, uint32_t*>(rdram, ctx);
+    uint32_t* minor_out = _arg<1, uint32_t*>(rdram, ctx);
+    uint32_t* patch_out = _arg<2, uint32_t*>(rdram, ctx);
+
+    recomp::Version version = recomp::mods::get_mod_version(mod_index);
+
+    *major_out = version.major;
+    *minor_out = version.minor;
+    *patch_out = version.patch;
+}
+
 void recomp_free_config_string(uint8_t* rdram, recomp_context* ctx) {
     gpr str_rdram = (gpr)_arg<0, PTR(char)>(rdram, ctx);
     gpr offset = str_rdram - 0xFFFFFFFF80000000ULL;
@@ -62,5 +74,6 @@ void recomp::mods::register_config_exports() {
     recomp::overlays::register_ext_base_export("recomp_get_config_u32", recomp_get_config_u32);
     recomp::overlays::register_ext_base_export("recomp_get_config_double", recomp_get_config_double);
     recomp::overlays::register_ext_base_export("recomp_get_config_string", recomp_get_config_string);
+    recomp::overlays::register_ext_base_export("recomp_get_mod_version", recomp_get_mod_version);
     recomp::overlays::register_base_export("recomp_free_config_string", recomp_free_config_string);
 }

librecomp/src/mods.cpp

@@ -1151,6 +1151,14 @@ std::vector<recomp::mods::ModDetails> recomp::mods::ModContext::get_all_mod_deta
     return ret;
 }
 
+recomp::Version recomp::mods::ModContext::get_mod_version(size_t mod_index) {
+    return opened_mods[mod_index].manifest.version;
+}
+
+std::string recomp::mods::ModContext::get_mod_id(size_t mod_index) {
+    return opened_mods[mod_index].manifest.mod_id;
+}
+
 struct RegeneratedSection {
     uint32_t rom_addr;
     uint32_t ram_addr;

librecomp/src/recomp.cpp

@@ -583,6 +583,16 @@ std::vector<recomp::mods::ModDetails> recomp::mods::get_all_mod_details(const st
     return mod_context->get_all_mod_details(mod_game_id);
 }
 
+recomp::Version recomp::mods::get_mod_version(size_t mod_index) {
+    std::lock_guard lock { mod_context_mutex };
+    return mod_context->get_mod_version(mod_index);
+}
+
+std::string recomp::mods::get_mod_id(size_t mod_index) {
+    std::lock_guard lock { mod_context_mutex };
+    return mod_context->get_mod_id(mod_index);
+}
+
 void recomp::mods::set_mod_index(const std::string &mod_game_id, const std::string &mod_id, size_t index) {
     std::lock_guard lock{ mod_context_mutex };
     return mod_context->set_mod_index(mod_game_id, mod_id, index);