feat: game state is now loaded from user://savegame.res

game_mode.cpp

@@ -2,7 +2,7 @@
 #include <godot_cpp/classes/global_constants.hpp>
 #include <godot_cpp/classes/packed_scene.hpp>
 #include <godot_cpp/classes/scene_state.hpp>
-#include "utils/godot_macros.hpp"
+#include "godot_macros.hpp"
 
 namespace utils {
 void GameMode::_bind_methods() {

game_root.cpp

@@ -6,12 +6,13 @@
 #include "player_input.hpp"
 #include "player.hpp"
 #include "spawn_point.hpp"
-#include "utils/game_state.hpp"
+#include "game_state.hpp"
 #include <cstdint>
 #include <godot_cpp/classes/global_constants.hpp>
 #include <godot_cpp/classes/input.hpp>
 #include <godot_cpp/classes/packed_scene.hpp>
 #include <godot_cpp/classes/scene_state.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
 #include <godot_cpp/core/class_db.hpp>
 #include <godot_cpp/templates/pair.hpp>
 #include <godot_cpp/variant/string_name.hpp>
@@ -36,19 +37,21 @@ bool GameRoot3D::has_singleton() {
     return GameRoot3D::singleton_instance != nullptr;
 }
 
-void GameRoot3D::_enter_tree() { GDGAMEONLY();
+void GameRoot3D::_enter_tree() {
     // TODO: Replace this with detecting input devices
     this->player_input_connected();
     this->grab_singleton();
+    this->rng = godot::Ref<godot::RandomNumberGenerator>(memnew(godot::RandomNumberGenerator));
 }
 
-void GameRoot3D::_ready() { GDGAMEONLY();
+void GameRoot3D::_ready() {
+    this->game_state = gd::ResourceLoader::get_singleton()->load("user://savegame.res");
+    if(!this->game_state.is_valid())
+        this->game_state = this->game_state_prototype->duplicate(true);
     this->load_level(this->first_boot_level);
-    // TODO: try load save data from file.
-    this->game_state = this->game_state_prototype->duplicate(true);
 }
 
-void GameRoot3D::_exit_tree() { GDGAMEONLY();
+void GameRoot3D::_exit_tree() {
     this->release_singleton();
 }
 
@@ -119,7 +122,7 @@ Level3D *GameRoot3D::load_level_at(gd::Ref<gd::PackedScene> level, gd::Transform
     // store and add to tree at desired transform
     // if this is the first level containing a game mode currently active use it's gamemode as a prototype
     gd::Ref<gd::PackedScene> game_mode_prototype{instance->get_game_mode_prototype()};
-    bool const switch_game_mode{!this->game_mode || this->game_mode->get_scene_file_path() != game_mode_prototype->get_path()};
+    bool const switch_game_mode{!this->game_mode || !game_mode_prototype.is_valid() || this->game_mode->get_scene_file_path() != game_mode_prototype->get_path()};
     if(switch_game_mode) {
         this->set_game_mode(instance->get_game_mode_prototype());
     }
@@ -138,7 +141,7 @@ void GameRoot3D::unload_all_levels() {
     gd::HashMap<gd::StringName, Level3D*> levels = this->get_levels();
     for(gd::KeyValue<gd::StringName, Level3D*> &kvp : levels)
         kvp.value->call_deferred("queue_free");
-    this->get_levels().clear();
+    this->levels.clear();
     this->reset_game_mode();
 }
 
@@ -180,8 +183,10 @@ void GameRoot3D::set_game_mode(gd::Ref<gd::PackedScene> prototype) {
     this->remove_all_players();
     if(this->game_mode != nullptr)
         this->game_mode->queue_free();
-    if(prototype.is_null() || !prototype.is_valid())
+    if(prototype.is_null() || !prototype.is_valid()) {
+        this->game_mode = nullptr;
         return; // allow "unsetting" the gamemode by passing an invalid gamemode
+    }
     // Detect passing of valid scene that is an invalid game mode
     if(!gd::ClassDB::is_parent_class(prototype->get_state()->get_node_type(0), "GameMode")) {
         gd::UtilityFunctions::push_error("Attempted to load non-gamemode scene as gamemode");

game_root.hpp

@@ -10,7 +10,6 @@
 #include <godot_cpp/templates/hash_map.hpp>
 #include <godot_cpp/templates/hash_set.hpp>
 #include <godot_cpp/templates/pair.hpp>
-#include <godot_cpp/templates/pair.hpp>
 #include <godot_cpp/templates/vector.hpp>
 
 namespace gd = godot;

godot_macros.hpp

@@ -77,19 +77,6 @@
 #define GDNODETYPE(Class_) godot::vformat("%s/%s:%s", godot::Variant::OBJECT, godot::PROPERTY_HINT_NODE_TYPE, Class_)
 #define GDENUMTYPE(EnumString_) godot::vformat("%s/%s:%s", godot::Variant::INT, godot::PROPERTY_HINT_ENUM, EnumString_)
 
-/*! \def GDEDITORONLY()
- * \brief Execute the rest of the function only if currently running as editor.
- *
- * Useful for _ready, _enter/_exit, _process, etc. functions.
- */
-#define GDEDITORONLY() if(!godot::Engine::get_singleton()->is_editor_hint()) return;
-/*! \def GDGAMEONLY()
- * \brief Execute the rest of the function only if currently running as game.
- *
- * Useful for _ready, _enter/_exit, _process, etc. functions.
- */
-#define GDGAMEONLY() if(godot::Engine::get_singleton()->is_editor_hint()) return;
-
 /*! \def GDENUM(Name_, ...)
  * \brief Declare a scoped enum struct.
  *

level.cpp

@@ -1,6 +1,6 @@
 #include "level.hpp"
+#include "godot_macros.hpp"
 #include <godot_cpp/core/class_db.hpp>
-#include "utils/godot_macros.hpp"
 #include <godot_cpp/classes/scene_state.hpp>
 
 namespace utils {

player_input.cpp

@@ -74,21 +74,21 @@ gd::Vector2 PlayerInput::get_last_mouse_motion() {
     return PlayerInput::lastMouseMotion;
 }
 
-void PlayerInput::_enter_tree() { GDGAMEONLY();
+void PlayerInput::_enter_tree() {
     if(!PlayerInput::primaryExists) {
         this->isPrimary = true;
         PlayerInput::primaryExists = true;
     }
 }
 
-void PlayerInput::_exit_tree() { GDGAMEONLY();
+void PlayerInput::_exit_tree() {
     if(this->isPrimary) {
         this->isPrimary = false;
         PlayerInput::primaryExists = false;
     }
 }
 
-void PlayerInput::_unhandled_input(gd::Ref<gd::InputEvent> const &event) { GDGAMEONLY();
+void PlayerInput::_unhandled_input(gd::Ref<gd::InputEvent> const &event) {
     if(this->isPrimary && event->is_class("InputEventMouseMotion"))
         PlayerInput::lastMouseMotion = gd::Object::cast_to<gd::InputEventMouseMotion>(*event)->get_relative();
     for(Listener& listener: this->listeners) {

register_types.cpp

@@ -9,11 +9,11 @@
 
 namespace utils {
 void godot_cpp_utils_register_types() {
-    GDREGISTER_CLASS(utils::GameMode);
+    GDREGISTER_RUNTIME_CLASS(utils::GameMode);
-    GDREGISTER_CLASS(utils::GameRoot3D);
+    GDREGISTER_RUNTIME_CLASS(utils::GameRoot3D);
     GDREGISTER_CLASS(utils::GameState);
-    GDREGISTER_CLASS(utils::Level3D);
+    GDREGISTER_RUNTIME_CLASS(utils::Level3D);
-    GDREGISTER_CLASS(utils::PlayerInput);
+    GDREGISTER_RUNTIME_CLASS(utils::PlayerInput);
-    GDREGISTER_CLASS(utils::SpawnPoint3D);
+    GDREGISTER_RUNTIME_CLASS(utils::SpawnPoint3D);
 }
 }

spawn_point.cpp

@@ -1,5 +1,5 @@
 #include "spawn_point.hpp"
-#include "utils/game_root.hpp"
+#include "game_root.hpp"
 
 namespace utils {
 void SpawnPoint3D::_bind_methods() {