feat: started on scene management and player controller

godot/Levels/Room001.tscn

@@ -0,0 +1,3 @@
+[gd_scene format=3 uid="uid://3qb27d8vkjku"]
+
+[node name="Level" type="Level"]

src/entrance.cpp

@@ -0,0 +1,27 @@
+#include "entrance.hpp"
+#include "level.hpp"
+
+namespace godot {
+void Entrance::_bind_methods() {}
+void Entrance::_enter_tree() {
+    this->seek_parent_level();
+    if(parentLevel != nullptr) {
+        parentLevel->add_entrance(this);
+    }
+}
+
+void Entrance::_exit_tree() {
+    if(parentLevel != nullptr)
+        parentLevel->remove_entrance(this);
+}
+
+Level *Entrance::seek_parent_level() {
+    Node *current = this;
+    do {
+        current = current->get_parent();
+        if(Level *level = Object::cast_to<Level>(current))
+            return level;
+    } while(current != nullptr);
+    return nullptr;
+}
+}

src/entrance.hpp

@@ -0,0 +1,22 @@
+#ifndef ENTRANCE_HPP
+#define ENTRANCE_HPP
+
+#include "godot_cpp/classes/node3d.hpp"
+
+namespace godot {
+class Level;
+
+class Entrance : public Node3D {
+    GDCLASS(Entrance, Node3D)
+    static void _bind_methods();
+protected:
+    Level *parentLevel;
+public:
+    virtual void _enter_tree() override;
+    virtual void _exit_tree() override;
+protected:
+    Level *seek_parent_level();
+};
+}
+
+#endif // !ENTRANCE_HPP

src/game_mode.hpp

@@ -0,0 +1,24 @@
+#ifndef GAME_STATE_HPP
+#define GAME_STATE_HPP
+
+#include "godot_cpp/classes/node.hpp"
+#include "godot_cpp/classes/packed_scene.hpp"
+
+namespace godot {
+class Level;
+class Player;
+
+class GameState : public Node {
+    GDCLASS(GameState, Node)
+    static void _bind_methods();
+protected:
+    Level *currentLevel{nullptr};
+    Ref<PackedScene> firstLevel{};
+
+    Player *playerInstance{nullptr};
+public:
+    void load_level(Ref<PackedScene> levelScene);
+};
+}
+
+#endif // !GAME_STATE_HPP

src/level.cpp

@@ -0,0 +1,30 @@
+#include "level.hpp"
+#include "entrance.hpp"
+#include "godot_cpp/variant/utility_functions.hpp"
+
+namespace godot {
+void Level::_bind_methods() {}
+
+Transform3D Level::get_entrance(String entranceName) {
+    if(entrances.has(entranceName)) {
+        Node3D *entrance = Object::cast_to<Node3D>(this->entrances[entranceName]);
+        return entrance->get_global_transform();
+    } else {
+        return this->get_global_transform();
+    }
+}
+
+void Level::add_entrance(Entrance *entrance) {
+    String key = entrance->get_name(); 
+    if(this->entrances.has(key))
+        UtilityFunctions::push_error("Attempt to register entrance ", key, " with duplicate key");
+    this->entrances[key] = entrance;
+}
+
+void Level::remove_entrance(Entrance *entrance) {
+    String key = entrance->get_name(); 
+    if(!this->entrances.has(key))
+        UtilityFunctions::push_error("Attempt to deregister entrance ", key, " without registering it");
+    this->entrances.erase(key);
+}
+}

src/level.hpp

@@ -0,0 +1,24 @@
+#ifndef LEVEL_HPP
+#define LEVEL_HPP
+
+#include "godot_cpp/classes/node3d.hpp"
+#include "godot_cpp/variant/dictionary.hpp"
+#include "godot_cpp/variant/string.hpp"
+#include "godot_cpp/variant/transform3d.hpp"
+
+namespace godot {
+class Entrance;
+
+class Level : public Node3D {
+    GDCLASS(Level, Node3D)
+    static void _bind_methods();
+protected:
+    Dictionary entrances{};
+public:
+    Transform3D get_entrance(String entranceName);
+    void add_entrance(Entrance *entrance);
+    void remove_entrance(Entrance *entrance);
+};
+}
+
+#endif // !LEVEL_HPP

src/player.cpp

@@ -0,0 +1,13 @@
+#include "player.hpp"
+#include "godot_cpp/classes/animation_tree.hpp"
+#include "godot_cpp/classes/node3d.hpp"
+
+namespace godot {
+void Player::_bind_methods() {}
+void Player::_enter_tree() {
+    this->model = this->get_node<Node3D>("Model");
+    this->animTree = this->get_node<AnimationTree>("Model/AnimationTree");
+}
+void Player::_process(double deltaTime) {}
+void Player::_physics_process(double deltaTime) {}
+}  // namespace godot

src/player.hpp

@@ -0,0 +1,23 @@
+#ifndef PLAYER_HPP
+#define PLAYER_HPP
+
+#include "godot_cpp/classes/animation_tree.hpp"
+#include "godot_cpp/classes/character_body3d.hpp"
+
+namespace godot {
+class Player : public CharacterBody3D {
+    GDCLASS(Player, CharacterBody3D)
+    static void _bind_methods();
+
+protected:
+    Node3D *model{nullptr};
+    AnimationTree *animTree{nullptr};
+
+public:
+    virtual void _enter_tree() override;
+    virtual void _process(double deltaTime) override;
+    virtual void _physics_process(double deltaTime) override;
+};
+}  // namespace godot
+
+#endif  // !PLAYER_HPP

src/register_types.cpp

@@ -4,23 +4,32 @@
 #include <godot_cpp/core/defs.hpp>
 #include <godot_cpp/godot.hpp>
 
+#include "player.hpp"
+#include "level.hpp"
+#include "entrance.hpp"
+
 using namespace godot;
 
-void initialize_gdextension_types(ModuleInitializationLevel p_level)
+void initialize_gdextension_types(ModuleInitializationLevel p_level) {
-{
     if (p_level != MODULE_INITIALIZATION_LEVEL_SCENE) {
         return;
     }
+    ClassDB::register_class<Player>();
+    ClassDB::register_class<Level>();
+    ClassDB::register_class<Entrance>();
 }
 
-extern "C"
+extern "C" {
-{
 // Initialization
-	GDExtensionBool GDE_EXPORT pvb_practice_init(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization)
+GDExtensionBool GDE_EXPORT
-	{
+pvb_practice_init(GDExtensionInterfaceGetProcAddress p_get_proc_address,
-		GDExtensionBinding::InitObject init_obj(p_get_proc_address, p_library, r_initialization);
+                  GDExtensionClassLibraryPtr p_library,
+                  GDExtensionInitialization* r_initialization) {
+    GDExtensionBinding::InitObject init_obj(p_get_proc_address, p_library,
+                                            r_initialization);
     init_obj.register_initializer(initialize_gdextension_types);
-		init_obj.set_minimum_library_initialization_level(MODULE_INITIALIZATION_LEVEL_SCENE);
+    init_obj.set_minimum_library_initialization_level(
+        MODULE_INITIALIZATION_LEVEL_SCENE);
 
     return init_obj.init();
 }