feat: implemented character customization from editor

src/player.cpp

@@ -10,8 +10,7 @@ namespace godot {
 void Player::_bind_methods() {
 #define CLASSNAME Player
 #ifndef NDEBUG
-    GDPROPERTY(selected, Variant::STRING);
-    GDPROPERTY(index, Variant::INT);
+    GDPROPERTY(active_customization, Variant::DICTIONARY);
 #endif
 }
 void Player::_enter_tree() {
@@ -21,8 +20,8 @@ void Player::_enter_tree() {
 }
 
 void Player::_exit_tree() {
-    for(std::pair<const String, std::pair<size_t, std::vector<Node3D*>>>& pair: this->customization) {
-        for(Node3D *option: pair.second.second) {
+    for(std::pair<const String, CustomizationState>& pair: this->customization) {
+        for(Node3D *option: pair.second.options) {
             if(!option->is_inside_tree()) {
                 option->queue_free();
             }
@@ -34,43 +33,85 @@ void Player::_process(double deltaTime) {}
 void Player::_physics_process(double deltaTime) {}
 
 void Player::customization_init() {
-    customizationParent = this->get_node<Skeleton3D>("Model/RootNode/Skeleton3D");
-    if(!customizationParent)
+    this->customizationParent = this->get_node<Skeleton3D>("Model/RootNode/Skeleton3D");
+    if(!this->customizationParent)
         return;
     for(int i = 0; i < customizationParent->get_child_count(); ++i) {
-        Node3D *child = Object::cast_to<Node3D>(customizationParent->get_child(i));
-        if(!child)
-            continue;
-        String name = child->get_name();
-        PackedStringArray slices = name.split("_", false);
-        if(customization.find(slices[1]) != customization.end()) {
-            auto &array = customization.at(slices[1]);
-            array.second.push_back(child);
-            customizationParent->remove_child(child);
+        // get the next valid child
+        Node3D *child = Object::cast_to<Node3D>(this->customizationParent->get_child(i));
+        if(!child) continue;
+        // split it's name into parts based on _
+        // the format for the names will be Chr_<CATEGORY NAME>_<NUMBER>
+        // number IS NOT guaranteed to start at 0 or 1
+        // the category name will serve as the key to the customization map
+        PackedStringArray slices = child->get_name().split("_", false);
+        // create a new customization state if one does not exist for this category
+        if(this->customization.find(slices[1]) == this->customization.end())
+            this->customization.insert({slices[1], {0, {}}});
+        // add the new child to the customization options for this category
+        CustomizationState &state = this->customization.at(slices[1]);
+        state.options.push_back(child);
+        // only allow this child to exist in the scene tree if it was saved as the current selection
+        if(state.currentSelected != state.options.size()-1) {
+            this->customizationParent->remove_child(child);
             --i;
-        } else {
-            customization.insert({slices[1], {0, {child}}});
         }
     }
-    UtilityFunctions::print("customization categories:");
-    for(std::pair<const String, std::pair<size_t, std::vector<Node3D *>>>& pair: this->customization) {
-        UtilityFunctions::print("- ", pair.first);
+    std::vector<String> empty{};
+    UtilityFunctions::print("categories:");
+    for(std::pair<String, CustomizationState> const& pair: this->customization) {
+        UtilityFunctions::print("- ", pair.first, " selected ", pair.second.currentSelected);
+        if(pair.second.options.size() == 0)
+            empty.push_back(pair.first);
+    }
+    for(String const& key: empty) {
+        this->customization.erase(key);
+        UtilityFunctions::print("removing invalid category: ", key);
     }
 }
 
 void Player::select_customization(String key, int index) {
-    std::pair<size_t, std::vector<Node3D *>> &pair = this->customization.at(key);
-    if(index > pair.second.size())
+    if(this->customization.find(key) == this->customization.end())
         return;
-    if(index == pair.first)
+    CustomizationState &pair = this->customization.at(key);
+    // invalid keys are stored as the size of the array
+    if(index < 0 || index > pair.options.size())
+        index = pair.options.size();
+    // nothing changes
+    if(index == pair.currentSelected)
         return;
-    customizationParent->remove_child(pair.second[pair.first]);
-    customizationParent->add_child(pair.second[index]);
-    pair.first = index;
+    // disable previous chosen option, if any
+    if(pair.currentSelected < pair.options.size())
+        customizationParent->remove_child(pair.options[pair.currentSelected]);
+    // enable chosen option, if any
+    if(index < pair.options.size())
+        customizationParent->add_child(pair.options[index]);
+    pair.currentSelected = index;
 }
 
-#ifndef NDEBUG
-void Player::set_selected(String value) { this->selected = value; }
-String Player::get_selected() const { return this->selected; }
-#endif
+Dictionary Player::get_active_customization() const {
+    Dictionary result{};
+    // translate the map to a dictionary of keys and indexes
+    for(std::pair<String, CustomizationState> const &pair: this->customization)
+        result[pair.first] = pair.second.currentSelected >= pair.second.options.size()
+            ? -1 // an invalid key will always be -1
+            : pair.second.currentSelected;
+    return result;
+}
+
+void Player::set_active_customization(Dictionary value) {
+    for(int64_t i = 0; i < value.size(); ++i) {
+        String key = value.keys()[i];
+        size_t selection = value[key];
+        bool exists = this->customization.find(key) != this->customization.end(); // wether or not the a given key exists in the customization map
+        // if not, it can be added, as long as the customization map has not yet been initialized by _enter_tree
+        if(!exists && !this->is_inside_tree())
+            this->customization.insert({key, {selection, {}}});
+        // if the key does not exist in customization and _enter_tree is already called, the key is not valid and discarted
+        else if(!exists)
+            return;
+        else
+            this->select_customization(key, selection);
+    }
+}
 }  // namespace godot

src/player.hpp

@@ -10,15 +10,16 @@ namespace godot {
 class Player : public CharacterBody3D {
     GDCLASS(Player, CharacterBody3D)
     static void _bind_methods();
+    struct CustomizationState {
+        size_t currentSelected;
+        std::vector<Node3D *> options;
+    };
 
 protected:
+    std::map<String, CustomizationState> customization{};
     Node3D* model{nullptr};
     AnimationTree* animTree{nullptr};
-    std::map<String, std::pair<size_t, std::vector<Node3D *>>> customization{};
     Skeleton3D *customizationParent{nullptr};
-#ifndef NDEBUG
-    String selected;
-#endif
 
 public:
     virtual void _enter_tree() override;
@@ -31,12 +32,8 @@ public:
 
     void select_customization(String key, int value);
 
-#ifndef NDEBUG
-    void set_selected(String value);
-    String get_selected() const;
-    void set_index(int value) { this->select_customization(this->selected, value); }
-int get_index() { return this->customization.find(this->selected) == this->customization.end() ? 0 : this->customization.at(this->selected).first; }
-#endif
+    Dictionary get_active_customization() const;
+    void set_active_customization(Dictionary value);
 };
 }  // namespace godot