funcdef void ReciverFunc(any@ value);
funcdef void TransferFunc(any@ from, any@ data);


enum key
{
    None = 0,
    A, B, C, D, E, F, G, H, I, J, K, L, M,
    N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
    K0, K1, K2, K3, K4, K5, K6, K7, K8, K9,
    Tab,	Enter,	Escape,	Backspace,	Space,	Delete,	Insert,	Home,	End,	PageUp,	PageDown,
    Right,	Up,	Down,	Left,
    RightCtrl,	LeftShift,	RightShift,
	LeftAlt,	RightAlt,	LeftSuper,
	RightSuper,	LeftCtrl,
    MouseLeft,MouseRight,MouseMiddle
};

//This file was generated automatically
enum ResourceType {
	Mesh = 1,
	Shader = 2
}
class string {
	~string();
	string();
	string(const string&in);
	string& opAssign(const string&in);
	string& opAddAssign(const string&in);
	bool opEquals(const string&in) const;
	int opCmp(const string&in) const;
	string opAdd(const string&in) const;
	uint length() const;
	void resize(uint);
	bool isEmpty() const;
	uint8& opIndex(uint);
	const uint8& opIndex(uint) const;
	string& opAssign(double);
	string& opAddAssign(double);
	string opAdd(double) const;
	string opAdd_r(double) const;
	string& opAssign(float);
	string& opAddAssign(float);
	string opAdd(float) const;
	string opAdd_r(float) const;
	string& opAssign(int64);
	string& opAddAssign(int64);
	string opAdd(int64) const;
	string opAdd_r(int64) const;
	string& opAssign(uint64);
	string& opAddAssign(uint64);
	string opAdd(uint64) const;
	string opAdd_r(uint64) const;
	string& opAssign(bool);
	string& opAddAssign(bool);
	string opAdd(bool) const;
	string opAdd_r(bool) const;
	string substr(uint start = 0, int count = - 1) const;
	int findFirst(const string&in, uint start = 0) const;
	int findFirstOf(const string&in, uint start = 0) const;
	int findFirstNotOf(const string&in, uint start = 0) const;
	int findLast(const string&in, int start = - 1) const;
	int findLastOf(const string&in, int start = - 1) const;
	int findLastNotOf(const string&in, int start = - 1) const;
	void insert(uint pos, const string&in other);
	void erase(uint pos, int count = - 1);
}
class ref {
	~ref();
	ref();
	ref(const ref&in);
	ref(const ?&in);
	void opCast(?&out);
	ref& opHndlAssign(const ref&in);
	ref& opHndlAssign(const ?&in);
	bool opEquals(const ref&in) const;
	bool opEquals(const ?&in) const;
}
class any {
	any& opAssign(any&in);
	any();
	any(?&in);
	void store(?&in);
	void store(const int64&in);
	void store(const double&in);
	bool retrieve(?&out);
	bool retrieve(int64&out);
	bool retrieve(double&out);
}
class Entity {
    // Gets the entity's name
    string get_name() const property;
    // Sets the entity's name
    void set_name(string&in) property;
    
    // Gets the unique entity ID
    int get_id() const property;
    
    // Creates a new child entity with the given name
    Entity createChild(const string&in);
    
    // Returns true if this entity is the root entity
    bool get_isRoot() const property;
    
    // Destroys this entity
    void destroy();
    
    // Returns true if the entity currently exists
    bool get_exists() const property;
    
    // Gets the parent entity
    Entity get_parent() property;
    // Sets the parent entity
    void set_parent(Entity) property;
    
    // Checks if this entity is a descendant of the given entity
    bool isDescendantOf(Entity);
    
    // Compares this entity with another entity for equality
    bool opEquals(const Entity&in) const;
    
    // Gets the collection of child entities
    EntityChilds get_childs() const property;
    
    // Gets the transform component of the entity
    TransformComponent get_transform() const property;
    
    // Mesh component methods
    MeshComponent getMeshComponent();
    MeshComponent createMeshComponent();
    bool hasMeshComponent();
    void removeMeshComponent();
    
    // Shader component methods
    ShaderComponent getShaderComponent();
    ShaderComponent createShaderComponent();
    bool hasShaderComponent();
    void removeShaderComponent();
    
    // Camera component methods
    CameraComponent getCameraComponent();
    CameraComponent createCameraComponent();
    bool hasCameraComponent();
    void removeCameraComponent();
}

class EntityChilds {
    // Gets the number of child entities
    int get_count() const property;
    
    // Access child entity by index
    Entity opIndex(int) const;
}

class TransformComponent {
    // Gets/sets position vector
    vec3 get_position() const property;
    void set_position(const vec3) property;
    
    // Gets/sets scale vector
    vec3 get_scale() const property;
    void set_scale(const vec3) property;
    
    // Gets/sets rotation vector (Euler angles)
    vec3 get_rotation() const property;
    void set_rotation(const vec3) property;

}

class MeshComponent {
    // Is mesh component active?
    bool get_isActive() const property;
    void set_isActive(const bool) property;
    
    // Does this component have a mesh assigned?
    bool get_hasMesh() const property;
    
    // Clears the mesh data
    void clear();
    
    // Gets/sets mesh identifier
    string getMesh();
    void setMesh(string&in);
}

class ShaderComponent {
    // Does this component have a shader assigned?
    bool get_hasShader() const property;
    
    // Clears the shader data
    void clear();
    
    // Gets/sets shader identifier
    string getShader();
    void setShader(const string&in);
}

class CameraComponent {
    // Gets/sets field of view
    float get_fov() const property;
    void set_fov(float) property;
    
    // Gets/sets aspect ratio
    float get_aspectRatio() const property;
    void set_aspectRatio(float) property;
    
    // Gets/sets near clipping plane distance
    float get_nearZ() const property;
    void set_nearZ(float) property;
    
    // Gets/sets far clipping plane distance
    float get_farZ() const property;
    void set_farZ(float) property;
}

class vec3 {
    // Default constructor (zero vector)
    vec3();
    // Constructor with components (y,z default to 0)
    vec3(float, float = 0, float = 0);
    
    // Vector addition
    vec3 opAdd(const vec3&in);
    // Vector subtraction
    vec3 opSub(const vec3&in) const;
    // Negation
    vec3 opNeg() const;
    // Multiply by scalar
    vec3 opMul(float) const;
    vec3 opMul_r(float) const;
    
    float x;
    float y;
    float z;
}

class quat {
    ~quat();
    quat();
    quat(const quat&in);
    quat(float, float, float, float);
    
    // Quaternion multiplication
    quat opMul(const quat&in) const;
    
    // Gets/sets Euler angles representation of the quaternion
    vec3 getEuler() const;
    void setEuler(vec3);
    
    float x;
    float y;
    float z;
    float w;
}

class Transform {
    Transform();
    
    vec3 position;
    vec3 scale;
    quat rotation;

	// Returns a vec3 relative to the transform
	vec3 relative(vec3);
}

class Camera {
    ~Camera();
    
    float fov;
    float aspect;
    float nearZ;
    float farZ;
}

class SceneCamera {
    ~SceneCamera();
    
    Camera camera;
    Transform transform;
}

class FrameBuffer {
    // Clears the framebuffer with RGBA color
    void clearRGBA(int, int, int, int);
    // Gets the height of the framebuffer
    int get_height() const property;
    // Resizes the framebuffer
    void resize(int, int);
    // Gets the framebuffer's name
    string get_name() const property;
	bool isValid();
}

class Environment {
    // Renders the scene with the given camera and framebuffer target
    void render(FrameBuffer, SceneCamera);
    // Gets the root entity of the environment
    Entity getRootEntity();
    // Gets an entity by its ID
    Entity getEntity(int);
    // Gets the environment's name
    string get_name() const property;
}

class DockPanel {
    // Called to render the dock panel UI
    void onRender();
	void onInit();
	void onMenuBar();
}


// Format a signed 64-bit integer to string with optional formatting and width
string formatInt(int64 val, const string& in options = "", uint width = 0);
// Format an unsigned 64-bit integer to string with optional formatting and width
string formatUInt(uint64 val, const string& in options = "", uint width = 0);
// Format a double-precision float to string with options, width, and precision
string formatFloat(double val, const string& in options = "", uint width = 0, uint precision = 0);

// Parse a signed 64-bit integer from string with base, returning byte count parsed
int64 parseInt(const string& in str, uint base = 10, uint& out byteCount = 0);
// Parse an unsigned 64-bit integer from string with base, returning byte count parsed
uint64 parseUInt(const string& in str, uint base = 10, uint& out byteCount = 0);
// Parse a double-precision float from string, returning byte count parsed
double parseFloat(const string& in str, uint& out byteCount = 0);

namespace Engine {
	// Print a message to the engine's console or log
	void print(const string& in message);
	// Retrieve the root entity of the scene or hierarchy
	Entity getRoot();
	// Create an RGBA8 framebuffer with a name and size
	FrameBuffer createRGBA8FrameBuffer(const string& in name, int width, int height);
	// Retrieve an existing framebuffer by name
	FrameBuffer getFrameBuffer(const string& in name);

	// Get the main environment instance
	Environment getMainEnvironment();
	// Create a new environment with the given name
	Environment createEnvironment(const string& in name);
	// Retrieve an environment by name
	Environment getEnvironment(const string& in name);
}


namespace Resource {
	// Get the number of resources of a given type and category
	int getResourceCount(ResourceType type, const string& in category);
	// Get the name of a resource by type, category, and resource ID
	string getResourceNameById(ResourceType type, const string& in category, int id);
	// Get the file path of a resource by type, category, and resource ID
	string getResourcePathById(ResourceType type, const string& in category, int id);

	// Get the number of directories of a given resource type and category
	int getDirCount(ResourceType type, const string& in category);
	// Get the path of a directory by resource type, category, and directory ID
	string getDirPathById(ResourceType type, const string& in category, int id);
	// Get the name of a directory by resource type, category, and directory ID
	string getDirNameById(ResourceType type, const string& in category, int id);
}


namespace UI {
	// Columns

	// Setup automatic columns with given count
	void setupAutomaticColumns(int count);
	// Setup fixed columns count
	void setupColumns(int count);
	// End columns layout
	void endColumns();
	// Move to next column
	void nextColumn();

	// Tree nodes

	// Draw leaf node with label and open state
	void treeNodeLeaf(const string& in label, bool open);
	// Draw tree node with label, open state, data, and callback
	bool treeNode(const string& in label, bool open, any@ data, ReciverFunc@ cb);
	// Draw component node with label, data, and callback
	bool componentNode(const string& in label, any@ data, ReciverFunc@ cb);
	// Draw component node with context menu support
	bool componentNode_contextMenu(const string& in label, any@ data, ReciverFunc@ cb, ReciverFunc@ ctxMenu);

	// Popups & Context menus

	// Show a context menu popup with callback
	void contextMenuPopup(const string& in label, any@ data, ReciverFunc@ cb);
	// Popup attached to an item with label, data, and callback
	void contextItemPopup(const string& in label, any@ data, ReciverFunc@ cb);
	// Show a modal popup blocking interaction until closed
	void modalPopup(const string& in label, ReciverFunc@ cb);
	// Show a simple popup window with callback
	void simplePopup(const string& in label, ReciverFunc@ cb);
	// Open a popup with label and associated data
	void openPopup(const string& in label, any@ data);
	// Close the currently opened popup
	void closePopup();

	// Drag & Drop

	// Start a drag-drop source with type, data, and payload string
	void dragDropSource(const string& in type, any@ data, const string& in payload);
	// Define a drag-drop target with type, data, and transfer callback
	void dragDropTarget(const string& in type, any@ data, TransferFunc@ transfer);

	// Buttons & Controls

	// Create a clickable button with label
	bool button(const string& in label);
	// Create a centered button
	bool buttonCenter(const string& in label);
	// Create a button aligned to the end of the line
	bool buttonEnd(const string& in label);
	// Checkbox toggle with label and current value
	bool checkbox(const string& in label, bool val);
	// Disabled checkbox with label and current value
	bool checkboxDisabled(const string& in label, bool val);

	// Drawing

	// Draw a framebuffer with given width and height
	void drawFrameBuffer(FrameBuffer fb, int w, int h);
	// Draw a framebuffer centered with given dimensions
	void drawFrameBufferCentered(FrameBuffer fb, int w, int h);
	// Draw an icon with name and size
	void drawIcon(const string& in icon, int size);
	// Draw a centered icon with name and size
	void drawIconCentered(const string& in icon, int size);

	// Input & Interaction

	// Text input field with label, initial value, and output string
	bool inputText(const string& in label, const string& in initial, string& out result);
	// Check if an item was clicked with specific mouse button
	bool isItemClicked(int button);
	// Check if mouse was double-clicked with specific button
	bool isMouseDoubleClicked(int button);

	// Sliders

	// Slider for a float value with step increment
	float magicSlider(const string& in label, float val, float step);
	// Slider for a vec3 value with step increment
	vec3 magicSlider3(const string& in label, vec3 val, float step);

	// Menu Items

	// Selectable menu item with label
	bool menuItem(const string& in label);
	// Disabled (non-selectable) menu item with label
	void menuItemDisabled(const string& in label);
	// Menu space with label, data, and callback
	void menuSpace(const string& in label, any@ data, ReciverFunc@ cb);

	// Layout

	// Place next UI element on the same line
	void sameline();
	// Draw a horizontal separator line
	void separator();
	// Add vertical space
	void space();
	// Add multiple vertical spaces with optional spacing
	void space(int count, int spacing=10);

	// Text

	// Draw normal text
	void text(const string& in txt);
	// Draw centered text
	void textCenter(const string& in txt);
	// Draw colored text with RGB and string
	void textColor(float r, float g, float b, const string& in txt);
	// Draw text aligned to end
	void textEnd(const string& in txt);

	// Titles

	// Draw a title text
	void title(const string& in txt);
	// Draw a centered title
	void titleCenter(const string& in txt);
	// Draw a vertically offset centered title
	void titleCenterY(const string& in txt, int yOffset);
	// Draw a title aligned to the end
	void titleEnd(const string& in txt);

	bool isPannelActive();

	bool isKeyDown(key);
	bool isKeyPressed(key);

	bool isMouseDraggin(key);
	float getMouseDragDeltaX();
	float getMouseDragDeltaY();
	float getMouseDeltaX();
	float getMouseDeltaY();
	int getAvailableSizeX();
	int getAvailableSizeY();
	void disablePannelPadding(bool);

	int sliderInt(string&in, int value, int min, int max);
	float slider(string&in, float value, float min, float max);
}