godot/scene/2d/tile_map.h

/**************************************************************************/
/*  tile_map.h                                                            */
/**************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#ifndef TILE_MAP_H
#define TILE_MAP_H

#include "scene/2d/node_2d.h"
#include "scene/resources/tile_set.h"

class Control;
class TileMapLayer;
class TerrainConstraint;

enum TileMapDataFormat {
	FORMAT_1 = 0,
	FORMAT_2,
	FORMAT_3,
	FORMAT_MAX,
};

class TileMap : public Node2D {
	GDCLASS(TileMap, Node2D);

public:
	enum VisibilityMode {
		VISIBILITY_MODE_DEFAULT,
		VISIBILITY_MODE_FORCE_SHOW,
		VISIBILITY_MODE_FORCE_HIDE,
	};

private:
	friend class TileSetPlugin;

	// A compatibility enum to specify how is the data if formatted.
	mutable TileMapDataFormat format = TileMapDataFormat::FORMAT_3;

	static constexpr float FP_ADJUST = 0.00001;

	// Properties.
	Ref<TileSet> tile_set;
	int rendering_quadrant_size = 16;
	bool collision_animatable = false;
	VisibilityMode collision_visibility_mode = VISIBILITY_MODE_DEFAULT;
	VisibilityMode navigation_visibility_mode = VISIBILITY_MODE_DEFAULT;

	// Layers.
	LocalVector<Ref<TileMapLayer>> layers;
	Ref<TileMapLayer> default_layer; // Dummy layer to fetch default values.
	int selected_layer = -1;
	bool pending_update = false;

	Transform2D last_valid_transform;
	Transform2D new_transform;

	void _tile_set_changed();

	void _update_notify_local_transform();

protected:
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	bool _property_can_revert(const StringName &p_name) const;
	bool _property_get_revert(const StringName &p_name, Variant &r_property) const;

	void _notification(int p_what);
	static void _bind_methods();

#ifndef DISABLE_DEPRECATED
	Rect2i _get_used_rect_bind_compat_78328();
	void _set_quadrant_size_compat_81070(int p_quadrant_size);
	int _get_quadrant_size_compat_81070() const;

	static void _bind_compatibility_methods();
#endif

public:
	static Vector2i transform_coords_layout(const Vector2i &p_coords, TileSet::TileOffsetAxis p_offset_axis, TileSet::TileLayout p_from_layout, TileSet::TileLayout p_to_layout);

#ifdef TOOLS_ENABLED
	virtual Rect2 _edit_get_rect() const override;
#endif

#ifndef DISABLE_DEPRECATED
	void force_update(int p_layer);
#endif

	// Called by TileMapLayers.
	void queue_internal_update();
	void _internal_update();

	void set_tileset(const Ref<TileSet> &p_tileset);
	Ref<TileSet> get_tileset() const;

	void set_rendering_quadrant_size(int p_size);
	int get_rendering_quadrant_size() const;

	static void draw_tile(RID p_canvas_item, const Vector2 &p_position, const Ref<TileSet> p_tile_set, int p_atlas_source_id, const Vector2i &p_atlas_coords, int p_alternative_tile, int p_frame = -1, Color p_modulation = Color(1.0, 1.0, 1.0, 1.0), const TileData *p_tile_data_override = nullptr, real_t p_animation_offset = 0.0);

	// Layers management.
	int get_layers_count() const;
	void add_layer(int p_to_pos);
	void move_layer(int p_layer, int p_to_pos);
	void remove_layer(int p_layer);

	void set_layer_name(int p_layer, String p_name);
	String get_layer_name(int p_layer) const;
	void set_layer_enabled(int p_layer, bool p_visible);
	bool is_layer_enabled(int p_layer) const;
	void set_layer_modulate(int p_layer, Color p_modulate);
	Color get_layer_modulate(int p_layer) const;
	void set_layer_y_sort_enabled(int p_layer, bool p_enabled);
	bool is_layer_y_sort_enabled(int p_layer) const;
	void set_layer_y_sort_origin(int p_layer, int p_y_sort_origin);
	int get_layer_y_sort_origin(int p_layer) const;
	void set_layer_z_index(int p_layer, int p_z_index);
	int get_layer_z_index(int p_layer) const;
	void set_layer_navigation_enabled(int p_layer, bool p_enabled);
	bool is_layer_navigation_enabled(int p_layer) const;
	void set_layer_navigation_map(int p_layer, RID p_map);
	RID get_layer_navigation_map(int p_layer) const;

	void set_selected_layer(int p_layer_id); // For editor use.
	int get_selected_layer() const;

	void set_collision_animatable(bool p_enabled);
	bool is_collision_animatable() const;

	// Debug visibility modes.
	void set_collision_visibility_mode(VisibilityMode p_show_collision);
	VisibilityMode get_collision_visibility_mode();

	void set_navigation_visibility_mode(VisibilityMode p_show_navigation);
	VisibilityMode get_navigation_visibility_mode();

	// Cells accessors.
	void set_cell(int p_layer, const Vector2i &p_coords, int p_source_id = TileSet::INVALID_SOURCE, const Vector2i p_atlas_coords = TileSetSource::INVALID_ATLAS_COORDS, int p_alternative_tile = 0);
	void erase_cell(int p_layer, const Vector2i &p_coords);
	int get_cell_source_id(int p_layer, const Vector2i &p_coords, bool p_use_proxies = false) const;
	Vector2i get_cell_atlas_coords(int p_layer, const Vector2i &p_coords, bool p_use_proxies = false) const;
	int get_cell_alternative_tile(int p_layer, const Vector2i &p_coords, bool p_use_proxies = false) const;
	// Helper method to make accessing the data easier.
	TileData *get_cell_tile_data(int p_layer, const Vector2i &p_coords, bool p_use_proxies = false) const;

	// Patterns.
	Ref<TileMapPattern> get_pattern(int p_layer, TypedArray<Vector2i> p_coords_array);
	Vector2i map_pattern(const Vector2i &p_position_in_tilemap, const Vector2i &p_coords_in_pattern, Ref<TileMapPattern> p_pattern);
	void set_pattern(int p_layer, const Vector2i &p_position, const Ref<TileMapPattern> p_pattern);

	// Terrains (Not exposed).
	HashMap<Vector2i, TileSet::TerrainsPattern> terrain_fill_constraints(int p_layer, const Vector<Vector2i> &p_to_replace, int p_terrain_set, const RBSet<TerrainConstraint> &p_constraints);
	HashMap<Vector2i, TileSet::TerrainsPattern> terrain_fill_connect(int p_layer, const Vector<Vector2i> &p_coords_array, int p_terrain_set, int p_terrain, bool p_ignore_empty_terrains = true);
	HashMap<Vector2i, TileSet::TerrainsPattern> terrain_fill_path(int p_layer, const Vector<Vector2i> &p_coords_array, int p_terrain_set, int p_terrain, bool p_ignore_empty_terrains = true);
	HashMap<Vector2i, TileSet::TerrainsPattern> terrain_fill_pattern(int p_layer, const Vector<Vector2i> &p_coords_array, int p_terrain_set, TileSet::TerrainsPattern p_terrains_pattern, bool p_ignore_empty_terrains = true);

	// Terrains (exposed).
	void set_cells_terrain_connect(int p_layer, TypedArray<Vector2i> p_cells, int p_terrain_set, int p_terrain, bool p_ignore_empty_terrains = true);
	void set_cells_terrain_path(int p_layer, TypedArray<Vector2i> p_path, int p_terrain_set, int p_terrain, bool p_ignore_empty_terrains = true);

	// Not exposed to users.
	TileMapCell get_cell(int p_layer, const Vector2i &p_coords, bool p_use_proxies = false) const;
	int get_effective_quadrant_size(int p_layer) const;

	virtual void set_y_sort_enabled(bool p_enable) override;

	Vector2 map_to_local(const Vector2i &p_pos) const;
	Vector2i local_to_map(const Vector2 &p_pos) const;

	bool is_existing_neighbor(TileSet::CellNeighbor p_cell_neighbor) const;
	Vector2i get_neighbor_cell(const Vector2i &p_coords, TileSet::CellNeighbor p_cell_neighbor) const;

	TypedArray<Vector2i> get_used_cells(int p_layer) const;
	TypedArray<Vector2i> get_used_cells_by_id(int p_layer, int p_source_id = TileSet::INVALID_SOURCE, const Vector2i p_atlas_coords = TileSetSource::INVALID_ATLAS_COORDS, int p_alternative_tile = TileSetSource::INVALID_TILE_ALTERNATIVE) const;
	Rect2i get_used_rect() const;

	// Override some methods of the CanvasItem class to pass the changes to the quadrants CanvasItems.
	virtual void set_light_mask(int p_light_mask) override;
	virtual void set_material(const Ref<Material> &p_material) override;
	virtual void set_use_parent_material(bool p_use_parent_material) override;
	virtual void set_texture_filter(CanvasItem::TextureFilter p_texture_filter) override;
	virtual void set_texture_repeat(CanvasItem::TextureRepeat p_texture_repeat) override;

	// For finding tiles from collision.
	Vector2i get_coords_for_body_rid(RID p_physics_body);
	// For getting their layers as well.
	int get_layer_for_body_rid(RID p_physics_body);

	// Fixing and clearing methods.
	void fix_invalid_tiles();

	// Clears tiles from a given layer.
	void clear_layer(int p_layer);
	void clear();

	// Force a TileMap update.
	void update_internals();
	void notify_runtime_tile_data_update(int p_layer = -1);

	// Helpers?
	TypedArray<Vector2i> get_surrounding_cells(const Vector2i &coords);
	void draw_cells_outline(Control *p_control, const RBSet<Vector2i> &p_cells, Color p_color, Transform2D p_transform = Transform2D());

	// Virtual function to modify the TileData at runtime.
	GDVIRTUAL2R(bool, _use_tile_data_runtime_update, int, Vector2i);
	GDVIRTUAL3(_tile_data_runtime_update, int, Vector2i, TileData *);

	// Configuration warnings.
	PackedStringArray get_configuration_warnings() const override;

	TileMap();
	~TileMap();
};

VARIANT_ENUM_CAST(TileMap::VisibilityMode);

#endif // TILE_MAP_H