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- /**************************************************************************/
- /* grid_map.h */
- /**************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /**************************************************************************/
- /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
- /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
- /* */
- /* Permission is hereby granted, free of charge, to any person obtaining */
- /* a copy of this software and associated documentation files (the */
- /* "Software"), to deal in the Software without restriction, including */
- /* without limitation the rights to use, copy, modify, merge, publish, */
- /* distribute, sublicense, and/or sell copies of the Software, and to */
- /* permit persons to whom the Software is furnished to do so, subject to */
- /* the following conditions: */
- /* */
- /* The above copyright notice and this permission notice shall be */
- /* included in all copies or substantial portions of the Software. */
- /* */
- /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
- /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
- /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
- /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
- /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
- /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
- /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
- /**************************************************************************/
- #ifndef GRID_MAP_H
- #define GRID_MAP_H
- #include "scene/3d/node_3d.h"
- #include "scene/resources/3d/mesh_library.h"
- #include "scene/resources/multimesh.h"
- //heh heh, godotsphir!! this shares no code and the design is completely different with previous projects i've done..
- //should scale better with hardware that supports instancing
- class PhysicsMaterial;
- class GridMap : public Node3D {
- GDCLASS(GridMap, Node3D);
- enum {
- MAP_DIRTY_TRANSFORMS = 1,
- MAP_DIRTY_INSTANCES = 2,
- };
- union IndexKey {
- struct {
- int16_t x;
- int16_t y;
- int16_t z;
- };
- uint64_t key = 0;
- static uint32_t hash(const IndexKey &p_key) {
- return hash_one_uint64(p_key.key);
- }
- _FORCE_INLINE_ bool operator<(const IndexKey &p_key) const {
- return key < p_key.key;
- }
- _FORCE_INLINE_ bool operator==(const IndexKey &p_key) const {
- return key == p_key.key;
- }
- _FORCE_INLINE_ operator Vector3i() const {
- return Vector3i(x, y, z);
- }
- IndexKey(Vector3i p_vector) {
- x = (int16_t)p_vector.x;
- y = (int16_t)p_vector.y;
- z = (int16_t)p_vector.z;
- }
- IndexKey() {}
- };
- /**
- * @brief A Cell is a single cell in the cube map space; it is defined by its coordinates and the populating Item, identified by int id.
- */
- union Cell {
- struct {
- unsigned int item : 16;
- unsigned int rot : 5;
- unsigned int layer : 8;
- };
- uint32_t cell = 0;
- };
- /**
- * @brief An Octant is a prism containing Cells, and possibly belonging to an Area.
- * A GridMap can have multiple Octants.
- */
- struct Octant {
- struct NavigationCell {
- RID region;
- Transform3D xform;
- RID navigation_mesh_debug_instance;
- uint32_t navigation_layers = 1;
- };
- struct MultimeshInstance {
- RID instance;
- RID multimesh;
- struct Item {
- int index = 0;
- Transform3D transform;
- IndexKey key;
- };
- Vector<Item> items; //tools only, for changing visibility
- };
- Vector<MultimeshInstance> multimesh_instances;
- HashSet<IndexKey> cells;
- RID collision_debug;
- RID collision_debug_instance;
- #ifdef DEBUG_ENABLED
- RID navigation_debug_edge_connections_instance;
- Ref<ArrayMesh> navigation_debug_edge_connections_mesh;
- #endif // DEBUG_ENABLED
- bool dirty = false;
- RID static_body;
- HashMap<IndexKey, NavigationCell> navigation_cell_ids;
- };
- union OctantKey {
- struct {
- int16_t x;
- int16_t y;
- int16_t z;
- int16_t empty;
- };
- uint64_t key = 0;
- static uint32_t hash(const OctantKey &p_key) {
- return hash_one_uint64(p_key.key);
- }
- _FORCE_INLINE_ bool operator==(const OctantKey &p_key) const {
- return key == p_key.key;
- }
- //OctantKey(const IndexKey& p_k, int p_item) { indexkey=p_k.key; item=p_item; }
- OctantKey() {}
- };
- uint32_t collision_layer = 1;
- uint32_t collision_mask = 1;
- real_t collision_priority = 1.0;
- Ref<PhysicsMaterial> physics_material;
- bool bake_navigation = false;
- RID map_override;
- Transform3D last_transform;
- bool _in_tree = false;
- Vector3 cell_size = Vector3(2, 2, 2);
- int octant_size = 8;
- bool center_x = true;
- bool center_y = true;
- bool center_z = true;
- float cell_scale = 1.0;
- bool recreating_octants = false;
- Ref<MeshLibrary> mesh_library;
- HashMap<OctantKey, Octant *, OctantKey> octant_map;
- HashMap<IndexKey, Cell, IndexKey> cell_map;
- void _recreate_octant_data();
- struct BakeLight {
- RS::LightType type = RS::LightType::LIGHT_DIRECTIONAL;
- Vector3 pos;
- Vector3 dir;
- float param[RS::LIGHT_PARAM_MAX] = {};
- };
- _FORCE_INLINE_ Vector3 _octant_get_offset(const OctantKey &p_key) const {
- return Vector3(p_key.x, p_key.y, p_key.z) * cell_size * octant_size;
- }
- void _update_physics_bodies_collision_properties();
- void _update_physics_bodies_characteristics();
- void _octant_enter_world(const OctantKey &p_key);
- void _octant_exit_world(const OctantKey &p_key);
- bool _octant_update(const OctantKey &p_key);
- void _octant_clean_up(const OctantKey &p_key);
- void _octant_transform(const OctantKey &p_key);
- #ifdef DEBUG_ENABLED
- void _update_octant_navigation_debug_edge_connections_mesh(const OctantKey &p_key);
- void _navigation_map_changed(RID p_map);
- void _update_navigation_debug_edge_connections();
- #endif // DEBUG_ENABLED
- bool awaiting_update = false;
- void _queue_octants_dirty();
- void _update_octants_callback();
- #ifndef DISABLE_DEPRECATED
- void resource_changed(const Ref<Resource> &p_res);
- #endif
- void _clear_internal();
- Vector3 _get_offset() const;
- struct BakedMesh {
- Ref<Mesh> mesh;
- RID instance;
- };
- Vector<BakedMesh> baked_meshes;
- 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;
- void _notification(int p_what);
- void _update_visibility();
- static void _bind_methods();
- public:
- enum {
- INVALID_CELL_ITEM = -1
- };
- void set_collision_layer(uint32_t p_layer);
- uint32_t get_collision_layer() const;
- void set_collision_mask(uint32_t p_mask);
- uint32_t get_collision_mask() const;
- void set_collision_layer_value(int p_layer_number, bool p_value);
- bool get_collision_layer_value(int p_layer_number) const;
- void set_collision_mask_value(int p_layer_number, bool p_value);
- bool get_collision_mask_value(int p_layer_number) const;
- void set_collision_priority(real_t p_priority);
- real_t get_collision_priority() const;
- void set_physics_material(Ref<PhysicsMaterial> p_material);
- Ref<PhysicsMaterial> get_physics_material() const;
- Array get_collision_shapes() const;
- void set_bake_navigation(bool p_bake_navigation);
- bool is_baking_navigation();
- void set_navigation_map(RID p_navigation_map);
- RID get_navigation_map() const;
- void set_mesh_library(const Ref<MeshLibrary> &p_mesh_library);
- Ref<MeshLibrary> get_mesh_library() const;
- void set_cell_size(const Vector3 &p_size);
- Vector3 get_cell_size() const;
- void set_octant_size(int p_size);
- int get_octant_size() const;
- void set_center_x(bool p_enable);
- bool get_center_x() const;
- void set_center_y(bool p_enable);
- bool get_center_y() const;
- void set_center_z(bool p_enable);
- bool get_center_z() const;
- void set_cell_item(const Vector3i &p_position, int p_item, int p_rot = 0);
- int get_cell_item(const Vector3i &p_position) const;
- int get_cell_item_orientation(const Vector3i &p_position) const;
- Basis get_cell_item_basis(const Vector3i &p_position) const;
- Basis get_basis_with_orthogonal_index(int p_index) const;
- int get_orthogonal_index_from_basis(const Basis &p_basis) const;
- Vector3i local_to_map(const Vector3 &p_local_position) const;
- Vector3 map_to_local(const Vector3i &p_map_position) const;
- void set_cell_scale(float p_scale);
- float get_cell_scale() const;
- TypedArray<Vector3i> get_used_cells() const;
- TypedArray<Vector3i> get_used_cells_by_item(int p_item) const;
- Array get_meshes() const;
- void clear_baked_meshes();
- void make_baked_meshes(bool p_gen_lightmap_uv = false, float p_lightmap_uv_texel_size = 0.1);
- void clear();
- Array get_bake_meshes();
- RID get_bake_mesh_instance(int p_idx);
- GridMap();
- ~GridMap();
- };
- #endif // GRID_MAP_H
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