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154 | /**************************************************************************/
/* merge_group.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 MERGE_GROUP_H
#define MERGE_GROUP_H
#include "spatial.h"
class MeshInstance;
class CSGShape;
class GridMap;
class MergeGroup : public Spatial {<--- The class 'MergeGroup' does not declare a constructor although it has private member variables which likely require initialization. [+]The class 'MergeGroup' does not declare a constructor although it has private member variables. Member variables of builtin types are left uninitialized when the class is instantiated. That may cause bugs or undefined behavior.
GDCLASS(MergeGroup, Spatial);
friend class MergeGroupEditorPlugin;
public:
enum ParamEnabled {
PARAM_ENABLED_AUTO_MERGE,
PARAM_ENABLED_SHADOW_PROXY,
PARAM_ENABLED_CONVERT_CSGS,
PARAM_ENABLED_CONVERT_GRIDMAPS,
PARAM_ENABLED_COMBINE_SURFACES,
PARAM_ENABLED_CLEAN_MESHES,
PARAM_ENABLED_MAX,
};
enum Param {
PARAM_GROUP_SIZE,
PARAM_SPLITS_HORIZONTAL,
PARAM_SPLITS_VERTICAL,
PARAM_MIN_SPLIT_POLY_COUNT,
PARAM_MAX,
};
void merge_meshes();
bool merge_meshes_in_editor();
void set_param_enabled(ParamEnabled p_param, bool p_enabled);
bool get_param_enabled(ParamEnabled p_param);
void set_param(Param p_param, int p_value);
int get_param(Param p_param);
// These enable feedback in the Godot UI as we bake.
typedef bool (*BakeStepFunc)(float, const String &, void *, bool); // Progress, step description, userdata, force refresh.
typedef void (*BakeEndFunc)(uint32_t); // time_started
static BakeStepFunc bake_step_function;
static BakeStepFunc bake_substep_function;
static BakeEndFunc bake_end_function;
protected:
static void _bind_methods();
void _notification(int p_what);
private:
struct MeshAABB {
MeshInstance *mi = nullptr;
AABB aabb;
static int _sort_axis;
bool operator<(const MeshAABB &p_b) const {
real_t a_min = aabb.position.coord[_sort_axis];
real_t b_min = p_b.aabb.position.coord[_sort_axis];
return a_min < b_min;
}
};
// Main function.
bool _merge_meshes();
// Merging.
void _find_mesh_instances_recursive(int p_depth, Node *p_node, LocalVector<MeshInstance *> &r_mis, bool p_shadows, bool p_flag_invalid_meshes = false);
bool _merge_similar(LocalVector<MeshInstance *> &r_mis, bool p_shadows);
void _merge_list(const LocalVector<MeshInstance *> &p_mis, bool p_shadows, int p_whittle_group = -1);
void _merge_list_ex(const LocalVector<MeshAABB> &p_mesh_aabbs, bool p_shadows, int p_whittle_group = -1);
bool _join_similar(LocalVector<MeshInstance *> &r_mis);
void _split_mesh_by_surface(MeshInstance *p_mi, int p_num_surfaces);
bool _split_by_locality();
// Helper funcs.
void _convert_source_to_spatial(Spatial *p_node);
void _reset_mesh_instance(MeshInstance *p_mi);
void _move_children(Node *p_from, Node *p_to, bool p_recalculate_transforms = false);
void _recursive_tree_merge(int &r_whittle_group, LocalVector<MeshAABB> p_list);
void _delete_node(Node *p_node);
bool _node_ok_to_delete(Node *p_node);
void _cleanup_source_meshes(LocalVector<MeshInstance *> &r_cleanup_list);
void _delete_dangling_spatials(Node *p_node);
void _node_changed(Node *p_node);
void _node_changed_internal(Node *p_node);
// CSG
void _find_csg_recursive(int p_depth, Node *p_node, LocalVector<CSGShape *> &r_csgs);
void _split_csg_by_surface(CSGShape *p_shape);
bool _terminate_search(Node *p_node);
// Gridmap
void _find_gridmap_recursive(int p_depth, Node *p_node, LocalVector<GridMap *> &r_gridmaps);
void _bake_gridmap(GridMap *p_gridmap);
void _log(String p_string);
void _logt(int p_tabs, String p_string);
struct Data {
bool params_enabled[PARAM_ENABLED_MAX];
uint32_t params[PARAM_MAX];
// Hidden Params.
bool delete_sources = false;
bool convert_sources = false;
bool split_by_surface = false;
// Each merge is an iteration.
uint32_t iteration = 0;
Node *scene_root = nullptr;
Data();
} data;
};
VARIANT_ENUM_CAST(MergeGroup::Param);
VARIANT_ENUM_CAST(MergeGroup::ParamEnabled);
#endif // MERGE_GROUP_H
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