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Diffstat (limited to 'scene/3d/proximity_group_3d.cpp')
| -rw-r--r-- | scene/3d/proximity_group_3d.cpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/scene/3d/proximity_group_3d.cpp b/scene/3d/proximity_group_3d.cpp new file mode 100644 index 0000000000..44ffabb655 --- /dev/null +++ b/scene/3d/proximity_group_3d.cpp @@ -0,0 +1,214 @@ +/*************************************************************************/ +/* proximity_group_3d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#include "proximity_group_3d.h" + +#include "core/math/math_funcs.h" + +void ProximityGroup3D::clear_groups() { + + Map<StringName, uint32_t>::Element *E; + + { + const int size = 16; + StringName remove_list[size]; + E = groups.front(); + int num = 0; + while (E && num < size) { + + if (E->get() != group_version) { + remove_list[num++] = E->key(); + }; + + E = E->next(); + }; + for (int i = 0; i < num; i++) { + + groups.erase(remove_list[i]); + }; + }; + + if (E) { + clear_groups(); // call until we go through the whole list + }; +}; + +void ProximityGroup3D::update_groups() { + + if (grid_radius == Vector3(0, 0, 0)) + return; + + ++group_version; + + Vector3 pos = get_global_transform().get_origin(); + Vector3 vcell = pos / cell_size; + int cell[3] = { Math::fast_ftoi(vcell.x), Math::fast_ftoi(vcell.y), Math::fast_ftoi(vcell.z) }; + + add_groups(cell, group_name, 0); + + clear_groups(); +}; + +void ProximityGroup3D::add_groups(int *p_cell, String p_base, int p_depth) { + + p_base = p_base + "|"; + if (grid_radius[p_depth] == 0) { + + if (p_depth == 2) { + _new_group(p_base); + } else { + add_groups(p_cell, p_base, p_depth + 1); + }; + }; + + int start = p_cell[p_depth] - grid_radius[p_depth]; + int end = p_cell[p_depth] + grid_radius[p_depth]; + + for (int i = start; i <= end; i++) { + + String gname = p_base + itos(i); + if (p_depth == 2) { + _new_group(gname); + } else { + add_groups(p_cell, gname, p_depth + 1); + }; + }; +}; + +void ProximityGroup3D::_new_group(StringName p_name) { + + const Map<StringName, uint32_t>::Element *E = groups.find(p_name); + if (!E) { + add_to_group(p_name); + }; + + groups[p_name] = group_version; +}; + +void ProximityGroup3D::_notification(int p_what) { + + switch (p_what) { + + case NOTIFICATION_EXIT_TREE: + ++group_version; + clear_groups(); + break; + case NOTIFICATION_TRANSFORM_CHANGED: + update_groups(); + break; + }; +}; + +void ProximityGroup3D::broadcast(String p_name, Variant p_params) { + + Map<StringName, uint32_t>::Element *E; + E = groups.front(); + while (E) { + + get_tree()->call_group_flags(SceneTree::GROUP_CALL_DEFAULT, E->key(), "_proximity_group_broadcast", p_name, p_params); + E = E->next(); + }; +}; + +void ProximityGroup3D::_proximity_group_broadcast(String p_name, Variant p_params) { + + if (dispatch_mode == MODE_PROXY) { + + get_parent()->call(p_name, p_params); + } else { + + emit_signal("broadcast", p_name, p_params); + }; +}; + +void ProximityGroup3D::set_group_name(const String &p_group_name) { + + group_name = p_group_name; +}; + +String ProximityGroup3D::get_group_name() const { + + return group_name; +}; + +void ProximityGroup3D::set_dispatch_mode(DispatchMode p_mode) { + + dispatch_mode = p_mode; +}; + +ProximityGroup3D::DispatchMode ProximityGroup3D::get_dispatch_mode() const { + + return dispatch_mode; +}; + +void ProximityGroup3D::set_grid_radius(const Vector3 &p_radius) { + + grid_radius = p_radius; +}; + +Vector3 ProximityGroup3D::get_grid_radius() const { + + return grid_radius; +}; + +void ProximityGroup3D::_bind_methods() { + + ClassDB::bind_method(D_METHOD("set_group_name", "name"), &ProximityGroup3D::set_group_name); + ClassDB::bind_method(D_METHOD("get_group_name"), &ProximityGroup3D::get_group_name); + ClassDB::bind_method(D_METHOD("set_dispatch_mode", "mode"), &ProximityGroup3D::set_dispatch_mode); + ClassDB::bind_method(D_METHOD("get_dispatch_mode"), &ProximityGroup3D::get_dispatch_mode); + ClassDB::bind_method(D_METHOD("set_grid_radius", "radius"), &ProximityGroup3D::set_grid_radius); + ClassDB::bind_method(D_METHOD("get_grid_radius"), &ProximityGroup3D::get_grid_radius); + ClassDB::bind_method(D_METHOD("broadcast", "name", "parameters"), &ProximityGroup3D::broadcast); + ClassDB::bind_method(D_METHOD("_proximity_group_broadcast", "name", "params"), &ProximityGroup3D::_proximity_group_broadcast); + + ADD_PROPERTY(PropertyInfo(Variant::STRING, "group_name"), "set_group_name", "get_group_name"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "dispatch_mode", PROPERTY_HINT_ENUM, "Proxy,Signal"), "set_dispatch_mode", "get_dispatch_mode"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "grid_radius"), "set_grid_radius", "get_grid_radius"); + + ADD_SIGNAL(MethodInfo("broadcast", PropertyInfo(Variant::STRING, "group_name"), PropertyInfo(Variant::ARRAY, "parameters"))); + + BIND_ENUM_CONSTANT(MODE_PROXY); + BIND_ENUM_CONSTANT(MODE_SIGNAL); +}; + +ProximityGroup3D::ProximityGroup3D() { + + group_version = 0; + dispatch_mode = MODE_PROXY; + + cell_size = 1.0; + grid_radius = Vector3(1, 1, 1); + set_notify_transform(true); +}; + +ProximityGroup3D::~ProximityGroup3D(){ + +}; |