mirror of
https://github.com/Relintai/pandemonium_engine.git
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106 lines
4.2 KiB
C++
106 lines
4.2 KiB
C++
/*************************************************************************/
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/* gsai_priority.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gsai_priority.h"
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#include "../gsai_target_acceleration.h"
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float GSAIPriority::get_zero_threshold() const {
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return zero_threshold;
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}
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void GSAIPriority::set_zero_threshold(const float val) {
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zero_threshold = val;
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}
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void GSAIPriority::add_behavior(const Ref<GSAISteeringBehavior> &behavior) {
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_behaviors.push_back(behavior);
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}
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Ref<GSAISteeringBehavior> GSAIPriority::get_behavior(const int index) {
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ERR_FAIL_INDEX_V(index, _behaviors.size(), Ref<GSAISteeringBehavior>());
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return _behaviors[index];
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}
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void GSAIPriority::remove_behavior(const int index) {
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ERR_FAIL_INDEX(index, _behaviors.size());
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_behaviors.remove(index);
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}
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int GSAIPriority::get_behaviour_count() {
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return _behaviors.size();
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}
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void GSAIPriority::_calculate_steering(Ref<GSAITargetAcceleration> accel) {
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float threshold_squared = zero_threshold * zero_threshold;
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_last_selected_index = -1;
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int size = _behaviors.size();
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if (size > 0) {
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for (int i = 0; i < size; ++i) {
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Ref<GSAISteeringBehavior> behavior = _behaviors[i];
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ERR_CONTINUE(!behavior.is_valid());
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_last_selected_index = i;
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behavior->calculate_steering(accel);
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if (accel->get_magnitude_squared() > threshold_squared) {
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break;
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}
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}
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} else {
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accel->set_zero();
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}
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}
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GSAIPriority::GSAIPriority() {
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zero_threshold = 0.0;
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_last_selected_index = -1;
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}
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GSAIPriority::~GSAIPriority() {
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}
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void GSAIPriority::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_zero_threshold"), &GSAIPriority::get_zero_threshold);
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ClassDB::bind_method(D_METHOD("set_zero_threshold", "value"), &GSAIPriority::set_zero_threshold);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "zero_threshold"), "set_zero_threshold", "get_zero_threshold");
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ClassDB::bind_method(D_METHOD("add_behavior", "behavior"), &GSAIPriority::add_behavior);
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ClassDB::bind_method(D_METHOD("get_behavior", "index"), &GSAIPriority::get_behavior);
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ClassDB::bind_method(D_METHOD("remove_behavior", "index"), &GSAIPriority::remove_behavior);
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ClassDB::bind_method(D_METHOD("get_behaviour_count"), &GSAIPriority::get_behaviour_count);
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}
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