mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-28 14:47:13 +01:00
106 lines
4.2 KiB
C++
106 lines
4.2 KiB
C++
/*************************************************************************/
|
|
/* gsai_priority.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* PANDEMONIUM ENGINE */
|
|
/* https://github.com/Relintai/pandemonium_engine */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2022-present Péter Magyar. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* Copyright (c) 2007-2022 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. */
|
|
/*************************************************************************/
|
|
|
|
#include "gsai_priority.h"
|
|
|
|
#include "../gsai_target_acceleration.h"
|
|
|
|
float GSAIPriority::get_zero_threshold() const {
|
|
return zero_threshold;
|
|
}
|
|
|
|
void GSAIPriority::set_zero_threshold(const float val) {
|
|
zero_threshold = val;
|
|
}
|
|
|
|
void GSAIPriority::add_behavior(const Ref<GSAISteeringBehavior> &behavior) {
|
|
_behaviors.push_back(behavior);
|
|
}
|
|
|
|
Ref<GSAISteeringBehavior> GSAIPriority::get_behavior(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _behaviors.size(), Ref<GSAISteeringBehavior>());
|
|
|
|
return _behaviors[index];
|
|
}
|
|
|
|
void GSAIPriority::remove_behavior(const int index) {
|
|
ERR_FAIL_INDEX(index, _behaviors.size());
|
|
|
|
_behaviors.remove(index);
|
|
}
|
|
|
|
int GSAIPriority::get_behaviour_count() {
|
|
return _behaviors.size();
|
|
}
|
|
|
|
void GSAIPriority::_calculate_steering(Ref<GSAITargetAcceleration> accel) {
|
|
float threshold_squared = zero_threshold * zero_threshold;
|
|
_last_selected_index = -1;
|
|
int size = _behaviors.size();
|
|
|
|
if (size > 0) {
|
|
for (int i = 0; i < size; ++i) {
|
|
Ref<GSAISteeringBehavior> behavior = _behaviors[i];
|
|
|
|
ERR_CONTINUE(!behavior.is_valid());
|
|
|
|
_last_selected_index = i;
|
|
|
|
behavior->calculate_steering(accel);
|
|
|
|
if (accel->get_magnitude_squared() > threshold_squared) {
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
accel->set_zero();
|
|
}
|
|
}
|
|
|
|
GSAIPriority::GSAIPriority() {
|
|
zero_threshold = 0.0;
|
|
_last_selected_index = -1;
|
|
}
|
|
|
|
GSAIPriority::~GSAIPriority() {
|
|
}
|
|
|
|
void GSAIPriority::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("get_zero_threshold"), &GSAIPriority::get_zero_threshold);
|
|
ClassDB::bind_method(D_METHOD("set_zero_threshold", "value"), &GSAIPriority::set_zero_threshold);
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "zero_threshold"), "set_zero_threshold", "get_zero_threshold");
|
|
|
|
ClassDB::bind_method(D_METHOD("add_behavior", "behavior"), &GSAIPriority::add_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_behavior", "index"), &GSAIPriority::get_behavior);
|
|
ClassDB::bind_method(D_METHOD("remove_behavior", "index"), &GSAIPriority::remove_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_behaviour_count"), &GSAIPriority::get_behaviour_count);
|
|
}
|