mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-23 12:26:59 +01:00
105 lines
4.5 KiB
C++
105 lines
4.5 KiB
C++
/*************************************************************************/
|
|
/* gsai_blend.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_blend.h"
|
|
|
|
#include "../gsai_steering_agent.h"
|
|
#include "../gsai_target_acceleration.h"
|
|
#include "../gsai_utils.h"
|
|
|
|
void GSAIBlend::add_behavior(const Ref<GSAISteeringBehavior> &behavior, const float weight) {
|
|
ERR_FAIL_COND(!behavior.is_valid());
|
|
|
|
GSAIBlendBehaviorEntry e;
|
|
e.behavior = behavior;
|
|
e.weight = weight;
|
|
_behaviors.push_back(e);
|
|
}
|
|
|
|
Ref<GSAISteeringBehavior> GSAIBlend::get_behavior(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _behaviors.size(), Ref<GSAISteeringBehavior>());
|
|
|
|
return _behaviors[index].behavior;
|
|
}
|
|
|
|
float GSAIBlend::get_behavior_weight(const int index) {
|
|
ERR_FAIL_INDEX_V(index, _behaviors.size(), 0);
|
|
|
|
return _behaviors[index].weight;
|
|
}
|
|
|
|
void GSAIBlend::remove_behavior(const int index) {
|
|
ERR_FAIL_INDEX(index, _behaviors.size());
|
|
|
|
_behaviors.remove(index);
|
|
}
|
|
|
|
int GSAIBlend::get_behaviour_count() {
|
|
return _behaviors.size();
|
|
}
|
|
|
|
Ref<GSAITargetAcceleration> GSAIBlend::get_accel() {
|
|
return _accel;
|
|
}
|
|
|
|
void GSAIBlend::_calculate_steering(Ref<GSAITargetAcceleration> blended_accel) {
|
|
ERR_FAIL_COND(!agent.is_valid());
|
|
|
|
blended_accel->set_zero();
|
|
|
|
for (int i = 0; i < _behaviors.size(); ++i) { //i in range(_behaviors.size())
|
|
GSAIBlendBehaviorEntry bw = _behaviors[i];
|
|
|
|
bw.behavior->calculate_steering(_accel);
|
|
blended_accel->add_scaled_accel(_accel, bw.weight);
|
|
}
|
|
|
|
blended_accel->set_linear(GSAIUtils::clampedv3(blended_accel->get_linear(), agent->get_linear_acceleration_max()));
|
|
float angular_acceleration_max = agent->get_angular_acceleration_max();
|
|
blended_accel->set_angular(CLAMP(blended_accel->get_angular(), -angular_acceleration_max, angular_acceleration_max));
|
|
}
|
|
|
|
GSAIBlend::GSAIBlend() {
|
|
_accel.instance();
|
|
}
|
|
|
|
GSAIBlend::~GSAIBlend() {
|
|
}
|
|
|
|
void GSAIBlend::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("add_behavior", "behavior", "weight"), &GSAIBlend::add_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_behavior", "index"), &GSAIBlend::get_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_behavior_weight", "index"), &GSAIBlend::get_behavior_weight);
|
|
ClassDB::bind_method(D_METHOD("remove_behavior", "index"), &GSAIBlend::remove_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_behaviour_count"), &GSAIBlend::get_behaviour_count);
|
|
ClassDB::bind_method(D_METHOD("get_accel"), &GSAIBlend::get_accel);
|
|
}
|