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