mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-22 11:56:49 +01:00
110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
|
|
#include "gsai_follow_path.h"
|
|
|
|
#include "../gsai_path.h"
|
|
#include "../gsai_steering_agent.h"
|
|
#include "../gsai_target_acceleration.h"
|
|
|
|
Ref<GSAIPath> GSAIFollowPath::get_path() {
|
|
return path;
|
|
}
|
|
|
|
void GSAIFollowPath::set_path(const Ref<GSAIPath> &val) {
|
|
path = val;
|
|
}
|
|
|
|
float GSAIFollowPath::get_path_offset() const {
|
|
return path_offset;
|
|
}
|
|
|
|
void GSAIFollowPath::set_path_offset(const float val) {
|
|
path_offset = val;
|
|
}
|
|
|
|
bool GSAIFollowPath::get_is_arrive_enabled() const {
|
|
return is_arrive_enabled;
|
|
}
|
|
|
|
void GSAIFollowPath::set_is_arrive_enabled(const bool val) {
|
|
is_arrive_enabled = val;
|
|
}
|
|
|
|
float GSAIFollowPath::get_prediction_time() const {
|
|
return prediction_time;
|
|
}
|
|
|
|
void GSAIFollowPath::set_prediction_time(const float val) {
|
|
prediction_time = val;
|
|
}
|
|
|
|
void GSAIFollowPath::_calculate_steering(Ref<GSAITargetAcceleration> acceleration) {
|
|
ERR_FAIL_COND(!agent.is_valid());
|
|
ERR_FAIL_COND(!path.is_valid());
|
|
|
|
Vector3 location;
|
|
|
|
if (prediction_time == 0) {
|
|
location = agent->get_position();
|
|
} else {
|
|
location = agent->get_position() + (agent->get_linear_velocity() * prediction_time);
|
|
}
|
|
|
|
float distance = path->calculate_distance(location);
|
|
float target_distance = distance + path_offset;
|
|
|
|
if (prediction_time > 0 && path->get_is_open()) {
|
|
if (target_distance < path->calculate_distance(agent->get_position())) {
|
|
target_distance = path->get_length();
|
|
}
|
|
}
|
|
|
|
Vector3 target_position = path->calculate_target_position(target_distance);
|
|
|
|
if (is_arrive_enabled && path->get_is_open()) {
|
|
if (path_offset >= 0) {
|
|
if (target_distance > path->get_length() - deceleration_radius) {
|
|
arrive(acceleration, target_position);
|
|
return;
|
|
}
|
|
} else {
|
|
if (target_distance < deceleration_radius) {
|
|
arrive(acceleration, target_position);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
Vector3 linear = (target_position - agent->get_position()).normalized();
|
|
linear *= agent->get_linear_acceleration_max();
|
|
|
|
acceleration->set_linear(linear);
|
|
acceleration->set_angular(0);
|
|
}
|
|
|
|
GSAIFollowPath::GSAIFollowPath() {
|
|
path_offset = 0.0;
|
|
is_arrive_enabled = true;
|
|
prediction_time = 0.0;
|
|
}
|
|
|
|
GSAIFollowPath::~GSAIFollowPath() {
|
|
}
|
|
|
|
void GSAIFollowPath::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("get_path"), &GSAIFollowPath::get_path);
|
|
ClassDB::bind_method(D_METHOD("set_path", "value"), &GSAIFollowPath::set_path);
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "path", PROPERTY_HINT_RESOURCE_TYPE, "GSAIPath"), "set_path", "get_path");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_path_offset"), &GSAIFollowPath::get_path_offset);
|
|
ClassDB::bind_method(D_METHOD("set_path_offset", "value"), &GSAIFollowPath::set_path_offset);
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "path_offset"), "set_path_offset", "get_path_offset");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_is_arrive_enabled"), &GSAIFollowPath::get_is_arrive_enabled);
|
|
ClassDB::bind_method(D_METHOD("set_is_arrive_enabled", "value"), &GSAIFollowPath::set_is_arrive_enabled);
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "is_arrive_enabled"), "set_is_arrive_enabled", "get_is_arrive_enabled");
|
|
|
|
ClassDB::bind_method(D_METHOD("get_prediction_time"), &GSAIFollowPath::get_prediction_time);
|
|
ClassDB::bind_method(D_METHOD("set_prediction_time", "value"), &GSAIFollowPath::set_prediction_time);
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "prediction_time"), "set_prediction_time", "get_prediction_time");
|
|
}
|