mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-21 03:16:54 +01:00
147 lines
3.8 KiB
C++
147 lines
3.8 KiB
C++
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#include "gsaifollowpath.h"
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GSAIPath GSAIFollowPath::get_*path() {
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return *path;
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}
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void GSAIFollowPath::set_*path(const GSAIPath &val) {
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*path = val;
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}
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float GSAIFollowPath::get_path_offset() const {
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return path_offset;
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}
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void GSAIFollowPath::set_path_offset(const float val) {
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path_offset = val;
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}
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bool GSAIFollowPath::get_is_arrive_enabled() const {
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return is_arrive_enabled;
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}
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void GSAIFollowPath::set_is_arrive_enabled(const bool val) {
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is_arrive_enabled = val;
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}
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float GSAIFollowPath::get_prediction_time() const {
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return prediction_time;
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}
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void GSAIFollowPath::set_prediction_time(const float val) {
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prediction_time = val;
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}
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// Produces a linear acceleration that moves the agent along the specified path.;
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// @category - Individual behaviors;
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// The path to follow and travel along.;
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GSAIPath *path;
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// The distance along the path to generate the next target position.;
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float path_offset = 0.0;
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// Whether to use `GSAIArrive` behavior on an open path.;
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bool is_arrive_enabled = true;
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// The amount of time in the future to predict the owning agent's position along;
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// the path. Setting it to 0.0 will force non-predictive path following.;
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float prediction_time = 0.0;
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void GSAIFollowPath::_calculate_steering(const GSAITargetAcceleration &acceleration) {
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Vector3 location = ;
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if (prediction_time == 0) {
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location = agent.position;
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}
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else {
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location = agent.position + (agent.linear_velocity * prediction_time);
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}
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float distance = path.calculate_distance(location);
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float target_distance = distance + path_offset;
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if (prediction_time > 0 && path.is_open) {
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if (target_distance < path.calculate_distance(agent.position)) {
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target_distance = path.length;
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}
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}
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Vector3 target_position = path.calculate_target_position(target_distance);
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if (is_arrive_enabled && path.is_open) {
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if (path_offset >= 0) {
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if (target_distance > path.length - deceleration_radius) {
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arrive(acceleration, target_position);
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return;
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}
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}
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else {
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if (target_distance < deceleration_radius) {
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arrive(acceleration, target_position);
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return;
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}
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}
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}
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acceleration.linear = (target_position - agent.position).normalized();
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acceleration.linear *= agent.linear_acceleration_max;
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acceleration.angular = 0;
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}
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}
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GSAIFollowPath::GSAIFollowPath() {
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*path;
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path_offset = 0.0;
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is_arrive_enabled = true;
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prediction_time = 0.0;
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}
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GSAIFollowPath::~GSAIFollowPath() {
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}
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static void GSAIFollowPath::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_*path"), &GSAIFollowPath::get_*path);
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ClassDB::bind_method(D_METHOD("set_*path", "value"), &GSAIFollowPath::set_*path);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "*path", PROPERTY_HINT_RESOURCE_TYPE, "GSAIPath"), "set_*path", "get_*path");
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ClassDB::bind_method(D_METHOD("get_path_offset"), &GSAIFollowPath::get_path_offset);
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ClassDB::bind_method(D_METHOD("set_path_offset", "value"), &GSAIFollowPath::set_path_offset);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "path_offset"), "set_path_offset", "get_path_offset");
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ClassDB::bind_method(D_METHOD("get_is_arrive_enabled"), &GSAIFollowPath::get_is_arrive_enabled);
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ClassDB::bind_method(D_METHOD("set_is_arrive_enabled", "value"), &GSAIFollowPath::set_is_arrive_enabled);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "is_arrive_enabled"), "set_is_arrive_enabled", "get_is_arrive_enabled");
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ClassDB::bind_method(D_METHOD("get_prediction_time"), &GSAIFollowPath::get_prediction_time);
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ClassDB::bind_method(D_METHOD("set_prediction_time", "value"), &GSAIFollowPath::set_prediction_time);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "prediction_time"), "set_prediction_time", "get_prediction_time");
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ClassDB::bind_method(D_METHOD("_calculate_steering", "acceleration"), &GSAIFollowPath::_calculate_steering);
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}
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