trenches/src/player.cpp

#include "player.hpp"
#include "utils/godot_macros.hpp"
#include <godot_cpp/variant/utility_functions.hpp>
#include <godot_cpp/classes/input_event_joypad_motion.hpp>

void Player::_bind_methods() {
#define CLASSNAME Player
    GDPROPERTY(input_directions, gd::Variant::VECTOR2);
}

void Player::_ready() {
    this->anim_tree = this->get_node<gd::AnimationTree>("%AnimationTree");
    this->sfm = gd::Object::cast_to<gd::AnimationNodeStateMachinePlayback>(this->anim_tree->get("parameters/Actions/playback"));
    this->input = this->get_node<utils::PlayerInput>("%PlayerInput");
    this->input->listen_to(utils::PlayerInput::Listener("dir_left", "dir_right", callable_mp(this, &Player::_on_dir_horizontal)));
    this->input->listen_to(utils::PlayerInput::Listener("dir_backward", "dir_forward", callable_mp(this, &Player::_on_dir_vertical)));
    this->input->listen_to(utils::PlayerInput::Listener("look_left", "look_right", callable_mp(this, &Player::_on_look_horizontal)));
    this->input->listen_to(utils::PlayerInput::Listener("look_down", "look_up", callable_mp(this, &Player::_on_look_vertical)));
    this->input->listen_to(utils::PlayerInput::Listener("_mouse_left", "_mouse_right", callable_mp(this, &Player::_on_look_horizontal)));
    this->input->listen_to(utils::PlayerInput::Listener("_mouse_down", "_mouse_up", callable_mp(this, &Player::_on_look_vertical)));
    this->model_node = this->get_node<gd::Node3D>("%CharacterModel");
}

void Player::_process(double delta [[maybe_unused]]) {
    this->anim_tree->set("parameters/Actions/Walk/Move/blend_position", this->input_directions);
}

void Player::_physics_process(double delta [[maybe_unused]]) {
    gd::Basis const &model_basis{this->model_node->get_global_basis()};
    gd::Vector3 const local_motion{this->anim_tree->get_root_motion_position()};
    gd::Vector3 const motion {
        local_motion.x * model_basis.get_column(0) +
        local_motion.y * model_basis.get_column(1) +
        local_motion.z * model_basis.get_column(2)
    };
    this->set_velocity(motion / delta);
    this->move_and_slide();
}

void Player::_on_dir_horizontal(gd::Ref<gd::InputEvent>, float value) {
    this->input_directions.x = value;
}

void Player::_on_dir_vertical(gd::Ref<gd::InputEvent>, float value) {
    this->input_directions.y = value;
}

void Player::_on_look_horizontal(gd::Ref<gd::InputEvent>, float value) {
    this->input_look.x = value;
}

void Player::_on_look_vertical(gd::Ref<gd::InputEvent>, float value) {
    this->input_look.y = value;
}

void Player::set_input_directions(gd::Vector2 value [[maybe_unused]]) {}

gd::Vector2 Player::get_input_directions() const {
    return this->input_directions;
}