💿🐜 Antkeeper source code
https://antkeeper.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
314 lines
9.5 KiB
314 lines
9.5 KiB
/*
|
|
* Copyright (C) 2020 Christopher J. Howard
|
|
*
|
|
* This file is part of Antkeeper source code.
|
|
*
|
|
* Antkeeper source code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Antkeeper source code is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "control-system.hpp"
|
|
#include "input/control.hpp"
|
|
#include "orbit-cam.hpp"
|
|
#include "scene/camera.hpp"
|
|
#include "geometry/intersection.hpp"
|
|
#include "animation/ease.hpp"
|
|
#include "nest.hpp"
|
|
#include <vmq/vmq.hpp>
|
|
|
|
using namespace vmq::operators;
|
|
|
|
control_system::control_system():
|
|
timestep(0.0f),
|
|
zoom(0.0f),
|
|
tool(nullptr),
|
|
flashlight(nullptr),
|
|
flashlight_light_cone(nullptr),
|
|
underworld_camera(nullptr)
|
|
{
|
|
control_set.add_control(&move_forward_control);
|
|
control_set.add_control(&move_back_control);
|
|
control_set.add_control(&move_right_control);
|
|
control_set.add_control(&move_left_control);
|
|
control_set.add_control(&rotate_ccw_control);
|
|
control_set.add_control(&rotate_cw_control);
|
|
control_set.add_control(&tilt_up_control);
|
|
control_set.add_control(&tilt_down_control);
|
|
control_set.add_control(&zoom_in_control);
|
|
control_set.add_control(&zoom_out_control);
|
|
control_set.add_control(&adjust_camera_control);
|
|
control_set.add_control(&ascend_control);
|
|
control_set.add_control(&descend_control);
|
|
control_set.add_control(&toggle_view_control);
|
|
control_set.add_control(&tool_menu_control);
|
|
|
|
// Set deadzone at 15% for all controls
|
|
const std::list<control*>* controls = control_set.get_controls();
|
|
for (control* control: *controls)
|
|
{
|
|
control->set_deadzone(0.15f);
|
|
}
|
|
|
|
zoom_speed = 4.0f; //1
|
|
min_elevation = vmq::radians(-85.0f);
|
|
max_elevation = vmq::radians(85.0f);
|
|
near_focal_distance = 2.0f;
|
|
far_focal_distance = 200.0f;
|
|
near_movement_speed = 10.0f;
|
|
far_movement_speed = 80.0f;
|
|
near_fov = vmq::radians(80.0f);
|
|
far_fov = vmq::radians(35.0f);
|
|
near_clip_near = 0.1f;
|
|
far_clip_near = 5.0f;
|
|
near_clip_far = 100.0f;
|
|
far_clip_far = 2000.0f;
|
|
|
|
nest = nullptr;
|
|
orbit_cam = nullptr;
|
|
|
|
mouse_angle = 0.0f;
|
|
old_mouse_angle = mouse_angle;
|
|
flashlight_turns = 0.0f;
|
|
flashlight_turns_i = 0;
|
|
flashlight_turns_f = 0.0f;
|
|
}
|
|
|
|
void control_system::update(float dt)
|
|
{
|
|
this->timestep = dt;
|
|
|
|
if (adjust_camera_control.is_active() && !adjust_camera_control.was_active())
|
|
{
|
|
}
|
|
|
|
// Determine zoom
|
|
if (zoom_in_control.is_active())
|
|
zoom += zoom_speed * dt * zoom_in_control.get_current_value();
|
|
if (zoom_out_control.is_active())
|
|
zoom -= zoom_speed * dt * zoom_out_control.get_current_value();
|
|
zoom = std::max<float>(0.0f, std::min<float>(1.0f, zoom));
|
|
|
|
float focal_distance = ease<float>::log(near_focal_distance, far_focal_distance, 1.0f - zoom);
|
|
|
|
float fov = ease<float>::log(near_fov, far_fov, 1.0f - zoom);
|
|
|
|
//float elevation_factor = (orbit_cam->get_target_elevation() - min_elevation) / max_elevation;
|
|
//fov = ease<float>::log(near_fov, far_fov, elevation_factor);
|
|
float clip_near = ease<float>::log(near_clip_near, far_clip_near, 1.0f - zoom);
|
|
float clip_far = ease<float>::log(near_clip_far, far_clip_far, 1.0f - zoom);
|
|
float movement_speed = ease<float>::log(near_movement_speed * dt, far_movement_speed * dt, 1.0f - zoom);
|
|
|
|
orbit_cam->set_target_focal_distance(focal_distance);
|
|
orbit_cam->get_camera()->set_perspective(fov, orbit_cam->get_camera()->get_aspect_ratio(), clip_near, clip_far);
|
|
|
|
const float rotation_speed = 2.0f * dt;
|
|
float rotation = 0.0f;
|
|
if (rotate_ccw_control.is_active())
|
|
rotation += rotate_ccw_control.get_current_value() * rotation_speed;
|
|
if (rotate_cw_control.is_active())
|
|
rotation -= rotate_cw_control.get_current_value() * rotation_speed;
|
|
if (rotation)
|
|
{
|
|
orbit_cam->rotate(rotation);
|
|
}
|
|
|
|
const float tilt_speed = 2.0f * dt;
|
|
float tilt = 0.0f;
|
|
if (tilt_up_control.is_active())
|
|
tilt -= tilt_up_control.get_current_value() * tilt_speed;
|
|
if (tilt_down_control.is_active())
|
|
tilt += tilt_down_control.get_current_value() * tilt_speed;
|
|
if (tilt)
|
|
{
|
|
orbit_cam->tilt(tilt);
|
|
float elevation = orbit_cam->get_target_elevation();
|
|
elevation = std::min<float>(max_elevation, std::max<float>(min_elevation, elevation));
|
|
orbit_cam->set_target_elevation(elevation);
|
|
}
|
|
|
|
float2 movement{0.0f, 0.0f};
|
|
if (move_right_control.is_active())
|
|
movement[0] += move_right_control.get_current_value();
|
|
if (move_left_control.is_active())
|
|
movement[0] -= move_left_control.get_current_value();
|
|
if (move_forward_control.is_active())
|
|
movement[1] -= move_forward_control.get_current_value();
|
|
if (move_back_control.is_active())
|
|
movement[1] += move_back_control.get_current_value();
|
|
|
|
const float deadzone = 0.01f;
|
|
float magnitude_squared = vmq::length_squared(movement);
|
|
|
|
if (magnitude_squared > deadzone)
|
|
{
|
|
if (magnitude_squared > 1.0f)
|
|
{
|
|
movement = vmq::normalize(movement);
|
|
}
|
|
|
|
orbit_cam->move(movement * movement_speed);
|
|
}
|
|
|
|
float ascention = 0.0f;
|
|
if (ascend_control.is_active())
|
|
ascention += ascend_control.get_current_value();
|
|
if (descend_control.is_active())
|
|
ascention -= descend_control.get_current_value();
|
|
|
|
if (ascention)
|
|
{
|
|
float old_depth = -orbit_cam->get_target_focal_point()[1];
|
|
|
|
orbit_cam->set_target_focal_point(orbit_cam->get_target_focal_point() + float3{0.0f, ascention * movement_speed, 0.0f});
|
|
|
|
if (nest)
|
|
{
|
|
float3 focal_point = orbit_cam->get_target_focal_point();
|
|
float depth = -focal_point[1];
|
|
|
|
float delta_shaft_angle = nest->get_shaft_angle(*nest->get_central_shaft(), depth) - nest->get_shaft_angle(*nest->get_central_shaft(), old_depth);
|
|
|
|
//orbit_cam->set_target_azimuth(orbit_cam->get_target_azimuth() - delta_shaft_angle);
|
|
orbit_cam->set_target_focal_point(nest->get_shaft_position(*nest->get_central_shaft(), depth));
|
|
}
|
|
}
|
|
|
|
orbit_cam->update(dt);
|
|
|
|
camera* camera = orbit_cam->get_camera();
|
|
|
|
float3 pick_near = camera->unproject({mouse_position[0], viewport[3] - mouse_position[1], 0.0f}, viewport);
|
|
float3 pick_far = camera->unproject({mouse_position[0], viewport[3] - mouse_position[1], 1.0f}, viewport);
|
|
float3 pick_direction = vmq::normalize(pick_far - pick_near);
|
|
ray<float> picking_ray = {pick_near, pick_direction};
|
|
plane<float> ground_plane = {float3{0, 1, 0}, 0.0f};
|
|
|
|
auto intersection_result = ray_plane_intersection(picking_ray, ground_plane);
|
|
if (std::get<0>(intersection_result))
|
|
{
|
|
float3 pick = picking_ray.extrapolate(std::get<1>(intersection_result));
|
|
if (tool)
|
|
tool->set_translation(pick);
|
|
}
|
|
|
|
if (toggle_view_control.is_active() && !toggle_view_control.was_active())
|
|
{
|
|
}
|
|
|
|
|
|
// Turn flashlight
|
|
|
|
|
|
float2 viewport_center = {(viewport[0] + viewport[2]) * 0.5f, (viewport[1] + viewport[3]) * 0.5f};
|
|
float2 mouse_direction = vmq::normalize(mouse_position - viewport_center);
|
|
old_mouse_angle = mouse_angle;
|
|
mouse_angle = std::atan2(-mouse_direction.y, mouse_direction.x);
|
|
|
|
if (mouse_angle - old_mouse_angle != 0.0f)
|
|
{
|
|
|
|
|
|
if (mouse_angle - old_mouse_angle <= -vmq::pi<float>)
|
|
flashlight_turns_i -= 1;
|
|
else if (mouse_angle - old_mouse_angle >= vmq::pi<float>)
|
|
flashlight_turns_i += 1;
|
|
|
|
flashlight_turns_f = (mouse_angle) / vmq::two_pi<float>;
|
|
flashlight_turns = flashlight_turns_i - flashlight_turns_f;
|
|
|
|
if (flashlight && nest)
|
|
{
|
|
transform<float> flashlight_transform = vmq::identity_transform<float>;
|
|
|
|
float flashlight_depth = nest->get_shaft_depth(*nest->get_central_shaft(), flashlight_turns);
|
|
|
|
flashlight_transform.translation = {0.0f, -flashlight_depth, 0.0f};
|
|
flashlight_transform.rotation = vmq::angle_axis(-flashlight_turns * vmq::two_pi<float> + vmq::half_pi<float>, {0, 1, 0});
|
|
|
|
flashlight->set_transform(flashlight_transform);
|
|
flashlight_light_cone->set_transform(flashlight_transform);
|
|
|
|
if (underworld_camera)
|
|
{
|
|
underworld_camera->look_at({0, -flashlight_depth + 50.0f, 0}, {0, -flashlight_depth, 0}, {0, 0, -1});
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void control_system::set_orbit_cam(::orbit_cam* orbit_cam)
|
|
{
|
|
this->orbit_cam = orbit_cam;
|
|
}
|
|
|
|
void control_system::set_nest(::nest* nest)
|
|
{
|
|
this->nest = nest;
|
|
}
|
|
|
|
void control_system::set_tool(model_instance* tool)
|
|
{
|
|
this->tool = tool;
|
|
}
|
|
|
|
void control_system::set_flashlight(model_instance* flashlight, model_instance* light_cone)
|
|
{
|
|
this->flashlight = flashlight;
|
|
this->flashlight_light_cone = light_cone;
|
|
}
|
|
|
|
void control_system::set_viewport(const float4& viewport)
|
|
{
|
|
this->viewport = viewport;
|
|
}
|
|
|
|
void control_system::set_underworld_camera(::camera* camera)
|
|
{
|
|
this->underworld_camera = camera;
|
|
}
|
|
|
|
void control_system::handle_event(const mouse_moved_event& event)
|
|
{
|
|
if (adjust_camera_control.is_active())
|
|
{
|
|
bool invert_x = true;
|
|
bool invert_y = false;
|
|
|
|
float rotation_factor = event.dx;
|
|
float elevation_factor = event.dy;
|
|
|
|
if (invert_x)
|
|
{
|
|
rotation_factor *= -1.0f;
|
|
}
|
|
if (invert_y)
|
|
{
|
|
elevation_factor *= -1.0f;
|
|
}
|
|
|
|
float rotation = vmq::radians(22.5f) * rotation_factor * timestep;
|
|
float elevation = orbit_cam->get_target_elevation() + elevation_factor * 0.25f * timestep;
|
|
elevation = std::min<float>(max_elevation, std::max<float>(min_elevation, elevation));
|
|
|
|
orbit_cam->rotate(rotation);
|
|
orbit_cam->set_target_elevation(elevation);
|
|
}
|
|
else if (!adjust_camera_control.was_active())
|
|
{
|
|
mouse_position[0] = event.x;
|
|
mouse_position[1] = event.y;
|
|
}
|
|
}
|
|
|