💿🐜 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.
96 lines
2.6 KiB
96 lines
2.6 KiB
/*
|
|
* Copyright (C) 2017-2019 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 "tool-system.hpp"
|
|
|
|
ToolSystem::ToolSystem(ComponentManager* componentManager):
|
|
System(componentManager),
|
|
tools(componentManager),
|
|
picked(false)
|
|
{
|
|
tools.addGroupObserver(this);
|
|
}
|
|
|
|
ToolSystem::~ToolSystem()
|
|
{}
|
|
|
|
void ToolSystem::update(float t, float dt)
|
|
{
|
|
pick();
|
|
|
|
auto members = tools.getMembers();
|
|
for (const ToolGroup::Member* member: *members)
|
|
{
|
|
ModelComponent* model = std::get<0>(member->components);
|
|
ToolComponent* tool = std::get<1>(member->components);
|
|
TransformComponent* transform = std::get<2>(member->components);
|
|
|
|
model->model.setActive(tool->active);
|
|
|
|
if (picked)
|
|
{
|
|
transform->transform.translation = mouseWorldPosition;
|
|
}
|
|
}
|
|
|
|
picked = false;
|
|
}
|
|
|
|
void ToolSystem::setPickingCamera(const Camera* camera)
|
|
{
|
|
pickingCamera = camera;
|
|
}
|
|
|
|
void ToolSystem::setPickingViewport(const Vector4& viewport)
|
|
{
|
|
pickingViewport = viewport;
|
|
}
|
|
|
|
void ToolSystem::pick()
|
|
{
|
|
Vector3 mouseNear = pickingCamera->unproject(Vector3(mouseScreenPosition, 0.0f), pickingViewport);
|
|
Vector3 mouseFar = pickingCamera->unproject(Vector3(mouseScreenPosition, 1.0f), pickingViewport);
|
|
|
|
Ray pickingRay;
|
|
pickingRay.origin = mouseNear;
|
|
pickingRay.direction = glm::normalize(mouseFar - mouseNear);
|
|
Plane pickingPlane(Vector3(0.0f, 1.0f, 0.0f), Vector3(0.0f));
|
|
|
|
auto pickingIntersection = pickingRay.intersects(pickingPlane);
|
|
picked = std::get<0>(pickingIntersection);
|
|
if (picked)
|
|
{
|
|
mouseWorldPosition = pickingRay.extrapolate(std::get<1>(pickingIntersection));
|
|
}
|
|
}
|
|
|
|
void ToolSystem::memberRegistered(const ToolGroup::Member* member)
|
|
{
|
|
ToolComponent* tool = std::get<1>(member->components);
|
|
tool->active = false;
|
|
}
|
|
|
|
void ToolSystem::memberUnregistered(const ToolGroup::Member* member)
|
|
{}
|
|
|
|
void ToolSystem::handleEvent(const MouseMovedEvent& event)
|
|
{
|
|
mouseScreenPosition = Vector2(event.x, pickingViewport[3] - event.y);
|
|
}
|
|
|