💿🐜 Antkeeper source code
https://antkeeper.com
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84 lines
2.7 KiB
84 lines
2.7 KiB
/*
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* Copyright (C) 2017-2019 Christopher J. Howard
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*
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* This file is part of Antkeeper Source Code.
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*
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* Antkeeper Source Code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper Source Code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "render-system.hpp"
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RenderSystem::RenderSystem(ComponentManager* componentManager, Scene* scene):
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System(componentManager),
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cameraGroup(componentManager),
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modelGroup(componentManager),
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scene(scene)
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{
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cameraGroup.addGroupObserver(this);
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modelGroup.addGroupObserver(this);
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}
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RenderSystem::~RenderSystem()
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{}
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void RenderSystem::update(float t, float dt)
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{
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// Update transform of all cameras
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for (const CameraGroup::Member* member: *cameraGroup.getMembers())
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{
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CameraComponent* camera = std::get<0>(member->components);
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TransformComponent* transform = std::get<1>(member->components);
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Vector3 forward = glm::normalize(transform->transform.rotation * Vector3(0.0f, 0.0f, -1.0f));
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Vector3 up = glm::normalize(transform->transform.rotation * Vector3(0.0f, 1.0f, 0.0f));
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Vector3 right = glm::normalize(glm::cross(forward, up));
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camera->camera->lookAt(transform->transform.translation, transform->transform.translation + forward, up);
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//camera->camera->setTransform(transform->transform);
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}
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// Update transform of all model instances
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for (const ModelGroup::Member* member: *modelGroup.getMembers())
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{
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ModelComponent* model = std::get<0>(member->components);
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TransformComponent* transform = std::get<1>(member->components);
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model->model.setTransform(transform->transform);
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}
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}
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void RenderSystem::memberRegistered(const CameraGroup::Member* member)
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{
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CameraComponent* camera = std::get<0>(member->components);
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scene->addObject(camera->camera);
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}
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void RenderSystem::memberUnregistered(const CameraGroup::Member* member)
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{
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CameraComponent* camera = std::get<0>(member->components);
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scene->removeObject(camera->camera);
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}
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void RenderSystem::memberRegistered(const ModelGroup::Member* member)
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{
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ModelComponent* model = std::get<0>(member->components);
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scene->addObject(&model->model);
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}
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void RenderSystem::memberUnregistered(const ModelGroup::Member* member)
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{
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ModelComponent* model = std::get<0>(member->components);
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scene->removeObject(&model->model);
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}
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