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Diffstat (limited to 'src/core/render/backend/renderscenebuilder.cpp')
-rw-r--r-- | src/core/render/backend/renderscenebuilder.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/core/render/backend/renderscenebuilder.cpp b/src/core/render/backend/renderscenebuilder.cpp new file mode 100644 index 000000000..9e861d65f --- /dev/null +++ b/src/core/render/backend/renderscenebuilder.cpp @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "renderscenebuilder.h" + +#include "meshmanager.h" +#include "renderer.h" +#include "rendernode.h" + +#include <camera.h> +#include <material.h> +#include <mesh.h> +#include <transform.h> + +#include <entity.h> + +namespace Qt3D { +namespace Render { + +RenderSceneBuilder::RenderSceneBuilder(Renderer *renderer) + : Qt3D::NodeVisitor() + , m_renderer(renderer) + , m_rootNode(0) +{ +} + +void RenderSceneBuilder::visitNode(Qt3D::Node *node) +{ + if (!m_rootNode) { + m_rootNode = new RenderNode(m_renderer->rendererAspect()); + m_rootNode->m_frontEndPeer = node; + m_nodeStack.push(m_rootNode); + } + + Qt3D::NodeVisitor::visitNode(node); +} + +void RenderSceneBuilder::visitEntity(Qt3D::Entity *entity) +{ + // Create a RenderNode corresponding to the Entity. Most data will + // be calculated later by jobs + RenderNode *renderNode = new RenderNode(m_renderer->rendererAspect(), m_nodeStack.top()); + renderNode->m_frontEndPeer = entity; + *(renderNode->m_localTransform) = entity->matrix(); + m_nodeStack.push(renderNode); + + // Look for a transform component + QList<Transform *> transforms = entity->componentsOfType<Transform>(); + if (!transforms.isEmpty()) + renderNode->setPeer(transforms.first()); + +// QList<Material *> materials = entity->componentsOfType<Material>(); +// Material *material = 0; +// if (!materials.isEmpty()) +// material = materials.first(); + + // We'll update matrices in a job later. In fact should the matrix be decoupled from the mesh? + foreach (Mesh *mesh, entity->componentsOfType<Mesh>()) { + m_renderer->meshManager()->addMesh(mesh); + //m_renderer->buildMeshes(mesh, material, QMatrix4x4()); + } + + //foreach (Camera *camera, entity->componentsOfType<Camera>()) + // m_renderer->foundCamera(camera, entity->sceneMatrix()); + + NodeVisitor::visitEntity(entity); + + // Coming back up the tree + m_nodeStack.pop(); +} + +} // namespace Render +} // namespace Qt3D |