+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#if !defined(INCLUDED_RENDERER_H)
-#define INCLUDED_RENDERER_H
-
-#include "irender.h"
-#include "renderable.h"
-#include "iselection.h"
-#include "cullable.h"
-#include "scenelib.h"
-#include "math/frustum.h"
-#include <vector>
-
-inline Cullable* Instance_getCullable(scene::Instance& instance)
-{
- return InstanceTypeCast<Cullable>::cast(instance);
-}
-
-inline Renderable* Instance_getRenderable(scene::Instance& instance)
-{
- return InstanceTypeCast<Renderable>::cast(instance);
-}
-
-inline VolumeIntersectionValue Cullable_testVisible(scene::Instance& instance, const VolumeTest& volume, VolumeIntersectionValue parentVisible)
-{
- if(parentVisible == c_volumePartial)
- {
- Cullable* cullable = Instance_getCullable(instance);
- if(cullable != 0)
- {
- return cullable->intersectVolume(volume, instance.localToWorld());
- }
- }
- return parentVisible;
-}
-
-template<typename _Walker>
-class CullingWalker
-{
- const VolumeTest& m_volume;
- const _Walker& m_walker;
-public:
- CullingWalker(const VolumeTest& volume, const _Walker& walker)
- : m_volume(volume), m_walker(walker)
- {
- }
- bool pre(const scene::Path& path, scene::Instance& instance, VolumeIntersectionValue parentVisible) const
- {
- VolumeIntersectionValue visible = Cullable_testVisible(instance, m_volume, parentVisible);
- if(visible != c_volumeOutside)
- {
- return m_walker.pre(path, instance);
- }
- return true;
- }
- void post(const scene::Path& path, scene::Instance& instance, VolumeIntersectionValue parentVisible) const
- {
- return m_walker.post(path, instance);
- }
-};
-
-template<typename Walker_>
-class ForEachVisible : public scene::Graph::Walker
-{
- const VolumeTest& m_volume;
- const Walker_& m_walker;
- mutable std::vector<VolumeIntersectionValue> m_state;
-public:
- ForEachVisible(const VolumeTest& volume, const Walker_& walker)
- : m_volume(volume), m_walker(walker)
- {
- m_state.push_back(c_volumePartial);
- }
- bool pre(const scene::Path& path, scene::Instance& instance) const
- {
- VolumeIntersectionValue visible = (path.top().get().visible()) ? m_state.back() : c_volumeOutside;
-
- if(visible == c_volumePartial)
- {
- visible = m_volume.TestAABB(instance.worldAABB());
- }
-
- m_state.push_back(visible);
-
- if(visible == c_volumeOutside)
- {
- return false;
- }
- else
- {
- return m_walker.pre(path, instance, m_state.back());
- }
- }
- void post(const scene::Path& path, scene::Instance& instance) const
- {
- if(m_state.back() != c_volumeOutside)
- {
- m_walker.post(path, instance, m_state.back());
- }
-
- m_state.pop_back();
- }
-};
-
-template<typename Functor>
-inline void Scene_forEachVisible(scene::Graph& graph, const VolumeTest& volume, const Functor& functor)
-{
- graph.traverse(ForEachVisible< CullingWalker<Functor> >(volume, CullingWalker<Functor>(volume, functor)));
-}
-
-class RenderHighlighted
-{
- Renderer& m_renderer;
- const VolumeTest& m_volume;
-public:
- RenderHighlighted(Renderer& renderer, const VolumeTest& volume)
- : m_renderer(renderer), m_volume(volume)
- {
- }
- void render(const Renderable& renderable) const
- {
- switch(m_renderer.getStyle())
- {
- case Renderer::eFullMaterials:
- renderable.renderSolid(m_renderer, m_volume);
- break;
- case Renderer::eWireframeOnly:
- renderable.renderWireframe(m_renderer, m_volume);
- break;
- }
- }
- typedef ConstMemberCaller1<RenderHighlighted, const Renderable&, &RenderHighlighted::render> RenderCaller;
-
- bool pre(const scene::Path& path, scene::Instance& instance, VolumeIntersectionValue parentVisible) const
- {
- m_renderer.PushState();
-
- if(Cullable_testVisible(instance, m_volume, parentVisible) != c_volumeOutside)
- {
- Renderable* renderable = Instance_getRenderable(instance);
- if(renderable)
- {
- renderable->viewChanged();
- }
-
- Selectable* selectable = Instance_getSelectable(instance);
- if(selectable != 0 && selectable->isSelected())
- {
- if(GlobalSelectionSystem().Mode() != SelectionSystem::eComponent)
- {
- m_renderer.Highlight(Renderer::eFace);
- }
- else if(renderable)
- {
- renderable->renderComponents(m_renderer, m_volume);
- }
- m_renderer.Highlight(Renderer::ePrimitive);
- }
-
- if(renderable)
- {
- render(*renderable);
- }
- }
-
- return true;
- }
- void post(const scene::Path& path, scene::Instance& instance, VolumeIntersectionValue parentVisible) const
- {
- m_renderer.PopState();
- }
-};
-
-inline void Scene_Render(Renderer& renderer, const VolumeTest& volume)
-{
- GlobalSceneGraph().traverse(ForEachVisible<RenderHighlighted>(volume, RenderHighlighted(renderer, volume)));
- GlobalShaderCache().forEachRenderable(RenderHighlighted::RenderCaller(RenderHighlighted(renderer, volume)));
-}
-
-#endif