350 lines
9.6 KiB
C++
350 lines
9.6 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "vis/visentity.h"
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#include "vis/visserver.h"
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#include "vis/vissystems/visquadtree.h"
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#include "graphicsystem/Renderable/RenderObject.h"
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#include "RenderScene.h"
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#include "ViewPortWindow.h"
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#include "GraphicSystem.h"
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#include "Camera/Camera.h"
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namespace Graphic
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{
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static const int QuadTreeDepth = 7;
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extern const Math::float4 AmbientColorOfDefaultLight(0.198f, 0.198f, 0.198f, 1.0f); // 50 50 50 255
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struct LightsSort : public std::binary_function<const Light*, const Light*, std::size_t>
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{
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bool operator() (const Light* lhs, const Light* rhs) const
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{
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if (lhs->GetLightType() > Light::eDirectionalLight && rhs->GetLightType() > Light::eDirectionalLight)//会衰减的光源还是按原来的顺序排。相对位置不做调整。
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{
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return false;
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}
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else
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{
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return lhs->GetLightType() < rhs->GetLightType();
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}
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}
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};
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struct CameraSort : public std::binary_function<const GPtr<Camera>, const GPtr<Camera>, std::size_t>
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{
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bool operator() (const GPtr<Camera> lhs, const GPtr<Camera> rhs) const
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{
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ViewPortWindow* lhvp = (NULL == lhs->GetTargetWindow()) ? default_window : lhs->GetTargetWindow();
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ViewPortWindow* rhvp = (NULL == rhs->GetTargetWindow()) ? default_window : rhs->GetTargetWindow();
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if(default_camera && lhs == default_camera)
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return false;
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if(default_camera && rhs == default_camera)
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return true;
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if (lhvp != rhvp)
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{
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return lhvp->GetType() < rhvp->GetType();
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}
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return lhs->GetCameraOrder() < rhs->GetCameraOrder();
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}
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ViewPortWindow* default_window;
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GPtr<Camera> default_camera;
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CameraSort(ViewPortWindow* _default,GPtr<Camera> _camera)
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{
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default_window = _default;
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default_camera = _camera;
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}
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};
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RenderScene::Environment::Environment()
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:fogColor(0.5f,0.5f,0.5f,0.0f)
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,fogParam(0.0f,2000.f,0.0f,-1.0f)
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,ambientColor(AmbientColorOfDefaultLight)
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,softShadowParam(0.3f,1.0f,0.f,0.f)
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,shadowStrength(0.f,0.f,0.f,1.f)
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,graivty(0.0f,-9.81f,0.0f)
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,skinWidth(0.025f)
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,bounce(0.0f)
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,sleepVel(0.5f)
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,sleepAngular(0.5f)
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,maxAngular(7.0f)
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,defaultMat("")
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{
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layerIDArray.Resize(32,0xffffffff);
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}
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RenderScene::RenderScene()
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:mEnvironment(NULL)
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,mDefaultCamera(NULL)
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{
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}
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RenderScene::~RenderScene()
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{
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}
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void RenderScene::Setup()
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{
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n_assert(!mVisServer.isvalid());
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mVisServer = Vis::VisServer::Create();
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GPtr<Vis::VisQuadtree> pQuadTree = Vis::VisQuadtree::Create();
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// @Todo 应该允许外部设置
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pQuadTree->SetQuadTreeSettings( QuadTreeDepth, Math::bbox( Math::point(0,0,0), Math::vector(1000,1000,1000 )) );
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mVisServer->AttachVisSystem( pQuadTree.upcast<Vis::VisSystemBase>() );
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mVisServer->Open();
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GraphicSystem::Instance()->AddRenderScene(this);
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}
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void RenderScene::ApplyEnvironment() const
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{
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if (mEnvironment)
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{
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Graphic::GlobalMaterialParam* globalMaterialParam = Graphic::Material::GetGlobalMaterialParams();
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if (globalMaterialParam)
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{
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globalMaterialParam->SetVectorParam(Graphic::eGShaderVecAmbientColor, mEnvironment->ambientColor);
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globalMaterialParam->SetVectorParam(Graphic::eGShaderVecFogColor, mEnvironment->fogColor);
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globalMaterialParam->SetVectorParam(Graphic::eGShaderVecFogParam, mEnvironment->fogParam);
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globalMaterialParam->SetVectorParam(Graphic::eGShaderVecSoftShadowParam, mEnvironment->softShadowParam);
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//globalMaterialParam->SetVectorParam(Graphic::eGShaderVecShadowColor, mEnvironment->shadowStrength);
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}
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else
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{
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n_warning("WARNING! GlobalMaterialParam is null.");
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}
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}
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}
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void RenderScene::_AddLight(Light* light)
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{
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n_assert(light);
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//[zhongdaohuan]光照类型排序，应该是先eSunLight，然后eDirectionalLight，然后其他会衰减的光源
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Light::LightType light_type = light->GetLightType();
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int count = mLights.Size();
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if (Light::eSunLight == light_type)
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{
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if (count > 0 && Light::eSunLight == mLights[0]->GetLightType())//eSunLight应该是唯一的。
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{
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mLights[0] = light;
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}
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else if (count > 0 && Light::eSunLight != mLights[0]->GetLightType())
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{
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mLights.Insert(0, light);
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}
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else
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{
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mLights.Append(light);
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}
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}
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else if (Light::eDirectionalLight == light_type)
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{
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if (count > 0)
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{
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size_t insertPos = mLights.Size() - 1;
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for ( ;insertPos >= 0; --insertPos)
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{
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Light::LightType lightType = mLights[insertPos]->GetLightType();
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if ( lightType <= Light::eDirectionalLight )
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{
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break;
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}
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}
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mLights.Insert(insertPos+1,light);
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}
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else
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{
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mLights.Append(light);
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}
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}
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else //会衰减的光源，先到先占位，不作排序
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{
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mLights.Append(light);
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}
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}
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void RenderScene::_RemoveLight(Light* light)
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{
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Lights::Iterator it = mLights.Find(light);
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if (NULL != it)
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{
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mLights.Erase(it);
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}
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}
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void RenderScene::_SortLights()
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{
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Util::CustomSortArray<Light*, LightsSort>(mLights);
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}
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Light* RenderScene::GetSunLight() const
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{
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if (mLights.Size())
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{
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if (Light::eSunLight == mLights[0]->GetLightType())
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{
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return mLights[0];
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}
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}
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return NULL;
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}
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void RenderScene::Destroy()
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{
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mCameraList.Clear();
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mDefaultCamera = NULL;
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if (mVisServer)
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{
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mVisServer->Close();
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}
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GraphicSystem::Instance()->RemoveRenderScene(this);
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}
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//------------------------------------------------------------------------
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void RenderScene::_AddRenderObject(RenderObject* obj)
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{
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n_assert(NULL != obj);
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n_assert(!obj->_GetVisEnt().isvalid());
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GPtr<Vis::VisEntity> pVisEnt = Vis::VisEntity::Create();
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obj->_SetVisEnt(pVisEnt, this);
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mVisServer->RegisterVisEntity(pVisEnt, 0);
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}
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void RenderScene::_RemoveRenderObject(RenderObject* obj)
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{
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n_assert(NULL != obj);
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n_assert(obj->_GetVisEnt().isvalid());
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mVisServer->UnregisterVisEntity( obj->_GetVisEnt(), 0 );
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obj->_SetVisEnt( NULL , NULL);
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}
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//------------------------------------------------------------------------
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void RenderScene::_AddRenderObjectNotCull(RenderObject* obj)
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{
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n_assert(obj);
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n_assert(!obj->_GetVisEnt().isvalid());
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mNotCullRenderObjects.Append(obj);
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}
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//------------------------------------------------------------------------
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void RenderScene::_RemoveRenderObjectNotCull(RenderObject* obj)
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{
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n_assert(obj);
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n_assert(!obj->_GetVisEnt().isvalid());
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IndexT i = mNotCullRenderObjects.FindIndex(obj);
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if( InvalidIndex != i )
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{
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mNotCullRenderObjects.EraseIndex(i);
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}
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}
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//------------------------------------------------------------------------
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GPtr<Vis::VisQuery> RenderScene::Cull(const Camera& camera)
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{
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return Cull(camera.GetViewProjTransform(), camera.GetTransform().get_position());
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}
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//------------------------------------------------------------------------
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GPtr<Vis::VisQuery> RenderScene::Cull(const Math::matrix44& viewProj, const Math::float4& pos)
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{
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n_assert( mVisServer.isvalid() );
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GPtr<Vis::ObserverContext> observer = Vis::ObserverContext::Create();
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observer->Setup(viewProj, pos);
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return mVisServer->PerformVisQuery(observer, Util::Array<IndexT>() );
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}
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//------------------------------------------------------------------------
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// internal call
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void RenderScene::_UpdateVisEntity(const GPtr<Vis::VisEntity>& visEnt )
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{
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n_assert( visEnt.isvalid() );
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n_assert( mVisServer.isvalid() );
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mVisServer->UpdateVisEntity( visEnt );
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}
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//------------------------------------------------------------------------
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const bool RenderScene::HasLight() const
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{
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return !mLights.IsEmpty();
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}
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//------------------------------------------------------------------------
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void RenderScene::_AddCamera(Camera* camera)
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{
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n_assert(camera);
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mCameraList.Append(camera);
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_SortCameraList();
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}
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//------------------------------------------------------------------------
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void RenderScene::_RemoveCamera(const Camera* camera)
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{
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for (int i = 0; i < mCameraList.Size(); ++i)
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{
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if (camera == mCameraList[i])
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{
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mCameraList.EraseIndex(i);
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}
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}
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}
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//------------------------------------------------------------------------
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void RenderScene::_SortCameraList()
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{
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CameraSort order(GraphicSystem::Instance()->GetMainViewPortWindow(),mDefaultCamera);
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Util::CustomSortArray<GPtr<Camera>, CameraSort>(mCameraList, order);
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}
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//------------------------------------------------------------------------
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void RenderScene::SetDefaultCamera(Camera* camera)
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{
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for (CameraList::Iterator it = mCameraList.Begin(); it != mCameraList.End(); ++it)
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{
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if (camera == (*it))
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{
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mDefaultCamera = camera;
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_SortCameraList();
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return;
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}
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}
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}
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} |