477 lines
15 KiB
C++
477 lines
15 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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#pragma once
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#ifndef __TERRAINRENDERCOMPONENT_H__
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#define __TERRAINRENDERCOMPONENT_H__
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#include "graphicfeature/components/rendercomponent.h"
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#include "graphicsystem/Material/materialinstance.h"
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#include "appframework/actor.h"
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#include "graphicsystem/Camera/Camera.h"
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#include "resource/rawres.h"
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#include "terrainfeature/components/TerrainNodeTree.h"
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#include "terrainsystem/TerrainDataSource.h"
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#include "Lightmap/lightmapSetting.h"
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namespace App
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{
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const int sMaxControlMapSizeSize = 32;
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struct TerrainSettings
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{
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public:
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TerrainSettings():width(0.0f),length(0.0f),topheight(0.0f),baseheight(0.0f),heightmapRes(0.0f)
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{}
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float width;
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float length;
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float topheight;
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float baseheight;
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float heightmapRes;//heightMap resolution
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};
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class TerrainRenderObject;
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class TerrainRenderComponent: public RenderComponent
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{
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__DeclareSubClass(TerrainRenderComponent, RenderComponent);
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public:
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typedef TerrainRenderObject RenderObjectType;
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typedef GPtr<RenderObjectType> TerrainRenderObjectPtr;
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typedef Util::Dictionary<IndexT, TerrainRenderObjectPtr> TerrainRenderObjects;
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public:
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TerrainRenderComponent();
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virtual ~TerrainRenderComponent();
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protected:
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/// @Component::OnActivate called from Actor::ActivateComponents()
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virtual void OnActivate();
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/// @Component::OnDeactivate called from Actor::DeactivateComponents()
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virtual void OnDeactivate();
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virtual void OnRenderSceneChanged();
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/// @Component::_OnBeginFrame called after movement has happened.
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virtual void _OnBeginFrame();
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/// called before rendering happens
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virtual void _OnFrame();
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virtual void _OnEndFrame();
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/// @Component::Component called after movement has happened.
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virtual void _OnMoveAfter();
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public:
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/// @Component::SetupCallbacks setup callbacks for this component, call by Actor in OnActivate()
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virtual void SetupCallbacks();
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virtual void UpdateRenderLayer();
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virtual void StandaloneRender(const GPtr<Graphic::Material>& customMat);
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virtual void SetMaterialID( IndexT iSubMesh, const Resources::ResourceId& matID,const bool bCopy = false,Resources::Priority p = 0);
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virtual void InsertMaterialID( IndexT iSubMesh, const Resources::ResourceId& matID,const bool bCopy = false );
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virtual void SetMaterialByShaderID( IndexT iSubMesh, const Resources::ResourceId& shaderID,const bool bSave = true,Resources::Priority p = 0 );
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virtual void ModifyMaterialShaderID( IndexT iSubMesh, const Resources::ResourceId& shaderID);
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virtual void GetReferenceResourceId(Util::Array<Resources::ReferenceResource>& list) const;
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virtual void SetVisible(bool bVisible);
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virtual void SetCastShadow( bool bCastShadow );
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virtual bool GetCastShadow();
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virtual void SetReceiveShadow( bool bReceiveShadow );
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virtual bool GetReceiveShadow();
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protected:
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Resources::TextureResInfo* _GetTextureParam(IndexT index,const Graphic::ShaderParamString& shdTexKey);
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void _SetMaterialTextureParam(IndexT matIndex, const ShaderParamString& paramName, const Resources::ResourceId& texID, Resources::Priority priority = Resources::ResourcePriority::TextureDefault);
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/// Set texture's tileSize and tileOffset
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void _SetMaterialTileOffsetParam(IndexT index, const ShaderParamString& paramName, const Math::float4& value);
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void _ModifyTerrainMaterialDir(const Resources::ResourceId& oldMatID,Resources::ResourceId& outMatID);
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//===============================================================================================================
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//TerrainData
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public:
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GPtr<Terrain::TerrainDataSource>& GetTerrainDataSource(void) { return m_TerrainDataSource; }
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const GPtr<Terrain::TerrainDataSource>& GetTerrainDataSource(void) const { return m_TerrainDataSource; }
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//Get for intersect
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TerrainNode* GetRootNode(){return m_TerrainTree->GetRootNode();}
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RenderBase::PrimitiveTopology::Code GetPrimitiveTopology(void) const;
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protected:
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GPtr<Terrain::TerrainDataSource> m_TerrainDataSource; // Terrain's data
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GPtr<TerrainNodeTree> m_TerrainTree; // manage terrain's LOD Node and render data
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Math::matrix44 m_TerrainWordTransform; // terrain's world transform, can only translate, can not scale or rotate
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bool mbCastShadow;
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bool mbReceiveShadow;
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//===============================================================================================================
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//TerrainRender
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public:
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void AttachNodeToRender(TerrainNode& node);
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void DeattachNodeFromRender(TerrainNode& node);
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void RebuildAllNodes();
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void CheckRenderables();//called after material being setted
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// Get all terrain renderobject
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TerrainRenderComponent::TerrainRenderObjects GetAllRenderObjects();
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protected:
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void _ResetRenderableMark(int index);
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void _ClearRenderObjects();
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virtual void _UpdateShadow();
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/// check need or not update heightmap
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void _RebuildTerrainRenderData();
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// When height,hole data changed, call this to rebuild render data
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void _RequestRebuildEffecedNodePrimitive(int x,int y,int w,int h);
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protected:
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TerrainRenderObjects m_RenderObjects;
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bool m_bIsHeightMapDirty;
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//===============================================================================================================
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//TerrainSetting
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public:
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void ResetTerrainSetting(const TerrainSettings& settings);
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const Util::String& GetTerrainName(void) const;
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void SetTerrainName(const Util::String &name);
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Math::float3 GetTerrainSize(void) const;
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void SetTerrainSize(const Math::float3& size);
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int GetResolution(void) const;
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void SetResolution(int resolution);
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const int GetBaseHeight();
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void SetBaseHeight(int baseHeight);
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protected:
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Util::String m_TerrainName;
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int m_BaseHeight;
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//===============================================================================================================
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//HeightMap
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public:
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bool SetRawResID(const Resources::ResourceId& resId, Resources::Priority priority = Resources::ResourcePriority::Synchronization);
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const GPtr<Resources::RawResInfo> &GetRawResInfo(void) const { return m_RawResInfo; }
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/// Get normalized rawHeight
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void GetNormalizeHeights(int xStart, int yStart, int width, int height, Terrain::NormalizeLocalYArray& heights) const;
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void GetNormalizeHeights(int xStart, int yStart, int width, int height, float* heights) const;
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/// Set normalized rawHeight
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void SetNormalizeHeights(int xStart, int yStart, int width, int height, const Terrain::NormalizeLocalYArray& heights, bool forceMaxError = false);
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void SetNormalizeHeights(int xStart, int yStart, int width, int height, const float* heights, bool forceMaxError = false);
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void SetNormalizeHeights(GPtr<Resources::RawResInfo> &pInfo);
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float GetWorldYAtActorCoord(float fX, float fZ, int level = 0) const;
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protected:
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void _ResetHeightmapAttr(const float& defaultNormal, const float& fLow, const float& fHigh,const int& oldResolution, const int& newResolution);
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protected:
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GPtr<Resources::RawResInfo> m_RawResInfo;
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bool m_bIsResInfoDirty;
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//===============================================================================================================
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//Terrain LOD
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public:
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void ResetHeightLOD(int xStart, int yStart, int width, int height, bool heightChange, bool HoleChange);
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Math::scalar GetPixError() const;
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void SetPixError(const Math::scalar& val) ;
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protected:
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/// Update LOD status and render data
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void _UpdateLodAndRender( Graphic::Camera* camera );
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protected:
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Math::scalar m_PixelError;
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//===============================================================================================================
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//TerrainTexture
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/// add Shader ID.
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public:
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void CreateBaseMap();
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void CreateColorMap();
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bool _CreateControlMapTexture(Util::String mapName);
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const Util::String GetControlMapName(IndexT idx);
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//Base Map
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Math::scalar GetBaseMapDis() const;
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void SetBaseMapDis(const Math::scalar& val) ;
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protected:
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void _DeleteControlMap(const int index);
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void _UpdateBaseMap();
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void _UpdateColorMap();
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void _AddControlMaps(void);
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void _UpdateLayerBlendIndex();
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void _UpdataLayerControlMapName();
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int _GetLayerMapCount();
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/// convert tile size to tile count
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Math::float4 _ConvertTileSizeToTileCount(const Math::float2& tileSize, const Math::float2& offset);
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Math::float4 _ConvertTileCountToTileSize(const Math::float2& tileCount, const Math::float2& offset);
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protected:
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bool m_bIsTextureDirty;
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protected:
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Math::scalar m_BaseMapDis;
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//===============================================================================================================
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//Terrain Texture Brush
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public:
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const int GetBrushCount();
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Terrain::LayermapInfo GetBrushSetting(const int brushIndex);
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// brush color
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void SetBrushColor(IndexT brushIndex, Math::ColorF color);
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Math::ColorF GetBrushColor(IndexT brushIndex);
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/// change brush's data
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void AddMaterialBrush(const Resources::ResourceId &matID, const Math::float2 &size, const Math::float2 &offset, const Resources::ResourceId &texID, IndexT brushIndex = -1);
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void RemoveMaterialBrush(const int brushIndex);
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void ChangeBrushMaterial(const Resources::ResourceId &matID, IndexT brushIndex);
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void ChangeBrushTexture(IndexT brushIndex, const ShaderParamString ¶mName, const Resources::ResourceId &texID);
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void ChangeBrushTileOffset(IndexT brushIndex, Math::float2 tileSize, Math::float2 offset);
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bool CheckBrushMaterialParam(IndexT brushIndex, const ShaderParamString ¶mName);
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Util::String GetBrushMaterialID(IndexT brushIndex);
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Util::String GetBrushTextureName(IndexT brushIndex, const ShaderParamString ¶mName);
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Math::float4 GetBrushTileOffset(IndexT brushIndex);
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//BrushProjector
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#ifdef __GENESIS_EDITOR__
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void SetRenderProjector(bool isRender);
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bool GetRenderProjector() const;
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void SetBrushActor(const GPtr<Actor>& brushActor);
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#endif
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protected:
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Math::ColorF m_BrushColor;
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#ifdef __GENESIS_EDITOR__
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GPtr<Actor> mBrushActor;
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#endif
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//===============================================================================================================
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//Terrain Hole
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public:
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void GetHole(int holeX, int holeY, int holeW, int holeH,Terrain::HoleDataArray& dataArray);
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bool MakeHole(int holeX, int holeY, int holeW, int holeH,const Terrain::HoleDataArray& dataArray);
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bool MakeHole(int holeX, int holeY, int holeW, int holeH,uchar val);
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void _SetBitMasks(int holeX, int holeY, int holeW, int holeH,uchar val);
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uchar _GetBitMasks(int xUint, int yUint);
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bool IsHole(int holeX, int holeY);
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//===============================================================================================================
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// Serialization
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public:
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friend class TerrainRenderComponentSerialization;
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// @ISerialization::GetVersion. when change storage, must add SerializeVersion count
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virtual Version GetVersion() const;
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// @ISerialization::Load
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virtual void Load( Version ver, AppReader* pReader, const Serialization::SerializationArgs* args );
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// @ISerialization::Save
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virtual void Save( AppWriter* pWriter ) const;
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void SaveTerrainFile(void);
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//===============================================================================================================
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//LightMap
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public:
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void SetLightmapMode(LMMode lmMode) { m_LightmapMode = lmMode;}
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LMMode GetLightmapMode() const { return m_LightmapMode;}
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void SetLMSize(unsigned int lmSize);
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unsigned int GetLMSize() const;
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void SetLMIndex(int index);
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unsigned int GetLMIndex() const;
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void SetLMDirty();
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const RenderBase::TextureHandle& GetLMTextureHandle(int subIndex);
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bool IsUseLM() const;
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const bool IsLMTextureHandleValid();
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void ReflushLightmapHandle();
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private:
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// used for lightmap
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unsigned int mLMSize;
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unsigned int mLMIndex;
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bool mLMDirty;
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bool m_LMTexHandleValid;
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RenderBase::TextureHandle mLMHandle[3];
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LMMode m_LightmapMode;
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friend class TerrainRenderer;
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};
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inline const int TerrainRenderComponent::GetBrushCount()
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{
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return _GetLayerMapCount();
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}
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inline RenderBase::PrimitiveTopology::Code TerrainRenderComponent::GetPrimitiveTopology(void) const
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{
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return RenderBase::PrimitiveTopology::TriangleList;
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}
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inline Math::scalar TerrainRenderComponent::GetPixError() const
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{
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return m_PixelError;
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}
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inline void TerrainRenderComponent::SetPixError(const Math::scalar& val)
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{
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m_PixelError = val;
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}
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inline Math::scalar TerrainRenderComponent::GetBaseMapDis() const
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{
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return m_BaseMapDis;
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}
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inline void TerrainRenderComponent::SetBaseMapDis(const Math::scalar& val)
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{
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m_BaseMapDis = val;
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}
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inline void TerrainRenderComponent::SetLMSize(unsigned int lmSize)
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{
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mLMSize = lmSize;
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}
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inline unsigned int TerrainRenderComponent::GetLMSize() const
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{
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return mLMSize;
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}
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inline void TerrainRenderComponent::SetLMIndex(int index)
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{
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if ( index != mLMIndex)
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{
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mLMIndex = index;
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mLMDirty = true;
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}
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}
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inline unsigned int TerrainRenderComponent::GetLMIndex() const
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{
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return mLMIndex;
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}
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inline void TerrainRenderComponent::SetLMDirty()
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{
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mLMDirty = true;
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}
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inline const RenderBase::TextureHandle& TerrainRenderComponent::GetLMTextureHandle(int subIndex)
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{
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n_assert(subIndex >= 0 && subIndex <= m_LightmapMode)
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if (mLMDirty)
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{
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ReflushLightmapHandle();
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mLMDirty = false;
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}
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return mLMHandle[subIndex];
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}
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inline bool TerrainRenderComponent::IsUseLM() const
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{
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return mLMIndex != 0xFFFF;
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}
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inline void TerrainRenderComponent::ReflushLightmapHandle()
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{
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m_LMTexHandleValid = true;
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for (int i = 0; i <= m_LightmapMode; i++)
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{
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if ( IsUseLM() )
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{
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mLMHandle[i] = LightmapSetting::GetInstance().GetLightmapTexHandle( mLMIndex, i );
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}
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else
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{
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mLMHandle[i] = RenderBase::TextureHandle();
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}
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m_LMTexHandleValid = m_LMTexHandleValid && mLMHandle[i].IsValid();
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}
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}
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inline
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const bool TerrainRenderComponent::IsLMTextureHandleValid()
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{
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if ( mLMDirty )
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{
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ReflushLightmapHandle();
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mLMDirty = false;
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}
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return m_LMTexHandleValid;
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}
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}
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#endif//__TERRAINRENDERCOMPONENT_H__
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