109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////
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// CSpeedTreeForest Class
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//
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// (c) 2003 IDV, Inc.
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//
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// This class is provided to illustrate one way to incorporate
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// SpeedTreeRT into an OpenGL application. All of the SpeedTreeRT
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// calls that must be made on a per tree basis are done by this class.
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// Calls that apply to all trees (i.e. static SpeedTreeRT functions)
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// are made in the functions in main.cpp.
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//
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//
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// *** INTERACTIVE DATA VISUALIZATION (IDV) PROPRIETARY INFORMATION ***
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//
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// This software is supplied under the terms of a license agreement or
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// nondisclosure agreement with Interactive Data Visualization and may
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// not be copied or disclosed except in accordance with the terms of
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// that agreement.
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//
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// Copyright (c) 2001-2003 IDV, Inc.
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// All Rights Reserved.
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//
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// IDV, Inc.
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// 1233 Washington St. Suite 610
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// Columbia, SC 29201
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// Voice: (803) 799-1699
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// Fax: (803) 931-0320
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// Web: http://www.idvinc.com
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#pragma once
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///////////////////////////////////////////////////////////////////////
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// Include Files
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#include <SpeedTreeRT.h>
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#include "SpeedTreeWrapper.h"
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#include <vector>
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#include <map>
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///////////////////////////////////////////////////////////////////////
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// Render bit vector
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#define Forest_RenderBranches (1 << 0)
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#define Forest_RenderLeaves (1 << 1)
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#define Forest_RenderFronds (1 << 2)
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#define Forest_RenderBillboards (1 << 3)
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#define Forest_RenderAll ((1 << 4) - 1)
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#define Forest_RenderToShadow (1 << 5)
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#define Forest_RenderToMiniMap (1 << 6)
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///////////////////////////////////////////////////////////////////////
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// class CSpeedTreeForest declaration
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class CSpeedTreeForest
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{
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public:
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typedef std::map<DWORD, CSpeedTreeWrapper *> TTreeMap;
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public:
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CSpeedTreeForest();
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virtual ~CSpeedTreeForest();
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void ClearMainTree();
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BOOL GetMainTree(DWORD dwCRC, CSpeedTreeWrapper ** ppMainTree, const char * c_pszFileName);
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CSpeedTreeWrapper * GetMainTree(DWORD dwCRC);
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void DeleteMainTree(DWORD dwCRC);
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CSpeedTreeWrapper * CreateInstance(float x, float y, float z, DWORD dwTreeCRC, const char * c_pszTreeName);
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void DeleteInstance(CSpeedTreeWrapper * pTree);
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//void SetLodLimits(void);
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void UpdateSystem(float fCurrentTime);
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void Clear();
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void SetLight(const float * afDirection, const float * afAmbient, const float * afDiffuse);
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void SetFog(float fFogNear, float fFogFar);
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//////////////////////////////////////////////////////////////////////////
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const float * GetExtents(void) const { return m_afForestExtents; }
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// wind management
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float GetWindStrength(void) const { return m_fWindStrength; }
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void SetWindStrength(float fStrength);
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void SetupWindMatrices(float fTimeInSecs);
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// overridden by specific graphics API
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virtual void UploadWindMatrix(unsigned int uiLocation, const float* pMatrix) const = 0;
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virtual void Render(unsigned long ulRenderBitVector) = 0;
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protected:
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TTreeMap m_pMainTreeMap;
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float m_afLighting[12];
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float m_afFog[4];
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private:
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void AdjustExtents(float x, float y, float z);
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float m_afForestExtents[6]; // [0] = min x, [1] = min y..., [3] = max x, [4] = max y...
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float m_fWindStrength; // 0.0 = no wind, 1.0 = full strength
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float m_fAccumTime;
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};
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