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Editor/OBJExporter1.h

@@ -0,0 +1,107 @@
+// OBJExporter1.h: interface for the COBJExporter class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_OBJEXPORTER1_H__3864B611_F9DA_49FA_8B08_5A5EDFCA4712__INCLUDED_)
+#define AFX_OBJEXPORTER1_H__3864B611_F9DA_49FA_8B08_5A5EDFCA4712__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000  
+      
+#include <vector>
+ 
+struct CVector3D
+{    
+	float fX;
+	float fY; 
+	float fZ;
+	bool operator== (const CVector3D& cCompare) 
+		{ return (memcmp(&cCompare, this, sizeof(CVector3D)) == 0); };
+};
+
+typedef std::vector<CVector3D> VectorVector;
+typedef VectorVector::iterator VectorIt;
+
+struct CTexCoord2D
+{
+	float fU;
+	float fV;
+	bool operator== (const CTexCoord2D& cCompare) 
+		{ return (memcmp(&cCompare, this, sizeof(CTexCoord2D)) == 0); };
+};
+  
+typedef std::vector<CTexCoord2D> TexCoordVector;
+typedef TexCoordVector::iterator TexCoordIt;
+
+struct CFace
+{
+	uint16 iVertexIndices[3];
+	uint16 iTexCoordIndices[3];
+	bool operator== (const CFace& cCompare) 
+		{ return (memcmp(&cCompare, this, sizeof(CFace)) == 0); };
+};
+
+typedef std::vector<CFace> FaceVector;
+typedef FaceVector::iterator FaceIt;
+
+#define LIST_MAX_SEARCH 128
+
+class COBJExporter  
+{
+public:
+	COBJExporter();
+	virtual ~COBJExporter();
+
+	long GetVertexIdx(CVector3D *pVector)
+		{ return GetArrayIdx(&m_vVertices, pVector); };
+	long GetTexCoordIdx(CTexCoord2D *pTexCoord)
+		{ return GetArrayIdx(&m_vTexCoords, pTexCoord); };
+	void AddFace(CFace sNewFace) { m_vFaces.push_back(sNewFace); };
+
+	bool WriteOBJ(const char * pszFileName);
+
+	void Clear();
+ 
+protected:
+
+	VectorVector m_vVertices;
+	TexCoordVector m_vTexCoords;
+	FaceVector m_vFaces;
+
+	char * StripZero(char pszOutputBuffer[32], float fNumber);
+
+	template <class T> unsigned long GetArrayIdx(std::vector<T> *pVector, T *pNewElement)
+	{
+		//////////////////////////////////////////////////////////////////////
+		// Search the passed vector pVector for the occurence of the element
+		// pNewElement. Return the index of it, add it if it is not present
+		// in the container
+		//////////////////////////////////////////////////////////////////////
+
+		unsigned long iCnt = 0;
+		long i;
+
+		// Search through the vector
+		for (i=pVector->size() - 1; i>=0; i--)
+		{
+			// We found the element, return the index
+			if ((* pVector)[i] == (* pNewElement))
+				return i;
+
+			iCnt++;
+
+			// To make the searc time always constant, it will grow to fast with big
+			// lists
+			if (iCnt > LIST_MAX_SEARCH)
+				break;
+		}
+
+		// We were unable to find the element, add it and return the new index
+		pVector->push_back((* pNewElement));
+
+		return pVector->size() - 1;
+	}
+};
+
+#endif // !defined(AFX_OBJEXPORTER1_H__3864B611_F9DA_49FA_8B08_5A5EDFCA4712__INCLUDED_)