123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Editor/OBJExporter1.cpp
+++ b/Editor/OBJExporter1.cpp
@@ -0,0 +1,155 @@
+// OBJExporter1.cpp: implementation of the COBJExporter class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "OBJExporter1.h"
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[]=__FILE__;
+#define new DEBUG_NEW
+#endif
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+COBJExporter::COBJExporter()
+{
+
+}
+
+COBJExporter::~COBJExporter()
+{
+
+}
+
+bool COBJExporter::WriteOBJ(const char * pszFileName)
+{
+	//////////////////////////////////////////////////////////////////////
+	// Write the OBJ file to disk
+	//////////////////////////////////////////////////////////////////////
+
+	FILE *hFile = NULL;
+	VectorIt itVec;
+	FaceIt itFace;
+	TexCoordIt itTexCoord;
+	CString szMTL;
+	char ppszBuffer[3][32];
+
+	ASSERT(pszFileName);
+
+	CLogFile::FormatLine("Exporting OBJ file to '%s'", pszFileName);
+
+	// Open the file
+	hFile = fopen(pszFileName, "w");
+
+	if (!hFile)
+	{
+		CLogFile::FormatLine("Error while opening file '%s' !", pszFileName);
+		ASSERT(hFile);
+		return false;
+	}
+
+	// Write header
+	fprintf(hFile, "# Object file exported by CryEdit\n\n");
+
+	// Create MTL library filename
+	szMTL = pszFileName;
+	szMTL = Path::ReplaceExtension( szMTL,"mtl" );
+	szMTL = Path::GetFile(szMTL);
+
+	// Write material library import statement
+	fprintf(hFile, "mtllib %s\n\n", (const char*)szMTL);
+
+	// Write material usage statement
+	fprintf(hFile, "usemtl Terrain\n\n");
+
+	// Write all vertices
+	for (itVec=m_vVertices.begin(); itVec!=m_vVertices.end(); itVec++)
+	{
+		fprintf(hFile, "v %s %s %s\n", 
+			StripZero(ppszBuffer[0], (* itVec).fX),
+			StripZero(ppszBuffer[1], (* itVec).fY), 
+			StripZero(ppszBuffer[2], (* itVec).fZ));
+	}
+	fprintf(hFile, "# %i Vertices\n\n", m_vVertices.size());
+
+	// Write all texture coordinates
+	for (itTexCoord=m_vTexCoords.begin(); itTexCoord!=m_vTexCoords.end(); itTexCoord++)
+	{
+		fprintf(hFile, "vt %s %s\n",
+			StripZero(ppszBuffer[0], (* itTexCoord).fU),
+			StripZero(ppszBuffer[1], (* itTexCoord).fV));
+	}
+	fprintf(hFile, "# %i Texture coordinates\n\n", m_vTexCoords.size());
+
+	// Write all faces, convert the indices to one based indices
+	for (itFace=m_vFaces.begin(); itFace!=m_vFaces.end(); itFace++)
+	{
+		fprintf(hFile, "f %i/%i %i/%i %i/%i\n",
+			(* itFace).iVertexIndices[0] + 1, (* itFace).iTexCoordIndices[0] + 1,
+			(* itFace).iVertexIndices[1] + 1, (* itFace).iTexCoordIndices[1] + 1,
+			(* itFace).iVertexIndices[2] + 1, (* itFace).iTexCoordIndices[2] + 1);
+	}
+	fprintf(hFile, "# %i Faces", m_vFaces.size());
+
+	fclose(hFile);
+
+	// Create MTL library filename
+	szMTL = Path::ReplaceExtension( pszFileName,"mtl" );
+
+
+	// Open the material file
+	hFile = fopen(szMTL, "w");
+
+	if (!hFile)
+	{
+		CLogFile::FormatLine("Error while opening file '%s' !", (const char*)szMTL);
+		ASSERT(hFile);
+		return false;
+	}
+
+	// Write header
+	fprintf(hFile, "# Material file exported by CryEdit\n\n");
+
+	// Write terrain material
+	fprintf(hFile, "newmtl Terrain\n");
+	fprintf(hFile, "Ka 1.000000 1.000000 1.000000\n");
+	fprintf(hFile, "Kd 1.000000 1.000000 1.000000\n");
+	fprintf(hFile, "Ks 1.000000 1.000000 1.000000\n");
+	fprintf(hFile, "Ns 0.000000\n");
+	fprintf(hFile, "map_Kd Terrain.bmp");
+
+	fclose(hFile);
+	
+	return true;
+}
+
+char * COBJExporter::StripZero(char pszOutputBuffer[32], float fNumber)
+{
+	////////////////////////////////////////////////////////////////////////
+	// Convert a float into a string representation and remove all 
+	// uneccessary zeroes and the decimal dot if it is not needed
+	////////////////////////////////////////////////////////////////////////
+
+	long i;
+
+	sprintf(pszOutputBuffer, "%f", fNumber);
+
+	for (i=strlen(pszOutputBuffer) - 1; i>=0; i--)
+	{
+		if (pszOutputBuffer[i] == '0')
+			pszOutputBuffer[i] = '\0';
+		else if (pszOutputBuffer[i] == '.')
+		{
+			pszOutputBuffer[i] = '\0';
+			break;
+		}
+		else
+			break;
+	}
+
+	return pszOutputBuffer;
+}