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//-----------------------------------------------------------------------------
// Product: OpenCTM tools
// File: convoptions.cpp
// Description: Implementation of the conversion options class.
//-----------------------------------------------------------------------------
// Copyright (c) 2009-2010 Marcus Geelnard
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//-----------------------------------------------------------------------------
#include <stdexcept>
#include <string>
#include <sstream>
#include "convoptions.h"
using namespace std;
/// Constructor
Options::Options()
{
// Set default values
mScale = 1.0f;
mUpAxis = uaZ;
mFlipTriangles = false;
mCalcNormals = false;
mNoNormals = false;
mNoTexCoords = false;
mNoColors = false;
mMethod = CTM_METHOD_MG2;
mLevel = 1;
mVertexPrecision = 0.0f;
mVertexPrecisionRel = 0.01f;
mNormalPrecision = 1.0f / 256.0f;
mTexMapPrecision = 1.0f / 4096.0f;
mColorPrecision = 1.0f / 256.0f;
mComment = string("");
mTexFileName = string("");
}
/// Convert a string to a floating point value
static CTMfloat GetFloatArg(char * aFloatString)
{
stringstream s;
s << aFloatString;
s.seekg(0);
CTMfloat f;
s >> f;
return f;
}
/// Convert a string to an integer value
static CTMint GetIntArg(char * aIntString)
{
stringstream s;
s << aIntString;
s.seekg(0);
CTMint i;
s >> i;
return i;
}
/// Get options from the command line arguments
void Options::GetFromArgs(int argc, char **argv, int aStartIdx)
{
for(int i = aStartIdx; i < argc; ++ i)
{
string cmd(argv[i]);
if((cmd == string("--scale")) && (i < (argc - 1)))
{
mScale = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--upaxis")) && (i < (argc - 1)))
{
string upaxis(argv[i + 1]);
++ i;
if(upaxis == string("X"))
mUpAxis = uaX;
else if(upaxis == string("Y"))
mUpAxis = uaY;
else if(upaxis == string("Z"))
mUpAxis = uaZ;
else if(upaxis == string("-X"))
mUpAxis = uaNX;
else if(upaxis == string("-Y"))
mUpAxis = uaNY;
else if(upaxis == string("-Z"))
mUpAxis = uaNZ;
else
throw runtime_error("Invalid up axis (use X, Y, Z, -X, -Y or -Z).");
}
else if(cmd == string("--flip"))
{
mFlipTriangles = true;
}
else if(cmd == string("--calc-normals"))
{
mCalcNormals = true;
}
else if(cmd == string("--no-normals"))
{
mNoNormals = true;
}
else if(cmd == string("--no-texcoords"))
{
mNoTexCoords = true;
}
else if(cmd == string("--no-colors"))
{
mNoColors = true;
}
else if((cmd == string("--method")) && (i < (argc - 1)))
{
string method(argv[i + 1]);
++ i;
if(method == string("RAW"))
mMethod = CTM_METHOD_RAW;
else if(method == string("MG1"))
mMethod = CTM_METHOD_MG1;
else if(method == string("MG2"))
mMethod = CTM_METHOD_MG2;
else
throw runtime_error("Invalid method (use RAW, MG1 or MG2).");
}
else if((cmd == string("--level")) && (i < (argc - 1)))
{
CTMint val = GetIntArg(argv[i + 1]);
if( (val < 0) || (val > 9) )
throw runtime_error("Invalid compression level (it must be in the range 0 - 9).");
mLevel = CTMuint(val);
++ i;
}
else if((cmd == string("--vprec")) && (i < (argc - 1)))
{
mVertexPrecision = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--vprecrel")) && (i < (argc - 1)))
{
mVertexPrecisionRel = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--nprec")) && (i < (argc - 1)))
{
mNormalPrecision = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--tprec")) && (i < (argc - 1)))
{
mTexMapPrecision = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--cprec")) && (i < (argc - 1)))
{
mColorPrecision = GetFloatArg(argv[i + 1]);
++ i;
}
else if((cmd == string("--comment")) && (i < (argc - 1)))
{
mComment = string(argv[i + 1]);
++ i;
}
else if((cmd == string("--texfile")) && (i < (argc - 1)))
{
mTexFileName = string(argv[i + 1]);
++ i;
}
else
throw runtime_error(string("Invalid argument: ") + cmd);
}
}
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