assimp/tools/assimp_cmd/WriteDump.cpp

/*
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Open Asset Import Library (assimp)
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  following disclaimer.

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*/

/** @file  WriteDump.cpp
 *  @brief Implementation of the 'assimp dump' utility
 */

#include "Main.h"
#include "PostProcessing/ProcessHelper.h"

const char* AICMD_MSG_DUMP_HELP = 
"assimp dump <model> [<out>] [-b] [-s] [-z] [common parameters]\n"
"\t -b Binary output \n"
"\t -s Shortened  \n"
"\t -z Compressed  \n"
"\t[See the assimp_cmd docs for a full list of all common parameters]  \n"
"\t -cfast    Fast post processing preset, runs just a few important steps \n"
"\t -cdefault Default post processing: runs all recommended steps\n"
"\t -cfull    Fires almost all post processing steps \n"
;

#include "Common/assbin_chunks.h"
#include <assimp/DefaultIOSystem.h>
#include <code/Assbin/AssbinFileWriter.h>
#include <code/Assxml/AssxmlFileWriter.h>

#include <memory>

FILE* out = NULL;
bool shortened = false;

// -------------------------------------------------------------------------------
const char* TextureTypeToString(aiTextureType in)
{
	switch (in)
	{
	case aiTextureType_NONE:
		return "n/a";
	case aiTextureType_DIFFUSE:
		return "Diffuse";
	case aiTextureType_SPECULAR:
		return "Specular";
	case aiTextureType_AMBIENT:
		return "Ambient";
	case aiTextureType_EMISSIVE:
		return "Emissive";
	case aiTextureType_OPACITY:
		return "Opacity";
	case aiTextureType_NORMALS:
		return "Normals";
	case aiTextureType_HEIGHT:
		return "Height";
	case aiTextureType_SHININESS:
		return "Shininess";
	case aiTextureType_DISPLACEMENT:
		return "Displacement";
	case aiTextureType_LIGHTMAP:
		return "Lightmap";
	case aiTextureType_REFLECTION:
		return "Reflection";
	case aiTextureType_UNKNOWN:
		return "Unknown";
	default:
		break;
	}
	ai_assert(false); 
	return  "BUG";    
}

// -----------------------------------------------------------------------------------
int Assimp_Dump (const char* const* params, unsigned int num)
{
	const char* fail = "assimp dump: Invalid number of arguments. "
			"See \'assimp dump --help\'\r\n";

	// --help
	if (!strcmp( params[0], "-h") || !strcmp( params[0], "--help") || !strcmp( params[0], "-?") ) {
		printf("%s",AICMD_MSG_DUMP_HELP);
		return AssimpCmdError::Success;
	}

	// asssimp dump in out [options]
	if (num < 1) {
		printf("%s", fail);
		return AssimpCmdError::InvalidNumberOfArguments;
	}

	std::string in  = std::string(params[0]);
	std::string out = (num > 1 ? std::string(params[1]) : std::string("-"));

	// store full command line
	std::string cmd;
	for (unsigned int i = (out[0] == '-' ? 1 : 2); i < num;++i)	{
		if (!params[i])continue;
		cmd.append(params[i]);
		cmd.append(" ");
	}

	// get import flags
	ImportData import;
	ProcessStandardArguments(import,params+1,num-1);

	bool binary = false, shortened = false,compressed=false;
	
	// process other flags
	for (unsigned int i = 1; i < num;++i)		{
		if (!params[i])continue;
		if (!strcmp( params[i], "-b") || !strcmp( params[i], "--binary")) {
			binary = true;
		}
		else if (!strcmp( params[i], "-s") || !strcmp( params[i], "--short")) {
			shortened = true;
		}
		else if (!strcmp( params[i], "-z") || !strcmp( params[i], "--compressed")) {
			compressed = true;
		}
#if 0
		else if (i > 2 || params[i][0] == '-') {
			::printf("Unknown parameter: %s\n",params[i]);
			return 10;
		}
#endif
	}

	if (out[0] == '-') {
		// take file name from input file
		std::string::size_type s = in.find_last_of('.');
		if (s == std::string::npos) {
			s = in.length();
		}

		out = in.substr(0,s);
		out.append((binary ? ".assbin" : ".assxml"));
		if (shortened && binary) {
			out.append(".regress");
		}
	}

	// import the main model
	const aiScene* scene = ImportModel(import,in);
	if (!scene) {
		printf("assimp dump: Unable to load input file %s\n",in.c_str());
		return AssimpCmdError::FailedToLoadInputFile;
	}

	try {
		// Dump the main model, using the appropriate method.
		std::unique_ptr<IOSystem> pIOSystem(new DefaultIOSystem());
		if (binary) {
			DumpSceneToAssbin(out.c_str(), cmd.c_str(), pIOSystem.get(),
				scene, shortened, compressed);
		}
		else {
			DumpSceneToAssxml(out.c_str(), cmd.c_str(), pIOSystem.get(),
				scene, shortened);
		}
	}
	catch (const std::exception& e) {
		printf("%s", ("assimp dump: " + std::string(e.what())).c_str());
		return AssimpCmdError::ExceptionWasRaised;
	}
	catch (...) {
		printf("assimp dump: An unknown exception occured.\n");
		return AssimpCmdError::ExceptionWasRaised;
	}

	printf("assimp dump: Wrote output dump %s\n",out.c_str());
	return AssimpCmdError::Success;
}