#include "load3ds.h"

Load3ds::Load3ds(std::string _fname, bool _parse) {
	filename = _fname;
	parsed = false;
	error = false;
	
	if(_parse)
		parse();
}


bool Load3ds::parse() {
	if(parsed)
		unload();
	std::ifstream mfile(filename.c_str(), std::ios::binary);
	
	if(!mfile) {
		return false;
	}
	
	unsigned short ident;
	unsigned int len;
	unsigned char m, n;
	std::cout << "size: " << sizeof(int) << std::endl;
	while(!mfile.eof()) {
		ident = len = 0;
		mfile.read((char *)&ident, 2);
		mfile.read((char *)&len, 4);
// 		mfile.read((char *)&m, 1);
// 		mfile.read((char *)&n, 1);
		std::cout << "Chunk: 0x" << std::hex << ident << " (" << std::dec << len << ")" << std::endl;
		switch(ident) {
			case 0x4d4d:
				// Main Chunk
				std::cout << "yeah!" << std::endl;
			break;
			case 0x3d3d:
				// 3D Editor Chunk
				std::cout << "editorchunk" << std::endl;
			break;
			case 0x4000:
				std::cout << "namechunk" << std::endl;
			break;
			default:
				//Switch Chunk
				std::cout << "einfach ignorieren..." << std::endl;
				mfile.ignore(len-6);
			break;
		}
	}
	mfile.close();

	return true;
}

void Load3ds::unload() {
	parsed = false;
	error = false;
}