/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Ad/AdScaleLevel.h"
#include "engines/wintermute/Base/BParser.h"
#include "engines/wintermute/Base/BDynBuffer.h"
#include "engines/wintermute/Base/BGame.h"
#include "engines/wintermute/Base/BFileManager.h"

namespace WinterMute {

IMPLEMENT_PERSISTENT(CAdScaleLevel, false)

//////////////////////////////////////////////////////////////////////////
CAdScaleLevel::CAdScaleLevel(CBGame *inGame): CBObject(inGame) {
	_posY = 0;
	_scale = 100;
}


//////////////////////////////////////////////////////////////////////////
CAdScaleLevel::~CAdScaleLevel() {

}


//////////////////////////////////////////////////////////////////////////
HRESULT CAdScaleLevel::LoadFile(const char *Filename) {
	byte *Buffer = Game->_fileManager->ReadWholeFile(Filename);
	if (Buffer == NULL) {
		Game->LOG(0, "CAdScaleLevel::LoadFile failed for file '%s'", Filename);
		return E_FAIL;
	}

	HRESULT ret;

	_filename = new char [strlen(Filename) + 1];
	strcpy(_filename, Filename);

	if (FAILED(ret = LoadBuffer(Buffer, true))) Game->LOG(0, "Error parsing SCALE_LEVEL file '%s'", Filename);


	delete [] Buffer;

	return ret;
}


TOKEN_DEF_START
TOKEN_DEF(SCALE_LEVEL)
TOKEN_DEF(TEMPLATE)
TOKEN_DEF(Y)
TOKEN_DEF(SCALE)
TOKEN_DEF(EDITOR_PROPERTY)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////////
HRESULT CAdScaleLevel::LoadBuffer(byte  *Buffer, bool Complete) {
	TOKEN_TABLE_START(commands)
	TOKEN_TABLE(SCALE_LEVEL)
	TOKEN_TABLE(TEMPLATE)
	TOKEN_TABLE(Y)
	TOKEN_TABLE(SCALE)
	TOKEN_TABLE(EDITOR_PROPERTY)
	TOKEN_TABLE_END

	byte *params;
	int cmd;
	CBParser parser(Game);

	if (Complete) {
		if (parser.GetCommand((char **)&Buffer, commands, (char **)&params) != TOKEN_SCALE_LEVEL) {
			Game->LOG(0, "'SCALE_LEVEL' keyword expected.");
			return E_FAIL;
		}
		Buffer = params;
	}

	while ((cmd = parser.GetCommand((char **)&Buffer, commands, (char **)&params)) > 0) {
		switch (cmd) {
		case TOKEN_TEMPLATE:
			if (FAILED(LoadFile((char *)params))) cmd = PARSERR_GENERIC;
			break;

		case TOKEN_Y:
			parser.ScanStr((char *)params, "%d", &_posY);
			break;

		case TOKEN_SCALE: {
			int i;
			parser.ScanStr((char *)params, "%d", &i);
			_scale = (float)i;
		}
		break;

		case TOKEN_EDITOR_PROPERTY:
			ParseEditorProperty(params, false);
			break;
		}
	}
	if (cmd == PARSERR_TOKENNOTFOUND) {
		Game->LOG(0, "Syntax error in SCALE_LEVEL definition");
		return E_FAIL;
	}

	return S_OK;
}


//////////////////////////////////////////////////////////////////////////
HRESULT CAdScaleLevel::SaveAsText(CBDynBuffer *Buffer, int Indent) {
	Buffer->PutTextIndent(Indent, "SCALE_LEVEL {\n");
	Buffer->PutTextIndent(Indent + 2, "Y=%d\n", _posY);
	Buffer->PutTextIndent(Indent + 2, "SCALE=%d\n", (int)_scale);
	CBBase::SaveAsText(Buffer, Indent + 2);
	Buffer->PutTextIndent(Indent, "}\n");

	return S_OK;
}


//////////////////////////////////////////////////////////////////////////
HRESULT CAdScaleLevel::persist(CBPersistMgr *persistMgr) {

	CBObject::persist(persistMgr);

	persistMgr->transfer(TMEMBER(_scale));

	return S_OK;
}

} // end of namespace WinterMute