/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#include "common/config-manager.h"
#include "efh/efh.h"

namespace Efh {
EfhGraphicsStruct::EfhGraphicsStruct() {
	_vgaLineBuffer = nullptr;
	_shiftValue = 0;
	_width = 0;
	_height = 0;
	_area = Common::Rect(0, 0, 0, 0);
}
EfhGraphicsStruct::EfhGraphicsStruct(int8 **lineBuf, int16 x, int16 y, int16 width, int16 height) {
	_vgaLineBuffer = lineBuf;
	_shiftValue = 0;
	_width = width;
	_height = height;
	_area = Common::Rect(x, y, x + width - 1, y + height - 1);
}

void InvObject::init() {
	_ref = 0;
	_stat1 = 0;
	_curHitPoints = 0;
}

void MapSpecialTileStruct::init() {
	_placeId = _posX = _posY = _triggerType = _triggerValue = 0;
	_field5_textId = _field7_textId = 0;
}

void FrameList::init() {
	for (int i = 0; i < 4; ++i)
		_subFileId[i] = -1;
}

void AnimInfo::init() {
	for (int i = 0; i < 10; ++i) {
		_posX[i] = 0;
		_posY[i] = 0;
	}

	for (int i = 0; i < 15; ++i)
		_frameList[i].init();
}

void ItemStruct::init() {
	for (uint idx = 0; idx < 15; ++idx)
		_name[idx] = 0;

	_damage = 0;
	_defense = 0;
	_attacks = 0;
	_uses = 0;
	_agilityModifier = 0;
	_range = 0;
	_attackType = 0;
	_specialEffect = 0;
	_defenseType = 0;
	_exclusiveType = 0;
	_field19_mapPosX_or_maxDeltaPoints = 0;
	_mapPosY = 0;
}

void NPCStruct::init() {
	for (int i = 0; i < 11; ++i)
		_name[i] = 0;
	fieldB_textId = 0;
	field_C = 0;
	field_D = 0;
	fieldE_textId = 0;
	field_F = 0;
	field_10 = 0;
	field11_NpcId = 0;
	field12_textId = 0;
	field14_textId = 0;
	_xp = 0;

	for (int i = 0; i < 15; ++i)
		_activeScore[i] = 0;

	for (int i = 0; i < 11; ++i) {
		_passiveScore[i] = 0;
		_infoScore[i] = 0;
	}

	field_3F = 0;
	field_40 = 0;

	for (int i = 0; i < 10; ++i)
		_inventory[i].init();

	_possessivePronounSHL6 = 0;
	_speed = 0;
	field_6B = 0;
	field_6C = 0;
	field_6D = 0;
	_defaultDefenseItemId = 0;
	field_6F = 0;
	field_70 = 0;
	field_71 = 0;
	field_72 = 0;
	field_73 = 0;
	_hitPoints = 0;
	_maxHP = 0;
	field_78 = 0;
	field_79 = 0;
	field_7B = 0;
	field_7D = 0;
	field_7E = 0;
	field_7F = 0;
	field_80 = 0;
	field_81 = 0;
	field_82 = 0;
	field_83 = 0;
	field_84 = 0;
	field_85 = 0;
}

uint8 NPCStruct::getPronoun() {
	return _possessivePronounSHL6 >> 6;
}

void NPCStruct::synchronize(Common::Serializer &s) {
	for (int idx = 0; idx < 11; ++idx)
		s.syncAsByte(_name[idx]);

	s.syncAsByte(fieldB_textId);
	s.syncAsByte(field_C);
	s.syncAsByte(field_D);
	s.syncAsByte(fieldE_textId);
	s.syncAsByte(field_F);
	s.syncAsByte(field_10);
	s.syncAsByte(field11_NpcId);
	s.syncAsSint16LE(field12_textId);
	s.syncAsSint16LE(field14_textId);
	s.syncAsSint32LE(_xp);
	for (int idx = 0; idx < 15; ++idx)
		s.syncAsByte(_activeScore[idx]);

	for (int idx = 0; idx < 11; ++idx)
		s.syncAsByte(_passiveScore[idx]);

	for (int idx = 0; idx < 11; ++idx)
		s.syncAsByte(_infoScore[idx]);

	s.syncAsByte(field_3F);
	s.syncAsByte(field_40);
	for (int idx = 0; idx < 10; ++idx) {
		s.syncAsSint16LE(_inventory[idx]._ref);
		s.syncAsByte(_inventory[idx]._stat1);
		s.syncAsByte(_inventory[idx]._curHitPoints);
	}
	s.syncAsByte(_possessivePronounSHL6);
	s.syncAsByte(_speed);
	s.syncAsByte(field_6B);
	s.syncAsByte(field_6C);
	s.syncAsByte(field_6D);
	s.syncAsByte(_defaultDefenseItemId);
	s.syncAsByte(field_6F);
	s.syncAsByte(field_70);
	s.syncAsByte(field_71);
	s.syncAsByte(field_72);
	s.syncAsByte(field_73);
	s.syncAsSint16LE(_hitPoints);
	s.syncAsSint16LE(_maxHP);
	s.syncAsByte(field_78);
	s.syncAsSint16LE(field_79);
	s.syncAsSint16LE(field_7B);
	s.syncAsByte(field_7D);
	s.syncAsByte(field_7E);
	s.syncAsByte(field_7F);
	s.syncAsByte(field_80);
	s.syncAsByte(field_81);
	s.syncAsByte(field_82);
	s.syncAsByte(field_83);
	s.syncAsByte(field_84);
	s.syncAsByte(field_85);
}

uint8 MapMonster::getPronoun() {
	return _possessivePronounSHL6 >> 6;
}

void TeamMonster::init() {
	_id = -1;
	for (int ctrMobsterId = 0; ctrMobsterId < 9; ++ctrMobsterId) {
		_mobsterStatus[ctrMobsterId]._type = kEfhStatusNormal;
		_mobsterStatus[ctrMobsterId]._duration = 0;
	}
}

void InitiativeStruct::init() {
	_id = _initiative = 0;
}

void TileFactStruct::init() {
	_status = _tileId = 0;
}

void TeamChar::init() {
	_id = -1;
	_status._type = kEfhStatusNormal;
	_status._duration = 0;
	_pctVisible = 0;
	_pctDodgeMiss = 0;
	_nextAttack = -1;
	_lastInventoryUsed = 0;
	_lastAction = 0;
}

EfhEngine::EfhEngine(OSystem *syst, const ADGameDescription *gd) : Engine(syst), _gameDescription(gd) {
	const Common::FSNode gameDataDir(ConfMan.getPath("path"));

	SearchMan.addSubDirectoryMatching(gameDataDir, "gendata");
	SearchMan.addSubDirectoryMatching(gameDataDir, "images");
	SearchMan.addSubDirectoryMatching(gameDataDir, "imp");
	SearchMan.addSubDirectoryMatching(gameDataDir, "maps");

	_system = syst;
	_rnd = nullptr;

	_lastTime = 0;
	_platform = Common::kPlatformUnknown;
	_mainSurface = nullptr;

	for (int i = 0; i < 200; ++i)
		_vgaLineBuffer[i] = nullptr;

	_vgaGraphicsStruct1 = new EfhGraphicsStruct(_vgaLineBuffer, 0, 0, 320, 200);
	_vgaGraphicsStruct2 = new EfhGraphicsStruct();

	_videoMode = 0;
	_graphicsStruct = nullptr;

	for (int i = 0; i < 19; ++i) {
		_mapBitmapRefArr[i]._setId1 = 0;
		_mapBitmapRefArr[i]._setId2 = 0;
	}

	_defaultBoxColor = 0;

	_fontDescr._widthArray = nullptr;
	_fontDescr._extraLines = nullptr;
	_fontDescr._fontData = nullptr;
	_fontDescr._charHeight = 0;
	_fontDescr._extraHorizontalSpace = _fontDescr._extraVerticalSpace = 0;

	_introDoneFl = false;
	_oldAnimImageSetId = -1;
	_animImageSetId = 0xFE;
	_paletteTransformationConstant = 10;

	for (int i = 0; i < 12; ++i)
		_circleImageSubFileArray[i] = nullptr;

	_imageDataPtr._dataPtr = nullptr;
	_imageDataPtr._width = 0;
	_imageDataPtr._startX = _imageDataPtr._startY = 0;
	_imageDataPtr._height = 0;
	_imageDataPtr._lineDataSize = 0;
	_imageDataPtr._paletteTransformation = 0;
	_imageDataPtr._fieldD = 0;

	for (int i = 0; i < 3; ++i)
		_currentTileBankImageSetId[i] = -1;

	_unkRelatedToAnimImageSetId = 0;
	_techId = 0;
	_currentAnimImageSetId = 0xFF;

	for (int i = 0; i < 20; ++i) {
		_portraitSubFilesArray[i] = nullptr;
	}

	_characterNamePt1 = "";
	_characterNamePt2 = "";
	_enemyNamePt1 = "";
	_enemyNamePt2 = "";
	_nameBuffer = "";
	_attackBuffer = "";

	for (int i = 0; i < 100; ++i) {
		_imp1PtrArray[i] = nullptr;
		for (int j = 0; j < 19; ++j)
			_mapSpecialTiles[j][i].init();
	}

	for (int i = 0; i < 432; ++i)
		_imp2PtrArray[i] = nullptr;

	_unkAnimRelatedIndex = -1;

	_initRect = Common::Rect(0, 0, 0, 0);
	_engineInitPending = true;
	_textColor = 0x0E; // Yellow
	_protectionPassed = false;
	_fullPlaceId = 0xFF;
	_guessAnimationAmount = 9;
	_largeMapFlag = 0xFFFF;
	_alertDelay = 0;

	for (int i = 0; i < 3; ++i)
		_teamChar[i].init();

	_teamChar[0]._id = 0;

	for (int i = 0; i < 5; ++i)
		_teamMonster[i].init();

	_teamSize = 1;
	_word2C872 = 0;
	_imageSetSubFilesIdx = 144;
	_oldImageSetSubFilesIdx = 143;

	_mapPosX = _mapPosY = 31;
	_oldMapPosX = _oldMapPosY = 31;
	_techDataId_MapPosX = _techDataId_MapPosY = 31;

	_textPosX = 0;
	_textPosY = 0;

	_lastMainPlaceId = 0;
	_tempTextDelay = 0;
	_tempTextPtr = nullptr;
	_checkTileDisabledByScriptFl = false;
	_redrawNeededFl = false;
	_drawHeroOnMapFl = true;
	_drawMonstersOnMapFl = true;
	_textBoxDisabledByScriptFl = false;
	_ongoingFightFl = false;
	_statusMenuActive = false;
	_menuDepth = 0;
	_menuItemCounter = 0;
	_selectedMenuBox = -1;
	_sayMenu = true;
	_sayLowStatusScreen = false;
	_initiatedTalkByMenu = false;

	for (int i = 0; i < 15; ++i)
		_menuStatItemArr[i] = 0;

	_messageToBePrinted = "";
	for (int i = 0; i < 8; ++i)
		_initiatives[i].init();

	memset(_bufferCharBM, 0, ARRAYSIZE(_bufferCharBM));
	for (int i = 0; i < 3; ++i)
		memset(_tileBank[i], 0, ARRAYSIZE(_tileBank[i]));
	memset(_circleImageBuf, 0, ARRAYSIZE(_circleImageBuf));
	memset(_portraitBuf, 0, ARRAYSIZE(_portraitBuf));
	memset(_decompBuf, 0, ARRAYSIZE(_decompBuf));
	memset(_menuBuf, 0, ARRAYSIZE(_menuBuf));
	memset(_windowWithBorderBuf, 0, ARRAYSIZE(_windowWithBorderBuf));
	memset(_places, 0, ARRAYSIZE(_places));
	for (int i = 0; i < 24; ++i)
		memset(_curPlace[i], 0, ARRAYSIZE(_curPlace[i]));
	memset(_npcBuf, 0, ARRAYSIZE(_npcBuf) * sizeof(NPCStruct));
	memset(_imp1, 0, ARRAYSIZE(_imp1));
	memset(_imp2, 0, ARRAYSIZE(_imp2));
	memset(_titleSong, 0, ARRAYSIZE(_titleSong));
	memset(_items, 0, ARRAYSIZE(_items) * sizeof(ItemStruct));
	memset(_tileFact, 0, ARRAYSIZE(_tileFact) * sizeof(TileFactStruct));
	memset(_animInfo, 0, ARRAYSIZE(_animInfo) * sizeof(AnimInfo));
	memset(_history, 0, ARRAYSIZE(_history));
	for (int i = 0; i < 19; ++i) {
		memset(_techDataArr[i], 0, ARRAYSIZE(_techDataArr[i]));
		memset(_mapArr[i], 0, ARRAYSIZE(_mapArr[i]));
		memset(_mapMonsters[i], 0, ARRAYSIZE(_mapMonsters[i]) * sizeof(MapMonster));
		for (int j = 0; j < 64; ++j) {
			memset(_mapGameMaps[i][j], 0, ARRAYSIZE(_mapGameMaps[i][j]));
		}
	}
	memset(_tileBankSubFilesArray, 0, ARRAYSIZE(_tileBankSubFilesArray) * sizeof(uint8 *));
	_regenCounter = 0;

	// If requested, load a savegame instead of showing the intro
	_loadSaveSlot = -1;
	_saveAuthorized = false;

	if (ConfMan.hasKey("save_slot")) {
		int saveSlot = ConfMan.getInt("save_slot");
		if (saveSlot >= 0 && saveSlot <= 999)
			_loadSaveSlot = saveSlot;
	}

}

} // End of namespace Efh