/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 Ivan Dubrov
 * Copyright (C) 2004-2006 The ScummVM project
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"
#include "common/endian.h"
#include "common/stream.h"

#include "gob/gob.h"
#include "gob/global.h"
#include "gob/game.h"
#include "gob/video.h"
#include "gob/dataio.h"
#include "gob/pack.h"
#include "gob/scenery.h"
#include "gob/inter.h"
#include "gob/parse.h"
#include "gob/draw.h"
#include "gob/mult.h"
#include "gob/util.h"
#include "gob/goblin.h"
#include "gob/cdrom.h"
#include "gob/music.h"

namespace Gob {

Game_v1::Game_v1(GobEngine *vm) : Game(vm) {
}

void Game_v1::playTot(int16 skipPlay) {
	char savedTotName[20];
	int16 *oldCaptureCounter;
	int16 *oldBreakFrom;
	int16 *oldNestLevel;
	int16 _captureCounter;
	int16 breakFrom;
	int16 nestLevel;
	int32 variablesCount;
	char *filePtr;
	char *savedIP;
	int16 i;

	if (skipPlay < 0)
		skipPlay = 0;

	oldNestLevel = _vm->_inter->_nestLevel;
	oldBreakFrom = _vm->_inter->_breakFromLevel;
	oldCaptureCounter = _vm->_scenery->_pCaptureCounter;
	savedIP = _vm->_global->_inter_execPtr;

	_vm->_inter->_nestLevel = &nestLevel;
	_vm->_inter->_breakFromLevel = &breakFrom;
	_vm->_scenery->_pCaptureCounter = &_captureCounter;
	strcpy(savedTotName, _curTotFile);

	if (skipPlay == 0) {
		while (!_vm->_quitRequested) {
			for (i = 0; i < 4; i++) {
				_vm->_draw->_fontToSprite[i].sprite = -1;
				_vm->_draw->_fontToSprite[i].base = -1;
				_vm->_draw->_fontToSprite[i].width = -1;
				_vm->_draw->_fontToSprite[i].height = -1;
			}

			if (_vm->_features & GF_MAC)
				_vm->_music->stopPlay();
			else
				_vm->_cdrom->stopPlaying();
			_vm->_draw->animateCursor(4);
			_vm->_inter->initControlVars(1);
			_vm->_mult->initAll();
			_vm->_mult->zeroMultData();

			for (i = 0; i < 20; i++)
				_vm->_draw->_spritesArray[i] = 0;

			_vm->_draw->_spritesArray[20] = _vm->_draw->_frontSurface;
			_vm->_draw->_spritesArray[21] = _vm->_draw->_backSurface;
			_vm->_draw->_spritesArray[23] = _vm->_draw->_cursorSprites;

			for (i = 0; i < 20; i++)
				_soundSamples[i] = 0;

			_totTextData = 0;
			_totResourceTable = 0;
			_imFileData = 0;
			_extTable = 0;
			_extHandle = -1;

			_totToLoad[0] = 0;

			if (_curTotFile[0] == 0 && _totFileData == 0)
				break;

			loadTotFile(_curTotFile);
			if (_totFileData == 0) {
				_vm->_draw->blitCursor();
				break;
			}

			strcpy(_curImaFile, _curTotFile);
			strcpy(_curExtFile, _curTotFile);

			_curImaFile[strlen(_curImaFile) - 4] = 0;
			strcat(_curImaFile, ".ima");

			_curExtFile[strlen(_curExtFile) - 4] = 0;
			strcat(_curExtFile, ".ext");

			debugC(4, DEBUG_FILEIO, "IMA: %s", _curImaFile);
			debugC(4, DEBUG_FILEIO, "EXT: %s", _curExtFile);

			filePtr = (char *)_totFileData + 0x30;

			_totTextData = 0;
			if (READ_LE_UINT32(filePtr) != (uint32)-1) {
				_totTextData = new TotTextTable;
				_totTextData->dataPtr = (_totFileData + READ_LE_UINT32((char *)_totFileData + 0x30));
				Common::MemoryReadStream totTextData((byte *) _totTextData->dataPtr, 4294967295U);

				_totTextData->itemsCount = totTextData.readSint16LE();

				_totTextData->items = new TotTextItem[_totTextData->itemsCount];
				for (i = 0; i < _totTextData->itemsCount; ++i) {
					_totTextData->items[i].offset = totTextData.readSint16LE();
					_totTextData->items[i].size = totTextData.readSint16LE();
				}
			}

			filePtr = (char *)_totFileData + 0x34;
			_totResourceTable = 0;
			if (READ_LE_UINT32(filePtr) != (uint32)-1) {
				_totResourceTable = new TotResTable;
				_totResourceTable->dataPtr = _totFileData + READ_LE_UINT32((char *)_totFileData + 0x34);
				Common::MemoryReadStream totResTable((byte *) _totResourceTable->dataPtr, 4294967295U);

				_totResourceTable->itemsCount = totResTable.readSint16LE();
				_totResourceTable->unknown = totResTable.readByte();

				_totResourceTable->items = new TotResItem[_totResourceTable->itemsCount];
				for (i = 0; i < _totResourceTable->itemsCount; ++i) {
					_totResourceTable->items[i].offset = totResTable.readSint32LE();
					_totResourceTable->items[i].size = totResTable.readSint16LE();
					_totResourceTable->items[i].width = totResTable.readSint16LE();
					_totResourceTable->items[i].height = totResTable.readSint16LE();
				}
			}

			loadImFile();
			loadExtTable();

			_vm->_global->_inter_animDataSize = READ_LE_UINT16((char *)_totFileData + 0x38);
			if (_vm->_global->_inter_variables == 0) {
				variablesCount = READ_LE_UINT32((char *)_totFileData + 0x2c);
				_vm->_global->_inter_variables = new char[variablesCount * 4];
				for (i = 0; i < variablesCount; i++)
					WRITE_VAR(i, 0);
			}

			_vm->_global->_inter_execPtr = (char *)_totFileData;
			_vm->_global->_inter_execPtr += READ_LE_UINT32((char *)_totFileData + 0x64);

			_vm->_inter->renewTimeInVars();

			WRITE_VAR(13, _vm->_global->_useMouse);
			WRITE_VAR(14, _vm->_global->_soundFlags);
			WRITE_VAR(15, _vm->_global->_videoMode);
			WRITE_VAR(16, _vm->_global->_language);

			_vm->_inter->callSub(2);

			if (_totToLoad[0] != 0)
				_vm->_inter->_terminate = false;

			variablesCount = READ_LE_UINT32((char *)_totFileData + 0x2c);
			_vm->_draw->blitInvalidated();
			delete[] _totFileData;
			_totFileData = 0;

			if (_totTextData) {
				delete[] _totTextData->items;
				delete _totTextData;
			}
			_totTextData = 0;

			if (_totResourceTable) {
				delete[] _totResourceTable->items;
				delete _totResourceTable;
			}
			_totResourceTable = 0;

			delete[] _imFileData;
			_imFileData = 0;

			if (_extTable)
				delete[] _extTable->items;
			delete _extTable;
			_extTable = 0;

			if (_extHandle >= 0)
				_vm->_dataio->closeData(_extHandle);

			_extHandle = -1;

			for (i = 0; i < *_vm->_scenery->_pCaptureCounter; i++)
				capturePop(0);

			_vm->_mult->checkFreeMult();
			_vm->_mult->freeAll();

			for (i = 0; i < 20; i++) {
				if (_vm->_draw->_spritesArray[i] != 0)
					_vm->_video->freeSurfDesc(_vm->_draw->_spritesArray[i]);
				_vm->_draw->_spritesArray[i] = 0;
			}
			_vm->_snd->stopSound(0);

			for (i = 0; i < 20; i++)
				freeSoundSlot(i);

			if (_totToLoad[0] == 0)
				break;

			strcpy(_curTotFile, _totToLoad);
		}
	}

	strcpy(_curTotFile, savedTotName);

	_vm->_inter->_nestLevel = oldNestLevel;
	_vm->_inter->_breakFromLevel = oldBreakFrom;
	_vm->_scenery->_pCaptureCounter = oldCaptureCounter;
	_vm->_global->_inter_execPtr = savedIP;
}

void Game_v1::clearCollisions() {
	int16 i;
	for (i = 0; i < 250; i++) {
		_collisionAreas[i].id = 0;
		_collisionAreas[i].left = -1;
	}
}

void Game_v1::addNewCollision(int16 id, int16 left, int16 top, int16 right, int16 bottom,
	    int16 flags, int16 key, int16 funcEnter, int16 funcLeave) {
	int16 i;
	Collision *ptr;

	debugC(5, DEBUG_COLLISIONS, "addNewCollision");
	debugC(5, DEBUG_COLLISIONS, "id = %x", id);
	debugC(5, DEBUG_COLLISIONS, "left = %d, top = %d, right = %d, bottom = %d", left, top, right, bottom);
	debugC(5, DEBUG_COLLISIONS, "flags = %x, key = %x", flags, key);
	debugC(5, DEBUG_COLLISIONS, "funcEnter = %d, funcLeave = %d", funcEnter, funcLeave);

	for (i = 0; i < 250; i++) {
		if (_collisionAreas[i].left != -1)
			continue;

		ptr = &_collisionAreas[i];
		ptr->id = id;
		ptr->left = left;
		ptr->top = top;
		ptr->right = right;
		ptr->bottom = bottom;
		ptr->flags = flags;
		ptr->key = key;
		ptr->funcEnter = funcEnter;
		ptr->funcLeave = funcLeave;
		return;
	}
	error("addNewCollision: Collision array full!\n");
}

void Game_v1::pushCollisions(char all) {
	Collision *srcPtr;
	Collision *destPtr;
	int16 size;

	debugC(1, DEBUG_COLLISIONS, "pushCollisions");
	for (size = 0, srcPtr = _collisionAreas; srcPtr->left != -1;
	    srcPtr++) {
		if (all || (srcPtr->id & 0x8000))
			size++;
	}

	destPtr = new Collision[size];
	_collStack[_collStackSize] = destPtr;
	_collStackElemSizes[_collStackSize] = size;
	_collStackSize++;

	for (srcPtr = _collisionAreas; srcPtr->left != -1; srcPtr++) {
		if (all || (srcPtr->id & 0x8000)) {
			memcpy(destPtr, srcPtr, sizeof(Collision));
			srcPtr->left = -1;
			destPtr++;
		}
	}
}

void Game_v1::popCollisions(void) {
	Collision *destPtr;
	Collision *srcPtr;

	debugC(1, DEBUG_COLLISIONS, "popCollision");

	_collStackSize--;
	for (destPtr = _collisionAreas; destPtr->left != -1; destPtr++);

	srcPtr = _collStack[_collStackSize];
	memcpy(destPtr, srcPtr,
	    _collStackElemSizes[_collStackSize] *
	    sizeof(Collision));

	delete[] _collStack[_collStackSize];
}

int16 Game_v1::checkKeys(int16 *pMouseX, int16 *pMouseY, int16 *pButtons, char handleMouse) {
	_vm->_util->processInput();

	if (VAR(58) != 0) {
		if (_vm->_mult->_frameStart != (int)VAR(58) - 1)
			_vm->_mult->_frameStart++;
		else
			_vm->_mult->_frameStart = 0;

		_vm->_mult->playMult(_vm->_mult->_frameStart + VAR(57), _vm->_mult->_frameStart + VAR(57), 1,
		    handleMouse);
	}

	if (_vm->_inter->_soundEndTimeKey != 0
	    && _vm->_util->getTimeKey() >= _vm->_inter->_soundEndTimeKey) {
		_vm->_snd->stopSound(_vm->_inter->_soundStopVal);
		_vm->_inter->_soundEndTimeKey = 0;
	}

	if (_vm->_global->_useMouse == 0)
		error("checkKeys: Can't work without mouse!");

	_vm->_util->getMouseState(pMouseX, pMouseY, pButtons);

	if (*pButtons == 3)
		*pButtons = 0;

	return _vm->_util->checkKey();
}

int16 Game_v1::checkCollisions(char handleMouse, int16 deltaTime, int16 *pResId,
	    int16 *pResIndex) {
	char *savedIP;
	int16 resIndex;
	int16 key;
	int16 oldIndex;
	int16 oldId;
	uint32 timeKey;

	if (deltaTime >= -1) {
		_lastCollKey = 0;
		_lastCollAreaIndex = 0;
		_lastCollId = 0;
	}

	if (pResId != 0)
		*pResId = 0;

	resIndex = 0;

	if (_vm->_draw->_cursorIndex == -1 && handleMouse != 0
	    && _lastCollKey == 0) {
		_lastCollKey =
		    checkMousePoint(1, &_lastCollId,
		    &_lastCollAreaIndex);

		if (_lastCollKey != 0 && (_lastCollId & 0x8000) != 0) {
			savedIP = _vm->_global->_inter_execPtr;
			_vm->_global->_inter_execPtr = (char *)_totFileData +
			    _collisionAreas[_lastCollAreaIndex].funcEnter;

			_vm->_inter->funcBlock(0);
			_vm->_global->_inter_execPtr = savedIP;
		}
	}

	if (handleMouse != 0)
		_vm->_draw->animateCursor(-1);

	timeKey = _vm->_util->getTimeKey();
	while (1) {
		if (_vm->_inter->_terminate) {
			if (handleMouse)
				_vm->_draw->blitCursor();
			return 0;
		}

		if (_vm->_draw->_noInvalidated == 0) {
			if (handleMouse)
				_vm->_draw->animateCursor(-1);
			else
				_vm->_draw->blitInvalidated();
		}

		// NOTE: the original asm does the below checkKeys call
		// _before_ this check. However, that can cause keypresses to get lost
		// since there's a return statement in this check.
		// Additionally, I added a 'deltaTime == -1' check there, since
		// when this function is called with deltaTime == -1 in inputArea,
		// and the return value is then discarded.
		if (deltaTime < 0) {
			uint32 curtime = _vm->_util->getTimeKey();
			if (deltaTime == -1 || curtime + deltaTime > timeKey) {
				if (pResId != 0)
					*pResId = 0;

				if (pResIndex != 0)
					*pResIndex = 0;

				return 0;
			}
		}

		key = checkKeys(&_vm->_global->_inter_mouseX, &_vm->_global->_inter_mouseY,
							 &_mouseButtons, handleMouse);

		if (handleMouse == 0 && _mouseButtons != 0) {
			_vm->_util->waitMouseRelease(0);
			key = 3;
		}

		if (key != 0) {

			if (handleMouse == 1)
				_vm->_draw->blitCursor();

			if (pResId != 0)
				*pResId = 0;

			if (pResIndex != 0)
				*pResIndex = 0;

			if (_lastCollKey != 0 &&
			    _collisionAreas[_lastCollAreaIndex].funcLeave != 0) {
				savedIP = _vm->_global->_inter_execPtr;
				_vm->_global->_inter_execPtr = (char *)_totFileData +
				    _collisionAreas[_lastCollAreaIndex].funcLeave;

				_vm->_inter->funcBlock(0);
				_vm->_global->_inter_execPtr = savedIP;
			}

			_lastCollKey = 0;
			if (key != 0)
				return key;
		}

		if (handleMouse != 0) {
			if (_mouseButtons != 0) {
				oldIndex = 0;

				_vm->_draw->animateCursor(2);
				if (deltaTime <= 0) {
					if (handleMouse == 1)
						_vm->_util->waitMouseRelease(1);
				} else if (deltaTime > 0) {
					_vm->_util->delay(deltaTime);
				}

				_vm->_draw->animateCursor(-1);
				if (pResId != 0)
					*pResId = 0;

				key = checkMousePoint(0, pResId, &resIndex);

				if (pResIndex != 0)
					*pResIndex = resIndex;

				if (key != 0 || (pResId != 0 && *pResId != 0)) {
					if (handleMouse == 1 && (deltaTime <= 0
						|| _mouseButtons == 0))
						_vm->_draw->blitCursor();

					if (_lastCollKey != 0 &&
						_collisionAreas[_lastCollAreaIndex].funcLeave != 0) {
						savedIP = _vm->_global->_inter_execPtr;
						_vm->_global->_inter_execPtr =
						    (char *)_totFileData +
						    _collisionAreas[_lastCollAreaIndex].funcLeave;

						_vm->_inter->funcBlock(0);
						_vm->_global->_inter_execPtr = savedIP;
					}
					_lastCollKey = 0;
					return key;
				}

				if (_lastCollKey != 0 &&
				    _collisionAreas[_lastCollAreaIndex].funcLeave != 0) {
					savedIP = _vm->_global->_inter_execPtr;
					_vm->_global->_inter_execPtr =
					    (char *)_totFileData +
					    _collisionAreas[_lastCollAreaIndex].funcLeave;

					_vm->_inter->funcBlock(0);
					_vm->_global->_inter_execPtr = savedIP;
				}

				_lastCollKey =
				    checkMousePoint(1, &_lastCollId,
				    &_lastCollAreaIndex);

				if (_lastCollKey != 0
				    && (_lastCollId & 0x8000) != 0) {
					savedIP = _vm->_global->_inter_execPtr;
					_vm->_global->_inter_execPtr =
					    (char *)_totFileData +
					    _collisionAreas[_lastCollAreaIndex].funcEnter;

					_vm->_inter->funcBlock(0);
					_vm->_global->_inter_execPtr = savedIP;
				}
			} else {

				if (handleMouse != 0 &&
				    (_vm->_global->_inter_mouseX != _vm->_draw->_cursorX
					|| _vm->_global->_inter_mouseY != _vm->_draw->_cursorY)) {
					oldIndex = _lastCollAreaIndex;
					oldId = _lastCollId;

					key =
					    checkMousePoint(1,
					    &_lastCollId,
					    &_lastCollAreaIndex);

					if (key != _lastCollKey) {
						if (_lastCollKey != 0
						    && (oldId & 0x8000) != 0) {
							savedIP = _vm->_global->_inter_execPtr;
							_vm->_global->_inter_execPtr = (char *)_totFileData +
							    _collisionAreas[oldIndex].funcLeave;

							_vm->_inter->funcBlock(0);
							_vm->_global->_inter_execPtr = savedIP;
						}

						_lastCollKey = key;
						if (_lastCollKey != 0 && (_lastCollId & 0x8000) != 0) {
							savedIP = _vm->_global->_inter_execPtr;
							_vm->_global->_inter_execPtr = (char *)_totFileData +
							    _collisionAreas[_lastCollAreaIndex].funcEnter;

							_vm->_inter->funcBlock(0);
							_vm->_global->_inter_execPtr = savedIP;
						}
					}
				}
			}
		}

		if (handleMouse != 0)
			_vm->_draw->animateCursor(-1);

		_vm->_util->delay(10);

		_vm->_snd->loopSounds();
	}
}

void Game_v1::prepareStart(void) {
	int16 i;

	clearCollisions();

	_vm->_global->_pPaletteDesc->unused2 = _vm->_draw->_unusedPalette2;
	_vm->_global->_pPaletteDesc->unused1 = _vm->_draw->_unusedPalette1;
	_vm->_global->_pPaletteDesc->vgaPal = _vm->_draw->_vgaPalette;

	_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);

	_vm->_draw->_backSurface = _vm->_video->initSurfDesc(_vm->_global->_videoMode, 320, 200, 0);

	_vm->_video->fillRect(_vm->_draw->_backSurface, 0, 0, 319, 199, 1);
	_vm->_draw->_frontSurface = _vm->_global->_pPrimarySurfDesc;
	_vm->_video->fillRect(_vm->_draw->_frontSurface, 0, 0, 319, 199, 1);

	_vm->_util->setMousePos(152, 92);

	_vm->_draw->_cursorX = 152;
	_vm->_global->_inter_mouseX = 152;

	_vm->_draw->_cursorY = 92;
	_vm->_global->_inter_mouseY = 92;
	_vm->_draw->_invalidatedCount = 0;
	_vm->_draw->_noInvalidated = 1;
	_vm->_draw->_applyPal = 0;
	_vm->_draw->_paletteCleared = 0;
	_vm->_draw->_cursorWidth = 16;
	_vm->_draw->_cursorHeight = 16;
	_vm->_draw->_transparentCursor = 1;

	for (i = 0; i < 40; i++) {
		_vm->_draw->_cursorAnimLow[i] = -1;
		_vm->_draw->_cursorAnimDelays[i] = 0;
		_vm->_draw->_cursorAnimHigh[i] = 0;
	}

	_vm->_draw->_cursorAnimLow[1] = 0;
	_vm->_draw->_cursorSprites = _vm->_video->initSurfDesc(_vm->_global->_videoMode, 32, 16, 2);
	_vm->_draw->_cursorBack = _vm->_video->initSurfDesc(_vm->_global->_videoMode, 16, 16, 0);
	_vm->_draw->_renderFlags = 0;
	_vm->_draw->_backDeltaX = 0;
	_vm->_draw->_backDeltaY = 0;

	_startTimeKey = _vm->_util->getTimeKey();
}

void Game_v1::collisionsBlock(void) {
	InputDesc descArray[20];
	int16 array[250];
	char count;
	int16 collResId;
	char *startIP;
	int16 curCmd;
	int16 cmd;
	int16 cmdHigh;
	int16 key;
	int16 flags;
	int16 left;
	int16 top;
	int16 width;
	int16 height;
	int16 var_22;
	int16 index;
	int16 curEditIndex;
	int16 deltaTime;
	int16 descIndex2;
	int16 stackPos2;
	int16 descIndex;
	int16 timeVal;
	char *str;
	int16 savedCollStackSize;
	int16 i;
	int16 counter;
	int16 var_24;
	int16 var_26;
	int16 _collStackPos;
	Collision *collPtr;
	int16 timeKey;
	char *savedIP;

	if (_shouldPushColls)
		pushCollisions(1);

	collResId = -1;
	_vm->_global->_inter_execPtr++;
	count = *_vm->_global->_inter_execPtr++;
	_handleMouse = _vm->_global->_inter_execPtr[0];
	deltaTime = 1000 * (byte)_vm->_global->_inter_execPtr[1];
	descIndex2 = (byte)_vm->_global->_inter_execPtr[2];
	stackPos2 = (byte)_vm->_global->_inter_execPtr[3];
	descIndex = (byte)_vm->_global->_inter_execPtr[4];

	if (stackPos2 != 0 || descIndex != 0)
		deltaTime /= 100;

	timeVal = deltaTime;
	_vm->_global->_inter_execPtr += 6;

	startIP = _vm->_global->_inter_execPtr;
	WRITE_VAR(16, 0);
	var_22 = 0;
	index = 0;
	curEditIndex = 0;

	for (curCmd = 0; curCmd < count; curCmd++) {
		array[curCmd] = 0;
		cmd = *_vm->_global->_inter_execPtr++;

		if ((cmd & 0x40) != 0) {
			cmd -= 0x40;
			cmdHigh = (byte)*_vm->_global->_inter_execPtr;
			_vm->_global->_inter_execPtr++;
			cmdHigh <<= 8;
		} else {
			cmdHigh = 0;
		}

		if ((cmd & 0x80) != 0) {
			left = _vm->_parse->parseValExpr();
			top = _vm->_parse->parseValExpr();
			width = _vm->_parse->parseValExpr();
			height = _vm->_parse->parseValExpr();
		} else {
			left = _vm->_inter->load16();
			top = _vm->_inter->load16();
			width = _vm->_inter->load16();
			height = _vm->_inter->load16();
		}
		cmd &= 0x7f;

		debugC(1, DEBUG_COLLISIONS, "collisionsBlock(%d)", cmd);

		switch (cmd) {
		case 3:
		case 4:
		case 5:
		case 6:
		case 7:
		case 8:
		case 9:
		case 10:

			_vm->_util->waitKey();
			var_22 = 1;
			key = _vm->_parse->parseVarIndex();
			descArray[index].fontIndex = _vm->_inter->load16();
			descArray[index].backColor = *_vm->_global->_inter_execPtr++;
			descArray[index].frontColor = *_vm->_global->_inter_execPtr++;

			if (cmd < 5 || cmd > 8) {
				descArray[index].ptr = 0;
			} else {
				descArray[index].ptr = _vm->_global->_inter_execPtr + 2;
				_vm->_global->_inter_execPtr += _vm->_inter->load16();
			}

			if (left == -1)
				break;

			if ((cmd & 1) == 0) {
				addNewCollision(curCmd + 0x8000, left,
				    top,
				    left +
				    width *
				    _vm->_draw->_fonts[descArray[index].fontIndex]->
				    itemWidth - 1, top + height - 1, cmd, key,
				    0,
				    _vm->_global->_inter_execPtr - (char *)_totFileData);

				_vm->_global->_inter_execPtr += 2;
				_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			} else {
				addNewCollision(curCmd + 0x8000, left,
				    top,
				    left +
				    width *
				    _vm->_draw->_fonts[descArray[index].fontIndex]->
				    itemWidth - 1, top + height - 1, cmd, key,
				    0, 0);
			}
			index++;
			break;

		case 21:
			key = _vm->_inter->load16();
			array[curCmd] = _vm->_inter->load16();
			flags = _vm->_inter->load16() & 3;

			addNewCollision(curCmd + 0x8000, left, top,
			    left + width - 1,
			    top + height - 1,
			    (flags << 4) + cmdHigh + 2, key,
			    _vm->_global->_inter_execPtr - (char *)_totFileData, 0);

			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			break;

		case 20:
			collResId = curCmd;
			// Fall through to case 2

		case 2:
			key = _vm->_inter->load16();
			array[curCmd] = _vm->_inter->load16();
			flags = _vm->_inter->load16() & 3;

			addNewCollision(curCmd + 0x8000, left, top,
			    left + width - 1,
			    top + height - 1,
			    (flags << 4) + cmdHigh + 2, key, 0,
			    _vm->_global->_inter_execPtr - (char *)_totFileData);

			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			break;

		case 0:
			_vm->_global->_inter_execPtr += 6;
			startIP = _vm->_global->_inter_execPtr;
			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			key = curCmd + 0xA000;

			addNewCollision(curCmd + 0x8000, left, top,
			    left + width - 1,
			    top + height - 1,
			    cmd + cmdHigh, key,
			    startIP - (char *)_totFileData,
			    _vm->_global->_inter_execPtr - (char *)_totFileData);

			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			break;

		case 1:
			key = _vm->_inter->load16();
			array[curCmd] = _vm->_inter->load16();
			flags = _vm->_inter->load16() & 3;

			startIP = _vm->_global->_inter_execPtr;
			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			if (key == 0)
				key = curCmd + 0xa000;

			addNewCollision(curCmd + 0x8000, left, top,
			    left + width - 1,
			    top + height - 1,
			    (flags << 4) + cmd + cmdHigh, key,
			    startIP - (char *)_totFileData,
			    _vm->_global->_inter_execPtr - (char *)_totFileData);

			_vm->_global->_inter_execPtr += 2;
			_vm->_global->_inter_execPtr += READ_LE_UINT16(_vm->_global->_inter_execPtr);
			break;
		}
	}

	_forceHandleMouse = 0;
	_vm->_util->waitKey();

	do {
		if (var_22 != 0) {
			key =
			    multiEdit(deltaTime, index, &curEditIndex,
			    descArray, 0, 0);

			if (key == 0x1c0d) {
				for (i = 0; i < 250; i++) {
					if (_collisionAreas[i].left == -1)
						continue;

					if ((_collisionAreas[i].id & 0x8000) == 0)
						continue;

					if ((_collisionAreas[i].flags & 1) != 0)
						continue;

					if ((_collisionAreas[i].flags & 0x0f) <= 2)
						continue;

					collResId = _collisionAreas[i].id;
					_activeCollResId = collResId;
					collResId &= 0x7fff;
					_activeCollIndex = i;
					break;
				}
				break;
			}
		} else {
			key =
			    checkCollisions(_handleMouse, -deltaTime,
			    &_activeCollResId, &_activeCollIndex);
		}

		if ((key & 0xff) >= ' ' && (key & 0xff) <= 0xff &&
		    (key >> 8) > 1 && (key >> 8) < 12) {
			key = '0' + (((key >> 8) - 1) % 10) + (key & 0xff00);
		}

		if (_activeCollResId == 0) {
			if (key != 0) {
				for (i = 0; i < 250; i++) {
					if (_collisionAreas[i].left == -1)
						continue;

					if ((_collisionAreas[i].
						id & 0x8000) == 0)
						continue;

					if (_collisionAreas[i].key == key
					    || _collisionAreas[i].key ==
					    0x7fff) {

						_activeCollResId =
						    _collisionAreas[i].id;
						_activeCollIndex = i;
						break;
					}
				}

				if (_activeCollResId == 0) {
					for (i = 0; i < 250; i++) {
						if (_collisionAreas[i].left == -1)
							continue;

						if ((_collisionAreas[i].id & 0x8000) == 0)
							continue;

						if ((_collisionAreas[i].key & 0xff00) != 0)
							continue;

						if (_collisionAreas[i].key == 0)
							continue;

						if (adjustKey(key & 0xff) == adjustKey(_collisionAreas[i].key) || _collisionAreas[i].key == 0x7fff) {
							_activeCollResId = _collisionAreas[i].id;
							_activeCollIndex = i;
							break;
						}
					}
				}
			} else {

				if (deltaTime != 0 && VAR(16) == 0) {
					if (stackPos2 != 0) {
						_collStackPos = 0;
						collPtr = _collisionAreas;

						for (i = 0, collPtr = _collisionAreas; collPtr->left != -1; i++, collPtr++) {
							if ((collPtr->id & 0x8000) == 0)
								continue;

							_collStackPos++;
							if (_collStackPos != stackPos2)
								continue;

							_activeCollResId = collPtr->id;
							_activeCollIndex = i;
							WRITE_VAR(2, _vm->_global->_inter_mouseX);
							WRITE_VAR(3, _vm->_global->_inter_mouseY);
							WRITE_VAR(4, _mouseButtons);
							WRITE_VAR(16, array[(uint16)_activeCollResId & ~0x8000]);

							if (collPtr->funcLeave != 0) {
								timeKey = _vm->_util->getTimeKey();
								savedIP = _vm->_global->_inter_execPtr;
								_vm->_global->_inter_execPtr = (char *)_totFileData + collPtr->funcLeave;
								_shouldPushColls = 1;
								savedCollStackSize = _collStackSize;
								_vm->_inter->funcBlock(0);

								if (savedCollStackSize != _collStackSize)
									popCollisions();

								_shouldPushColls = 0;
								_vm->_global->_inter_execPtr = savedIP;
								deltaTime = timeVal - (_vm->_util->getTimeKey() - timeKey);

								if (deltaTime < 2)
									deltaTime = 2;
							}

							if (VAR(16) == 0)
								_activeCollResId = 0;
							break;
						}
					} else {
						if (descIndex != 0) {
							counter = 0;
							for (i = 0; i < 250; i++) {
								if (_collisionAreas[i].left == -1)
									continue;

								if ((_collisionAreas[i].id & 0x8000) == 0)
									continue;

								counter++;
								if (counter != descIndex)
									continue;

								_activeCollResId = _collisionAreas[i].id;
								_activeCollIndex = i;
								break;
							}
						} else {
							for (i = 0; i < 250; i++) {
								if (_collisionAreas[i].left == -1)
									continue;

								if ((_collisionAreas[i].id & 0x8000) == 0)
									continue;

								_activeCollResId = _collisionAreas[i].id;
								_activeCollIndex = i;
								break;
							}
						}
					}
				} else {
					if (descIndex2 != 0) {
						counter = 0;
						for (i = 0; i < 250; i++) {
							if (_collisionAreas[i].left == -1)
								continue;

							if ((_collisionAreas[i].id & 0x8000) == 0)
								continue;

							counter++;
							if (counter != descIndex2)
								continue;

							_activeCollResId = _collisionAreas[i].id;
							_activeCollIndex = i;
							break;
						}
					}
				}
			}
		}

		if (_activeCollResId == 0)
			continue;

		if (_collisionAreas[_activeCollIndex].funcLeave != 0)
			continue;

		WRITE_VAR(2, _vm->_global->_inter_mouseX);
		WRITE_VAR(3, _vm->_global->_inter_mouseY);
		WRITE_VAR(4, _mouseButtons);
		WRITE_VAR(16, array[(uint16)_activeCollResId & ~0x8000]);

		if (_collisionAreas[_activeCollIndex].funcEnter != 0) {
			savedIP = _vm->_global->_inter_execPtr;
			_vm->_global->_inter_execPtr = (char *)_totFileData +
			    _collisionAreas[_activeCollIndex].
			    funcEnter;

			_shouldPushColls = 1;

			_collStackPos = _collStackSize;
			_vm->_inter->funcBlock(0);
			if (_collStackPos != _collStackSize)
				popCollisions();
			_shouldPushColls = 0;
			_vm->_global->_inter_execPtr = savedIP;
		}

		WRITE_VAR(16, 0);
		_activeCollResId = 0;
	}
	while (_activeCollResId == 0 && !_vm->_inter->_terminate && !_vm->_quitRequested);

	if (((uint16)_activeCollResId & ~0x8000) == collResId) {
		_collStackPos = 0;
		var_24 = 0;
		var_26 = 1;
		for (i = 0; i < 250; i++) {
			if (_collisionAreas[i].left == -1)
				continue;

			if ((_collisionAreas[i].id & 0x8000) == 0)
				continue;

			if ((_collisionAreas[i].flags & 0x0f) < 3)
				continue;

			if ((_collisionAreas[i].flags & 0x0f) > 10)
				continue;

			if ((_collisionAreas[i].flags & 0x0f) > 8) {
				char *ptr;
				strcpy(_tempStr,
				    _vm->_global->_inter_variables + _collisionAreas[i].key);
				while ((ptr = strchr(_tempStr, ' ')) != 0) {
					_vm->_util->cutFromStr(_tempStr, (ptr - _tempStr), 1);
					ptr = strchr(_tempStr, ' ');
				}
				strcpy(_vm->_global->_inter_variables + _collisionAreas[i].key, _tempStr);
			}

			if ((_collisionAreas[i].flags & 0x0f) >= 5 &&
			    (_collisionAreas[i].flags & 0x0f) <= 8) {
				str = descArray[var_24].ptr;

				strcpy(_tempStr, _vm->_global->_inter_variables + _collisionAreas[i].key);

				if ((_collisionAreas[i].flags & 0x0f) < 7)
					_vm->_util->prepareStr(_tempStr);

				int16 pos = 0;
				do {
					strcpy(_collStr, str);
					pos += strlen(str) + 1;

					str += strlen(str) + 1;

					if ((_collisionAreas[i].flags & 0x0f) < 7)
						_vm->_util->prepareStr(_collStr);

					if (strcmp(_tempStr, _collStr) == 0) {
						VAR(17)++;
						WRITE_VAR(17 + var_26, 1);
						break;
					}
				} while (READ_LE_UINT16(descArray[var_24].ptr - 2) > pos);
				_collStackPos++;
			} else {
				VAR(17 + var_26) = 2;
			}
			var_24++;
			var_26++;
		}

		if (_collStackPos != (int16)VAR(17))
			WRITE_VAR(17, 0);
		else
			WRITE_VAR(17, 1);
	}

	savedIP = 0;
	if (!_vm->_inter->_terminate) {
		savedIP = (char *)_totFileData +
		    _collisionAreas[_activeCollIndex].funcLeave;

		WRITE_VAR(2, _vm->_global->_inter_mouseX);
		WRITE_VAR(3, _vm->_global->_inter_mouseY);
		WRITE_VAR(4, _mouseButtons);

		if (VAR(16) == 0) {
			WRITE_VAR(16, array[(uint16)_activeCollResId & ~0x8000]);
		}
	}

	for (curCmd = 0; curCmd < count; curCmd++) {
		freeCollision(curCmd + 0x8000);
	}
	_vm->_global->_inter_execPtr = savedIP;
}

int16 Game_v1::multiEdit(int16 time, int16 index, int16 *pCurPos, InputDesc * inpDesc,
		int16 *collResId, int16 *collIndex) {
	Collision *collArea;
	int16 descInd;
	int16 key;
	int16 found = -1;
	int16 i;

	descInd = 0;
	for (i = 0; i < 250; i++) {
		collArea = &_collisionAreas[i];

		if (collArea->left == -1)
			continue;

		if ((collArea->id & 0x8000) == 0)
			continue;

		if ((collArea->flags & 0x0f) < 3)
			continue;

		if ((collArea->flags & 0x0f) > 10)
			continue;

		strcpy(_tempStr, _vm->_global->_inter_variables + collArea->key);

		_vm->_draw->_destSpriteX = collArea->left;
		_vm->_draw->_destSpriteY = collArea->top;
		_vm->_draw->_spriteRight = collArea->right - collArea->left + 1;
		_vm->_draw->_spriteBottom = collArea->bottom - collArea->top + 1;

		_vm->_draw->_destSurface = 21;

		_vm->_draw->_backColor = inpDesc[descInd].backColor;
		_vm->_draw->_frontColor = inpDesc[descInd].frontColor;
		_vm->_draw->_textToPrint = _tempStr;
		_vm->_draw->_transparency = 1;
		_vm->_draw->_fontIndex = inpDesc[descInd].fontIndex;
		_vm->_draw->spriteOperation(DRAW_FILLRECT);
		_vm->_draw->_destSpriteY +=
		    ((collArea->bottom - collArea->top + 1) - 8) / 2;

		_vm->_draw->spriteOperation(DRAW_PRINTTEXT);
		descInd++;
	}

	for (i = 0; i < 40; i++) {
		WRITE_VAR_OFFSET(i * 4 + 0x44, 0);
	}

	while (1) {
		descInd = 0;

		for (i = 0; i < 250; i++) {
			collArea = &_collisionAreas[i];

			if (collArea->left == -1)
				continue;

			if ((collArea->id & 0x8000) == 0)
				continue;

			if ((collArea->flags & 0x0f) < 3)
				continue;

			if ((collArea->flags & 0x0f) > 10)
				continue;

			if (descInd == *pCurPos) {
				found = i;
				break;
			}

			descInd++;
		}

		assert(found != -1);

		collArea = &_collisionAreas[found];

		key = inputArea(collArea->left, collArea->top,
		    collArea->right - collArea->left + 1,
		    collArea->bottom - collArea->top + 1,
		    inpDesc[*pCurPos].backColor, inpDesc[*pCurPos].frontColor,
		    _vm->_global->_inter_variables + collArea->key,
		    inpDesc[*pCurPos].fontIndex, collArea->flags, &time);

		if (_vm->_inter->_terminate)
			return 0;

		switch (key) {
		case 0:
			if (_activeCollResId == 0)
				return 0;

			if ((_collisionAreas[_activeCollIndex].
				flags & 0x0f) < 3)
				return 0;

			if ((_collisionAreas[_activeCollIndex].
				flags & 0x0f) > 10)
				return 0;

			*pCurPos = 0;
			for (i = 0; i < 250; i++) {
				collArea = &_collisionAreas[i];

				if (collArea->left == -1)
					continue;

				if ((collArea->id & 0x8000) == 0)
					continue;

				if ((collArea->flags & 0x0f) < 3)
					continue;

				if ((collArea->flags & 0x0f) > 10)
					continue;

				if (i == _activeCollIndex)
					break;

				pCurPos[0]++;
			}
			break;

		case 0x3b00:
		case 0x3c00:
		case 0x3d00:
		case 0x3e00:
		case 0x3f00:
		case 0x4000:
		case 0x4100:
		case 0x4200:
		case 0x4300:
		case 0x4400:
			return key;

		case 0x1c0d:

			if (index == 1)
				return key;

			if (*pCurPos == index - 1) {
				*pCurPos = 0;
				break;
			}

			pCurPos[0]++;
			break;

		case 0x5000:
			if (index - 1 > *pCurPos)
				pCurPos[0]++;
			break;

		case 0x4800:
			if (*pCurPos > 0)
				pCurPos[0]--;
			break;
		}
	}
}

int16 Game_v1::checkMousePoint(int16 all, int16 *resId, int16 *resIndex) {
	Collision *ptr;
	int16 i;

	if (resId != 0)
		*resId = 0;

	*resIndex = 0;

	ptr = _collisionAreas;
	for (i = 0; ptr->left != -1; ptr++, i++) {
		if (all) {
			if ((ptr->flags & 0xf) > 1)
				continue;

			if ((ptr->flags & 0xff00) != 0)
				continue;

			if (_vm->_global->_inter_mouseX < ptr->left
			    || _vm->_global->_inter_mouseX > ptr->right
			    || _vm->_global->_inter_mouseY < ptr->top
			    || _vm->_global->_inter_mouseY > ptr->bottom)
				continue;

			if (resId != 0)
				*resId = ptr->id;

			*resIndex = i;
			return ptr->key;
		} else {
			if ((ptr->flags & 0xff00) != 0)
				continue;

			if ((ptr->flags & 0xf) != 1 && (ptr->flags & 0xf) != 2)
				continue;

			if ((ptr->flags & 0xf0) >> 4 != _mouseButtons - 1
			    && (ptr->flags & 0xf0) >> 4 != 2)
				continue;

			if (_vm->_global->_inter_mouseX < ptr->left
			    || _vm->_global->_inter_mouseX > ptr->right
			    || _vm->_global->_inter_mouseY < ptr->top
			    || _vm->_global->_inter_mouseY > ptr->bottom)
				continue;

			if (resId != 0)
				*resId = ptr->id;
			*resIndex = i;
			return ptr->key;
		}
	}

	if (_mouseButtons != 1 && all == 0)
		return 0x11b;

	return 0;
}

} // End of namespace Gob