/* 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.
 *
 */

#include "sherlock/scalpel/scalpel.h"
#include "sherlock/sherlock.h"
#include "sherlock/music.h"
#include "sherlock/animation.h"
#include "engines/util.h"

namespace Sherlock {

namespace Scalpel {

#define PROLOGUE_NAMES_COUNT 6

// The following are a list of filenames played in the prologue that have
// special effects associated with them at specific frames
static const char *const PROLOGUE_NAMES[PROLOGUE_NAMES_COUNT] = {
	"subway1", "subway2", "finale2", "suicid", "coff3", "coff4"
};

static const int PROLOGUE_FRAMES[6][9] = {
	{ 4, 26, 54, 72, 92, 134, FRAMES_END },
	{ 2, 80, 95, 117, 166, FRAMES_END },
	{ 1, FRAMES_END },
	{ 42, FRAMES_END },
	{ FRAMES_END },
	{ FRAMES_END }
};

#define TITLE_NAMES_COUNT 7

// Title animations file list
static const char *const TITLE_NAMES[TITLE_NAMES_COUNT] = {
	"27pro1", "14note", "coff1", "coff2", "coff3", "coff4", "14kick"
};

static const int TITLE_FRAMES[7][9] = {
	{ 29, 131, FRAMES_END },
	{ 55, 80, 95, 117, 166, FRAMES_END },
	{ 15, FRAMES_END },
	{ 4, 37, 92, FRAMES_END },
	{ 2, 43, FRAMES_END },
	{ 2, FRAMES_END },
	{ 10, 50, FRAMES_END }
};

#define NUM_PLACES 100

static const int MAP_X[NUM_PLACES] = {
	0, 368, 0, 219, 0, 282, 0, 43, 0, 0, 396, 408, 0, 0, 0, 568, 37, 325,
	28, 0, 263, 36, 148, 469, 342, 143, 443, 229, 298, 0, 157, 260, 432,
	174, 0, 351, 0, 528, 0, 136, 0, 0, 0, 555, 165, 0, 506, 0, 0, 344, 0, 0
};
static const int MAP_Y[NUM_PLACES] = {
	0, 147, 0, 166, 0, 109, 0, 61, 0, 0, 264, 70, 0, 0, 0, 266, 341, 30, 275,
	0, 294, 146, 311, 230, 184, 268, 133, 94, 207, 0, 142, 142, 330, 255, 0,
	37, 0, 70, 0, 116, 0, 0, 0, 50, 21, 0, 303, 0, 0, 229, 0, 0
};

static const int MAP_TRANSLATE[NUM_PLACES] = {
	0, 0, 0, 1, 0, 2, 0, 3, 4, 0, 4, 6, 0, 0, 0, 8, 9, 10, 11, 0, 12, 13, 14, 7,
	15, 16, 17, 18, 19, 0, 20, 21, 22, 23, 0, 24, 0, 25, 0, 26, 0, 0, 0, 27,
	28, 0, 29, 0, 0, 30, 0
};

static const byte MAP_SEQUENCES[3][MAX_FRAME] = {
	{ 1, 1, 2, 3, 4, 0 },		// Overview Still
	{ 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0 },
	{ 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 0 }
};

#define MAX_PEOPLE 66

const char PEOPLE_PORTRAITS[MAX_PEOPLE][5] = {
	{ "HOLM" },			// Sherlock Holmes
	{ "WATS" },			// Dr. Watson
	{ "LEST" },			// Inspector Lestrade
	{ "CON1" },			// Constable O'Brien
	{ "CON2" },			// Constable Lewis
	{ "SHEI" },			// Sheila Parker
	{ "HENR" },			// Henry Carruthers
	{ "LESL" },			// Lesley (flower girl)
	{ "USH1" },			// Usher #1
	{ "USH2" },			// Usher #2
	{ "FRED" },			// Fredrick Epstein
	{ "WORT" },			// Mrs. Worthington
	{ "COAC" },			// Coach
	{ "PLAY" },			// Player
	{ "WBOY" },			// Tim (Waterboy)
	{ "JAME" },			// James Sanders
	{ "BELL" },			// Belle (perfumerie)
	{ "GIRL" },			// Cleaning Girl (perfumerie)
	{ "EPST" },			// Epstien in the Opera Balcony
	{ "WIGG" },			// Wiggins
	{ "PAUL" },			// Paul (Brumwell / Carroway)
	{ "BART" },			// Bartender
	{ "DIRT" },			// Dirty Drunk
	{ "SHOU" },			// Shouting Drunk
	{ "STAG" },			// Staggering Drunk
	{ "BOUN" },			// Bouncer
	{ "SAND" },			// James Sanders - At Home
	{ "CORO" },			// The Coroner
	{ "EQUE" },			// The Equestrian Shop Keeper
	{ "GEOR" },			// George Blackwood
	{ "LARS" },			// Lars
	{ "PARK" },			// Sheila Parker (happy)
	{ "CHEM" },			// Chemist
	{ "GREG" },			// Inspector Gregson
	{ "LAWY" },			// Jacob Farthington Lawyer
	{ "MYCR" },			// Mycroft
	{ "SHER" },			// Old Sherman
	{ "CHMB" },			// Richard Chemist Stock boy
	{ "BARM" },			// Barman
	{ "DAND" },			// Dandy Player
	{ "ROUG" },			// Rough-looking Player
	{ "SPEC" },			// Spectator
	{ "HUNT" },			// Robert Hunt
	{ "VIOL" },			// Violet Secretary
	{ "PETT" },			// Pettigrew
	{ "APPL" },			// Augie (apple seller)
	{ "ANNA" },			// Anna Carroway
	{ "GUAR" },			// Guard
	{ "ANTO" },			// Antonio Caruso
	{ "TOBY" },			// Toby the Dog
	{ "KING" },			// Simon Kingsley
	{ "ALFR" },			// Alfred Tobacco Clerk
	{ "LADY" },			// Lady Brumwell
	{ "ROSA" },			// Madame Rosa
	{ "LADB" },			// Lady Brumwell
	{ "MOOR" },			// Joseph Moorehead
	{ "BEAL" },			// Mrs. Beale
	{ "LION" },			// Felix the Lion
	{ "HOLL" },			// Hollingston
	{ "CALL" },			// Constable Callaghan
	{ "JERE" },			// Sergeant Jeremy Duncan
	{ "LORD" },			// Lord Brumwell
	{ "NIGE" },			// Nigel Jameson
	{ "JONA" },			// Jonas (newspaper seller)
	{ "DUGA" },			// Constable Dugan
	{ "INSP" }			// Inspector Lestrade (Scotland Yard)
};

const char *const PEOPLE_NAMES[MAX_PEOPLE] = {
	"Sherlock Holmes",
	"Dr. Watson",
	"Inspector Lestrade",
	"Constable O'Brien",
	"Constable Lewis",
	"Sheila Parker",
	"Henry Carruthers",
	"Lesley",
	"An Usher",
	"An Usher",
	"Fredrick Epstein",
	"Mrs. Worthington",
	"The Coach",
	"A Player",
	"Tim",
	"James Sanders",
	"Belle",
	"Cleaning Girl",
	"Fredrick Epstein",
	"Wiggins",
	"Paul",
	"The Bartender",
	"A Dirty Drunk",
	"A Shouting Drunk",
	"A Staggering Drunk",
	"The Bouncer",
	"James Sanders",
	"The Coroner",
	"Reginald Snipes",
	"George Blackwood",
	"Lars",
	"Sheila Parker",
	"The Chemist",
	"Inspector Gregson",
	"Jacob Farthington",
	"Mycroft",
	"Old Sherman",
	"Richard",
	"The Barman",
	"A Dandy Player",
	"A Rough-looking Player",
	"A Spectator",
	"Robert Hunt",
	"Violet",
	"Pettigrew",
	"Augie",
	"Anna Carroway",
	"A Guard",
	"Antonio Caruso",
	"Toby the Dog",
	"Simon Kingsley",
	"Alfred",
	"Lady Brumwell",
	"Madame Rosa",
	"Lady Brumwell",
	"Joseph Moorehead",
	"Mrs. Beale",
	"Felix",
	"Hollingston",
	"Constable Callaghan",
	"Sergeant Duncan",
	"Lord Brumwell",
	"Nigel Jaimeson",
	"Jonas",
	"Constable Dugan",
	"Inspector Lestrade"
};

static const byte PEOPLE_STILL_SEQUENCES[MAX_PEOPLE][MAX_TALK_SEQUENCES] = {
	{ 1, 0, 0 },	// Sherlock Holmes
	{ 6, 0, 0 },	// Dr. Watson
	{ 4, 0, 0 },	// Inspector Lestrade
	{ 2, 0, 0 },	// Constable #1
	{ 2, 0, 0 },	// Constable #2
	{ 2, 0, 0 },	// Sheila Parker
	{ 3, 0, 0 },	// Henry Carruthers
	{ 9, 0, 0 },	// Lesly (flower girl)
	{ 13, 0, 0 },	// Usher #1
	{ 2, 0, 0 },	// Usher #2
	{ 4, 0, 0 },	// Fredrick Epstein
	{ 9, 0, 0 },	// Mrs.Worthington
	{ 2, 0, 0 },	// Coach
	{ 8, 0, 0 },	// Player
	{ 13, 0, 0 },	// Waterboy
	{ 6, 0, 0 },	// James Sanders
	{ 1, 0, 0 },	// Belle (perfumerie)
	{ 20, 0, 0 },	// Cleaning Girl (perfumerie)
	{ 17, 0, 0 },	// Epstien in the Opera Balcony
	{ 3, 0, 0 },	// Wiggins
	{ 2, 0, 0 },	// Paul (Brumwell/Carroway)
	{ 1, 0, 0 },	// Bartender
	{ 1, 0, 0 },	// Dirty Drunk
	{ 1, 0, 0 },	// Shouting Drunk
	{ 1, 0, 0 },	// Staggering Drunk
	{ 1, 0, 0 },	// Bouncer
	{ 6, 0, 0 },	// James Sanders - At Home
	{ 6, 0, 0 },	// The Coroner
	{ 1, 0, 0 },	// The Equestrian Shop Keeper
	{ 1, 0, 0 },	// George Blackwood
	{ 7, 0, 0 },	// Lars
	{ 1, 0, 0 },	// Sheila Parker
	{ 8, 0, 0 },	// Chemist
	{ 6, 0, 0 },	// Inspector Gregson
	{ 1, 0, 0 },	// Lawyer
	{ 1, 0, 0 },	// Mycroft
	{ 7, 0, 0 },	// Old Sherman
	{ 1, 0, 0 },	// Stock Boy in Chemist Shop
	{ 1, 0, 0 },	// Barman
	{ 1, 0, 0 },	// Dandy Player
	{ 1, 0, 0 },	// Rough-looking Player
	{ 1, 0, 0 },	// Spectator
	{ 1, 0, 0 },	// Robert Hunt
	{ 3, 0, 0 },	// Violet Secretary
	{ 1, 0, 0 },	// Pettigrew
	{ 8, 0, 0 },	// Augie (apple seller)
	{ 16, 0, 0 },	// Anna Carroway
	{ 1, 0, 0 },	// Guard
	{ 8, 0, 0 },	// Antonio Caruso
	{ 1, 0, 0 },	// Toby the Dog
	{ 13, 0, 0 },	// Simon Kingsley
	{ 2, 0, 0 },	// Alfred Tobacco Clerk
	{ 1, 0, 0 },	// Lady Brumwell
	{ 1, 0, 0 },	// Madame Rosa
	{ 1, 0, 0 },	// Lady Brumwell
	{ 1, 0, 0 },	// Joseph Moorehead
	{ 5, 0, 0 },	// Mrs. Beale
	{ 1, 0, 0 },	// Felix the Lion
	{ 1, 0, 0 },	// Hollingston
	{ 1, 0, 0 },	// Constable Callaghan
	{ 2, 0, 0 },	// Sergeant Jeremy Duncan
	{ 1, 0, 0 },	// Lord Brumwell
	{ 1, 0, 0 },	// Nigel Jameson
	{ 1, 0, 0 },	// Jonas (newspaper seller)
	{ 1, 0, 0 },	// Constable Dugan
	{ 4, 0, 0 }		// Inspector Lestrade (Yard)
};

static const byte PEOPLE_TALK_SEQUENCES[MAX_PEOPLE][MAX_TALK_SEQUENCES] = {
	{ 1, 0, 0 },					// Sherlock Holmes
	{ 5, 5, 6, 7, 8, 7, 8, 6, 0, 0 },	// Dr. Watson
	{ 2, 0, 0 },					// Inspector Lestrade
	{ 1, 0, 0 },					// Constable #1
	{ 1, 0, 0 },					// Constable #2
	{ 2, 3, 0, 0 },					// Sheila Parker
	{ 3, 0, 0 },					// Henry Carruthers
	{ 1, 2, 3, 2, 1, 2, 3, 0, 0 },	// Lesly (flower girl)
	{ 13, 14, 0, 0 },				// Usher #1
	{ 2, 0, 0 },					// Usher #2
	{ 1, 2, 3, 4, 3, 4, 3, 2, 0, 0 },	// Fredrick Epstein
	{ 8, 0, 0 },						// Mrs.Worthington
	{ 1, 2, 3, 4, 5, 4, 3, 2, 0, 0 },	// Coach
	{ 7, 8, 0, 0 },						// Player
	{ 12, 13, 0, 0 },					// Waterboy
	{ 3, 4, 0, 0 },						// James Sanders
	{ 4, 5, 0, 0 },						// Belle (perfumerie)
	{ 14, 15, 16, 17, 18, 19, 20, 20, 20, 0, 0 },	// Cleaning Girl (perfumerie)
	{ 16, 17, 18, 18, 18, 17, 17, 0, 0 },	// Epstien in the Opera Balcony
	{ 2, 3, 0, 0 },					// Wiggins
	{ 1, 2, 0, 0 },					// Paul (Brumwell/Carroway)
	{ 1, 0, 0 },					// Bartender
	{ 1, 0, 0 },					// Dirty Drunk
	{ 1, 0, 0 },					// Shouting Drunk
	{ 1, 0, 0 },					// Staggering Drunk
	{ 1, 0, 0 },					// Bouncer
	{ 5, 6, 0, 0 },					// James Sanders - At Home
	{ 4, 5, 0, 0 },					// The Coroner
	{ 1, 0, 0 },					// The Equestrian Shop Keeper
	{ 1, 0, 0 },					// George Blackwood
	{ 5, 6, 0, 0 },					// Lars
	{ 1, 0, 0 },					// Sheila Parker
	{ 8, 9, 0, 0 },					// Chemist
	{ 5, 6, 0, 0 },					// Inspector Gregson
	{ 1, 0, 0 },					// Lawyer
	{ 1, 0, 0 },					// Mycroft
	{ 7, 8, 0, 0 },					// Old Sherman
	{ 1, 0, 0 },					// Stock Boy in Chemist Shop
	{ 1, 0, 0 },					// Barman
	{ 1, 0, 0 },					// Dandy Player
	{ 1, 0, 0 },					// Rough-looking Player
	{ 1, 0, 0 },					// Spectator
	{ 1, 0, 0 },					// Robert Hunt
	{ 3, 4, 0, 0 },					// Violet Secretary
	{ 1, 0, 0 },					// Pettigrew
	{ 14, 15, 0, 0 },				// Augie (apple seller)
	{ 3, 4, 5, 6, 0, 0 },			// Anna Carroway
	{ 4, 5, 6, 0, 0 },				// Guard
	{ 7, 8, 0, 0 },					// Antonio Caruso
	{ 1, 0, 0 },					// Toby the Dog
	{ 13, 14, 0, 0 },				// Simon Kingsley
	{ 2, 3, 0, 0 },					// Alfred Tobacco Clerk
	{ 3, 4, 0, 0 },					// Lady Brumwell
	{ 1, 30, 0, 0 },				// Madame Rosa
	{ 3, 4, 0, 0 },					// Lady Brumwell
	{ 1, 0, 0 },					// Joseph Moorehead
	{ 14, 15, 16, 17, 18, 19, 20, 0, 0 },	// Mrs. Beale
	{ 1, 0, 0 },					// Felix the Lion
	{ 1, 0, 0 },					// Hollingston
	{ 1, 0, 0 },					// Constable Callaghan
	{ 1, 1, 2, 2, 0, 0 },			// Sergeant Jeremy Duncan
	{ 9, 10, 0, 0 },				// Lord Brumwell
	{ 1, 2, 0, 138, 3, 4, 0, 138, 0, 0 },	// Nigel Jameson
	{ 1, 8, 0, 0 },					// Jonas (newspaper seller)
	{ 1, 0, 0 },					// Constable Dugan
	{ 2, 0, 0 }						// Inspector Lestrade (Yard)
};

/*----------------------------------------------------------------*/

ScalpelEngine::ScalpelEngine(OSystem *syst, const SherlockGameDescription *gameDesc) :
		SherlockEngine(syst, gameDesc) {
	_darts = nullptr;
	_mapResult = 0;
}

ScalpelEngine::~ScalpelEngine() {
	delete _darts;
}

void ScalpelEngine::initialize() {
	initGraphics(320, 200, false);

	// Let the base engine intialize
	SherlockEngine::initialize();

	_darts = new Darts(this);

	_flags.resize(100 * 8);
	_flags[3] = true;		// Turn on Alley
	_flags[39] = true;		// Turn on Baker Street

	if (!isDemo()) {
		// Load the map co-ordinates for each scene and sequence data
		_map->loadPoints(NUM_PLACES, &MAP_X[0], &MAP_Y[0], &MAP_TRANSLATE[0]);
		_map->loadSequences(3, &MAP_SEQUENCES[0][0]);
		_map->_oldCharPoint = BAKER_ST_EXTERIOR;
	}

	// Load the inventory
	loadInventory();

	// Set up list of people
	for (int idx = 0; idx < MAX_PEOPLE; ++idx)
		_people->_characters.push_back(PersonData(PEOPLE_NAMES[idx], PEOPLE_PORTRAITS[idx],
			PEOPLE_STILL_SEQUENCES[idx], PEOPLE_TALK_SEQUENCES[idx]));

	_animation->setPrologueNames(&PROLOGUE_NAMES[0], PROLOGUE_NAMES_COUNT);
	_animation->setPrologueFrames(&PROLOGUE_FRAMES[0][0], 6, 9);

	_animation->setTitleNames(&TITLE_NAMES[0], TITLE_NAMES_COUNT);
	_animation->setTitleFrames(&TITLE_FRAMES[0][0], 7, 9);

	// Starting scene
	if (isDemo() && _interactiveFl)
		_scene->_goToScene = 3;
	else
		_scene->_goToScene = 4;
}

void ScalpelEngine::showOpening() {
	if (isDemo() && _interactiveFl)
		return;

	if (!showCityCutscene())
		return;
	if (!showAlleyCutscene())
		return;
	if (!showStreetCutscene())
		return;
	if (!showOfficeCutscene())
		return;

	_events->clearEvents();
	_music->stopMusic();
}

bool ScalpelEngine::showCityCutscene() {
	byte palette[PALETTE_SIZE];

	_music->playMusic("prolog1.mus");
	_animation->_gfxLibraryFilename = "title.lib";
	_animation->_soundLibraryFilename = "title.snd";
	bool finished = _animation->play("26open1", 1, 255, true, 2);

	if (finished) {
		ImageFile titleImages("title2.vgs", true);
		_screen->_backBuffer1.blitFrom(*_screen);
		_screen->_backBuffer2.blitFrom(*_screen);

		// London, England
		_screen->_backBuffer1.transBlitFrom(titleImages[0], Common::Point(10, 11));
		_screen->randomTransition();
		finished = _events->delay(1000, true);

		// November, 1888
		if (finished) {
			_screen->_backBuffer1.transBlitFrom(titleImages[1], Common::Point(101, 102));
			_screen->randomTransition();
			finished = _events->delay(5000, true);
		}

		// Transition out the title
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2);
		_screen->randomTransition();
	}

	if (finished)
		finished = _animation->play("26open2", 1, 0, false, 2);

	if (finished) {
		ImageFile titleImages("title.vgs", true);
		_screen->_backBuffer1.blitFrom(*_screen);
		_screen->_backBuffer2.blitFrom(*_screen);

		// The Lost Files of
		_screen->_backBuffer1.transBlitFrom(titleImages[0], Common::Point(75, 6));
		// Sherlock Holmes
		_screen->_backBuffer1.transBlitFrom(titleImages[1], Common::Point(34, 21));
		// copyright
		_screen->_backBuffer1.transBlitFrom(titleImages[2], Common::Point(4, 190));

		_screen->verticalTransition();
		finished = _events->delay(4000, true);

		if (finished) {
			_screen->_backBuffer1.blitFrom(_screen->_backBuffer2);
			_screen->randomTransition();
			finished = _events->delay(2000);
		}

		if (finished) {
			_screen->getPalette(palette);
			_screen->fadeToBlack(2);
		}

		if (finished) {
			// In the alley...
			_screen->transBlitFrom(titleImages[3], Common::Point(72, 51));
			_screen->fadeIn(palette, 3);
			finished = _events->delay(3000, true);
		}
	}

	_animation->_gfxLibraryFilename = "";
	_animation->_soundLibraryFilename = "";
	return finished;
}

bool ScalpelEngine::showAlleyCutscene() {
	byte palette[PALETTE_SIZE];
	_music->playMusic("prolog2.mus");

	_animation->_gfxLibraryFilename = "TITLE.LIB";
	_animation->_soundLibraryFilename = "TITLE.SND";

	bool finished = _animation->play("27PRO1", 1, 3, true, 2);
	if (finished)
		finished = _animation->play("27PRO2", 1, 0, false, 2);

	if (finished) {
		showLBV("scream.lbv");
		finished = _events->delay(6000);
	}

	if (finished)
		finished = _animation->play("27PRO3", 1, 0, true, 2);

	if (finished) {
		_screen->getPalette(palette);
		_screen->fadeToBlack(2);
	}

	if (finished) {
		ImageFile titleImages("title3.vgs", true);
		// "Early the following morning on Baker Street..."
		_screen->_backBuffer1.transBlitFrom(titleImages[0], Common::Point(35, 51), false, 0);
		_screen->fadeIn(palette, 3);
		finished = _events->delay(1000);
	}

	_animation->_gfxLibraryFilename = "";
	_animation->_soundLibraryFilename = "";
	return finished;
}

bool ScalpelEngine::showStreetCutscene() {
	_animation->_gfxLibraryFilename = "TITLE.LIB";
	_animation->_soundLibraryFilename = "TITLE.SND";

	_music->playMusic("PROLOG3.MUS");

	bool finished = _animation->play("14KICK", 1, 3, true, 2);

	if (finished)
		finished = _animation->play("14NOTE", 1, 0, false, 2);

	_animation->_gfxLibraryFilename = "";
	_animation->_soundLibraryFilename = "";
	return finished;
}


bool ScalpelEngine::scrollCredits() {
	// Load the images for displaying credit text
	Common::SeekableReadStream *stream = _res->load("credits.vgs", "title.lib");
	ImageFile creditsImages(*stream);
	_screen->setPalette(creditsImages._palette);
	delete stream;

	// Save a copy of the screen background for use in drawing each credit frame
	_screen->_backBuffer1.blitFrom(*_screen);

	// Loop for showing the credits
	for(int idx = 0; idx < 600 && !_events->kbHit() && !shouldQuit(); ++idx) {
		// Copy the entire screen background before writing text
		_screen->blitFrom(_screen->_backBuffer1);

		// Write the text appropriate for the next frame
		if (idx < 400)
			_screen->transBlitFrom(creditsImages[0], Common::Point(10, 200 - idx), false, 0);
		if (idx > 200)
			_screen->transBlitFrom(creditsImages[1], Common::Point(10, 400 - idx), false, 0);

		// Don't show credit text on the top and bottom ten rows of the screen
		_screen->blitFrom(_screen->_backBuffer1, Common::Point(0, 0), Common::Rect(0, 0, _screen->w(), 10));
		_screen->blitFrom(_screen->_backBuffer1, Common::Point(0, _screen->h() - 10),
			Common::Rect(0, _screen->h() - 10, _screen->w(), _screen->h()));

		_events->delay(100);
	}

	return true;
}

bool ScalpelEngine::showOfficeCutscene() {
	_music->playMusic("PROLOG4.MUS");
	_animation->_gfxLibraryFilename = "TITLE2.LIB";
	_animation->_soundLibraryFilename = "TITLE.SND";

	bool finished = _animation->play("COFF1", 1, 3, true, 3);
	if (finished)
		finished = _animation->play("COFF2", 1, 0, false, 3);
	if (finished) {
		showLBV("note.lbv");

		if (_sound->_voices) {
			finished = _sound->playSound("NOTE1", WAIT_KBD_OR_FINISH);
			if (finished)
				finished = _sound->playSound("NOTE2", WAIT_KBD_OR_FINISH);
			if (finished)
				finished = _sound->playSound("NOTE3", WAIT_KBD_OR_FINISH);
			if (finished)
				finished = _sound->playSound("NOTE4", WAIT_KBD_OR_FINISH);
		} else
			finished = _events->delay(19000);

		if (finished) {
			_events->clearEvents();
			finished = _events->delay(500);
		}
	}

	if (finished)
		finished = _animation->play("COFF3", 1, 0, true, 3);

	if (finished)
		finished = _animation->play("COFF4", 1, 0, false, 3);

	if (finished)
		finished = scrollCredits();

	if (finished)
		_screen->fadeToBlack(3);

	_animation->_gfxLibraryFilename = "";
	_animation->_soundLibraryFilename = "";
	return finished;
}

void ScalpelEngine::loadInventory() {
	Inventory &inv = *_inventory;

	// Initial inventory
	inv._holdings = 2;
	inv.push_back(InventoryItem(0, "Message", "A message requesting help", "_ITEM03A"));
	inv.push_back(InventoryItem(0, "Holmes Card", "A number of business cards", "_ITEM07A"));

	// Hidden items
	inv.push_back(InventoryItem(95, "Tickets", "Opera Tickets", "_ITEM10A"));
	inv.push_back(InventoryItem(138, "Cuff Link", "Cuff Link", "_ITEM04A"));
	inv.push_back(InventoryItem(138, "Wire Hook", "Wire Hook", "_ITEM06A"));
	inv.push_back(InventoryItem(150, "Note", "Note", "_ITEM13A"));
	inv.push_back(InventoryItem(481, "Open Watch", "An open pocket watch", "_ITEM62A"));
	inv.push_back(InventoryItem(481, "Paper", "A piece of paper with numbers on it", "_ITEM44A"));
	inv.push_back(InventoryItem(532, "Letter", "A letter folded many times", "_ITEM68A"));
	inv.push_back(InventoryItem(544, "Tarot", "Tarot Cards", "_ITEM71A"));
	inv.push_back(InventoryItem(544, "Ornate Key", "An ornate key", "_ITEM70A"));
	inv.push_back(InventoryItem(586, "Pawn ticket", "A pawn ticket", "_ITEM16A"));
}

void ScalpelEngine::showLBV(const Common::String &filename) {
	Common::SeekableReadStream *stream = _res->load(filename, "title.lib");
	ImageFile images(*stream);
	delete stream;

	_screen->setPalette(images._palette);
	_screen->_backBuffer1.blitFrom(images[0]);
	_screen->verticalTransition();
}

void ScalpelEngine::startScene() {
	if (_scene->_goToScene == OVERHEAD_MAP || _scene->_goToScene == OVERHEAD_MAP2) {
		// Show the map
		if (_music->_musicOn && _music->loadSong(100))
			_music->startSong();

		_scene->_goToScene = _map->show();

		_music->freeSong();
		_people->_hSavedPos = Common::Point(-1, -1);
		_people->_hSavedFacing = -1;
	}

	// Some rooms are prologue cutscenes, rather than normal game scenes. These are:
	//  2: Blackwood's capture
	// 52: Rescuing Anna
	// 53: Moorehead's death / subway train
	// 55: Fade out and exit
	// 70: Brumwell suicide
	switch (_scene->_goToScene) {
	case BLACKWOOD_CAPTURE:
	case RESCUE_ANNA:
	case MOOREHEAD_DEATH:
	case BRUMWELL_SUICIDE:
		if (_music->_musicOn && _music->loadSong(_scene->_goToScene))
			_music->startSong();

		switch (_scene->_goToScene) {
		case BLACKWOOD_CAPTURE:
			// Blackwood's capture
			_res->addToCache("final2.vda", "epilogue.lib");
			_res->addToCache("final2.vdx", "epilogue.lib");
			_animation->play("final1", 1, 3, true, 4);
			_animation->play("final2", 1, 0, false, 4);
			break;

		case RESCUE_ANNA:
			// Rescuing Anna
			_res->addToCache("finalr2.vda", "epilogue.lib");
			_res->addToCache("finalr2.vdx", "epilogue.lib");
			_res->addToCache("finale1.vda", "epilogue.lib");
			_res->addToCache("finale1.vdx", "epilogue.lib");
			_res->addToCache("finale2.vda", "epilogue.lib");
			_res->addToCache("finale2.vdx", "epilogue.lib");
			_res->addToCache("finale3.vda", "epilogue.lib");
			_res->addToCache("finale3.vdx", "epilogue.lib");
			_res->addToCache("finale4.vda", "EPILOG2.lib");
			_res->addToCache("finale4.vdx", "EPILOG2.lib");

			_animation->play("finalr1", 1, 3, true, 4);
			_animation->play("finalr2", 1, 0, false, 4);

			if (!_res->isInCache("finale2.vda")) {
				// Finale file isn't cached
				_res->addToCache("finale2.vda", "epilogue.lib");
				_res->addToCache("finale2.vdx", "epilogue.lib");
				_res->addToCache("finale3.vda", "epilogue.lib");
				_res->addToCache("finale3.vdx", "epilogue.lib");
				_res->addToCache("finale4.vda", "EPILOG2.lib");
				_res->addToCache("finale4.vdx", "EPILOG2.lib");
			}

			_animation->play("finale1", 1, 0, false, 4);
			_animation->play("finale2", 1, 0, false, 4);
			_animation->play("finale3", 1, 0, false, 4);

			_useEpilogue2 = true;
			_animation->play("finale4", 1, 0, false, 4);
			_useEpilogue2 = false;
			break;

		case MOOREHEAD_DEATH:
			// Moorehead's death / subway train
			_res->addToCache("SUBWAY2.vda", "epilogue.lib");
			_res->addToCache("SUBWAY2.vdx", "epilogue.lib");
			_res->addToCache("SUBWAY3.vda", "epilogue.lib");
			_res->addToCache("SUBWAY3.vdx", "epilogue.lib");

			_animation->play("SUBWAY1", 1, 3, true, 4);
			_animation->play("SUBWAY2", 1, 0, false, 4);
			_animation->play("SUBWAY3", 1, 0, false, 4);

			// Set fading to direct fade temporary so the transition goes quickly.
			_scene->_tempFadeStyle = _screen->_fadeStyle ? 257 : 256;
			_screen->_fadeStyle = false;
			break;

		case BRUMWELL_SUICIDE:
			// Brumwell suicide
			_animation->play("suicid", 1, 3, true, 4);
			break;
		default:
			break;
		}

		// Except for the Moorehead Murder scene, fade to black first
		if (_scene->_goToScene != MOOREHEAD_DEATH) {
			_events->wait(40);
			_screen->fadeToBlack(3);
		}

		switch (_scene->_goToScene) {
		case 52:
			_scene->_goToScene = LAWYER_OFFICE;		// Go to the Lawyer's Office
			_map->_bigPos = Common::Point(0, 0);	// Overland scroll position
			_map->_overPos = Common::Point(22900 - 600, 9400 + 900);	// Overland position
			_map->_oldCharPoint = LAWYER_OFFICE;
			break;

		case 53:
			_scene->_goToScene = STATION;			// Go to St. Pancras Station
			_map->_bigPos = Common::Point(0, 0);	// Overland scroll position
			_map->_overPos = Common::Point(32500 - 600, 3000 + 900);	// Overland position
			_map->_oldCharPoint = STATION;
			break;

		default:
			_scene->_goToScene = BAKER_STREET;		// Back to Baker st.
			_map->_bigPos = Common::Point(0, 0);	// Overland scroll position
			_map->_overPos = Common::Point(14500 - 600, 8400 + 900);	// Overland position
			_map->_oldCharPoint = BAKER_STREET;
			break;
		}

		// Free any song from the previous scene
		_music->freeSong();
		break;

	case EXIT_GAME:
		// Exit game
		_screen->fadeToBlack(3);
		quitGame();
		return;

	default:
		break;
	}

	_events->setCursor(ARROW);

	if (_scene->_goToScene == 99) {
		// Darts Board minigame
		_darts->playDarts();
		_mapResult = _scene->_goToScene = PUB_INTERIOR;
	}

	_mapResult = _scene->_goToScene;
}

void ScalpelEngine::eraseMirror12() {
	Common::Point pt((*_people)[AL]._position.x / 100, (*_people)[AL]._position.y / 100);

	// If player is in range of the mirror, then restore background from the secondary back buffer
	if (Common::Rect(70, 100, 200, 200).contains(pt)) {
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(137, 18),
			Common::Rect(137, 18, 184, 74));
	}
}

void ScalpelEngine::doMirror12() {
	People &people = *_people;
	Person &player = people._player;

	Common::Point pt((*_people)[AL]._position.x / 100, (*_people)[AL]._position.y / 100);
	int frameNum = player._walkSequences[player._sequenceNumber][player._frameNumber] +
		player._walkSequences[player._sequenceNumber][0] - 2;

	switch ((*_people)[AL]._sequenceNumber) {
	case WALK_DOWN:
		frameNum -= 7;
		break;
	case WALK_UP:
		frameNum += 7;
		break;
	case WALK_DOWNRIGHT:
		frameNum += 7;
		break;
	case WALK_UPRIGHT:
		frameNum -= 7;
		break;
	case WALK_DOWNLEFT:
		frameNum += 7;
		break;
	case WALK_UPLEFT:
		frameNum -= 7;
		break;
	case STOP_DOWN:
		frameNum -= 10;
		break;
	case STOP_UP:
		frameNum += 11;
		break;
	case STOP_DOWNRIGHT:
		frameNum -= 15;
		break;
	case STOP_DOWNLEFT:
		frameNum -= 15;
		break;
	case STOP_UPRIGHT:
	case STOP_UPLEFT:
		frameNum += 15;
		if (frameNum == 55)
			frameNum = 54;
		break;
	default:
		break;
	}

	if (Common::Rect(80, 100, 145, 138).contains(pt)) {
		// Get the frame of Sherlock to draw
		ImageFrame &imageFrame = (*people[AL]._images)[frameNum];

		// Draw the mirror image of Holmes
		bool flipped = people[AL]._sequenceNumber == WALK_LEFT || people[AL]._sequenceNumber == STOP_LEFT
			|| people[AL]._sequenceNumber == WALK_UPRIGHT || people[AL]._sequenceNumber == STOP_UPRIGHT
			|| people[AL]._sequenceNumber == WALK_DOWNLEFT || people[AL]._sequenceNumber == STOP_DOWNLEFT;
		_screen->_backBuffer1.transBlitFrom(imageFrame, pt + Common::Point(38, -imageFrame._frame.h - 25), flipped);

		// Redraw the mirror borders to prevent the drawn image of Holmes from appearing outside of the mirror
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(114, 18),
			Common::Rect(114, 18, 137, 114));
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(137, 70),
			Common::Rect(137, 70, 142, 114));
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(142, 71),
			Common::Rect(142, 71, 159, 114));
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(159, 72),
			Common::Rect(159, 72, 170, 116));
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(170, 73),
			Common::Rect(170, 73, 184, 114));
		_screen->_backBuffer1.blitFrom(_screen->_backBuffer2, Common::Point(184, 18),
			Common::Rect(184, 18, 212, 114));
	}
}

void ScalpelEngine::flushMirror12() {
	Common::Point pt((*_people)[AL]._position.x / 100, (*_people)[AL]._position.y / 100);

	// If player is in range of the mirror, then draw the entire mirror area to the screen
	if (Common::Rect(70, 100, 200, 200).contains(pt))
		_screen->slamArea(137, 18, 47, 56);
}

} // End of namespace Scalpel

} // End of namespace Scalpel