scummvm/engines/xeen/interface.cpp

/* 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 "xeen/interface.h"
#include "xeen/resources.h"
#include "xeen/xeen.h"

namespace Xeen {

Interface::Interface(XeenEngine *vm) : ButtonContainer(), _vm(vm) {
	Common::fill(&_partyFaces[0], &_partyFaces[MAX_ACTIVE_PARTY], nullptr);
	_batUIFrame = 0;
	_spotDoorsUIFrame = 0;
	_dangerSenseUIFrame = 0;
	_face1UIFrame = 0;
	_face2UIFrame = 0;
	_blessedUIFrame = 0;
	_powerShieldUIFrame = 0;
	_holyBonusUIFrame = 0;
	_heroismUIFrame = 0;
	_isEarlyGame = false;
	_buttonsLoaded = false;

	loadSprites();
}

void Interface::loadSprites() {
	_globalSprites.load("global.icn");
	_borderSprites.load("border.icn");
	_spellFxSprites.load("spellfx.icn");
	_fecpSprites.load("fecp.brd");
	_blessSprites.load("bless.icn");
}

void Interface::setup(bool soundPlayed) {
	SpriteResource uiSprites("inn.icn");

	// Get mappings to the active characters in the party
	_vm->_party._activeParty.resize(_vm->_party._partyCount);
	for (int i = 0; i < _vm->_party._partyCount; ++i) {
		_vm->_party._activeParty[i] = &_vm->_roster[_vm->_party._partyMembers[i]];
	}

	_isEarlyGame = _vm->_party._minutes >= 300;

	if (_vm->_party._mazeId == 0) {
		if (!soundPlayed) {
			warning("TODO: loadSound?");
		}

		if (!_partyFaces[0]) {
			// Xeen only uses 24 of possible 30 character slots
			loadCharIcons(XEEN_TOTAL_CHARACTERS);

			for (int i = 0; i < _vm->_party._partyCount; ++i)
				_partyFaces[i] = &_charFaces[_vm->_party._partyMembers[i]];
		}

		_vm->_mode = MODE_1;
		Common::Array<int> xeenSideChars;

		// Build up a list of characters on the same Xeen side being loaded
		for (int i = 0; i < XEEN_TOTAL_CHARACTERS; ++i) {
			PlayerStruct &player = _vm->_roster[i];
			if (player._name.empty() || player._xeenSide != _vm->_loadDarkSide)
				continue;

			xeenSideChars.push_back(i);
		}

		// Add in buttons for the UI
		_buttonsLoaded = true;
		addButton(Common::Rect(16, 100, 40, 120), 242, &uiSprites, true);
		addButton(Common::Rect(52, 100, 76, 120), 243, &uiSprites, true);
		addButton(Common::Rect(87, 100, 111, 120), 68, &uiSprites, true);
		addButton(Common::Rect(122, 100, 146, 120), 82, &uiSprites, true);
		addButton(Common::Rect(157, 100, 181, 120), 67, &uiSprites, true);
		addButton(Common::Rect(192, 100, 216, 120), 88, &uiSprites, true);
		addButton(Common::Rect(), 27, &uiSprites, false);
		addButton(Common::Rect(16, 16, 48, 48), 49, &uiSprites, false);
		addButton(Common::Rect(117, 16, 139, 48), 50, &uiSprites, false);
		addButton(Common::Rect(16, 59, 48, 81), 51, &uiSprites, false);
		addButton(Common::Rect(117, 59, 149, 81), 52, &uiSprites, false);

		setupBackground();
	}
}

void Interface::loadCharIcons(int numChars) {
	for (int i = 0; i < numChars; ++i) {
		// Load new character resource
		Common::String name = Common::String::format("char%02d.fac", i);
		_charFaces[i].load(name);
	}

	_dseFace.load("dse.fac");
}

void Interface::setupBackground() {
	_vm->_screen->loadBackground("back.raw");
	assembleBorder();
}

void Interface::assembleBorder() {
	Screen &screen = *_vm->_screen;
	Window &gameWindow = screen._windows[28];

	// Draw the outer frame
	_globalSprites.draw(gameWindow, 0);

	// Draw the animating bat character used to show when levitate is active
	_borderSprites.draw(screen, _vm->_party._levitateActive ? _batUIFrame + 16 : 16);
	_batUIFrame = (_batUIFrame + 1) % 12;

	// Draw UI element to indicate whether can spot hidden doors
	_borderSprites.draw(screen,
		(_vm->_spotDoorsAllowed && _vm->_party.checkSkill(SPOT_DOORS)) ? _spotDoorsUIFrame + 28 : 28,
		Common::Point(194, 91));
	_spotDoorsUIFrame = (_spotDoorsUIFrame + 1) % 12;

	// Draw UI element to indicate whether can sense danger
	_borderSprites.draw(screen,
		(_vm->_dangerSenseAllowed && _vm->_party.checkSkill(DANGER_SENSE)) ? _spotDoorsUIFrame + 40 : 40,
		Common::Point(107, 9));
	_dangerSenseUIFrame = (_dangerSenseUIFrame + 1) % 12;

	// Handle the face UI elements for indicating clairvoyance status
	_face1UIFrame = (_face1UIFrame + 1) % 4;
	if (_vm->_face1State == 0)
		_face1UIFrame += 4;
	else if (_vm->_face1State == 2)
		_face1UIFrame = 0;

	_face2UIFrame = (_face2UIFrame + 1) % 4 + 12;
	if (_vm->_face2State == 0)
		_face2UIFrame += 252;
	else if (_vm->_face2State == 2)
		_face2UIFrame = 0;

	if (!_vm->_party._clairvoyanceActive) {
		_face1UIFrame = 0;
		_face2UIFrame = 8;
	}

	_borderSprites.draw(screen, _face1UIFrame, Common::Point(0, 32));
	_borderSprites.draw(screen,
		screen._windows[10]._enabled || screen._windows[2]._enabled ?
		52 : _face2UIFrame,
		Common::Point(215, 32));

	// Draw resistence indicators
	if (!screen._windows[10]._enabled && !screen._windows[2]._enabled
		&& screen._windows[38]._enabled) {
		_fecpSprites.draw(screen, _vm->_party._fireResistence ? 1 : 0,
			Common::Point(2, 2));
		_fecpSprites.draw(screen, _vm->_party._electricityResistence ? 3 : 2,
			Common::Point(219, 2));
		_fecpSprites.draw(screen, _vm->_party._coldResistence ? 5 : 4,
			Common::Point(2, 134));
		_fecpSprites.draw(screen, _vm->_party._poisonResistence ? 7 : 6,
			Common::Point(219, 134));
	} else {
		_fecpSprites.draw(screen, _vm->_party._fireResistence ? 9 : 8,
			Common::Point(8, 8));
		_fecpSprites.draw(screen, _vm->_party._electricityResistence ? 10 : 11,
			Common::Point(219, 8));
		_fecpSprites.draw(screen, _vm->_party._coldResistence ? 12 : 13,
			Common::Point(8, 134));
		_fecpSprites.draw(screen, _vm->_party._poisonResistence ? 14 : 15,
			Common::Point(219, 134));
	}

	// Draw UI element for blessed
	_blessSprites.draw(screen, 16, Common::Point(33, 137));
	if (_vm->_party._blessedActive) {
		_blessedUIFrame = (_blessedUIFrame + 1) % 4;
		_blessSprites.draw(screen, _blessedUIFrame, Common::Point(33, 137));
	}

	// Draw UI element for power shield
	if (_vm->_party._powerShieldActive) {
		_powerShieldUIFrame = (_powerShieldUIFrame + 1) % 4;
		_blessSprites.draw(screen, _powerShieldUIFrame + 4,
			Common::Point(55, 137));
	}

	// Draw UI element for holy bonus
	if (_vm->_party._holyBonusActive) {
		_holyBonusUIFrame = (_holyBonusUIFrame + 1) % 4;
		_blessSprites.draw(screen, _holyBonusUIFrame + 8, Common::Point(160, 137));
	}

	// Draw UI element for heroism
	if (_vm->_party._heroismActive) {
		_heroismUIFrame = (_heroismUIFrame + 1) % 4;
		_blessSprites.draw(screen, _heroismUIFrame + 12, Common::Point(182, 137));
	}

	// Draw direction character if direction sense is active
	if (_vm->_party.checkSkill(DIRECTION_SENSE) && !_vm->_noDirectionSense) {
		const char *dirText = DIRECTION_TEXT[_vm->_party._mazeDirection];
		Common::String msg = Common::String::format(
			"\002""08\003""c\013""139\011""116%c\014""d\001", *dirText);
		screen._windows[0].writeString(msg);
	}

	// Draw view frame
	if (screen._windows[12]._enabled)
		screen._windows[12].frame();
}

} // End of namespace Xeen