1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "mohawk/myst.h"
24 #include "mohawk/myst_areas.h"
25 #include "mohawk/myst_card.h"
26 #include "mohawk/myst_graphics.h"
27 #include "mohawk/cursors.h"
28 #include "mohawk/sound.h"
29 #include "mohawk/video.h"
30 #include "mohawk/myst_stacks/credits.h"
31 
32 #include "common/system.h"
33 
34 namespace Mohawk {
35 namespace MystStacks {
36 
37 // NOTE: Credits Start Card is 10000
38 
Credits(MohawkEngine_Myst * vm)39 Credits::Credits(MohawkEngine_Myst *vm) :
40 		MystScriptParser(vm, kCreditsStack),
41 		_creditsRunning(false),
42 		_curImage(0) {
43 	setupOpcodes();
44 }
45 
~Credits()46 Credits::~Credits() {
47 }
48 
setupOpcodes()49 void Credits::setupOpcodes() {
50 	// "Stack-Specific" Opcodes
51 	REGISTER_OPCODE(100, Credits, o_quit);
52 
53 	// "Init" Opcodes
54 	REGISTER_OPCODE(200, Credits, o_runCredits);
55 }
56 
disablePersistentScripts()57 void Credits::disablePersistentScripts() {
58 	_creditsRunning = false;
59 }
60 
runPersistentScripts()61 void Credits::runPersistentScripts() {
62 	if (!_creditsRunning)
63 		return;
64 
65 	if (_vm->getTotalPlayTime() - _startTime >= 7 * 1000) {
66 		_curImage++;
67 
68 		// After the 6th image has shown, it's time to quit
69 		if (_curImage == 7) {
70 			_vm->quitGame();
71 			return;
72 		}
73 
74 		// Draw next image
75 		_vm->getCard()->drawBackground();
76 		_vm->_gfx->copyBackBufferToScreen(Common::Rect(544, 333));
77 
78 		_startTime = _vm->getTotalPlayTime();
79 	}
80 }
81 
getVar(uint16 var)82 uint16 Credits::getVar(uint16 var) {
83 	switch(var) {
84 	case 0: // Credits Image Control
85 		return _curImage;
86 	case 1: // Credits Music Control (Good / bad ending)
87 		return _globals.ending != kBooksDestroyed;
88 	default:
89 		return MystScriptParser::getVar(var);
90 	}
91 }
92 
o_runCredits(uint16 var,const ArgumentsArray & args)93 void Credits::o_runCredits(uint16 var, const ArgumentsArray &args) {
94 	// The credits stack does not have all the cursors, reset to the default cursor.
95 	_globals.heldPage = kNoPage;
96 	_vm->setMainCursor(kDefaultMystCursor);
97 
98 	// Activate the credits
99 	_creditsRunning = true;
100 	_curImage = 0;
101 	_startTime = _vm->getTotalPlayTime();
102 }
103 
104 } // End of namespace MystStacks
105 } // End of namespace Mohawk
106