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 "neverhood/navigationscene.h"
24 #include "neverhood/mouse.h"
25 
26 namespace Neverhood {
27 
28 enum AreaType {
29 	kAreaCanMoveForward = 0,
30 	kAreaCannotMoveForward = 1
31 };
32 
NavigationScene(NeverhoodEngine * vm,Module * parentModule,uint32 navigationListId,int navigationIndex,const byte * itemsTypes)33 NavigationScene::NavigationScene(NeverhoodEngine *vm, Module *parentModule, uint32 navigationListId, int navigationIndex, const byte *itemsTypes)
34 	: Scene(vm, parentModule), _itemsTypes(itemsTypes), _navigationIndex(navigationIndex), _smackerDone(false),
35 	_isWalkingForward(false), _isTurning(false), _smackerFileHash(0), _interactive(true), _leaveSceneAfter(false) {
36 
37 	_navigationList = _vm->_staticData->getNavigationList(navigationListId);
38 	_navigationListId = navigationListId;
39 
40 	if (_navigationIndex < 0) {
41 		_navigationIndex = (int)getGlobalVar(V_NAVIGATION_INDEX);
42 		if (_navigationIndex >= (int)_navigationList->size())
43 			_navigationIndex = 0;
44 	}
45 	setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
46 
47 	SetUpdateHandler(&NavigationScene::update);
48 	SetMessageHandler(&NavigationScene::handleMessage);
49 
50 	_smackerPlayer = addSmackerPlayer(new SmackerPlayer(_vm, this, (*_navigationList)[_navigationIndex].fileHash, true, true));
51 
52 	createMouseCursor();
53 
54 	_vm->_screen->clear();
55 	_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
56 
57 	sendMessage(_parentModule, 0x100A, _navigationIndex);
58 }
59 
~NavigationScene()60 NavigationScene::~NavigationScene() {
61 	_vm->_soundMan->setTwoSoundsPlayFlag(false);
62 	_vm->_soundMan->setSoundThreePlayFlag(false);
63 }
64 
getNavigationAreaType()65 int NavigationScene::getNavigationAreaType() {
66 	NPoint mousePos;
67 	mousePos.x = _mouseCursor->getX();
68 	mousePos.y = _mouseCursor->getY();
69 	return sendPointMessage(_mouseCursor, 0x2064, mousePos);
70 }
71 
update()72 void NavigationScene::update() {
73 	if (_smackerFileHash != 0) {
74 		showMouse(false);
75 		_smackerPlayer->open(_smackerFileHash, false);
76 		_vm->_screen->clear();
77 		_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
78 		_smackerDone = false;
79 		/*
80 		if (!_interactive)
81 			_smackerDone = true;
82 		*/
83 		_smackerFileHash = 0;
84 	} else if (_smackerDone) {
85 		if (_leaveSceneAfter) {
86 			_vm->_screen->setSmackerDecoder(NULL);
87 			sendMessage(_parentModule, 0x1009, _navigationIndex);
88 		} else {
89 			const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
90 			createMouseCursor();
91 			showMouse(true);
92 			_isTurning = false;
93 			_isWalkingForward = false;
94 			_interactive = true;
95 			_vm->_soundMan->setTwoSoundsPlayFlag(false);
96 			_vm->_soundMan->setSoundThreePlayFlag(false);
97 			_smackerDone = false;
98 			_smackerPlayer->open(navigationItem.fileHash, true);
99 			_vm->_screen->clear();
100 			_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
101 			sendMessage(_parentModule, 0x100A, _navigationIndex);
102 		}
103 	}
104 	Scene::update();
105 }
106 
handleMessage(int messageNum,const MessageParam & param,Entity * sender)107 uint32 NavigationScene::handleMessage(int messageNum, const MessageParam &param, Entity *sender) {
108 	switch (messageNum) {
109 	case NM_MOUSE_MOVE:
110 		if (_interactive)
111 			sendMessage(_mouseCursor, 0x4002, param);
112 		break;
113 	case NM_MOUSE_CLICK:
114 		if (_interactive)
115 			handleNavigation(param.asPoint());
116 		break;
117 	case NM_KEYPRESS_SPACE:
118 		if (!_interactive)
119 			_smackerDone = true;
120 		break;
121 	case NM_ANIMATION_STOP:
122 		_smackerDone = true;
123 		break;
124 	}
125 	return 0;
126 }
127 
createMouseCursor()128 void NavigationScene::createMouseCursor() {
129 	const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
130 	uint32 mouseCursorFileHash;
131 	int areaType;
132 
133 	if (_mouseCursor)
134 		deleteSprite((Sprite**)&_mouseCursor);
135 
136 	mouseCursorFileHash = navigationItem.mouseCursorFileHash;
137 	if (mouseCursorFileHash == 0)
138 		mouseCursorFileHash = 0x63A40028;
139 
140 	if (_itemsTypes)
141 		areaType = _itemsTypes[_navigationIndex];
142 	else if (navigationItem.middleSmackerFileHash != 0 || navigationItem.middleFlag)
143 		areaType = kAreaCanMoveForward;
144 	else
145 		areaType = kAreaCannotMoveForward;
146 
147 	insertNavigationMouse(mouseCursorFileHash, areaType);
148 	sendPointMessage(_mouseCursor, 0x4002, _vm->getMousePos());
149 }
150 
handleNavigation(const NPoint & mousePos)151 void NavigationScene::handleNavigation(const NPoint &mousePos) {
152 	const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
153 	bool oldIsWalkingForward = _isWalkingForward;
154 	bool oldIsTurning = _isTurning;
155 	uint32 direction = sendPointMessage(_mouseCursor, 0x2064, mousePos);
156 
157 	switch (direction) {
158 	case 0:
159 		if (navigationItem.leftSmackerFileHash != 0) {
160 			_smackerFileHash = navigationItem.leftSmackerFileHash;
161 			_interactive = false;
162 			_isWalkingForward = false;
163 			_isTurning = true;
164 			do {
165 				_navigationIndex--;
166 				if (_navigationIndex < 0)
167 					_navigationIndex = _navigationList->size() - 1;
168 			} while (!(*_navigationList)[_navigationIndex].interactive);
169 			setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
170 		} else {
171 			_vm->_screen->setSmackerDecoder(NULL);
172 			sendMessage(_parentModule, 0x1009, _navigationIndex);
173 		}
174 		break;
175 	case 1:
176 		if (navigationItem.rightSmackerFileHash != 0) {
177 			_smackerFileHash = navigationItem.rightSmackerFileHash;
178 			_interactive = false;
179 			_isWalkingForward = false;
180 			_isTurning = true;
181 			do {
182 				_navigationIndex++;
183 				if (_navigationIndex >= (int)_navigationList->size())
184 					_navigationIndex = 0;
185 			} while (!(*_navigationList)[_navigationIndex].interactive);
186 			setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
187 		} else {
188 			_vm->_screen->setSmackerDecoder(NULL);
189 			sendMessage(_parentModule, 0x1009, _navigationIndex);
190 		}
191 		break;
192 	case 2:
193 	case 3:
194 	case 4:
195 		if (navigationItem.middleFlag) {
196 			_vm->_screen->setSmackerDecoder(NULL);
197 			sendMessage(_parentModule, 0x1009, _navigationIndex);
198 		} else if (navigationItem.middleSmackerFileHash != 0) {
199 			_smackerFileHash = navigationItem.middleSmackerFileHash;
200 			_interactive = false;
201 			_isWalkingForward = true;
202 			_isTurning = false;
203 			_leaveSceneAfter = true;
204 		}
205 		break;
206 	}
207 
208 	if (oldIsTurning != _isTurning)
209 		_vm->_soundMan->setSoundThreePlayFlag(_isTurning);
210 
211 	if (oldIsWalkingForward != _isWalkingForward)
212 		_vm->_soundMan->setTwoSoundsPlayFlag(_isWalkingForward);
213 }
214 
215 } // End of namespace Neverhood
216