Initial commit

engines/neverhood/navigationscene.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "neverhood/navigationscene.h"
+#include "neverhood/mouse.h"
+
+namespace Neverhood {
+
+enum AreaType {
+	kAreaCanMoveForward = 0,
+	kAreaCannotMoveForward = 1
+};
+
+NavigationScene::NavigationScene(NeverhoodEngine *vm, Module *parentModule, uint32 navigationListId, int navigationIndex, const byte *itemsTypes)
+	: Scene(vm, parentModule), _itemsTypes(itemsTypes), _navigationIndex(navigationIndex), _smackerDone(false),
+	_isWalkingForward(false), _isTurning(false), _smackerFileHash(0), _interactive(true), _leaveSceneAfter(false) {
+
+	_navigationList = _vm->_staticData->getNavigationList(navigationListId);
+	_navigationListId = navigationListId;
+
+	if (_navigationIndex < 0) {
+		_navigationIndex = (int)getGlobalVar(V_NAVIGATION_INDEX);
+		if (_navigationIndex >= (int)_navigationList->size())
+			_navigationIndex = 0;
+	}
+	setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
+
+	SetUpdateHandler(&NavigationScene::update);
+	SetMessageHandler(&NavigationScene::handleMessage);
+
+	_smackerPlayer = addSmackerPlayer(new SmackerPlayer(_vm, this, (*_navigationList)[_navigationIndex].fileHash, true, true));
+
+	createMouseCursor();
+
+	_vm->_screen->clear();
+	_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
+
+	sendMessage(_parentModule, 0x100A, _navigationIndex);
+}
+
+NavigationScene::~NavigationScene() {
+	_vm->_soundMan->setTwoSoundsPlayFlag(false);
+	_vm->_soundMan->setSoundThreePlayFlag(false);
+}
+
+int NavigationScene::getNavigationAreaType() {
+	NPoint mousePos;
+	mousePos.x = _mouseCursor->getX();
+	mousePos.y = _mouseCursor->getY();
+	return sendPointMessage(_mouseCursor, 0x2064, mousePos);
+}
+
+void NavigationScene::update() {
+	if (_smackerFileHash != 0) {
+		showMouse(false);
+		_smackerPlayer->open(_smackerFileHash, false);
+		_vm->_screen->clear();
+		_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
+		_smackerDone = false;
+		/*
+		if (!_interactive)
+			_smackerDone = true;
+		*/
+		_smackerFileHash = 0;
+	} else if (_smackerDone) {
+		if (_leaveSceneAfter) {
+			_vm->_screen->setSmackerDecoder(nullptr);
+			sendMessage(_parentModule, 0x1009, _navigationIndex);
+		} else {
+			const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
+			createMouseCursor();
+			showMouse(true);
+			_isTurning = false;
+			_isWalkingForward = false;
+			_interactive = true;
+			_vm->_soundMan->setTwoSoundsPlayFlag(false);
+			_vm->_soundMan->setSoundThreePlayFlag(false);
+			_smackerDone = false;
+			_smackerPlayer->open(navigationItem.fileHash, true);
+			_vm->_screen->clear();
+			_vm->_screen->setSmackerDecoder(_smackerPlayer->getSmackerDecoder());
+			sendMessage(_parentModule, 0x100A, _navigationIndex);
+		}
+	}
+	Scene::update();
+}
+
+uint32 NavigationScene::handleMessage(int messageNum, const MessageParam &param, Entity *sender) {
+	switch (messageNum) {
+	case NM_MOUSE_MOVE:
+		if (_interactive)
+			sendMessage(_mouseCursor, 0x4002, param);
+		break;
+	case NM_MOUSE_CLICK:
+		if (_interactive)
+			handleNavigation(param.asPoint());
+		break;
+	case NM_KEYPRESS_SPACE:
+		if (!_interactive)
+			_smackerDone = true;
+		break;
+	case NM_ANIMATION_STOP:
+		_smackerDone = true;
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+void NavigationScene::createMouseCursor() {
+	const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
+	uint32 mouseCursorFileHash;
+	int areaType;
+
+	if (_mouseCursor)
+		deleteSprite((Sprite**)&_mouseCursor);
+
+	mouseCursorFileHash = navigationItem.mouseCursorFileHash;
+	if (mouseCursorFileHash == 0)
+		mouseCursorFileHash = 0x63A40028;
+
+	if (_itemsTypes)
+		areaType = _itemsTypes[_navigationIndex];
+	else if (navigationItem.middleSmackerFileHash != 0 || navigationItem.middleFlag)
+		areaType = kAreaCanMoveForward;
+	else
+		areaType = kAreaCannotMoveForward;
+
+	insertNavigationMouse(mouseCursorFileHash, areaType);
+	sendPointMessage(_mouseCursor, 0x4002, _vm->getMousePos());
+}
+
+void NavigationScene::handleNavigation(const NPoint &mousePos) {
+	const NavigationItem &navigationItem = (*_navigationList)[_navigationIndex];
+	bool oldIsWalkingForward = _isWalkingForward;
+	bool oldIsTurning = _isTurning;
+	uint32 direction = sendPointMessage(_mouseCursor, 0x2064, mousePos);
+
+	switch (direction) {
+	case 0:
+		if (navigationItem.leftSmackerFileHash != 0) {
+			_smackerFileHash = navigationItem.leftSmackerFileHash;
+			_interactive = false;
+			_isWalkingForward = false;
+			_isTurning = true;
+			do {
+				_navigationIndex--;
+				if (_navigationIndex < 0)
+					_navigationIndex = _navigationList->size() - 1;
+			} while (!(*_navigationList)[_navigationIndex].interactive);
+			setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
+		} else {
+			_vm->_screen->setSmackerDecoder(nullptr);
+			sendMessage(_parentModule, 0x1009, _navigationIndex);
+		}
+		break;
+	case 1:
+		if (navigationItem.rightSmackerFileHash != 0) {
+			_smackerFileHash = navigationItem.rightSmackerFileHash;
+			_interactive = false;
+			_isWalkingForward = false;
+			_isTurning = true;
+			do {
+				_navigationIndex++;
+				if (_navigationIndex >= (int)_navigationList->size())
+					_navigationIndex = 0;
+			} while (!(*_navigationList)[_navigationIndex].interactive);
+			setGlobalVar(V_NAVIGATION_INDEX, _navigationIndex);
+		} else {
+			_vm->_screen->setSmackerDecoder(nullptr);
+			sendMessage(_parentModule, 0x1009, _navigationIndex);
+		}
+		break;
+	case 2:
+	case 3:
+	case 4:
+		if (navigationItem.middleFlag) {
+			_vm->_screen->setSmackerDecoder(nullptr);
+			sendMessage(_parentModule, 0x1009, _navigationIndex);
+		} else if (navigationItem.middleSmackerFileHash != 0) {
+			_smackerFileHash = navigationItem.middleSmackerFileHash;
+			_interactive = false;
+			_isWalkingForward = true;
+			_isTurning = false;
+			_leaveSceneAfter = true;
+		}
+		break;
+	default:
+		break;
+	}
+
+	if (oldIsTurning != _isTurning)
+		_vm->_soundMan->setSoundThreePlayFlag(_isTurning);
+
+	if (oldIsWalkingForward != _isWalkingForward)
+		_vm->_soundMan->setTwoSoundsPlayFlag(_isWalkingForward);
+}
+
+} // End of namespace Neverhood