Moved engines to the new engines/ directory

svn-id: r20582

1 files changed, 424 insertions, 0 deletions

diff --git a/engines/lure/game.cpp b/engines/lure/game.cpp
new file mode 100644
index 0000000000..2cc3e39b42
--- /dev/null
+++ b/engines/lure/game.cpp
@@ -0,0 +1,424 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2005-2006 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "lure/game.h"
+#include "lure/strings.h"
+#include "lure/room.h"
+#include "lure/system.h"
+#include "lure/debug-input.h"
+#include "lure/debug-methods.h"
+#include "lure/scripts.h"
+#include "lure/res_struct.h"
+
+namespace Lure {
+
+static Game *int_game = NULL;
+
+Game &Game::getReference() {
+	return *int_game;
+}
+
+Game::Game() {
+	int_game = this;
+	_slowSpeedFlag = true;
+	_soundFlag = true;
+	_remoteView = false;
+}
+
+void Game::nextFrame() {
+	Resources &r = Resources::getReference();
+	HotspotList::iterator i = r.activeHotspots().begin();
+	HotspotList::iterator iTemp;
+
+	// Note the somewhat more complicated loop style as a hotspot tick handler may
+	// unload the hotspot and accompanying record
+	for (; i != r.activeHotspots().end(); i = iTemp) {
+		iTemp = i;
+		++iTemp;
+		Hotspot &h = *i.operator*();
+		h.tick();
+	}
+}
+
+void Game::execute() {
+	OSystem &system = System::getReference();
+	Room &r = Room::getReference();
+	Resources &res = Resources::getReference();
+	Events &events = Events::getReference();
+	Mouse &mouse = Mouse::getReference();
+	Screen &screen = Screen::getReference();
+	Menu &menu = Menu::getReference();
+	ValueTableData &fields = res.fieldList();
+
+	uint32 timerVal = system.getMillis();
+
+	screen.empty();
+	//_screen.resetPalette();
+	screen.setPaletteEmpty();
+
+	Script::execute(STARTUP_SCRIPT);
+
+	// Load the first room
+	r.setRoomNumber(1);
+
+	// Set the player direction
+	res.getActiveHotspot(PLAYER_ID)->setDirection(UP);
+
+	r.update();
+	mouse.setCursorNum(CURSOR_ARROW);
+	mouse.cursorOn();
+	
+	while (!events.quitFlag) {
+		// If time for next frame, allow everything to update
+		if (system.getMillis() > timerVal + GAME_FRAME_DELAY) {
+			timerVal = system.getMillis();
+			nextFrame();			
+		}
+		res.delayList().tick();
+		r.update();
+		system.delayMillis(10);
+
+		while (events.pollEvent()) {
+			if (events.type() == OSystem::EVENT_KEYDOWN) {
+				uint16 roomNum = r.roomNumber();
+
+#ifdef LURE_DEBUG
+				if (events.event().kbd.keycode == 282) {
+					doDebugMenu();
+					continue;
+				}
+#endif
+
+				switch (events.event().kbd.ascii) {
+				case 27:
+					events.quitFlag = true;
+					break;
+
+#ifdef LURE_DEBUG
+				case '+':
+					while (++roomNum <= 51) 
+						if (res.getRoom(roomNum) != NULL) break; 
+					if (roomNum == 52) roomNum = 1;
+
+					r.leaveRoom();
+					r.setRoomNumber(roomNum);
+					break;
+
+				case '-':
+					if (roomNum == 1) roomNum = 55;
+					while (res.getRoom(--roomNum) == NULL) ;
+
+					r.leaveRoom();
+					r.setRoomNumber(roomNum);
+					break;
+
+				case '*':
+					res.getActiveHotspot(PLAYER_ID)->setRoomNumber(
+						r.roomNumber());
+					break;
+#endif
+				default:
+					break;
+				}
+			}
+
+			if (mouse.y() < MENUBAR_Y_SIZE) 
+			{
+				if (mouse.getCursorNum() != CURSOR_MENUBAR) mouse.setCursorNum(CURSOR_MENUBAR);
+				if ((mouse.getCursorNum() == CURSOR_MENUBAR) && mouse.lButton())
+				{
+					uint8 responseId = menu.execute();
+					mouse.setCursorNum((mouse.y() < MENUBAR_Y_SIZE) ? CURSOR_MENUBAR : CURSOR_ARROW);
+					if (responseId != MENUITEM_NONE)
+						handleMenuResponse(responseId);
+				}
+			} else {
+				if (mouse.getCursorNum() == CURSOR_MENUBAR) mouse.setCursorNum(CURSOR_ARROW);
+				
+				if (events.type() == OSystem::EVENT_MOUSEMOVE)
+					r.cursorMoved();
+
+				if (mouse.rButton()) handleRightClickMenu();
+				else if (mouse.lButton()) handleLeftClick();
+			}
+		}
+
+		uint16 destRoom = fields.getField(NEW_ROOM_NUMBER);
+		if (_remoteView && (destRoom != 0)) {
+			// Show a remote view of the specified room
+			uint16 currentRoom = r.roomNumber();
+			r.setRoomNumber(destRoom, true);
+
+			// This code eventually needs to be moved into the main loop so that,
+			// amongst other things, the tick handlers controlling animation can work
+			while (!events.quitFlag && !mouse.lButton() && !mouse.rButton()) {
+				while (events.pollEvent()) {
+					if ((events.type() == OSystem::EVENT_KEYDOWN) && 
+						(events.event().kbd.ascii == 27))
+						events.quitFlag = true;
+					if (events.type() == OSystem::EVENT_MOUSEMOVE)
+						r.cursorMoved();
+				}
+
+				if (system.getMillis() > timerVal + GAME_FRAME_DELAY) {
+					timerVal = system.getMillis();
+					nextFrame();			
+				}
+				res.delayList().tick();
+				r.update();
+				system.delayMillis(10);
+			}
+
+			fields.setField(NEW_ROOM_NUMBER, 0);
+			Hotspot *player = res.getActiveHotspot(PLAYER_ID);
+			player->setTickProc(0x5e44); // reattach player handler
+			_remoteView = false;
+			r.setRoomNumber(currentRoom);
+		}
+	}
+
+	r.leaveRoom();
+}
+
+#ifdef LURE_DEBUG
+
+#define NUM_DEBUG_ITEMS 4
+const char *debugItems[NUM_DEBUG_ITEMS] = 
+		{"Toggle Info", "Set Room", "Show Active HS", "Show Room HS"};
+
+void Game::doDebugMenu() {
+	uint16 index = PopupMenu::Show(NUM_DEBUG_ITEMS, debugItems);
+	Room &r = Room::getReference();
+	Resources &res = Resources::getReference();
+	
+	switch (index) {
+	case 0:
+		// Toggle co-ordinates
+		r.setShowInfo(!r.showInfo());
+		break;
+
+	case 1:
+		// Set room number:
+		uint32 roomNumber;
+		if (!input_integer("Enter room number:", roomNumber)) return;
+		if (res.getRoom(roomNumber))
+			r.setRoomNumber(roomNumber);
+		else
+			Dialog::show("The room does not exist");
+		break;
+
+	case 2:
+		// Show active hotspots
+        showActiveHotspots();
+		break;
+
+	case 3:
+		// Show hotspots in room
+		showRoomHotspots();
+		break;
+
+	default:
+		break;
+	}
+}
+
+#endif
+
+void Game::handleMenuResponse(uint8 selection) {
+	switch (selection) {
+	case MENUITEM_CREDITS:
+		doShowCredits();
+		break;
+
+	case MENUITEM_RESTART_GAME: 
+	case MENUITEM_SAVE_GAME:
+	case MENUITEM_RESTORE_GAME: 
+		break;
+
+	case MENUITEM_QUIT:
+		doQuit();
+		break;
+
+	case MENUITEM_TEXT_SPEED:
+		doTextSpeed();
+		break;
+
+	case MENUITEM_SOUND:
+		doSound();
+	}
+}
+
+void Game::handleRightClickMenu() {
+	Room &r = Room::getReference();
+	Resources &res = Resources::getReference();
+	ValueTableData &fields = Resources::getReference().fieldList();
+	Hotspot *player = res.getActiveHotspot(PLAYER_ID);
+	HotspotData *hotspot;
+	Action action;
+	uint32 actions;
+	uint16 itemId;
+
+	if (r.hotspotId() != 0) {
+		// Get hotspot actions
+		actions = r.hotspotActions();
+	} else {
+		// Standard actions - drink, examine, look, status
+		actions = 0x1184000;
+	}
+
+	// If no inventory items remove entries that require them
+	if (res.numInventoryItems() == 0) 
+		actions &= 0xFEF3F9FD;
+
+	action = NONE;
+	hotspot = NULL;
+
+	bool breakFlag = false;
+	while (!breakFlag) {
+		action = PopupMenu::Show(actions);
+
+		switch (action) {
+		case LOOK:
+		case STATUS:
+			breakFlag = true;
+			break;
+
+		case GIVE:
+		case USE:
+		case EXAMINE:
+		case DRINK:
+			if (action != DRINK)
+				hotspot = res.getHotspot(r.hotspotId());
+			itemId = PopupMenu::ShowInventory();
+			breakFlag = (itemId != 0xffff);
+			if (breakFlag) 
+				fields.setField(USE_HOTSPOT_ID, itemId);
+			break;
+
+		default:
+			hotspot = res.getHotspot(r.hotspotId());
+			breakFlag = true;
+			break;
+		}
+	}
+
+	// Set fields used by the script interpreter
+	fields.setField(CHARACTER_HOTSPOT_ID, PLAYER_ID);
+	if (hotspot) {
+		fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
+		if ((action != USE) && (action != GIVE)) {
+			fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
+		}
+	}
+
+	if (action != NONE)
+		player->doAction(action, hotspot);
+}
+
+void Game::handleLeftClick() {
+	Room &room = Room::getReference();
+	Mouse &mouse = Mouse::getReference();
+	Resources &resources = Resources::getReference();
+
+	if (room.hotspotId()) {
+		// Handle look at hotspot
+		HotspotData *hs = resources.getHotspot(room.hotspotId());
+		Hotspot *player = resources.getActiveHotspot(PLAYER_ID);
+		room.setAction(LOOK_AT);
+		room.update();
+		player->doAction(LOOK_AT, hs);
+		room.setAction(NONE);
+	} else {
+		// Walk to mouse click. TODO: still need to recognise other actions,
+		// such as to room exits or closing an on-screen floating dialog
+		Hotspot *hs =  resources.getActiveHotspot(PLAYER_ID);
+		hs->walkTo(mouse.x(), mouse.y(), 0);
+	}
+}
+
+void Game::doShowCredits() {
+	Events &events = Events::getReference();
+	Mouse &mouse = Mouse::getReference();
+	Screen &screen = Screen::getReference();
+
+	mouse.cursorOff();
+	Palette p(CREDITS_RESOURCE_ID - 1);
+	Surface *s = Surface::getScreen(CREDITS_RESOURCE_ID);
+	screen.setPalette(&p);	
+	s->copyToScreen(0, 0);
+	delete s;
+
+	events.waitForPress();
+
+	screen.resetPalette();
+	screen.update();
+	mouse.cursorOn();
+}
+
+void Game::doQuit() {
+	OSystem &system = System::getReference();
+	Mouse &mouse = Mouse::getReference();
+	Events &events = Events::getReference();
+	Screen &screen = Screen::getReference();
+
+	mouse.cursorOff();
+	Surface *s = Surface::newDialog(190, "Are you sure (y/n)?");
+	s->centerOnScreen();
+	delete s;
+
+	char key = '\0';
+	do {
+		if (events.pollEvent()) {
+			if (events.event().type == OSystem::EVENT_KEYDOWN) {
+				key = events.event().kbd.ascii;
+				if ((key >= 'A') && (key <= 'Z')) key += 'a' - 'A';
+			}
+		}
+		system.delayMillis(10);
+	} while (((uint8) key != 27) && (key != 'y') && (key != 'n'));
+
+	events.quitFlag = key == 'y';
+	if (!events.quitFlag) {
+		screen.update();
+		mouse.cursorOn();
+	}
+}
+
+void Game::doTextSpeed() {
+	Menu &menu = Menu::getReference();
+
+	_slowSpeedFlag = !_slowSpeedFlag;
+	const char *pSrc = _slowSpeedFlag ? "Slow" : "Fast";
+	char *pDest = menu.getMenu(2).getEntry(1);
+	memcpy(pDest, pSrc, 4);
+}
+
+void Game::doSound() {
+	Menu &menu = Menu::getReference();
+
+	_soundFlag = !_soundFlag;
+	const char *pSrc = _soundFlag ? "on " : "off";
+	char *pDest = menu.getMenu(2).getEntry(2) + 6;
+	memcpy(pDest, pSrc, 3);
+}
+
+} // end of namespace Lure