PEGASUS: Add the InventoryPicture class (and its derivatives)

engines/pegasus/items/inventorypicture.cpp

@@ -0,0 +1,367 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * 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 "pegasus/pegasus.h"
+#include "pegasus/transition.h"
+#include "pegasus/items/inventorypicture.h"
+#include "pegasus/items/biochips/biochipitem.h"
+#include "pegasus/items/inventory/inventoryitem.h"
+
+namespace Pegasus {
+
+InventoryPicture::InventoryPicture(const tDisplayElementID id, InputHandler *nextHandler, Inventory *inventory) :
+		InputHandler(nextHandler), Picture(id), _panelMovie(kNoDisplayElement){
+	_inventory = inventory;
+	_lastReferenceCount = 0xffffffff;
+
+	if (_inventory->getNumItems() > 0) {
+		_currentItemIndex = 0;
+		_currentItem = (Item *)_inventory->getItemAt(0);
+	} else {
+		_currentItemIndex = -1;
+		_currentItem = 0;
+	}
+
+	_active = false;
+	_shouldDrawHighlight = true;
+	_itemsPerRow = 1;
+	_numberOfRows = 1;
+	_itemWidth = 0;
+	_itemHeight = 0;
+	_itemX = 0;
+	_itemY = 0;
+}
+
+void InventoryPicture::initInventoryImage(Transition *transition) {
+	initFromPICTFile(_pictName, true);
+	_panelMovie.shareSurface(this);
+	_panelMovie.initFromMovieFile(_movieName);
+	_panelMovie.getBounds(_highlightBounds);
+	_panelMovie.setTriggeredElement(transition);
+	_highlightImage.initFromPICTFile(_highlightName, true);
+}
+
+void InventoryPicture::throwAwayInventoryImage() {
+	if (isSurfaceValid()) {
+		_panelMovie.releaseMovie();
+		_highlightImage.deallocateSurface();
+		deallocateSurface();
+	}
+}
+
+void InventoryPicture::getItemXY(uint32 index, tCoordType &x, tCoordType &y) {
+	x = (index % _itemsPerRow) * _itemWidth + _itemX;
+	y = (index / _itemsPerRow) * _itemHeight + _itemY;
+}
+
+void InventoryPicture::drawItemHighlight(const Common::Rect &r) {	
+	if (_highlightImage.isSurfaceValid()) {
+		Common::Rect r2 = _highlightBounds;
+		Common::Rect bounds;
+		getBounds(bounds);
+
+		r2.translate(bounds.left, bounds.top);
+		r2 = r2.findIntersectingRect(r);
+		if (!r2.isEmpty()) {
+			Common::Rect r1 = r2;
+			r1.translate(-bounds.left - _highlightBounds.left, -bounds.top - _highlightBounds.top);
+			_highlightImage.drawImage(r1, r2);
+		}
+	}
+}
+
+void InventoryPicture::draw(const Common::Rect &r) {
+	Picture::draw(r);
+	if (_inventory->getNumItems() != 0 && _shouldDrawHighlight)
+		drawItemHighlight(r);
+}
+
+// Assumes index >= 0.
+void InventoryPicture::setCurrentItemIndex(int32 index) {
+	if (index >= _inventory->getNumItems())
+		index = _inventory->getNumItems() - 1;
+
+	Item *currentItem = 0;
+	if (index >= 0)
+		currentItem = (Item *)_inventory->getItemAt(index);
+
+	if (currentItem != _currentItem) {
+		if (_currentItem) {
+			if (_currentItem->isSelected())
+				_currentItem->deselect();
+
+			if (_active)
+				unhighlightCurrentItem();
+		}
+
+		_currentItemIndex = index;
+		_currentItem = currentItem;
+		if (_currentItem) {
+			_currentItem->select();
+
+			if (_active)
+				highlightCurrentItem();
+		}
+
+		if (_active)
+			triggerRedraw();
+	}
+}
+
+void InventoryPicture::setCurrentItemID(tItemID id) {
+	int32 index = _inventory->findIndexOf(id);
+	if (index >= 0)
+		setCurrentItemIndex(index);
+}
+
+tInventoryResult InventoryPicture::addInventoryItem(Item *item) {
+	tInventoryResult result = _inventory->addItem(item);
+
+	if (result == kInventoryOK)
+		setCurrentItemIndex(_inventory->findIndexOf(item));
+
+	return result;
+}
+
+tInventoryResult InventoryPicture::removeInventoryItem(Item *item) {	
+	tInventoryResult result = _inventory->removeItem(item);
+
+	if (result == kInventoryOK)
+		setCurrentItemIndex(getCurrentItemIndex());
+
+	return result;
+}
+
+void InventoryPicture::removeAllItems() {
+	_inventory->removeAllItems();
+	setCurrentItemIndex(0);
+}
+
+bool InventoryPicture::itemInInventory(Item *item) {
+	return _inventory->itemInInventory(item);
+}
+
+bool InventoryPicture::itemInInventory(const tItemID id) {
+	return _inventory->itemInInventory(id);
+}
+
+void InventoryPicture::panelUp() {
+	allowInput(true);
+}
+
+//	Must ensure that the picture matches the _inventory member variable.
+void InventoryPicture::activateInventoryPicture() {
+	if (_active)
+		return;
+
+	allowInput(false);
+
+	if (_lastReferenceCount != _inventory->getReferenceCount()) {
+		uint32 numItems = _inventory->getNumItems();
+
+		tCoordType x, y;
+		getItemXY(0, x, y);
+		_panelMovie.moveElementTo(x, y);
+		_panelMovie.show();
+
+		for (uint32 i = 0; i < numItems; i++) {
+			Item *item = (Item *)_inventory->getItemAt(i);
+			if (item == _currentItem)
+				item->select();
+
+			getItemXY(i, x, y);
+			_panelMovie.moveElementTo(x, y);
+			_panelMovie.setTime(getItemPanelTime(item));
+			_panelMovie.redrawMovieWorld();
+		}
+
+		_panelMovie.setTime(0);
+		uint32 numSlots = _itemsPerRow * _numberOfRows;
+
+		for (uint32 i = numItems; i < numSlots; i++) {
+			getItemXY(i, x, y);
+			_panelMovie.moveElementTo(x, y);
+			_panelMovie.redrawMovieWorld();
+		}
+
+		_lastReferenceCount = _inventory->getReferenceCount();
+	}
+
+	show(); // *** Do we really need this?
+	if (_currentItem)
+		highlightCurrentItem();
+
+	_active = true;
+}
+
+void InventoryPicture::deactivateInventoryPicture() {
+	if (!_active)
+		return;
+
+	_active = false;
+	allowInput(false);
+	_panelMovie.hide();
+	hide();
+
+	if (_inventory->getNumItems() != 0)
+		if (!_currentItem->isActive())
+			_currentItem->activate();
+}
+
+void InventoryPicture::handleInput(const Input &input, const Hotspot *cursorSpot) {
+	if (_active) {
+		if (input.upButtonDown()) {
+			if (_currentItemIndex - _itemsPerRow >= 0)
+				setCurrentItemIndex(_currentItemIndex - _itemsPerRow);
+		} else if (input.downButtonDown()) {
+			if (_currentItemIndex + _itemsPerRow < _inventory->getNumItems())
+				setCurrentItemIndex(_currentItemIndex + _itemsPerRow);
+		} else if (input.leftButtonDown()) {
+			if ((_currentItemIndex % _itemsPerRow) != 0)
+				setCurrentItemIndex(_currentItemIndex - 1);
+		} else if (input.rightButtonDown()) {
+			if (((_currentItemIndex + 1) % _itemsPerRow) != 0 && _currentItemIndex + 1 < _inventory->getNumItems())
+				setCurrentItemIndex(_currentItemIndex + 1);
+		}
+	}
+
+	InputHandler::handleInput(input, cursorSpot);
+}
+
+void InventoryPicture::highlightCurrentItem() {
+	tCoordType x, y;
+	getItemXY(_currentItemIndex, x, y);
+	_highlightBounds.moveTo(x, y);
+}
+
+InventoryItemsPicture::InventoryItemsPicture(const tDisplayElementID id, InputHandler *nextHandler, Inventory *inventory) :
+		InventoryPicture(id, nextHandler, inventory) {
+	_pictName = "Images/Items/Inventory/Inventory Panel";
+	_movieName = "Images/Items/Inventory/Inventory Panel Movie";
+	_highlightName = "Images/Items/Inventory/Inventory Hilite";
+
+	_itemsPerRow = 3;
+	_numberOfRows = 3;
+	_itemWidth = 88;
+	_itemHeight = 64;
+	_itemX = 8;
+	_itemY = 26;
+	_isLooping = true;
+}
+
+void InventoryItemsPicture::loopCurrentItem() {
+	if (_isLooping) {
+		tCoordType x, y;
+		getItemXY(_currentItemIndex, x, y);
+		_panelMovie.moveElementTo(x, y);
+		_highlightBounds.moveTo(x, y);
+
+		TimeValue start, stop;
+		((InventoryItem *)_currentItem)->getPanelTimes(start, stop);
+		_panelMovie.stop();
+		_panelMovie.setFlags(0);
+		_panelMovie.setSegment(start, stop);
+		_panelMovie.setFlags(kLoopTimeBase);
+		_panelMovie.setTime(((InventoryItem *)_currentItem)->getAnimationTime());
+		_panelMovie.start();
+	}
+}
+
+void InventoryItemsPicture::highlightCurrentItem() {
+	InventoryPicture::highlightCurrentItem();
+	loopCurrentItem();
+}
+
+void InventoryItemsPicture::unhighlightCurrentItem() {
+	InventoryPicture::unhighlightCurrentItem();
+	_panelMovie.stop();
+	_panelMovie.setFlags(0);
+	((InventoryItem *)_currentItem)->setAnimationTime(_panelMovie.getTime());
+}
+
+TimeValue InventoryItemsPicture::getItemPanelTime(Item *item) {
+	TimeValue start, stop;
+	((InventoryItem *)item)->getPanelTimes(start, stop);
+	((InventoryItem *)item)->setAnimationTime(start);
+	return start;
+}
+
+void InventoryItemsPicture::deactivateInventoryPicture() {
+	if (_active) {
+		InventoryPicture::deactivateInventoryPicture();
+		_panelMovie.stop();
+		_panelMovie.setFlags(0);
+		_panelMovie.setSegment(0, _panelMovie.getDuration());
+		_isLooping = true;
+	}
+}
+
+void InventoryItemsPicture::playEndMessage(DisplayElement *pushElement) {
+	Movie endMessage(0);
+
+	_shouldDrawHighlight = false;
+	endMessage.shareSurface(this);
+	endMessage.initFromMovieFile("Images/Caldoria/A56 Congrats");
+	endMessage.moveElementTo(kFinalMessageLeft - kInventoryPushLeft, kFinalMessageTop - kInventoryPushTop);
+	endMessage.setTriggeredElement(pushElement);
+	endMessage.start();
+
+	while (endMessage.isRunning()) {
+		((PegasusEngine *)g_engine)->refreshDisplay();
+		g_system->delayMillis(10);
+	}
+
+	endMessage.stop();
+}
+
+BiochipPicture::BiochipPicture(const tDisplayElementID id, InputHandler *nextHandler, Inventory *inventory) :
+		InventoryPicture(id, nextHandler, inventory) {
+	_pictName = "Images/Items/Biochips/Biochip Panel";
+	_movieName = "Images/Items/Biochips/Biochip Panel Movie";
+	_highlightName = "Images/Items/Biochips/BioChip Hilite";
+
+	_itemsPerRow = 4;
+	_numberOfRows = 2;
+	_itemWidth = 46;
+	_itemHeight = 46;
+	_itemX = 4;
+	_itemY = 24;
+}
+
+void BiochipPicture::unhighlightCurrentItem() {
+	InventoryPicture::unhighlightCurrentItem();
+	tCoordType x, y;
+	getItemXY(_currentItemIndex, x, y);
+	_panelMovie.show();
+	_panelMovie.moveElementTo(x, y);
+	_panelMovie.setTime(getItemPanelTime(_currentItem));
+	_panelMovie.redrawMovieWorld();
+}
+
+TimeValue BiochipPicture::getItemPanelTime(Item *item) {
+	return ((BiochipItem *)item)->getPanelTime();
+}
+
+} // End of namespace Pegasus