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engines/ultima/ultima8/gumps/cru_pickup_area_gump.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 "ultima/ultima8/gumps/cru_pickup_area_gump.h"
+#include "ultima/ultima8/gumps/cru_pickup_gump.h"
+
+#include "ultima/ultima8/world/item.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+static const int PICKUP_GUMP_GAP = 5;
+static const int PICKUP_GUMP_HEIGHT = 30;
+
+CruPickupAreaGump *CruPickupAreaGump::_instance = nullptr;
+
+DEFINE_RUNTIME_CLASSTYPE_CODE(CruPickupAreaGump)
+
+CruPickupAreaGump::CruPickupAreaGump() : Gump() { }
+
+CruPickupAreaGump::CruPickupAreaGump(bool unused) : Gump(PICKUP_GUMP_GAP, PICKUP_GUMP_GAP, 200, 500, 0, 0, LAYER_ABOVE_NORMAL) {
+}
+
+CruPickupAreaGump::~CruPickupAreaGump() {
+	_instance = nullptr;
+}
+
+void CruPickupAreaGump::InitGump(Gump *newparent, bool take_focus) {
+	Gump::InitGump(newparent, take_focus);
+	assert(!_instance || _instance == this);
+	_instance = this;
+}
+
+void CruPickupAreaGump::addPickup(const Item *item, bool showCount) {
+	if (!item)
+		return;
+
+	uint32 shapeno = item->getShape();
+
+	// Find the location to draw the gump for the new item,
+	// or an existing gump to recycle if we have one already
+	// for that shape
+	int32 maxy = PICKUP_GUMP_GAP;
+	for (auto *i : _children) {
+		CruPickupGump *pug = dynamic_cast<CruPickupGump *>(i);
+		if (!pug)
+			continue;
+		if (pug->getShapeNo() == shapeno) {
+			// Already a notification for this object, update it
+			pug->updateForNewItem(item);
+			return;
+		}
+		int32 x, y;
+		pug->getLocation(x, y);
+		maxy = MAX(maxy, y + PICKUP_GUMP_GAP + PICKUP_GUMP_HEIGHT);
+	}
+
+	// didn't find one, create a new one at the bottom.
+	Gump *newgump = new CruPickupGump(item, maxy, showCount);
+	newgump->InitGump(this, false);
+}
+
+void CruPickupAreaGump::saveData(Common::WriteStream *ws) {
+	Gump::saveData(ws);
+}
+
+bool CruPickupAreaGump::loadData(Common::ReadStream *rs, uint32 version) {
+	if (!Gump::loadData(rs, version))
+		return false;
+
+	if (_instance && _instance != this)
+		delete _instance;
+	_instance = this;
+	return true;
+}
+
+
+CruPickupAreaGump *CruPickupAreaGump::get_instance() {
+	return _instance;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima