MUTATIONOFJB: Refactor inventory UI into separate widget, add button widgets.

1 files changed, 75 insertions, 0 deletions

diff --git a/engines/mutationofjb/widgets/inventorywidget.cpp b/engines/mutationofjb/widgets/inventorywidget.cpp
new file mode 100644
index 0000000000..d78ef10adc
--- /dev/null
+++ b/engines/mutationofjb/widgets/inventorywidget.cpp
@@ -0,0 +1,75 @@
+/* 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 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 "mutationofjb/widgets/inventorywidget.h"
+#include "mutationofjb/game.h"
+#include "mutationofjb/gamedata.h"
+#include "mutationofjb/gui.h"
+#include "mutationofjb/inventory.h"
+#include "common/str.h"
+#include "common/rect.h"
+#include "common/util.h"
+#include "graphics/managed_surface.h"
+
+namespace MutationOfJB {
+
+enum {
+	INVENTORY_START_X = 88,
+	INVENTORY_START_Y = 149,
+	INVENTORY_ITEM_WIDTH = 34,
+	INVENTORY_ITEM_HEIGHT = 33,
+	INVENTORY_ITEMS_PER_LINE = 8,
+	INVENTORY_ITEMS_LINES = 5
+};
+
+InventoryWidget::InventoryWidget(Gui &gui, Gui::InventoryMap &inventoryMap, const Common::Array<Graphics::Surface>& inventorySurfaces) :
+	Widget(gui, Common::Rect(INVENTORY_START_X, INVENTORY_START_Y, INVENTORY_START_X + Inventory::VISIBLE_ITEMS * INVENTORY_ITEM_WIDTH, INVENTORY_START_Y + INVENTORY_ITEM_HEIGHT)),
+	_inventoryMap(inventoryMap),
+	_surfaces(inventorySurfaces) {}
+
+void InventoryWidget::drawInventoryItem(Graphics::ManagedSurface &surface, const Common::String &item, int pos) {
+	Gui::InventoryMap::iterator it = _inventoryMap.find(item);
+	if (it == _inventoryMap.end()) {
+		return;
+	}
+
+	const int index = it->_value;
+	const int surfaceNo = index / (INVENTORY_ITEMS_LINES * INVENTORY_ITEMS_PER_LINE);
+	const int indexInSurface = index % (INVENTORY_ITEMS_LINES * INVENTORY_ITEMS_PER_LINE);
+	const int itemX = indexInSurface % INVENTORY_ITEMS_PER_LINE;
+	const int itemY = indexInSurface / INVENTORY_ITEMS_PER_LINE;
+
+	Common::Point destStartPos(INVENTORY_START_X + pos * INVENTORY_ITEM_WIDTH, INVENTORY_START_Y);
+	Common::Rect sourceRect(itemX * INVENTORY_ITEM_WIDTH, itemY * INVENTORY_ITEM_HEIGHT, (itemX + 1) * INVENTORY_ITEM_WIDTH, (itemY + 1) * INVENTORY_ITEM_HEIGHT);
+	surface.blitFrom(_surfaces[surfaceNo], sourceRect, destStartPos);
+}
+
+void InventoryWidget::_draw(Graphics::ManagedSurface &surface) {
+	Inventory &inventory = _gui.getGame().getGameData().getInventory();
+	const Inventory::Items &items = inventory.getItems();
+	surface.fillRect(_area, 0x00);
+	for (int i = 0; i < MIN((int) items.size(), (int) Inventory::VISIBLE_ITEMS); ++i) {
+		drawInventoryItem(surface, items[i], i);
+	}
+}
+
+}