1 files changed, 106 insertions, 0 deletions
diff --git a/engines/sherlock/tattoo/tattoo_user_interface.cpp b/engines/sherlock/tattoo/tattoo_user_interface.cpp
new file mode 100644
index 0000000000..98ec34d62c
--- /dev/null
+++ b/engines/sherlock/tattoo/tattoo_user_interface.cpp
@@ -0,0 +1,106 @@
+/* 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 "sherlock/tattoo/tattoo_user_interface.h"
+#include "sherlock/tattoo/tattoo_scene.h"
+#include "sherlock/sherlock.h"
+
+namespace Sherlock {
+
+namespace Tattoo {
+
+TattooUserInterface::TattooUserInterface(SherlockEngine *vm): UserInterface(vm) {
+	_menuBuffer = nullptr;
+	_invMenuBuffer = nullptr;
+}
+
+void TattooUserInterface::handleInput() {
+	// TODO
+	_vm->_events->pollEventsAndWait();
+}
+
+void TattooUserInterface::doBgAnimRestoreUI() {
+	TattooScene &scene = *((TattooScene *)_vm->_scene);
+	Screen &screen = *_vm->_screen;
+
+	// If _oldMenuBounds was set, then either a new menu has been opened or the current menu has been closed.
+	// Either way, we need to restore the area where the menu was displayed
+	if (_oldMenuBounds.width() > 0)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_oldMenuBounds.left, _oldMenuBounds.top),
+			_oldMenuBounds);
+
+	if (_oldInvMenuBounds.width() > 0)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_oldInvMenuBounds.left, _oldInvMenuBounds.top),
+			_oldInvMenuBounds);
+
+	if (_menuBuffer != nullptr)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_menuBounds.left, _menuBounds.top), _menuBounds);
+	if (_invMenuBuffer != nullptr)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_invMenuBounds.left, _invMenuBounds.top), _invMenuBounds);
+
+	// If there is a Text Tag being display, restore the area underneath it
+	if (_oldTagBounds.width() > 0)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_oldTagBounds.left, _oldTagBounds.top), 
+			_oldTagBounds);
+
+	// If there is an Inventory being shown, restore the graphics underneath it
+	if (_oldInvGraphicBounds.width() > 0)
+		screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(_oldInvGraphicBounds.left, _oldInvGraphicBounds.top), 
+			_oldInvGraphicBounds);
+
+	// If a canimation is active, restore the graphics underneath it
+	if (scene._activeCAnim._images != nullptr)
+		screen.restoreBackground(scene._activeCAnim._oldBounds);
+
+	// If a canimation just ended, remove it's graphics from the backbuffer
+	if (scene._activeCAnim._removeBounds.width() > 0)
+		screen.restoreBackground(scene._activeCAnim._removeBounds);
+}
+
+void TattooUserInterface::doScroll() {
+	Screen &screen = *_vm->_screen;
+	int oldScroll = screen._currentScroll;
+
+	// If we're already at the target scroll position, nothing needs to be done
+	if (screen._targetScroll == screen._currentScroll)
+		return;
+
+	screen._flushScreen = true;
+	if (screen._targetScroll > screen._currentScroll) {
+		screen._currentScroll += screen._scrollSpeed;
+		if (screen._currentScroll > screen._targetScroll)
+			screen._currentScroll = screen._targetScroll;
+	} else if (screen._targetScroll < screen._currentScroll) {
+		screen._currentScroll -= screen._scrollSpeed;
+		if (screen._currentScroll < screen._targetScroll)
+			screen._currentScroll = screen._targetScroll;
+	}
+
+	if (_menuBuffer != nullptr)
+		_menuBounds.translate(screen._currentScroll - oldScroll, 0);
+	if (_invMenuBuffer != nullptr)
+		_invMenuBounds.translate(screen._currentScroll - oldScroll, 0);
+}
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock