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engines/ultima/ultima8/gumps/target_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/ultima.h"
+#include "ultima/ultima8/gumps/target_gump.h"
+#include "ultima/ultima8/ultima8.h"
+#include "ultima/ultima8/kernel/mouse.h"
+#include "ultima/ultima8/gumps/gump_notify_process.h"
+#include "ultima/ultima8/world/item.h"
+#include "ultima/ultima8/world/get_object.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+DEFINE_RUNTIME_CLASSTYPE_CODE(TargetGump)
+
+TargetGump::TargetGump() : ModalGump(), _targetTracing(false) {
+
+}
+
+// Skip pause as usecode processes need to complete & matches original game
+TargetGump::TargetGump(int x, int y)
+	: ModalGump(x, y, 0, 0, 0, FLAG_DONT_SAVE | FLAG_PREVENT_SAVE, LAYER_MODAL, false),
+	_targetTracing(false) {
+
+}
+
+TargetGump::~TargetGump() {
+}
+
+void TargetGump::PaintThis(RenderSurface *surf, int32 lerp_factor, bool scaled) {
+	// we're invisible
+}
+
+void TargetGump::InitGump(Gump *newparent, bool take_focus) {
+	ModalGump::InitGump(newparent, take_focus);
+
+	// we need a notifier process
+	CreateNotifier();
+
+	Mouse *mouse = Mouse::get_instance();
+	mouse->pushMouseCursor(Mouse::MOUSE_TARGET);
+}
+
+void TargetGump::Close(bool no_del) {
+	Mouse *mouse = Mouse::get_instance();
+	mouse->popMouseCursor();
+
+	ModalGump::Close(no_del);
+}
+
+bool TargetGump::PointOnGump(int mx, int my) {
+	// HACK alert: if we're currently tracing from TargetGump::onMouseUp,
+	//  then we do NOT want to intercept the trace
+	if (_targetTracing) return false;
+
+	return ModalGump::PointOnGump(mx, my);
+}
+
+void TargetGump::onMouseUp(int button, int32 mx, int32 my) {
+	if (button == Mouse::BUTTON_LEFT) {
+		_targetTracing = true;
+
+		_parent->GumpToScreenSpace(mx, my);
+
+		Gump *desktopgump = _parent;
+		ObjId objId = desktopgump->TraceObjId(mx, my);
+		Item *item = getItem(objId);
+
+		if (item) {
+			// done
+			debugC(kDebugObject, "Target result: %s", item->dumpInfo().c_str());
+
+			_processResult = objId;
+			Close();
+		}
+
+		_targetTracing = false;
+	}
+}
+
+bool TargetGump::OnKeyDown(int key, int mod) {
+	switch (key) {
+	case Common::KEYCODE_ESCAPE: {
+		Close();
+	} break;
+	default:
+		break;
+	}
+
+	return true;
+}
+
+uint32 TargetGump::I_target(const uint8 * /*args*/, unsigned int /*argsize*/) {
+	TargetGump *targetgump = new TargetGump(0, 0);
+	targetgump->InitGump(0);
+
+	return targetgump->GetNotifyProcess()->getPid();
+}
+
+void TargetGump::saveData(Common::WriteStream *ws) {
+	warning("Trying to save ModalGump");
+}
+
+bool TargetGump::loadData(Common::ReadStream *rs, uint32 versin) {
+	warning("Trying to load ModalGump");
+	return false;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima