Initial commit

engines/bladerunner/regions.cpp

@@ -0,0 +1,120 @@
+/* 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 "bladerunner/regions.h"
+
+#include "bladerunner/savefile.h"
+
+namespace BladeRunner {
+
+Regions::Regions() {
+	_enabled = true;
+	_regions.resize(10);
+	clear();
+}
+
+void BladeRunner::Regions::clear() {
+	for (int i = 0; i < 10; ++i)
+		remove(i);
+}
+
+bool Regions::add(int index, Common::Rect rect, int type) {
+	if (index < 0 || index >= 10)
+		return false;
+
+	if (_regions[index].present)
+		return false;
+
+	_regions[index].rectangle = rect;
+	_regions[index].type = type;
+	_regions[index].present = 1;
+
+	return true;
+}
+
+bool Regions::remove(int index) {
+	if (index < 0 || index >= 10)
+		return false;
+
+	_regions[index].rectangle = Common::Rect(-1, -1, -1, -1);
+	_regions[index].type = -1;
+	_regions[index].present = 0;
+
+	return true;
+}
+
+int Regions::getTypeAtXY(int x, int y) const {
+	int index = getRegionAtXY(x, y);
+
+	if (index == -1)
+		return -1;
+
+	return _regions[index].type;
+}
+
+int Regions::getRegionAtXY(int x, int y) const {
+	if (!_enabled)
+		return -1;
+
+	for (int i = 0; i != 10; ++i) {
+		if (!_regions[i].present)
+			continue;
+
+		// Common::Rect::contains is exclusive of right and bottom but
+		// Blade Runner wants inclusive, so we adjust the edges.
+		Common::Rect r = _regions[i].rectangle;
+		++(r.right);
+		++(r.bottom);
+
+		if (r.contains(x, y))
+			return i;
+	}
+
+	return -1;
+}
+
+void Regions::setEnabled(bool enabled) {
+	_enabled = enabled;
+}
+
+void Regions::enable() {
+	_enabled = true;
+}
+
+void Regions::save(SaveFileWriteStream &f) {
+	f.writeBool(_enabled);
+	for (int i = 0; i != 10; ++i) {
+		f.writeRect(_regions[i].rectangle);
+		f.writeInt(_regions[i].type);
+		f.writeInt(_regions[i].present);
+	}
+}
+
+void Regions::load(SaveFileReadStream &f) {
+	_enabled = f.readBool();
+	for (int i = 0; i != 10; ++i) {
+		_regions[i].rectangle = f.readRect();
+		_regions[i].type = f.readInt();
+		_regions[i].present = f.readInt();
+	}
+}
+
+} // End of namespace BladeRunner