Initial commit

engines/bladerunner/boundingbox.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 "bladerunner/boundingbox.h"
+
+#include "bladerunner/savefile.h"
+
+namespace BladeRunner {
+
+// TO VERIFY
+// First vertex is typically the bottom left point (x0, y0, z0)
+// and second vertex is the top right (x1, y1, z1)
+// Hence, we also assume that x0 < x1, y0 < y1 and z0 < z1 (ie. see how the inside() method makes its calculation)
+// TODO Maybe add a check here to catch any exceptions?
+BoundingBox::BoundingBox(float x0, float y0, float z0, float x1, float y1, float z1) {
+	_vertices[0].x = x0;
+	_vertices[0].y = y0;
+	_vertices[0].z = z0;
+
+	_vertices[1].x = x1;
+	_vertices[1].y = y1;
+	_vertices[1].z = z1;
+}
+
+void BoundingBox::expand(float x0, float y0, float z0, float x1, float y1, float z1) {
+	_vertices[0].x += x0;
+	_vertices[0].y += y0;
+	_vertices[0].z += z0;
+
+	_vertices[1].x += x1;
+	_vertices[1].y += y1;
+	_vertices[1].z += z1;
+}
+
+bool BoundingBox::inside(float x, float y, float z) const {
+	return x >= _vertices[0].x && x <= _vertices[1].x
+	    && y >= _vertices[0].y && y <= _vertices[1].y
+	    && z >= _vertices[0].z && z <= _vertices[1].z;
+}
+
+bool BoundingBox::inside(Vector3 &position) const {
+	return inside(position.x, position.y, position.z);
+}
+
+void BoundingBox::setXYZ(float x0, float y0, float z0, float x1, float y1, float z1) {
+	_vertices[0].x = x0;
+	_vertices[0].y = y0;
+	_vertices[0].z = z0;
+
+	_vertices[1].x = x1;
+	_vertices[1].y = y1;
+	_vertices[1].z = z1;
+}
+
+void BoundingBox::getXYZ(float *x0, float *y0, float *z0, float *x1, float *y1, float *z1) const {
+	*x0 = _vertices[0].x;
+	*y0 = _vertices[0].y;
+	*z0 = _vertices[0].z;
+
+	*x1 = _vertices[1].x;
+	*y1 = _vertices[1].y;
+	*z1 = _vertices[1].z;
+}
+
+float BoundingBox::getZ0() const {
+	return _vertices[0].z;
+}
+
+float BoundingBox::getZ1() const {
+	return _vertices[1].z;
+}
+
+} // End of namespace BladeRunner