BLADERUNNER: Add Vector and Matrix classes

1 files changed, 128 insertions, 0 deletions

diff --git a/engines/bladerunner/vector.h b/engines/bladerunner/vector.h
new file mode 100644
index 0000000000..3b85da40d7
--- /dev/null
+++ b/engines/bladerunner/vector.h
@@ -0,0 +1,128 @@
+/* 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.
+ *
+ */
+
+#ifndef BLADERUNNER_VECTOR_H
+#define BLADERUNNER_VECTOR_H
+
+#include "common/types.h"
+
+namespace BladeRunner {
+
+class Vector2
+{
+public:
+	float x;
+	float y;
+
+	Vector2()
+		: x(0.0), y(0.0)
+	{}
+
+	Vector2(float ax, float ay)
+		: x(ax), y(ay)
+	{}
+};
+
+class Vector3
+{
+public:
+	float x;
+	float y;
+	float z;
+
+	Vector3()
+		: x(0.0), y(0.0), z(0.0)
+	{}
+
+	Vector3(float ax, float ay, float az)
+		: x(ax), y(ay), z(az)
+	{}
+};
+
+inline
+Vector3 operator+(Vector3 a, Vector3 b)
+{
+	return Vector3(a.x + b.x, a.y + b.y, a.z + b.z);
+}
+
+inline
+Vector3 operator-(Vector3 a, Vector3 b)
+{
+	return Vector3(a.x - b.x, a.y - b.y, a.z - b.z);
+}
+
+inline
+Vector3 operator*(float f, Vector3 v)
+{
+	return Vector3(f * v.x, f * v.y, f * v.z);
+}
+
+class Vector4
+{
+public:
+	float x;
+	float y;
+	float z;
+	float w;
+
+	Vector4()
+		: x(0.0), y(0.0), z(0.0), w(0.0)
+	{}
+
+	Vector4(float ax, float ay, float az, float aw)
+		: x(ax), y(ay), z(az), w(aw)
+	{}
+};
+
+inline
+Vector4 operator+(Vector4 a, Vector4 b)
+{
+	return Vector4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w);
+}
+
+inline
+Vector4 operator-(Vector4 a, Vector4 b)
+{
+	return Vector4(a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w);
+}
+
+inline
+Vector4 operator*(float f, Vector4 v)
+{
+	return Vector4(f * v.x, f * v.y, f * v.z, f * v.w);
+}
+
+inline
+Vector4 operator*(Vector4 v, float f)
+{
+	return Vector4(f * v.x, f * v.y, f * v.z, f * v.w);
+}
+
+inline
+Vector4 operator/(Vector4 a, Vector4 b)
+{
+	return Vector4(a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w);
+}
+
+} // End of namespace BladeRunner
+
+#endif