tools/heretic2: move heretic2 stuff to its own directory

[xonotic/netradiant.git] / tools / heretic2 / common / mathlib.h

diff --git a/tools/heretic2/common/mathlib.h b/tools/heretic2/common/mathlib.h
new file mode 100644 (file)
index 0000000..cd989ea
--- /dev/null
+++ b/tools/heretic2/common/mathlib.h
@@ -0,0 +1,76 @@
+/*
+   Copyright (C) 1999-2007 id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+   This file is part of GtkRadiant.
+
+   GtkRadiant 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.
+
+   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __MATHLIB__
+#define __MATHLIB__
+
+// mathlib.h
+
+#include <math.h>
+/*
+   #ifdef DOUBLEVEC_T
+   typedef double vec_t;
+   #else
+   typedef float vec_t;
+   #endif
+   typedef vec_t vec3_t[3];
+ */
+#define SIDE_FRONT      0
+#define SIDE_ON         2
+#define SIDE_BACK       1
+#define SIDE_CROSS      -2
+
+#define Q_PI    3.14159265358979323846
+
+extern vec3_t vec3_origin;
+
+#define EQUAL_EPSILON   0.001
+
+qboolean VectorCompare( vec3_t v1, vec3_t v2 );
+
+#define DotProduct( x,y ) ( x[0] * y[0] + x[1] * y[1] + x[2] * y[2] )
+#define VectorSubtract( a,b,c ) {c[0] = a[0] - b[0]; c[1] = a[1] - b[1]; c[2] = a[2] - b[2]; }
+#define VectorAdd( a,b,c ) {c[0] = a[0] + b[0]; c[1] = a[1] + b[1]; c[2] = a[2] + b[2]; }
+#define VectorCopy( a,b ) {b[0] = a[0]; b[1] = a[1]; b[2] = a[2]; }
+#define VectorScale( a,b,c ) {c[0] = b * a[0]; c[1] = b * a[1]; c[2] = b * a[2]; }
+#define VectorClear( x ) {x[0] = x[1] = x[2] = 0; }
+#define VectorNegate( x ) {x[0] = -x[0]; x[1] = -x[1]; x[2] = -x[2]; }
+
+vec_t Q_rint( vec_t in );
+vec_t _DotProduct( vec3_t v1, vec3_t v2 );
+void _VectorSubtract( vec3_t va, vec3_t vb, vec3_t out );
+void _VectorAdd( vec3_t va, vec3_t vb, vec3_t out );
+void _VectorCopy( vec3_t in, vec3_t out );
+void _VectorScale( vec3_t v, vec_t scale, vec3_t out );
+
+double VectorLength( vec3_t v );
+
+void VectorMA( vec3_t va, double scale, vec3_t vb, vec3_t vc );
+
+void CrossProduct( vec3_t v1, vec3_t v2, vec3_t cross );
+vec_t VectorNormalize( vec3_t in, vec3_t out );
+vec_t ColorNormalize( vec3_t in, vec3_t out );
+void VectorInverse( vec3_t v );
+
+void ClearBounds( vec3_t mins, vec3_t maxs );
+void AddPointToBounds( vec3_t v, vec3_t mins, vec3_t maxs );
+
+#endif