The GtkRadiant sources as originally released under the GPL license.

tools/quake2/qdata_heretic2/animcomp.h

@@ -0,0 +1,43 @@
+/*
+Copyright (C) 1999-2006 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
+*/
+
+#if !defined(ANIMCOMP_INC)
+#define ANIMCOMP_INC
+
+#ifdef  __cplusplus
+extern "C" 
+{
+#endif
+void AnimCompressInit(int nFrames,int nVerts,int CompressedFrameSize);
+void AnimSetFrame(int frame,int index,float x,float y,float z);
+void AnimCompressDoit();
+void AnimCompressToBytes(float *trans,float *scale,char *mat,char *ccomp,unsigned char *cbase,float *cscale,float *coffset,float *bmin,float *bmax);
+void AnimCompressGetMatrix(float *mat);
+void AnimCompressGetFrames(float *mat);
+void AnimCompressGetBase(int i,float *x,float *y,float *z);
+void AnimCompressEnd();
+void DOsvdPlane(float *pnts,int npnts,float *n,float *base);
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
+