The GtkRadiant sources as originally released under the GPL license.

tools/quake2/qdata_heretic2/qcommon/skeletons.h

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+/*
+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
+*/
+
+#include <stdlib.h> // for size_t
+#include "arrayedlist.h"
+
+#define JN_YAW_CHANGED		0x00000001
+#define JN_PITCH_CHANGED	0x00000002
+#define JN_ROLL_CHANGED		0x00000004
+
+// Skeleton types
+enum {
+	SKEL_NULL = -1,
+	SKEL_RAVEN = 0,
+	SKEL_BOX,
+	SKEL_BEETLE,
+	SKEL_ELFLORD,
+	SKEL_PLAGUE_ELF,
+	SKEL_CORVUS,
+	NUM_SKELETONS
+};
+
+// Raven Skeletal joints
+enum {
+	RAVEN_LOWERBACK = 0,
+	RAVEN_UPPERBACK,
+	RAVEN_HEAD,
+	NUM_JOINTS_RAVEN
+};
+
+// Box Skeletal joints
+enum {
+	BOX_CENTER = 0,
+	NUM_JOINTS_BOX
+};
+
+// Beetle Skeletal joints
+enum {
+	BEETLE_NECK = 0,
+	BEETLE_HEAD,
+	NUM_JOINTS_BEETLE
+};
+
+// Elflord Skeletal joints
+enum {
+	ELFLORD_,
+	ELFLORD__,
+	NUM_JOINTS_ELFLORD
+};
+
+// Plague Elf Skeletal joints
+enum {
+	PLAGUE_ELF_LOWERBACK,
+	PLAGUE_ELF_UPPERBACK,
+	PLAGUE_ELF_HEAD,
+	NUM_JOINTS_PLAGUE_ELF
+};
+
+// Corvus Skeletal joints
+enum {
+	CORVUS_LOWERBACK,
+	CORVUS_UPPERBACK,
+	CORVUS_HEAD,
+	NUM_JOINTS_CORVUS
+};
+
+#define NO_SWAP_FRAME -1
+#define NULL_ROOT_JOINT -1
+
+#define MAX_ARRAYED_SKELETAL_JOINTS 255	// has max of 65,535 (if this remains at 255, net code can be changed to reflect)
+#define MAX_ARRAYED_JOINT_NODES	(MAX_ARRAYED_SKELETAL_JOINTS - 1)
+
+#define MAX_JOINTS_PER_SKELETON	8	// arbitrary small number
+#define MAX_JOINT_NODES_PER_SKELETON (MAX_JOINTS_PER_SKELETON - 1)
+
+extern char *skeletonRootNames[];
+extern int skeletonRNameOffsets[];
+extern char *skeletonJointNames[];
+extern int skeletonNameOffsets[];
+extern int numJointsInSkeleton[];
+extern char *skeletonEffectorNames[];
+extern int skeletonENameOffsets[];
+extern int numNodesInSkeleton[];
+
+typedef void (*CreateSkeleton_t)(void *skeletalJoints, size_t jointSize, struct ArrayedListNode_s *jointNodes, int rootIndex);
+
+extern CreateSkeleton_t SkeletonCreators[NUM_SKELETONS];
+
+