gtkradiant/tools/quake2/qdata_heretic2/qd_skeletons.c

/*
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
*/

#include "qd_skeletons.h"
#include "skeletons.h"
#include "qd_fmodel.h"
#include "angles.h"
#include "token.h"
#include "qdata.h"
#include "reference.h"

#include <assert.h>
#include <math.h>
#include <memory.h>


// We're assuming no more than 16 reference points, with no more than 32 characters in the name
char RefPointNameList[REF_MAX_POINTS][REF_MAX_STRLEN];
int	 RefPointNum = 0;

Skeletalfmheader_t g_skelModel;

void ClearSkeletalModel()
{
	g_skelModel.type = SKEL_NULL;
	g_skelModel.clustered = false;
	g_skelModel.references = REF_NULL;
}

//==========================================================================
//
// LoadHRCClustered
//
//==========================================================================

// Places the null terminated src string into the dest string less any trailing digits or underscores
void StripTrailingDigits(char *src, char *dest)
{
#ifndef NDEBUG
	int max = SKELETAL_NAME_MAX; // should be sufficient for inteded use on names from hrc files
#endif
	int i = 0;

	while(src[i] != '\0')
	{
		++i;
#ifndef NDEBUG
		assert(i < max);
#endif
	}

	while((src[--i] >= '0' && src[i] <= '9') || src[i] == '_')
	{

	}

	memcpy(dest, src, ++i);

	dest[i] = '\0';
}

static void LoadHRCClustered(char *fileName, int **clusterList, int *num_verts, int skelType)
{
	extern void HandleHRCModel(triangle_t **triList, int *triangleCount, 
		mesh_node_t **nodesList, int *num_mesh_nodes, int ActiveNode, int Depth);

	extern mesh_node_t	*pmnodes;

	triangle_t *triList;
//    	mesh_node_t *nodesList;
	int num_mesh_nodes = 0, triangleCount = 0;

#if 0
	int i;
	int j, numVerts;
	char stripped[SKELETAL_NAME_MAX];

	for( i = 1; i < numJointsInSkeleton[skelType] + 1; ++i)
	{
		num_verts[i] = 0;
	}

	TK_OpenSource(fileName);
	TK_FetchRequire(TK_HRCH);
	TK_FetchRequire(TK_COLON);
	TK_FetchRequire(TK_SOFTIMAGE);

	TK_Beyond(TK_CLUSTERS);

	while(TK_Search(TK_CLUSTER_NAME) != TK_EOF)
	{
		TK_Require(TK_STRING);

		StripTrailingDigits(tk_String, stripped);

		for( i = 0; i < numJointsInSkeleton[skelType]; ++i)
		{
			if(stricmp(stripped, skeletonJointNames[skeletonNameOffsets[skelType]+i]) == 0)
			{
				i = -i + numJointsInSkeleton[skelType] - 1;

				TK_BeyondRequire(TK_NUM_CLUSTER_VERTICES, TK_INTNUMBER);

				numVerts = tk_IntNumber;

				if(!num_verts[i+1])	// first set of verts for cluster
				{
					clusterList[i] = SafeMalloc(numVerts*sizeof(int), "LoadHRCClustered");
					assert(clusterList[i]);
				}
				else				// any later sets of verts need to copy current
				{
					int *temp;

					temp = SafeMalloc((num_verts[i+1]+numVerts)*sizeof(int), "LoadHRCClustered");
					assert(temp);

					memcpy(temp + numVerts, clusterList[i], num_verts[i+1]*sizeof(int));

					free(clusterList[i]);

					clusterList[i] = temp;
				}

				// currently this function is only called by LoadModelClusters.
				// Apparently the matching free has disappeared, 
				// should probably be free at the end of FMCmd_Base

				TK_Beyond(TK_LBRACE);

				for(j = 0; j < numVerts; ++j)
				{
					TK_Require(TK_INTNUMBER);
					clusterList[i][j] = tk_IntNumber;
					TK_Fetch();
				}

				num_verts[i+1] += numVerts;

				break;
			}
		}
	}

	num_verts[0] = numJointsInSkeleton[skelType];
#endif

#if 1	// get the index number localized to the root
//	for( i = 1; i < numJointsInSkeleton[skelType] + 1; ++i)
//	{
//		g_skelModel.num_verts[i] = 0;
//	}

	TK_OpenSource(fileName);
	TK_FetchRequire(TK_HRCH);
	TK_FetchRequire(TK_COLON);
	TK_FetchRequire(TK_SOFTIMAGE);

	// prime it
	TK_Beyond(TK_MODEL);

	triList = (triangle_t *) SafeMalloc(MAXTRIANGLES*sizeof(triangle_t), "Triangle list");
	memset(triList,0,MAXTRIANGLES*sizeof(triangle_t));
//	nodesList = SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");
	pmnodes = (mesh_node_t *) SafeMalloc(MAX_FM_MESH_NODES * sizeof(mesh_node_t), "Mesh Node List");

	memset(pmnodes, 0, MAX_FM_MESH_NODES * sizeof(mesh_node_t));

	// this should eventually use a stripped down version of this
	HandleHRCModel(&triList, &triangleCount, &pmnodes, &num_mesh_nodes, 0, 0);

//	free(nodesList);
	free(triList);

	num_verts[0] = numJointsInSkeleton[skelType];
#endif
}

void ReadHRCClusterList(mesh_node_t *meshNode, int baseIndex)
{
	int i, j, numVerts;
	tokenType_t nextToken;
	char stripped[SKELETAL_NAME_MAX];

	meshNode->clustered = true;

	nextToken = TK_Get(TK_CLUSTER_NAME);

	while (nextToken == TK_CLUSTER_NAME)
	{
		TK_FetchRequire(TK_STRING);

		StripTrailingDigits(tk_String, stripped);

		for( i = 0; i < numJointsInSkeleton[g_skelModel.type]; ++i)
		{
			if(stricmp(stripped, skeletonJointNames[skeletonNameOffsets[g_skelModel.type]+i]) == 0)
			{
				i = -i + numJointsInSkeleton[g_skelModel.type] - 1;

				TK_BeyondRequire(TK_NUM_CLUSTER_VERTICES, TK_INTNUMBER);

				numVerts = tk_IntNumber;

				if(!baseIndex)
				{
					meshNode->clusters[i] = (int *) SafeMalloc(numVerts*sizeof(int), "ReadHRCClusterList");
					assert(meshNode->clusters[i]);
				}
				else
				{
					int *temp; 

					temp = meshNode->clusters[i];
					meshNode->clusters[i] = (int *) SafeMalloc((meshNode->num_verts[i+1]+numVerts)*sizeof(int), "ReadHRCClusterList");
					assert(meshNode->clusters[i]);

					memcpy(meshNode->clusters[i], temp, meshNode->num_verts[i+1]*sizeof(int));
					free(temp);
				}

				// currently this function is only called by LoadModelClusters.
				// Apparently the matching free has disappeared, 
				// should probably be free at the end of FMCmd_Base

				TK_Beyond(TK_LBRACE);

				for(j = 0; j < numVerts; ++j)
				{
					TK_Require(TK_INTNUMBER);
					meshNode->clusters[i][baseIndex+j] = tk_IntNumber+baseIndex;
					TK_Fetch();
				}

				if(baseIndex)
				{
					meshNode->num_verts[i+1] += numVerts;
				}
				else
				{
					meshNode->num_verts[i+1] = numVerts;
				}

				break;
			}
		}

		TK_BeyondRequire(TK_CLUSTER_STATE, TK_INTNUMBER);
		nextToken = TK_Fetch();
	}
}

static void LoadHRCGlobals(char *fileName)
{
	int i;

	TK_OpenSource(fileName);
	TK_FetchRequire(TK_HRCH);
	TK_FetchRequire(TK_COLON);
	TK_FetchRequire(TK_SOFTIMAGE);
	TK_Beyond(TK_MODEL);

	TK_Beyond(TK_SCALING);
	for(i = 0; i < 3; i++)
	{
		TK_Require(TK_FLOATNUMBER);
		g_skelModel.scaling[i] = tk_FloatNumber;
		TK_Fetch();
	}

	TK_Beyond(TK_ROTATION);
	for(i = 0; i < 3; i++)
	{
		TK_Require(TK_FLOATNUMBER);
		g_skelModel.rotation[i] = tk_FloatNumber;
		TK_Fetch();
	}

	TK_Beyond(TK_TRANSLATION);
	for(i = 0; i < 3; i++)
	{
		TK_Require(TK_FLOATNUMBER);
		g_skelModel.translation[i] = tk_FloatNumber;
		TK_Fetch();
	}
}

static void ParseVec3(vec3_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void ParseVec3d(vec3d_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void ParseRotation3(vec3_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void ParseRotation3d(vec3d_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void ParseTranslation3(vec3_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void ParseTranslation3d(vec3d_t in)
{
	TK_Require(TK_FLOATNUMBER);
	in[1] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[2] = tk_FloatNumber;
	TK_FetchRequire(TK_FLOATNUMBER);
	in[0] = tk_FloatNumber;
}

static void LoadHRCJointList(char *fileName, QD_SkeletalJoint_t *jointList, int skelType)
{
#define MAX_STACK 64
	int i, j;
	vec3d_t curTranslation[MAX_STACK], curRotation[MAX_STACK], curScale[MAX_STACK];
	int curCorrespondingJoint[MAX_STACK];
	int currentStack = 0, stackSize;
	double cx, sx, cy, sy, cz, sz;
	double rx, ry, rz;
	double x2, y2, z2;
	char stripped[SKELETAL_NAME_MAX];
	Placement_d_t *placement;

	TK_OpenSource(fileName);
	TK_FetchRequire(TK_HRCH);
	TK_FetchRequire(TK_COLON);
	TK_FetchRequire(TK_SOFTIMAGE);

	TK_Beyond(TK_MODEL);

	while(TK_Search(TK_NAME) != TK_EOF)
	{
		TK_Require(TK_STRING);

		StripTrailingDigits(tk_String, stripped);

		if(stricmp(stripped, skeletonRootNames[skeletonRNameOffsets[skelType]]) == 0)
		{
			break;
		}
	}

	if(tk_Token == TK_EOF)
	{
		Error("Bone Chain Root: %s not found\n", skeletonRootNames[skeletonRNameOffsets[skelType]]);
		return;
	}

	TK_Beyond(TK_SCALING);

	ParseVec3d(curScale[currentStack]);

	TK_Beyond(TK_ROTATION);

	ParseRotation3d(curRotation[currentStack]);

	TK_Beyond(TK_TRANSLATION);

	ParseVec3d(curTranslation[currentStack]);

	// account for global model translation
	curTranslation[currentStack][1] += g_skelModel.translation[0];
	curTranslation[currentStack][2] += g_skelModel.translation[1];
	curTranslation[currentStack][0] += g_skelModel.translation[2];

	curCorrespondingJoint[currentStack] = -1;

	++currentStack;

	for(i = 0; i < numJointsInSkeleton[skelType]; ++i)
	{
		while(1)
		{
			TK_Beyond(TK_MODEL);

			TK_BeyondRequire(TK_NAME, TK_STRING);

			StripTrailingDigits(tk_String, stripped);

			if(stricmp(stripped, skeletonJointNames[skeletonNameOffsets[skelType]+i]) == 0)
				break;

			TK_Beyond(TK_SCALING);

			ParseVec3d(curScale[currentStack]);

			TK_Beyond(TK_ROTATION);

			ParseRotation3d(curRotation[currentStack]);

			TK_Beyond(TK_TRANSLATION);

			ParseVec3d(curTranslation[currentStack]);

			curCorrespondingJoint[currentStack] = -1;

			++currentStack;
		}

		TK_Beyond(TK_SCALING);

		ParseVec3d(curScale[currentStack]);

		TK_Beyond(TK_ROTATION);

		ParseRotation3d(curRotation[currentStack]);

		jointList[i].rotation[1] = curRotation[currentStack][1];
		jointList[i].rotation[2] = curRotation[currentStack][2];
		jointList[i].rotation[0] = curRotation[currentStack][0];

		TK_Beyond(TK_TRANSLATION);

		ParseVec3d(curTranslation[currentStack]);

//		jointList[i].placement.origin[1] = curTranslation[currentStack][1];
//		jointList[i].placement.origin[2] = curTranslation[currentStack][2];
//		jointList[i].placement.origin[0] = curTranslation[currentStack][0];

		jointList[i].placement.origin[1] = 0.0;
		jointList[i].placement.origin[2] = 0.0;
		jointList[i].placement.origin[0] = 0.0;

		jointList[i].placement.direction[1] = 20.0;
		jointList[i].placement.direction[2] = 0.0;
		jointList[i].placement.direction[0] = 0.0;

		jointList[i].placement.up[1] = 0.0;
		jointList[i].placement.up[2] = 20.0;
		jointList[i].placement.up[0] = 0.0;

		curCorrespondingJoint[currentStack] = i;

		++currentStack;
	}

	stackSize = currentStack;

#if 0
	// rotate the direction and up vectors to correspond to the rotation
	for(i = 0; i < numJointsInSkeleton[skelType]; ++i)
	{
		rx = jointList[i].rotation[0]*ANGLE_TO_RAD;
		ry = jointList[i].rotation[1]*ANGLE_TO_RAD;
		rz = jointList[i].rotation[2]*ANGLE_TO_RAD;

		cx = cos(rx);
		sx = sin(rx);

		cy = cos(ry);
		sy = sin(ry);

		cz = cos(rz);
		sz = sin(rz);

		// y-axis rotation for direction
		x2 = jointList[i].placement.direction[0]*cy+jointList[i].placement.direction[2]*sy;
		z2 = -jointList[i].placement.direction[0]*sy+jointList[i].placement.direction[2]*cy;
		jointList[i].placement.direction[0] = x2;
		jointList[i].placement.direction[2] = z2;

		// y-axis rotation for up
		x2 = jointList[i].placement.up[0]*cy+jointList[i].placement.up[2]*sy;
		z2 = -jointList[i].placement.up[0]*sy+jointList[i].placement.up[2]*cy;
		jointList[i].placement.up[0] = x2;
		jointList[i].placement.up[2] = z2;

		// z-axis rotation for direction
		x2 = jointList[i].placement.direction[0]*cz-jointList[i].placement.direction[1]*sz;
		y2 = jointList[i].placement.direction[0]*sz+jointList[i].placement.direction[1]*cz;
		jointList[i].placement.direction[0] = x2;
		jointList[i].placement.direction[1] = y2;

		// z-axis rotation for up
		x2 = jointList[i].placement.up[0]*cz-jointList[i].placement.up[1]*sz;
		y2 = jointList[i].placement.up[0]*sz+jointList[i].placement.up[1]*cz;
		jointList[i].placement.up[0] = x2;
		jointList[i].placement.up[1] = y2;

		// x-axis rotation for direction vector
		y2 = jointList[i].placement.direction[1]*cx-jointList[i].placement.direction[2]*sx;
		z2 = jointList[i].placement.direction[1]*sx+jointList[i].placement.direction[2]*cx;
		jointList[i].placement.direction[1] = y2;
		jointList[i].placement.direction[2] = z2;

		// x-axis rotation for up vector
		y2 = jointList[i].placement.up[1]*cx-jointList[i].placement.up[2]*sx;
		z2 = jointList[i].placement.up[1]*sx+jointList[i].placement.up[2]*cx;
		jointList[i].placement.up[1] = y2;
		jointList[i].placement.up[2] = z2;

		// translate direction to a point in the model
		jointList[i].placement.direction[0] += jointList[i].placement.origin[0];
		jointList[i].placement.direction[1] += jointList[i].placement.origin[1];
		jointList[i].placement.direction[2] += jointList[i].placement.origin[2];

		// translate up to a point in the model
		jointList[i].placement.up[0] += jointList[i].placement.origin[0];
		jointList[i].placement.up[1] += jointList[i].placement.origin[1];
		jointList[i].placement.up[2] += jointList[i].placement.origin[2];
	}
#endif

	for(i = stackSize - 1; i >= 0; --i)
	{
		rx = curRotation[i][0]*ANGLE_TO_RAD;
		ry = curRotation[i][1]*ANGLE_TO_RAD;
		rz = curRotation[i][2]*ANGLE_TO_RAD;

		cx = cos(rx);
		sx = sin(rx);

		cy = cos(ry);
		sy = sin(ry);

		cz = cos(rz);
		sz = sin(rz);

#if 1
		for(j = i; j < stackSize; ++j)
		{
			if(curCorrespondingJoint[j] != -1)
			{
				placement = &jointList[curCorrespondingJoint[j]].placement;

				// y-axis rotation for origin
				x2 = placement->origin[0]*cy+placement->origin[2]*sy;
				z2 = -placement->origin[0]*sy+placement->origin[2]*cy;
				placement->origin[0] = x2;
				placement->origin[2] = z2;

				// y-axis rotation for direction
				x2 = placement->direction[0]*cy+placement->direction[2]*sy;
				z2 = -placement->direction[0]*sy+placement->direction[2]*cy;
				placement->direction[0] = x2;
				placement->direction[2] = z2;

				// y-axis rotation for up
				x2 = placement->up[0]*cy+placement->up[2]*sy;
				z2 = -placement->up[0]*sy+placement->up[2]*cy;
				placement->up[0] = x2;
				placement->up[2] = z2;

				// z-axis rotation for origin
				x2 = placement->origin[0]*cz-placement->origin[1]*sz;
				y2 = placement->origin[0]*sz+placement->origin[1]*cz;
				placement->origin[0] = x2;
				placement->origin[1] = y2;

				// z-axis rotation for direction
				x2 = placement->direction[0]*cz-placement->direction[1]*sz;
				y2 = placement->direction[0]*sz+placement->direction[1]*cz;
				placement->direction[0] = x2;
				placement->direction[1] = y2;

				// z-axis rotation for up
				x2 = placement->up[0]*cz-placement->up[1]*sz;
				y2 = placement->up[0]*sz+placement->up[1]*cz;
				placement->up[0] = x2;
				placement->up[1] = y2;

				// x-axis rotation for origin
				y2 = placement->origin[1]*cx-placement->origin[2]*sx;
				z2 = placement->origin[1]*sx+placement->origin[2]*cx;
				placement->origin[1] = y2;
				placement->origin[2] = z2;

				// x-axis rotation for direction vector
				y2 = placement->direction[1]*cx-placement->direction[2]*sx;
				z2 = placement->direction[1]*sx+placement->direction[2]*cx;
				placement->direction[1] = y2;
				placement->direction[2] = z2;

				// x-axis rotation for up vector
				y2 = placement->up[1]*cx-placement->up[2]*sx;
				z2 = placement->up[1]*sx+placement->up[2]*cx;
				placement->up[1] = y2;
				placement->up[2] = z2;

				// translate origin
				placement->origin[0] += curTranslation[i][0];
				placement->origin[1] += curTranslation[i][1];
				placement->origin[2] += curTranslation[i][2];

				// translate back to local coord
				placement->direction[0] += curTranslation[i][0];
				placement->direction[1] += curTranslation[i][1];
				placement->direction[2] += curTranslation[i][2];

				// translate back to local coord
				placement->up[0] += curTranslation[i][0];
				placement->up[1] += curTranslation[i][1];
				placement->up[2] += curTranslation[i][2];
			}
		}
#else
		// This screwed up and needs to be sorted out!!!
		// The stack info needs to be written too instead of the jointList for j > numJoints for Skeleton
		for(j = i-1; j < stackSize-1; ++j)
		{
			// y-axis rotation for origin
			x2 = jointList[j].placement.origin[0]*cy+jointList[j].placement.origin[2]*sy;
			z2 = -jointList[j].placement.origin[0]*sy+jointList[j].placement.origin[2]*cy;
			jointList[j].placement.origin[0] = x2;
			jointList[j].placement.origin[2] = z2;

			// y-axis rotation for direction
			x2 = jointList[j].placement.direction[0]*cy+jointList[j].placement.direction[2]*sy;
			z2 = -jointList[j].placement.direction[0]*sy+jointList[j].placement.direction[2]*cy;
			jointList[j].placement.direction[0] = x2;
			jointList[j].placement.direction[2] = z2;

			// y-axis rotation for up
			x2 = jointList[j].placement.up[0]*cy+jointList[j].placement.up[2]*sy;
			z2 = -jointList[j].placement.up[0]*sy+jointList[j].placement.up[2]*cy;
			jointList[j].placement.up[0] = x2;
			jointList[j].placement.up[2] = z2;

			// z-axis rotation for origin
			x2 = jointList[j].placement.origin[0]*cz-jointList[j].placement.origin[1]*sz;
			y2 = jointList[j].placement.origin[0]*sz+jointList[j].placement.origin[1]*cz;
			jointList[j].placement.origin[0] = x2;
			jointList[j].placement.origin[1] = y2;

			// z-axis rotation for direction
			x2 = jointList[j].placement.direction[0]*cz-jointList[j].placement.direction[1]*sz;
			y2 = jointList[j].placement.direction[0]*sz+jointList[j].placement.direction[1]*cz;
			jointList[j].placement.direction[0] = x2;
			jointList[j].placement.direction[1] = y2;

			// z-axis rotation for up
			x2 = jointList[j].placement.up[0]*cz-jointList[j].placement.up[1]*sz;
			y2 = jointList[j].placement.up[0]*sz+jointList[j].placement.up[1]*cz;
			jointList[j].placement.up[0] = x2;
			jointList[j].placement.up[1] = y2;

			// x-axis rotation for origin
			y2 = jointList[j].placement.origin[1]*cx-jointList[j].placement.origin[2]*sx;
			z2 = jointList[j].placement.origin[1]*sx+jointList[j].placement.origin[2]*cx;
			jointList[j].placement.origin[1] = y2;
			jointList[j].placement.origin[2] = z2;

			// x-axis rotation for direction vector
			y2 = jointList[j].placement.direction[1]*cx-jointList[j].placement.direction[2]*sx;
			z2 = jointList[j].placement.direction[1]*sx+jointList[j].placement.direction[2]*cx;
			jointList[j].placement.direction[1] = y2;
			jointList[j].placement.direction[2] = z2;

			// x-axis rotation for up vector
			y2 = jointList[j].placement.up[1]*cx-jointList[j].placement.up[2]*sx;
			z2 = jointList[j].placement.up[1]*sx+jointList[j].placement.up[2]*cx;
			jointList[j].placement.up[1] = y2;
			jointList[j].placement.up[2] = z2;

			if(curCorrespondingJoint[j+1] != -1)
			{
				// translate origin
				jointList[j].placement.origin[0] += curTranslation[i-1][0];
				jointList[j].placement.origin[1] += curTranslation[i-1][1];
				jointList[j].placement.origin[2] += curTranslation[i-1][2];

				// translate back to local coord
				jointList[j].placement.direction[0] += curTranslation[i-1][0];
				jointList[j].placement.direction[1] += curTranslation[i-1][1];
				jointList[j].placement.direction[2] += curTranslation[i-1][2];

				// translate back to local coord
				jointList[j].placement.up[0] += curTranslation[i-1][0];
				jointList[j].placement.up[1] += curTranslation[i-1][1];
				jointList[j].placement.up[2] += curTranslation[i-1][2];
			}
		}
#endif
	}
}

void LoadModelTransform(char *fileName)
{
	FILE *file1;
    int dot = '.';
	char *dotstart;
	char	InputFileName[256];

	dotstart = strrchr(fileName,dot); // Does it already have an extension on the file name?

	if (!dotstart)
	{
		strcpy(InputFileName, fileName);
		strcat(InputFileName, ".hrc");
		if((file1 = fopen(InputFileName, "rb")) != NULL)
		{
			fclose(file1);

			LoadHRCGlobals(InputFileName);

			printf(" - assuming .HRC\n");
			return;
		}

		Error("\n Could not open file '%s':\n"
			"No HRC match.\n", fileName);
	}
	else
	{
		if((file1 = fopen(fileName, "rb")) != NULL)
		{
//			printf("\n");
			fclose(file1);
			if (strcmp(dotstart,".hrc") == 0 || strcmp(dotstart,".HRC") == 0)
			{
				LoadHRCGlobals(fileName);
				return;
			}
		}

		Error("Could not open file '%s':\n",fileName);
	}
}

void LoadModelClusters(char *fileName, int **clusterList, int *num_verts, int skelType)
{
	FILE *file1;
    int dot = '.';
	char *dotstart;
	char	InputFileName[256];

	dotstart = strrchr(fileName,dot); // Does it already have an extension on the file name?

	if (!dotstart)
	{
		strcpy(InputFileName, fileName);
		strcat(InputFileName, ".hrc");
		if((file1 = fopen(InputFileName, "rb")) != NULL)
		{
			fclose(file1);

			LoadHRCClustered(InputFileName, clusterList, num_verts, skelType);

			printf(" - assuming .HRC\n");
			return;
		}

		Error("\n Could not open file '%s':\n"
			"No HRC match.\n", fileName);
	}
	else
	{
		if((file1 = fopen(fileName, "rb")) != NULL)
		{
//			printf("\n");
			fclose(file1);
			if (strcmp(dotstart,".hrc") == 0 || strcmp(dotstart,".HRC") == 0)
			{
				LoadHRCClustered(fileName, clusterList, num_verts, skelType);
				return;
			}
		}

		Error("Could not open file '%s':\n",fileName);
	}
}

void LoadSkeleton(char *fileName, QD_SkeletalJoint_t *jointList, int skelType)
{
	FILE *file1;
    int dot = '.';
	char *dotstart;
	char	InputFileName[256];

	dotstart = strrchr(fileName,dot); // Does it already have an extension on the file name?

	if (!dotstart)
	{
		strcpy(InputFileName, fileName);
		strcat(InputFileName, ".hrc");
		if((file1 = fopen(InputFileName, "rb")) != NULL)
		{
			fclose(file1);

			LoadHRCJointList(InputFileName, jointList, skelType);

			printf(" - assuming .HRC\n");
			return;
		}

		Error("\n Could not open file '%s':\n"
			"No HRC.\n", fileName);
	}
	else
	{
		if((file1 = fopen(fileName, "rb")) != NULL)
		{
//			printf("\n");
			fclose(file1);
			if (strcmp(dotstart,".hrc") == 0 || strcmp(dotstart,".HRC") == 0)
			{
				LoadHRCJointList(fileName, jointList, skelType);

				return;
			}
		}

		Error("Could not open file '%s':\n",fileName);
	}
}

/*
===============
GrabSkeletalFrame
===============
*/
void GrabSkeletalFrame(char *frame)
{
	char	file1[1024];
	char	*framefile;
	fmframe_t	*fr;

	framefile = FindFrameFile (frame);

	sprintf (file1, "%s/%s", cdarchive, framefile);
	ExpandPathAndArchive (file1);

	sprintf (file1, "%s/%s",cddir, framefile);

	printf ("Grabbing Skeletal Frame %s\n", file1);

	fr = &g_frames[fmheader.num_frames - 1]; // last frame read in

	LoadSkeleton(file1, fr->joints, g_skelModel.type);
}

/*
===============
GrabModelTransform
===============
*/
void GrabModelTransform(char *frame)
{
	char	file1[1024];
	char	*framefile;
	fmframe_t	*fr;

	framefile = FindFrameFile (frame);

	sprintf (file1, "%s/%s", cdarchive, framefile);
	ExpandPathAndArchive (file1);

	sprintf (file1, "%s/%s",cddir, framefile);

//	printf ("grabbing %s\n", file1);

	fr = &g_frames[fmheader.num_frames - 1]; // last frame read in

	LoadModelTransform(file1);
}

void Cmd_FMCluster()
{
	char file1[1024];

	GetScriptToken (false);

	printf ("---------------------\n");
	sprintf (file1, "%s/%s", cdpartial, token);
	printf ("%s\n", file1);

	ExpandPathAndArchive (file1);

	sprintf (file1, "%s/%s", cddir, token);

	g_skelModel.clustered = -1;

	LoadModelClusters(file1, (int **)&g_skelModel.clusters, (int *)&g_skelModel.num_verts, g_skelModel.type);

	g_skelModel.new_num_verts[0] = g_skelModel.num_verts[0];

	g_skelModel.clustered = true;
}

void Cmd_FMSkeleton()
{
	GetScriptToken (false);
	g_skelModel.type = atoi(token);
}

void Cmd_FMSkeletalFrame()
{
	while (ScriptTokenAvailable())
	{
		GetScriptToken (false);
		if (g_skipmodel)
		{
			GetScriptToken (false);
			continue;
		}
		if (g_release || g_archive)
		{
			fmheader.num_frames = 1;	// don't skip the writeout
			GetScriptToken (false);
			continue;
		}

		H_printf("#define FRAME_%-16s\t%i\n", token, fmheader.num_frames);

		GrabModelTransform (token);
		GrabFrame (token);
		GrabSkeletalFrame (token);

		// need to add the up and dir points to the frame bounds here
		// using AddPointToBounds (ptrivert[index_xyz].v, fr->mins, fr->maxs);
		// then remove fudge in determining scale on frame write out
	}
}

static void LoadHRCReferences(char *fileName, fmframe_t *fr)
{
#define MAX_STACK 64
	int i, j, k;
	vec3d_t curTranslation[MAX_STACK], curRotation[MAX_STACK];
	int curCorrespondingJoint[MAX_STACK];
	int currentStack, stackSize;
	double cx, sx, cy, sy, cz, sz;
	double rx, ry, rz;
	double x2, y2, z2;
	char stripped[SKELETAL_NAME_MAX];
	Placement_d_t *placement;
	int refnum;

	TK_OpenSource(fileName);
	TK_FetchRequire(TK_HRCH);
	TK_FetchRequire(TK_COLON);
	TK_FetchRequire(TK_SOFTIMAGE);

	if (RefPointNum <= 0)
	{	// There were no labels indicated in the QDT, so use the hard-coded stuff.
		refnum = numReferences[g_skelModel.references];
	}
	else
	{
		refnum = RefPointNum;
	}

	for(k = 0; k < refnum; ++k)
	{
		currentStack = 0;

		// Load the root to get translation and initial rotation
//		TK_Beyond(TK_MODEL);

		while(TK_Search(TK_NAME) != TK_EOF)
		{
			TK_Require(TK_STRING);

			StripTrailingDigits(tk_String, stripped);

			if (RefPointNum == 0)
			{	// Hard coded refpoint labels
				if(stricmp(stripped, 
					referenceRootNames[referenceRootNameOffsets[g_skelModel.references]+k]) == 0)
				{
					break;
				}
			}
			else
			{	// labels indicated by the QDT
				if(stricmp(stripped, RefPointNameList[k]) == 0)
				{
					break;
				}
			}
		}

		if(tk_Token == TK_EOF)
		{
			if (RefPointNum == 0)
			{	// Hard coded refpoint labels
				Error("Bone Chain Root: %s not found\n", referenceRootNames[referenceRootNameOffsets[g_skelModel.references]]);
			}
			else
			{	// labels indicated by the QDT
				Error("Bone Chain Root: %s not found\n", RefPointNameList[k]);
			}
			return;
		}

//		TK_Beyond(TK_SCALING);

//		ParseVec3d(curScale[currentStack]);

		TK_Beyond(TK_ROTATION);

		ParseRotation3d(curRotation[currentStack]);

		TK_Beyond(TK_TRANSLATION);

		ParseVec3d(curTranslation[currentStack]);

		// account for global model translation
		curTranslation[currentStack][1] += g_skelModel.translation[0];
		curTranslation[currentStack][2] += g_skelModel.translation[1];
		curTranslation[currentStack][0] += g_skelModel.translation[2];

		curCorrespondingJoint[currentStack] = -1;

//		rjr - this one not needed, as there is also a stack increment 20 lines below???
//		++currentStack;

		// Load the joint to get orientation
		TK_Beyond(TK_MODEL);

//		TK_Beyond(TK_SCALING);

//		ParseVec3d(curScale[currentStack]);

		TK_Beyond(TK_ROTATION);

		ParseRotation3d(curRotation[currentStack]);

//		TK_Beyond(TK_TRANSLATION);

//		ParseVec3d(curTranslation[currentStack]);

		fr->references[k].placement.origin[1] = 0.0;
		fr->references[k].placement.origin[2] = 0.0;
		fr->references[k].placement.origin[0] = 0.0;

		fr->references[k].placement.direction[1] = 20.0;
		fr->references[k].placement.direction[2] = 0.0;
		fr->references[k].placement.direction[0] = 0.0;

		fr->references[k].placement.up[1] = 0.0;
		fr->references[k].placement.up[2] = 20.0;
		fr->references[k].placement.up[0] = 0.0;

		curCorrespondingJoint[currentStack] = k;

		++currentStack;

		stackSize = currentStack;

		for(i = stackSize - 1; i >= 0; --i)
		{
			rx = curRotation[i][0]*ANGLE_TO_RAD;
			ry = curRotation[i][1]*ANGLE_TO_RAD;
			rz = curRotation[i][2]*ANGLE_TO_RAD;

			cx = cos(rx);
			sx = sin(rx);

			cy = cos(ry);
			sy = sin(ry);

			cz = cos(rz);
			sz = sin(rz);

			for(j = i; j < stackSize; ++j)
			{
				if(curCorrespondingJoint[j] != -1)
				{
					placement = &fr->references[curCorrespondingJoint[j]].placement;

					// y-axis rotation for origin
					x2 = placement->origin[0]*cy+placement->origin[2]*sy;
					z2 = -placement->origin[0]*sy+placement->origin[2]*cy;
					placement->origin[0] = x2;
					placement->origin[2] = z2;

					// y-axis rotation for direction
					x2 = placement->direction[0]*cy+placement->direction[2]*sy;
					z2 = -placement->direction[0]*sy+placement->direction[2]*cy;
					placement->direction[0] = x2;
					placement->direction[2] = z2;

					// y-axis rotation for up
					x2 = placement->up[0]*cy+placement->up[2]*sy;
					z2 = -placement->up[0]*sy+placement->up[2]*cy;
					placement->up[0] = x2;
					placement->up[2] = z2;

					// z-axis rotation for origin
					x2 = placement->origin[0]*cz-placement->origin[1]*sz;
					y2 = placement->origin[0]*sz+placement->origin[1]*cz;
					placement->origin[0] = x2;
					placement->origin[1] = y2;

					// z-axis rotation for direction
					x2 = placement->direction[0]*cz-placement->direction[1]*sz;
					y2 = placement->direction[0]*sz+placement->direction[1]*cz;
					placement->direction[0] = x2;
					placement->direction[1] = y2;

					// z-axis rotation for up
					x2 = placement->up[0]*cz-placement->up[1]*sz;
					y2 = placement->up[0]*sz+placement->up[1]*cz;
					placement->up[0] = x2;
					placement->up[1] = y2;

					// x-axis rotation for origin
					y2 = placement->origin[1]*cx-placement->origin[2]*sx;
					z2 = placement->origin[1]*sx+placement->origin[2]*cx;
					placement->origin[1] = y2;
					placement->origin[2] = z2;

					// x-axis rotation for direction vector
					y2 = placement->direction[1]*cx-placement->direction[2]*sx;
					z2 = placement->direction[1]*sx+placement->direction[2]*cx;
					placement->direction[1] = y2;
					placement->direction[2] = z2;

					// x-axis rotation for up vector
					y2 = placement->up[1]*cx-placement->up[2]*sx;
					z2 = placement->up[1]*sx+placement->up[2]*cx;
					placement->up[1] = y2;
					placement->up[2] = z2;

					// translate origin
					placement->origin[0] += curTranslation[i][0];
					placement->origin[1] += curTranslation[i][1];
					placement->origin[2] += curTranslation[i][2];

					// translate back to local coord
					placement->direction[0] += curTranslation[i][0];
					placement->direction[1] += curTranslation[i][1];
					placement->direction[2] += curTranslation[i][2];

					// translate back to local coord
					placement->up[0] += curTranslation[i][0];
					placement->up[1] += curTranslation[i][1];
					placement->up[2] += curTranslation[i][2];

				}
			}
		}
		printf("%f, %f, %f\n", placement->origin[0], placement->origin[1], placement->origin[2]);
	}
	printf("\n");
}

void Cmd_FMReferenced()
{
	int i;

	GetScriptToken (false);
	g_skelModel.references = atoi(token);

	// Guess what?  Now, we now want a list of strings to look for here instead of a hard-coded list
	for (i=0; i<REF_MAX_POINTS; i++)
	{
		if (ScriptTokenAvailable())
		{	// There is yet another reference point waiting.
			GetScriptToken(false);
			strcpy(RefPointNameList[i], token);
		}
		else
		{
			break;
		}
	}

	RefPointNum = i;

	if (RefPointNum > 0)
	{
		printf("Searching for %d different reference points.\n", RefPointNum);
	}
	else
	{
		printf("Using built-in reference points.\n");
	}

}

void LoadReferences(char *fileName, fmframe_t *fr)
{
	FILE *file1;
    int dot = '.';
	char *dotstart;
	char	InputFileName[256];

	dotstart = strrchr(fileName,dot); // Does it already have an extension on the file name?

	if (!dotstart)
	{
		strcpy(InputFileName, fileName);
		strcat(InputFileName, ".hrc");
		if((file1 = fopen(InputFileName, "rb")) != NULL)
		{
			fclose(file1);

			LoadHRCReferences(InputFileName, fr);

			printf(" - assuming .HRC\n");
			return;
		}

		Error("\n Could not open file '%s':\n"
			"No HRC.\n", fileName);
	}
	else
	{
		if((file1 = fopen(fileName, "rb")) != NULL)
		{
			printf("\n");
			fclose(file1);
			if (strcmp(dotstart,".hrc") == 0 || strcmp(dotstart,".HRC") == 0)
			{
				LoadHRCReferences(fileName, fr);

				return;
			}
		}

		Error("Could not open file '%s':\n",fileName);
	}
}

void GrabReferencedFrame(char *frame)
{
	char	file1[1024];
	char	*framefile;
	fmframe_t	*fr;

	framefile = FindFrameFile (frame);

	sprintf (file1, "%s/%s", cdarchive, framefile);
	ExpandPathAndArchive (file1);

	sprintf (file1, "%s/%s",cddir, framefile);

	printf ("Grabbing Referenced %s\n", file1);

	fr = &g_frames[fmheader.num_frames - 1]; // last frame read in

	LoadReferences(file1, fr);
}