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Fix origin returned by IQM's LerpTag

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It use to return pose joint's offset from base at the lerped frame, now it returns the joint's origin at the lerped frame.

Patch by Axel Isouard and Zack Middleton.
This commit is contained in:
Zack Middleton 2013-03-08 13:47:16 -06:00
parent f789cff079
commit 8aa6efe7b6
4 changed files with 82 additions and 30 deletions
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1
code/renderergl1/tr_local.h
View file

@ -649,6 +649,7 @@ typedef struct {
int *triangles;
int *jointParents;
float *jointMats;
float *poseMats;
float *bounds;
char *names;

55
code/renderergl1/tr_model_iqm.c
View file

@ -51,6 +51,11 @@ static void Matrix34Multiply( float *a, float *b, float *out ) {
out[10] = a[8] * b[2] + a[9] * b[6] + a[10] * b[10];
out[11] = a[8] * b[3] + a[9] * b[7] + a[10] * b[11] + a[11];
}
static void Matrix34Multiply_OnlySetOrigin( float *a, float *b, float *out ) {
out[ 3] = a[0] * b[3] + a[1] * b[7] + a[ 2] * b[11] + a[ 3];
out[ 7] = a[4] * b[3] + a[5] * b[7] + a[ 6] * b[11] + a[ 7];
out[11] = a[8] * b[3] + a[9] * b[7] + a[10] * b[11] + a[11];
}
static void InterpolateMatrix( float *a, float *b, float lerp, float *mat ) {
float unLerp = 1.0f - lerp;
@ -132,8 +137,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
unsigned short *framedata;
char *str;
int i, j;
float jointMats[IQM_MAX_JOINTS * 2 * 12];
float *mat;
float jointInvMats[IQM_MAX_JOINTS * 12];
float *mat, *matInv;
size_t size, joint_names;
iqmData_t *iqmData;
srfIQModel_t *surface;
@ -418,7 +423,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
// allocate the model and copy the data
size = sizeof(iqmData_t);
size += header->num_meshes * sizeof( srfIQModel_t );
size += header->num_joints * header->num_frames * 12 * sizeof( float );
size += header->num_joints * header->num_frames * 12 * sizeof( float ); // joint mats
size += header->num_joints * header->num_frames * 12 * sizeof( float ); // pose mats
if(header->ofs_bounds)
size += header->num_frames * 6 * sizeof(float); // model bounds
size += header->num_vertexes * 3 * sizeof(float); // positions
@ -443,7 +449,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
iqmData->num_surfaces = header->num_meshes;
iqmData->num_joints = header->num_joints;
iqmData->surfaces = (srfIQModel_t *)(iqmData + 1);
iqmData->poseMats = (float *) (iqmData->surfaces + iqmData->num_surfaces);
iqmData->jointMats = (float *) (iqmData->surfaces + iqmData->num_surfaces);
iqmData->poseMats = iqmData->jointMats + 12 * header->num_joints * header->num_frames;
if(header->ofs_bounds)
{
iqmData->bounds = iqmData->poseMats + 12 * header->num_joints * header->num_frames;
@ -462,8 +469,9 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
iqmData->names = (char *)(iqmData->triangles + 3 * header->num_triangles);
// calculate joint matrices and their inverses
// they are needed only until the pose matrices are calculated
mat = jointMats;
// joint inverses are needed only until the pose matrices are calculated
mat = iqmData->jointMats;
matInv = jointInvMats;
joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
for( i = 0; i < header->num_joints; i++, joint++ ) {
float baseFrame[12], invBaseFrame[12];
@ -473,17 +481,17 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
if ( joint->parent >= 0 )
{
Matrix34Multiply( jointMats + 2 * 12 * joint->parent, baseFrame, mat );
mat += 12;
Matrix34Multiply( invBaseFrame, jointMats + 2 * 12 * joint->parent + 12, mat );
Matrix34Multiply( iqmData->jointMats + 12 * joint->parent, baseFrame, mat );
mat += 12;
Matrix34Multiply( invBaseFrame, jointInvMats + 12 * joint->parent, matInv );
matInv += 12;
}
else
{
Com_Memcpy( mat, baseFrame, sizeof(baseFrame) );
mat += 12;
Com_Memcpy( mat, invBaseFrame, sizeof(invBaseFrame) );
mat += 12;
Com_Memcpy( matInv, invBaseFrame, sizeof(invBaseFrame) );
matInv += 12;
}
}
@ -535,13 +543,13 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
JointToMatrix( rotate, scale, translate, mat1 );
if( pose->parent >= 0 ) {
Matrix34Multiply( jointMats + 12 * 2 * pose->parent,
Matrix34Multiply( iqmData->jointMats + 12 * pose->parent,
mat1, mat2 );
} else {
Com_Memcpy( mat2, mat1, sizeof(mat1) );
}
Matrix34Multiply( mat2, jointMats + 12 * (2 * j + 1), mat );
Matrix34Multiply( mat2, jointInvMats + 12 * j, mat );
mat += 12;
}
}
@ -861,7 +869,7 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
}
static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
static void ComputePoseMats( iqmData_t *data, int frame, int oldframe,
float backlerp, float *mat ) {
float *mat1, *mat2;
int *joint = data->jointParents;
@ -897,6 +905,23 @@ static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
}
}
static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
float backlerp, float *mat ) {
float *mat1;
int i;
ComputePoseMats( data, frame, oldframe, backlerp, mat );
for( i = 0; i < data->num_joints; i++ ) {
float outmat[12];
mat1 = mat + 12 * i;
Com_Memcpy(outmat, mat1, sizeof(outmat));
Matrix34Multiply_OnlySetOrigin( outmat, data->jointMats + 12 * i, mat1 );
}
}
/*
=================
@ -927,7 +952,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
// compute interpolated joint matrices
ComputeJointMats( data, frame, oldframe, backlerp, jointMats );
ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
// transform vertexes and fill other data
for( i = 0; i < surf->num_vertexes;

1
code/renderergl2/tr_local.h
View file

@ -1250,6 +1250,7 @@ typedef struct {
int *triangles;
int *jointParents;
float *jointMats;
float *poseMats;
float *bounds;
char *names;

55
code/renderergl2/tr_model_iqm.c
View file

@ -51,6 +51,11 @@ static void Matrix34Multiply( float *a, float *b, float *out ) {
out[10] = a[8] * b[2] + a[9] * b[6] + a[10] * b[10];
out[11] = a[8] * b[3] + a[9] * b[7] + a[10] * b[11] + a[11];
}
static void Matrix34Multiply_OnlySetOrigin( float *a, float *b, float *out ) {
out[ 3] = a[0] * b[3] + a[1] * b[7] + a[ 2] * b[11] + a[ 3];
out[ 7] = a[4] * b[3] + a[5] * b[7] + a[ 6] * b[11] + a[ 7];
out[11] = a[8] * b[3] + a[9] * b[7] + a[10] * b[11] + a[11];
}
static void InterpolateMatrix( float *a, float *b, float lerp, float *mat ) {
float unLerp = 1.0f - lerp;
@ -132,8 +137,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
unsigned short *framedata;
char *str;
int i, j;
float jointMats[IQM_MAX_JOINTS * 2 * 12];
float *mat;
float jointInvMats[IQM_MAX_JOINTS * 12];
float *mat, *matInv;
size_t size, joint_names;
iqmData_t *iqmData;
srfIQModel_t *surface;
@ -418,7 +423,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
// allocate the model and copy the data
size = sizeof(iqmData_t);
size += header->num_meshes * sizeof( srfIQModel_t );
size += header->num_joints * header->num_frames * 12 * sizeof( float );
size += header->num_joints * header->num_frames * 12 * sizeof( float ); // joint mats
size += header->num_joints * header->num_frames * 12 * sizeof( float ); // pose mats
if(header->ofs_bounds)
size += header->num_frames * 6 * sizeof(float); // model bounds
size += header->num_vertexes * 3 * sizeof(float); // positions
@ -443,7 +449,8 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
iqmData->num_surfaces = header->num_meshes;
iqmData->num_joints = header->num_joints;
iqmData->surfaces = (srfIQModel_t *)(iqmData + 1);
iqmData->poseMats = (float *) (iqmData->surfaces + iqmData->num_surfaces);
iqmData->jointMats = (float *) (iqmData->surfaces + iqmData->num_surfaces);
iqmData->poseMats = iqmData->jointMats + 12 * header->num_joints * header->num_frames;
if(header->ofs_bounds)
{
iqmData->bounds = iqmData->poseMats + 12 * header->num_joints * header->num_frames;
@ -462,8 +469,9 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
iqmData->names = (char *)(iqmData->triangles + 3 * header->num_triangles);
// calculate joint matrices and their inverses
// they are needed only until the pose matrices are calculated
mat = jointMats;
// joint inverses are needed only until the pose matrices are calculated
mat = iqmData->jointMats;
matInv = jointInvMats;
joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
for( i = 0; i < header->num_joints; i++, joint++ ) {
float baseFrame[12], invBaseFrame[12];
@ -473,17 +481,17 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
if ( joint->parent >= 0 )
{
Matrix34Multiply( jointMats + 2 * 12 * joint->parent, baseFrame, mat );
mat += 12;
Matrix34Multiply( invBaseFrame, jointMats + 2 * 12 * joint->parent + 12, mat );
Matrix34Multiply( iqmData->jointMats + 12 * joint->parent, baseFrame, mat );
mat += 12;
Matrix34Multiply( invBaseFrame, jointInvMats + 12 * joint->parent, matInv );
matInv += 12;
}
else
{
Com_Memcpy( mat, baseFrame, sizeof(baseFrame) );
mat += 12;
Com_Memcpy( mat, invBaseFrame, sizeof(invBaseFrame) );
mat += 12;
Com_Memcpy( matInv, invBaseFrame, sizeof(invBaseFrame) );
matInv += 12;
}
}
@ -535,13 +543,13 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
JointToMatrix( rotate, scale, translate, mat1 );
if( pose->parent >= 0 ) {
Matrix34Multiply( jointMats + 12 * 2 * pose->parent,
Matrix34Multiply( iqmData->jointMats + 12 * pose->parent,
mat1, mat2 );
} else {
Com_Memcpy( mat2, mat1, sizeof(mat1) );
}
Matrix34Multiply( mat2, jointMats + 12 * (2 * j + 1), mat );
Matrix34Multiply( mat2, jointInvMats + 12 * j, mat );
mat += 12;
}
}
@ -861,7 +869,7 @@ void R_AddIQMSurfaces( trRefEntity_t *ent ) {
}
static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
static void ComputePoseMats( iqmData_t *data, int frame, int oldframe,
float backlerp, float *mat ) {
float *mat1, *mat2;
int *joint = data->jointParents;
@ -897,6 +905,23 @@ static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
}
}
static void ComputeJointMats( iqmData_t *data, int frame, int oldframe,
float backlerp, float *mat ) {
float *mat1;
int i;
ComputePoseMats( data, frame, oldframe, backlerp, mat );
for( i = 0; i < data->num_joints; i++ ) {
float outmat[12];
mat1 = mat + 12 * i;
Com_Memcpy(outmat, mat1, sizeof(outmat));
Matrix34Multiply_OnlySetOrigin( outmat, data->jointMats + 12 * i, mat1 );
}
}
/*
=================
@ -927,7 +952,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
// compute interpolated joint matrices
ComputeJointMats( data, frame, oldframe, backlerp, jointMats );
ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
// transform vertexes and fill other data
for( i = 0; i < surf->num_vertexes;