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Multires: fix for "failed to read" error message with external displacements.

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This commit is contained in:
Brecht Van Lommel 2010-05-07 09:48:40 +00:00
parent 8ab5ae6a78
commit 9bd3f08b65
2 changed files with 37 additions and 20 deletions
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4
source/blender/blenkernel/intern/customdata.c
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@ -559,7 +559,7 @@ static int layerRead_mdisps(CDataFile *cdf, void *data, int count)
d[i].disps = MEM_callocN(sizeof(float)*3*d[i].totdisp, "mdisps read");
if(!cdf_read_data(cdf, d[i].totdisp*3*sizeof(float), d[i].disps)) {
printf("failed to read %d/%d %d\n", i, count, d[i].totdisp);
printf("failed to read multires displacement %d/%d %d\n", i, count, d[i].totdisp);
return 0;
}
}
@ -574,7 +574,7 @@ static int layerWrite_mdisps(CDataFile *cdf, void *data, int count)
for(i = 0; i < count; ++i) {
if(!cdf_write_data(cdf, d[i].totdisp*3*sizeof(float), d[i].disps)) {
printf("failed to write %d/%d %d\n", i, count, d[i].totdisp);
printf("failed to write multires displacement %d/%d %d\n", i, count, d[i].totdisp);
return 0;
}
}

53
source/blender/blenkernel/intern/multires.c
View File

@ -264,6 +264,38 @@ int multiresModifier_reshapeFromDeformMod(MultiresModifierData *mmd, Object *ob,
return result;
}
static void multires_set_tot_mdisps(Mesh *me, int lvl)
{
MDisps *mdisps= CustomData_get_layer(&me->fdata, CD_MDISPS);
int i;
if(mdisps) {
for(i = 0; i < me->totface; i++) {
if(mdisps[i].totdisp == 0) {
int nvert = (me->mface[i].v4)? 4: 3;
mdisps[i].totdisp = multires_grid_tot[lvl]*nvert;
}
}
}
}
static void multires_reallocate_mdisps(Mesh *me, MDisps *mdisps, int lvl)
{
int i;
/* reallocate displacements to be filled in */
for(i = 0; i < me->totface; ++i) {
int nvert = (me->mface[i].v4)? 4: 3;
int totdisp = multires_grid_tot[lvl]*nvert;
float (*disps)[3] = MEM_callocN(sizeof(float) * 3 * totdisp, "multires disps");
if(mdisps[i].disps)
MEM_freeN(mdisps[i].disps);
mdisps[i].disps = disps;
mdisps[i].totdisp = totdisp;
}
}
static void column_vectors_to_mat3(float mat[][3], float v1[3], float v2[3], float v3[3])
{
@ -320,6 +352,7 @@ void multiresModifier_del_levels(MultiresModifierData *mmd, Object *ob, int dire
int levels = mmd->totlvl - lvl;
MDisps *mdisps;
multires_set_tot_mdisps(me, mmd->totlvl);
CustomData_external_read(&me->fdata, &me->id, CD_MASK_MDISPS, me->totface);
mdisps= CustomData_get_layer(&me->fdata, CD_MDISPS);
@ -393,24 +426,6 @@ static DerivedMesh *subsurf_dm_create_local(Object *ob, DerivedMesh *dm, int lvl
return subsurf_make_derived_from_derived(dm, &smd, 0, NULL, 0, 0);
}
static void multires_reallocate_mdisps(Mesh *me, MDisps *mdisps, int lvl)
{
int i;
/* reallocate displacements to be filled in */
for(i = 0; i < me->totface; ++i) {
int nvert = (me->mface[i].v4)? 4: 3;
int totdisp = multires_grid_tot[lvl]*nvert;
float (*disps)[3] = MEM_callocN(sizeof(float) * 3 * totdisp, "multires disps");
if(mdisps[i].disps)
MEM_freeN(mdisps[i].disps);
mdisps[i].disps = disps;
mdisps[i].totdisp = totdisp;
}
}
void multiresModifier_subdivide(MultiresModifierData *mmd, Object *ob, int updateblock, int simple)
{
Mesh *me = ob->data;
@ -615,6 +630,7 @@ static void multiresModifier_update(DerivedMesh *dm)
ob = ccgdm->multires.ob;
me = ccgdm->multires.ob->data;
mmd = ccgdm->multires.mmd;
multires_set_tot_mdisps(me, mmd->totlvl);
CustomData_external_read(&me->fdata, &me->id, CD_MASK_MDISPS, me->totface);
mdisps = CustomData_get_layer(&me->fdata, CD_MDISPS);
@ -750,6 +766,7 @@ DerivedMesh *multires_dm_create_from_derived(MultiresModifierData *mmd, int loca
memcpy(subGridData[i], gridData[i], sizeof(DMGridData)*gridSize*gridSize);
}
multires_set_tot_mdisps(me, mmd->totlvl);
CustomData_external_read(&me->fdata, &me->id, CD_MASK_MDISPS, me->totface);
multiresModifier_disp_run(result, ob->data, 0, 0, subGridData, mmd->totlvl);