C++ (Cpp) multires_dm_create_from_derivedの例

コード例 #1

ファイル: MOD_multires.c プロジェクト: OldBrunet/BGERTPS

static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm,
						   int useRenderParams, int isFinalCalc)
{
	SculptSession *ss= ob->sculpt;
	int sculpting= (ob->mode & OB_MODE_SCULPT) && ss;
	MultiresModifierData *mmd = (MultiresModifierData*)md;
	DerivedMesh *result;
	Mesh *me= (Mesh*)ob->data;

	if(mmd->totlvl) {
		if(!CustomData_get_layer(&me->fdata, CD_MDISPS)) {
			/* multires always needs a displacement layer */
			CustomData_add_layer(&me->fdata, CD_MDISPS, CD_CALLOC, NULL, me->totface);
		}
	}

	result = multires_dm_create_from_derived(mmd, 0, dm, ob, useRenderParams, isFinalCalc);

	if(result == dm)
		return dm;

	if(useRenderParams || !isFinalCalc) {
		DerivedMesh *cddm= CDDM_copy(result);
		result->release(result);
		result= cddm;
	}
	else if(sculpting) {
		/* would be created on the fly too, just nicer this
		   way on first stroke after e.g. switching levels */
		ss->pbvh= result->getPBVH(ob, result);
	}

	return result;
}

コード例 #2

static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *dm,
                                  ModifierApplyFlag flag)
{
	MultiresModifierData *mmd = (MultiresModifierData *)md;
	DerivedMesh *result;
	Mesh *me = (Mesh *)ob->data;
	const int useRenderParams = flag & MOD_APPLY_RENDER;

	if (mmd->totlvl) {
		if (!CustomData_get_layer(&me->ldata, CD_MDISPS)) {
			/* multires always needs a displacement layer */
			CustomData_add_layer(&me->ldata, CD_MDISPS, CD_CALLOC, NULL, me->totloop);
		}
	}

	result = multires_dm_create_from_derived(mmd, 0, dm, ob, useRenderParams);

	if (result == dm)
		return dm;

	if(useRenderParams || !(flag & MOD_APPLY_USECACHE)) {
		DerivedMesh *cddm;
		
		cddm = CDDM_copy(result);

		/* copy hidden flag to vertices */
		if (!useRenderParams) {
			struct MDisps *mdisps;
			mdisps = CustomData_get_layer(&me->ldata, CD_MDISPS);
			if (mdisps) {
				subsurf_copy_grid_hidden(result, me->mpoly,
				                         cddm->getVertArray(cddm),
				                         mdisps);

				BKE_mesh_flush_hidden_from_verts(cddm->getVertArray(cddm),
				                                 cddm->getLoopArray(cddm),
				                                 cddm->getEdgeArray(cddm),
				                                 cddm->getNumEdges(cddm),
				                                 cddm->getPolyArray(cddm),
				                                 cddm->getNumPolys(cddm));
			}
		}

		result->release(result);
		result = cddm;
	}

	return result;
}