Differential D10790 Diff 35487 source/blender/blenkernel/intern/lattice_deform.c

Changeset View

Standalone View

source/blender/blenkernel/intern/lattice_deform.c

	Show First 20 Lines • Show All 41 Lines • ▼ Show 20 Lines
	#include "DNA_object_types.h"			#include "DNA_object_types.h"

	#include "BKE_curve.h"			#include "BKE_curve.h"
	#include "BKE_displist.h"			#include "BKE_displist.h"
	#include "BKE_editmesh.h"			#include "BKE_editmesh.h"
	#include "BKE_key.h"			#include "BKE_key.h"
	#include "BKE_lattice.h"			#include "BKE_lattice.h"
	#include "BKE_modifier.h"			#include "BKE_modifier.h"
				#include "BKE_object.h"

	#include "BKE_deform.h"			#include "BKE_deform.h"

	/* -------------------------------------------------------------------- */			/* -------------------------------------------------------------------- */
	/** \name Lattice Deform API			/** \name Lattice Deform API
	* \{ */			* \{ */

	typedef struct LatticeDeformData {			typedef struct LatticeDeformData {
	/* Convert from object space to deform space */			/* Convert from object space to deform space */
	float latmat[4][4];			float latmat[4][4];
	/* Cached reference to the lattice to use for evaluation. When in edit mode this attribute			/* Cached reference to the lattice to use for evaluation. When in edit mode this attribute
	* is set to the edit mode lattice. */			* is set to the edit mode lattice. */
	const Lattice *lt;			const Lattice *lt;
	/* Preprocessed lattice points (converted to deform space). */			/* Preprocessed lattice points (converted to deform space). */
	float *latticedata;			float *latticedata;
	/* Prefetched DeformWeights of the lattice. */			/* Prefetched DeformWeights of the lattice. */
	float *lattice_weights;			float *lattice_weights;
	} LatticeDeformData;			} LatticeDeformData;

	LatticeDeformData BKE_lattice_deform_data_create(const Object oblatt, const Object *ob)			LatticeDeformData BKE_lattice_deform_data_create(const Object oblatt, const Object *ob)
	{			{
	/* we make an array with all differences */			/* we make an array with all differences */
	Lattice *lt = oblatt->data;			Lattice *lt = BKE_object_get_lattice(oblatt);
	BPoint *bp;			BPoint *bp;
	DispList *dl = oblatt->runtime.curve_cache ?			DispList *dl = oblatt->runtime.curve_cache ?
	BKE_displist_find(&oblatt->runtime.curve_cache->disp, DL_VERTS) :			BKE_displist_find(&oblatt->runtime.curve_cache->disp, DL_VERTS) :
	NULL;			NULL;
	const float *co = dl ? dl->verts : NULL;			const float *co = dl ? dl->verts : NULL;
	float *fp, imat[4][4];			float *fp, imat[4][4];
	float fu, fv, fw;			float fu, fv, fw;
	int u, v, w;			int u, v, w;
	float *latticedata;			float *latticedata;
	float *lattice_weights = NULL;			float *lattice_weights = NULL;
	float latmat[4][4];			float latmat[4][4];
	LatticeDeformData *lattice_deform_data;			LatticeDeformData *lattice_deform_data;

	if (lt->editlatt) {
	lt = lt->editlatt->latt;
	}
	bp = lt->def;			bp = lt->def;

	const int32_t num_points = lt->pntsu * lt->pntsv * lt->pntsw;			const int32_t num_points = lt->pntsu * lt->pntsv * lt->pntsw;
	/* We allocate one additional float for SSE2 optimizations. Without this			/* We allocate one additional float for SSE2 optimizations. Without this
	* the SSE2 instructions for the last item would read in unallocated memory. */			* the SSE2 instructions for the last item would read in unallocated memory. */
	fp = latticedata = MEM_mallocN(sizeof(float[3]) * num_points + sizeof(float), "latticedata");			fp = latticedata = MEM_mallocN(sizeof(float[3]) * num_points + sizeof(float), "latticedata");

	/* for example with a particle system: (ob == NULL) */			/* for example with a particle system: (ob == NULL) */
	▲ Show 20 Lines • Show All 376 Lines • Show Last 20 Lines