Commit: 4a16242e6008d7573c52b39274a88f0713d1345f
Author: Lukas Tönne
Date: Mon Jan 19 18:39:41 2015 +0100
Branches: master
https://developer.blender.org/rB4a16242e6008d7573c52b39274a88f0713d1345f
Cleanup: Removed the unnecessary cloth solver abstraction (there is only
one solver anyway), and split some particle cloth functions for clarity.
Conflicts:
source/blender/blenkernel/BKE_particle.h
source/blender/blenkernel/intern/particle_system.c
source/blender/blenloader/intern/versioning_270.c
source/blender/makesdna/DNA_particle_types.h
source/blender/makesrna/intern/rna_particle.c
===================================================================
M source/blender/blenkernel/BKE_cloth.h
M source/blender/blenkernel/intern/cloth.c
M source/blender/blenkernel/intern/particle_system.c
===================================================================
diff --git a/source/blender/blenkernel/BKE_cloth.h
b/source/blender/blenkernel/BKE_cloth.h
index 940d8ea..3a9bb9c 100644
--- a/source/blender/blenkernel/BKE_cloth.h
+++ b/source/blender/blenkernel/BKE_cloth.h
@@ -249,25 +249,5 @@ void cloth_parallel_transport_hair_frame(float mat[3][3],
const float dir_old[3]
////////////////////////////////////////////////
-
-/* This enum provides the IDs for our solvers. */
-// only one available in the moment
-typedef enum {
- CM_IMPLICIT = 0,
-} CM_SOLVER_ID;
-
-
-/* This structure defines how to call the solver.
- */
-typedef struct {
- const char *name;
- CM_SOLVER_ID id;
- int ( *init ) (struct Object *ob, struct ClothModifierData *clmd );
- int ( *solver ) (struct Object *ob, float framenr, struct
ClothModifierData *clmd, struct ListBase *effectors );
- void ( *free ) (struct ClothModifierData *clmd );
-}
-CM_SOLVER_DEF;
-
-
#endif
diff --git a/source/blender/blenkernel/intern/cloth.c
b/source/blender/blenkernel/intern/cloth.c
index a77357f..a8d7d0a 100644
--- a/source/blender/blenkernel/intern/cloth.c
+++ b/source/blender/blenkernel/intern/cloth.c
@@ -51,15 +51,6 @@
// #include "PIL_time.h" /* timing for debug prints */
-/* Our available solvers. */
-// 255 is the magic reserved number, so NEVER try to put 255 solvers in here!
-// 254 = MAX!
-static CM_SOLVER_DEF solvers [] =
-{
- { "Implicit", CM_IMPLICIT, BPH_cloth_solver_init, BPH_cloth_solve,
BPH_cloth_solver_free },
- // { "Implicit C++", CM_IMPLICITCPP, implicitcpp_init,
implicitcpp_solver, implicitcpp_free },
-};
-
/* ********** cloth engine ******* */
/* Prototypes for internal functions.
*/
@@ -419,8 +410,7 @@ static int do_step_cloth(Object *ob, ClothModifierData
*clmd, DerivedMesh *resul
// TIMEIT_START(cloth_step)
/* call the solver. */
- if (solvers [clmd->sim_parms->solver_type].solver)
- ret = solvers[clmd->sim_parms->solver_type].solver(ob, framenr,
clmd, effectors);
+ ret = BPH_cloth_solve(ob, framenr, clmd, effectors);
// TIMEIT_END(cloth_step)
@@ -615,10 +605,7 @@ void cloth_free_modifier(ClothModifierData *clmd )
if ( cloth ) {
- // If our solver provides a free function, call it
- if ( solvers [clmd->sim_parms->solver_type].free ) {
- solvers [clmd->sim_parms->solver_type].free ( clmd );
- }
+ BPH_cloth_solver_free(clmd);
// Free the verts.
if ( cloth->verts != NULL )
@@ -684,10 +671,7 @@ void cloth_free_modifier_extern(ClothModifierData *clmd )
if (G.debug_value > 0)
printf("cloth_free_modifier_extern in\n");
- // If our solver provides a free function, call it
- if ( solvers [clmd->sim_parms->solver_type].free ) {
- solvers [clmd->sim_parms->solver_type].free ( clmd );
- }
+ BPH_cloth_solver_free(clmd);
// Free the verts.
if ( cloth->verts != NULL )
@@ -965,9 +949,7 @@ static int cloth_from_object(Object *ob, ClothModifierData
*clmd, DerivedMesh *d
}
// init our solver
- if ( solvers [clmd->sim_parms->solver_type].init ) {
- solvers [clmd->sim_parms->solver_type].init ( ob, clmd );
- }
+ BPH_cloth_solver_init(ob, clmd);
if (!first)
BKE_cloth_solver_set_positions(clmd);
diff --git a/source/blender/blenkernel/intern/particle_system.c
b/source/blender/blenkernel/intern/particle_system.c
index 864938c..e35858c 100644
--- a/source/blender/blenkernel/intern/particle_system.c
+++ b/source/blender/blenkernel/intern/particle_system.c
@@ -4040,32 +4040,34 @@ static MDeformVert *hair_set_pinning(MDeformVert
*dvert, float weight)
return dvert;
}
-static void do_hair_dynamics(ParticleSimulationData *sim)
+static void hair_create_input_dm(ParticleSimulationData *sim, int totpoint,
int totedge, DerivedMesh **r_dm, ClothHairRoot **r_roots)
{
ParticleSystem *psys = sim->psys;
- DerivedMesh *dm = psys->hair_in_dm;
- MVert *mvert = NULL;
- MEdge *medge = NULL;
- MDeformVert *dvert = NULL;
+ DerivedMesh *dm;
+ ClothHairRoot *roots;
+ MVert *mvert;
+ MEdge *medge;
+ MDeformVert *dvert;
HairKey *key;
PARTICLE_P;
- int totpoint = 0;
- int totedge;
- int k;
+ int k, hair_index;
float hairmat[4][4];
- float (*deformedVerts)[3];
float max_length;
- bool realloc_roots;
-
- if (!psys->clmd) {
- psys->clmd =
(ClothModifierData*)modifier_new(eModifierType_Cloth);
- psys->clmd->sim_parms->goalspring = 0.0f;
- psys->clmd->sim_parms->vel_damping = 1.0f;
- psys->clmd->sim_parms->flags |=
CLOTH_SIMSETTINGS_FLAG_GOAL|CLOTH_SIMSETTINGS_FLAG_NO_SPRING_COMPRESS;
- psys->clmd->coll_parms->flags &= ~CLOTH_COLLSETTINGS_FLAG_SELF;
- psys->clmd->coll_parms->flags |= CLOTH_COLLSETTINGS_FLAG_POINTS;
+
+ dm = *r_dm;
+ if (!dm) {
+ *r_dm = dm = CDDM_new(totpoint, totedge, 0, 0, 0);
+ DM_add_vert_layer(dm, CD_MDEFORMVERT, CD_CALLOC, NULL);
}
-
+ mvert = CDDM_get_verts(dm);
+ medge = CDDM_get_edges(dm);
+ dvert = DM_get_vert_data_layer(dm, CD_MDEFORMVERT);
+
+ roots = *r_roots;
+ if (!roots) {
+ *r_roots = roots = MEM_mallocN(sizeof(ClothHairRoot) *
totpoint, "hair roots");
+ }
+
/* calculate maximum segment length */
max_length = 0.0f;
LOOP_PARTICLES {
@@ -4075,117 +4077,138 @@ static void do_hair_dynamics(ParticleSimulationData
*sim)
max_length = length;
}
}
-
- /* create a dm from hair vertices */
- LOOP_PARTICLES
- totpoint += pa->totkey;
-
- totedge = totpoint;
- totpoint += psys->totpart;
-
- realloc_roots = false; /* whether hair root info array has to be
reallocated */
- if (dm && (totpoint != dm->getNumVerts(dm) || totedge !=
dm->getNumEdges(dm))) {
- dm->release(dm);
- dm = psys->hair_in_dm = NULL;
-
- realloc_roots = true;
- }
-
- if (!dm) {
- dm = psys->hair_in_dm = CDDM_new(totpoint, totedge, 0, 0, 0);
- DM_add_vert_layer(dm, CD_MDEFORMVERT, CD_CALLOC, NULL);
-
- realloc_roots = true;
- }
- if (!psys->clmd->roots || realloc_roots) {
- if (psys->clmd->roots)
- MEM_freeN(psys->clmd->roots);
- psys->clmd->roots = MEM_mallocN(sizeof(ClothHairRoot) *
totpoint, "hair roots");
- }
-
- mvert = CDDM_get_verts(dm);
- medge = CDDM_get_edges(dm);
- dvert = DM_get_vert_data_layer(dm, CD_MDEFORMVERT);
-
psys->clmd->sim_parms->vgroup_mass = 1;
-
+
/* make vgroup for pin roots etc.. */
- psys->particles->hair_index = 1;
+ hair_index = 1;
LOOP_PARTICLES {
float root_mat[4][4];
- bool use_hair = psys_hair_use_simulation(pa, max_length);
-
- if (p)
- pa->hair_index = (pa-1)->hair_index + (pa-1)->totkey +
1;
-
+ bool use_hair;
+
+ pa->hair_index = hair_index;
+ use_hair = psys_hair_use_simulation(pa, max_length);
+
psys_mat_hair_to_object(sim->ob, sim->psmd->dm,
psys->part->from, pa, hairmat);
mul_m4_m4m4(root_mat, sim->ob->obmat, hairmat);
normalize_m4(root_mat);
-
+
for (k=0, key=pa->hair; k<pa->totkey; k++,key++) {
ClothHairRoot *root;
+ float *co, *co_next;
+
+ co = key->co;
+ co_next = (key+1)->co;
/* create fake root before actual root to resist
bending */
if (k==0) {
- float temp[3];
-
root = &psys->clmd->roots[pa->hair_index - 1];
copy_v3_v3(root->loc, root_mat[3]);
copy_m3_m4(root->rot, root_mat);
- sub_v3_v3v3(temp, key->co, (key+1)->co);
- copy_v3_v3(mvert->co, key->co);
- add_v3_v3v3(mvert->co, mvert->co, temp);
+ add_v3_v3v3(mvert->co, co, co);
+ sub_v3_v3(mvert->co, co_next);
mul_m4_v3(hairmat, mvert->co);
- mvert++;
-
+
medge->v1 = pa->hair_index - 1;
medge->v2 = pa->hair_index;
- medge++;
-
+
dvert = hair_set_pinning(dvert, 1.0f);
+
+ mvert++;
+ medge++;
}
-
+
/* store root transform in cloth data */
root = &psys->clmd->roots[pa->hair_index + k];
copy_v3_v3(root->loc, root_mat[3]);
copy_m3_m4(root->rot, root_mat);
-
- copy_v3_v3(mvert->co, key->co);
+
+ copy_v3_v3(mvert->co, co);
mul_m4_v3(hairmat, mvert->co);
- mvert++;
if (k) {
medge->v1 = pa->hair_index + k - 1;
medge->v2 = pa->hair_index + k;
- medge++;
}
-
+
/* roots and disabled hairs should be 1.0, the rest can
be anything from 0.0 to 1.0 */
if (use_hair)
dvert = hair_set_pinning(dvert, key->weight);
else
dvert = hair_set_pinning(dvert, 1.0f);
+
+ mvert++;
+ if (k)
+ medge++;
}
+
+ hair_index += pa->totkey + 1;
}
+}
+static void do_hair_dynamics(ParticleSimulationData *sim)
+{
+ ParticleSystem *psys = sim->psys;
+ PARTICLE_P;
+ int totpoint;
+ int totedge;
+ float (*deformedVerts)[3];
+ bool realloc_roots;
+
+ if (!psys->clmd) {
+ psys->clmd =
(ClothModifierData*)modifier_new(eModifierType_Cloth);
+ psys->clmd->sim_parms->goalspring = 0.0f;
+ psys->clmd->sim_parms->vel_damping = 1.0f;
+ psys->clmd->sim_parms->flags |=
CLOTH_SIMSETTINGS_FLAG_GOAL|CLOTH_SIMSETTINGS_FLAG_NO_SPRING_COMPRESS;
+ psys->clmd->coll_parms->flags &= ~CLOTH_COLLSETTINGS_FLAG_SELF;
+ psys->clmd->coll_parms->flags |= CLOTH_COLLSETTINGS_FLAG_POINTS;
+ }
+
+ /* count simulated points */
+ totpoint = 0;
+ totedge = 0;
+ LOOP_PARTICLES {
+ /* "out" dm contains all hairs */
+ totedge += pa->totkey;
+ totpoint += pa->totkey + 1; /* +1 for virtual root point */
+ }
+
+ realloc_roots = false; /* whether hair root info array has to be
reallocated */
+ if (psys->hair_in_dm) {
+ DerivedMesh *dm = psys->hair_in_dm;
+ if (totpoint != dm->getNumVerts(dm) || totedge !=
dm->getNumEdges(dm)) {
+ dm->release(dm);
+ psys->hair_in_dm = NULL;
+ realloc_roots = true;
+ }
+ }
+
+ if (psys->hair_in_dm || !psys->clmd->roots || realloc_roots) {
+ if (psys->clmd->roots) {
+ MEM_freeN(psys->clmd->roots);
+ psys->clmd->roots = NULL;
+ }
+ }
+
+ hair_create_input_dm(sim, totpoint, totedge, &psys->hair_in_dm,
&psys->clmd->roots);
+
if (psys->hair_out_dm)
psys->hair_out_dm->release(psys->hair_out_dm);
-
+
psys->clmd->point_cache = psys->pointcache;
psys->clmd->sim_parms->effector_weights = psys->part->effector_weights;
-
- deformedVerts = MEM_mallocN(sizeof(*deformedVerts) *
dm->getNumVerts(dm), "do_hair_dynamics vertexCos");
- psys->hair_out_dm = CDDM_copy(dm);
+
+ deformedVerts = MEM_mallocN(sizeof(*deformedVerts) *
psys->hair_in_dm->getNumVerts(psys->hair_in_dm), "do_hair_dynamics vertexCos");
+ psys->hair_out_dm = CDDM_copy(psys->hair_in_dm);
psys->hair_out_dm->getVertCos(psys->hair_out_dm, deformedVerts);
-
- clothModifier_d
@@ Diff output truncated at 10240 characters. @@
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