Commit: fcad67e0872abe7a9d0793a4a7e0daf742f6c065
Author: Martin Felke
Date: Thu Nov 6 02:33:21 2014 +0100
Branches: fracture_modifier
https://developer.blender.org/rBfcad67e0872abe7a9d0793a4a7e0daf742f6c065
fake trigger, disable animated checkbox on collision, (but this should be done
by hand, earlier, to get better impact speeds)
===================================================================
M intern/rigidbody/RBI_api.h
M intern/rigidbody/rb_bullet_api.cpp
M source/blender/blenkernel/intern/rigidbody.c
M source/blender/makesdna/DNA_rigidbody_types.h
===================================================================
diff --git a/intern/rigidbody/RBI_api.h b/intern/rigidbody/RBI_api.h
index 49e2d80..08e6b90 100644
--- a/intern/rigidbody/RBI_api.h
+++ b/intern/rigidbody/RBI_api.h
@@ -73,7 +73,7 @@ typedef struct rbConstraint rbConstraint;
/* Create a new dynamics world instance */
// TODO: add args to set the type of constraint solvers, etc.
-rbDynamicsWorld *RB_dworld_new(const float gravity[3]);
+rbDynamicsWorld *RB_dworld_new(const float gravity[3], void* blenderWorld, int
(*callback)(void *, void *, void *));
/* Delete the given dynamics world, and free any extra data it may require */
void RB_dworld_delete(rbDynamicsWorld *world);
@@ -105,7 +105,7 @@ void RB_dworld_export(rbDynamicsWorld *world, const char
*filename);
/* Setup ---------------------------- */
/* Add RigidBody to dynamics world */
-void RB_dworld_add_body(rbDynamicsWorld *world, rbRigidBody *body, int
col_groups);
+void RB_dworld_add_body(rbDynamicsWorld *world, rbRigidBody *body, int
col_groups, void* meshIsland);
/* Remove RigidBody from dynamics world */
void RB_dworld_remove_body(rbDynamicsWorld *world, rbRigidBody *body);
diff --git a/intern/rigidbody/rb_bullet_api.cpp
b/intern/rigidbody/rb_bullet_api.cpp
index a85254a..fe92f38 100644
--- a/intern/rigidbody/rb_bullet_api.cpp
+++ b/intern/rigidbody/rb_bullet_api.cpp
@@ -80,10 +80,13 @@ struct rbDynamicsWorld {
btBroadphaseInterface *pairCache;
btConstraintSolver *constraintSolver;
btOverlapFilterCallback *filterCallback;
+ void *blenderWorld;
};
struct rbRigidBody {
btRigidBody *body;
int col_groups;
+ void *meshIsland;
+ rbDynamicsWorld *world;
};
struct rbVert {
@@ -108,6 +111,12 @@ struct rbCollisionShape {
struct rbFilterCallback : public btOverlapFilterCallback
{
+ int (*callback)(void* world, void* island1, void* island2);
+
+ rbFilterCallback(int (*callback)(void* world, void* island1, void*
island2)) {
+ this->callback = callback;
+ }
+
virtual bool needBroadphaseCollision(btBroadphaseProxy *proxy0,
btBroadphaseProxy *proxy1) const
{
rbRigidBody *rb0 = (rbRigidBody *)((btRigidBody
*)proxy0->m_clientObject)->getUserPointer();
@@ -117,6 +126,10 @@ struct rbFilterCallback : public btOverlapFilterCallback
collides = (proxy0->m_collisionFilterGroup &
proxy1->m_collisionFilterMask) != 0;
collides = collides && (proxy1->m_collisionFilterGroup &
proxy0->m_collisionFilterMask);
collides = collides && (rb0->col_groups & rb1->col_groups);
+ if (this->callback != NULL) {
+ int result = this->callback(rb0->world->blenderWorld,
rb0->meshIsland, rb1->meshIsland);
+ collides = collides && (bool)result;
+ }
return collides;
}
@@ -141,7 +154,8 @@ static inline void copy_quat_btquat(float quat[4], const
btQuaternion &btquat)
/* Setup ---------------------------- */
-rbDynamicsWorld *RB_dworld_new(const float gravity[3])
+//yuck, but need a handle for the world somewhere for collision callback...
+rbDynamicsWorld *RB_dworld_new(const float gravity[3], void* blenderWorld, int
(*callback)(void *, void *, void *))
{
rbDynamicsWorld *world = new rbDynamicsWorld;
@@ -153,7 +167,7 @@ rbDynamicsWorld *RB_dworld_new(const float gravity[3])
world->pairCache = new btDbvtBroadphase();
- world->filterCallback = new rbFilterCallback();
+ world->filterCallback = new rbFilterCallback(callback);
world->pairCache->getOverlappingPairCache()->setOverlapFilterCallback(world->filterCallback);
/* constraint solving */
@@ -164,6 +178,7 @@ rbDynamicsWorld *RB_dworld_new(const float gravity[3])
world->pairCache,
world->constraintSolver,
world->collisionConfiguration);
+ world->blenderWorld = blenderWorld;
RB_dworld_set_gravity(world, gravity);
@@ -250,10 +265,12 @@ void RB_dworld_export(rbDynamicsWorld *world, const char
*filename)
/* Setup ---------------------------- */
-void RB_dworld_add_body(rbDynamicsWorld *world, rbRigidBody *object, int
col_groups)
+void RB_dworld_add_body(rbDynamicsWorld *world, rbRigidBody *object, int
col_groups, void* meshIsland)
{
btRigidBody *body = object->body;
object->col_groups = col_groups;
+ object->meshIsland = meshIsland;
+ object->world = world;
world->dynamicsWorld->addRigidBody(body);
}
diff --git a/source/blender/blenkernel/intern/rigidbody.c
b/source/blender/blenkernel/intern/rigidbody.c
index f1a1da0..9225099 100644
--- a/source/blender/blenkernel/intern/rigidbody.c
+++ b/source/blender/blenkernel/intern/rigidbody.c
@@ -72,6 +72,8 @@
#ifdef WITH_BULLET
+static void validateShard(RigidBodyWorld *rbw, MeshIsland *mi, Object *ob, int
rebuild);
+
static bool isModifierActive(FractureModifierData *rmd) {
return ((rmd != NULL) && (rmd->modifier.mode & (eModifierMode_Realtime
| eModifierMode_Render)) && (rmd->refresh == false));
}
@@ -1117,7 +1119,7 @@ void BKE_rigidbody_validate_sim_shard(RigidBodyWorld
*rbw, MeshIsland *mi, Objec
BKE_rigidbody_validate_sim_shard_shape(mi, ob, true);
if (rbo->physics_object) {
- if (rebuild == false)
+ if (rebuild == false || mi->rigidbody->flag &
RBO_FLAG_KINEMATIC_REBUILD)
RB_dworld_remove_body(rbw->physics_world,
rbo->physics_object);
}
if (!rbo->physics_object || rebuild) {
@@ -1156,9 +1158,10 @@ void BKE_rigidbody_validate_sim_shard(RigidBodyWorld
*rbw, MeshIsland *mi, Objec
}
if (rbw && rbw->physics_world && rbo->physics_object)
- RB_dworld_add_body(rbw->physics_world, rbo->physics_object,
rbo->col_groups);
+ RB_dworld_add_body(rbw->physics_world, rbo->physics_object,
rbo->col_groups, mi);
rbo->flag &= ~RBO_FLAG_NEEDS_VALIDATE;
+ rbo->flag &= ~RBO_FLAG_KINEMATIC_REBUILD;
}
@@ -1231,7 +1234,7 @@ static void rigidbody_validate_sim_object(RigidBodyWorld
*rbw, Object *ob, bool
}
if (rbw && rbw->physics_world)
- RB_dworld_add_body(rbw->physics_world, rbo->physics_object,
rbo->col_groups);
+ RB_dworld_add_body(rbw->physics_world, rbo->physics_object,
rbo->col_groups, NULL);
}
/* --------------------- */
@@ -1590,6 +1593,74 @@ void
BKE_rigidbody_validate_sim_shard_constraint(RigidBodyWorld *rbw, RigidBodyS
}
}
+//this allows partial object activation, only some shards will be activated,
called from bullet(!)
+static int filterCallback(void* world, void* island1, void* island2) {
+ MeshIsland* mi1, *mi2;
+ RigidBodyWorld *rbw = (RigidBodyWorld*)world;
+ Object* ob1, *ob2;
+ int ob_index1, ob_index2;
+ FractureModifierData *fmd1, *fmd2;
+
+ mi1 = (MeshIsland*)island1;
+ mi2 = (MeshIsland*)island2;
+
+ if (rbw == NULL)
+ {
+ return 1;
+ }
+
+ if ((mi1 == NULL) || (mi2 == NULL)) {
+ return 1;
+ }
+
+ //cache offset map is a dull name for that...
+ ob_index1 = rbw->cache_offset_map[mi1->linear_index];
+ ob_index2 = rbw->cache_offset_map[mi2->linear_index];
+
+ if (ob_index1 != ob_index2 &&
+ ((mi1->rigidbody->flag & RBO_FLAG_KINEMATIC) ||
+ (mi2->rigidbody->flag & RBO_FLAG_KINEMATIC)))
+ {
+ float linvel[3], angvel[3];
+ MeshIsland *mi;
+ ob1 = rbw->objects[ob_index1];
+ fmd1 = (FractureModifierData*)modifiers_findByType(ob1,
eModifierType_Fracture);
+ RB_body_get_linear_velocity(mi1->rigidbody->physics_object,
linvel);
+ RB_body_get_angular_velocity(mi1->rigidbody->physics_object,
angvel);
+ for (mi = fmd1->meshIslands.first; mi; mi = mi->next)
+ {
+ RigidBodyOb* rbo = mi->rigidbody;
+ if (mi->rigidbody->flag & RBO_FLAG_KINEMATIC)
+ {
+ rbo->flag &= ~RBO_FLAG_KINEMATIC;
+ rbo->flag |= RBO_FLAG_KINEMATIC_REBUILD;
+
RB_body_set_linear_velocity(rbo->physics_object, linvel);
+
RB_body_set_angular_velocity(rbo->physics_object, angvel);
+ }
+ }
+
+ ob2 = rbw->objects[ob_index2];
+ fmd2 = (FractureModifierData*)modifiers_findByType(ob2,
eModifierType_Fracture);
+ RB_body_get_linear_velocity(mi2->rigidbody->physics_object,
linvel);
+ RB_body_get_angular_velocity(mi2->rigidbody->physics_object,
angvel);
+
+ for (mi = fmd2->meshIslands.first; mi; mi = mi->next)
+ {
+ RigidBodyOb* rbo = mi->rigidbody;
+
+ if (mi->rigidbody->flag & RBO_FLAG_KINEMATIC)
+ {
+ rbo->flag &= ~RBO_FLAG_KINEMATIC;
+ rbo->flag |= RBO_FLAG_KINEMATIC_REBUILD;
+
RB_body_set_linear_velocity(rbo->physics_object, linvel);
+
RB_body_set_angular_velocity(rbo->physics_object, angvel);
+ }
+ }
+ }
+
+ return 1;
+}
+
/* --------------------- */
/* Create physics sim world given RigidBody world settings */
@@ -1604,7 +1675,7 @@ void BKE_rigidbody_validate_sim_world(Scene *scene,
RigidBodyWorld *rbw, bool re
if (rebuild || rbw->physics_world == NULL) {
if (rbw->physics_world)
RB_dworld_delete(rbw->physics_world);
- rbw->physics_world =
RB_dworld_new(scene->physics_settings.gravity);
+ rbw->physics_world =
RB_dworld_new(scene->physics_settings.gravity, rbw, filterCallback);
}
RB_dworld_set_solver_iterations(rbw->physics_world,
rbw->num_solver_iterations);
@@ -2327,7 +2398,7 @@ static void validateShard(RigidBodyWorld *rbw, MeshIsland
*mi, Object *ob, int r
return;
}
- if (rebuild) { // && (mi->rigidbody->flag & RBO_FLAG_NEEDS_VALIDATE)) {
+ if (rebuild || (mi->rigidbody->flag & RBO_FLAG_KINEMATIC_REBUILD)) {
/* World has been rebuilt so rebuild object */
BKE_rigidbody_validate_sim_shard(rbw, mi, ob, true);
}
@@ -2837,8 +2908,30 @@ void BKE_rigidbody_aftertrans_update(Object *ob, float
loc[3], float rot[3], flo
void BKE_rigidbody_cache_reset(RigidBodyWorld *rbw)
{
+ GroupObject *go;
+
if (rbw)
rbw->pointcache->flag |= PTCACHE_OUTDATED;
+
+ /*restore kinematic state of shards if object is kinematic*/
+ for (go = rbw->group->gobject.first; go; go = go->next) {
+ if ((go->ob) && (go->ob->rigidbody_object) &&
(go->ob->rigidbody_object->flag & RBO_FLAG_KINEMATIC))
+ {
+ FractureModifierData *fmd =
(FractureModifierData*)modifiers_findByType(go->ob, eModifierType_Fracture);
+ if (fmd)
+ {
+ MeshIsland* mi;
+ for (mi = fmd->meshIslands.first; mi; mi =
mi->next)
+ {
+ if (mi->rigidbody)
+ {
+ mi->rigidbody->flag |=
RBO_FLAG_KINEMATIC;
+ mi->rigidbody->flag |=
RBO_FLAG_NEEDS_VALIDATE;
+ }
+ }
+ }
+ }
+ }
}
diff --git a/source/blender/makesdna/DNA_rigidbody_types.h b/source/blen
@@ Diff output truncated at 10240 characters. @@
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