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Remove disabled shapes from physics 

Disabling a shape removes it from physics calculations. Enabling a shape adds it back to the physics calculations.

(cherry picked from commit 4d6bb43931)
This commit is contained in:
ShyRed 2018-03-01 19:56:55 +01:00 committed by Rémi Verschelde
parent 7e1e73c719
commit e7886978bd
2 changed files with 29 additions and 4 deletions
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28
servers/physics_2d/collision_object_2d_sw.cpp
View File

@ -73,6 +73,27 @@ void CollisionObject2DSW::set_shape_transform(int p_index, const Transform2D &p_
_shapes_changed();
}
void CollisionObject2DSW::set_shape_as_disabled(int p_idx, bool p_disabled) {
ERR_FAIL_INDEX(p_idx, shapes.size());
CollisionObject2DSW::Shape &shape = shapes[p_idx];
if (shape.disabled == p_disabled)
return;
shape.disabled = p_disabled;
if (!space)
return;
if (p_disabled && shape.bpid != 0) {
space->get_broadphase()->remove(shape.bpid);
shape.bpid = 0;
_update_shapes();
} else if (!p_disabled && shape.bpid == 0) {
_update_shapes(); // automatically adds shape with bpid == 0
}
}
void CollisionObject2DSW::remove_shape(Shape2DSW *p_shape) {
//remove a shape, all the times it appears
@ -139,6 +160,10 @@ void CollisionObject2DSW::_update_shapes() {
for (int i = 0; i < shapes.size(); i++) {
Shape &s = shapes[i];
if (s.disabled)
continue;
if (s.bpid == 0) {
s.bpid = space->get_broadphase()->create(this, i);
space->get_broadphase()->set_static(s.bpid, _static);
@ -163,6 +188,9 @@ void CollisionObject2DSW::_update_shapes_with_motion(const Vector2 &p_motion) {
for (int i = 0; i < shapes.size(); i++) {
Shape &s = shapes[i];
if (s.disabled)
continue;
if (s.bpid == 0) {
s.bpid = space->get_broadphase()->create(this, i);
space->get_broadphase()->set_static(s.bpid, _static);

5
servers/physics_2d/collision_object_2d_sw.h
View File

@ -136,10 +136,7 @@ public:
_FORCE_INLINE_ Transform2D get_inv_transform() const { return inv_transform; }
_FORCE_INLINE_ Space2DSW *get_space() const { return space; }
_FORCE_INLINE_ void set_shape_as_disabled(int p_idx, bool p_disabled) {
ERR_FAIL_INDEX(p_idx, shapes.size());
shapes[p_idx].disabled = p_disabled;
}
void set_shape_as_disabled(int p_idx, bool p_disabled);
_FORCE_INLINE_ bool is_shape_set_as_disabled(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, shapes.size(), false);
return shapes[p_idx].disabled;