summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--servers/physics_2d/broad_phase_2d_hash_grid.cpp79
-rw-r--r--servers/physics_2d/broad_phase_2d_hash_grid.h11
2 files changed, 50 insertions, 40 deletions
diff --git a/servers/physics_2d/broad_phase_2d_hash_grid.cpp b/servers/physics_2d/broad_phase_2d_hash_grid.cpp
index 6cfe6908d1..35447c5389 100644
--- a/servers/physics_2d/broad_phase_2d_hash_grid.cpp
+++ b/servers/physics_2d/broad_phase_2d_hash_grid.cpp
@@ -35,6 +35,12 @@
#define LARGE_ELEMENT_FI 1.01239812
void BroadPhase2DHashGrid::_pair_attempt(Element *p_elem, Element *p_with) {
+ if (p_elem->owner == p_with->owner) {
+ return;
+ }
+ if (!_test_collision_mask(p_elem->collision_mask, p_elem->collision_layer, p_with->collision_mask, p_with->collision_layer)) {
+ return;
+ }
Map<Element *, PairData *>::Element *E = p_elem->paired.find(p_with);
ERR_FAIL_COND(p_elem->_static && p_with->_static);
@@ -49,6 +55,12 @@ void BroadPhase2DHashGrid::_pair_attempt(Element *p_elem, Element *p_with) {
}
void BroadPhase2DHashGrid::_unpair_attempt(Element *p_elem, Element *p_with) {
+ if (p_elem->owner == p_with->owner) {
+ return;
+ }
+ if (!_test_collision_mask(p_elem->collision_mask, p_elem->collision_layer, p_with->collision_mask, p_with->collision_layer)) {
+ return;
+ }
Map<Element *, PairData *>::Element *E = p_elem->paired.find(p_with);
ERR_FAIL_COND(!E); //this should really be paired..
@@ -74,24 +86,22 @@ void BroadPhase2DHashGrid::_check_motion(Element *p_elem) {
bool physical_collision = p_elem->aabb.intersects(E->key()->aabb);
bool logical_collision = p_elem->owner->test_collision_mask(E->key()->owner);
- if (physical_collision) {
- if (!E->get()->colliding || (logical_collision && !E->get()->ud && pair_callback)) {
+ if (physical_collision && logical_collision) {
+ if (!E->get()->colliding && pair_callback) {
E->get()->ud = pair_callback(p_elem->owner, p_elem->subindex, E->key()->owner, E->key()->subindex, pair_userdata);
- } else if (E->get()->colliding && !logical_collision && E->get()->ud && unpair_callback) {
- unpair_callback(p_elem->owner, p_elem->subindex, E->key()->owner, E->key()->subindex, E->get()->ud, unpair_userdata);
- E->get()->ud = nullptr;
}
E->get()->colliding = true;
- } else { // No physcial_collision
+ } else { // No collision
if (E->get()->colliding && unpair_callback) {
unpair_callback(p_elem->owner, p_elem->subindex, E->key()->owner, E->key()->subindex, E->get()->ud, unpair_userdata);
+ E->get()->ud = nullptr;
}
E->get()->colliding = false;
}
}
}
-void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, bool p_static) {
+void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, bool p_static, bool p_force_enter) {
Vector2 sz = (p_rect.size / cell_size * LARGE_ELEMENT_FI); //use magic number to avoid floating point issues
if (sz.width * sz.height > large_object_min_surface) {
//large object, do not use grid, must check against all elements
@@ -99,9 +109,6 @@ void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, boo
if (E->key() == p_elem->self) {
continue; // do not pair against itself
}
- if (E->get().owner == p_elem->owner) {
- continue;
- }
if (E->get()._static && p_static) {
continue;
}
@@ -133,7 +140,7 @@ void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, boo
pb = pb->next;
}
- bool entered = false;
+ bool entered = p_force_enter;
if (!pb) {
//does not exist, create!
@@ -155,17 +162,11 @@ void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, boo
if (entered) {
for (Map<Element *, RC>::Element *E = pb->object_set.front(); E; E = E->next()) {
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
_pair_attempt(p_elem, E->key());
}
if (!p_static) {
for (Map<Element *, RC>::Element *E = pb->static_object_set.front(); E; E = E->next()) {
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
_pair_attempt(p_elem, E->key());
}
}
@@ -179,18 +180,14 @@ void BroadPhase2DHashGrid::_enter_grid(Element *p_elem, const Rect2 &p_rect, boo
if (E->key() == p_elem) {
continue; // do not pair against itself
}
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
if (E->key()->_static && p_static) {
continue;
}
-
_pair_attempt(E->key(), p_elem);
}
}
-void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool p_static) {
+void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool p_static, bool p_force_exit) {
Vector2 sz = (p_rect.size / cell_size * LARGE_ELEMENT_FI);
if (sz.width * sz.height > large_object_min_surface) {
//unpair all elements, instead of checking all, just check what is already paired, so we at least save from checking static vs static
@@ -229,7 +226,7 @@ void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool
ERR_CONTINUE(!pb); //should exist!!
- bool exited = false;
+ bool exited = p_force_exit;
if (p_static) {
if (pb->static_object_set[p_elem].dec() == 0) {
@@ -245,17 +242,11 @@ void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool
if (exited) {
for (Map<Element *, RC>::Element *E = pb->object_set.front(); E; E = E->next()) {
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
_unpair_attempt(p_elem, E->key());
}
if (!p_static) {
for (Map<Element *, RC>::Element *E = pb->static_object_set.front(); E; E = E->next()) {
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
_unpair_attempt(p_elem, E->key());
}
}
@@ -288,9 +279,6 @@ void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool
if (E->key() == p_elem) {
continue; // do not pair against itself
}
- if (E->key()->owner == p_elem->owner) {
- continue;
- }
if (E->key()->_static && p_static) {
continue;
}
@@ -306,6 +294,8 @@ BroadPhase2DHashGrid::ID BroadPhase2DHashGrid::create(CollisionObject2DSW *p_obj
Element e;
e.owner = p_object;
e._static = false;
+ e.collision_mask = p_object->get_collision_mask();
+ e.collision_layer = p_object->get_collision_layer();
e.subindex = p_subindex;
e.self = current;
e.pass = 0;
@@ -319,13 +309,26 @@ void BroadPhase2DHashGrid::move(ID p_id, const Rect2 &p_aabb) {
ERR_FAIL_COND(!E);
Element &e = E->get();
+ bool layer_changed = e.collision_mask != e.owner->get_collision_mask() || e.collision_layer != e.owner->get_collision_layer();
- if (p_aabb != e.aabb) {
+ if (p_aabb != e.aabb || layer_changed) {
+ uint32_t old_mask = e.collision_mask;
+ uint32_t old_layer = e.collision_layer;
if (p_aabb != Rect2()) {
- _enter_grid(&e, p_aabb, e._static);
+ e.collision_mask = e.owner->get_collision_mask();
+ e.collision_layer = e.owner->get_collision_layer();
+
+ _enter_grid(&e, p_aabb, e._static, layer_changed);
}
if (e.aabb != Rect2()) {
- _exit_grid(&e, e.aabb, e._static);
+ // Need _exit_grid to remove from cells based on the old layer values.
+ e.collision_mask = old_mask;
+ e.collision_layer = old_layer;
+
+ _exit_grid(&e, e.aabb, e._static, layer_changed);
+
+ e.collision_mask = e.owner->get_collision_mask();
+ e.collision_layer = e.owner->get_collision_layer();
}
e.aabb = p_aabb;
}
@@ -344,13 +347,13 @@ void BroadPhase2DHashGrid::set_static(ID p_id, bool p_static) {
}
if (e.aabb != Rect2()) {
- _exit_grid(&e, e.aabb, e._static);
+ _exit_grid(&e, e.aabb, e._static, false);
}
e._static = p_static;
if (e.aabb != Rect2()) {
- _enter_grid(&e, e.aabb, e._static);
+ _enter_grid(&e, e.aabb, e._static, false);
_check_motion(&e);
}
}
@@ -362,7 +365,7 @@ void BroadPhase2DHashGrid::remove(ID p_id) {
Element &e = E->get();
if (e.aabb != Rect2()) {
- _exit_grid(&e, e.aabb, e._static);
+ _exit_grid(&e, e.aabb, e._static, false);
}
element_map.erase(p_id);
diff --git a/servers/physics_2d/broad_phase_2d_hash_grid.h b/servers/physics_2d/broad_phase_2d_hash_grid.h
index eb7c8879ac..bb7c03b989 100644
--- a/servers/physics_2d/broad_phase_2d_hash_grid.h
+++ b/servers/physics_2d/broad_phase_2d_hash_grid.h
@@ -51,6 +51,9 @@ class BroadPhase2DHashGrid : public BroadPhase2DSW {
CollisionObject2DSW *owner;
bool _static;
Rect2 aabb;
+ // Owner's collision_mask/layer, used to detect changes in layers.
+ uint32_t collision_mask;
+ uint32_t collision_layer;
int subindex;
uint64_t pass;
Map<Element *, PairData *> paired;
@@ -115,8 +118,12 @@ class BroadPhase2DHashGrid : public BroadPhase2DSW {
UnpairCallback unpair_callback;
void *unpair_userdata;
- void _enter_grid(Element *p_elem, const Rect2 &p_rect, bool p_static);
- void _exit_grid(Element *p_elem, const Rect2 &p_rect, bool p_static);
+ static _FORCE_INLINE_ bool _test_collision_mask(uint32_t p_mask1, uint32_t p_layer1, uint32_t p_mask2, uint32_t p_layer2) {
+ return p_mask1 & p_layer2 || p_mask2 & p_layer1;
+ }
+
+ void _enter_grid(Element *p_elem, const Rect2 &p_rect, bool p_static, bool p_force_enter);
+ void _exit_grid(Element *p_elem, const Rect2 &p_rect, bool p_static, bool p_force_exit);
template <bool use_aabb, bool use_segment>
_FORCE_INLINE_ void _cull(const Point2i p_cell, const Rect2 &p_aabb, const Point2 &p_from, const Point2 &p_to, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices, int &index);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 23:46:32 +0000