From bad445066c3659b5cb0a5d852a2867b67359aead Mon Sep 17 00:00:00 2001 From: Fabio Alessandrelli Date: Fri, 10 Apr 2015 12:25:40 +0000 Subject: [PATCH] Implement Area2D space_override_mode combine --- servers/physics_2d/body_2d_sw.cpp | 37 ++++++++++++++++++------------- servers/physics_2d/body_2d_sw.h | 7 +++--- 2 files changed, 26 insertions(+), 18 deletions(-) diff --git a/servers/physics_2d/body_2d_sw.cpp b/servers/physics_2d/body_2d_sw.cpp index 06d466ace8b..4bbf13f15ff 100644 --- a/servers/physics_2d/body_2d_sw.cpp +++ b/servers/physics_2d/body_2d_sw.cpp @@ -379,13 +379,12 @@ void Body2DSW::_compute_area_gravity(const Area2DSW *p_area) { if (p_area->is_gravity_point()) { - gravity = (p_area->get_transform().xform(p_area->get_gravity_vector()) - get_transform().get_origin()).normalized() * p_area->get_gravity(); + gravity += (p_area->get_transform().xform(p_area->get_gravity_vector()) - get_transform().get_origin()).normalized() * p_area->get_gravity(); } else { - gravity = p_area->get_gravity_vector() * p_area->get_gravity(); + gravity += p_area->get_gravity_vector() * p_area->get_gravity(); } - gravity*=gravity_scale; } void Body2DSW::integrate_forces(real_t p_step) { @@ -393,32 +392,39 @@ void Body2DSW::integrate_forces(real_t p_step) { if (mode==Physics2DServer::BODY_MODE_STATIC) return; - Area2DSW *current_area = get_space()->get_default_area(); - ERR_FAIL_COND(!current_area); + Area2DSW *def_area = get_space()->get_default_area(); + Area2DSW *damp_area = def_area; + ERR_FAIL_COND(!def_area); - int prio = current_area->get_priority(); int ac = areas.size(); + bool replace = false; + gravity=Vector2(0,0); if (ac) { + areas.sort(); const AreaCMP *aa = &areas[0]; - for(int i=0;iget_priority() > prio) { - current_area=aa[i].area; - prio=current_area->get_priority(); + damp_area = aa[ac-1].area; + for(int i=ac-1;i>=0;i--) { + _compute_area_gravity(aa[i].area); + if (aa[i].area->get_space_override_mode() == Physics2DServer::AREA_SPACE_OVERRIDE_REPLACE) { + replace = true; + break; } } } - - _compute_area_gravity(current_area); + if( !replace ) { + _compute_area_gravity(def_area); + } + gravity*=gravity_scale; if (angular_damp>=0) area_angular_damp=angular_damp; else - area_angular_damp=current_area->get_angular_damp(); + area_angular_damp=damp_area->get_angular_damp(); if (linear_damp>=0) area_linear_damp=linear_damp; else - area_linear_damp=current_area->get_linear_damp(); + area_linear_damp=damp_area->get_linear_damp(); Vector2 motion; bool do_motion=false; @@ -482,7 +488,8 @@ void Body2DSW::integrate_forces(real_t p_step) { _update_shapes_with_motion(motion); } - current_area=NULL; // clear the area, so it is set in the next frame + damp_area=NULL; // clear the area, so it is set in the next frame + def_area=NULL; // clear the area, so it is set in the next frame contact_count=0; } diff --git a/servers/physics_2d/body_2d_sw.h b/servers/physics_2d/body_2d_sw.h index 3b87be27372..516fab61e39 100644 --- a/servers/physics_2d/body_2d_sw.h +++ b/servers/physics_2d/body_2d_sw.h @@ -91,13 +91,14 @@ class Body2DSW : public CollisionObject2DSW { struct AreaCMP { Area2DSW *area; - _FORCE_INLINE_ bool operator<(const AreaCMP& p_cmp) const { return area->get_self() < p_cmp.area->get_self() ; } + _FORCE_INLINE_ bool operator==(const AreaCMP& p_cmp) const { return area->get_self() == p_cmp.area->get_self();} + _FORCE_INLINE_ bool operator<(const AreaCMP a) const { return area->get_priority() < a.area->get_priority();} _FORCE_INLINE_ AreaCMP() {} _FORCE_INLINE_ AreaCMP(Area2DSW *p_area) { area=p_area;} }; - VSet areas; + Vector areas; struct Contact { @@ -140,7 +141,7 @@ public: void set_force_integration_callback(ObjectID p_id, const StringName& p_method, const Variant &p_udata=Variant()); - _FORCE_INLINE_ void add_area(Area2DSW *p_area) { areas.insert(AreaCMP(p_area)); } + _FORCE_INLINE_ void add_area(Area2DSW *p_area) { areas.ordered_insert(AreaCMP(p_area)); } _FORCE_INLINE_ void remove_area(Area2DSW *p_area) { areas.erase(AreaCMP(p_area)); } _FORCE_INLINE_ void set_max_contacts_reported(int p_size) { contacts.resize(p_size); contact_count=0; if (mode==Physics2DServer::BODY_MODE_KINEMATIC && p_size) set_active(true);}