From a969e2e6f17d6810771e9c9c31551d57e5d1efdb Mon Sep 17 00:00:00 2001 From: Juan Linietsky Date: Tue, 17 Mar 2015 00:45:25 -0300 Subject: Area2D can now detect overlap with other areas this should make everything simpler, specially for newcomers to Godot --- scene/2d/area_2d.cpp | 235 +++++++++++++++++++++++++++++++++++++++++++++++---- scene/2d/area_2d.h | 35 ++++++++ 2 files changed, 252 insertions(+), 18 deletions(-) (limited to 'scene/2d') diff --git a/scene/2d/area_2d.cpp b/scene/2d/area_2d.cpp index fce21f6001..b972ddfa3c 100644 --- a/scene/2d/area_2d.cpp +++ b/scene/2d/area_2d.cpp @@ -216,6 +216,119 @@ void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_b } + +void Area2D::_area_enter_tree(ObjectID p_id) { + + Object *obj = ObjectDB::get_instance(p_id); + Node *node = obj ? obj->cast_to() : NULL; + ERR_FAIL_COND(!node); + + Map::Element *E=area_map.find(p_id); + ERR_FAIL_COND(!E); + ERR_FAIL_COND(E->get().in_tree); + + E->get().in_tree=true; + emit_signal(SceneStringNames::get_singleton()->area_enter,node); + for(int i=0;iget().shapes.size();i++) { + + emit_signal(SceneStringNames::get_singleton()->area_enter_shape,p_id,node,E->get().shapes[i].area_shape,E->get().shapes[i].self_shape); + } + +} + +void Area2D::_area_exit_tree(ObjectID p_id) { + + Object *obj = ObjectDB::get_instance(p_id); + Node *node = obj ? obj->cast_to() : NULL; + ERR_FAIL_COND(!node); + Map::Element *E=area_map.find(p_id); + ERR_FAIL_COND(!E); + ERR_FAIL_COND(!E->get().in_tree); + E->get().in_tree=false; + emit_signal(SceneStringNames::get_singleton()->area_exit,node); + for(int i=0;iget().shapes.size();i++) { + + emit_signal(SceneStringNames::get_singleton()->area_exit_shape,p_id,node,E->get().shapes[i].area_shape,E->get().shapes[i].self_shape); + } + +} + +void Area2D::_area_inout(int p_status,const RID& p_area, int p_instance, int p_area_shape,int p_self_shape) { + + bool area_in = p_status==Physics2DServer::AREA_BODY_ADDED; + ObjectID objid=p_instance; + + Object *obj = ObjectDB::get_instance(objid); + Node *node = obj ? obj->cast_to() : NULL; + + Map::Element *E=area_map.find(objid); + + ERR_FAIL_COND(!area_in && !E); + + locked=true; + + if (area_in) { + if (!E) { + + E = area_map.insert(objid,AreaState()); + E->get().rc=0; + E->get().in_tree=node && node->is_inside_tree(); + if (node) { + node->connect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_area_enter_tree,make_binds(objid)); + node->connect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_area_exit_tree,make_binds(objid)); + if (E->get().in_tree) { + emit_signal(SceneStringNames::get_singleton()->area_enter,node); + } + } + + } + E->get().rc++; + if (node) + E->get().shapes.insert(AreaShapePair(p_area_shape,p_self_shape)); + + + if (!node || E->get().in_tree) { + emit_signal(SceneStringNames::get_singleton()->area_enter_shape,objid,node,p_area_shape,p_self_shape); + } + + } else { + + E->get().rc--; + + if (node) + E->get().shapes.erase(AreaShapePair(p_area_shape,p_self_shape)); + + bool eraseit=false; + + if (E->get().rc==0) { + + if (node) { + node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_area_enter_tree); + node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_area_exit_tree); + if (E->get().in_tree) + emit_signal(SceneStringNames::get_singleton()->area_exit,obj); + + } + + eraseit=true; + + } + if (!node || E->get().in_tree) { + emit_signal(SceneStringNames::get_singleton()->area_exit_shape,objid,obj,p_area_shape,p_self_shape); + } + + if (eraseit) + area_map.erase(E); + + } + + locked=false; + + +} + + + void Area2D::_clear_monitoring() { if (locked) { @@ -223,27 +336,56 @@ void Area2D::_clear_monitoring() { } ERR_FAIL_COND(locked); - Map bmcopy = body_map; - body_map.clear(); - //disconnect all monitored stuff + { + Map bmcopy = body_map; + body_map.clear(); + //disconnect all monitored stuff - for (Map::Element *E=bmcopy.front();E;E=E->next()) { + for (Map::Element *E=bmcopy.front();E;E=E->next()) { - Object *obj = ObjectDB::get_instance(E->key()); - Node *node = obj ? obj->cast_to() : NULL; - ERR_CONTINUE(!node); - if (!E->get().in_tree) - continue; + Object *obj = ObjectDB::get_instance(E->key()); + Node *node = obj ? obj->cast_to() : NULL; + ERR_CONTINUE(!node); + if (!E->get().in_tree) + continue; - for(int i=0;iget().shapes.size();i++) { + for(int i=0;iget().shapes.size();i++) { - emit_signal(SceneStringNames::get_singleton()->body_exit_shape,E->key(),node,E->get().shapes[i].body_shape,E->get().shapes[i].area_shape); + emit_signal(SceneStringNames::get_singleton()->body_exit_shape,E->key(),node,E->get().shapes[i].body_shape,E->get().shapes[i].area_shape); + } + + emit_signal(SceneStringNames::get_singleton()->body_exit,obj); + + node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree); + node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree); } - emit_signal(SceneStringNames::get_singleton()->body_exit,obj); + } + + { - node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_body_enter_tree); - node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_body_exit_tree); + Map bmcopy = area_map; + area_map.clear(); + //disconnect all monitored stuff + + for (Map::Element *E=bmcopy.front();E;E=E->next()) { + + Object *obj = ObjectDB::get_instance(E->key()); + Node *node = obj ? obj->cast_to() : NULL; + ERR_CONTINUE(!node); + if (!E->get().in_tree) + continue; + + for(int i=0;iget().shapes.size();i++) { + + emit_signal(SceneStringNames::get_singleton()->area_exit_shape,E->key(),node,E->get().shapes[i].area_shape,E->get().shapes[i].self_shape); + } + + emit_signal(SceneStringNames::get_singleton()->area_exit,obj); + + node->disconnect(SceneStringNames::get_singleton()->enter_tree,this,SceneStringNames::get_singleton()->_area_enter_tree); + node->disconnect(SceneStringNames::get_singleton()->exit_tree,this,SceneStringNames::get_singleton()->_area_exit_tree); + } } } @@ -276,8 +418,10 @@ void Area2D::set_enable_monitoring(bool p_enable) { if (monitoring) { Physics2DServer::get_singleton()->area_set_monitor_callback(get_rid(),this,"_body_inout"); + Physics2DServer::get_singleton()->area_set_area_monitor_callback(get_rid(),this,"_area_inout"); } else { Physics2DServer::get_singleton()->area_set_monitor_callback(get_rid(),NULL,StringName()); + Physics2DServer::get_singleton()->area_set_area_monitor_callback(get_rid(),NULL,StringName()); _clear_monitoring(); } @@ -288,6 +432,26 @@ bool Area2D::is_monitoring_enabled() const { return monitoring; } +void Area2D::set_monitorable(bool p_enable) { + + if (locked) { + ERR_EXPLAIN("This function can't be used during the in/out signal."); + } + ERR_FAIL_COND(locked); + + if (p_enable==monitorable) + return; + + monitorable=p_enable; + + Physics2DServer::get_singleton()->area_set_monitorable(get_rid(),monitorable); +} + +bool Area2D::is_monitorable() const { + + return monitorable; +} + Array Area2D::get_overlapping_bodies() const { ERR_FAIL_COND_V(!monitoring,Array()); @@ -307,12 +471,33 @@ Array Area2D::get_overlapping_bodies() const { return ret; } +Array Area2D::get_overlapping_areas() const { + + ERR_FAIL_COND_V(!monitoring,Array()); + Array ret; + ret.resize(area_map.size()); + int idx=0; + for (const Map::Element *E=area_map.front();E;E=E->next()) { + Object *obj = ObjectDB::get_instance(E->key()); + if (!obj) { + ret.resize( ret.size() -1 ); //ops + } else { + ret[idx++]=obj; + } + + } + + return ret; +} void Area2D::_bind_methods() { ObjectTypeDB::bind_method(_MD("_body_enter_tree","id"),&Area2D::_body_enter_tree); ObjectTypeDB::bind_method(_MD("_body_exit_tree","id"),&Area2D::_body_exit_tree); + ObjectTypeDB::bind_method(_MD("_area_enter_tree","id"),&Area2D::_area_enter_tree); + ObjectTypeDB::bind_method(_MD("_area_exit_tree","id"),&Area2D::_area_exit_tree); + ObjectTypeDB::bind_method(_MD("set_space_override_mode","enable"),&Area2D::set_space_override_mode); ObjectTypeDB::bind_method(_MD("get_space_override_mode"),&Area2D::get_space_override_mode); @@ -337,15 +522,26 @@ void Area2D::_bind_methods() { ObjectTypeDB::bind_method(_MD("set_enable_monitoring","enable"),&Area2D::set_enable_monitoring); ObjectTypeDB::bind_method(_MD("is_monitoring_enabled"),&Area2D::is_monitoring_enabled); + ObjectTypeDB::bind_method(_MD("set_monitorable","enable"),&Area2D::set_monitorable); + ObjectTypeDB::bind_method(_MD("is_monitorable"),&Area2D::is_monitorable); + ObjectTypeDB::bind_method(_MD("get_overlapping_bodies"),&Area2D::get_overlapping_bodies); + ObjectTypeDB::bind_method(_MD("get_overlapping_areas"),&Area2D::get_overlapping_areas); ObjectTypeDB::bind_method(_MD("_body_inout"),&Area2D::_body_inout); + ObjectTypeDB::bind_method(_MD("_area_inout"),&Area2D::_area_inout); + + + ADD_SIGNAL( MethodInfo("body_enter_shape",PropertyInfo(Variant::INT,"body_id"),PropertyInfo(Variant::OBJECT,"body",PROPERTY_HINT_RESOURCE_TYPE,"PhysicsBody2D"),PropertyInfo(Variant::INT,"body_shape"),PropertyInfo(Variant::INT,"area_shape"))); + ADD_SIGNAL( MethodInfo("body_exit_shape",PropertyInfo(Variant::INT,"body_id"),PropertyInfo(Variant::OBJECT,"body",PROPERTY_HINT_RESOURCE_TYPE,"PhysicsBody2D"),PropertyInfo(Variant::INT,"body_shape"),PropertyInfo(Variant::INT,"area_shape"))); + ADD_SIGNAL( MethodInfo("body_enter:",PropertyInfo(Variant::OBJECT,"body",PROPERTY_HINT_RESOURCE_TYPE,"PhysicsBody2D"))); + ADD_SIGNAL( MethodInfo("body_exit",PropertyInfo(Variant::OBJECT,"body",PROPERTY_HINT_RESOURCE_TYPE,"PhysicsBody2D"))); + ADD_SIGNAL( MethodInfo("area_enter_shape",PropertyInfo(Variant::INT,"area_id"),PropertyInfo(Variant::OBJECT,"area",PROPERTY_HINT_RESOURCE_TYPE,"Area2D"),PropertyInfo(Variant::INT,"area_shape"),PropertyInfo(Variant::INT,"area_shape"))); + ADD_SIGNAL( MethodInfo("area_exit_shape",PropertyInfo(Variant::INT,"area_id"),PropertyInfo(Variant::OBJECT,"area",PROPERTY_HINT_RESOURCE_TYPE,"Area2D"),PropertyInfo(Variant::INT,"area_shape"),PropertyInfo(Variant::INT,"area_shape"))); + ADD_SIGNAL( MethodInfo("area_enter",PropertyInfo(Variant::OBJECT,"area",PROPERTY_HINT_RESOURCE_TYPE,"Area2D"))); + ADD_SIGNAL( MethodInfo("area_exit",PropertyInfo(Variant::OBJECT,"area",PROPERTY_HINT_RESOURCE_TYPE,"Area2D"))); - ADD_SIGNAL( MethodInfo("body_enter_shape",PropertyInfo(Variant::INT,"body_id"),PropertyInfo(Variant::OBJECT,"body"),PropertyInfo(Variant::INT,"body_shape"),PropertyInfo(Variant::INT,"area_shape"))); - ADD_SIGNAL( MethodInfo("body_exit_shape",PropertyInfo(Variant::INT,"body_id"),PropertyInfo(Variant::OBJECT,"body"),PropertyInfo(Variant::INT,"body_shape"),PropertyInfo(Variant::INT,"area_shape"))); - ADD_SIGNAL( MethodInfo("body_enter",PropertyInfo(Variant::OBJECT,"body"))); - ADD_SIGNAL( MethodInfo("body_exit",PropertyInfo(Variant::OBJECT,"body"))); ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"space_override",PROPERTY_HINT_ENUM,"Disabled,Combine,Replace"),_SCS("set_space_override_mode"),_SCS("get_space_override_mode")); ADD_PROPERTY( PropertyInfo(Variant::BOOL,"gravity_point"),_SCS("set_gravity_is_point"),_SCS("is_gravity_a_point")); @@ -355,6 +551,7 @@ void Area2D::_bind_methods() { ADD_PROPERTY( PropertyInfo(Variant::REAL,"angular_damp",PROPERTY_HINT_RANGE,"0,1024,0.001"),_SCS("set_angular_damp"),_SCS("get_angular_damp")); ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"priority",PROPERTY_HINT_RANGE,"0,128,1"),_SCS("set_priority"),_SCS("get_priority")); ADD_PROPERTY( PropertyInfo(Variant::BOOL,"monitoring"),_SCS("set_enable_monitoring"),_SCS("is_monitoring_enabled")); + ADD_PROPERTY( PropertyInfo(Variant::BOOL,"monitorable"),_SCS("set_monitorable"),_SCS("is_monitorable")); } @@ -369,7 +566,9 @@ Area2D::Area2D() : CollisionObject2D(Physics2DServer::get_singleton()->area_crea locked=false; priority=0; monitoring=false; + monitorable=false; set_enable_monitoring(true); + set_monitorable(true); } diff --git a/scene/2d/area_2d.h b/scene/2d/area_2d.h index f770e88a19..bd00f56ae1 100644 --- a/scene/2d/area_2d.h +++ b/scene/2d/area_2d.h @@ -53,6 +53,7 @@ private: real_t angular_damp; int priority; bool monitoring; + bool monitorable; bool locked; void _body_inout(int p_status,const RID& p_body, int p_instance, int p_body_shape,int p_area_shape); @@ -84,6 +85,36 @@ private: Map body_map; + + + void _area_inout(int p_status,const RID& p_area, int p_instance, int p_area_shape,int p_self_shape); + + void _area_enter_tree(ObjectID p_id); + void _area_exit_tree(ObjectID p_id); + + struct AreaShapePair { + + int area_shape; + int self_shape; + bool operator<(const AreaShapePair& p_sp) const { + if (area_shape==p_sp.area_shape) + return self_shape < p_sp.self_shape; + else + return area_shape < p_sp.area_shape; + } + + AreaShapePair() {} + AreaShapePair(int p_bs, int p_as) { area_shape=p_bs; self_shape=p_as; } + }; + + struct AreaState { + + int rc; + bool in_tree; + VSet shapes; + }; + + Map area_map; void _clear_monitoring(); @@ -117,7 +148,11 @@ public: void set_enable_monitoring(bool p_enable); bool is_monitoring_enabled() const; + void set_monitorable(bool p_enable); + bool is_monitorable() const; + Array get_overlapping_bodies() const; //function for script + Array get_overlapping_areas() const; //function for script Area2D(); -- cgit v1.2.3