/*************************************************************************/ /* area_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "area_2d.h" #include "scene/scene_string_names.h" #include "servers/physics_2d_server.h" void Area2D::set_space_override_mode(SpaceOverride p_mode) { space_override=p_mode; Physics2DServer::get_singleton()->area_set_space_override_mode(get_rid(),Physics2DServer::AreaSpaceOverrideMode(p_mode)); } Area2D::SpaceOverride Area2D::get_space_override_mode() const{ return space_override; } void Area2D::set_gravity_is_point(bool p_enabled){ gravity_is_point=p_enabled; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_GRAVITY_IS_POINT,p_enabled); } bool Area2D::is_gravity_a_point() const{ return gravity_is_point; } void Area2D::set_gravity_distance_scale(real_t p_scale){ gravity_distance_scale=p_scale; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_GRAVITY_DISTANCE_SCALE,p_scale); } real_t Area2D::get_gravity_distance_scale() const{ return gravity_distance_scale; } void Area2D::set_gravity_vector(const Vector2& p_vec){ gravity_vec=p_vec; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_GRAVITY_VECTOR,p_vec); } Vector2 Area2D::get_gravity_vector() const{ return gravity_vec; } void Area2D::set_gravity(real_t p_gravity){ gravity=p_gravity; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_GRAVITY,p_gravity); } real_t Area2D::get_gravity() const{ return gravity; } void Area2D::set_linear_damp(real_t p_linear_damp){ linear_damp=p_linear_damp; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_LINEAR_DAMP,p_linear_damp); } real_t Area2D::get_linear_damp() const{ return linear_damp; } void Area2D::set_angular_damp(real_t p_angular_damp){ angular_damp=p_angular_damp; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_ANGULAR_DAMP,p_angular_damp); } real_t Area2D::get_angular_damp() const{ return angular_damp; } void Area2D::set_priority(real_t p_priority){ priority=p_priority; Physics2DServer::get_singleton()->area_set_param(get_rid(),Physics2DServer::AREA_PARAM_PRIORITY,p_priority); } real_t Area2D::get_priority() const{ return priority; } void Area2D::_body_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=body_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()->body_entered,node); for(int i=0;iget().shapes.size();i++) { emit_signal(SceneStringNames::get_singleton()->body_shape_entered,p_id,node,E->get().shapes[i].body_shape,E->get().shapes[i].area_shape); } } void Area2D::_body_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=body_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()->body_exited,node); for(int i=0;iget().shapes.size();i++) { emit_signal(SceneStringNames::get_singleton()->body_shape_exited,p_id,node,E->get().shapes[i].body_shape,E->get().shapes[i].area_shape); } } void Area2D::_body_inout(int p_status,const RID& p_body, int p_instance, int p_body_shape,int p_area_shape) { bool body_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=body_map.find(objid); ERR_FAIL_COND(!body_in && !E); locked=true; if (body_in) { if (!E) { E = body_map.insert(objid,BodyState()); E->get().rc=0; E->get().in_tree=node && node->is_inside_tree(); if (node) { node->connect(SceneStringNames::get_singleton()->tree_entered,this,SceneStringNames::get_singleton()->_body_enter_tree,make_binds(objid)); node->connect(SceneStringNames::get_singleton()->tree_exited,this,SceneStringNames::get_singleton()->_body_exit_tree,make_binds(objid)); if (E->get().in_tree) { emit_signal(SceneStringNames::get_singleton()->body_entered,node); } } } E->get().rc++; if (node) E->get().shapes.insert(ShapePair(p_body_shape,p_area_shape)); if (!node || E->get().in_tree) { emit_signal(SceneStringNames::get_singleton()->body_shape_entered,objid,node,p_body_shape,p_area_shape); } } else { E->get().rc--; if (node) E->get().shapes.erase(ShapePair(p_body_shape,p_area_shape)); bool eraseit=false; if (E->get().rc==0) { if (node) { node->disconnect(SceneStringNames::get_singleton()->tree_entered,this,SceneStringNames::get_singleton()->_body_enter_tree); node->disconnect(SceneStringNames::get_singleton()->tree_exited,this,SceneStringNames::get_singleton()->_body_exit_tree); if (E->get().in_tree) emit_signal(SceneStringNames::get_singleton()->body_exited,obj); } eraseit=true; } if (!node || E->get().in_tree) { emit_signal(SceneStringNames::get_singleton()->body_shape_exited,objid,obj,p_body_shape,p_area_shape); } if (eraseit) body_map.erase(E); } locked=false; } 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_entered,node); for(int i=0;iget().shapes.size();i++) { emit_signal(SceneStringNames::get_singleton()->area_shape_entered,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_exited,node); for(int i=0;iget().shapes.size();i++) { emit_signal(SceneStringNames::get_singleton()->area_shape_exited,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()->tree_entered,this,SceneStringNames::get_singleton()->_area_enter_tree,make_binds(objid)); node->connect(SceneStringNames::get_singleton()->tree_exited,this,SceneStringNames::get_singleton()->_area_exit_tree,make_binds(objid)); if (E->get().in_tree) { emit_signal(SceneStringNames::get_singleton()->area_entered,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_shape_entered,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()->tree_entered,this,SceneStringNames::get_singleton()->_area_enter_tree); node->disconnect(SceneStringNames::get_singleton()->tree_exited,this,SceneStringNames::get_singleton()->_area_exit_tree); if (E->get().in_tree) emit_signal(SceneStringNames::get_singleton()->area_exited,obj); } eraseit=true; } if (!node || E->get().in_tree) { emit_signal(SceneStringNames::get_singleton()->area_shape_exited,objid,obj,p_area_shape,p_self_shape); } if (eraseit) area_map.erase(E); } locked=false; } void Area2D::_clear_monitoring() { if (locked) { ERR_EXPLAIN("This function can't be used during the in/out signal."); } ERR_FAIL_COND(locked); { Map bmcopy = body_map; body_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()->body_shape_exited,E->key(),node,E->get().shapes[i].body_shape,E->get().shapes[i].area_shape); } emit_signal(SceneStringNames::get_singleton()->body_exited,obj); node->disconnect(SceneStringNames::get_singleton()->tree_entered,this,SceneStringNames::get_singleton()->_body_enter_tree); node->disconnect(SceneStringNames::get_singleton()->tree_exited,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; if (!node) //node may have been deleted in previous frame, this should not be an error continue; //ERR_CONTINUE(!node); if (!E->get().in_tree) continue; for(int i=0;iget().shapes.size();i++) { emit_signal(SceneStringNames::get_singleton()->area_shape_exited,E->key(),node,E->get().shapes[i].area_shape,E->get().shapes[i].self_shape); } emit_signal(SceneStringNames::get_singleton()->area_exited,obj); node->disconnect(SceneStringNames::get_singleton()->tree_entered,this,SceneStringNames::get_singleton()->_area_enter_tree); node->disconnect(SceneStringNames::get_singleton()->tree_exited,this,SceneStringNames::get_singleton()->_area_exit_tree); } } } void Area2D::_notification(int p_what) { switch(p_what) { case NOTIFICATION_EXIT_TREE: { _clear_monitoring(); } break; } } void Area2D::set_enable_monitoring(bool p_enable) { if (p_enable==monitoring) return; if (locked) { ERR_EXPLAIN("Function blocked during in/out signal. Use call_deferred(\"set_enable_monitoring\",true/false)"); } ERR_FAIL_COND(locked); monitoring=p_enable; if (monitoring) { Physics2DServer::get_singleton()->area_set_monitor_callback(get_rid(),this,SceneStringNames::get_singleton()->_body_inout); Physics2DServer::get_singleton()->area_set_area_monitor_callback(get_rid(),this,SceneStringNames::get_singleton()->_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(); } } 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()); Array ret; ret.resize(body_map.size()); int idx=0; for (const Map::Element *E=body_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; } 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; } bool Area2D::overlaps_area(Node* p_area) const { ERR_FAIL_NULL_V(p_area,false); const Map::Element *E=area_map.find(p_area->get_instance_ID()); if (!E) return false; return E->get().in_tree; } bool Area2D::overlaps_body(Node* p_body) const{ ERR_FAIL_NULL_V(p_body,false); const Map::Element *E=body_map.find(p_body->get_instance_ID()); if (!E) return false; return E->get().in_tree; } void Area2D::set_collision_mask(uint32_t p_mask) { collision_mask=p_mask; Physics2DServer::get_singleton()->area_set_collision_mask(get_rid(),p_mask); } uint32_t Area2D::get_collision_mask() const { return collision_mask; } void Area2D::set_layer_mask(uint32_t p_mask) { layer_mask=p_mask; Physics2DServer::get_singleton()->area_set_layer_mask(get_rid(),p_mask); } uint32_t Area2D::get_layer_mask() const { return layer_mask; } void Area2D::set_collision_mask_bit(int p_bit, bool p_value) { uint32_t mask = get_collision_mask(); if (p_value) mask|=1<area_create(),true) { space_override=SPACE_OVERRIDE_DISABLED; set_gravity(98);; set_gravity_vector(Vector2(0,1)); gravity_is_point=false; gravity_distance_scale=0; linear_damp=0.1; angular_damp=1; locked=false; priority=0; monitoring=false; monitorable=false; collision_mask=1; layer_mask=1; set_enable_monitoring(true); set_monitorable(true); } Area2D::~Area2D() { }