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/*************************************************************************/
/* collision_object_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/*************************************************************************/
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# include "collision_object_2d.h"
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# include "scene/scene_string_names.h"
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# include "servers/physics_server_2d.h"
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void CollisionObject2D : : _notification ( int p_what ) {
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switch ( p_what ) {
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case NOTIFICATION_ENTER_TREE : {
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Transform2D global_transform = get_global_transform ( ) ;
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_transform ( rid , global_transform ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_state ( rid , PhysicsServer2D : : BODY_STATE_TRANSFORM , global_transform ) ;
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}
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RID space = get_world_2d ( ) - > get_space ( ) ;
if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_space ( rid , space ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_space ( rid , space ) ;
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}
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_update_pickable ( ) ;
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//get space
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} break ;
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case NOTIFICATION_ENTER_CANVAS : {
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_attach_canvas_instance_id ( rid , get_canvas_layer_instance_id ( ) ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_attach_canvas_instance_id ( rid , get_canvas_layer_instance_id ( ) ) ;
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}
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} break ;
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case NOTIFICATION_VISIBILITY_CHANGED : {
_update_pickable ( ) ;
} break ;
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case NOTIFICATION_TRANSFORM_CHANGED : {
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if ( only_update_transform_changes ) {
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return ;
}
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Transform2D global_transform = get_global_transform ( ) ;
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_transform ( rid , global_transform ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_state ( rid , PhysicsServer2D : : BODY_STATE_TRANSFORM , global_transform ) ;
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}
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} break ;
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case NOTIFICATION_EXIT_TREE : {
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_space ( rid , RID ( ) ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_space ( rid , RID ( ) ) ;
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}
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} break ;
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case NOTIFICATION_EXIT_CANVAS : {
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_attach_canvas_instance_id ( rid , ObjectID ( ) ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_attach_canvas_instance_id ( rid , ObjectID ( ) ) ;
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}
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} break ;
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}
}
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uint32_t CollisionObject2D : : create_shape_owner ( Object * p_owner ) {
ShapeData sd ;
uint32_t id ;
if ( shapes . size ( ) = = 0 ) {
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id = 0 ;
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} else {
id = shapes . back ( ) - > key ( ) + 1 ;
}
sd . owner = p_owner ;
shapes [ id ] = sd ;
return id ;
}
void CollisionObject2D : : remove_shape_owner ( uint32_t owner ) {
ERR_FAIL_COND ( ! shapes . has ( owner ) ) ;
shape_owner_clear_shapes ( owner ) ;
shapes . erase ( owner ) ;
}
void CollisionObject2D : : shape_owner_set_disabled ( uint32_t p_owner , bool p_disabled ) {
ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ShapeData & sd = shapes [ p_owner ] ;
sd . disabled = p_disabled ;
for ( int i = 0 ; i < sd . shapes . size ( ) ; i + + ) {
if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_shape_disabled ( rid , sd . shapes [ i ] . index , p_disabled ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_shape_disabled ( rid , sd . shapes [ i ] . index , p_disabled ) ;
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}
}
}
bool CollisionObject2D : : is_shape_owner_disabled ( uint32_t p_owner ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , false ) ;
return shapes [ p_owner ] . disabled ;
}
void CollisionObject2D : : shape_owner_set_one_way_collision ( uint32_t p_owner , bool p_enable ) {
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if ( area ) {
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return ; //not for areas
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}
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ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ShapeData & sd = shapes [ p_owner ] ;
sd . one_way_collision = p_enable ;
for ( int i = 0 ; i < sd . shapes . size ( ) ; i + + ) {
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PhysicsServer2D : : get_singleton ( ) - > body_set_shape_as_one_way_collision ( rid , sd . shapes [ i ] . index , sd . one_way_collision , sd . one_way_collision_margin ) ;
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}
}
bool CollisionObject2D : : is_shape_owner_one_way_collision_enabled ( uint32_t p_owner ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , false ) ;
return shapes [ p_owner ] . one_way_collision ;
}
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void CollisionObject2D : : shape_owner_set_one_way_collision_margin ( uint32_t p_owner , float p_margin ) {
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if ( area ) {
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return ; //not for areas
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}
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ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ShapeData & sd = shapes [ p_owner ] ;
sd . one_way_collision_margin = p_margin ;
for ( int i = 0 ; i < sd . shapes . size ( ) ; i + + ) {
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PhysicsServer2D : : get_singleton ( ) - > body_set_shape_as_one_way_collision ( rid , sd . shapes [ i ] . index , sd . one_way_collision , sd . one_way_collision_margin ) ;
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}
}
float CollisionObject2D : : get_shape_owner_one_way_collision_margin ( uint32_t p_owner ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , 0 ) ;
return shapes [ p_owner ] . one_way_collision_margin ;
}
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void CollisionObject2D : : get_shape_owners ( List < uint32_t > * r_owners ) {
for ( Map < uint32_t , ShapeData > : : Element * E = shapes . front ( ) ; E ; E = E - > next ( ) ) {
r_owners - > push_back ( E - > key ( ) ) ;
}
}
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Array CollisionObject2D : : _get_shape_owners ( ) {
Array ret ;
for ( Map < uint32_t , ShapeData > : : Element * E = shapes . front ( ) ; E ; E = E - > next ( ) ) {
ret . push_back ( E - > key ( ) ) ;
}
return ret ;
}
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void CollisionObject2D : : shape_owner_set_transform ( uint32_t p_owner , const Transform2D & p_transform ) {
ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ShapeData & sd = shapes [ p_owner ] ;
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sd . xform = p_transform ;
for ( int i = 0 ; i < sd . shapes . size ( ) ; i + + ) {
if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_shape_transform ( rid , sd . shapes [ i ] . index , sd . xform ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_shape_transform ( rid , sd . shapes [ i ] . index , sd . xform ) ;
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}
}
}
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Transform2D CollisionObject2D : : shape_owner_get_transform ( uint32_t p_owner ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , Transform2D ( ) ) ;
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return shapes [ p_owner ] . xform ;
}
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Object * CollisionObject2D : : shape_owner_get_owner ( uint32_t p_owner ) const {
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ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , nullptr ) ;
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return shapes [ p_owner ] . owner ;
}
void CollisionObject2D : : shape_owner_add_shape ( uint32_t p_owner , const Ref < Shape2D > & p_shape ) {
ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ERR_FAIL_COND ( p_shape . is_null ( ) ) ;
ShapeData & sd = shapes [ p_owner ] ;
ShapeData : : Shape s ;
s . index = total_subshapes ;
s . shape = p_shape ;
if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_add_shape ( rid , p_shape - > get_rid ( ) , sd . xform , sd . disabled ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_add_shape ( rid , p_shape - > get_rid ( ) , sd . xform , sd . disabled ) ;
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}
sd . shapes . push_back ( s ) ;
total_subshapes + + ;
}
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int CollisionObject2D : : shape_owner_get_shape_count ( uint32_t p_owner ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , 0 ) ;
return shapes [ p_owner ] . shapes . size ( ) ;
}
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Ref < Shape2D > CollisionObject2D : : shape_owner_get_shape ( uint32_t p_owner , int p_shape ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , Ref < Shape2D > ( ) ) ;
ERR_FAIL_INDEX_V ( p_shape , shapes [ p_owner ] . shapes . size ( ) , Ref < Shape2D > ( ) ) ;
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return shapes [ p_owner ] . shapes [ p_shape ] . shape ;
}
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int CollisionObject2D : : shape_owner_get_shape_index ( uint32_t p_owner , int p_shape ) const {
ERR_FAIL_COND_V ( ! shapes . has ( p_owner ) , - 1 ) ;
ERR_FAIL_INDEX_V ( p_shape , shapes [ p_owner ] . shapes . size ( ) , - 1 ) ;
return shapes [ p_owner ] . shapes [ p_shape ] . index ;
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}
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void CollisionObject2D : : shape_owner_remove_shape ( uint32_t p_owner , int p_shape ) {
ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
ERR_FAIL_INDEX ( p_shape , shapes [ p_owner ] . shapes . size ( ) ) ;
int index_to_remove = shapes [ p_owner ] . shapes [ p_shape ] . index ;
if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_remove_shape ( rid , index_to_remove ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_remove_shape ( rid , index_to_remove ) ;
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}
shapes [ p_owner ] . shapes . remove ( p_shape ) ;
for ( Map < uint32_t , ShapeData > : : Element * E = shapes . front ( ) ; E ; E = E - > next ( ) ) {
for ( int i = 0 ; i < E - > get ( ) . shapes . size ( ) ; i + + ) {
if ( E - > get ( ) . shapes [ i ] . index > index_to_remove ) {
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E - > get ( ) . shapes . write [ i ] . index - = 1 ;
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}
}
}
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total_subshapes - - ;
}
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void CollisionObject2D : : shape_owner_clear_shapes ( uint32_t p_owner ) {
ERR_FAIL_COND ( ! shapes . has ( p_owner ) ) ;
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while ( shape_owner_get_shape_count ( p_owner ) > 0 ) {
shape_owner_remove_shape ( p_owner , 0 ) ;
}
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}
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uint32_t CollisionObject2D : : shape_find_owner ( int p_shape_index ) const {
ERR_FAIL_INDEX_V ( p_shape_index , total_subshapes , 0 ) ;
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for ( const Map < uint32_t , ShapeData > : : Element * E = shapes . front ( ) ; E ; E = E - > next ( ) ) {
for ( int i = 0 ; i < E - > get ( ) . shapes . size ( ) ; i + + ) {
if ( E - > get ( ) . shapes [ i ] . index = = p_shape_index ) {
return E - > key ( ) ;
}
}
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}
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//in theory it should be unreachable
return 0 ;
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}
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void CollisionObject2D : : set_pickable ( bool p_enabled ) {
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if ( pickable = = p_enabled ) {
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return ;
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}
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pickable = p_enabled ;
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_update_pickable ( ) ;
}
bool CollisionObject2D : : is_pickable ( ) const {
return pickable ;
}
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void CollisionObject2D : : _input_event ( Node * p_viewport , const Ref < InputEvent > & p_input_event , int p_shape ) {
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if ( get_script_instance ( ) ) {
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get_script_instance ( ) - > call ( SceneStringNames : : get_singleton ( ) - > _input_event , p_viewport , p_input_event , p_shape ) ;
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}
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emit_signal ( SceneStringNames : : get_singleton ( ) - > input_event , p_viewport , p_input_event , p_shape ) ;
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}
void CollisionObject2D : : _mouse_enter ( ) {
if ( get_script_instance ( ) ) {
get_script_instance ( ) - > call ( SceneStringNames : : get_singleton ( ) - > _mouse_enter ) ;
}
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emit_signal ( SceneStringNames : : get_singleton ( ) - > mouse_entered ) ;
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}
void CollisionObject2D : : _mouse_exit ( ) {
if ( get_script_instance ( ) ) {
get_script_instance ( ) - > call ( SceneStringNames : : get_singleton ( ) - > _mouse_exit ) ;
}
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emit_signal ( SceneStringNames : : get_singleton ( ) - > mouse_exited ) ;
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}
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void CollisionObject2D : : set_only_update_transform_changes ( bool p_enable ) {
only_update_transform_changes = p_enable ;
}
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void CollisionObject2D : : _update_pickable ( ) {
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if ( ! is_inside_tree ( ) ) {
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return ;
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}
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bool is_pickable = pickable & & is_visible_in_tree ( ) ;
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if ( area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_set_pickable ( rid , is_pickable ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_set_pickable ( rid , is_pickable ) ;
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}
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}
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String CollisionObject2D : : get_configuration_warning ( ) const {
String warning = Node2D : : get_configuration_warning ( ) ;
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if ( shapes . is_empty ( ) ) {
if ( ! warning . is_empty ( ) ) {
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warning + = " \n \n " ;
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}
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warning + = TTR ( " This node has no shape, so it can't collide or interact with other objects. \n Consider adding a CollisionShape2D or CollisionPolygon2D as a child to define its shape. " ) ;
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}
return warning ;
}
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void CollisionObject2D : : _bind_methods ( ) {
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ClassDB : : bind_method ( D_METHOD ( " get_rid " ) , & CollisionObject2D : : get_rid ) ;
ClassDB : : bind_method ( D_METHOD ( " set_pickable " , " enabled " ) , & CollisionObject2D : : set_pickable ) ;
ClassDB : : bind_method ( D_METHOD ( " is_pickable " ) , & CollisionObject2D : : is_pickable ) ;
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ClassDB : : bind_method ( D_METHOD ( " create_shape_owner " , " owner " ) , & CollisionObject2D : : create_shape_owner ) ;
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ClassDB : : bind_method ( D_METHOD ( " remove_shape_owner " , " owner_id " ) , & CollisionObject2D : : remove_shape_owner ) ;
ClassDB : : bind_method ( D_METHOD ( " get_shape_owners " ) , & CollisionObject2D : : _get_shape_owners ) ;
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ClassDB : : bind_method ( D_METHOD ( " shape_owner_set_transform " , " owner_id " , " transform " ) , & CollisionObject2D : : shape_owner_set_transform ) ;
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ClassDB : : bind_method ( D_METHOD ( " shape_owner_get_transform " , " owner_id " ) , & CollisionObject2D : : shape_owner_get_transform ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_get_owner " , " owner_id " ) , & CollisionObject2D : : shape_owner_get_owner ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_set_disabled " , " owner_id " , " disabled " ) , & CollisionObject2D : : shape_owner_set_disabled ) ;
ClassDB : : bind_method ( D_METHOD ( " is_shape_owner_disabled " , " owner_id " ) , & CollisionObject2D : : is_shape_owner_disabled ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_set_one_way_collision " , " owner_id " , " enable " ) , & CollisionObject2D : : shape_owner_set_one_way_collision ) ;
ClassDB : : bind_method ( D_METHOD ( " is_shape_owner_one_way_collision_enabled " , " owner_id " ) , & CollisionObject2D : : is_shape_owner_one_way_collision_enabled ) ;
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ClassDB : : bind_method ( D_METHOD ( " shape_owner_set_one_way_collision_margin " , " owner_id " , " margin " ) , & CollisionObject2D : : shape_owner_set_one_way_collision_margin ) ;
ClassDB : : bind_method ( D_METHOD ( " get_shape_owner_one_way_collision_margin " , " owner_id " ) , & CollisionObject2D : : get_shape_owner_one_way_collision_margin ) ;
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ClassDB : : bind_method ( D_METHOD ( " shape_owner_add_shape " , " owner_id " , " shape " ) , & CollisionObject2D : : shape_owner_add_shape ) ;
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ClassDB : : bind_method ( D_METHOD ( " shape_owner_get_shape_count " , " owner_id " ) , & CollisionObject2D : : shape_owner_get_shape_count ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_get_shape " , " owner_id " , " shape_id " ) , & CollisionObject2D : : shape_owner_get_shape ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_get_shape_index " , " owner_id " , " shape_id " ) , & CollisionObject2D : : shape_owner_get_shape_index ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_remove_shape " , " owner_id " , " shape_id " ) , & CollisionObject2D : : shape_owner_remove_shape ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_owner_clear_shapes " , " owner_id " ) , & CollisionObject2D : : shape_owner_clear_shapes ) ;
ClassDB : : bind_method ( D_METHOD ( " shape_find_owner " , " shape_index " ) , & CollisionObject2D : : shape_find_owner ) ;
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BIND_VMETHOD ( MethodInfo ( " _input_event " , PropertyInfo ( Variant : : OBJECT , " viewport " ) , PropertyInfo ( Variant : : OBJECT , " event " , PROPERTY_HINT_RESOURCE_TYPE , " InputEvent " ) , PropertyInfo ( Variant : : INT , " shape_idx " ) ) ) ;
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ADD_SIGNAL ( MethodInfo ( " input_event " , PropertyInfo ( Variant : : OBJECT , " viewport " , PROPERTY_HINT_RESOURCE_TYPE , " Node " ) , PropertyInfo ( Variant : : OBJECT , " event " , PROPERTY_HINT_RESOURCE_TYPE , " InputEvent " ) , PropertyInfo ( Variant : : INT , " shape_idx " ) ) ) ;
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ADD_SIGNAL ( MethodInfo ( " mouse_entered " ) ) ;
ADD_SIGNAL ( MethodInfo ( " mouse_exited " ) ) ;
ADD_GROUP ( " Pickable " , " input_ " ) ;
ADD_PROPERTY ( PropertyInfo ( Variant : : BOOL , " input_pickable " ) , " set_pickable " , " is_pickable " ) ;
ADD_GROUP ( " " , " " ) ;
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}
CollisionObject2D : : CollisionObject2D ( RID p_rid , bool p_area ) {
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rid = p_rid ;
area = p_area ;
pickable = true ;
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set_notify_transform ( true ) ;
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total_subshapes = 0 ;
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only_update_transform_changes = false ;
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if ( p_area ) {
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PhysicsServer2D : : get_singleton ( ) - > area_attach_object_instance_id ( rid , get_instance_id ( ) ) ;
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} else {
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PhysicsServer2D : : get_singleton ( ) - > body_attach_object_instance_id ( rid , get_instance_id ( ) ) ;
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}
}
CollisionObject2D : : CollisionObject2D ( ) {
//owner=
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set_notify_transform ( true ) ;
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}
CollisionObject2D : : ~ CollisionObject2D ( ) {
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PhysicsServer2D : : get_singleton ( ) - > free ( rid ) ;
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}