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/*************************************************************************/
/* collision_shape_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "collision_shape_2d.h"
# include "collision_object_2d.h"
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# include "core/config/engine.h"
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# include "scene/2d/area_2d.h"
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# include "scene/resources/shapes_2d/capsule_shape_2d.h"
# include "scene/resources/shapes_2d/circle_shape_2d.h"
# include "scene/resources/shapes_2d/concave_polygon_shape_2d.h"
# include "scene/resources/shapes_2d/convex_polygon_shape_2d.h"
# include "scene/resources/shapes_2d/line_shape_2d.h"
# include "scene/resources/shapes_2d/rectangle_shape_2d.h"
# include "scene/resources/shapes_2d/segment_shape_2d.h"
# include "scene/resources/shapes_2d/shape_2d.h"
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void CollisionShape2D : : _shape_changed ( ) {
update ( ) ;
}
void CollisionShape2D : : _update_in_shape_owner ( bool p_xform_only ) {
parent - > shape_owner_set_transform ( owner_id , get_transform ( ) ) ;
if ( p_xform_only ) {
return ;
}
parent - > shape_owner_set_disabled ( owner_id , disabled ) ;
parent - > shape_owner_set_one_way_collision ( owner_id , one_way_collision ) ;
parent - > shape_owner_set_one_way_collision_margin ( owner_id , one_way_collision_margin ) ;
}
void CollisionShape2D : : _notification ( int p_what ) {
switch ( p_what ) {
case NOTIFICATION_PARENTED : {
parent = Object : : cast_to < CollisionObject2D > ( get_parent ( ) ) ;
if ( parent ) {
owner_id = parent - > create_shape_owner ( this ) ;
if ( shape . is_valid ( ) ) {
parent - > shape_owner_add_shape ( owner_id , shape ) ;
}
_update_in_shape_owner ( ) ;
}
/*if (Engine::get_singleton()->is_editor_hint()) {
//display above all else
set_z_as_relative ( false ) ;
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set_z_index ( RS : : CANVAS_ITEM_Z_MAX - 1 ) ;
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} */
} break ;
case NOTIFICATION_ENTER_TREE : {
if ( parent ) {
_update_in_shape_owner ( ) ;
}
} break ;
case NOTIFICATION_LOCAL_TRANSFORM_CHANGED : {
if ( parent ) {
_update_in_shape_owner ( true ) ;
}
} break ;
case NOTIFICATION_UNPARENTED : {
if ( parent ) {
parent - > remove_shape_owner ( owner_id ) ;
}
owner_id = 0 ;
parent = nullptr ;
} break ;
case NOTIFICATION_DRAW : {
ERR_FAIL_COND ( ! is_inside_tree ( ) ) ;
if ( ! Engine : : get_singleton ( ) - > is_editor_hint ( ) & & ! get_tree ( ) - > is_debugging_collisions_hint ( ) ) {
break ;
}
if ( ! shape . is_valid ( ) ) {
break ;
}
rect = Rect2 ( ) ;
Color draw_col = get_tree ( ) - > get_debug_collisions_color ( ) ;
if ( disabled ) {
float g = draw_col . get_v ( ) ;
draw_col . r = g ;
draw_col . g = g ;
draw_col . b = g ;
draw_col . a * = 0.5 ;
}
shape - > draw ( get_canvas_item ( ) , draw_col ) ;
rect = shape - > get_rect ( ) ;
rect = rect . grow ( 3 ) ;
if ( one_way_collision ) {
// Draw an arrow indicating the one-way collision direction
draw_col = get_tree ( ) - > get_debug_collisions_color ( ) . inverted ( ) ;
if ( disabled ) {
draw_col = draw_col . darkened ( 0.25 ) ;
}
Vector2 line_to ( 0 , 20 ) ;
draw_line ( Vector2 ( ) , line_to , draw_col , 2 , true ) ;
Vector < Vector2 > pts ;
float tsize = 8 ;
pts . push_back ( line_to + ( Vector2 ( 0 , tsize ) ) ) ;
pts . push_back ( line_to + ( Vector2 ( Math_SQRT12 * tsize , 0 ) ) ) ;
pts . push_back ( line_to + ( Vector2 ( - Math_SQRT12 * tsize , 0 ) ) ) ;
Vector < Color > cols ;
for ( int i = 0 ; i < 3 ; i + + ) {
cols . push_back ( draw_col ) ;
}
draw_primitive ( pts , cols , Vector < Vector2 > ( ) ) ;
}
} break ;
}
}
void CollisionShape2D : : set_shape ( const Ref < Shape2D > & p_shape ) {
if ( p_shape = = shape ) {
return ;
}
if ( shape . is_valid ( ) ) {
shape - > disconnect ( " changed " , this , " _shape_changed " ) ;
}
shape = p_shape ;
update ( ) ;
if ( parent ) {
parent - > shape_owner_clear_shapes ( owner_id ) ;
if ( shape . is_valid ( ) ) {
parent - > shape_owner_add_shape ( owner_id , shape ) ;
}
_update_in_shape_owner ( ) ;
}
if ( shape . is_valid ( ) ) {
shape - > connect ( " changed " , this , " _shape_changed " ) ;
}
update_configuration_warning ( ) ;
}
Ref < Shape2D > CollisionShape2D : : get_shape ( ) const {
return shape ;
}
bool CollisionShape2D : : _edit_is_selected_on_click ( const Point2 & p_point , double p_tolerance ) const {
if ( ! shape . is_valid ( ) ) {
return false ;
}
return shape - > _edit_is_selected_on_click ( p_point , p_tolerance ) ;
}
String CollisionShape2D : : get_configuration_warning ( ) const {
String warning = Node2D : : get_configuration_warning ( ) ;
if ( ! Object : : cast_to < CollisionObject2D > ( get_parent ( ) ) ) {
if ( warning ! = String ( ) ) {
warning + = " \n \n " ;
}
warning + = TTR ( " CollisionShape2D only serves to provide a collision shape to a CollisionObject2D derived node. Please only use it as a child of Area2D, StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape. " ) ;
}
if ( ! shape . is_valid ( ) ) {
if ( warning ! = String ( ) ) {
warning + = " \n \n " ;
}
warning + = TTR ( " A shape must be provided for CollisionShape2D to function. Please create a shape resource for it! " ) ;
} else {
Ref < ConvexPolygonShape2D > convex = shape ;
Ref < ConcavePolygonShape2D > concave = shape ;
if ( convex . is_valid ( ) | | concave . is_valid ( ) ) {
if ( warning ! = String ( ) ) {
warning + = " \n \n " ;
}
warning + = TTR ( " Polygon-based shapes are not meant be used nor edited directly through the CollisionShape2D node. Please use the CollisionPolygon2D node instead. " ) ;
}
}
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if ( one_way_collision & & Object : : cast_to < Area2D > ( get_parent ( ) ) ) {
warning + = TTR ( " The One Way Collision property will be ignored when the parent is an Area2D. " ) ;
}
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return warning ;
}
void CollisionShape2D : : set_disabled ( bool p_disabled ) {
disabled = p_disabled ;
update ( ) ;
if ( parent ) {
parent - > shape_owner_set_disabled ( owner_id , p_disabled ) ;
}
}
bool CollisionShape2D : : is_disabled ( ) const {
return disabled ;
}
void CollisionShape2D : : set_one_way_collision ( bool p_enable ) {
one_way_collision = p_enable ;
update ( ) ;
if ( parent ) {
parent - > shape_owner_set_one_way_collision ( owner_id , p_enable ) ;
}
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update_configuration_warning ( ) ;
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}
bool CollisionShape2D : : is_one_way_collision_enabled ( ) const {
return one_way_collision ;
}
void CollisionShape2D : : set_one_way_collision_margin ( float p_margin ) {
one_way_collision_margin = p_margin ;
if ( parent ) {
parent - > shape_owner_set_one_way_collision_margin ( owner_id , one_way_collision_margin ) ;
}
}
float CollisionShape2D : : get_one_way_collision_margin ( ) const {
return one_way_collision_margin ;
}
void CollisionShape2D : : _bind_methods ( ) {
ClassDB : : bind_method ( D_METHOD ( " set_shape " , " shape " ) , & CollisionShape2D : : set_shape ) ;
ClassDB : : bind_method ( D_METHOD ( " get_shape " ) , & CollisionShape2D : : get_shape ) ;
ClassDB : : bind_method ( D_METHOD ( " set_disabled " , " disabled " ) , & CollisionShape2D : : set_disabled ) ;
ClassDB : : bind_method ( D_METHOD ( " is_disabled " ) , & CollisionShape2D : : is_disabled ) ;
ClassDB : : bind_method ( D_METHOD ( " set_one_way_collision " , " enabled " ) , & CollisionShape2D : : set_one_way_collision ) ;
ClassDB : : bind_method ( D_METHOD ( " is_one_way_collision_enabled " ) , & CollisionShape2D : : is_one_way_collision_enabled ) ;
ClassDB : : bind_method ( D_METHOD ( " set_one_way_collision_margin " , " margin " ) , & CollisionShape2D : : set_one_way_collision_margin ) ;
ClassDB : : bind_method ( D_METHOD ( " get_one_way_collision_margin " ) , & CollisionShape2D : : get_one_way_collision_margin ) ;
ClassDB : : bind_method ( D_METHOD ( " _shape_changed " ) , & CollisionShape2D : : _shape_changed ) ;
ADD_PROPERTY ( PropertyInfo ( Variant : : OBJECT , " shape " , PROPERTY_HINT_RESOURCE_TYPE , " Shape2D " ) , " set_shape " , " get_shape " ) ;
ADD_PROPERTY ( PropertyInfo ( Variant : : BOOL , " disabled " ) , " set_disabled " , " is_disabled " ) ;
ADD_PROPERTY ( PropertyInfo ( Variant : : BOOL , " one_way_collision " ) , " set_one_way_collision " , " is_one_way_collision_enabled " ) ;
ADD_PROPERTY ( PropertyInfo ( Variant : : REAL , " one_way_collision_margin " , PROPERTY_HINT_RANGE , " 0,128,0.1 " ) , " set_one_way_collision_margin " , " get_one_way_collision_margin " ) ;
}
CollisionShape2D : : CollisionShape2D ( ) {
rect = Rect2 ( - Point2 ( 10 , 10 ) , Point2 ( 20 , 20 ) ) ;
set_notify_local_transform ( true ) ;
owner_id = 0 ;
parent = nullptr ;
disabled = false ;
one_way_collision = false ;
one_way_collision_margin = 1.0 ;
}