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/*************************************************************************/
/* node_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
/* 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 "node_2d.h"
# include "servers/visual_server.h"
# include "scene/gui/control.h"
# include "scene/main/viewport.h"
# include "message_queue.h"
void Node2D : : edit_set_pivot ( const Point2 & p_pivot ) {
}
Point2 Node2D : : edit_get_pivot ( ) const {
return Point2 ( ) ;
}
bool Node2D : : edit_has_pivot ( ) const {
return false ;
}
Variant Node2D : : edit_get_state ( ) const {
Array state ;
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state . push_back ( get_pos ( ) ) ;
state . push_back ( get_rot ( ) ) ;
state . push_back ( get_scale ( ) ) ;
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return state ;
}
void Node2D : : edit_set_state ( const Variant & p_state ) {
Array state = p_state ;
ERR_FAIL_COND ( state . size ( ) ! = 3 ) ;
pos = state [ 0 ] ;
angle = state [ 1 ] ;
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_scale = state [ 2 ] ;
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_update_transform ( ) ;
_change_notify ( " transform/rot " ) ;
_change_notify ( " transform/scale " ) ;
_change_notify ( " transform/pos " ) ;
}
void Node2D : : edit_set_rect ( const Rect2 & p_edit_rect ) {
Rect2 r = get_item_rect ( ) ;
Vector2 zero_offset ;
if ( r . size . x ! = 0 )
zero_offset . x = - r . pos . x / r . size . x ;
if ( r . size . y ! = 0 )
zero_offset . y = - r . pos . y / r . size . y ;
Size2 new_scale ( 1 , 1 ) ;
if ( r . size . x ! = 0 )
new_scale . x = p_edit_rect . size . x / r . size . x ;
if ( r . size . y ! = 0 )
new_scale . y = p_edit_rect . size . y / r . size . y ;
Point2 new_pos = p_edit_rect . pos + p_edit_rect . size * zero_offset ; //p_edit_rect.pos - r.pos;
Matrix32 postxf ;
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postxf . set_rotation_and_scale ( angle , _scale ) ;
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new_pos = postxf . xform ( new_pos ) ;
pos + = new_pos ;
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_scale * = new_scale ;
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_update_transform ( ) ;
_change_notify ( " transform/scale " ) ;
_change_notify ( " transform/pos " ) ;
}
void Node2D : : edit_rotate ( float p_rot ) {
angle + = p_rot ;
_update_transform ( ) ;
_change_notify ( " transform/rot " ) ;
}
void Node2D : : _update_xform_values ( ) {
pos = _mat . elements [ 2 ] ;
angle = _mat . get_rotation ( ) ;
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_scale = _mat . get_scale ( ) ;
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_xform_dirty = false ;
}
void Node2D : : _update_transform ( ) {
Matrix32 mat ( angle , pos ) ;
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_mat . set_rotation_and_scale ( angle , _scale ) ;
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_mat . elements [ 2 ] = pos ;
VisualServer : : get_singleton ( ) - > canvas_item_set_transform ( get_canvas_item ( ) , _mat ) ;
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if ( ! is_inside_tree ( ) )
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return ;
_notify_transform ( ) ;
}
void Node2D : : set_pos ( const Point2 & p_pos ) {
if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
pos = p_pos ;
_update_transform ( ) ;
_change_notify ( " transform/pos " ) ;
}
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void Node2D : : set_rot ( float p_radians ) {
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if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
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angle = p_radians ;
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_update_transform ( ) ;
_change_notify ( " transform/rot " ) ;
}
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void Node2D : : set_rotd ( float p_degrees ) {
set_rot ( Math : : deg2rad ( p_degrees ) ) ;
}
// Kept for compatibility after rename to set_rotd.
// Could be removed after a couple releases.
void Node2D : : _set_rotd ( float p_degrees ) {
WARN_PRINT ( " Deprecated method Node2D._set_rotd(): This method was renamed to set_rotd. Please adapt your code accordingly, as the old method will be obsoleted. " ) ;
set_rotd ( p_degrees ) ;
}
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void Node2D : : set_scale ( const Size2 & p_scale ) {
if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
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_scale = p_scale ;
if ( _scale . x = = 0 )
_scale . x = CMP_EPSILON ;
if ( _scale . y = = 0 )
_scale . y = CMP_EPSILON ;
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_update_transform ( ) ;
_change_notify ( " transform/scale " ) ;
}
Point2 Node2D : : get_pos ( ) const {
if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
return pos ;
}
float Node2D : : get_rot ( ) const {
if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
return angle ;
}
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float Node2D : : get_rotd ( ) const {
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return Math : : rad2deg ( get_rot ( ) ) ;
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}
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// Kept for compatibility after rename to get_rotd.
// Could be removed after a couple releases.
float Node2D : : _get_rotd ( ) const {
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WARN_PRINT ( " Deprecated method Node2D._get_rotd(): This method was renamed to get_rotd. Please adapt your code accordingly, as the old method will be obsoleted. " ) ;
return get_rotd ( ) ;
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}
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Size2 Node2D : : get_scale ( ) const {
if ( _xform_dirty )
( ( Node2D * ) this ) - > _update_xform_values ( ) ;
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return _scale ;
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}
void Node2D : : _notification ( int p_what ) {
switch ( p_what ) {
}
}
Matrix32 Node2D : : get_transform ( ) const {
return _mat ;
}
Rect2 Node2D : : get_item_rect ( ) const {
if ( get_script_instance ( ) ) {
Variant : : CallError err ;
Rect2 r = get_script_instance ( ) - > call ( " _get_item_rect " , NULL , 0 , err ) ;
if ( err . error = = Variant : : CallError : : CALL_OK )
return r ;
}
return Rect2 ( Point2 ( - 32 , - 32 ) , Size2 ( 64 , 64 ) ) ;
}
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void Node2D : : rotate ( float p_radians ) {
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set_rot ( get_rot ( ) + p_radians ) ;
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}
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void Node2D : : translate ( const Vector2 & p_amount ) {
set_pos ( get_pos ( ) + p_amount ) ;
}
void Node2D : : global_translate ( const Vector2 & p_amount ) {
set_global_pos ( get_global_pos ( ) + p_amount ) ;
}
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void Node2D : : scale ( const Size2 & p_amount ) {
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set_scale ( get_scale ( ) * p_amount ) ;
}
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void Node2D : : move_x ( float p_delta , bool p_scaled ) {
Matrix32 t = get_transform ( ) ;
Vector2 m = t [ 0 ] ;
if ( ! p_scaled )
m . normalize ( ) ;
set_pos ( t [ 2 ] + m * p_delta ) ;
}
void Node2D : : move_y ( float p_delta , bool p_scaled ) {
Matrix32 t = get_transform ( ) ;
Vector2 m = t [ 1 ] ;
if ( ! p_scaled )
m . normalize ( ) ;
set_pos ( t [ 2 ] + m * p_delta ) ;
}
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Point2 Node2D : : get_global_pos ( ) const {
return get_global_transform ( ) . get_origin ( ) ;
}
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void Node2D : : set_global_pos ( const Point2 & p_pos ) {
Matrix32 inv ;
CanvasItem * pi = get_parent_item ( ) ;
if ( pi ) {
inv = pi - > get_global_transform ( ) . affine_inverse ( ) ;
set_pos ( inv . xform ( p_pos ) ) ;
} else {
set_pos ( p_pos ) ;
}
}
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void Node2D : : set_transform ( const Matrix32 & p_transform ) {
_mat = p_transform ;
_xform_dirty = true ;
VisualServer : : get_singleton ( ) - > canvas_item_set_transform ( get_canvas_item ( ) , _mat ) ;
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if ( ! is_inside_tree ( ) )
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return ;
_notify_transform ( ) ;
}
void Node2D : : set_global_transform ( const Matrix32 & p_transform ) {
CanvasItem * pi = get_parent_item ( ) ;
if ( pi )
set_transform ( pi - > get_global_transform ( ) . affine_inverse ( ) * p_transform ) ;
else
set_transform ( p_transform ) ;
}
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void Node2D : : set_z ( int p_z ) {
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ERR_FAIL_COND ( p_z < VS : : CANVAS_ITEM_Z_MIN ) ;
ERR_FAIL_COND ( p_z > VS : : CANVAS_ITEM_Z_MAX ) ;
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z = p_z ;
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VS : : get_singleton ( ) - > canvas_item_set_z ( get_canvas_item ( ) , z ) ;
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}
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void Node2D : : set_z_as_relative ( bool p_enabled ) {
if ( z_relative = = p_enabled )
return ;
z_relative = p_enabled ;
VS : : get_singleton ( ) - > canvas_item_set_z_as_relative_to_parent ( get_canvas_item ( ) , p_enabled ) ;
}
bool Node2D : : is_z_relative ( ) const {
return z_relative ;
}
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int Node2D : : get_z ( ) const {
return z ;
}
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Matrix32 Node2D : : get_relative_transform_to_parent ( const Node * p_parent ) const {
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if ( p_parent = = this )
return Matrix32 ( ) ;
Node2D * parent_2d = get_parent ( ) - > cast_to < Node2D > ( ) ;
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ERR_FAIL_COND_V ( ! parent_2d , Matrix32 ( ) ) ;
if ( p_parent = = parent_2d )
return get_transform ( ) ;
else
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return parent_2d - > get_relative_transform_to_parent ( p_parent ) * get_transform ( ) ;
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}
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void Node2D : : look_at ( const Vector2 & p_pos ) {
rotate ( get_angle_to ( p_pos ) ) ;
}
float Node2D : : get_angle_to ( const Vector2 & p_pos ) const {
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return ( get_global_transform ( ) . affine_inverse ( ) . xform ( p_pos ) ) . angle ( ) ;
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}
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void Node2D : : _bind_methods ( ) {
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// TODO: Obsolete those two methods (old name) properly (GH-4397)
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ObjectTypeDB : : bind_method ( _MD ( " _get_rotd " ) , & Node2D : : _get_rotd ) ;
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ObjectTypeDB : : bind_method ( _MD ( " _set_rotd " , " degrees " ) , & Node2D : : _set_rotd ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_pos " , " pos " ) , & Node2D : : set_pos ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_rot " , " radians " ) , & Node2D : : set_rot ) ;
ObjectTypeDB : : bind_method ( _MD ( " set_rotd " , " degrees " ) , & Node2D : : set_rotd ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_scale " , " scale " ) , & Node2D : : set_scale ) ;
ObjectTypeDB : : bind_method ( _MD ( " get_pos " ) , & Node2D : : get_pos ) ;
ObjectTypeDB : : bind_method ( _MD ( " get_rot " ) , & Node2D : : get_rot ) ;
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ObjectTypeDB : : bind_method ( _MD ( " get_rotd " ) , & Node2D : : get_rotd ) ;
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ObjectTypeDB : : bind_method ( _MD ( " get_scale " ) , & Node2D : : get_scale ) ;
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ObjectTypeDB : : bind_method ( _MD ( " rotate " , " radians " ) , & Node2D : : rotate ) ;
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ObjectTypeDB : : bind_method ( _MD ( " move_local_x " , " delta " , " scaled " ) , & Node2D : : move_x , DEFVAL ( false ) ) ;
ObjectTypeDB : : bind_method ( _MD ( " move_local_y " , " delta " , " scaled " ) , & Node2D : : move_y , DEFVAL ( false ) ) ;
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ObjectTypeDB : : bind_method ( _MD ( " translate " , " offset " ) , & Node2D : : translate ) ;
ObjectTypeDB : : bind_method ( _MD ( " global_translate " , " offset " ) , & Node2D : : global_translate ) ;
ObjectTypeDB : : bind_method ( _MD ( " scale " , " ratio " ) , & Node2D : : scale ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_global_pos " , " pos " ) , & Node2D : : set_global_pos ) ;
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ObjectTypeDB : : bind_method ( _MD ( " get_global_pos " ) , & Node2D : : get_global_pos ) ;
ObjectTypeDB : : bind_method ( _MD ( " set_transform " , " xform " ) , & Node2D : : set_transform ) ;
ObjectTypeDB : : bind_method ( _MD ( " set_global_transform " , " xform " ) , & Node2D : : set_global_transform ) ;
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ObjectTypeDB : : bind_method ( _MD ( " look_at " , " point " ) , & Node2D : : look_at ) ;
ObjectTypeDB : : bind_method ( _MD ( " get_angle_to " , " point " ) , & Node2D : : get_angle_to ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_z " , " z " ) , & Node2D : : set_z ) ;
ObjectTypeDB : : bind_method ( _MD ( " get_z " ) , & Node2D : : get_z ) ;
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ObjectTypeDB : : bind_method ( _MD ( " set_z_as_relative " , " enable " ) , & Node2D : : set_z_as_relative ) ;
ObjectTypeDB : : bind_method ( _MD ( " is_z_relative " ) , & Node2D : : is_z_relative ) ;
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ObjectTypeDB : : bind_method ( _MD ( " edit_set_pivot " , " pivot " ) , & Node2D : : edit_set_pivot ) ;
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ObjectTypeDB : : bind_method ( _MD ( " get_relative_transform_to_parent " , " parent " ) , & Node2D : : get_relative_transform_to_parent ) ;
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ADD_PROPERTYNZ ( PropertyInfo ( Variant : : VECTOR2 , " transform/pos " ) , _SCS ( " set_pos " ) , _SCS ( " get_pos " ) ) ;
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ADD_PROPERTYNZ ( PropertyInfo ( Variant : : REAL , " transform/rot " , PROPERTY_HINT_RANGE , " -1440,1440,0.1 " ) , _SCS ( " set_rotd " ) , _SCS ( " get_rotd " ) ) ;
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ADD_PROPERTYNO ( PropertyInfo ( Variant : : VECTOR2 , " transform/scale " ) , _SCS ( " set_scale " ) , _SCS ( " get_scale " ) ) ;
ADD_PROPERTYNZ ( PropertyInfo ( Variant : : INT , " z/z " , PROPERTY_HINT_RANGE , itos ( VS : : CANVAS_ITEM_Z_MIN ) + " , " + itos ( VS : : CANVAS_ITEM_Z_MAX ) + " ,1 " ) , _SCS ( " set_z " ) , _SCS ( " get_z " ) ) ;
ADD_PROPERTYNO ( PropertyInfo ( Variant : : BOOL , " z/relative " ) , _SCS ( " set_z_as_relative " ) , _SCS ( " is_z_relative " ) ) ;
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}
Node2D : : Node2D ( ) {
angle = 0 ;
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_scale = Vector2 ( 1 , 1 ) ;
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_xform_dirty = false ;
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z = 0 ;
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z_relative = true ;
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}