416 lines
12 KiB
C++
416 lines
12 KiB
C++
/*************************************************************************/
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/* screen_button.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "screen_button.h"
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#include "os/os.h"
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#include "input_map.h"
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#include "os/input.h"
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void TouchScreenButton::set_texture(const Ref<Texture>& p_texture) {
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texture=p_texture;
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update();
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}
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Ref<Texture> TouchScreenButton::get_texture() const{
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return texture;
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}
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void TouchScreenButton::set_texture_pressed(const Ref<Texture>& p_texture_pressed) {
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texture_pressed=p_texture_pressed;
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update();
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}
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Ref<Texture> TouchScreenButton::get_texture_pressed() const{
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return texture_pressed;
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}
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void TouchScreenButton::set_bitmask(const Ref<BitMap>& p_bitmask){
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bitmask=p_bitmask;
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}
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Ref<BitMap> TouchScreenButton::get_bitmask() const{
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return bitmask;
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}
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void TouchScreenButton::set_shape(const Ref<Shape2D>& p_shape){
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shape=p_shape;
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if (!is_inside_tree())
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return;
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if (!get_tree()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint())
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return;
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update();
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}
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Ref<Shape2D> TouchScreenButton::get_shape() const{
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return shape;
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}
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void TouchScreenButton::set_shape_centered(bool p_shape_centered) {
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shape_centered=p_shape_centered;
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if (!is_inside_tree())
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return;
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if (!get_tree()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint())
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return;
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update();
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}
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bool TouchScreenButton::is_shape_centered() const {
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return shape_centered;
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}
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void TouchScreenButton::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_DRAW: {
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if (!is_inside_tree())
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return;
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if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
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return;
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if (finger_pressed!=-1) {
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if (texture_pressed.is_valid())
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draw_texture(texture_pressed,Point2());
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else if (texture.is_valid())
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draw_texture(texture,Point2());
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} else {
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if (texture.is_valid())
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draw_texture(texture,Point2());
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}
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if (!get_tree()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint())
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return;
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if (shape.is_valid()) {
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Color draw_col=get_tree()->get_debug_collisions_color();
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Vector2 pos=shape_centered ? get_item_rect().size*0.5f : Vector2();
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draw_set_transform_matrix(get_canvas_transform().translated(pos));
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shape->draw(get_canvas_item(),draw_col);
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}
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} break;
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case NOTIFICATION_ENTER_TREE: {
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if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
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return;
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update();
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if (!get_tree()->is_editor_hint())
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set_process_input(true);
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if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
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action_id=InputMap::get_singleton()->get_action_id(action);
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} else {
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action_id=-1;
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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if (is_pressed())
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_release(true);
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} break;
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case NOTIFICATION_PAUSED: {
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// So the button can be pressed again even though the release gets unhandled because of coming during pause
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allow_repress=true;
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}
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}
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}
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bool TouchScreenButton::is_pressed() const{
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return finger_pressed!=-1;
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}
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void TouchScreenButton::set_action(const String& p_action) {
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action=p_action;
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if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
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action_id=InputMap::get_singleton()->get_action_id(action);
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} else {
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action_id=-1;
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}
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}
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String TouchScreenButton::get_action() const {
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return action;
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}
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void TouchScreenButton::_input(const InputEvent& p_event) {
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if (!get_tree())
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return;
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if (p_event.device != 0)
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return;
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if (passby_press) {
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if (p_event.type==InputEvent::SCREEN_TOUCH && !p_event.screen_touch.pressed && finger_pressed==p_event.screen_touch.index) {
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_release();
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}
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if ((p_event.type==InputEvent::SCREEN_TOUCH && p_event.screen_touch.pressed)|| p_event.type==InputEvent::SCREEN_DRAG) {
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if (finger_pressed==-1 || p_event.screen_touch.index==finger_pressed) {
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Point2 coord = (get_global_transform_with_canvas()).affine_inverse().xform(Point2(p_event.screen_touch.x,p_event.screen_touch.y));
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bool touched=false;
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if (bitmask.is_valid()) {
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if (Rect2(Point2(),bitmask->get_size()).has_point(coord)) {
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if (bitmask->get_bit(coord))
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touched=true;
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}
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} else {
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if (texture.is_valid())
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touched=Rect2(Point2(),texture->get_size()).has_point(coord);
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}
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if (touched) {
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if (finger_pressed==-1) {
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_press(p_event.screen_touch.index);
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}
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} else {
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if (finger_pressed!=-1) {
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_release();
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}
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}
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}
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}
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} else {
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if (p_event.type==InputEvent::SCREEN_TOUCH) {
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if (p_event.screen_touch.pressed) {
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if (!is_visible_in_tree())
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return;
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const bool can_press=finger_pressed==-1 || allow_repress;
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if (!can_press)
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return; //already fingering
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Point2 coord = (get_global_transform_with_canvas()).affine_inverse().xform(Point2(p_event.screen_touch.x,p_event.screen_touch.y));
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Rect2 item_rect = get_item_rect();
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bool touched=false;
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bool check_rect=true;
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if (shape.is_valid()) {
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check_rect=false;
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Transform2D xform=shape_centered ? Transform2D().translated(get_item_rect().size*0.5f) : Transform2D();
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touched=shape->collide(xform, unit_rect, Transform2D(0, coord + Vector2(0.5,0.5)));
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}
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if (bitmask.is_valid()) {
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check_rect=false;
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if (!touched && Rect2(Point2(),bitmask->get_size()).has_point(coord)) {
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if (bitmask->get_bit(coord))
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touched=true;
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}
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}
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if (!touched && check_rect) {
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if (!texture.is_null())
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touched=item_rect.has_point(coord);
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}
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if (touched) {
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_press(p_event.screen_touch.index);
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}
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} else {
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if (p_event.screen_touch.index==finger_pressed) {
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_release();
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}
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}
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}
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}
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}
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void TouchScreenButton::_press(int p_finger_pressed) {
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finger_pressed=p_finger_pressed;
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allow_repress=false;
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if (action_id!=-1) {
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Input::get_singleton()->action_press(action);
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InputEvent ie;
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ie.type=InputEvent::ACTION;
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ie.ID=0;
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ie.action.action=action_id;
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ie.action.pressed=true;
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get_tree()->input_event(ie);
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}
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emit_signal("pressed");
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update();
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}
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void TouchScreenButton::_release(bool p_exiting_tree) {
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finger_pressed=-1;
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if (action_id!=-1) {
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Input::get_singleton()->action_release(action);
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InputEvent ie;
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ie.type=InputEvent::ACTION;
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ie.ID=0;
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ie.action.action=action_id;
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ie.action.pressed=false;
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get_tree()->input_event(ie);
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}
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if (!p_exiting_tree) {
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emit_signal("released");
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update();
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}
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}
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Rect2 TouchScreenButton::get_item_rect() const {
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if (texture.is_null())
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return Rect2(0,0,1,1);
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/*
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if (texture.is_null())
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return CanvasItem::get_item_rect();
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*/
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return Rect2(Size2(),texture->get_size());
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}
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void TouchScreenButton::set_visibility_mode(VisibilityMode p_mode) {
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visibility=p_mode;
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update();
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}
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TouchScreenButton::VisibilityMode TouchScreenButton::get_visibility_mode() const {
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return visibility;
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}
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void TouchScreenButton::set_passby_press(bool p_enable) {
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passby_press=p_enable;
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}
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bool TouchScreenButton::is_passby_press_enabled() const{
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return passby_press;
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}
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void TouchScreenButton::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_texture","texture"),&TouchScreenButton::set_texture);
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ClassDB::bind_method(D_METHOD("get_texture"),&TouchScreenButton::get_texture);
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ClassDB::bind_method(D_METHOD("set_texture_pressed","texture_pressed"),&TouchScreenButton::set_texture_pressed);
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ClassDB::bind_method(D_METHOD("get_texture_pressed"),&TouchScreenButton::get_texture_pressed);
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ClassDB::bind_method(D_METHOD("set_bitmask","bitmask"),&TouchScreenButton::set_bitmask);
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ClassDB::bind_method(D_METHOD("get_bitmask"),&TouchScreenButton::get_bitmask);
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ClassDB::bind_method(D_METHOD("set_shape","shape"),&TouchScreenButton::set_shape);
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ClassDB::bind_method(D_METHOD("get_shape"),&TouchScreenButton::get_shape);
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ClassDB::bind_method(D_METHOD("set_shape_centered","bool"),&TouchScreenButton::set_shape_centered);
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ClassDB::bind_method(D_METHOD("is_shape_centered"),&TouchScreenButton::is_shape_centered);
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ClassDB::bind_method(D_METHOD("set_action","action"),&TouchScreenButton::set_action);
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ClassDB::bind_method(D_METHOD("get_action"),&TouchScreenButton::get_action);
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ClassDB::bind_method(D_METHOD("set_visibility_mode","mode"),&TouchScreenButton::set_visibility_mode);
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ClassDB::bind_method(D_METHOD("get_visibility_mode"),&TouchScreenButton::get_visibility_mode);
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ClassDB::bind_method(D_METHOD("set_passby_press","enabled"),&TouchScreenButton::set_passby_press);
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ClassDB::bind_method(D_METHOD("is_passby_press_enabled"),&TouchScreenButton::is_passby_press_enabled);
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ClassDB::bind_method(D_METHOD("is_pressed"),&TouchScreenButton::is_pressed);
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ClassDB::bind_method(D_METHOD("_input"),&TouchScreenButton::_input);
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"normal",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),"set_texture","get_texture");
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"pressed",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),"set_texture_pressed","get_texture_pressed");
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"bitmask",PROPERTY_HINT_RESOURCE_TYPE,"BitMap"),"set_bitmask","get_bitmask");
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"shape",PROPERTY_HINT_RESOURCE_TYPE,"Shape2D"),"set_shape","get_shape");
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ADD_PROPERTY( PropertyInfo(Variant::BOOL,"shape_centered"),"set_shape_centered","is_shape_centered");
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ADD_PROPERTY( PropertyInfo(Variant::BOOL,"passby_press"),"set_passby_press","is_passby_press_enabled");
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ADD_PROPERTY( PropertyInfo(Variant::STRING,"action"),"set_action","get_action");
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ADD_PROPERTY( PropertyInfo(Variant::INT,"visibility_mode",PROPERTY_HINT_ENUM,"Always,TouchScreen Only"),"set_visibility_mode","get_visibility_mode");
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ADD_SIGNAL( MethodInfo("pressed" ) );
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ADD_SIGNAL( MethodInfo("released" ) );
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}
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TouchScreenButton::TouchScreenButton() {
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finger_pressed=-1;
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allow_repress=false;
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action_id=-1;
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passby_press=false;
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visibility=VISIBILITY_ALWAYS;
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shape_centered=true;
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unit_rect=Ref<RectangleShape2D>(memnew(RectangleShape2D));
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unit_rect->set_extents(Vector2(0.5,0.5));
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}
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