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Merge pull request #59338 from fire-forge/raycast2d-editor-3.x 

[3.x] Add an editor handle for `RayCast2D.cast_to`
This commit is contained in:
Rémi Verschelde 2022-04-27 07:57:00 +02:00 committed by GitHub
parent ba7881bd36 da18e44803
commit 1f7a2328a3
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 237 additions and 0 deletions
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2
editor/editor_node.cpp
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@ -144,6 +144,7 @@
#include "editor/plugins/path_editor_plugin.h"
#include "editor/plugins/physical_bone_plugin.h"
#include "editor/plugins/polygon_2d_editor_plugin.h"
#include "editor/plugins/ray_cast_2d_editor_plugin.h"
#include "editor/plugins/resource_preloader_editor_plugin.h"
#include "editor/plugins/room_manager_editor_plugin.h"
#include "editor/plugins/root_motion_editor_plugin.h"
@ -7013,6 +7014,7 @@ EditorNode::EditorNode() {
add_editor_plugin(memnew(MaterialEditorPlugin(this)));
add_editor_plugin(memnew(ViewportPreviewEditorPlugin(this)));
add_editor_plugin(memnew(GradientTexture2DEditorPlugin(this)));
add_editor_plugin(memnew(RayCast2DEditorPlugin(this)));
for (int i = 0; i < EditorPlugins::get_plugin_count(); i++) {
add_editor_plugin(EditorPlugins::create(i, this));

155
editor/plugins/ray_cast_2d_editor_plugin.cpp Normal file
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@ -0,0 +1,155 @@
/*************************************************************************/
/* ray_cast_2d_editor_plugin.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 "ray_cast_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "editor/editor_node.h"
void RayCast2DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
get_tree()->connect("node_removed", this, "_node_removed");
} break;
case NOTIFICATION_EXIT_TREE: {
get_tree()->disconnect("node_removed", this, "_node_removed");
} break;
}
}
void RayCast2DEditor::_node_removed(Node *p_node) {
if (p_node == node) {
node = nullptr;
}
}
bool RayCast2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_event) {
if (!node || !node->is_visible_in_tree()) {
return false;
}
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT) {
if (mb->is_pressed()) {
if (xform.xform(node->get_cast_to()).distance_to(mb->get_position()) < 8) {
pressed = true;
original_cast_to = node->get_cast_to();
return true;
} else {
pressed = false;
return false;
}
} else if (pressed) {
undo_redo->create_action(TTR("Set cast_to"));
undo_redo->add_do_method(node, "set_cast_to", node->get_cast_to());
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(node, "set_cast_to", original_cast_to);
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
pressed = false;
return true;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && pressed) {
Vector2 point = canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position()));
point = node->get_global_transform().affine_inverse().xform(point);
node->set_cast_to(point);
canvas_item_editor->update_viewport();
node->_change_notify();
return true;
}
return false;
}
void RayCast2DEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
if (!node || !node->is_visible_in_tree()) {
return;
}
Transform2D gt = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
const Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons");
p_overlay->draw_texture(handle, gt.xform(node->get_cast_to()) - handle->get_size() / 2);
}
void RayCast2DEditor::edit(Node *p_node) {
if (!canvas_item_editor) {
canvas_item_editor = CanvasItemEditor::get_singleton();
}
if (p_node) {
node = Object::cast_to<RayCast2D>(p_node);
} else {
node = nullptr;
}
canvas_item_editor->update_viewport();
}
void RayCast2DEditor::_bind_methods() {
ClassDB::bind_method("_node_removed", &RayCast2DEditor::_node_removed);
}
RayCast2DEditor::RayCast2DEditor() {
undo_redo = EditorNode::get_singleton()->get_undo_redo();
}
///////////////////////
void RayCast2DEditorPlugin::edit(Object *p_object) {
ray_cast_2d_editor->edit(Object::cast_to<RayCast2D>(p_object));
}
bool RayCast2DEditorPlugin::handles(Object *p_object) const {
return Object::cast_to<RayCast2D>(p_object) != nullptr;
}
void RayCast2DEditorPlugin::make_visible(bool p_visible) {
if (!p_visible) {
edit(nullptr);
}
}
RayCast2DEditorPlugin::RayCast2DEditorPlugin(EditorNode *p_editor) {
ray_cast_2d_editor = memnew(RayCast2DEditor);
p_editor->get_gui_base()->add_child(ray_cast_2d_editor);
}

80
editor/plugins/ray_cast_2d_editor_plugin.h Normal file
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@ -0,0 +1,80 @@
/*************************************************************************/
/* ray_cast_2d_editor_plugin.h */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#ifndef RAY_CAST_2D_EDITOR_PLUGIN_H
#define RAY_CAST_2D_EDITOR_PLUGIN_H
#include "editor/editor_plugin.h"
#include "scene/2d/ray_cast_2d.h"
class CanvasItemEditor;
class RayCast2DEditor : public Control {
GDCLASS(RayCast2DEditor, Control);
UndoRedo *undo_redo = nullptr;
CanvasItemEditor *canvas_item_editor = nullptr;
RayCast2D *node;
bool pressed = false;
Point2 original_cast_to;
protected:
void _notification(int p_what);
void _node_removed(Node *p_node);
static void _bind_methods();
public:
bool forward_canvas_gui_input(const Ref<InputEvent> &p_event);
void forward_canvas_draw_over_viewport(Control *p_overlay);
void edit(Node *p_node);
RayCast2DEditor();
};
class RayCast2DEditorPlugin : public EditorPlugin {
GDCLASS(RayCast2DEditorPlugin, EditorPlugin);
RayCast2DEditor *ray_cast_2d_editor = nullptr;
public:
virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) { return ray_cast_2d_editor->forward_canvas_gui_input(p_event); }
virtual void forward_canvas_draw_over_viewport(Control *p_overlay) { ray_cast_2d_editor->forward_canvas_draw_over_viewport(p_overlay); }
virtual String get_name() const { return "RayCast2D"; }
bool has_main_screen() const { return false; }
virtual void edit(Object *p_object);
virtual bool handles(Object *p_object) const;
virtual void make_visible(bool visible);
RayCast2DEditorPlugin(EditorNode *p_editor);
};
#endif // RAY_CAST_2D_EDITOR_PLUGIN_H