/*************************************************************************/ /* line_2d_editor_plugin.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2017 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 "line_2d_editor_plugin.h" #include "canvas_item_editor_plugin.h" #include "editor/editor_settings.h" #include "os/file_access.h" #include "os/keyboard.h" //---------------------------------------------------------------------------- // Line2DEditor //---------------------------------------------------------------------------- void Line2DEditor::_node_removed(Node *p_node) { if (p_node == node) { node = NULL; hide(); } } void Line2DEditor::_notification(int p_what) { switch (p_what) { case NOTIFICATION_VISIBILITY_CHANGED: // This widget is not a child but should have the same visibility state base_hb->set_visible(is_visible()); break; } } Vector2 Line2DEditor::mouse_to_local_pos(Vector2 gpoint, bool alt) { Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); return !alt ? canvas_item_editor->snap_point(xform.affine_inverse().xform(gpoint)) : node->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint))); } int Line2DEditor::get_point_index_at(Vector2 gpos) { ERR_FAIL_COND_V(node == 0, -1); real_t grab_treshold = EDITOR_DEF("poly_editor/point_grab_radius", 8); Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); for (int i = 0; i < node->get_point_count(); ++i) { Point2 p = xform.xform(node->get_point_pos(i)); if (gpos.distance_to(p) < grab_treshold) { return i; } } return -1; } bool Line2DEditor::forward_gui_input(const InputEvent &p_event) { if (!node) return false; if (!node->is_visible()) return false; switch (p_event.type) { case InputEvent::MOUSE_BUTTON: { const InputEventMouseButton &mb = p_event.mouse_button; Vector2 gpoint = Point2(mb.x, mb.y); Vector2 cpoint = mouse_to_local_pos(gpoint, mb.mod.alt); if (mb.pressed && _dragging == false) { int i = get_point_index_at(gpoint); if (i != -1) { if (mb.button_index == BUTTON_LEFT && !mb.mod.shift && mode == MODE_EDIT) { _dragging = true; action_point = i; moving_from = node->get_point_pos(i); moving_screen_from = gpoint; } else if ((mb.button_index == BUTTON_RIGHT && mode == MODE_EDIT) || (mb.button_index == BUTTON_LEFT && mode == MODE_DELETE)) { undo_redo->create_action(TTR("Remove Point from Line2D")); undo_redo->add_do_method(node, "remove_point", i); undo_redo->add_undo_method(node, "add_point", node->get_point_pos(i), i); undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->commit_action(); } return true; } } if (mb.pressed && mb.button_index == BUTTON_LEFT && ((mb.mod.command && mode == MODE_EDIT) || mode == MODE_CREATE)) { undo_redo->create_action(TTR("Add Point to Line2D")); undo_redo->add_do_method(node, "add_point", cpoint); undo_redo->add_undo_method(node, "remove_point", node->get_point_count()); undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->commit_action(); _dragging = true; action_point = node->get_point_count() - 1; moving_from = node->get_point_pos(action_point); moving_screen_from = gpoint; canvas_item_editor->get_viewport_control()->update(); return true; } if (!mb.pressed && mb.button_index == BUTTON_LEFT && _dragging) { undo_redo->create_action(TTR("Move Point in Line2D")); undo_redo->add_do_method(node, "set_point_pos", action_point, cpoint); undo_redo->add_undo_method(node, "set_point_pos", action_point, moving_from); undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update"); undo_redo->commit_action(); _dragging = false; return true; } } break; case InputEvent::MOUSE_MOTION: { if (_dragging) { const InputEventMouseMotion &mm = p_event.mouse_motion; Vector2 cpoint = mouse_to_local_pos(Vector2(mm.x, mm.y), mm.mod.alt); node->set_point_pos(action_point, cpoint); canvas_item_editor->get_viewport_control()->update(); return true; } } break; } return false; } void Line2DEditor::_canvas_draw() { if (!node) return; if (!node->is_visible()) return; Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons"); Size2 handle_size = handle->get_size(); int len = node->get_point_count(); Control *vpc = canvas_item_editor->get_viewport_control(); for (int i = 0; i < len; ++i) { Vector2 point = xform.xform(node->get_point_pos(i)); vpc->draw_texture_rect(handle, Rect2(point - handle_size * 0.5, handle_size), false); } } void Line2DEditor::_node_visibility_changed() { if (!node) return; canvas_item_editor->get_viewport_control()->update(); } void Line2DEditor::edit(Node *p_line2d) { if (!canvas_item_editor) canvas_item_editor = CanvasItemEditor::get_singleton(); if (p_line2d) { node = p_line2d->cast_to<Line2D>(); if (!canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw")) canvas_item_editor->get_viewport_control()->connect("draw", this, "_canvas_draw"); if (!node->is_connected("visibility_changed", this, "_node_visibility_changed")) node->connect("visibility_changed", this, "_node_visibility_changed"); } else { if (canvas_item_editor->get_viewport_control()->is_connected("draw", this, "_canvas_draw")) canvas_item_editor->get_viewport_control()->disconnect("draw", this, "_canvas_draw"); // node may have been deleted at this point if (node && node->is_connected("visibility_changed", this, "_node_visibility_changed")) node->disconnect("visibility_changed", this, "_node_visibility_changed"); node = NULL; } } void Line2DEditor::_bind_methods() { ClassDB::bind_method(D_METHOD("_canvas_draw"), &Line2DEditor::_canvas_draw); ClassDB::bind_method(D_METHOD("_node_visibility_changed"), &Line2DEditor::_node_visibility_changed); ClassDB::bind_method(D_METHOD("_mode_selected"), &Line2DEditor::_mode_selected); } void Line2DEditor::_mode_selected(int p_mode) { for (unsigned int i = 0; i < _MODE_COUNT; ++i) { toolbar_buttons[i]->set_pressed(i == p_mode); } mode = Mode(p_mode); } Line2DEditor::Line2DEditor(EditorNode *p_editor) { canvas_item_editor = NULL; editor = p_editor; undo_redo = editor->get_undo_redo(); _dragging = false; base_hb = memnew(HBoxContainer); CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb); sep = memnew(VSeparator); base_hb->add_child(sep); { ToolButton *b = memnew(ToolButton); b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit", "EditorIcons")); b->set_toggle_mode(true); b->set_focus_mode(Control::FOCUS_NONE); b->set_tooltip( TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string(KEY_MASK_CMD) + TTR("Click: Add Point") + "\n" + TTR("Right Click: Delete Point")); b->connect("pressed", this, "_mode_selected", varray(MODE_EDIT)); toolbar_buttons[MODE_EDIT] = b; base_hb->add_child(b); } { ToolButton *b = memnew(ToolButton); b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate", "EditorIcons")); b->set_toggle_mode(true); b->set_focus_mode(Control::FOCUS_NONE); b->set_tooltip(TTR("Add Point (in empty space)") + "\n" + TTR("Split Segment (in line)")); b->connect("pressed", this, "_mode_selected", varray(MODE_CREATE)); toolbar_buttons[MODE_CREATE] = b; base_hb->add_child(b); } { ToolButton *b = memnew(ToolButton); b->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete", "EditorIcons")); b->set_toggle_mode(true); b->set_focus_mode(Control::FOCUS_NONE); b->set_tooltip(TTR("Delete Point")); b->connect("pressed", this, "_mode_selected", varray(MODE_DELETE)); toolbar_buttons[MODE_DELETE] = b; base_hb->add_child(b); } base_hb->hide(); hide(); _mode_selected(MODE_CREATE); } //---------------------------------------------------------------------------- // Line2DEditorPlugin //---------------------------------------------------------------------------- void Line2DEditorPlugin::edit(Object *p_object) { line2d_editor->edit(p_object->cast_to<Node>()); } bool Line2DEditorPlugin::handles(Object *p_object) const { return p_object->is_class("Line2D"); } void Line2DEditorPlugin::make_visible(bool p_visible) { line2d_editor->set_visible(p_visible); if (p_visible == false) line2d_editor->edit(NULL); } Line2DEditorPlugin::Line2DEditorPlugin(EditorNode *p_node) { editor = p_node; line2d_editor = memnew(Line2DEditor(p_node)); CanvasItemEditor::get_singleton()->add_control_to_menu_panel(line2d_editor); line2d_editor->hide(); }