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Merge pull request #98534 from YeldhamDev/i_hate_math

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Make possible to scale multiple nodes at once in the canvas editor
This commit is contained in:
Thaddeus Crews 2024-11-14 14:51:51 -06:00
commit 9513d18180
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GPG Key ID: 62181B86FE9E5D84
1 changed files with 184 additions and 136 deletions
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118
editor/plugins/canvas_item_editor_plugin.cpp
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@ -1930,15 +1930,30 @@ bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
// Drag resize handles
if (drag_type == DRAG_NONE) {
if (b.is_valid() && b->get_button_index() == MouseButton::LEFT && b->is_pressed() && ((b->is_alt_pressed() && b->is_command_or_control_pressed()) || tool == TOOL_SCALE)) {
if (b.is_valid() && b->get_button_index() == MouseButton::LEFT && b->is_pressed() &&
((tool == TOOL_SELECT && b->is_alt_pressed() && b->is_command_or_control_pressed()) || tool == TOOL_SCALE)) {
bool has_locked_items = false;
List<CanvasItem *> selection = _get_edited_canvas_items(false, true, &has_locked_items);
if (selection.size() == 1) {
// Remove non-movable nodes.
for (CanvasItem *ci : selection) {
if (!_is_node_movable(ci, true)) {
selection.erase(ci);
}
}
if (!selection.is_empty()) {
CanvasItem *ci = selection.front()->get();
if (_is_node_movable(ci)) {
Transform2D edit_transform;
if (!Math::is_inf(temp_pivot.x) || !Math::is_inf(temp_pivot.y)) {
edit_transform = Transform2D(ci->_edit_get_rotation(), temp_pivot);
} else {
edit_transform = ci->_edit_get_transform();
}
Transform2D xform = transform * ci->get_global_transform_with_canvas();
Transform2D unscaled_transform = (xform * ci->get_transform().affine_inverse() * ci->_edit_get_transform()).orthonormalized();
Transform2D unscaled_transform = (xform * ci->get_transform().affine_inverse() * edit_transform).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
drag_type = DRAG_SCALE_BOTH;
@ -1956,11 +1971,9 @@ bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
}
drag_from = transform.affine_inverse().xform(b->get_position());
drag_selection = List<CanvasItem *>();
drag_selection.push_back(ci);
drag_selection = selection;
_save_canvas_item_state(drag_selection);
return true;
}
} else {
if (has_locked_items) {
EditorToaster::get_singleton()->popup_str(TTR(locked_transform_warning), EditorToaster::SEVERITY_WARNING);
@ -1968,18 +1981,31 @@ bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
return has_locked_items;
}
}
}
if (drag_type == DRAG_SCALE_BOTH || drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
} else if (drag_type == DRAG_SCALE_BOTH || drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
// Resize the node
if (m.is_valid()) {
_restore_canvas_item_state(drag_selection);
CanvasItem *ci = drag_selection.front()->get();
drag_to = transform.affine_inverse().xform(m->get_position());
Size2 scale_max;
if (drag_type != DRAG_SCALE_BOTH) {
for (CanvasItem *ci : drag_selection) {
scale_max = scale_max.max(ci->_edit_get_scale());
}
}
for (CanvasItem *ci : drag_selection) {
Transform2D edit_transform;
bool using_temp_pivot = !Math::is_inf(temp_pivot.x) || !Math::is_inf(temp_pivot.y);
if (using_temp_pivot) {
edit_transform = Transform2D(ci->_edit_get_rotation(), temp_pivot);
} else {
edit_transform = ci->_edit_get_transform();
}
Transform2D parent_xform = ci->get_global_transform_with_canvas() * ci->get_transform().affine_inverse();
Transform2D unscaled_transform = (transform * parent_xform * ci->_edit_get_transform()).orthonormalized();
Transform2D unscaled_transform = (transform * parent_xform * edit_transform).orthonormalized();
Transform2D simple_xform = (viewport->get_transform() * unscaled_transform).affine_inverse() * transform;
bool uniform = m->is_shift_pressed();
@ -2002,7 +2028,8 @@ bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
} else {
Size2 scale_factor = Vector2(offset.x, -offset.y) / SCALE_HANDLE_DISTANCE;
Size2 parent_scale = parent_xform.get_scale();
scale_factor *= Vector2(1.0 / parent_scale.x, 1.0 / parent_scale.y);
// Take into account the biggest scale, so all nodes are scaled uniformly.
scale_factor *= Vector2(1.0 / parent_scale.x, 1.0 / parent_scale.y) / (scale_max / original_scale);
if (drag_type == DRAG_SCALE_X) {
scale.x += scale_factor.x;
@ -2019,15 +2046,22 @@ bool CanvasItemEditor::_gui_input_scale(const Ref<InputEvent> &p_event) {
if (snap_scale && !is_ctrl) {
if (snap_relative) {
scale.x = original_scale.x * (roundf((scale.x / original_scale.x) / snap_scale_step) * snap_scale_step);
scale.y = original_scale.y * (roundf((scale.y / original_scale.y) / snap_scale_step) * snap_scale_step);
scale.x = original_scale.x * (Math::round((scale.x / original_scale.x) / snap_scale_step) * snap_scale_step);
scale.y = original_scale.y * (Math::round((scale.y / original_scale.y) / snap_scale_step) * snap_scale_step);
} else {
scale.x = roundf(scale.x / snap_scale_step) * snap_scale_step;
scale.y = roundf(scale.y / snap_scale_step) * snap_scale_step;
scale.x = Math::round(scale.x / snap_scale_step) * snap_scale_step;
scale.y = Math::round(scale.y / snap_scale_step) * snap_scale_step;
}
}
ci->_edit_set_scale(scale);
if (using_temp_pivot) {
Point2 ci_origin = ci->_edit_get_transform().get_origin();
ci->_edit_set_position(ci_origin + (ci_origin - temp_pivot) * ((scale - original_scale) / original_scale));
}
}
return true;
}
@ -2075,7 +2109,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
if (drag_type == DRAG_NONE) {
//Start moving the nodes
if (b.is_valid() && b->get_button_index() == MouseButton::LEFT && b->is_pressed()) {
if ((b->is_alt_pressed() && !b->is_command_or_control_pressed()) || tool == TOOL_MOVE) {
if ((tool == TOOL_SELECT && b->is_alt_pressed() && !b->is_command_or_control_pressed()) || tool == TOOL_MOVE) {
bool has_locked_items = false;
List<CanvasItem *> selection = _get_edited_canvas_items(false, true, &has_locked_items);
@ -2135,7 +2169,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
}
Point2 drag_delta = drag_to - drag_from;
if (drag_selection.size() == 1 && (drag_type == DRAG_MOVE_X || drag_type == DRAG_MOVE_Y)) {
if (drag_type == DRAG_MOVE_X || drag_type == DRAG_MOVE_Y) {
const CanvasItem *selected = drag_selection.front()->get();
Transform2D parent_xform = selected->get_global_transform_with_canvas() * selected->get_transform().affine_inverse();
Transform2D unscaled_transform = (transform * parent_xform * selected->_edit_get_transform()).orthonormalized();
@ -3468,16 +3502,14 @@ void CanvasItemEditor::_draw_selection() {
Ref<Texture2D> previous_position_icon = get_editor_theme_icon(SNAME("EditorPositionPrevious"));
RID vp_ci = viewport->get_canvas_item();
List<CanvasItem *> selection = _get_edited_canvas_items(true, false);
bool single = selection.size() == 1;
bool transform_tool = tool == TOOL_SELECT || tool == TOOL_MOVE || tool == TOOL_SCALE || tool == TOOL_ROTATE || tool == TOOL_EDIT_PIVOT;
for (CanvasItem *E : selection) {
CanvasItem *ci = Object::cast_to<CanvasItem>(E);
CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(ci);
bool item_locked = ci->has_meta("_edit_lock_");
// Draw the previous position if we are dragging the node
if (show_helpers &&
(drag_type == DRAG_MOVE || drag_type == DRAG_ROTATE ||
@ -3502,6 +3534,7 @@ void CanvasItemEditor::_draw_selection() {
}
}
bool item_locked = ci->has_meta("_edit_lock_");
Transform2D xform = transform * ci->get_global_transform_with_canvas();
// Draw the selected items position / surrounding boxes
@ -3531,7 +3564,7 @@ void CanvasItemEditor::_draw_selection() {
viewport->draw_set_transform_matrix(viewport->get_transform());
}
if (single && !item_locked && (tool == TOOL_SELECT || tool == TOOL_MOVE || tool == TOOL_SCALE || tool == TOOL_ROTATE || tool == TOOL_EDIT_PIVOT)) { //kind of sucks
if (single && !item_locked && transform_tool) {
// Draw the pivot
if (ci->_edit_use_pivot()) {
// Draw the node's pivot
@ -3574,12 +3607,25 @@ void CanvasItemEditor::_draw_selection() {
select_handle->draw(vp_ci, (ofs - (select_handle->get_size() / 2)).floor());
}
}
}
}
// Draw the move handles
// Remove non-movable nodes.
for (CanvasItem *ci : selection) {
if (!_is_node_movable(ci, true)) {
selection.erase(ci);
}
}
if (!selection.is_empty() && transform_tool && show_transformation_gizmos) {
CanvasItem *ci = selection.front()->get();
Transform2D xform = transform * ci->get_global_transform_with_canvas();
bool is_ctrl = Input::get_singleton()->is_key_pressed(Key::CMD_OR_CTRL);
bool is_alt = Input::get_singleton()->is_key_pressed(Key::ALT);
if (tool == TOOL_MOVE && show_transformation_gizmos) {
if (_is_node_movable(ci)) {
// Draw the move handles.
if ((tool == TOOL_SELECT && is_alt && !is_ctrl) || tool == TOOL_MOVE) {
Transform2D unscaled_transform = (xform * ci->get_transform().affine_inverse() * ci->_edit_get_transform()).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
@ -3605,12 +3651,16 @@ void CanvasItemEditor::_draw_selection() {
viewport->draw_set_transform_matrix(viewport->get_transform());
}
}
// Draw the rescale handles
if (show_transformation_gizmos && ((is_alt && is_ctrl) || tool == TOOL_SCALE || drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y)) {
if (_is_node_movable(ci)) {
Transform2D unscaled_transform = (xform * ci->get_transform().affine_inverse() * ci->_edit_get_transform()).orthonormalized();
// Draw the rescale handles.
if ((tool == TOOL_SELECT && is_alt && is_ctrl) || tool == TOOL_SCALE || drag_type == DRAG_SCALE_X || drag_type == DRAG_SCALE_Y) {
Transform2D edit_transform;
if (!Math::is_inf(temp_pivot.x) || !Math::is_inf(temp_pivot.y)) {
edit_transform = Transform2D(ci->_edit_get_rotation(), temp_pivot);
} else {
edit_transform = ci->_edit_get_transform();
}
Transform2D unscaled_transform = (xform * ci->get_transform().affine_inverse() * edit_transform).orthonormalized();
Transform2D simple_xform = viewport->get_transform() * unscaled_transform;
Size2 scale_factor = Size2(SCALE_HANDLE_DISTANCE, SCALE_HANDLE_DISTANCE);
@ -3641,8 +3691,6 @@ void CanvasItemEditor::_draw_selection() {
viewport->draw_set_transform_matrix(viewport->get_transform());
}
}
}
}
if (drag_type == DRAG_BOX_SELECTION) {
// Draw the dragging box
@ -5356,7 +5404,7 @@ CanvasItemEditor::CanvasItemEditor() {
main_menu_hbox->add_child(pivot_button);
pivot_button->set_toggle_mode(true);
pivot_button->connect(SceneStringName(pressed), callable_mp(this, &CanvasItemEditor::_button_tool_select).bind(TOOL_EDIT_PIVOT));
pivot_button->set_tooltip_text(TTR("Click to change object's rotation pivot.") + "\n" + TTR("Shift: Set temporary rotation pivot.") + "\n" + TTR("Click this button while holding Shift to put the temporary rotation pivot in the center of the selected nodes."));
pivot_button->set_tooltip_text(TTR("Click to change object's pivot.") + "\n" + TTR("Shift: Set temporary pivot.") + "\n" + TTR("Click this button while holding Shift to put the temporary pivot in the center of the selected nodes."));
pan_button = memnew(Button);
pan_button->set_theme_type_variation("FlatButton");