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Add primary grid lines to the 2D editor

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A "primary" line is drawn every 8 steps by default,
which makes it easier to measure distances for snapping.

This value can be configured in the Configure Snap dialog.
This commit is contained in:
Hugo Locurcio 2019-10-15 10:23:38 +02:00
parent b8daad9779
commit c7e5dd9ef0
No known key found for this signature in database
GPG Key ID: 39E8F8BE30B0A49C
2 changed files with 82 additions and 23 deletions
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104
editor/plugins/canvas_item_editor_plugin.cpp
View File

@ -67,6 +67,7 @@ class SnapDialog : public ConfirmationDialog {
SpinBox *grid_offset_y;
SpinBox *grid_step_x;
SpinBox *grid_step_y;
SpinBox *primary_grid_steps;
SpinBox *rotation_offset;
SpinBox *rotation_step;
@ -132,6 +133,24 @@ public:
grid_step_y->set_h_size_flags(SIZE_EXPAND_FILL);
child_container->add_child(grid_step_y);
label = memnew(Label);
label->set_text(TTR("Primary Line Every"));
label->set_h_size_flags(SIZE_EXPAND_FILL);
child_container->add_child(label);
primary_grid_steps = memnew(SpinBox);
primary_grid_steps->set_min(0);
primary_grid_steps->set_step(1);
primary_grid_steps->set_max(100);
primary_grid_steps->set_allow_greater(true);
primary_grid_steps->set_h_size_flags(SIZE_EXPAND_FILL);
child_container->add_child(primary_grid_steps);
label = memnew(Label);
label->set_text(TTR("steps"));
label->set_h_size_flags(SIZE_EXPAND_FILL);
child_container->add_child(label);
container->add_child(memnew(HSeparator));
child_container = memnew(GridContainer);
@ -163,18 +182,20 @@ public:
child_container->add_child(rotation_step);
}
void set_fields(const Point2 p_grid_offset, const Point2 p_grid_step, const float p_rotation_offset, const float p_rotation_step) {
void set_fields(const Point2 p_grid_offset, const Point2 p_grid_step, const int p_primary_grid_steps, const float p_rotation_offset, const float p_rotation_step) {
grid_offset_x->set_value(p_grid_offset.x);
grid_offset_y->set_value(p_grid_offset.y);
grid_step_x->set_value(p_grid_step.x);
grid_step_y->set_value(p_grid_step.y);
primary_grid_steps->set_value(p_primary_grid_steps);
rotation_offset->set_value(p_rotation_offset * (180 / Math_PI));
rotation_step->set_value(p_rotation_step * (180 / Math_PI));
}
void get_fields(Point2 &p_grid_offset, Point2 &p_grid_step, float &p_rotation_offset, float &p_rotation_step) {
void get_fields(Point2 &p_grid_offset, Point2 &p_grid_step, int &p_primary_grid_steps, float &p_rotation_offset, float &p_rotation_step) {
p_grid_offset = Point2(grid_offset_x->get_value(), grid_offset_y->get_value());
p_grid_step = Point2(grid_step_x->get_value(), grid_step_y->get_value());
p_primary_grid_steps = int(primary_grid_steps->get_value());
p_rotation_offset = rotation_offset->get_value() / (180 / Math_PI);
p_rotation_step = rotation_step->get_value() / (180 / Math_PI);
}
@ -898,7 +919,7 @@ void CanvasItemEditor::_commit_canvas_item_state(List<CanvasItem *> p_canvas_ite
}
void CanvasItemEditor::_snap_changed() {
((SnapDialog *)snap_dialog)->get_fields(grid_offset, grid_step, snap_rotation_offset, snap_rotation_step);
((SnapDialog *)snap_dialog)->get_fields(grid_offset, grid_step, primary_grid_steps, snap_rotation_offset, snap_rotation_step);
grid_step_multiplier = 0;
viewport->update();
}
@ -2639,41 +2660,72 @@ void CanvasItemEditor::_draw_rulers() {
}
void CanvasItemEditor::_draw_grid() {
if (show_grid || grid_snap_active) {
//Draw the grid
Size2 s = viewport->get_size();
int last_cell = 0;
Transform2D xform = transform.affine_inverse();
if (show_grid || grid_snap_active) {
// Draw the grid
Vector2 real_grid_offset;
List<CanvasItem *> selection = _get_edited_canvas_items();
const List<CanvasItem *> selection = _get_edited_canvas_items();
if (snap_relative && selection.size() > 0) {
Vector2 topleft = _get_encompassing_rect_from_list(selection).position;
const Vector2 topleft = _get_encompassing_rect_from_list(selection).position;
real_grid_offset.x = fmod(topleft.x, grid_step.x * (real_t)Math::pow(2.0, grid_step_multiplier));
real_grid_offset.y = fmod(topleft.y, grid_step.y * (real_t)Math::pow(2.0, grid_step_multiplier));
} else {
real_grid_offset = grid_offset;
}
const Color grid_color = EditorSettings::get_singleton()->get("editors/2d/grid_color");
// Draw a "primary" line every several lines to make measurements easier.
// The step is configurable in the Configure Snap dialog.
const Color secondary_grid_color = EditorSettings::get_singleton()->get("editors/2d/grid_color");
const Color primary_grid_color =
Color(secondary_grid_color.r, secondary_grid_color.g, secondary_grid_color.b, secondary_grid_color.a * 2.5);
const Size2 viewport_size = viewport->get_size();
const Transform2D xform = transform.affine_inverse();
int last_cell = 0;
if (grid_step.x != 0) {
for (int i = 0; i < s.width; i++) {
int cell = Math::fast_ftoi(Math::floor((xform.xform(Vector2(i, 0)).x - real_grid_offset.x) / (grid_step.x * Math::pow(2.0, grid_step_multiplier))));
if (i == 0)
for (int i = 0; i < viewport_size.width; i++) {
const int cell =
Math::fast_ftoi(Math::floor((xform.xform(Vector2(i, 0)).x - real_grid_offset.x) / (grid_step.x * Math::pow(2.0, grid_step_multiplier))));
if (i == 0) {
last_cell = cell;
if (last_cell != cell)
viewport->draw_line(Point2(i, 0), Point2(i, s.height), grid_color, Math::round(EDSCALE));
}
if (last_cell != cell) {
Color grid_color;
if (primary_grid_steps == 0) {
grid_color = secondary_grid_color;
} else {
grid_color = cell % primary_grid_steps == 0 ? primary_grid_color : secondary_grid_color;
}
viewport->draw_line(Point2(i, 0), Point2(i, viewport_size.height), grid_color, Math::round(EDSCALE));
}
last_cell = cell;
}
}
if (grid_step.y != 0) {
for (int i = 0; i < s.height; i++) {
int cell = Math::fast_ftoi(Math::floor((xform.xform(Vector2(0, i)).y - real_grid_offset.y) / (grid_step.y * Math::pow(2.0, grid_step_multiplier))));
if (i == 0)
for (int i = 0; i < viewport_size.height; i++) {
const int cell =
Math::fast_ftoi(Math::floor((xform.xform(Vector2(0, i)).y - real_grid_offset.y) / (grid_step.y * Math::pow(2.0, grid_step_multiplier))));
if (i == 0) {
last_cell = cell;
if (last_cell != cell)
viewport->draw_line(Point2(0, i), Point2(s.width, i), grid_color, Math::round(EDSCALE));
}
if (last_cell != cell) {
Color grid_color;
if (primary_grid_steps == 0) {
grid_color = secondary_grid_color;
} else {
grid_color = cell % primary_grid_steps == 0 ? primary_grid_color : secondary_grid_color;
}
viewport->draw_line(Point2(0, i), Point2(viewport_size.width, i), grid_color, Math::round(EDSCALE));
}
last_cell = cell;
}
}
@ -4309,8 +4361,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
snap_config_menu->get_popup()->set_item_checked(idx, snap_pixel);
} break;
case SNAP_CONFIGURE: {
((SnapDialog *)snap_dialog)->set_fields(grid_offset, grid_step, snap_rotation_offset, snap_rotation_step);
snap_dialog->popup_centered(Size2(220, 160));
((SnapDialog *)snap_dialog)->set_fields(grid_offset, grid_step, primary_grid_steps, snap_rotation_offset, snap_rotation_step);
snap_dialog->popup_centered(Size2(220, 160) * EDSCALE);
} break;
case SKELETON_SHOW_BONES: {
skeleton_show_bones = !skeleton_show_bones;
@ -4857,6 +4909,7 @@ Dictionary CanvasItemEditor::get_state() const {
state["ofs"] = view_offset;
state["grid_offset"] = grid_offset;
state["grid_step"] = grid_step;
state["primary_grid_steps"] = primary_grid_steps;
state["snap_rotation_offset"] = snap_rotation_offset;
state["snap_rotation_step"] = snap_rotation_step;
state["smart_snap_active"] = smart_snap_active;
@ -4905,6 +4958,10 @@ void CanvasItemEditor::set_state(const Dictionary &p_state) {
grid_step = state["grid_step"];
}
if (state.has("primary_grid_steps")) {
primary_grid_steps = state["primary_grid_steps"];
}
if (state.has("snap_rotation_step")) {
snap_rotation_step = state["snap_rotation_step"];
}
@ -5094,6 +5151,7 @@ CanvasItemEditor::CanvasItemEditor(EditorNode *p_editor) {
previous_update_view_offset = view_offset; // Moves the view a little bit to the left so that (0,0) is visible. The values a relative to a 16/10 screen
grid_offset = Point2();
grid_step = Point2(10, 10);
primary_grid_steps = 8; // A power-of-two value works better as a default
grid_step_multiplier = 0;
snap_rotation_offset = 0;
snap_rotation_step = 15 / (180 / Math_PI);

1
editor/plugins/canvas_item_editor_plugin.h
View File

@ -255,6 +255,7 @@ private:
Point2 grid_offset;
Point2 grid_step;
int primary_grid_steps;
int grid_step_multiplier;
float snap_rotation_step;