virtualx-engine/editor/plugins/tiles/tile_atlas_view.cpp

671 lines
29 KiB
C++

/*************************************************************************/
/* tile_atlas_view.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 "tile_atlas_view.h"
#include "core/input/input.h"
#include "core/os/keyboard.h"
#include "scene/2d/tile_map.h"
#include "scene/gui/box_container.h"
#include "scene/gui/label.h"
#include "scene/gui/panel.h"
#include "scene/gui/view_panner.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
void TileAtlasView::gui_input(const Ref<InputEvent> &p_event) {
if (panner->gui_input(p_event)) {
accept_event();
}
}
void TileAtlasView::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_pan_callback(-p_scroll_vec * 32);
}
void TileAtlasView::_pan_callback(Vector2 p_scroll_vec) {
panning += p_scroll_vec;
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
_update_zoom_and_panning(true);
}
void TileAtlasView::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
zoom_widget->set_zoom_by_increments(-p_scroll_vec.y * 2);
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
_update_zoom_and_panning(true);
}
Size2i TileAtlasView::_compute_base_tiles_control_size() {
// Update the texture.
Vector2i size;
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
if (texture.is_valid()) {
size = texture->get_size();
}
return size;
}
Size2i TileAtlasView::_compute_alternative_tiles_control_size() {
Vector2i size;
for (int i = 0; i < tile_set_atlas_source->get_tiles_count(); i++) {
Vector2i tile_id = tile_set_atlas_source->get_tile_id(i);
int alternatives_count = tile_set_atlas_source->get_alternative_tiles_count(tile_id);
Vector2i line_size;
Size2i texture_region_size = tile_set_atlas_source->get_tile_texture_region(tile_id).size;
for (int j = 1; j < alternatives_count; j++) {
int alternative_id = tile_set_atlas_source->get_alternative_tile_id(tile_id, j);
bool transposed = tile_set_atlas_source->get_tile_data(tile_id, alternative_id)->get_transpose();
line_size.x += transposed ? texture_region_size.y : texture_region_size.x;
line_size.y = MAX(line_size.y, transposed ? texture_region_size.x : texture_region_size.y);
}
size.x = MAX(size.x, line_size.x);
size.y += line_size.y;
}
return size;
}
void TileAtlasView::_update_zoom_and_panning(bool p_zoom_on_mouse_pos) {
float zoom = zoom_widget->get_zoom();
// Compute the minimum sizes.
Size2i base_tiles_control_size = _compute_base_tiles_control_size();
base_tiles_root_control->set_custom_minimum_size(Vector2(base_tiles_control_size) * zoom);
Size2i alternative_tiles_control_size = _compute_alternative_tiles_control_size();
alternative_tiles_root_control->set_custom_minimum_size(Vector2(alternative_tiles_control_size) * zoom);
// Set the texture for the base tiles.
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
// Set the scales.
if (base_tiles_control_size.x > 0 && base_tiles_control_size.y > 0) {
base_tiles_drawing_root->set_scale(Vector2(zoom, zoom));
} else {
base_tiles_drawing_root->set_scale(Vector2(1, 1));
}
if (alternative_tiles_control_size.x > 0 && alternative_tiles_control_size.y > 0) {
alternative_tiles_drawing_root->set_scale(Vector2(zoom, zoom));
} else {
alternative_tiles_drawing_root->set_scale(Vector2(1, 1));
}
// Update the margin container's margins.
const char *constants[] = { "margin_left", "margin_top", "margin_right", "margin_bottom" };
for (int i = 0; i < 4; i++) {
margin_container->add_theme_constant_override(constants[i], margin_container_paddings[i] * zoom);
}
// Update the backgrounds.
background_left->update();
background_right->update();
// Zoom on the position.
if (p_zoom_on_mouse_pos) {
// Offset the panning relative to the center of panel.
Vector2 relative_mpos = get_local_mouse_position() - get_size() / 2;
panning = (panning - relative_mpos) * zoom / previous_zoom + relative_mpos;
} else {
// Center of panel.
panning = panning * zoom / previous_zoom;
}
button_center_view->set_disabled(panning.is_equal_approx(Vector2()));
previous_zoom = zoom;
center_container->set_begin(panning - center_container->get_minimum_size() / 2);
center_container->set_size(center_container->get_minimum_size());
}
void TileAtlasView::_zoom_widget_changed() {
_update_zoom_and_panning();
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
}
void TileAtlasView::_center_view() {
panning = Vector2();
button_center_view->set_disabled(true);
_update_zoom_and_panning();
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
}
void TileAtlasView::_base_tiles_root_control_gui_input(const Ref<InputEvent> &p_event) {
base_tiles_root_control->set_tooltip("");
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
Transform2D xform = base_tiles_drawing_root->get_transform().affine_inverse();
Vector2i coords = get_atlas_tile_coords_at_pos(xform.xform(mm->get_position()));
if (coords != TileSetSource::INVALID_ATLAS_COORDS) {
coords = tile_set_atlas_source->get_tile_at_coords(coords);
if (coords != TileSetSource::INVALID_ATLAS_COORDS) {
base_tiles_root_control->set_tooltip(vformat(TTR("Source: %d\nAtlas coordinates: %s\nAlternative: 0"), source_id, coords));
}
}
}
}
void TileAtlasView::_draw_base_tiles() {
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
if (texture.is_valid()) {
Vector2i margins = tile_set_atlas_source->get_margins();
Vector2i separation = tile_set_atlas_source->get_separation();
Vector2i texture_region_size = tile_set_atlas_source->get_texture_region_size();
Size2i grid_size = tile_set_atlas_source->get_atlas_grid_size();
// Draw the texture where there is no tile.
for (int x = 0; x < grid_size.x; x++) {
for (int y = 0; y < grid_size.y; y++) {
Vector2i coords = Vector2i(x, y);
if (tile_set_atlas_source->get_tile_at_coords(coords) == TileSetSource::INVALID_ATLAS_COORDS) {
Rect2i rect = Rect2i((texture_region_size + separation) * coords + margins, texture_region_size + separation);
rect = rect.intersection(Rect2i(Vector2(), texture->get_size()));
if (rect.size.x > 0 && rect.size.y > 0) {
base_tiles_draw->draw_texture_rect_region(texture, rect, rect);
base_tiles_draw->draw_rect(rect, Color(0.0, 0.0, 0.0, 0.5));
}
}
}
}
// Draw the texture around the grid.
Rect2i rect;
// Top.
rect.position = Vector2i();
rect.set_end(Vector2i(texture->get_size().x, margins.y));
base_tiles_draw->draw_texture_rect_region(texture, rect, rect);
base_tiles_draw->draw_rect(rect, Color(0.0, 0.0, 0.0, 0.5));
// Bottom
int bottom_border = margins.y + (grid_size.y * (texture_region_size.y + separation.y));
if (bottom_border < texture->get_size().y) {
rect.position = Vector2i(0, bottom_border);
rect.set_end(texture->get_size());
base_tiles_draw->draw_texture_rect_region(texture, rect, rect);
base_tiles_draw->draw_rect(rect, Color(0.0, 0.0, 0.0, 0.5));
}
// Left
rect.position = Vector2i(0, margins.y);
rect.set_end(Vector2i(margins.x, margins.y + (grid_size.y * (texture_region_size.y + separation.y))));
base_tiles_draw->draw_texture_rect_region(texture, rect, rect);
base_tiles_draw->draw_rect(rect, Color(0.0, 0.0, 0.0, 0.5));
// Right.
int right_border = margins.x + (grid_size.x * (texture_region_size.x + separation.x));
if (right_border < texture->get_size().x) {
rect.position = Vector2i(right_border, margins.y);
rect.set_end(Vector2i(texture->get_size().x, margins.y + (grid_size.y * (texture_region_size.y + separation.y))));
base_tiles_draw->draw_texture_rect_region(texture, rect, rect);
base_tiles_draw->draw_rect(rect, Color(0.0, 0.0, 0.0, 0.5));
}
// Draw actual tiles, using their properties (modulation, etc...)
for (int i = 0; i < tile_set_atlas_source->get_tiles_count(); i++) {
Vector2i atlas_coords = tile_set_atlas_source->get_tile_id(i);
for (int frame = 0; frame < tile_set_atlas_source->get_tile_animation_frames_count(atlas_coords); frame++) {
// Update the y to max value.
Rect2i base_frame_rect = tile_set_atlas_source->get_tile_texture_region(atlas_coords, frame);
Vector2i offset_pos = base_frame_rect.get_center() + tile_set_atlas_source->get_tile_effective_texture_offset(atlas_coords, 0);
// Draw the tile.
TileMap::draw_tile(base_tiles_draw->get_canvas_item(), offset_pos, tile_set, source_id, atlas_coords, 0, frame);
// Draw, the texture in the separation areas
if (separation.x > 0) {
Rect2i right_sep_rect = Rect2i(base_frame_rect.get_position() + Vector2i(base_frame_rect.size.x, 0), Vector2i(separation.x, base_frame_rect.size.y));
right_sep_rect = right_sep_rect.intersection(Rect2i(Vector2(), texture->get_size()));
if (right_sep_rect.size.x > 0 && right_sep_rect.size.y > 0) {
base_tiles_draw->draw_texture_rect_region(texture, right_sep_rect, right_sep_rect);
base_tiles_draw->draw_rect(right_sep_rect, Color(0.0, 0.0, 0.0, 0.5));
}
}
if (separation.y > 0) {
Rect2i bottom_sep_rect = Rect2i(base_frame_rect.get_position() + Vector2i(0, base_frame_rect.size.y), Vector2i(base_frame_rect.size.x + separation.x, separation.y));
bottom_sep_rect = bottom_sep_rect.intersection(Rect2i(Vector2(), texture->get_size()));
if (bottom_sep_rect.size.x > 0 && bottom_sep_rect.size.y > 0) {
base_tiles_draw->draw_texture_rect_region(texture, bottom_sep_rect, bottom_sep_rect);
base_tiles_draw->draw_rect(bottom_sep_rect, Color(0.0, 0.0, 0.0, 0.5));
}
}
}
}
}
}
void TileAtlasView::_draw_base_tiles_texture_grid() {
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
if (texture.is_valid()) {
Vector2i margins = tile_set_atlas_source->get_margins();
Vector2i separation = tile_set_atlas_source->get_separation();
Vector2i texture_region_size = tile_set_atlas_source->get_texture_region_size();
Size2i grid_size = tile_set_atlas_source->get_atlas_grid_size();
// Draw each tile texture region.
for (int x = 0; x < grid_size.x; x++) {
for (int y = 0; y < grid_size.y; y++) {
Vector2i origin = margins + (Vector2i(x, y) * (texture_region_size + separation));
Vector2i base_tile_coords = tile_set_atlas_source->get_tile_at_coords(Vector2i(x, y));
if (base_tile_coords != TileSetSource::INVALID_ATLAS_COORDS) {
if (base_tile_coords == Vector2i(x, y)) {
// Draw existing tile.
Vector2i size_in_atlas = tile_set_atlas_source->get_tile_size_in_atlas(base_tile_coords);
Vector2 region_size = texture_region_size * size_in_atlas + separation * (size_in_atlas - Vector2i(1, 1));
base_tiles_texture_grid->draw_rect(Rect2i(origin, region_size), Color(1.0, 1.0, 1.0, 0.8), false);
}
} else {
// Draw the grid.
base_tiles_texture_grid->draw_rect(Rect2i(origin, texture_region_size), Color(0.7, 0.7, 0.7, 0.1), false);
}
}
}
}
}
void TileAtlasView::_draw_base_tiles_shape_grid() {
// Draw the shapes.
Color grid_color = EditorSettings::get_singleton()->get("editors/tiles_editor/grid_color");
Vector2i tile_shape_size = tile_set->get_tile_size();
for (int i = 0; i < tile_set_atlas_source->get_tiles_count(); i++) {
Vector2i tile_id = tile_set_atlas_source->get_tile_id(i);
Vector2 in_tile_base_offset = tile_set_atlas_source->get_tile_effective_texture_offset(tile_id, 0);
for (int frame = 0; frame < tile_set_atlas_source->get_tile_animation_frames_count(tile_id); frame++) {
Color color = grid_color;
if (frame > 0) {
color.a *= 0.3;
}
Rect2i texture_region = tile_set_atlas_source->get_tile_texture_region(tile_id);
Transform2D tile_xform;
tile_xform.set_origin(texture_region.get_center() + in_tile_base_offset);
tile_xform.set_scale(tile_shape_size);
tile_set->draw_tile_shape(base_tiles_shape_grid, tile_xform, color);
}
}
}
void TileAtlasView::_alternative_tiles_root_control_gui_input(const Ref<InputEvent> &p_event) {
alternative_tiles_root_control->set_tooltip("");
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
Transform2D xform = alternative_tiles_drawing_root->get_transform().affine_inverse();
Vector3i coords3 = get_alternative_tile_at_pos(xform.xform(mm->get_position()));
Vector2i coords = Vector2i(coords3.x, coords3.y);
int alternative_id = coords3.z;
if (coords != TileSetSource::INVALID_ATLAS_COORDS && alternative_id != TileSetSource::INVALID_TILE_ALTERNATIVE) {
alternative_tiles_root_control->set_tooltip(vformat(TTR("Source: %d\nAtlas coordinates: %s\nAlternative: %d"), source_id, coords, alternative_id));
}
}
}
void TileAtlasView::_draw_alternatives() {
// Draw the alternative tiles.
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
if (texture.is_valid()) {
Vector2 current_pos;
for (int i = 0; i < tile_set_atlas_source->get_tiles_count(); i++) {
Vector2i atlas_coords = tile_set_atlas_source->get_tile_id(i);
current_pos.x = 0;
int y_increment = 0;
Size2i texture_region_size = tile_set_atlas_source->get_tile_texture_region(atlas_coords).size;
int alternatives_count = tile_set_atlas_source->get_alternative_tiles_count(atlas_coords);
for (int j = 1; j < alternatives_count; j++) {
int alternative_id = tile_set_atlas_source->get_alternative_tile_id(atlas_coords, j);
TileData *tile_data = tile_set_atlas_source->get_tile_data(atlas_coords, alternative_id);
bool transposed = tile_data->get_transpose();
// Update the y to max value.
Vector2i offset_pos = current_pos;
if (transposed) {
offset_pos = (current_pos + Vector2(texture_region_size.y, texture_region_size.x) / 2 + tile_set_atlas_source->get_tile_effective_texture_offset(atlas_coords, alternative_id));
y_increment = MAX(y_increment, texture_region_size.x);
} else {
offset_pos = (current_pos + texture_region_size / 2 + tile_set_atlas_source->get_tile_effective_texture_offset(atlas_coords, alternative_id));
y_increment = MAX(y_increment, texture_region_size.y);
}
// Draw the tile.
TileMap::draw_tile(alternatives_draw->get_canvas_item(), offset_pos, tile_set, source_id, atlas_coords, alternative_id);
// Increment the x position.
current_pos.x += transposed ? texture_region_size.y : texture_region_size.x;
}
if (alternatives_count > 1) {
current_pos.y += y_increment;
}
}
}
}
void TileAtlasView::_draw_background_left() {
Ref<Texture2D> texture = get_theme_icon(SNAME("Checkerboard"), SNAME("EditorIcons"));
background_left->set_size(base_tiles_root_control->get_custom_minimum_size());
background_left->draw_texture_rect(texture, Rect2(Vector2(), background_left->get_size()), true);
}
void TileAtlasView::_draw_background_right() {
Ref<Texture2D> texture = get_theme_icon(SNAME("Checkerboard"), SNAME("EditorIcons"));
background_right->set_size(alternative_tiles_root_control->get_custom_minimum_size());
background_right->draw_texture_rect(texture, Rect2(Vector2(), background_right->get_size()), true);
}
void TileAtlasView::set_atlas_source(TileSet *p_tile_set, TileSetAtlasSource *p_tile_set_atlas_source, int p_source_id) {
ERR_FAIL_COND(!p_tile_set);
ERR_FAIL_COND(!p_tile_set_atlas_source);
ERR_FAIL_COND(p_source_id < 0);
ERR_FAIL_COND(p_tile_set->get_source(p_source_id) != p_tile_set_atlas_source);
tile_set = p_tile_set;
tile_set_atlas_source = p_tile_set_atlas_source;
source_id = p_source_id;
// Show or hide the view.
bool valid = tile_set_atlas_source->get_texture().is_valid();
hbox->set_visible(valid);
missing_source_label->set_visible(!valid);
// Update the rect cache.
_update_alternative_tiles_rect_cache();
// Update everything.
_update_zoom_and_panning();
// Change children control size.
Size2i base_tiles_control_size = _compute_base_tiles_control_size();
for (int i = 0; i < base_tiles_drawing_root->get_child_count(); i++) {
Control *control = Object::cast_to<Control>(base_tiles_drawing_root->get_child(i));
if (control) {
control->set_size(base_tiles_control_size);
}
}
Size2i alternative_control_size = _compute_alternative_tiles_control_size();
for (int i = 0; i < alternative_tiles_drawing_root->get_child_count(); i++) {
Control *control = Object::cast_to<Control>(alternative_tiles_drawing_root->get_child(i));
if (control) {
control->set_size(alternative_control_size);
}
}
// Update.
base_tiles_draw->update();
base_tiles_texture_grid->update();
base_tiles_shape_grid->update();
alternatives_draw->update();
background_left->update();
background_right->update();
}
float TileAtlasView::get_zoom() const {
return zoom_widget->get_zoom();
};
void TileAtlasView::set_transform(float p_zoom, Vector2i p_panning) {
zoom_widget->set_zoom(p_zoom);
panning = p_panning;
_update_zoom_and_panning();
};
void TileAtlasView::set_padding(Side p_side, int p_padding) {
ERR_FAIL_COND(p_padding < 0);
margin_container_paddings[p_side] = p_padding;
}
Vector2i TileAtlasView::get_atlas_tile_coords_at_pos(const Vector2 p_pos) const {
Ref<Texture2D> texture = tile_set_atlas_source->get_texture();
if (texture.is_valid()) {
Vector2i margins = tile_set_atlas_source->get_margins();
Vector2i separation = tile_set_atlas_source->get_separation();
Vector2i texture_region_size = tile_set_atlas_source->get_texture_region_size();
// Compute index in atlas
Vector2 pos = p_pos - margins;
Vector2i ret = (pos / (texture_region_size + separation)).floor();
return ret;
}
return TileSetSource::INVALID_ATLAS_COORDS;
}
void TileAtlasView::_update_alternative_tiles_rect_cache() {
alternative_tiles_rect_cache.clear();
Rect2i current;
for (int i = 0; i < tile_set_atlas_source->get_tiles_count(); i++) {
Vector2i tile_id = tile_set_atlas_source->get_tile_id(i);
int alternatives_count = tile_set_atlas_source->get_alternative_tiles_count(tile_id);
Size2i texture_region_size = tile_set_atlas_source->get_tile_texture_region(tile_id).size;
int line_height = 0;
for (int j = 1; j < alternatives_count; j++) {
int alternative_id = tile_set_atlas_source->get_alternative_tile_id(tile_id, j);
TileData *tile_data = tile_set_atlas_source->get_tile_data(tile_id, alternative_id);
bool transposed = tile_data->get_transpose();
current.size = transposed ? Vector2i(texture_region_size.y, texture_region_size.x) : texture_region_size;
// Update the rect.
if (!alternative_tiles_rect_cache.has(tile_id)) {
alternative_tiles_rect_cache[tile_id] = Map<int, Rect2i>();
}
alternative_tiles_rect_cache[tile_id][alternative_id] = current;
current.position.x += transposed ? texture_region_size.y : texture_region_size.x;
line_height = MAX(line_height, transposed ? texture_region_size.x : texture_region_size.y);
}
current.position.x = 0;
current.position.y += line_height;
}
}
Vector3i TileAtlasView::get_alternative_tile_at_pos(const Vector2 p_pos) const {
for (const KeyValue<Vector2, Map<int, Rect2i>> &E_coords : alternative_tiles_rect_cache) {
for (const KeyValue<int, Rect2i> &E_alternative : E_coords.value) {
if (E_alternative.value.has_point(p_pos)) {
return Vector3i(E_coords.key.x, E_coords.key.y, E_alternative.key);
}
}
}
return Vector3i(TileSetSource::INVALID_ATLAS_COORDS.x, TileSetSource::INVALID_ATLAS_COORDS.y, TileSetSource::INVALID_TILE_ALTERNATIVE);
}
Rect2i TileAtlasView::get_alternative_tile_rect(const Vector2i p_coords, int p_alternative_tile) {
ERR_FAIL_COND_V_MSG(!alternative_tiles_rect_cache.has(p_coords), Rect2i(), vformat("No cached rect for tile coords:%s", p_coords));
ERR_FAIL_COND_V_MSG(!alternative_tiles_rect_cache[p_coords].has(p_alternative_tile), Rect2i(), vformat("No cached rect for tile coords:%s alternative_id:%d", p_coords, p_alternative_tile));
return alternative_tiles_rect_cache[p_coords][p_alternative_tile];
}
void TileAtlasView::update() {
base_tiles_draw->update();
base_tiles_texture_grid->update();
base_tiles_shape_grid->update();
alternatives_draw->update();
background_left->update();
background_right->update();
}
void TileAtlasView::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED:
panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/sub_editors_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EditorSettings::get_singleton()->get("editors/panning/simple_panning")));
break;
case NOTIFICATION_READY:
button_center_view->set_icon(get_theme_icon(SNAME("CenterView"), SNAME("EditorIcons")));
break;
}
}
void TileAtlasView::_bind_methods() {
ADD_SIGNAL(MethodInfo("transform_changed", PropertyInfo(Variant::FLOAT, "zoom"), PropertyInfo(Variant::VECTOR2, "scroll")));
}
TileAtlasView::TileAtlasView() {
set_texture_filter(CanvasItem::TEXTURE_FILTER_NEAREST);
Panel *panel = memnew(Panel);
panel->set_clip_contents(true);
panel->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
panel->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
panel->set_h_size_flags(SIZE_EXPAND_FILL);
panel->set_v_size_flags(SIZE_EXPAND_FILL);
add_child(panel);
// Scrollingsc
zoom_widget = memnew(EditorZoomWidget);
add_child(zoom_widget);
zoom_widget->set_anchors_and_offsets_preset(Control::PRESET_TOP_LEFT, Control::PRESET_MODE_MINSIZE, 2 * EDSCALE);
zoom_widget->connect("zoom_changed", callable_mp(this, &TileAtlasView::_zoom_widget_changed).unbind(1));
button_center_view = memnew(Button);
button_center_view->set_icon(get_theme_icon(SNAME("CenterView"), SNAME("EditorIcons")));
button_center_view->set_anchors_and_offsets_preset(Control::PRESET_TOP_RIGHT, Control::PRESET_MODE_MINSIZE, 5);
button_center_view->connect("pressed", callable_mp(this, &TileAtlasView::_center_view));
button_center_view->set_flat(true);
button_center_view->set_disabled(true);
button_center_view->set_tooltip(TTR("Center View"));
add_child(button_center_view);
panner.instantiate();
panner->set_callbacks(callable_mp(this, &TileAtlasView::_scroll_callback), callable_mp(this, &TileAtlasView::_pan_callback), callable_mp(this, &TileAtlasView::_zoom_callback));
panner->set_enable_rmb(true);
center_container = memnew(CenterContainer);
center_container->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
center_container->set_anchors_preset(Control::PRESET_CENTER);
center_container->connect("gui_input", callable_mp(this, &TileAtlasView::gui_input));
center_container->connect("focus_exited", callable_mp(panner.ptr(), &ViewPanner::release_pan_key));
center_container->set_focus_mode(FOCUS_CLICK);
panel->add_child(center_container);
missing_source_label = memnew(Label);
missing_source_label->set_text(TTR("No atlas source with a valid texture selected."));
center_container->add_child(missing_source_label);
margin_container = memnew(MarginContainer);
margin_container->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
center_container->add_child(margin_container);
hbox = memnew(HBoxContainer);
hbox->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
hbox->add_theme_constant_override("separation", 10);
hbox->hide();
margin_container->add_child(hbox);
VBoxContainer *left_vbox = memnew(VBoxContainer);
left_vbox->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
hbox->add_child(left_vbox);
VBoxContainer *right_vbox = memnew(VBoxContainer);
right_vbox->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
hbox->add_child(right_vbox);
// Base tiles.
Label *base_tile_label = memnew(Label);
base_tile_label->set_mouse_filter(Control::MOUSE_FILTER_PASS);
base_tile_label->set_text(TTR("Base Tiles"));
base_tile_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
left_vbox->add_child(base_tile_label);
base_tiles_root_control = memnew(Control);
base_tiles_root_control->set_mouse_filter(Control::MOUSE_FILTER_PASS);
base_tiles_root_control->set_v_size_flags(Control::SIZE_EXPAND_FILL);
base_tiles_root_control->connect("gui_input", callable_mp(this, &TileAtlasView::_base_tiles_root_control_gui_input));
left_vbox->add_child(base_tiles_root_control);
background_left = memnew(Control);
background_left->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
background_left->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
background_left->set_texture_repeat(TextureRepeat::TEXTURE_REPEAT_ENABLED);
background_left->connect("draw", callable_mp(this, &TileAtlasView::_draw_background_left));
base_tiles_root_control->add_child(background_left);
base_tiles_drawing_root = memnew(Control);
base_tiles_drawing_root->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
base_tiles_drawing_root->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
base_tiles_drawing_root->set_texture_filter(TEXTURE_FILTER_NEAREST);
base_tiles_root_control->add_child(base_tiles_drawing_root);
base_tiles_draw = memnew(Control);
base_tiles_draw->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
base_tiles_draw->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
base_tiles_draw->connect("draw", callable_mp(this, &TileAtlasView::_draw_base_tiles));
base_tiles_drawing_root->add_child(base_tiles_draw);
base_tiles_texture_grid = memnew(Control);
base_tiles_texture_grid->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
base_tiles_texture_grid->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
base_tiles_texture_grid->connect("draw", callable_mp(this, &TileAtlasView::_draw_base_tiles_texture_grid));
base_tiles_drawing_root->add_child(base_tiles_texture_grid);
base_tiles_shape_grid = memnew(Control);
base_tiles_shape_grid->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
base_tiles_shape_grid->set_anchors_and_offsets_preset(Control::PRESET_WIDE);
base_tiles_shape_grid->connect("draw", callable_mp(this, &TileAtlasView::_draw_base_tiles_shape_grid));
base_tiles_drawing_root->add_child(base_tiles_shape_grid);
// Alternative tiles.
Label *alternative_tiles_label = memnew(Label);
alternative_tiles_label->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
alternative_tiles_label->set_text(TTR("Alternative Tiles"));
alternative_tiles_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
right_vbox->add_child(alternative_tiles_label);
alternative_tiles_root_control = memnew(Control);
alternative_tiles_root_control->set_mouse_filter(Control::MOUSE_FILTER_PASS);
alternative_tiles_root_control->connect("gui_input", callable_mp(this, &TileAtlasView::_alternative_tiles_root_control_gui_input));
right_vbox->add_child(alternative_tiles_root_control);
background_right = memnew(Control);
background_right->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
background_right->set_texture_repeat(TextureRepeat::TEXTURE_REPEAT_ENABLED);
background_right->connect("draw", callable_mp(this, &TileAtlasView::_draw_background_right));
alternative_tiles_root_control->add_child(background_right);
alternative_tiles_drawing_root = memnew(Control);
alternative_tiles_drawing_root->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
alternative_tiles_drawing_root->set_texture_filter(TEXTURE_FILTER_NEAREST);
alternative_tiles_root_control->add_child(alternative_tiles_drawing_root);
alternatives_draw = memnew(Control);
alternatives_draw->set_mouse_filter(Control::MOUSE_FILTER_IGNORE);
alternatives_draw->connect("draw", callable_mp(this, &TileAtlasView::_draw_alternatives));
alternative_tiles_drawing_root->add_child(alternatives_draw);
}