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Merge pull request #34016 from norton-corbett/hotfix/tileset-editor-point-grabbing

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Fix TileSet Editor polygon point grabbing
This commit is contained in:
Rémi Verschelde 2019-12-13 08:50:21 +01:00 committed by GitHub
commit adb703bc59
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 44 additions and 14 deletions
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56
editor/plugins/tile_set_editor_plugin.cpp
View File

@ -1176,6 +1176,31 @@ void TileSetEditor::_on_workspace_overlay_draw() {
}
}
int TileSetEditor::get_grabbed_point(const Vector2 &p_mouse_pos, real_t p_grab_threshold) {
Transform2D xform = workspace->get_transform();
int grabbed_point = -1;
real_t min_distance = 1e10;
for (int i = 0; i < current_shape.size(); i++) {
const real_t distance = xform.xform(current_shape[i]).distance_to(xform.xform(p_mouse_pos));
if (distance < p_grab_threshold && distance < min_distance) {
min_distance = distance;
grabbed_point = i;
}
}
return grabbed_point;
}
bool TileSetEditor::is_within_grabbing_distance_of_first_point(const Vector2 &p_pos, real_t p_grab_threshold) {
Transform2D xform = workspace->get_transform();
const real_t distance = xform.xform(current_shape[0]).distance_to(xform.xform(p_pos));
return distance < p_grab_threshold;
}
void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
if (tileset.is_null() || !get_current_texture().is_valid())
@ -1528,18 +1553,19 @@ void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
shape_anchor.x *= (size.x + spacing);
shape_anchor.y *= (size.y + spacing);
}
const real_t grab_threshold = EDITOR_GET("editors/poly_editor/point_grab_radius");
shape_anchor += current_tile_region.position;
if (tools[TOOL_SELECT]->is_pressed()) {
if (mb.is_valid()) {
if (mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
if (edit_mode != EDITMODE_PRIORITY && current_shape.size() > 0) {
for (int i = 0; i < current_shape.size(); i++) {
if ((current_shape[i] - mb->get_position()).length_squared() <= grab_threshold) {
dragging_point = i;
workspace->update();
return;
}
int grabbed_point = get_grabbed_point(mb->get_position(), grab_threshold);
if (grabbed_point >= 0) {
dragging_point = grabbed_point;
workspace->update();
return;
}
}
if ((tileset->tile_get_tile_mode(get_current_tile()) == TileSet::AUTO_TILE || tileset->tile_get_tile_mode(get_current_tile()) == TileSet::ATLAS_TILE) && current_tile_region.has_point(mb->get_position())) {
@ -1633,13 +1659,12 @@ void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
Vector2 pos = mb->get_position();
pos = snap_point(pos);
if (creating_shape) {
if (current_shape.size() > 0) {
if ((pos - current_shape[0]).length_squared() <= grab_threshold) {
if (current_shape.size() > 2) {
close_shape(shape_anchor);
workspace->update();
return;
}
if (current_shape.size() > 2) {
if (is_within_grabbing_distance_of_first_point(mb->get_position(), grab_threshold)) {
close_shape(shape_anchor);
workspace->update();
return;
}
}
current_shape.push_back(pos);
@ -1685,12 +1710,15 @@ void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
}
} else if (!mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
if (creating_shape) {
if ((current_shape[0] - current_shape[1]).length_squared() <= grab_threshold) {
// if the first two corners are within grabbing distance of one another, expand the rect to fill the tile
if (is_within_grabbing_distance_of_first_point(current_shape[1], grab_threshold)) {
current_shape.set(0, snap_point(shape_anchor));
current_shape.set(1, snap_point(shape_anchor + Vector2(current_tile_region.size.x, 0)));
current_shape.set(2, snap_point(shape_anchor + current_tile_region.size));
current_shape.set(3, snap_point(shape_anchor + Vector2(0, current_tile_region.size.y)));
}
close_shape(shape_anchor);
workspace->update();
return;

2
editor/plugins/tile_set_editor_plugin.h
View File

@ -244,6 +244,8 @@ private:
void update_workspace_tile_mode();
void update_workspace_minsize();
void update_edited_region(const Vector2 &end_point);
int get_grabbed_point(const Vector2 &p_mouse_pos, real_t grab_threshold);
bool is_within_grabbing_distance_of_first_point(const Vector2 &p_pos, real_t p_grab_threshold);
int get_current_tile() const;
void set_current_tile(int p_id);