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Add a split editor to polygon 2D UV editor, moving an inch closer to adding support for in the future

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This commit is contained in:
Juan Linietsky 2018-02-25 12:06:30 -03:00
parent eec9261a75
commit 125fc8cc44
6 changed files with 446 additions and 18 deletions
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72
editor/icons/icon_add_split.svg Normal file
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@ -0,0 +1,72 @@
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95
editor/icons/icon_delete_split.svg Normal file
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@ -0,0 +1,95 @@
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192
editor/plugins/polygon_2d_editor_plugin.cpp
View file

@ -64,6 +64,8 @@ void Polygon2DEditor::_notification(int p_what) {
uv_button[UV_MODE_MOVE]->set_icon(get_icon("ToolMove", "EditorIcons"));
uv_button[UV_MODE_ROTATE]->set_icon(get_icon("ToolRotate", "EditorIcons"));
uv_button[UV_MODE_SCALE]->set_icon(get_icon("ToolScale", "EditorIcons"));
uv_button[UV_MODE_ADD_SPLIT]->set_icon(get_icon("AddSplit", "EditorIcons"));
uv_button[UV_MODE_REMOVE_SPLIT]->set_icon(get_icon("DeleteSplit", "EditorIcons"));
b_snap_grid->set_icon(get_icon("Grid", "EditorIcons"));
b_snap_enable->set_icon(get_icon("SnapGrid", "EditorIcons"));
@ -79,12 +81,28 @@ void Polygon2DEditor::_notification(int p_what) {
void Polygon2DEditor::_uv_edit_mode_select(int p_mode) {
if (p_mode == 0) {
if (uv_button[UV_MODE_CREATE]->is_pressed()) {
_uv_mode(1);
}
uv_button[UV_MODE_CREATE]->hide();
for (int i = UV_MODE_MOVE; i <= UV_MODE_SCALE; i++) {
uv_button[i]->show();
}
uv_button[UV_MODE_ADD_SPLIT]->hide();
uv_button[UV_MODE_REMOVE_SPLIT]->hide();
_uv_mode(UV_MODE_EDIT_POINT);
} else if (p_mode == 1) {
for (int i = 0; i <= UV_MODE_SCALE; i++) {
uv_button[i]->show();
}
uv_button[UV_MODE_ADD_SPLIT]->hide();
uv_button[UV_MODE_REMOVE_SPLIT]->hide();
_uv_mode(UV_MODE_EDIT_POINT);
} else {
uv_button[UV_MODE_CREATE]->show();
for (int i = 0; i <= UV_MODE_SCALE; i++) {
uv_button[i]->hide();
}
uv_button[UV_MODE_ADD_SPLIT]->show();
uv_button[UV_MODE_REMOVE_SPLIT]->show();
_uv_mode(UV_MODE_ADD_SPLIT);
}
uv_edit_draw->update();
@ -195,6 +213,10 @@ void Polygon2DEditor::_set_snap_step_y(float p_val) {
void Polygon2DEditor::_uv_mode(int p_mode) {
split_create = false;
uv_drag = false;
uv_create = false;
uv_mode = UVMode(p_mode);
for (int i = 0; i < UV_MODE_MAX; i++) {
uv_button[i]->set_pressed(p_mode == i);
@ -219,10 +241,11 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
uv_drag = true;
uv_prev = node->get_uv();
if (uv_edit_mode[0]->is_pressed()) //edit uv
if (uv_edit_mode[0]->is_pressed()) { //edit uv
uv_prev = node->get_uv();
else
} else { //edit polygon
uv_prev = node->get_polygon();
}
uv_move_current = uv_mode;
if (uv_move_current == UV_MODE_CREATE) {
@ -238,6 +261,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
uv_create = true;
uv_create_uv_prev = node->get_uv();
uv_create_poly_prev = node->get_polygon();
splits_prev = node->get_splits();
node->set_polygon(uv_prev);
node->set_uv(uv_prev);
@ -292,6 +316,109 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
uv_drag = false;
}
}
if (uv_move_current == UV_MODE_ADD_SPLIT) {
int drag_index = -1;
drag_index = -1;
for (int i = 0; i < uv_prev.size(); i++) {
Vector2 tuv = mtx.xform(uv_prev[i]);
if (tuv.distance_to(Vector2(mb->get_position().x, mb->get_position().y)) < 8) {
drag_index = i;
}
}
if (drag_index == -1) {
split_create = false;
return;
}
if (split_create) {
split_create = false;
if (drag_index < uv_drag_index) {
SWAP(drag_index, uv_drag_index);
}
bool valid = true;
if (drag_index == uv_drag_index) {
valid = false;
}
if (drag_index + 1 == uv_drag_index) {
//not a split,goes along the edge
valid = false;
}
if (drag_index == uv_prev.size() - 1 && uv_drag_index == 0) {
//not a split,goes along the edge
valid = false;
}
for (int i = 0; i < splits_prev.size(); i += 2) {
if (splits_prev[i] == uv_drag_index && splits_prev[i + 1] == drag_index) {
//already exists
valid = false;
}
if (splits_prev[i] > uv_drag_index && splits_prev[i + 1] > drag_index) {
//crossing
valid = false;
}
if (splits_prev[i] < uv_drag_index && splits_prev[i + 1] < drag_index) {
//crossing opposite direction
valid = false;
}
}
if (valid) {
splits_prev.push_back(uv_drag_index);
splits_prev.push_back(drag_index);
undo_redo->create_action(TTR("Add Split"));
undo_redo->add_do_method(node, "set_splits", splits_prev);
undo_redo->add_undo_method(node, "set_splits", node->get_splits());
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
} else {
error->set_text(TTR("Invalid Split"));
error->popup_centered_minsize();
}
} else {
uv_drag_index = drag_index;
split_create = true;
uv_create_to = mtx.affine_inverse().xform(Vector2(mb->get_position().x, mb->get_position().y));
}
}
if (uv_move_current == UV_MODE_REMOVE_SPLIT) {
for (int i = 0; i < splits_prev.size(); i += 2) {
if (splits_prev[i] < 0 || splits_prev[i] >= uv_prev.size())
continue;
if (splits_prev[i + 1] < 0 || splits_prev[i] >= uv_prev.size())
continue;
Vector2 e[2] = { mtx.xform(uv_prev[splits_prev[i]]), mtx.xform(uv_prev[splits_prev[i + 1]]) };
Vector2 mp = Vector2(mb->get_position().x, mb->get_position().y);
Vector2 cp = Geometry::get_closest_point_to_segment_2d(mp, e);
if (cp.distance_to(mp) < 8) {
splits_prev.remove(i);
splits_prev.remove(i);
undo_redo->create_action(TTR("Remove Split"));
undo_redo->add_do_method(node, "set_splits", splits_prev);
undo_redo->add_undo_method(node, "set_splits", node->get_splits());
undo_redo->add_do_method(uv_edit_draw, "update");
undo_redo->add_undo_method(uv_edit_draw, "update");
undo_redo->commit_action();
break;
}
}
}
} else if (uv_drag && !uv_create) {
undo_redo->create_action(TTR("Transform UV Map"));
@ -299,7 +426,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (uv_edit_mode[0]->is_pressed()) { //edit uv
undo_redo->add_do_method(node, "set_uv", node->get_uv());
undo_redo->add_undo_method(node, "set_uv", uv_prev);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
undo_redo->add_do_method(node, "set_polygon", node->get_polygon());
undo_redo->add_undo_method(node, "set_polygon", uv_prev);
}
@ -318,16 +445,20 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
uv_create = false;
node->set_uv(uv_create_uv_prev);
node->set_polygon(uv_create_poly_prev);
node->set_splits(splits_prev);
uv_edit_draw->update();
} else if (uv_drag) {
uv_drag = false;
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_prev);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_prev);
}
uv_edit_draw->update();
} else if (split_create) {
split_create = false;
uv_edit_draw->update();
}
} else if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed()) {
@ -368,7 +499,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
@ -380,7 +511,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
@ -404,7 +535,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
@ -433,12 +564,15 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else {
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
}
uv_edit_draw->update();
} else if (split_create) {
uv_create_to = mtx.affine_inverse().xform(Vector2(mm->get_position().x, mm->get_position().y));
uv_edit_draw->update();
}
}
@ -509,10 +643,11 @@ void Polygon2DEditor::_uv_draw() {
}
PoolVector<Vector2> uvs;
if (uv_edit_mode[0]->is_pressed()) //edit uv
if (uv_edit_mode[0]->is_pressed()) { //edit uv
uvs = node->get_uv();
else
} else { //edit polygon
uvs = node->get_polygon();
}
Ref<Texture> handle = get_icon("EditorHandle", "EditorIcons");
@ -531,6 +666,22 @@ void Polygon2DEditor::_uv_draw() {
rect.expand_to(mtx.basis_xform(uvs[i]));
}
if (split_create) {
Vector2 from = uvs[uv_drag_index];
Vector2 to = uv_create_to;
uv_edit_draw->draw_line(mtx.xform(from), mtx.xform(to), Color(0.9, 0.5, 0.5), 2);
}
PoolVector<int> splits = node->get_splits();
for (int i = 0; i < splits.size(); i += 2) {
int idx_from = splits[i];
int idx_to = splits[i + 1];
if (idx_from < 0 || idx_to >= uvs.size())
continue;
uv_edit_draw->draw_line(mtx.xform(uvs[idx_from]), mtx.xform(uvs[idx_to]), Color(0.9, 0.5, 0.5), 2);
}
rect = rect.grow(200);
updating_uv_scroll = true;
uv_hscroll->set_min(rect.position.x);
@ -601,16 +752,22 @@ Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) :
uv_edit_mode[1] = memnew(ToolButton);
uv_mode_hb->add_child(uv_edit_mode[1]);
uv_edit_mode[1]->set_toggle_mode(true);
uv_edit_mode[2] = memnew(ToolButton);
uv_mode_hb->add_child(uv_edit_mode[2]);
uv_edit_mode[2]->set_toggle_mode(true);
uv_edit_mode[0]->set_text(TTR("UV"));
uv_edit_mode[0]->set_pressed(true);
uv_edit_mode[1]->set_text(TTR("Poly"));
uv_edit_mode[2]->set_text(TTR("Splits"));
uv_edit_mode[0]->set_button_group(uv_edit_group);
uv_edit_mode[1]->set_button_group(uv_edit_group);
uv_edit_mode[2]->set_button_group(uv_edit_group);
uv_edit_mode[0]->connect("pressed", this, "_uv_edit_mode_select", varray(0));
uv_edit_mode[1]->connect("pressed", this, "_uv_edit_mode_select", varray(1));
uv_edit_mode[2]->connect("pressed", this, "_uv_edit_mode_select", varray(2));
uv_mode_hb->add_child(memnew(VSeparator));
@ -629,8 +786,12 @@ Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) :
uv_button[2]->set_tooltip(TTR("Move Polygon"));
uv_button[3]->set_tooltip(TTR("Rotate Polygon"));
uv_button[4]->set_tooltip(TTR("Scale Polygon"));
uv_button[5]->set_tooltip(TTR("Connect two points to make a split"));
uv_button[6]->set_tooltip(TTR("Select a split to erase it"));
uv_button[0]->hide();
uv_button[5]->hide();
uv_button[6]->hide();
uv_button[1]->set_pressed(true);
HBoxContainer *uv_main_hb = memnew(HBoxContainer);
uv_main_vb->add_child(uv_main_hb);
@ -737,8 +898,9 @@ Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) :
uv_draw_zoom = 1.0;
uv_drag_index = -1;
uv_drag = false;
uv_create = true;
uv_create = false;
updating_uv_scroll = false;
split_create = false;
error = memnew(AcceptDialog);
add_child(error);

9
editor/plugins/polygon_2d_editor_plugin.h
View file

@ -55,17 +55,19 @@ class Polygon2DEditor : public AbstractPolygon2DEditor {
UV_MODE_MOVE,
UV_MODE_ROTATE,
UV_MODE_SCALE,
UV_MODE_ADD_SPLIT,
UV_MODE_REMOVE_SPLIT,
UV_MODE_MAX
};
ToolButton *uv_edit_mode[2];
ToolButton *uv_edit_mode[3];
Ref<ButtonGroup> uv_edit_group;
Polygon2D *node;
UVMode uv_mode;
AcceptDialog *uv_edit;
ToolButton *uv_button[5];
ToolButton *uv_button[UV_MODE_MAX];
ToolButton *b_snap_enable;
ToolButton *b_snap_grid;
Control *uv_edit_draw;
@ -81,10 +83,13 @@ class Polygon2DEditor : public AbstractPolygon2DEditor {
PoolVector<Vector2> uv_prev;
PoolVector<Vector2> uv_create_uv_prev;
PoolVector<Vector2> uv_create_poly_prev;
PoolVector<int> splits_prev;
Vector2 uv_create_to;
int uv_drag_index;
bool uv_drag;
bool uv_create;
bool split_create;
UVMode uv_move_current;
Vector2 uv_drag_from;
bool updating_uv_scroll;

91
scene/2d/polygon_2d.cpp
View file

@ -192,7 +192,80 @@ void Polygon2D::_notification(int p_what) {
// Vector<int> indices = Geometry::triangulate_polygon(points);
// VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(), indices, points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID());
VS::get_singleton()->canvas_item_add_polygon(get_canvas_item(), points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID(), RID(), antialiased);
if (invert || splits.size() == 0) {
VS::get_singleton()->canvas_item_add_polygon(get_canvas_item(), points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID(), RID(), antialiased);
} else {
//use splits
Vector<int> loop;
int sc = splits.size();
PoolVector<int>::Read r = splits.read();
int last = points.size();
Vector<Vector<int> > loops;
for (int i = 0; i < last; i++) {
int split;
int min_end = -1;
do {
loop.push_back(i);
split = -1;
int end = -1;
for (int j = 0; j < sc; j += 2) {
if (r[j + 1] >= last)
continue; //no longer valid
if (min_end != -1 && r[j + 1] >= min_end)
continue;
if (r[j] == i) {
if (split == -1 || r[j + 1] > end) {
split = r[j];
end = r[j + 1];
}
}
}
if (split != -1) {
for (int j = end; j < last; j++) {
loop.push_back(j);
}
loops.push_back(loop);
last = end + 1;
loop.clear();
min_end = end; //avoid this split from repeating
}
} while (split != -1);
}
if (loop.size()) {
loops.push_back(loop);
}
Vector<int> indices;
for (int i = 0; i < loops.size(); i++) {
Vector<int> loop = loops[i];
Vector<Vector2> vertices;
vertices.resize(loop.size());
for (int j = 0; j < vertices.size(); j++) {
vertices[j] = points[loop[j]];
}
Vector<int> sub_indices = Geometry::triangulate_polygon(vertices);
int from = indices.size();
indices.resize(from + sub_indices.size());
for (int j = 0; j < sub_indices.size(); j++) {
indices[from + j] = loop[sub_indices[j]];
}
}
//print_line("loops: " + itos(loops.size()) + " indices: " + itos(indices.size()));
VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(), indices, points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID());
}
} break;
}
@ -220,6 +293,18 @@ PoolVector<Vector2> Polygon2D::get_uv() const {
return uv;
}
void Polygon2D::set_splits(const PoolVector<int> &p_splits) {
ERR_FAIL_COND(p_splits.size() & 1); //splits should be multiple of 2
splits = p_splits;
update();
}
PoolVector<int> Polygon2D::get_splits() const {
return splits;
}
void Polygon2D::set_color(const Color &p_color) {
color = p_color;
@ -352,6 +437,9 @@ void Polygon2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_color", "color"), &Polygon2D::set_color);
ClassDB::bind_method(D_METHOD("get_color"), &Polygon2D::get_color);
ClassDB::bind_method(D_METHOD("set_splits", "splits"), &Polygon2D::set_splits);
ClassDB::bind_method(D_METHOD("get_splits"), &Polygon2D::get_splits);
ClassDB::bind_method(D_METHOD("set_vertex_colors", "vertex_colors"), &Polygon2D::set_vertex_colors);
ClassDB::bind_method(D_METHOD("get_vertex_colors"), &Polygon2D::get_vertex_colors);
@ -384,6 +472,7 @@ void Polygon2D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "polygon"), "set_polygon", "get_polygon");
ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "uv"), "set_uv", "get_uv");
ADD_PROPERTY(PropertyInfo(Variant::POOL_INT_ARRAY, "splits"), "set_splits", "get_splits");
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
ADD_PROPERTY(PropertyInfo(Variant::POOL_COLOR_ARRAY, "vertex_colors"), "set_vertex_colors", "get_vertex_colors");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");

5
scene/2d/polygon_2d.h
View file

@ -40,6 +40,8 @@ class Polygon2D : public Node2D {
PoolVector<Vector2> polygon;
PoolVector<Vector2> uv;
PoolVector<Color> vertex_colors;
PoolVector<int> splits;
Color color;
Ref<Texture> texture;
Size2 tex_scale;
@ -75,6 +77,9 @@ public:
void set_uv(const PoolVector<Vector2> &p_uv);
PoolVector<Vector2> get_uv() const;
void set_splits(const PoolVector<int> &p_uv);
PoolVector<int> get_splits() const;
void set_color(const Color &p_color);
Color get_color() const;