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Added an option to AutoUV to arrange charts horizontally or vertically #623

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6ab819a
- Added an option to AutoUV to arrange charts horizontally or vertically
Micheus Mar 18, 2025
7f71d02
- Worked on Copilot suggestions
Micheus Dec 16, 2025
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142 changes: 141 additions & 1 deletion plugins_src/autouv/wpc_autouv.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -634,6 +634,7 @@ command_menu(body, X, Y) ->
{?__(21,"Right"), right, ?__(22,"Move to right border")}
]}, ?__(23,"Move charts to position")},
align_menu(),
arrange_menu(),
{?__(24,"Flip"),{flip,
[{?__(25,"Horizontal"),horizontal,?__(26,"Flip selection horizontally")},
{?__(27,"Vertical"),vertical,?__(28,"Flip selection vertically")}]},
Expand Down Expand Up @@ -806,6 +807,13 @@ rotate(Flags) ->
end
end.

arrange_menu() ->
{?__(93,"Arrange"),
{arrange,
[{?__(25,"Horizontal"),horizontal,?__(26,"Arrange selection horizontally")},
{?__(27,"Vertical"),vertical,?__(28,"Arrange selection vertically")}
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]}, ?__(94,"Arrange charts relative each other")}.
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align_menu() ->
{?__(93,"Align"),
{align,
Expand All @@ -816,7 +824,7 @@ align_menu() ->
{?__(17,"Top"), top, ?__(96,"Align to top")},
{?__(19,"Left"), left, ?__(97,"Align to left")},
{?__(21,"Right"), right, ?__(98,"Align to right")}
]}, ?__(94,"Align charts relative each other")}.
]}, ?__(94,"Align charts relative to each other")}.

bend_submenu_items() ->
{bend,{plastic_bend,noclamp},
Expand Down Expand Up @@ -1265,6 +1273,8 @@ handle_command_1({move_to,Dir}, St0) ->
St1 = wpa:sel_map(fun(_, We) -> move_to(Dir,We) end, St0),
St = update_selected_uvcoords(St1),
get_event(St);
handle_command_1({arrange,Dir}, St) ->
arrange(Dir, St);
handle_command_1({align,Dir}, #st{selmode=Mode,sel=Sel}=St0) when Mode == body; Mode == vertex ->
St =
case length(Sel) of
Expand Down Expand Up @@ -2365,6 +2375,133 @@ move_to(Dir,We) ->
T = e3d_mat:translate(Translate),
wings_we:transform_vs(T, We).

arrange(Dir0, St0) ->
State = wings_pref:get_value(uv_arrange, {false,false,false}),
Dir = make_vector(Dir0),
BBSel = wings_sel:bounding_box(St0),
MF = fun(_, We, {Idx,OfsAcc}=Acc) ->
BBObj = wings_vertex:bounding_box(We),
[{X0,Y0,_},{X1,Y1,_}] = BBObj,
Ofs =
case Dir0 of
horizontal -> e3d_vec:mul(Dir,X1-X0);
vertical -> e3d_vec:mul(Dir,Y0-Y1)
end,
Tv = arrange(Dir,BBSel,BBObj,Acc,State,We),
{We#we{temp=Tv},{Idx+1,e3d_vec:add(Ofs,OfsAcc)}}
end,
{St,_} = wings_sel:mapfold(MF, {0,{0.0,0.0,0.0}}, St0),
DF = fun(_I, #we{temp=Tv}) ->
Tv
end,
Flags = [{mode,{arrange_modes(Dir0),State}}],
wings_drag:fold(DF,[distance],Flags,St).

arrange(Dir, BBSel,BBObj, Idx_Ofs, State, #we{vp=VTab}) ->
Vs = wings_util:array_keys(VTab),
VsPos = array:sparse_to_orddict(VTab),
Fun = arrange_fun(Dir,BBSel,BBObj,Idx_Ofs,VsPos, State),
{Vs,Fun}.

arrange_fun(Dir, [Stl,Sbr]=BBSel, [Otl,Obr]=BBObj, {Idx0,Ofs1}=Idx_Ofs, Vpos, State) ->
BSc = e3d_vec:average(BBSel),
BOc = e3d_vec:average(BBObj),
BSd = e3d_vec:sub(BBSel),
BOd = e3d_vec:sub(BBObj),
case Dir of
{_,+0.0,_} -> %% horizontal
AlnOfs = calc_vert_ofs(BSc,BOc,BSd,BOd,State), %% Top, Center, Bottom
Idx = Idx0;
{+0.0,_,_} -> %% vertical
AlnOfs = calc_hrz_ofs(BSc,BOc,BSd,BOd,State), %% Left, Center, Right
Idx = -Idx0
end,
fun(new_mode_data,{NewState,_}) ->
arrange_fun(Dir,BBSel,BBObj,Idx_Ofs,Vpos,NewState);
([Dx], Acc) ->
Pad = e3d_vec:mul(Dir,abs(Dx)*Idx),
if Dx >= 0 ->
Ofs0 = e3d_vec:add(Ofs1,Pad),
{X,_Y,_} = e3d_vec:sub(Stl,Otl),
{_X,Y,_} = e3d_vec:sub(Sbr,Obr);
true ->
Ofs0 = e3d_vec:neg(e3d_vec:add(Ofs1,Pad)),
{_X,Y,_} = e3d_vec:sub(Stl,Otl),
{X,_Y,_} = e3d_vec:sub(Sbr,Obr)
end,
case Dir of
{_,+0.0,_} -> %% horizontal
Ref = {X,0.0,0.0};
{+0.0,_,_} -> %% vertical
Ref = {0.0,Y,0.0}
end,
Ofs = e3d_vec:add(Ref,Ofs0),
do_arrange(AlnOfs,Ofs,Vpos,Acc);
(_, _) ->
arrange_fun(Dir,BBSel,BBObj,Idx_Ofs,Vpos,State)
end.

do_arrange(AlnOfs, Ofs, VsPos, Acc0) ->
M = e3d_mat:translate(e3d_vec:add(Ofs,AlnOfs)),
foldl(fun({V,Pos0}, Acc) ->
Pos = e3d_mat:mul_point(M, Pos0),
[{V,Pos}|Acc]
end, Acc0, VsPos).

calc_vert_ofs(_, _, _, _, {false,false,false}) ->
{0.0,0.0,0.0};
calc_vert_ofs({_,BScY,_}, {_,BOcY,_}, {_,BSdH,_}, {_,BOdH,_}, {true,false,false}) ->
{0.0,-((BOcY-BScY)+(BSdH-BOdH)/2),0.0};
calc_vert_ofs({_,BScY,_}, {_,BOcY,_}, _, _, {false,true,false}) ->
{0.0,-(BOcY-BScY),0.0};
calc_vert_ofs({_,BScY,_}, {_,BOcY,_}, {_,BSdH,_}, {_,BOdH,_}, {false,false,true}) ->
{0.0,(BScY-BOcY)+(BSdH-BOdH)/2,0.0}.

calc_hrz_ofs(_, _, _, _, {false,false,false}) ->
{0.0,0.0,0.0};
calc_hrz_ofs({BScX,_,_}, {BOcX,_,_}, {BSdW,_,_}, {BOdW,_,_}, {true,false,false}) ->
{(BScX-BOcX)+((BSdW-BOdW)/2),0.0,0.0};
calc_hrz_ofs({BScX,_,_}, {BOcX,_,_} , _, _, {false,true,false}) ->
{(BScX-BOcX),0.0,0.0};
calc_hrz_ofs({BScX,_,_}, {BOcX,_,_}, {BSdW,_,_}, {BOdW,_,_}, {false,false,true}) ->
{(BScX-BOcX)-((BSdW-BOdW)/2),0.0,0.0}.

%%% Arrange modes
arrange_modes(Dir) ->
fun(help, State) -> arrange_mode_help(Dir,State);
({key,$1},{_LeftTop,_CenterXY,_RightBot}) -> {false,false,false};
({key,$2},{false,_CenterXY,_RightBot}) -> {true,false,false};
({key,$3},{_LeftTop,false,_RightBot}) -> {false,true,false};
({key,$4},{_LeftTop,_CenterXY,false}) -> {false,false,true};
(done,{_,_,_}=State) -> wings_pref:set_value(uv_arrange, State);
(_,_) -> none
end.

%%%% Mode Help
arrange_mode_help(Dir,State) ->
%% FIXME: for some strange reason, without the following command
%% the status values are not updated regards to the selection
io:format(" "),
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["[1] " ++ arrange_help(1,State,arrange_help(1,Dir)),
" [2] " ++ arrange_help(2,State,arrange_help(2,Dir)),
" [3] " ++ arrange_help(3,State,arrange_help(3,Dir)),
" [4] " ++ arrange_help(4,State,arrange_help(4,Dir))].

arrange_help(2, {true,false,false}, Label) -> "*" ++ Label ++ "*";
arrange_help(3, {false,true,false}, Label) -> "*" ++ Label ++ "*";
arrange_help(4, {false,false,true}, Label) -> "*" ++ Label ++ "*";
arrange_help(1, {false,false,false}, Label) -> "*" ++ Label ++ "*";
arrange_help(_, _, Label) -> Label.

arrange_help(1, _) -> ?__(1,"Keep");
arrange_help(2, vertical) -> ?__(2,"Left");
arrange_help(3, vertical) -> ?__(3,"Center");
arrange_help(4, vertical) -> ?__(4,"Right");
arrange_help(2, horizontal) -> ?__(5,"Top");
arrange_help(3, horizontal) -> ?__(3,"Center");
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arrange_help(4, horizontal) -> ?__(6,"Bottom").


align(Dir,[{Xa,Ya,_},{Xb,Yb,_}],We) ->
[V1={X1,Y1,_},V2={X2,Y2,_}] = wings_vertex:bounding_box(We),
ChartCenter = {CCX,CCY,CCZ} = e3d_vec:average(V1,V2),
Expand Down Expand Up @@ -2829,3 +2966,6 @@ camera_reset() ->
distance=Dist,
pan_x=0.0,pan_y=0.0,
along_axis=none}).

make_vector(horizontal) -> {1.0,0.0,0.0};
make_vector(vertical) -> {0.0,1.0,0.0}.
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