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%%
%% wpc_obj.erl --
%%
%% Wavefront import/export.
%%
%% Copyright (c) 2002-2011 Bjorn Gustavsson
%%
%% See the file "license.terms" for information on usage and redistribution
%% of this file, and for a DISCLAIMER OF ALL WARRANTIES.
%%
%% $Id$
%%
-module(wpc_obj).
-export([init/0,menu/2,command/2]).
-include_lib("wings/intl_tools/wings_intl.hrl").
init() ->
true.
menu({file,import}, Menu) ->
menu_entry(Menu);
menu({file,export}, Menu) ->
menu_entry(Menu);
menu({file,export_selected}, Menu) ->
menu_entry(Menu);
menu(_, Menu) -> Menu.
command({file,{import,{obj,Ask}}}, St) ->
do_import(Ask, St);
command({file,{export,{obj,Ask}}}, St) ->
Exporter = fun(Ps, Fun) -> wpa:export(Ps, Fun, St) end,
do_export(Ask, export, Exporter, St);
command({file,{export_selected,{obj,Ask}}}, St) ->
Exporter = fun(Ps, Fun) -> wpa:export_selected(Ps, Fun, St) end,
do_export(Ask, export_selected, Exporter, St);
command(_, _) ->
next.
menu_entry(Menu) ->
Menu ++ [{"Wavefront (.obj)...",obj,[option]}].
props() ->
[{ext,".obj"},{ext_desc,?__(1,"Wavefront File")}].
%%%
%%% Import.
%%%
do_import(Ask, _St) when is_atom(Ask) ->
wpa:dialog(Ask, ?__(1,"Wavefront Import Options"), dialog(import),
fun(Res) ->
{file,{import,{obj,Res}}}
end);
do_import(Attr, St) ->
set_pref(Attr),
wpa:import(props(), import_fun(Attr), St).
import_fun(Attr) ->
fun(Filename) ->
case e3d_obj:import(Filename) of
{ok,E3dFile0} ->
E3dFile = import_transform(E3dFile0, Attr),
{ok,E3dFile};
{error,Error} ->
{error,Error}
end
end.
%%%
%%% Export.
%%%
do_export(Ask, Op, _Exporter, _St) when is_atom(Ask) ->
wpa:dialog(Ask, ?__(1,"Wavefront Export Options"), dialog(export),
fun(Res) ->
{file,{Op,{obj,Res}}}
end);
do_export(Attr, _Op, Exporter, _St) when is_list(Attr) ->
set_pref(Attr),
SubDivs = proplists:get_value(subdivisions, Attr, 0),
Tesselation = proplists:get_value(tesselation, Attr, none),
Uvs = proplists:get_bool(include_uvs, Attr),
Normals = proplists:get_bool(include_normals, Attr),
Ps = [{tesselation,Tesselation},{subdivisions,SubDivs},
{include_uvs,Uvs},{include_colors,false},
{include_normals,Normals}|props()],
Exporter(Ps, export_fun(Attr)).
export_fun(Attr) ->
fun(Filename, Contents) ->
export_1(Filename, Contents, Attr)
end.
export_1(Filename, Contents0, Attr) ->
Filetype = proplists:get_value(default_filetype, Attr, ".tga"),
Contents1 = export_transform(Contents0, Attr),
Contents = wpa:save_images(Contents1, filename:dirname(Filename), Filetype),
case e3d_obj:export(Filename, Contents, Attr) of
ok -> ok;
{error,_}=Error -> Error
end.
dialog(import) ->
[wpa:dialog_template(?MODULE, import)];
dialog(export) ->
wpa:pref_set_default(?MODULE, default_filetype, ".tga"),
[{?__(1,"One group per material"),get_pref(group_per_material, true),
[{key,group_per_material}]},
{?__(2,"Vue d'Esprit workaround"),get_pref(dot_slash_mtllib, false),
[{key,dot_slash_mtllib}]},
panel,
wpa:dialog_template(?MODULE, tesselation),
panel,
wpa:dialog_template(?MODULE, export, [include_colors])].
get_pref(Key, Def) ->
wpa:pref_get(?MODULE, Key, Def).
set_pref(KeyVals) ->
wpa:pref_set(?MODULE, KeyVals).
export_transform(Contents, Attr) ->
Mat = wpa:export_matrix(Attr),
e3d_file:transform(Contents, Mat).
import_transform(Contents, Attr) ->
Mat = wpa:import_matrix(Attr),
e3d_file:transform_matrix(Contents, Mat).
|
