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Change mainmenu texture handling + small misc changes

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Texture names must now be escaped in formspec elements image[],
background[], image_button[], image_button_exit[].

Instead of special-case handling of texture loading (and unloading
which was missing) in guiFormSpecMenu.cpp, use the newly created
ISimpleTextureSource interface which is a minimal subset of
ITextureSource. There is an implementation of this interface
used by GUIEngine (MenuTextureSource).

Fix an off-by-one bug in unescape_string; it caused requests for a
texture called "\0".
This commit is contained in:
Kahrl 2013-08-20 22:38:14 +02:00
parent da9fe64851
commit 3c4734d69a
11 changed files with 150 additions and 90 deletions
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5
builtin/mm_menubar.lua
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@ -51,7 +51,8 @@ function menubar.refresh()
menubar.formspec = menubar.formspec ..
"image_button[" .. buttonpos .. ",5.7;1.3,1.3;" ..
gamemgr.games[i].menuicon_path .. ";" .. btn_name .. ";;true;false]"
engine.formspec_escape(gamemgr.games[i].menuicon_path) .. ";" ..
btn_name .. ";;true;false]"
else
local part1 = gamemgr.games[i].id:sub(1,5)
@ -75,4 +76,4 @@ function menubar.refresh()
table.insert(menubar.buttons,toadd)
end
end
end