builtin/mm_textures.lua

   1 --Minetest
   2 --Copyright (C) 2013 sapier
   3 --
   4 --This program is free software; you can redistribute it and/or modify
   5 --it under the terms of the GNU Lesser General Public License as published by
   6 --the Free Software Foundation; either version 2.1 of the License, or
   7 --(at your option) any later version.
   8 --
   9 --This program is distributed in the hope that it will be useful,
  10 --but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 --MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 --GNU Lesser General Public License for more details.
  13 --
  14 --You should have received a copy of the GNU Lesser General Public License along
  15 --with this program; if not, write to the Free Software Foundation, Inc.,
  16 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18
  19 mm_texture = {}
  20
  21 --------------------------------------------------------------------------------
  22 function mm_texture.init()
  23         mm_texture.defaulttexturedir = engine.get_texturepath() .. DIR_DELIM .. "base" ..
  24                                                 DIR_DELIM .. "pack" .. DIR_DELIM
  25         mm_texture.basetexturedir = mm_texture.defaulttexturedir
  26
  27         mm_texture.texturepack = engine.setting_get("texture_path")
  28
  29         mm_texture.gameid = nil
  30 end
  31
  32 --------------------------------------------------------------------------------
  33 function mm_texture.update(tab,gamedetails)
  34         if tab ~= "singleplayer" then
  35                 mm_texture.reset()
  36                 return
  37         end
  38
  39         if gamedetails == nil then
  40                 return
  41         end
  42
  43         mm_texture.update_game(gamedetails)
  44 end
  45
  46 --------------------------------------------------------------------------------
  47 function mm_texture.reset()
  48         mm_texture.gameid = nil
  49         local have_bg      = false
  50         local have_overlay = mm_texture.set_generic("overlay")
  51
  52         if not have_overlay then
  53                 have_bg = mm_texture.set_generic("background")
  54         end
  55
  56         mm_texture.clear("header")
  57         mm_texture.clear("footer")
  58         engine.set_clouds(false)
  59
  60         mm_texture.set_generic("footer")
  61         mm_texture.set_generic("header")
  62
  63         if not have_bg and
  64                 engine.setting_getbool("enable_clouds") then
  65                         engine.set_clouds(true)
  66         end
  67 end
  68
  69 --------------------------------------------------------------------------------
  70 function mm_texture.update_game(gamedetails)
  71         if mm_texture.gameid == gamedetails.id then
  72                 return
  73         end
  74
  75         local have_bg      = false
  76         local have_overlay = mm_texture.set_game("overlay",gamedetails)
  77
  78         if not have_overlay then
  79                 have_bg = mm_texture.set_game("background",gamedetails)
  80         end
  81
  82         mm_texture.clear("header")
  83         mm_texture.clear("footer")
  84         engine.set_clouds(false)
  85
  86         if not have_bg and
  87                 engine.setting_getbool("enable_clouds") then
  88                         engine.set_clouds(true)
  89         end
  90
  91         mm_texture.set_game("footer",gamedetails)
  92         mm_texture.set_game("header",gamedetails)
  93
  94         mm_texture.gameid = gamedetails.id
  95 end
  96
  97 --------------------------------------------------------------------------------
  98 function mm_texture.clear(identifier)
  99         engine.set_background(identifier,"")
 100 end
 101
 102 --------------------------------------------------------------------------------
 103 function mm_texture.set_generic(identifier)
 104         --try texture pack first
 105         if mm_texture.texturepack ~= nil then
 106                 local path = mm_texture.texturepack .. DIR_DELIM .."menu_" ..
 107                                                                                 identifier .. ".png"
 108                 if engine.set_background(identifier,path) then
 109                         return true
 110                 end
 111         end
 112
 113         if mm_texture.defaulttexturedir ~= nil then
 114                 local path = mm_texture.defaulttexturedir .. DIR_DELIM .."menu_" ..
 115                                                                                 identifier .. ".png"
 116                 if engine.set_background(identifier,path) then
 117                         return true
 118                 end
 119         end
 120
 121         return false
 122 end
 123
 124 --------------------------------------------------------------------------------
 125 function mm_texture.set_game(identifier,gamedetails)
 126
 127         if gamedetails == nil then
 128                 return false
 129         end
 130
 131         if mm_texture.texturepack ~= nil then
 132                 local path = mm_texture.basetexturedir ..
 133                                                 gamedetails.id .. "_menu_" .. identifier .. ".png"
 134
 135                 if engine.set_background(identifier,path) then
 136                         return true
 137                 end
 138         end
 139
 140         local path = gamedetails.path .. DIR_DELIM .."menu" ..
 141                                                                          DIR_DELIM .. identifier .. ".png"
 142         if engine.set_background(identifier,path) then
 143                 return true
 144         end
 145
 146         return false
 147 end