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_gamepath() .. DIR_DELIM .. ".." ..
  24                                                 DIR_DELIM .. "textures" .. DIR_DELIM .. "base" ..
  25                                                 DIR_DELIM .. "pack" .. DIR_DELIM
  26         mm_texture.basetexturedir = mm_texture.defaulttexturedir
  27
  28         mm_texture.texturepack = engine.setting_get("texture_path")
  29
  30         mm_texture.gameid = nil
  31 end
  32
  33 --------------------------------------------------------------------------------
  34 function mm_texture.update(tab,gamedetails)
  35         if tab ~= "singleplayer" then
  36                 mm_texture.reset()
  37                 return
  38         end
  39
  40         if gamedetails == nil then
  41                 return
  42         end
  43
  44         mm_texture.update_game(gamedetails)
  45 end
  46
  47 --------------------------------------------------------------------------------
  48 function mm_texture.reset()
  49         mm_texture.gameid = nil
  50         local have_bg      = false
  51         local have_overlay = mm_texture.set_generic("overlay")
  52
  53         if not have_overlay then
  54                 have_bg = mm_texture.set_generic("background")
  55         end
  56
  57         mm_texture.clear("header")
  58         mm_texture.clear("footer")
  59         engine.set_clouds(false)
  60
  61         mm_texture.set_generic("footer")
  62         mm_texture.set_generic("header")
  63
  64         if not have_bg and
  65                 engine.setting_getbool("enable_clouds") then
  66                         engine.set_clouds(true)
  67         end
  68 end
  69
  70 --------------------------------------------------------------------------------
  71 function mm_texture.update_game(gamedetails)
  72         if mm_texture.gameid == gamedetails.id then
  73                 return
  74         end
  75
  76         local have_bg      = false
  77         local have_overlay = mm_texture.set_game("overlay",gamedetails)
  78
  79         if not have_overlay then
  80                 have_bg = mm_texture.set_game("background",gamedetails)
  81         end
  82
  83         mm_texture.clear("header")
  84         mm_texture.clear("footer")
  85         engine.set_clouds(false)
  86
  87         if not have_bg and
  88                 engine.setting_getbool("enable_clouds") then
  89                         engine.set_clouds(true)
  90         end
  91
  92         mm_texture.gameid = gamedetails.id
  93 end
  94
  95 --------------------------------------------------------------------------------
  96 function mm_texture.clear(identifier)
  97         engine.set_background(identifier,"")
  98 end
  99
 100 --------------------------------------------------------------------------------
 101 function mm_texture.set_generic(identifier)
 102         --try texture pack first
 103         if mm_texture.texturepack ~= nil then
 104                 local path = mm_texture.texturepack .. DIR_DELIM .."menu_" ..
 105                                                                                 identifier .. ".png"
 106                 if engine.set_background(identifier,path) then
 107                         return true
 108                 end
 109         end
 110
 111         if mm_texture.defaulttexturedir ~= nil then
 112                 local path = mm_texture.defaulttexturedir .. DIR_DELIM .."menu_" ..
 113                                                                                 identifier .. ".png"
 114                 if engine.set_background(identifier,path) then
 115                         return true
 116                 end
 117         end
 118
 119         return false
 120 end
 121
 122 --------------------------------------------------------------------------------
 123 function mm_texture.set_game(identifier,gamedetails)
 124
 125         if gamedetails == nil then
 126                 return false
 127         end
 128
 129         if mm_texture.texturepack ~= nil then
 130                 local path = mm_texture.basetexturedir ..
 131                                                 gamedetails.id .. "_menu_" .. identifier .. ".png"
 132
 133                 if engine.set_background(identifier,path) then
 134                         return true
 135                 end
 136         end
 137
 138         local path = gamedetails.path .. DIR_DELIM .."menu" ..
 139                                                                          DIR_DELIM .. identifier .. ".png"
 140         if engine.set_background(identifier,path) then
 141                 return true
 142         end
 143
 144         return false
 145 end