src/urggr.lua

   1 #!${LUA_INTERPRETER}
   2 --[[
   3     Urggr - An horizontal scrolling shoot'em up.
   4     Copyright 2008 Antoine Chavasse <a.chavasse@gmail.com>
   5
   6     This file is part of Urggr.
   7
   8     Urggr is free software; you can redistribute it and/or modify
   9     it under the terms of the GNU General Public License version 3
  10     as published by the Free Software Foundation.
  11
  12     Urggr is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 --]]
  20
  21 package.path = package.path .. '${LUA_PACKAGE_PATH}'
  22
  23 Settings = {}
  24
  25 require 'qtcore'
  26 require 'qtgui'
  27 require 'qtopengl'
  28 require 'fail'
  29 require 'fail.math'
  30 sg = require 'fail.scenegraph'
  31 require 'fail.scenegraph.shapes'
  32 require 'fail.bullet.collision'
  33 require 'fail.game.keyboard'
  34 require 'fail.gamestorage'
  35 require 'fail.io'
  36 require 'fail.fbffile'
  37 require 'urggr'
  38
  39 qtapp = QApplication( 1 + select( '#', ... ), { arg[0], ...} )
  40 qtapp.__gc = qtapp.delete
  41
  42 -- Serialization test. Create a cube with a material and save it to a file.
  43 --[[local frame = sg.Frame()
  44 local mat = sg.Material()
  45 mat.Emission.value = fail.math.Vector4f( 0, 1, 1, 1 )
  46 mat.Specular.value = fail.math.Vector4f( 0, 0, 0, 1 )
  47 local renderable = sg.shapes.Cube( mat, frame )
  48
  49 fail.fbffile.Writer.Save( "lulz.fbf", renderable )]]
  50
  51
  52 -- The current game scene (which can be the main menu, a game level, a mini game or basically anything occupying the rendering and UI)
  53 -- will just provide a QGraphicsScene that we'll set as the current scene of the top level QGraphicsView. The actual fail engine action
  54 -- shall be rendered with an overloaded drawBackground function, the QGraphicsItems should be used only for UI and hud elements.
  55 -- The QGraphicsView used will always use a QGLWidget as its viewport.
  56
  57 -- Setup the main window, a QGraphicsView displaying our QGraphicsScene.
  58 gv = QGraphicsView()
  59
  60 gv:setViewportUpdateMode( "FullViewportUpdate" )
  61 gv:setCacheMode( {"CacheNone"} )
  62 gv:setViewport( QGLWidget() )
  63
  64 -- Create the mainmenu. It'll set its own scene as the graphics view scene.
  65 urggr.MainMenu( gv )
  66
  67 gv:show()
  68 gv:resize(1024, 768);
  69
  70 -- TODO: separate the game logic updates and put them on a fixed time step.
  71 -- Also change the input stuff to buffer the inputs and have them sent (and the
  72 -- game event handler called) only when ticking the game updates (so the event handlers
  73 -- can safely change the object states, which shouldn't be done in between game ticks)
  74 --
  75 -- It would be easier if it was possible to have qt process its events and render separately.
  76 while( true ) do
  77         qtapp.processEvents()
  78         qtapp.sendPostedEvents()
  79 end