src/urggr_package/game.lua

   1 --[[
   2     Urggr - An horizontal scrolling shoot'em up.
   3     Copyright 2008 Antoine Chavasse <a.chavasse@gmail.com>
   4
   5     This file is part of Urggr.
   6
   7     Urggr is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License version 3
   9     as published by the Free Software Foundation.
  10
  11     Urggr is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 --]]
  19
  20 require 'qtgui'
  21 require 'fail.utils'
  22 require 'fail.math'
  23 sg = require 'fail.scenegraph'
  24
  25 Game = fail.utils.class
  26 {
  27         function( self, view )
  28                 -- Create camera
  29
  30                 -- TODO: that's just testing, this should be moved into the camera class.
  31                 self.camframe = sg.Frame()
  32                 self.camera = sg.Camera( self.camframe )
  33                 --self.camera.FOV = 60
  34                 local mtx = fail.math.Matrix44f()
  35                 mtx:rotation( 90, fail.math.Vector3f( 0, 0, 1 ) )
  36
  37                 -- TODO: investigate why setting the position in mtx before assigning it
  38                 -- to the localtoparent matrix doesn't work.
  39                 --mtx.position.x = -7
  40                 self.camframe.LocalToParent = mtx
  41                 self.camframe.LocalToParent.position.x = 15
  42                 self.camframe:dirty()
  43
  44                 -- Create viewport
  45                 self.viewport = sg.ViewPort( sg.PerspectiveProjection(), self.camera )
  46                 self.viewport.Rect = fail.math.Rectu32( 0, 0, 1024, 768 )
  47
  48                 self.mainpass = sg.RenderPass( self.viewport )
  49                 self.mainpass.bClearDepthBuffer = true
  50                 self.mainpass.bClearColorBuffer = true
  51
  52                 self.qtscene = QGraphicsScene()
  53                 self.qtscene.drawBackground = function() self:render() end
  54
  55                 fail.game.input.Action( "Left", "Move left" )
  56                 fail.game.input.Action( "Right", "Move right" )
  57                 fail.game.input.Action( "Up", "Move up" )
  58                 fail.game.input.Action( "Down", "Move down" )
  59
  60                 fail.game.input.InputManager.GetInstance():bindAction( "Left", "keyboard", "Left" )
  61                 fail.game.input.InputManager.GetInstance():bindAction( "Right", "keyboard", "Right" )
  62                 fail.game.input.InputManager.GetInstance():bindAction( "Up", "keyboard", "Up" )
  63                 fail.game.input.InputManager.GetInstance():bindAction( "Down", "keyboard", "Down" )
  64
  65
  66                 self.level = urggr.Level()
  67
  68                 self.lasttime = 0
  69                 self.time = QTime()
  70                 self.time:start()
  71
  72                 view:setScene( self.qtscene )
  73
  74                 fail.game.keyboard.Provider( self.qtscene )
  75         end
  76 }
  77
  78 function Game:render()
  79
  80         --collectgarbage()
  81
  82         local deltatime = self.time:elapsed() - self.lasttime
  83         self.lasttime = self.lasttime + deltatime
  84
  85         sg.RenderPass.ClearAll()
  86         self.mainpass:prependToRenderList()
  87
  88         self.level:update( deltatime )
  89         self.level:evaluateRender( self.mainpass )
  90         sg.RenderPass.RenderAll( true )
  91
  92         QTimer.singleShot( 10, self.qtscene, "1update()" )
  93
  94 end