Add GameMode:fastUpdate

main.lua

@@ -381,7 +381,13 @@ function love.run()
             
             if u_tacc >= 1 / TARGET_UPS then
                 runsystem.updatefps = 1 / u_tacc
+
+                if scene and scene.fastUpdate then
+                    scene:fastUpdate(u_tacc)
+                end
+
                 u_tacc = 0
+
                 love.event.pump()
                 for n, a, b, c, d, e, f in love.event.poll() do
                     if n == 'quit' then

scene.lua

@@ -4,6 +4,7 @@ Scene = Object:extend()
 
 function Scene:new() end
 function Scene:update() end
+function Scene:fastUpdate(dt) end -- Equivalent to GameMode:fastUpdate(dt)
 function Scene:render() end
 function Scene:onInputPress() end
 function Scene:onInputRelease() end

scene/game.lua

@@ -45,6 +45,10 @@ function GameScene:render()
 	self.game:draw(self.paused)
 end
 
+function GameScene:fastUpdate(d)
+    self.game:fastUpdate(d) -- Propagate the fast updates
+end
+
 function GameScene:onInputPress(e)
 	if (
 		self.game.game_over or self.game.completed

tetris/modes/gamemode.lua

@@ -952,4 +952,11 @@ function GameMode:provideSettings()
     return {} 
 end
 
+-- This function is called on every love.event.poll
+-- aka up to the UPS specified in main.lua.
+-- By default this is 1000, so this function will run
+-- up to 1000 times per second! Don't do anything
+-- expensive in here, as this WILL slow the game down.
+function GameMode:fastUpdate(deltaTime) end
+
 return GameMode