Support multiple bindings per an action

menu_state.lua

@@ -36,14 +36,13 @@ function menu_state:enter()
 	Label(string.format("Player %d", player), midfont, { 255, 255, 255, 255 }, "left", 500, 0, x, y, menu_state)
 	y = y + 60
 	for idx, key in ipairs(bindingOrder) do
-	    local binding = KEYMAP[player][key]
+	    Label(bindingName[key], font, { 255, 255, 255, 255 }, "left", 190, 25, x, y, menu_state)
-	    local l1 = Label(bindingName[key], font, { 255, 255, 255, 255 }, "left", 190, 25, x, y, menu_state)
+	    for bindingIdx, binding in ipairs(KEYMAP[player][key]) do
-	    local l2 = Label(binding, font, { 255, 255, 255, 255 }, "left", 50, 25, x + 200, y, menu_state)
+		local label = Label(binding, font, { 255, 255, 255, 255 }, "left", 50, 25, x + 200 + 20 * (bindingIdx - 1), y, menu_state)
-	    local adjust = function()
+		label:onClick(function()
-		menu_state:adjustBindings(l1, l2, player, key)
+				  menu_state:adjustBindings(label, bindingIdx, player, key)
+			      end)
 	    end
-	    l1:onClick(adjust)
-	    l2:onClick(adjust)
 	    y = y + 30
 	end
 	x = x + 400
@@ -55,19 +54,17 @@ local blinkColor = function(t)
     return 255 * ((math.sin(math.pow((math.log(subseconds + 1) / math.log(2)), 2) * math.pi * 2) * 0.5 + 0.5));
 end
 
-function menu_state:adjustBindings(name, binding, player, key)
+function menu_state:adjustBindings(label, bindingIdx, player, key)
     if currentlyChosen ~= nil then
 	currentlyChosen:delete()
     end
 
     currentlyChosen = ValueController(function ()
-					  name.color[4] = blinkColor(); 
+					  label.color[4] = blinkColor(); 
-					  binding.color[4] = blinkColor(); 
 				      end, menu_state)
-    currentlyChosen.data = { name = name, binding = binding, player = player, key = key, label = binding }
+    currentlyChosen.data = { bindingIdx = bindingIdx, player = player, key = key, label = label }
     currentlyChosen.onDelete = function()
-	name.color[4] = 255; 
+	label.color[4] = 255; 
-	binding.color[4] = 255; 
     end
 end
 
@@ -125,7 +122,7 @@ function menu_state:keypressed(key, unicode)
 	currentlyChosen:delete()
 	currentlyChosen = nil
     else
-	KEYMAP[currentlyChosen.data.player][currentlyChosen.data.key] = key
+	KEYMAP[currentlyChosen.data.player][currentlyChosen.data.key][currentlyChosen.data.bindingIdx] = key
 	currentlyChosen.data.label.label = key
 	currentlyChosen:delete()
 	currentlyChosen = nil

player.lua

@@ -51,30 +51,27 @@ Player = Class{
     update = function(self, dt)
     end;
 
-    press = function(self, key)
+    pressDown = function(self, key, down)
 	local found = false
-        for action, keycode in pairs(self.keys) do
+        for action, bindings in pairs(self.keys) do
+	    for idx, keycode in pairs(bindings) do
 		if key == keycode then
 		    found = true
 		    if self.actions[action] and self.plane then
-                    self.actions[action](true)
+			self.actions[action](down)
+		    end
 		end
 	    end
         end
 	return found
     end;
 
+    press = function(self, key)
+	return self:pressDown(key, true)
+    end;
+
     release = function(self, key)
-	local found = false
+	return self:pressDown(key, false)
-        for action, keycode in pairs(self.keys) do
-            if key == keycode then
-		found = true
-                if self.actions[action] and self.plane then
-                    self.actions[action](false)
-                end
-            end
-        end
-	return found
     end;
 
     joystick = function(self, ...)

settings.lua

@@ -13,21 +13,21 @@ HEIGHT = 768
 
 KEYMAP = {
     [1] = {
-        ccw        = 'k',
+        ccw        = { 'k' },
-        cw         = 'l',
+        cw         = { 'l' },
-        flip       = ',',
+        flip       = { ',' },
-        shoot      = 'o',
+        shoot      = { 'o' },
-        accelerate = 'j',
+        accelerate = { 'j' },
-        decelerate = 'm'
+        decelerate = { 'm' }
     },
 
     [2] = {
-        ccw        = 'a',
+        ccw        = { 'a' },
-        cw         = 's',
+        cw         = { 's' },
-        flip       = 'a',
+        flip       = { 'a' },
-        shoot      = 'w',
+        shoot      = { 'w' },
-        accelerate = 'x',
+        accelerate = { 'x' },
-        decelerate = 'z'
+        decelerate = { 'z' }
     }
 }