player 2 sees table mirrored vertically

diff --git a/client.coffee b/client.coffee
index 177f3b4..7f22674 100644 (file)
--- a/client.coffee
+++ b/client.coffee
@@ -1,5 +1,6 @@
 # globals
 $table = null
+table_height = 0
 state = null
 server_url = null
 
@@ -23,11 +24,18 @@ unless Array::shuffle?
 
 new_button = (text) -> $ $ "<div class=\"button\">#{text}</div>"
 
+# transform coordinates from client-side coords to server-side coords (or back)
+# this makes it so p2 view everything upside down (mirrored), but still sends coords rightside up
+transform_coords = (coords) ->
+       ret = {left: coords.left, top: coords.top}
+       if state.agent is 'p2'
+               ret.top = table_height - ret.top
+       return ret
+
 instantiate_card = (card) ->
        text = card.text
-       x = card.x
-       y = card.y
-       view = $ $ "<div class=\"card\" style=\"left: #{x}px; top: #{y}px\"><span class=\"cardtext\">#{text}</span></div>"
+       view_coords = transform_coords {left: card.x, top: card.y}
+       view = $ $ "<div class=\"card\" style=\"left: #{view_coords.left}px; top: #{view_coords.top}px\"><span class=\"cardtext\">#{text}</span></div>"
        button_box = $ $ '<div/>'
        flip_button = new_button "flip over"
        mark_button = new_button "mark"
@@ -45,7 +53,7 @@ instantiate_card = (card) ->
        $table.append view
        view.draggable stack: '.card'
        view.bind 'dragstop', (event, ui) ->
-               p = view.position()
+               p = transform_coords view.position()
                state.move state.agent, card.number, p.left, p.top
        card.view = view
 
@@ -115,7 +123,8 @@ init = ->
                if agent is me
                        tell_server ['move', agent, card, x, y]
                else
-                       state.cards[card].view.animate { left: "#{x}px", top: "#{y}px"}, 800
+                       coords = transform_coords {left: x, top: y}
+                       state.cards[card].view.animate { left: "#{coords.left}px", top: "#{coords.top}px"}, 800
        state.on 'mark', (agent, card, state) ->
                @cards[card].view.toggleClass 'marked', state
                if agent is me
@@ -140,4 +149,5 @@ init = ->
 
 $ ->
        $table = $ '#table'
+       table_height = $table.height() - 148 # FIXME auto-detect card height
        init()