From 3f89f7dbaf990e3f219c1c782fe55455eaa68cbc Mon Sep 17 00:00:00 2001
From: Jason Woofenden <jason@jasonwoof.com>
Date: Thu, 27 Oct 2011 17:19:15 -0400
Subject: [PATCH] player 2 sees table mirrored vertically

---
 client.coffee |   20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/client.coffee b/client.coffee
index 177f3b4..7f22674 100644
--- 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()
-- 
1.7.10.4