track z-axis (layer) on server, use for view init

[peach-cgt.git] / client.coffee

diff --git a/client.coffee b/client.coffee
index 63fd6c6..21587dd 100644 (file)
--- a/client.coffee
+++ b/client.coffee
@@ -1,9 +1,12 @@
 # globals
 $table = null
+table_height = 0
+card_height = 0
 state = null
 server_url = null
+top_card_z = 0 # css z-index of front-most card
 
-message = (txt) ->
+show_message = (txt) -> txt
        # FIXME implement chat box or something
 
 # timeout function with args in convenient order
@@ -23,27 +26,56 @@ unless Array::shuffle?
 
 new_button = (text) -> $ $ "<div class=\"button\">#{text}</div>"
 
-instantiate_card = (model) ->
-       text = model.text
-       x = model.x
-       y = model.y
-       card = $ $ "<div class=\"card\" style=\"left: #{x}px; top: #{y}px\"><span class=\"cardtext\">#{text}</span></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_x = (x) -> x
+transform_y = (y) ->
+       return y unless state.agent is 'p2'
+       return table_height - card_height - y
+
+next_card_z = -> return top_card_z += 1
+
+bring_card_to_front = (card) ->
+       card.view.css "z-index": next_card_z()
+
+instantiate_card = (card) ->
+       text = card.text
+       if card.owner is state.agent
+               card_class = 'my_card'
+       else
+               card_class = 'your_card'
+
+       # initial card state from server has z so that stacks come out with the right layers
+       if card.z?
+               if card.z > top_card_z
+                       top_card_z = card.z
+       else
+               unless card.pile
+                       card.z = next_card_z()
+
+       view = $ $ "<div class=\"card #{card_class}\" style=\"left: #{transform_x(card.x)}px; top: #{transform_y(card.y)}px; z-index: #{card.z}\"><span class=\"cardtext\">#{text}</span></div>"
        button_box = $ $ '<div/>'
        flip_button = new_button "flip over"
        mark_button = new_button "mark"
        flip_button.bind 'click', ->
-               state.flip state.agent, model.number, ! card.hasClass 'flipped'
+               state.flip state.agent, card.number, ! view.hasClass 'flipped'
        mark_button.bind 'click', ->
-               state.mark state.agent, model.number, ! card.hasClass 'marked'
+               state.mark state.agent, card.number, ! view.hasClass 'marked'
        button_box.append flip_button
        button_box.append mark_button
-       card.append button_box
-       $table.append card
-       card.draggable stack: '.card'
-       card.bind 'dragstop', (event, ui) ->
-               p = card.position()
-               state.move state.agent, model.number, p.left, p.top
-       model.view = card
+       view.append button_box
+       if card.marked
+               view.addClass 'marked'
+       if card.flipped
+               view.addClass 'flipped'
+       $table.append view
+       view.draggable containment: '#table', grid: [20, 20]
+       view.bind 'dragstart', (event, ui) ->
+               view.css 'z-index': card.z = next_card_z()
+       view.bind 'dragstop', (event, ui) ->
+               p = view.position()
+               state.move state.agent, card.number, transform_x(p.left), transform_y(p.top), card.z
+       card.view = view
 
 error_lag = 3
 
@@ -70,13 +102,13 @@ send_updates = ->
                type: 'POST'
                dataType: 'json'
                error: (xhr, status, error) ->
-                       message "Network error while sending, you might want to refresh. Trying again in #{error_lag} seconds. (Status: #{status}, Error: #{error})"
+                       show_message "Network error while sending, you might want to refresh. Trying again in #{error_lag} seconds. (Status: #{status}, Error: #{error})"
                        for message in messages
                                outgoing_messages.unshift message
                        timeout error_lag * 1000, send_updates
                        error_lag *= 2
                success: (data, status, xhr) ->
-                       message "update sent"
+                       show_message "update sent"
                        error_lag = 3
        }
 
@@ -106,12 +138,13 @@ init = ->
                server_url = window.location
 
        state = window.game_model.new me
-       state.on 'move', (agent, card, x, y) ->
+       state.on 'move', (agent, card, x, y, z) ->
                # FIXME add/handle pile argument
                if agent is me
-                       tell_server ['move', agent, card, x, y]
+                       tell_server ['move', agent, card, x, y, z]
                else
-                       state.cards[card].view.animate { left: "#{x}px", top: "#{y}px"}, 800
+                       bring_card_to_front state.cards[card]
+                       state.cards[card].view.animate { left: "#{transform_x x}px", top: "#{transform_y y}px"}, 800
        state.on 'mark', (agent, card, state) ->
                @cards[card].view.toggleClass 'marked', state
                if agent is me
@@ -130,7 +163,13 @@ init = ->
 
        # timeout so browser will stop showing that we're loading
        timeout 1, poll_for_updates
+       timeout 2, ->
+               # ask for initial state
+               tell_server ['send_state', state.agent]
 
 $ ->
        $table = $ '#table'
+       table_height = $table.height()
+       card_height = $('#loading-card').outerHeight()
+
        init()