Add mixpanel for tracking event

.gitignore

@@ -11,3 +11,4 @@ src/maps/*.lua
 venv
 tmx2lua*
 release.md
+src/conf.lua.bak

Makefile

@@ -6,8 +6,11 @@ previous_version = $(shell python scripts/version.py previous)
 
 love: maps
 	mkdir -p build
+	cp src/conf.lua src/conf.lua.bak
+	python scripts/release_conf.py
 	cd src && zip -r ../build/hawkthorne.love . -x ".*" \
-		-x ".DS_Store" -x "*/full_soundtrack.ogg"
+		-x ".DS_Store" -x "*/full_soundtrack.ogg" -x "*/conf.lua.bak"
+	mv src/conf.lua.bak src/conf.lua
 
 maps: $(patsubst %.tmx,%.lua,$(wildcard src/maps/*.tmx))
 positions: $(patsubst %.png,%.lua,$(wildcard src/positions/*.png))

scripts/release_conf.py

@@ -0,0 +1,12 @@
+import os
+
+with open("src/conf.lua.bak") as f:
+    conf = f.read()
+
+    conf = conf.replace("t.release           = false",
+                        "t.release           = true")
+    conf = conf.replace("ac1c2db50f1332444fd0cafffd7a5543",
+                        os.environ["MIXPANEL_TOKEN"])
+
+    with open("src/conf.lua", "w") as g:
+        g.write(conf)

src/conf.lua

@@ -10,4 +10,6 @@ function love.conf(t)
     t.modules.physics   = false
     t.modules.joystick  = false
     t.release           = false
+    -- custom variables
+    t.mixpanel          = "ac1c2db50f1332444fd0cafffd7a5543"
 end

src/main.lua

@@ -1,4 +1,5 @@
 local correctVersion = require 'correctversion'
+
 if correctVersion then
 
   require 'utils'
@@ -12,19 +13,31 @@ if correctVersion then
   local controls = require 'controls'
   local hud = require 'hud'
   local cli = require 'vendor/cliargs'
+  local mixpanel = require 'vendor/mixpanel'
   local character = require 'character'
 
   -- XXX Hack for level loading
   Gamestate.Level = Level
 
-  -- will hold the currently playing sources
+  -- Get the current version of the game
+  local function getVersion()
+    return split(love.graphics.getCaption(), "v")[2]
+  end
+
+  local function getConfiguration()
+    local t = {modules = {}, screen = {}}
+    love.conf(t)
+    return t
+  end
 
   function love.load(arg)
     table.remove(arg, 1)
     local state = 'splash'
+    local conf = getConfiguration()
 
     -- SCIENCE!
-    love.thread.newThread('ping', 'ping.lua'):start()
+    mixpanel.init(conf.mixpanel)
+    mixpanel.track('game.opened', {version=getVersion()})
 
     -- set settings
     local options = require 'options'

src/vendor/mixpanel.lua

@@ -0,0 +1,22 @@
+require "vendor/json"
+
+local mixpanel = {}
+local thread = nil
+local token = nil
+
+function mixpanel.init(t)
+  thread = love.thread.newThread("mixpanel", "vendor/mixpanel_thread.lua")
+  thread:start()
+  token = t
+end
+
+function mixpanel.track(event, data)
+  assert(thread, "Can't find the mixpanel thread")
+
+  local data = data or {}
+  data.token = token
+
+  thread:set("point", json.encode({event=event, properties=data}))
+end
+
+return mixpanel

src/vendor/mixpanel_thread.lua

@@ -0,0 +1,10 @@
+local http = require("socket.http")
+local mime = require("mime")
+
+local thread = love.thread.getThread()
+
+while true do
+  local point = mime.b64(thread:demand("point"))
+  local url = "http://api.mixpanel.com/track/?data=" .. point .. "&ip=1"
+  local b, c, h = http.request(url)
+end