- Primer 'redo' de part del codi

- Afegida la pantalla de titol

data/flow.lua

@@ -0,0 +1,63 @@
+flow={
+    level=1,
+    step={0},
+    paths={ {flow_safe} },
+    registre={ }    
+    -- sub_path_enable = false,
+    -- sub_step = 0,
+    -- sub_path={}
+}
+
+function flow_safe()
+    print("FLOW SAFE")
+end
+
+function flow:print()
+    print("> STEP= "..self.step.." / "..#self.path)
+    if self.sub_path_enable then
+        print("> SUB_PATH_ENABLE= TRUE")
+    else
+        print("> SUB_PATH_ENABLE= FALSE")
+    end
+    print("> SUB_STEP= "..self.sub_step.." / "..#self.sub_path)
+    print("")
+end
+
+function flow:next()
+    local level_step = self.step[self.level]
+    local level_path = self.paths[self.level]
+    -- print("LEVEL= "..self.level)
+    -- print("LEVEL_STEP= "..level_step)
+    if level_step+1 > #level_path then
+        -- Si s'ha acabat la llista pujar de nivell
+        if self.level>1 then self.level=self.level-1 end
+        level_step = self.step[self.level]
+        -- level_path = self.paths[self.level]
+    end
+    
+    -- següent pas
+    level_step = level_step+1
+    game_update = self.paths[self.level][level_step]
+    
+    -- result = self.step[self.level]
+    self.step[self.level] = level_step
+end
+
+function flow:restore()
+    local level_step = self.step[self.level]
+    game_update = self.paths[self.level][level_step]
+end
+
+function flow:call(nom)
+    game_update = self.registre[nom]
+end
+
+function flow:add_path( path )
+    self.level = self.level+1
+    self.step[self.level] = 0
+    self.paths[self.level] = path
+end
+
+function flow:add(name, fn)
+   self.registre[name] = fn 
+end