src/game: add basic save system

sonic-radiance.love/game/init.lua

@@ -0,0 +1,140 @@
+-- game :: The main game subsystem. Basically a big object that handle all the
+-- game-related data like characters, monsters, etc. While the core aim to be
+-- reusable at will, the game is specifically made for the current game.
+
+--[[
+  Copyright © 2019 Kazhnuz
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy of
+  this software and associated documentation files (the "Software"), to deal in
+  the Software without restriction, including without limitation the rights to
+  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+  the Software, and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+]]
+
+local Game = Object:extend()
+
+
+local binser  = require "libs.binser"
+
+function Game:new()
+  self.slot = -1
+  self.gametime = 0
+end
+
+function Game:setData(data)
+  local data = data
+  self.gametime = data.gametime
+end
+
+function Game:getData()
+  local data = {}
+  data.gametime   = self.gametime
+
+  return data
+end
+
+function Game:read(save_id)
+  self.slot = save_id
+  if (self.slot > 0) then
+    filepath = self:getSaveFile(self.slot, true)
+    if love.filesystem.exists("save" .. self.slot .. ".save") then
+      local loadedDatas = binser.readFile(filepath)
+
+      self:setData(loadedDatas[1])
+
+    end
+  end
+end
+
+function Game:write(save_id)
+  if (self.slot > 0) then
+    local data = self:getData()
+
+    filepath = self:getSaveFile(self.slot, true)
+    binser.writeFile(filepath, data)
+  end
+end
+
+function Game:getSaveFile(saveslot, absolute)
+  local dir = ""
+  if absolute then
+    dir = love.filesystem.getSaveDirectory() .. "/"
+    if not love.filesystem.exists(dir) then
+      love.filesystem.createDirectory( "" )
+    end
+  end
+
+  local filepath = dir .. "save" .. saveslot .. ".save"
+
+  return filepath
+end
+
+function Game:resetSaves()
+  for i=1, 3 do
+    filepath = self:getSaveFile(i, true)
+    if love.filesystem.exists("save" .. i .. ".save") then
+      love.filesystem.remove( "save" .. i .. ".save" )
+    end
+  end
+end
+
+function Game:update(dt)
+  self.gametime = self.gametime + dt
+end
+
+function Game:getTime()
+  local time = self.gametime
+  local hours, minute, seconds
+  seconds = math.floor(self.gametime)
+  minutes = math.floor(seconds / 60)
+  hours = math.floor(minutes / 60)
+  seconds = seconds % 60
+  minutes = minutes % 60
+  hours = hours
+
+  return seconds, minutes, hours
+end
+
+function Game:getTimeString()
+  local string
+  local seconds, minutes, hours = self:getTime()
+  local stringSeconds, stringMinutes, stringHours
+  if (seconds <= 9) then
+    stringSeconds = 0 .. seconds
+  else
+    stringSeconds = seconds
+  end
+
+  if (minutes <= 9) then
+    stringMinutes = 0 .. minutes
+  else
+    stringMinutes = minutes
+  end
+
+  if (hours <= 9) then
+    stringHours = 0 .. hours
+  else
+    stringHours = hours
+  end
+
+  string = stringHours .. ":" .. stringMinutes .. ":" .. stringSeconds
+  return string
+end
+
+function Game:printTime()
+  print(self:getTimeString())
+end
+
+return Game

sonic-radiance.love/main.lua

@@ -24,11 +24,14 @@
 utils   = require "libs.loveutils"
 Object  = require "libs.classic"
 Core    = require "core"
+Game    = require "game"
 
 function love.load()
   core = Core()
+  game = Game()
 end
 
 function love.update(dt)
   core:update(dt)
+  game:update(dt)
 end