Базовый класс юнита, простейший юнит

game/unit.lua

@@ -0,0 +1,50 @@
+BaseUnit = {}
+BaseUnit.__index = BaseUnit
+
+function BaseUnit:new(tilemap, x, y, size)
+    local this = {}
+    this.tilemap = tilemap
+    this.x = x
+    this.y = y
+    this.size = size or 16
+
+    this.sizeHalf = math.floor(this.size / 2) -- TODO: replace with Lua 5.3's integer thingies
+    return setmetatable(this, BaseUnit)
+end
+
+function BaseUnit:middlePoint()
+    return self.x + self.sizeHalf, self.y + self.sizeHalf
+end
+
+function BaseUnit:command(x, y, entity)
+    -- NOOP
+end
+
+function BaseUnit:draw()
+    -- NOOP
+end
+
+function BaseUnit:drawLimited(quad)
+    -- NOOP
+end
+
+function BaseUnit:__tostring()
+    return "BaseUnit(x=" .. self.x .. ", y=" .. self.y .. ")"
+end
+
+----------------------
+
+SomeUnit = setmetatable({}, { __index = BaseUnit })
+SomeUnit.__index = SomeUnit
+
+local unitTexture = love.graphics.newImage("res/unit.png")
+
+function SomeUnit:new(tilemap, x, y)
+    local this = BaseUnit:new(tilemap, x, y, 16)
+
+    return setmetatable(this, SomeUnit)
+end
+
+function SomeUnit:draw()
+    love.graphics.draw(unitTexture, self.x - self.tilemap.offsetX, self.y - self.tilemap.offsetY)
+end