Effect is now child of Decoration. Uses Sprite methods and Decoration positioning

1 files changed, 34 insertions, 58 deletions

diff --git a/not/Effect.lua b/not/Effect.lua
index 7010946..1bf9ed7 100644
--- a/not/Effect.lua
+++ b/not/Effect.lua
@@ -1,70 +1,46 @@
--- `Effect`
+--- `Effect`
 -- Short animation with graphics that plays in various situation.
-
--- Metatable of `Effect`
--- nils initialized in constructor
--- TODO: inherit from `not.Sprite`.
--- TODO: clean-up and reformat code, see newer code for reference.
+-- TODO: animation is currently slower than it used to be, check if it is ok; if not then make it possible to change it to 0.06 delay.
 Effect = {
-	x = 0,
-	y = 0,
-	delay = 0.06,
-	initial = nil,
-	frame = 1,
-	animation = nil,
-	sprite = nil,
-	quads = require "effects"
+	finished = false,
 }
 
--- Construct of `Effect`
-function Effect:new(name, x, y)
-	-- Meta
-	local o = {}
-	setmetatable(o, self)
-	self.__index = self
-	-- Load spritesheet to metatable if not yet loaded
-	if self.sprite == nil then
-		self.sprite = love.graphics.newImage("assets/effects.png")
+-- `Effect` is a child of `Decoration`.
+require "not.Decoration"
+Effect.__index = Effect
+setmetatable(Effect, Decoration)
+
+-- Constructor of `Effect`.
+function Effect:new (name, x, y)
+	local o = setmetatable({}, self)
+	o:init(name, x, y)
+	-- Load spritesheet statically.
+	if self:getImage() == nil then
+		self:setImage(Sprite.newImage("assets/effects.png"))
 	end
-	-- Init
-	o.initial = o.delay
-	o.animation = name
-	o.x = x or self.x
-	o.y = y or self.y
 	return o
 end
 
--- Position
-function Effect:getPosition()
-	return self.x, self.y
+-- Initializator of `Effect`.
+function Effect:init (name, x, y)
+	Decoration.init(self, x, y, nil)
+	self:setAnimationsList(require("effects"))
+	self:setAnimation(name)
 end
 
--- Animation and return flag for deletion after completion
--- returns true if completed and ready to delete
-function Effect:update(dt)
-	self.delay = self.delay - dt
-	if self.delay < 0 then
-		if self.frame < self.quads[self.animation].frames then
-			self.frame = self.frame + 1
-			self.delay = self.delay + self.initial
-		else
-			return true -- delete
-		end
-	end
-	return false
+-- Update of `Effect`.
+-- Returns true if animation is finished and effect is ready to be deleted.
+function Effect:update (dt)
+	Decoration.update(self, dt)
+	return self.finished
 end
 
--- Draw me with scale and offsets, senpai
-function Effect:draw(offset_x, offset_y, scale)
-	-- locals
-	local offset_x = offset_x or 0
-	local offset_y = offset_y or 0
-	local scale = scale or 1
-	local x, y = self:getPosition()
-	-- pixel grid
-	local draw_x = (math.floor(x) + offset_x) * scale
-	local draw_y = (math.floor(y) + offset_y) * scale
-	-- draw
-	love.graphics.setColor(255,255,255,255)
-	love.graphics.draw(self.sprite, self.quads[self.animation][self.frame], draw_x, draw_y, 0, scale, scale)
-end
\ No newline at end of file
+-- Overridden from `not.Sprite`.
+-- Sets finished flag if reached last frame of played animation.
+function Effect:goToNextFrame ()
+	if not (self.frame == self.current.frames) then
+		self.frame = (self.frame % self.current.frames) + 1
+	else
+		self.finished = true
+	end
+end