Initial Commit - 1.0.0k

engine/animatedsprite.lua

@@ -0,0 +1,107 @@
+--Class
+AnimatedSprite = Sprite:extend()
+
+--Class Methods
+function AnimatedSprite:init(X, Y, W, H, new_sprite_atlas, sprite_pos)
+    Sprite.init(self,X, Y, W, H, new_sprite_atlas, sprite_pos)
+    self.offset = {x = 0, y = 0}
+
+    table.insert(G.ANIMATIONS, self)
+    if getmetatable(self) == AnimatedSprite then 
+        table.insert(G.I.SPRITE, self)
+    end
+end
+
+function AnimatedSprite:rescale()
+    self.scale_mag = math.min(self.scale.x/self.T.w,self.scale.y/self.T.h)
+end
+
+function AnimatedSprite:reset()
+    self.atlas = G.ANIMATION_ATLAS[self.atlas.name]
+    self:set_sprite_pos({x = self.animation.x, y = self.animation.y})
+end
+
+function AnimatedSprite:set_sprite_pos(sprite_pos)
+    self.animation = {
+        x= sprite_pos and sprite_pos.x or 0,
+        y=sprite_pos and sprite_pos.y or 0,
+        frames=self.atlas.frames,current=0,
+        w=self.scale.x, h=self.scale.y}
+
+    self.frame_offset = 0
+
+    self.current_animation = {
+        current = 0,
+        frames = self.animation.frames,
+        w = self.animation.w,
+        h = self.animation.h}
+
+    self.image_dims = self.image_dims or {}
+    self.image_dims[1], self.image_dims[2] = self.atlas.image:getDimensions()
+
+    self.sprite = love.graphics.newQuad( 
+    0,
+    self.animation.h*self.animation.y,
+    self.animation.w,
+    self.animation.h,
+    self.image_dims[1], self.image_dims[2])
+    self.offset_seconds = G.TIMERS.REAL
+end
+
+function AnimatedSprite:get_pos_pixel()
+    self.RETS.get_pos_pixel = self.RETS.get_pos_pixel or {}
+    self.RETS.get_pos_pixel[1] = self.current_animation.current
+    self.RETS.get_pos_pixel[2] = self.animation.y
+    self.RETS.get_pos_pixel[3] = self.animation.w
+    self.RETS.get_pos_pixel[4] = self.animation.h
+    return self.RETS.get_pos_pixel
+end
+
+function AnimatedSprite:draw_self()
+    if not self.states.visible then return end
+
+    prep_draw(self, 1)
+    love.graphics.scale(1/self.scale_mag)
+    love.graphics.setColor(G.C.WHITE)
+    love.graphics.draw(
+        self.atlas.image, 
+        self.sprite,
+        0 ,0,
+        0,
+        self.VT.w/(self.T.w),
+        self.VT.h/(self.T.h)
+    )
+    love.graphics.pop()
+end
+
+function AnimatedSprite:animate()
+    local new_frame = math.floor(G.ANIMATION_FPS*(G.TIMERS.REAL - self.offset_seconds))%self.current_animation.frames
+    if new_frame ~= self.current_animation.current then
+        self.current_animation.current = new_frame
+        self.frame_offset = math.floor(self.animation.w*(self.current_animation.current))
+        self.sprite:setViewport( 
+            self.frame_offset,
+            self.animation.h*self.animation.y,
+            self.animation.w,
+            self.animation.h)
+    end
+    if self.float then 
+        self.T.r = 0.02*math.sin(2*G.TIMERS.REAL+self.T.x)
+        self.offset.y = -(1+0.3*math.sin(0.666*G.TIMERS.REAL+self.T.y))*self.shadow_parrallax.y
+        self.offset.x = -(0.7+0.2*math.sin(0.666*G.TIMERS.REAL+self.T.x))*self.shadow_parrallax.x
+    end
+end
+
+function AnimatedSprite:remove()
+    for _, v in pairs(G.ANIMATIONS) do
+        if v == self then
+            table.remove(G.ANIMATIONS, k)
+        end
+    end
+    for _, v in pairs(G.I.SPRITE) do
+        if v == self then
+            table.remove(G.I.SPRITE, k)
+        end
+    end
+    Sprite.remove(self)
+end