116 lines
2.9 KiB
Lua
116 lines
2.9 KiB
Lua
--[[
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The Actor Class for animX
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Author: Neer
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]]
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local Actor={
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animations, --list of all the animations in the actor
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current, --the current animation (by it's name)
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p_onAnimSwitch, --handler called when an animation is switched [internal]
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}
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--an internal function which just sets the default values
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function Actor:init()
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self.animations={}
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self.p_onAnimSwitch=function() end
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end
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function Actor:switch(newState)
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local prevState=self.current
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if prevState==newState then return self end
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--This prevents a recursive situation!!
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if self:isActive() then self:stopAnimation() end
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self.current=newState
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self:p_onAnimSwitch(prevState)
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self:startAnimation()
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return self
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end
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--Checks if the current animation of the actor is stopped
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function Actor:isActive()
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if not self:getCurrentAnimation() then return false end
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return self:getCurrentAnimation():isActive()
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end
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--Stops the actor's animation
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function Actor:stopAnimation()
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if self:getCurrentAnimation() then
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self:getCurrentAnimation():stop()
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end
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return self
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end
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--Starts the animation for the actor
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function Actor:startAnimation()
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if self:getCurrentAnimation() then
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self:getCurrentAnimation():start()
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end
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return self
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end
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--These functions is defined in the main file
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Actor.addAnimation=nil
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Actor.exportToXML=nil
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--Not to be confused with p_onAnimSwitch!
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function Actor:onSwitch(fn)
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self.p_onAnimSwitch=fn
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return self
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end
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--Returns the given or current animation if given arg is nil
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function Actor:getAnimation(name)
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return self.animations[name or self.current]
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end
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--Returns the current animation that's being rendered
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function Actor:getCurrentAnimation()
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return self:getAnimation(self.current)
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end
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--Gets a table of all the states
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function Actor:getStates()
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local t={}
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for i in pairs(self.animations) do
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t[#t+1]=i
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end
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return t
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end
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--Loops all the animations in the actor
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function Actor:loopAll(...)
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for i in pairs(self.animations) do
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self.animations[i]:loop(...)
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end
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return self
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end
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--Returns the name of the current animation
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function Actor:getName() return self.current end
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--Returns the size of the current animation
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function Actor:getDimensions() return self:getCurrentAnimation():getDimensions() end
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function Actor:getWidth() return self:getCurrentAnimation():getWidth() end
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function Actor:getHeight() return self:getCurrentAnimation():getHeight() end
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--Sets the style of the image
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function Actor:setStyle(val) self:getCurrentAnimation():setStyle(val) return self end
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--Flips the current animation
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function Actor:flip(...) self:getCurrentAnimation():flip(...) return self end
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function Actor:flipX(...) self:getCurrentAnimation():flipX(...) return self end
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function Actor:flipY(...) self:getCurrentAnimation():flipY(...) return self end
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function Actor:render(...)
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self:getCurrentAnimation():render(...)
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end
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--==Aliases==--
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Actor.getCurrentAnim=Actor.getCurrentAnimation
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Actor.getState=Actor.getName
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Actor.changeAnim=Actor.switch
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Actor.set=Actor.switch
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Actor.draw=Actor.render
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return Actor |