2024-03-16 22:21:50 +00:00
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nflags=klass()
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function nflags:init(o)
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self.c = o.c or 0 -- custom
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self.e = o.e or 0 -- effect
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self.v = o.v or 0 -- volume
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self.w = o.w or 0 -- waveform
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self.p = o.p or 0 -- pitch
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self:validate()
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end
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2024-03-16 23:23:31 +00:00
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function nflags:clone()
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return nflags:new(self)
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end
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2024-03-16 22:21:50 +00:00
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function nflags:validate()
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local c,e,v,w,p
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=self.c,self.e,self.v,self.w,self.p
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assert_range(c,0,2,"custom")
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assert_range(e,0,8,"effect")
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assert_range(v,0,8,"volume")
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assert_range(w,0,8,"waveform")
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assert_range(p,0,64,"pitch")
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end
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function nflags:encode()
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self:validate()
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local c,e,v,w,p
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=self.c,self.e,self.v,self.w,self.p
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c &= 0xffff
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e &= 0xffff
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v &= 0xffff
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w &= 0xffff
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p &= 0xffff
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return (
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(c << 15) |
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(e << 12) |
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(v << 9) |
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(w << 6) |
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(p)
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)
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end
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