TSI MACD by Jwammo12

//@version=5
indicator(title='TSI MACD by Jwammo12', shorttitle='TSI_MACD_JW')

// Getting inputs
fast_length = input(title='Fast Length', defval=8)
slow_length = input(title='Slow Length', defval=21)
First_R = input(title='First R', defval=8)
Second_S = input(title='Second S', defval=5)
src = input(title='Source', defval=close)
signal_length = input.int(title='Signal Smoothing', minval=1, maxval=50, defval=9)
sma_signal = input(title='Simple MA(Signal Line)', defval=false)


// Plot colors
col_grow_above = #26A69A
col_grow_below = #FFCDD2
col_fall_above = #B2DFDB
col_fall_below = #EF5350
col_macd = #0094ff
col_signal = #ff6a00

// Calculating
fast_ma = ta.ema(src, fast_length)
slow_ma = ta.ema(src, slow_length)
macd = fast_ma - slow_ma


MTM = macd - macd[1]
ABSMTM = math.abs(MTM)

EMA_MTM = ta.ema(MTM, First_R)
EMA_ABSMTM = ta.ema(ABSMTM, First_R)

EMA2_MTM = ta.ema(EMA_MTM, Second_S)
EMA2_ABSMTM = ta.ema(EMA_ABSMTM, Second_S)

TSI = 100.0 * EMA2_MTM / EMA2_ABSMTM

signal = sma_signal ? ta.sma(TSI, signal_length) : ta.ema(TSI, signal_length)

hline(0)
plot(TSI, title='TSI_MACD', color=color.new(col_macd, 0))
plot(signal, title='Signal', color=color.new(col_signal, 0))