variables vcnt, ocnt, and mcnt adding previous values and not resetting to 0

variables vcnt, ocnt, and mcnt adding previous values and not resetting to 0 - Printable Version

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variables vcnt, ocnt, and mcnt adding previous values and not resetting to 0 - archanut - Feb-12-2021

In def DoIt(h5): I am resetting the variables vcnt, ocnt, and mcnt to 0 but when it runs for h4 in hVP: the variables return to their state the last time def count(h4): was triggered by for h4 in hVP:. I want vcnt, ocnt, and mcnt to be 0 every time the for h4 in hVP: loop starts. Help please.

I am checking the state of the variable at this point it the below script

vs.SetRField(h5,'Obj Count','Obj Count',vs.Num2Str(0,ocnt))
vs.AlrtDialog(ocnt) #Displays current count but for somereason is adding the previous count to the current count
vcnt = ocnt = mcnt = 0 #reset to variable to 0
vs.AlrtDialog(ocnt) #displays that variable has been reset to 0

import vs
reset = xP = yP = vcnt = ocnt = mcnt = 0

def count(h4):
	global vcnt, ocnt, mcnt
	ocnt += 1
	if vs.GetTypeN(h4) == 5:
		vcnt += vs.GetVertNum(h4)
	if vs.GetTypeN(h4) == 21:
		vcnt += vs.GetVertNum(h4)
	if vs.GetTypeN(h4) == 40:
		mcnt += 1			

def DoIt(h5):
	global reset,xP,yP, vcnt, ocnt, mcnt
	if h5 != []:
		if vs.GetTypeN(h5) == 16:
			GetHandles(h5)
			for h4 in hVP:
				count(h4)
			vs.SetRecord(h5,'Obj Count')
			vs.SetRField(h5,'Obj Count','Obj Count',vs.Num2Str(0,ocnt))
			vs.AlrtDialog(ocnt) #Displays current count but for somereason is adding the previous count to the current count
			vcnt = ocnt = mcnt = 0 #reset to variable to 0
			vs.AlrtDialog(ocnt) #displays that variable has been reset to 0
			vs.SetRField(h5,'Obj Count','Vertex Count',vs.Num2Str(0,vcnt))
			vs.SetRField(h5,'Obj Count','Mesh Count',vs.Num2Str(0,mcnt))
			vs.Symbol(vs.GetSDName(h5),xP,yP,0)
			xP += 300
			if xP > 5000:
				xP = 0
				yP += 300

def GetHandles2(h1):	
	while h1 != []:
		hSEL.append(h1)
		if vs.GetTypeN(h1) == 92:
			h2 = vs.FInGroup(h1)
			while h2 != []:
				hSEL.append(h2)
				h2 = vs.NextObj(h2)
		h1 = vs.NextObj(h1)

def GetHandles(h5):	
	h2=vs.FInSymDef(h5)
	while h2 != []:
		hVP.append(h2)
		itParent = vs.GetTypeN(h2)  # Get Parent type
		if itParent == 11:
			h3 = vs.FInGroup(h2)
			while h3 != []:
				hVP.append(h3)
				h3 = vs.NextObj(h3)
		h2 = vs.NextObj(h2)

if vs.GetObject('Obj Count') == []:
	vs.NewField('Obj Count', 'Obj Count', '0', 4, 0)
	vs.NewField('Obj Count', 'Vertex Count', '0', 4, 0)
	vs.NewField('Obj Count', 'Mesh Count', '0', 4, 0)


hVP = []
hSEL = []
GetHandles2(vs.FSymDef())
for h5 in hSEL:
	if vs.GetTypeN(h5) == 16:
		DoIt(h5)

RE: variables vcnt, ocnt, and mcnt adding previous values and not resetting to 0 - nilamo - Feb-12-2021

def DoIt(h5):
    global reset,xP,yP, vcnt, ocnt, mcnt
###
            for h4 in hVP:
                count(h4)
###
            vs.AlrtDialog(ocnt) #Displays current count but for somereason is adding the previous count to the current count
            vcnt = ocnt = mcnt = 0 #reset to variable to 0
            vs.AlrtDialog(ocnt) #displays that variable has been reset to 0

count() is where you're setting them. You call count() before you reset them. That's why they have values before you reset them.

And wackiness like that is exactly why you should avoid using globals at all cost. They're hard to debug, and extremely lazy. What's wrong with just returning whatever values you want to use from a function?

import vs
#reset = xP = yP = vcnt = ocnt = mcnt = 0
 
def count(h4, ocnt, vcnt, mcnt):
 #   global vcnt, ocnt, mcnt
    ocnt += 1
    if vs.GetTypeN(h4) == 5:
        vcnt += vs.GetVertNum(h4)
    if vs.GetTypeN(h4) == 21:
        vcnt += vs.GetVertNum(h4)
    if vs.GetTypeN(h4) == 40:
        mcnt += 1           
    return [ocnt, vcnt, mcnt]
 
def DoIt(h5):
    #global reset,xP,yP, vcnt, ocnt, mcnt
    ocnt, vcnt, mcnt = (0, 0, 0)
    if h5 != []:
        if vs.GetTypeN(h5) == 16:
            GetHandles(h5)
            for h4 in hVP:
                ocnt, vcnt, mcnt = count(h4, ocnt, vcnt, mcnt)
            vs.SetRecord(h5,'Obj Count')
            vs.SetRField(h5,'Obj Count','Obj Count',vs.Num2Str(0,ocnt))
            vs.AlrtDialog(ocnt) #Displays current count but for somereason is adding the previous count to the current count
            vcnt = ocnt = mcnt = 0 #reset to variable to 0
            vs.AlrtDialog(ocnt) #displays that variable has been reset to 0

RE: variables vcnt, ocnt, and mcnt adding previous values and not resetting to 0 - deanhystad - Feb-12-2021

Then why do you wait until 4 lines after the loop before you reset the counts?

This is bad way to write code, using global variables to pass values between functions. What about doing something like this?

def count(h4, vcnt, mcnt):
    if vs.GetTypeN(h4) == 5:
        vcnt += vs.GetVertNum(h4)
    if vs.GetTypeN(h4) == 21:
        vcnt += vs.GetVertNum(h4)
    if vs.GetTypeN(h4) == 40:
        mcnt += 1
    return vcnt, mcnt

def DoIt(h5):
    global reset,xP,yP
    if h5 != []:
        if vs.GetTypeN(h5) == 16:
            print('reset')
            GetHandles(h5)
            vcnt = mcnt = 0
            ocnt = len(hVP)
            for h4 in hVP:
                vcnt, mcnt = count(h4, vcnt, mcnt)
            vs.SetRecord(h5,'Obj Count')
            vs.SetRField(h5,'Obj Count','Obj Count',vs.Num2Str(0,ocnt))
            vs.AlrtDialog(ocnt)
            vs.AlrtDialog(ocnt)
            vs.SetRField(h5,'Obj Count','Vertex Count',vs.Num2Str(0,vcnt))
            vs.SetRField(h5,'Obj Count','Mesh Count',vs.Num2Str(0,mcnt))
            vs.Symbol(vs.GetSDName(h5),xP,yP,0)
            xP += 300
            if xP > 5000:
                xP = 0
                yP += 300