Posted: 3/19/2016 3:28 PM
Post subject: Help with lua script?
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Real96
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Joined: 3/19/2016
Posts: 15
I'm making a lua script for DeSmuMe. I want to use this command to save a value on save state: savestate.registersave(function() return frame end). But the emulator gives me this error: :50: attempt to call field 'registersave' (a nil value). Why? How can i solve this error?
Posted: 3/19/2016 4:12 PM
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Masterjun
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There is no function in DeSmuMe that is being called when you save a state. The only thing you can do is use lua itself to save a state (with the savestate.save() and savestate.load() functions).
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Posted: 3/19/2016 4:16 PM
Post subject: Re: Help with lua script?
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Real96
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Masterjun wrote:
There is no function in DeSmuMe that is being called when you save a state. The only thing you can do is use lua itself to save a state (with the savestate.save() and savestate.load() functions).
Ah ok...so there is no solution for this t.t thanks!
Posted: 3/19/2016 4:20 PM
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feos
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Attach to keyboard key that you use to save a state?
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Posted: 3/19/2016 4:25 PM
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Real96
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feos wrote:
Attach to keyboard key that you use to save a state?
I need to make save state and reload back all the value...but the problem is that i can't relaod the correct "frame". I can pass you the code if you want...so you can understand...
Posted: 3/19/2016 4:34 PM
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feos
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Ok.
Warning: When making decisions, I try to collect as much data as possible before actually deciding. I try to abstract away and see the principles behind real world events and people's opinions. I try to generalize them and turn into something clear and reusable. I hate depending on unpredictable and having to make lottery guesses. Any problem can be solved by systems thinking and acting.
Posted: 3/19/2016 5:43 PM
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Real96
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Solved. Thanks for the answer guys!
Posted: 3/19/2016 5:43 PM
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Masterjun
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np
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Posted: 3/19/2016 5:43 PM
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feos
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How? Here's my example but it doesn't fire consistently for some odd reason. 
Language: lua
prev_keys = input.get()
function lol()
	keys = input.get()
	if keys["shift"] then
		if keys["F1"] and not prev_keys["F1"] then
			print("Hey you saved state 1!")
		end
	end
	prev_keys = keys
end
gui.register(lol)
Warning: When making decisions, I try to collect as much data as possible before actually deciding. I try to abstract away and see the principles behind real world events and people's opinions. I try to generalize them and turn into something clear and reusable. I hate depending on unpredictable and having to make lottery guesses. Any problem can be solved by systems thinking and acting.
Posted: 3/19/2016 5:45 PM
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Real96
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Joined: 3/19/2016
Posts: 15
feos wrote:
How? Here's my example but it doesn't fire consistently for some odd reason. 
Language: lua
prev_keys = input.get()
function lol()
	keys = input.get()
	if keys["shift"] then
		if keys["F1"] and not prev_keys["F1"] then
			print("Hey you saved state 1!")
		end
	end
	prev_keys = input.get()
end
gui.register(lol)
I was also thinking a something like that. Does it works?
Posted: 3/19/2016 5:46 PM
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Masterjun
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The solution wasn't a solution to the generic problem of saving a value on a savestate. It was a solution to the specific problem which could be solved without that feature.
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Posted: 3/19/2016 5:47 PM
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Real96
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Posts: 15
Masterjun wrote:
The solution wasn't a solution to the generic problem of saving a value on a savestate. It was a solution to the specific problem which could be solved without that feature.
Yes, exactly as it said