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[Q] Complex Lua question |P to Unicode String to P on Button

 
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Gravitary
How do I cheat?
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Joined: 13 Jan 2022
Posts: 0
PostPosted: Thu Jan 13, 2022 10:32 am    Post subject: [Q] Complex Lua question |P to Unicode String to P on Button Reply with quote
Hello everyone,

I wanted to get more into assembler and LUA so I decided to take one of my favorite games apart, so far successfully, learning a lot in the meantime.
However, I have run into a wall that I can't solve yet.

What I have:

    Level 2 pointer to X
    Level 2 pointer to Y
    Level 4 pointer to X2
    Level 4 pointer to Y2


What I want:
At the press of a button, I want to read from X2, Y2 and put the value into the memory of X, Y respectively.

The issue:

    X and Y are floats
    X2 and Y2 are Unicode String[5] and need to be parsed.
    I have no clue how to do all that at the press of a button


Nice to have:
Freezing X and Y via LUA as well instead of over Toggle Freeze.

Any help is appreciated.
Best regards.
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Frouk
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Joined: 22 Jun 2021
Posts: 489
Location: mov dword ptr [Ukraine]
PostPosted: Sat Jan 15, 2022 6:24 am    Post subject: Reply with quote
@atom0s move it to lua scripting,this post is in inappropriate section
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LeFiXER
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Joined: 02 Sep 2011
Posts: 1055
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PostPosted: Sat Jan 15, 2022 7:18 am    Post subject: Re: [Q] Complex Lua question |P to Unicode String to P on Bu Reply with quote
Gravitary wrote:
Hello everyone,

I wanted to get more into assembler and LUA so I decided to take one of my favorite games apart, so far successfully, learning a lot in the meantime.
However, I have run into a wall that I can't solve yet.

What I have:

    Level 2 pointer to X
    Level 2 pointer to Y
    Level 4 pointer to X2
    Level 4 pointer to Y2


What I want:
At the press of a button, I want to read from X2, Y2 and put the value into the memory of X, Y respectively.

The issue:

    X and Y are floats
    X2 and Y2 are Unicode String[5] and need to be parsed.
    I have no clue how to do all that at the press of a button


Nice to have:
Freezing X and Y via LUA as well instead of over Toggle Freeze.

Any help is appreciated.
Best regards.


You can use a timer to set the value of X and Y via Lua. As for the Unicode String you could use the Lua function tonumber(variable).
Code:

local x = "500.00"

-- print is to show the casting although visibly, they look the same.
print(tonumber(x))


For a timer you can do something like this:
Code:

local mytimer = createTimer(getMainForm())
mytimer.Interval = 1000 -- Interval is in milliseconds
mytimer.OnTimer = function()
                     local al = getAddressList()
                     local X = al.getMemoryRecordByDescription("Entry in table that has X description")
                     local Y = al.getMemoryRecordByDescription("Entry in table that has Y description")

                     local X2 = al.getMemoryRecordByDescription("Entry in table that has X2 description")
                     local Y2 = al.getMemoryRecordByDescription("Entry in table that has Y2 description")

                     -- Double-check that the entries exist
                     if X ~= nil and Y ~= nil and X2 ~= nil and Y2 ~= nil then
                        X.Value = tonumber(X2)
                        Y.Value = tonumber(Y2)
                     else
                        -- If the entries don't exist, we don't want the timer to continue running so we kill it
                        mytimer.destroy()
                        mytimer = nil
                     end
                  end
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