MultiDimensional Arrays

[DarkShadows_Legend]

This is new to me and it looks weird. Will someone be kind enough to explain to me how they work and provide some basic examples. I just got GS2 on this world I'm developing and want to experiment with this stuff.

I have seen some scripts that have lines of code like ...

NPC Code:

---

myvar = {{{val}}, val2, val3};

---

I believe there is another way of creating them for GS2 that is like old GS1

GS1 -> setarray myvar,length;
GS2 -> setarray(myvar,length); // not quite sure

How would a multidimensional array be set for GS2?

If anyone could explain this to me and provide a couple of examples I would be extremely greatful. Thanks

[Velox Cruentus]

var = new[length];

var[x] = new[x];

Or:

var = {{x,y},{x,y}};

You can grab the variables by:

var[1][1];

[Kaimetsu]

Originally Posted by Velox Cruentus

var = new[length];

I think there's also a way to have the array be initialised as multi-dimensional. new[height,width]?

[Zero Hour]

What's advantages does a multidimensional array have? I cannot understand any use.

[Evil_Trunks]

it's basically an easier to use string list, i think

normally when you want to create a structure like this

NPC Code:

---

item1

- sub info 1

- sub info 2

- sub info 3

item2

- sub info 1

- sub info 2

- sub info 3

item3

- sub info 1

- sub info 2

- sub info 3

---

you have to use a long string list:

NPC Code:

---

sub info 1,sub info 2, sub info 3, sub info 1,sub info 2, sub info 3, sub info 1,sub info 2, sub info 3

---

and use simple math to figure out where the info is (the index is i*n+3 for this example, where i is the item and n is the sub item)

with a multidimensional array, it's a little easier

NPC Code:

---

array = {{sub info 1,sub info 2, sub info 3},{sub info 1,sub info 2, sub info 3}, {sub info 1,sub info 2, sub info 3}}

---

you can access the items with:

array[i][n]

[Velox Cruentus]

Now -- The utility can be a variety of things... First off, the arrays can now carry texts...
You can use it to create a background for easy access to the x and y coordinates, such as:

PHP Code:

  this.levelt := new[64,64];
  for (i = 0; i < (64*64); i++)
    this.level[i%64][int(i/64)] = tiletype(i%64,int(i/64)); 


And then grab the variables by:
this.levelt[x][y]; Making it just a different way to bypass it, or store variables. This could be used to make minigames with tiles of your own set, were you create the blocking via tiles:

PHP Code:

this.var := {
 {0,1,1,0,0,2,0},
 {0,1,0,0,1,2,0},
 {0,0,0,1,2,2,1}
}; 


Or... You can use it, in the case that I did in my Item System script:

PHP Code:

this.item := {{"Prop",var},{"Prop",var}}; 


It all depends on what you want to use it for.

[Zero Hour]

Ah, I see

[PrinceDark]

This is a very nice addition. Saves me the trouble of creating so many separate arrays/string lists. Thanks all.

[Evil_Trunks]

Originally Posted by Velox Cruentus

PHP Code:

  this.levelt := new[64,64];
  for (i = 0; i < (64*64); i++)
    this.level[i%64][int(i/64)] = tiletype(i%64,int(i/64)); 


loading an entire level into a string list lagged the server a LOT when I did it before, and the new multidimensional (string) arrays seem to be a lot like string lists in disguise....

[Velox Cruentus]

Try clientside. It was an example.

It is a string list... Easier to access them (Infact, you can get the index of a stringlist as such: string[index]).

=) Strings and variables are interchangible now (which is why you can do: player.chat == "Woop!")

[Evil_Trunks]

Originally Posted by Velox Cruentus

=) Strings and variables are interchangible now (which is why you can do: player.chat == "Woop!")

there is still a big speed difference between using numeric arrays and string lists/string arrays

[Velox Cruentus]

Of course -- Digits take a lot less space then letters. It's pretty much known. Take this for example:

(-- binary, 2 bytes in length --)
5 (5) = 0000 0101
A (65) = 0100 0001

Now... Which one do you think has the least data to support? Plus they have to mention that the latter binary is a string. More calculations to make... Funness.

[Kaimetsu]

Originally Posted by Velox Cruentus

Of course -- Digits take a lot less space then letters

Dude, a digit is a character just as much as a letter is.

(-- binary, 2 bytes in length --)
5 (5) = 0000 0101
A (65) = 0100 0001

Those representations are not two bytes long.

Now... Which one do you think has the least data to support?

What are you attempting to prove? Both of those representations use the same amount of bytes.

[Velox Cruentus]

They are? I thought numbers are directly equivelent to what they mean, whereas letters are...

A byte isn't 4 bits?

[Kaimetsu]

Originally Posted by Velox Cruentus

They are? I thought numbers are directly equivelent to what they mean, whereas letters are...

You said 'digit', not 'number'.

A byte isn't 4 bits?

No.