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gogodr
I post too much
 Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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 Posted: Thu Nov 12, 2009 7:53 pm Post subject: C# Help using arrays please |
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k so I have a custom class I made and I want to make an array of that class
my custom class is BoardCells
| Code: |
namespace WoWminis
{
class BoardCells
{
public bool isMountain = false;
public bool isForest = false;
public Vector3 position;
}
}
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so I have this at the begging of my public class
| Code: |
BoardCells [,]Cell = new BoardCells[10,11];
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but when I want to write in the array
it says "
"NullReferenceException was unhandled"
"Object reference not set to an instance of an object."
| Code: |
//Board positions
[b]Cell[1, 1].position = new Vector3(-42.5f, 0.1f, 50.3f);[/b]
Cell[1, 2].position = new Vector3(-36.75f, 0.1f, 40.3f);
Cell[1, 3].position = new Vector3(-42.5f, 0.1f, 30.3f);
Cell[1, 4].position = new Vector3(-36.75f, 0.1f, 20.3f);
Cell[1, 5].position = new Vector3(-42.5f, 0.1f, 10.3f);
Cell[1, 6].position = new Vector3(-36.75f, 0.1f, 0.3f);
Cell[1, 7].position = new Vector3(-42.5f, 0.1f, -10.3f);
Cell[1, 8].position = new Vector3(-36.75f, 0.1f, -20.3f);
Cell[1, 9].position = new Vector3(-42.5f, 0.1f, -30.3f);
Cell[1, 10].position = new Vector3(-36.75f, 0.1f, -40.3f);
Cell[1, 11].position = new Vector3(-42.5f, 0.1f, -50.3f);
Cell[2, 1].position = new Vector3(-31f, 0.1f, 50.3f);
Cell[2, 2].position = new Vector3(-25.25f, 0.1f, 40.3f);
Cell[2, 3].position = new Vector3(-31f, 0.1f, 30.3f);
Cell[2, 4].position = new Vector3(-25.25f, 0.1f, 20.3f);
Cell[2, 5].position = new Vector3(-31f, 0.1f, 10.3f);
Cell[2, 6].position = new Vector3(-25.25f, 0.1f, 0.3f);
Cell[2, 7].position = new Vector3(-31f, 0.1f, -10.3f);
Cell[2, 8].position = new Vector3(-25.25f, 0.1f, -20.3f);
Cell[2, 9].position = new Vector3(-31f, 0.1f, -30.3f);
Cell[2, 10].position = new Vector3(-25.25f, 0.1f, -40.3f);
Cell[2, 11].position = new Vector3(-31f, 0.1f, -50.3f);
Cell[3, 1].position = new Vector3(-19.5f, 0.1f, 50.3f);
Cell[3, 2].position = new Vector3(-13.5f, 0.1f, 40.3f);
Cell[3, 3].position = new Vector3(-19.5f, 0.1f, 30.3f);
Cell[3, 4].position = new Vector3(-13.5f, 0.1f, 20.3f);
Cell[3, 5].position = new Vector3(-19.5f, 0.1f, 10.3f);
Cell[3, 6].position = new Vector3(-13.5f, 0.1f, 0.3f);
Cell[3, 7].position = new Vector3(-19.5f, 0.1f, -10.3f);
Cell[3, 8].position = new Vector3(-13.5f, 0.1f, -20.3f);
Cell[3, 9].position = new Vector3(-19.5f, 0.1f, -30.3f);
Cell[3, 10].position = new Vector3(-13.5f, 0.1f, -40.3f);
Cell[3, 11].position = new Vector3(-19.5f, 0.1f, -50.3f);
Cell[4, 1].position = new Vector3(-7.5f, 0.1f, 50.3f);
Cell[4, 2].position = new Vector3(-1.75f, 0.1f, 40.3f);
Cell[4, 3].position = new Vector3(-7.5f, 0.1f, 30.3f);
Cell[4, 4].position = new Vector3(-1.75f, 0.1f, 20.3f);
Cell[4, 5].position = new Vector3(-7.5f, 0.1f, 10.3f);
Cell[4, 6].position = new Vector3(-1.75f, 0.1f, 0.3f);
Cell[4, 7].position = new Vector3(-7.5f, 0.1f, -10.3f);
Cell[4, 8].position = new Vector3(-1.75f, 0.1f, -20.3f);
Cell[4, 9].position = new Vector3(-7.5f, 0.1f, -30.3f);
Cell[4, 10].position = new Vector3(-1.75f, 0.1f, -40.3f);
Cell[4, 11].position = new Vector3(-7.5f, 0.1f, -50.3f);
Cell[5, 1].position = new Vector3(4f, 0.1f, 50.3f);
Cell[5, 2].position = new Vector3(10f, 0.1f, 40.3f);
Cell[5, 3].position = new Vector3(4f, 0.1f, 30.3f);
Cell[5, 4].position = new Vector3(10f, 0.1f, 20.3f);
Cell[5, 5].position = new Vector3(4f, 0.1f, 10.3f);
Cell[5, 6].position = new Vector3(10f, 0.1f, 0.3f);
Cell[5, 7].position = new Vector3(4f, 0.1f, -10.3f);
Cell[5, 8].position = new Vector3(10f, 0.1f, -20.3f);
Cell[5, 9].position = new Vector3(4f, 0.1f, -30.3f);
Cell[5, 10].position = new Vector3(10f, 0.1f, -40.3f);
Cell[5, 11].position = new Vector3(4f, 0.1f, -50.3f);
Cell[6, 1].position = new Vector3(15.75f, 0.1f, 50.3f);
Cell[6, 2].position = new Vector3(10f, 0.1f, 40.3f);
Cell[6, 3 ].position = new Vector3(15.75f, 0.1f, 30.3f);
Cell[6, 4].position = new Vector3(10f, 0.1f, 20.3f);
Cell[6, 5].position = new Vector3(15.75f, 0.1f, 10.3f);
Cell[6, 6].position = new Vector3(10f, 0.1f, 0.3f);
Cell[6, 7].position = new Vector3(15.75f, 0.1f, -10.3f);
Cell[6, 8].position = new Vector3(10f, 0.1f, -20.3f);
Cell[6, 9].position = new Vector3(15.75f, 0.1f, -30.3f);
Cell[6, 10].position = new Vector3(10f, 0.1f, -40.3f);
Cell[6, 11].position = new Vector3(15.75f, 0.1f, -50.3f);
Cell[7, 1].position = new Vector3(27.5f, 0.1f, 50.3f);
Cell[7, 2].position = new Vector3(33.5f, 0.1f, 40.3f);
Cell[7, 3].position = new Vector3(27.5f, 0.1f, 30.3f);
Cell[7, 4].position = new Vector3(33.5f, 0.1f, 20.3f);
Cell[7, 5].position = new Vector3(27.5f, 0.1f, 10.3f);
Cell[7, 6].position = new Vector3(33.5f, 0.1f, 0.3f);
Cell[7, 7].position = new Vector3(27.5f, 0.1f, -10.3f);
Cell[7, 8].position = new Vector3(33.5f, 0.1f, -20.3f);
Cell[7, 9].position = new Vector3(27.5f, 0.1f, -30.3f);
Cell[7, 10].position = new Vector3(33.5f, 0.1f, -40.3f);
Cell[7, 11].position = new Vector3(27.5f, 0.1f, -50.3f);
Cell[8, 1].position = new Vector3(39.25f, 0.1f, 50.3f);
Cell[8, 2].position = new Vector3(45f, 0.1f, 40.3f);
Cell[8, 3].position = new Vector3(39.25f, 0.1f, 30.3f);
Cell[8, 4].position = new Vector3(45f, 0.1f, 20.3f);
Cell[8, 5].position = new Vector3(39.25f, 0.1f, 10.3f);
Cell[8, 6].position = new Vector3(45f, 0.1f, 0.3f);
Cell[8, 7].position = new Vector3(39.25f, 0.1f, -10.3f);
Cell[8, 8].position = new Vector3(45f, 0.1f, -20.3f);
Cell[8, 9].position = new Vector3(39.25f, 0.1f, -30.3f);
Cell[8, 10].position = new Vector3(45f, 0.1f, -40.3f);
Cell[8, 11].position = new Vector3(39.25f, 0.1f, -50.3f);
Cell[9, 1].position = new Vector3(41f, 0.1f, 50.3f);
Cell[9, 2].position = new Vector3(56.75f, 0.1f, 40.3f);
Cell[9, 3].position = new Vector3(41f, 0.1f, 30.3f);
Cell[9, 4].position = new Vector3(56.75f, 0.1f, 20.3f);
Cell[9, 5].position = new Vector3(41f, 0.1f, 10.3f);
Cell[9, 6].position = new Vector3(56.75f, 0.1f, 0.3f);
Cell[9, 7].position = new Vector3(41f, 0.1f, -10.3f);
Cell[9, 8].position = new Vector3(56.75f, 0.1f, -20.3f);
Cell[9, 9].position = new Vector3(41f, 0.1f, -30.3f);
Cell[9, 10].position = new Vector3(56.75f, 0.1f, -40.3f);
Cell[9, 11].position = new Vector3(41f, 0.1f, -50.3f);
Cell[10, 1].position = new Vector3(62.6f, 0.1f, 50.3f);
Cell[10, 2].position = new Vector3(68.5f, 0.1f, 40.3f);
Cell[10, 3].position = new Vector3(62.6f, 0.1f, 30.3f);
Cell[10, 4].position = new Vector3(68.5f, 0.1f, 20.3f);
Cell[10, 5].position = new Vector3(62.6f, 0.1f, 10.3f);
Cell[10, 6].position = new Vector3(68.5f, 0.1f, 0.3f);
Cell[10, 7].position = new Vector3(62.6f, 0.1f, -10.3f);
Cell[10, 8].position = new Vector3(68.5f, 0.1f, -20.3f);
Cell[10, 9].position = new Vector3(62.6f, 0.1f, -30.3f);
Cell[10, 10].position = new Vector3(68.5f, 0.1f, -40.3f);
Cell[10, 11].position = new Vector3(62.6f, 0.1f, -50.3f);
//Board Mountains
Cell[1, 1].isMountain = false;
Cell[1, 2].isMountain = false;
Cell[1, 3].isMountain = false;
Cell[1, 4].isMountain = false;
Cell[1, 5].isMountain = false;
Cell[1, 6].isMountain = false;
Cell[1, 7].isMountain = false;
Cell[1, 8].isMountain = false;
Cell[1, 9].isMountain = false;
Cell[1, 10].isMountain = false;
Cell[1, 11].isMountain = false;
Cell[2, 1].isMountain = false;
Cell[2, 2].isMountain = false;
Cell[2, 3].isMountain = false;
Cell[2, 4].isMountain = false;
Cell[2, 5].isMountain = false;
Cell[2, 6].isMountain = false;
Cell[2, 7].isMountain = false;
Cell[2, 8].isMountain = false;
Cell[2, 9].isMountain = false;
Cell[2, 10].isMountain = false;
Cell[2, 11].isMountain = false;
Cell[3, 1].isMountain = false;
Cell[3, 2].isMountain = false;
Cell[3, 3].isMountain = false;
Cell[3, 4].isMountain = false;
Cell[3, 5].isMountain = false;
Cell[3, 6].isMountain = false;
Cell[3, 7].isMountain = false;
Cell[3, 8].isMountain = false;
Cell[3, 9].isMountain = false;
Cell[3, 10].isMountain = false;
Cell[3, 11].isMountain = false;
Cell[4, 1].isMountain = false;
Cell[4, 2].isMountain = false;
Cell[4, 3].isMountain = false;
Cell[4, 4].isMountain = false;
Cell[4, 5].isMountain = false;
Cell[4, 6].isMountain = false;
Cell[4, 7].isMountain = false;
Cell[4, 8].isMountain = false;
Cell[4, 9].isMountain = false;
Cell[4, 10].isMountain = false;
Cell[4, 11].isMountain = false;
Cell[5, 1].isMountain = false;
Cell[5, 2].isMountain = false;
Cell[5, 3].isMountain = false;
Cell[5, 4].isMountain = false;
Cell[5, 5].isMountain = false;
Cell[5, 6].isMountain = false;
Cell[5, 7].isMountain = false;
Cell[5, 8].isMountain = false;
Cell[5, 9].isMountain = false;
Cell[5, 10].isMountain = false;
Cell[5, 11].isMountain = false;
Cell[6, 1].isMountain = false;
Cell[6, 2].isMountain = false;
Cell[6, 3].isMountain = false;
Cell[6, 4].isMountain = false;
Cell[6, 5].isMountain = false;
Cell[6, 6].isMountain = false;
Cell[6, 7].isMountain = false;
Cell[6, 8].isMountain = false;
Cell[6, 9].isMountain = false;
Cell[6, 10].isMountain = false;
Cell[6, 11].isMountain = false;
Cell[7, 1].isMountain = false;
Cell[7, 2].isMountain = false;
Cell[7, 3].isMountain = false;
Cell[7, 4].isMountain = false;
Cell[7, 5].isMountain = false;
Cell[7, 6].isMountain = false;
Cell[7, 7].isMountain = false;
Cell[7, 8].isMountain = false;
Cell[7, 9].isMountain = false;
Cell[7, 10].isMountain = false;
Cell[7, 11].isMountain = false;
Cell[8, 1].isMountain = false;
Cell[8, 2].isMountain = false;
Cell[8, 3].isMountain = false;
Cell[8, 4].isMountain = false;
Cell[8, 5].isMountain = false;
Cell[8, 6].isMountain = false;
Cell[8, 7].isMountain = false;
Cell[8, 8].isMountain = false;
Cell[8, 9].isMountain = false;
Cell[8, 10].isMountain = false;
Cell[8, 11].isMountain = false;
Cell[9, 1].isMountain = false;
Cell[9, 2].isMountain = false;
Cell[9, 3].isMountain = false;
Cell[9, 4].isMountain = false;
Cell[9, 5].isMountain = false;
Cell[9, 6].isMountain = false;
Cell[9, 7].isMountain = false;
Cell[9, 8].isMountain = false;
Cell[9, 9].isMountain = false;
Cell[9, 10].isMountain = false;
Cell[9, 11].isMountain = false;
Cell[10, 1].isMountain = false;
Cell[10, 2].isMountain = false;
Cell[10, 3].isMountain = false;
Cell[10, 4].isMountain = false;
Cell[10, 5].isMountain = false;
Cell[10, 6].isMountain = false;
Cell[10, 7].isMountain = false;
Cell[10, 8].isMountain = false;
Cell[10, 9].isMountain = false;
Cell[10, 10].isMountain = false;
Cell[10, 11].isMountain = false;
//Board Forest
Cell[1, 1].isForest = false;
Cell[1, 2].isForest = false;
Cell[1, 3].isForest = false;
Cell[1, 4].isForest = false;
Cell[1, 5].isForest = false;
Cell[1, 6].isForest = false;
Cell[1, 7].isForest = false;
Cell[1, 8].isForest = false;
Cell[1, 9].isForest = false;
Cell[1, 10].isForest = false;
Cell[1, 11].isForest = false;
Cell[2, 1].isForest = false;
Cell[2, 2].isForest = false;
Cell[2, 3].isForest = false;
Cell[2, 4].isForest = false;
Cell[2, 5].isForest = false;
Cell[2, 6].isForest = false;
Cell[2, 7].isForest = false;
Cell[2, 8].isForest = false;
Cell[2, 9].isForest = false;
Cell[2, 10].isForest = false;
Cell[2, 11].isForest = false;
Cell[3, 1].isForest = false;
Cell[3, 2].isForest = false;
Cell[3, 3].isForest = false;
Cell[3, 4].isForest = false;
Cell[3, 5].isForest = false;
Cell[3, 6].isForest = false;
Cell[3, 7].isForest = false;
Cell[3, 8].isForest = false;
Cell[3, 9].isForest = false;
Cell[3, 10].isForest = false;
Cell[3, 11].isForest = false;
Cell[4, 1].isForest = false;
Cell[4, 2].isForest = false;
Cell[4, 3].isForest = false;
Cell[4, 4].isForest = false;
Cell[4, 5].isForest = false;
Cell[4, 6].isForest = false;
Cell[4, 7].isForest = false;
Cell[4, 8].isForest = false;
Cell[4, 9].isForest = false;
Cell[4, 10].isForest = false;
Cell[4, 11].isForest = false;
Cell[5, 1].isForest = false;
Cell[5, 2].isForest = false;
Cell[5, 3].isForest = false;
Cell[5, 4].isForest = false;
Cell[5, 5].isForest = false;
Cell[5, 6].isForest = false;
Cell[5, 7].isForest = false;
Cell[5, 8].isForest = false;
Cell[5, 9].isForest = false;
Cell[5, 10].isForest = false;
Cell[5, 11].isForest = false;
Cell[6, 1].isForest = false;
Cell[6, 2].isForest = false;
Cell[6, 3].isForest = false;
Cell[6, 4].isForest = false;
Cell[6, 5].isForest = false;
Cell[6, 6].isForest = false;
Cell[6, 7].isForest = false;
Cell[6, 8].isForest = false;
Cell[6, 9].isForest = false;
Cell[6, 10].isForest = false;
Cell[6, 11].isForest = false;
Cell[7, 1].isForest = false;
Cell[7, 2].isForest = false;
Cell[7, 3].isForest = false;
Cell[7, 4].isForest = false;
Cell[7, 5].isForest = false;
Cell[7, 6].isForest = false;
Cell[7, 7].isForest = false;
Cell[7, 8].isForest = false;
Cell[7, 9].isForest = false;
Cell[7, 10].isForest = false;
Cell[7, 11].isForest = false;
Cell[8, 1].isForest = false;
Cell[8, 2].isForest = false;
Cell[8, 3].isForest = false;
Cell[8, 4].isForest = false;
Cell[8, 5].isForest = false;
Cell[8, 6].isForest = false;
Cell[8, 7].isForest = false;
Cell[8, 8].isForest = false;
Cell[8, 9].isForest = false;
Cell[8, 10].isForest = false;
Cell[8, 11].isForest = false;
Cell[9, 1].isForest = false;
Cell[9, 2].isForest = false;
Cell[9, 3].isForest = false;
Cell[9, 4].isForest = false;
Cell[9, 5].isForest = false;
Cell[9, 6].isForest = false;
Cell[9, 7].isForest = false;
Cell[9, 8].isForest = false;
Cell[9, 9].isForest = false;
Cell[9, 10].isForest = false;
Cell[9, 11].isForest = false;
Cell[10, 1].isForest = false;
Cell[10, 2].isForest = false;
Cell[10, 3].isForest = false;
Cell[10, 4].isForest = false;
Cell[10, 5].isForest = false;
Cell[10, 6].isForest = false;
Cell[10, 7].isForest = false;
Cell[10, 8].isForest = false;
Cell[10, 9].isForest = false;
Cell[10, 10].isForest = false;
Cell[10, 11].isForest = false;
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any idea of what am I doing wrong ?
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Fendaril
Cheater
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Joined: 08 Nov 2009
Posts: 27
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| Posted: Thu Nov 12, 2009 8:05 pm Post subject: |
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Try declaring the multi-dimensional array correctly
BoardCell[][] Cell=new BoardCell[10][11];
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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| Posted: Thu Nov 12, 2009 8:09 pm Post subject: |
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BoardCells [][]Cell = new BoardCells[10][11];
Error 1 Invalid rank specifier: expected ',' or ']'
?? like this?
I though [,] was fine
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Fendaril
Cheater
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Joined: 08 Nov 2009
Posts: 27
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| Posted: Thu Nov 12, 2009 8:10 pm Post subject: |
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| [,] is invalid.
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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Fendaril
Cheater
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Joined: 08 Nov 2009
Posts: 27
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| Posted: Thu Nov 12, 2009 8:14 pm Post subject: |
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| just use an array of arrays much easier. :/
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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| Posted: Thu Nov 12, 2009 8:17 pm Post subject: |
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just letting you know again:
BoardCells [][]Cell = new BoardCells[10][11];
is not working
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Fendaril
Cheater
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Joined: 08 Nov 2009
Posts: 27
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| Posted: Thu Nov 12, 2009 8:20 pm Post subject: |
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edit: check your vector3 class.
also can i see more code.
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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| Posted: Thu Nov 12, 2009 8:28 pm Post subject: |
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BoardCells [][]Cell = new BoardCells[10][]; (( works like this ))
Vector 3 is part of the XNA library
anyways after changing it it gives me the same NullReference error
I'm posting the code here wait.
Edit::
CLOSE THREAD PLEASE
I found out that I wasn't creating the items just making "space " for they
I had to add
Cell[1, 1] = new BoardCells();
Cell[1, 2] = new BoardCells();
............
going to use a loop for that
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Flyte
Peanuts!!!!
 Reputation: 6
Joined: 19 Apr 2006
Posts: 1887
Location: Canada
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| Posted: Thu Nov 12, 2009 9:48 pm Post subject: |
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| For the love of Christ use nested for loops to initialize that shit.
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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| Posted: Thu Nov 12, 2009 10:10 pm Post subject: |
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| Athaem wrote: | | For the love of Christ use nested for loops to initialize that shit. |
no need.
Loops are made for the sake of organization and ease of coding not for speed of processing and since the position values were extracted through a debug extraction I had it all pasted wit functions with an advanced notepad that let me find and replace with expressions.
also, just organized all in sub programs so its not messy.
right now I moved on and started working on the movement points and movement permissions interface
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hcavolsdsadgadsg
I'm a spammer
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Joined: 11 Jun 2007
Posts: 5801
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| Posted: Thu Nov 12, 2009 11:16 pm Post subject: |
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Oh my merciful christ that is fucking horrendous. Use a loop, please
I'd pretty much slash my throat if i came across that
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NoManchesPuto
I post too much
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Posts: 2820
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| Posted: Thu Nov 12, 2009 11:31 pm Post subject: |
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| slovach wrote: | Oh my merciful christ that is fucking horrendous. Use a loop, please
I'd pretty much slash my throat if i came across that |
Lol wow you're mean lol ^^
@OP: What are you making exactly?
_________________
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gogodr
I post too much
Reputation: 125
Joined: 19 Dec 2006
Posts: 2041
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| Posted: Fri Nov 13, 2009 12:36 am Post subject: |
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(( a game, if you check Game Developing Section you will see what I'm doing ))
__ right now I'm working on making the mouse projection into the 3D world so I can select by clicking.
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hcavolsdsadgadsg
I'm a spammer
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Joined: 11 Jun 2007
Posts: 5801
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| Posted: Fri Nov 13, 2009 1:53 am Post subject: |
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| Sounds like you want ray picking
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