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In Topic: how to go about making a tetris clone?

Posted 24 Jan 2012

stayscrisp, on 24 January 2012 - 05:12 PM, said:
Why the oversized arrays as well? Tetris blocks are at most 4x4 yet you are using 5x5, reason?

Yes i took a look at it and noticed it myself, only reason I did 5x5 is because of the way i set the rotation for the straight tetris block. I was thinking of changing it.

In Topic: how to go about making a tetris clone?

Posted 22 Jan 2012

That's what I'm trying to tackle now, so far I have a multidim array for the blocks in tetris:

private static final int[/*blockType*/][/*rotation*/][][] piece =
		{
		{ //blockType = square = 0
			{ //rotation
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //Straight = 2
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 1, 1, 1, 1},
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{1, 1, 1, 1, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //L = 3
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 1},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 1, 0, 0},
				{1, 1, 1, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //L-mirror = 4
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 1, 0, 0, 0},
				{0, 1, 1, 1, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 1, 1, 1, 0},
				{0, 0, 0, 1, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //T = 5
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 1, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 1, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 1, 0, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 1, 1, 1, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 1, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //S = 6
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 1, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 1, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			}
		},
		{ //Z = 7
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 0, 0},
				{0, 1, 1, 0, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 0, 0, 0}
			},
			{ 
				{0, 0, 0, 0, 0},
				{0, 0, 0, 1, 0},
				{0, 0, 1, 1, 0},
				{0, 0, 1, 0, 0},
				{0, 0, 0, 0, 0}
			}
		}
	};

basically when i run the game and load a block i access this array and say for each "1" in the array, draw a square, that acts as 1 of the 4 segments of the tetris block. The same idea will go behind the collision detections, create a rectangle for each segment.

In Topic: reading from text file with Scanner

Posted 15 Jan 2012

mastrgamr, on 15 January 2012 - 03:02 AM, said:
GregBrannon, on 15 January 2012 - 02:57 AM, said:
How many lines are in the file when you created the input object? Did you get the same results when you ran your program a second or third time?

There is two lines in the file, the ones You see int he program above. When I rerun the program again same results.

Well i feel stupid , the program works if i close the outputstream then continue onto scanning from the file. Maybe it's just a textbook typo.

I guess since the outputstream leaves the scanner at a null line in the text file the input Scanner doesn't read any other info... i think.
In Topic: reading from text file with Scanner

Posted 15 Jan 2012

GregBrannon, on 15 January 2012 - 02:57 AM, said:
How many lines are in the file when you created the input object? Did you get the same results when you ran your program a second or third time?

There is two lines in the file, the ones You see int he program above. When I rerun the program again same results.
In Topic: merging two 1D arrays into one 2D array

Posted 6 Jan 2012

sepp2k, on 06 January 2012 - 09:19 AM, said:
The reason that it isn't shuffling is that primitive types can't be generic-arguments in Java and that asList is defined using variadic arguments. Together these two facts mean that if you pass an int[] as an argument to asList, it will return a List<int[]> with a single element. Shuffling that won't accomplish anything of course.

Thanks for clearing that up

I have the answer I need now, thanks to everyone that helped.