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[1.7.10] Virus Block


drok0920

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Hello,

I would like to know how to get a custom block to "absorb" all blocks around it that aren't air.  By this i mean that i need it to spread like grass but at a much higher rate and be able to spread down.  i have looked at the grass and mycelium classes and the "A block that spreads over every block but air?" topic but i can't seem to get any of them to work.

 

Thank you,

Drok

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i have told you that i have looked at it but i cant seem to get it to do what i want this is what i have tried.

 

public void updateTick(World world, int x, int y, int z, Random rand)
    {
        if (!world.isRemote)
        {
                for (int l = 0; l < 40000; ++l)
                {
                    int i1 = x + rand.nextInt(3) - 1;
                    int j1 = y + rand.nextInt(5) - 3;
                    int k1 = z + rand.nextInt(3) - 1;
                    Block block = world.getBlock(i1, j1 + 1, k1);

                    if (world.getBlock(i1, j1, k1) != Blocks.air)
                    {
                    	world.setBlock(i1, j1, k1, this);
                    }
                }
            }
        }

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Here is the complete block class:

package team.flock.drok0920.BOW.Blocks;

import scala.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;

public class AlfitarianVirusBlock extends Block {

protected AlfitarianVirusBlock(Material mat) {
	super(mat);
	this.setCreativeTab(CreativeTabs.tabBlock);
	this.setTickRandomly(true);

}

public void updateTick(World world, int x, int y, int z, Random rand)
    {
        if (!world.isRemote)
        {
                for (int l = 0; l < 40000; ++l)
                {
                    int i1 = x + rand.nextInt(3) - 1;
                    int j1 = y + rand.nextInt(5) - 3;
                    int k1 = z + rand.nextInt(3) - 1;
                    Block block = world.getBlock(i1, j1 + 1, k1);

                    if (world.getBlock(i1, j1, k1) != Blocks.air)
                    {
                    	world.setBlock(i1, j1, k1, BOWBlocks.AVBlock);
                    }
                }
            }
        }
}

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You could go with something like this:

	@Override
public void updateTick(World world, int x, int y, int z, Random rand){
	if(world.getBlock(x+1, y, z) != Blocks.air) {
	   world.setBlock(x+1, y, z, yourVirusBlock);
	}
	if(world.getBlock(x-1, y, z) != Blocks.air) {
  	   world.setBlock(x-1, y, z, yourVirusBlock);
	}
	if(world.getBlock(x, y+1, z) != Blocks.air) {
	   world.setBlock(x, y+1, z, yourVirusBlock);
	}
	if(world.getBlock(x, y-1, z) != Blocks.air) {
	   world.setBlock(x, y-1, z, yourVirusBlock);
	}
	if(world.getBlock(x, y, z+1) != Blocks.air) {
	   world.setBlock(x, y, z+1, yourVirusBlock);
	}
	if(world.getBlock(x, y, z-1) != Blocks.air) {
	   world.setBlock(x, y, z-1, yourVirusBlock);
	}

}

but make sure to put this.setThickRandomly(true) into the constructor ^^

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And just a tip, instead of having all those if's in your update tick you could use for loops to make it look nicer (although it is completely optional)

for(int i = -1; i < 2; i++)
{
    for(int j = -1; j < 2; j++)
    {
        for(int k = -1; k < 2; k++)
        {
            if(world.getBlock(x+i, y+j, z+k) != Blocks.air || world.getBlock(x+i, y+j, z+k) != this)
            {
                world.setBlock(x+i, y+j, z+k, this);
            }
        }
    }
}

 

This is generally better practice than a large amount of if statements. Also the != this is there so it doesn't replace itself as that would be pointless.

BEFORE ASKING FOR HELP READ THE EAQ!

 

I'll help if I can. Apologies if I do something obviously stupid. :D

 

If you don't know basic Java yet, go and follow these tutorials.

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And just a tip, instead of having all those if's in your update tick you could use for loops to make it look nicer (although it is completely optional)

for(int i = -1; i < 2; i++)
{
    for(int j = -1; j < 2; j++)
    {
        for(int k = -1; k < 2; k++)
        {
            if(world.getBlock(x+i, y+j, z+k) != Blocks.air || world.getBlock(x+i, y+j, z+k) != this)
            {
                world.setBlock(x+i, y+j, z+k, this);
            }
        }
    }
}

 

This is generally better practice than a large amount of if statements. Also the != this is there so it doesn't replace itself as that would be pointless.

 

Correct me if I'm wrong, but I think you'v got to use &&, or the if statement will always return true like that.

In my opinion the for loops make it actually just look more confusing, but yeah, just my opinion ^^

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Would changing

for(int i = -1; i < 2; i++)
{
    for(int j = -1; j < 2; j++)
    {
        for(int k = -1; k < 2; k++)
        {
            if(world.getBlock(x+i, y+j, z+k) != Blocks.air || world.getBlock(x+i, y+j, z+k) != this)
            {
                world.setBlock(x+i, y+j, z+k, this);
            }
        }
    }
}

to

for(int i = -1; i < 10; i++)
{
    for(int j = -1; j < 10; j++)
    {
        for(int k = -1; k < 10; k++)
        {
            if(world.getBlock(x+i, y+j, z+k) != Blocks.air || world.getBlock(x+i, y+j, z+k) != this)
            {
                world.setBlock(x+i, y+j, z+k, this);
            }
        }
    }
}

speed up the spread rate?  if not how would i speed it up?

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