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How does i generate blocks on top of the surface world (like flowers)?


Kander16

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Hello, I was wondering how i could generate some bushes on top of the surface.

Does anyone know what i need to do?

 

 

This is for spawning ores, but it will only spawn blocks in other blocks like 'MagneziumOre generate in the Stone' but i wanted to have like 'Strawberry plant generate on top of the grass block'.

 

http://pastebin.com/HhKmJ9ha

 

Thanks! ;)

 

Creator of the Master Chef Mod and many more to come.

 

If I helped you, please click the 'thank you' button.

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Using the ore generator is not the best method here.  You're better off picking an X and Z location inside a chunk and then finding the surface block and populating that way.

 

I use this function, which has a few extra bits, but does what you need.

 

/*Places a random collection of blocks (flowers) at a random distance from a given spot on the surface
* Paramters:
* x/y/z - location on the surface
* block and meta
* radius is the maximum distance away to spawn at
* num is how many blocks to attempt to place
* cluster radius is how close (or far) the blocks will be placed
*/
    public static void scatterFlowers(World world, int x, int y, int z, Block b, int meta, int radius, int num, int clusterRadius) {
    	Random r = new Random();
    	float[] u = RandomInUnitCircle(r); //find a location inside a unit circle, this value is multiplied by the radius.
    	int fails = 0;
    	int j, k, l;
    	while(num > 0 && fails < 20) {
    		j = x + r.nextInt(clusterRadius) - (clusterRadius/2) + Math.round(u[0]*radius); //random point inside the cluster radius, plus the offset for the large circle
    		k = y-5; //check up and down a few blocks
    		l = z + r.nextInt(clusterRadius) - (clusterRadius/2) + Math.round(u[1]*radius); //random point inside the cluster radius, plus the offset for the large circle
    		for(int f=0; f+k <= y+5; f++) {
			if(world.getBlock(j, f+k, l) == Blocks.grass && (world.getBlock(j, f+k+1, l) == Blocks.air || world.getBlock(j, f+k+1, l) == Blocks.tallgrass)) { //place above grass and replace tall grass
				world.setBlock(j, f+k+1, l, b, meta, 3);
				--num;
				k = 100;
			}
		}
    		++fails;
    	}
    }

    public static float[] RandomInUnitCircle(Random rn) {
    	float t = (float)Math.PI * (2*rn.nextFloat());
	float u = rn.nextFloat()+rn.nextFloat();
	float r = (u>1)?2-u:u;

    	return new float[] {r*(float)Math.cos(t), r*(float)Math.sin(t)};
    }

 

I call this function after I've found a point on the surface, e.g.:

 

//from an X/Y/Z location, go up until we find the surface
for(int j=1; y+j < 90; j++) {
	if(world.getBlock(x, y+j, z) == Blocks.grass) {
		MainMod.scatterFlowers(world, x, y+j+1, z, OresBase.blockOreFlowers, 0, 25, 8, 11);
		return;
	}
}

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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