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path: root/Minecraft.World/ReedsFeature.cpp
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#include "stdafx.h"
#include "net.minecraft.world.level.h"
#include "net.minecraft.world.level.tile.h"
#include "ReedsFeature.h"

bool ReedsFeature::place(Level *level, Random *random, int x, int y, int z)
{
    for (int i = 0; i < 20; i++)
	{
        int x2 = x + random->nextInt(4) - random->nextInt(4);
        int y2 = y;
        int z2 = z + random->nextInt(4) - random->nextInt(4);

		// 4J Stu Added to stop reed features generating areas previously place by game rule generation
		if(app.getLevelGenerationOptions() != NULL)
		{
			LevelGenerationOptions *levelGenOptions = app.getLevelGenerationOptions();
			bool intersects = levelGenOptions->checkIntersects(x2, y2, z2, x2, y2, z2);
			if(intersects)
			{
				//app.DebugPrintf("Skipping reeds feature generation as it overlaps a game rule structure\n");
				continue;
			}
		}
        if (level->isEmptyTile(x2, y2, z2)) 
		{
            if (level->getMaterial(x2-1, y2-1, z2) == Material::water || 
                level->getMaterial(x2+1, y2-1, z2) == Material::water || 
                level->getMaterial(x2, y2-1, z2-1) == Material::water || 
                level->getMaterial(x2, y2-1, z2+1) == Material::water)
			{

                int h = 2 + random->nextInt(random->nextInt(3) + 1);
                for (int yy = 0; yy < h; yy++)
				{
                    if ( Tile::reeds->canSurvive(level, x2, y2 + yy, z2) )
					{
                        level->setTileNoUpdate(x2, y2 + yy, z2, Tile::reeds_Id);
                    }
                }
            }
        }
    }

    return true;
}