#include "../../Platform/stdafx.h"
#include "../../Headers/net.minecraft.world.level.levelgen.structure.h"
#include "../../Util/JavaMath.h"

bool MineShaftFeature::isFeatureChunk(int x, int z, bool bIsSuperflat) {
    bool forcePlacement = false;
    LevelGenerationOptions* levelGenOptions = app.getLevelGenerationOptions();
    if (levelGenOptions != NULL) {
        forcePlacement =
            levelGenOptions->isFeatureChunk(x, z, eFeature_Mineshaft);
    }

    return forcePlacement || (random->nextInt(100) == 0 &&
                              random->nextInt(80) < std::max(abs(x), abs(z)));
}

StructureStart* MineShaftFeature::createStructureStart(int x, int z) {
    // 4J added
    app.AddTerrainFeaturePosition(eTerrainFeature_Mineshaft, x, z);

    return new MineShaftStart(level, random, x, z);
}