4jcraft/Minecraft.World/Blocks/GasMaterial.h

#pragma once
#include "Material.h"

class GasMaterial : public Material {
public:
    GasMaterial(MaterialColor* color) : Material(color) { replaceable(); }

    virtual bool isSolid() { return false; }
    virtual bool blocksLight() { return false; }
    virtual bool blocksMotion() { return false; }
};