public void setFrontStencilMask(int frontStencilMask) {
        this.frontStencilMask = frontStencilMask;
    }
Sets the front stencil mask.

@param frontStencilMask the desired bitmask (default=0x7fffffff)
jme3-core/src/main/java/com/jme3/material/RenderState.java