jmonkeyengine/jme3-terrain/src/main/resources/Common/MatDefs/Terrain/HeightBasedTerrain.j3md

MaterialDef Terrain {

        // Parameters to material:
        // regionXColorMap: X = 1..4 the texture that should be appliad to state X
        // regionX: a Vector3f containing the following information:
        //      regionX.x: the start height of the region
        //      regionX.y: the end height of the region
        //      regionX.z: the texture scale for the region
        //  it might not be the most elegant way for storing these 3 values, but it packs the data nicely :)
        // slopeColorMap: the texture to be used for cliffs, and steep mountain sites
        // slopeTileFactor: the texture scale for slopes
        // terrainSize: the total size of the terrain (used for scaling the texture)
	MaterialParameters {
		Texture2D region1ColorMap
		Texture2D region2ColorMap
		Texture2D region3ColorMap
		Texture2D region4ColorMap
		Texture2D slopeColorMap
		Float slopeTileFactor
		Float terrainSize
		Vector3 region1
		Vector3 region2
		Vector3 region3
		Vector3 region4
	}

	Technique {
		VertexShader GLSL100:   Common/MatDefs/Terrain/HeightBasedTerrain.vert
		FragmentShader GLSL100: Common/MatDefs/Terrain/HeightBasedTerrain.frag

		WorldParameters {
			WorldViewProjectionMatrix
			WorldMatrix
			NormalMatrix
		}
	}

    Technique {
    }
}