More work on maps and multiplayer

visuals/shaders/maptile.gdshader

@@ -0,0 +1,24 @@
+shader_type spatial;
+
+uniform sampler2D height_gradient;
+uniform float vertical_offset;
+uniform float vertical_range : hint_range(1.0, 12.0, 1.0);
+varying vec3 world_position;
+
+void vertex() {
+	// Called for every vertex the material is visible on.
+	world_position = (MODEL_MATRIX * vec4(VERTEX, 1)).xyz;
+}
+
+void fragment() {
+	float h = (world_position.y - vertical_offset)/vertical_range;
+	vec2 uv = vec2(clamp(h, 0.001, 1.0),0.5);
+	vec4 color = texture(height_gradient, uv);
+	ALBEDO = color.rgb;
+	// Called for every pixel the material is visible on.
+}
+
+//void light() {
+//	// Called for every pixel for every light affecting the material.
+//	// Uncomment to replace the default light processing function with this one.
+//}