shader_type spatial;
render_mode specular_disabled;

// Opaque vertex-painted models: alpha is a clothing mask, never transparency.
uniform vec4 coat_color : source_color = vec4(1.0);
uniform float profession_tint : hint_range(0.0, 1.0) = 0.0;
uniform vec3 shadow_color : source_color = vec3(0.55, 0.64, 0.70);
uniform float band_softness : hint_range(0.005, 0.2) = 0.045;

void fragment() {
	ALBEDO = mix(COLOR.rgb, COLOR.rgb * coat_color.rgb * 1.6, COLOR.a * profession_tint);
	ROUGHNESS = 1.0;
	SPECULAR = 0.0;
}

void light() {
	float diffuse = dot(NORMAL, LIGHT);
	float mid = smoothstep(-0.15 - band_softness, -0.15 + band_softness, diffuse);
	float sun = smoothstep(0.50 - band_softness, 0.50 + band_softness, diffuse);
	vec3 tone = mix(shadow_color * 0.36, vec3(0.70), mid);
	tone = mix(tone, vec3(1.0, 0.97, 0.87), sun);
	DIFFUSE_LIGHT += tone * ATTENUATION * LIGHT_COLOR / PI;
}