fix double emission

shaders/ds_light.glsl

@@ -301,7 +301,9 @@ void main(void) {
 	vec3 diffuse       = v0.rgb;
 		 normal        = v1.xyz;
 	geom_normal        = v5.xyz;
+#ifndef SPOT
 	vec3 emission      = v3.rgb;
+#endif
 	float alpha        = v0.a;
 	float metalness    = v2.r;
 	float roughness    = v2.g;
@@ -336,7 +338,10 @@ void main(void) {
 	vec3 env_dir = view_mat * reflect(-v, normal);
 	vec3 env_col = textureLod(tex_env, env_dir, sqrt(roughness) * max_lod).rgb * spec_col;
 	
-	vec3 res_col = max(vec3(0.), li * diffuse + si * spec_col + emission);
+	vec3 res_col = max(vec3(0.), li * diffuse + si * spec_col);
+#ifndef SPOT
+	res_col += emission;
+#endif
 	res_col = mix(res_col, env_col, env_spec * reflectivity);
 	
 	if (bitfieldExtract(flags, 1, 1) == 1) {