Fixing lights and shadows

resources/shaders/night_fog_skinning_shadow.vertex

@@ -11,10 +11,12 @@ varying vec4 fragPosLightSpace;
 varying vec3 fragNormal;
 varying float fogDistance;
 varying vec3 fragViewPos;
+varying vec2 fragWorldXZ;
 
 uniform mat4 ProjectionModelViewMatrix;
 uniform mat4 ModelViewMatrix;
 uniform mat4 uLightFromCamera;
+uniform mat4 uViewInverse;
 uniform mat4 uBoneMatrices[58];
 uniform vec3 uPlayerEyePos;
 
@@ -68,4 +70,5 @@ void main()
 	fragViewPos = eyePos.xyz;
 	fragNormal = mat3(ModelViewMatrix) * skinnedNormal;
 	fragPosLightSpace = uLightFromCamera * eyePos;
+	fragWorldXZ = (uViewInverse * eyePos).xz;
 }