Shaders: Remove special handling for liquids. (#4670)

client/shaders/nodes_shader/opengl_fragment.glsl

@@ -198,20 +198,11 @@ void main(void)
 	col = applyToneMapping(col);
 #endif
 
-#if MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT
-	float alpha = gl_Color.a;
-	if (fogDistance != 0.0) {
-		float d = clamp((fogDistance - length(eyeVec)) / (fogDistance * 0.6), 0.0, 1.0);
-		alpha = mix(0.0, alpha, d);
-	}
-	col = vec4(col.rgb, alpha);
-#else
 	if (fogDistance != 0.0) {
 		float d = clamp((fogDistance - length(eyeVec)) / (fogDistance * 0.6), 0.0, 1.0);
 		col = mix(skyBgColor, col, d);
 	}
 	col = vec4(col.rgb, base.a);
-#endif
 
 	gl_FragColor = col;
 }

client/shaders/water_surface_shader/opengl_fragment.glsl

@@ -154,20 +154,11 @@ vec4 base = texture2D(baseTexture, uv).rgba;
 	col = applyToneMapping(col);
 #endif
 
-#if MATERIAL_TYPE == TILE_MATERIAL_LIQUID_TRANSPARENT || MATERIAL_TYPE == TILE_MATERIAL_LIQUID_OPAQUE
-	float alpha = gl_Color.a;
-	if (fogDistance != 0.0) {
-		float d = clamp((fogDistance - length(eyeVec)) / (fogDistance * 0.6), 0.0, 1.0);
-		alpha = mix(0.0, alpha, d);
-	}
-	col = vec4(col.rgb, alpha);
-#else
 	if (fogDistance != 0.0) {
 		float d = clamp((fogDistance - length(eyeVec)) / (fogDistance * 0.6), 0.0, 1.0);
 		col = mix(skyBgColor, col, d);
 	}
 	col = vec4(col.rgb, base.a);
-#endif
 
 	gl_FragColor = col;
 }