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// Cristian Pop - https://boxophobic.com/
using UnityEngine;
using Boxophobic;
using Boxophobic.StyledGUI;
#if UNITY_EDITOR
using UnityEditor;
#endif
namespace AtmosphericHeightFog
{
[ExecuteInEditMode]
[DisallowMultipleComponent]
[HelpURL("https://docs.google.com/document/d/1pIzIHIZ-cSh2ykODSZCbAPtScJ4Jpuu7lS3rNEHCLbc/edit#heading=h.pzat2b29j9a0")]
public class HeightFogPerObject : StyledMonoBehaviour
{
[StyledBanner(0.474f, 0.709f, 0.901f, "Height Fog Per Object", "", "https://docs.google.com/document/d/1pIzIHIZ-cSh2ykODSZCbAPtScJ4Jpuu7lS3rNEHCLbc/edit#heading=h.pzat2b29j9a0")]
public bool styledBanner;
[StyledMessage("Info", "The Object does not have a Mesh Renderer!", 5, 5)]
public bool messageNoRenderer = false;
[StyledMessage("Info", "Objects using multiple materials are not supported!", 5, 5)]
public bool messageMultiMaterials = false;
[StyledMessage("Info", "The Object does not have a Material assigned!", 5, 5)]
public bool messageNoMaterial = false;
[StyledMessage("Info", "Please note that the Height Fog Per Object option will not work for all transparent objects. Available in Play mode only. Please read the documentation for more!", 0, 0)]
public bool messageTransparencySupport = true;
[StyledCategory("Settings")]
public bool categoryMaterial;
public Material customFogMaterial = null;
[StyledMessage("Info", "The is not a valid Height Fog material! Please assign the correct shader first!", 5, 0)]
public bool messageInvalidFogMaterial = false;
[StyledSpace(5)]
public bool styledSpace0;
int transparencyRenderQueue = 3002;
Material originalMaterial;
Material instanceMaterial;
Material transparencyMaterial;
GameObject transparencyGO;
void Awake()
{
if (GameObjectIsInvalid())
{
return;
}
#if UNITY_EDITOR
if (Application.isPlaying == false)
{
GameObjectDisableBathingFlag();
return;
}
#endif
transparencyGO = new GameObject(gameObject.name + " (Height Fog Object)");
transparencyGO.transform.parent = gameObject.transform;
transparencyGO.transform.localPosition = Vector3.zero;
transparencyGO.transform.localRotation = Quaternion.identity;
transparencyGO.transform.localScale = Vector3.one;
transparencyGO.AddComponent<MeshFilter>();
transparencyGO.AddComponent<MeshRenderer>();
transparencyGO.GetComponent<MeshFilter>().sharedMesh = gameObject.GetComponent<MeshFilter>().sharedMesh;
Material originalMaterial = gameObject.GetComponent<MeshRenderer>().sharedMaterial;
instanceMaterial = new Material(originalMaterial);
instanceMaterial.name = originalMaterial.name + " (Instance)";
//instanceMaterial.SetOverrideTag("DisableBatching", "True");
if (customFogMaterial == null)
{
transparencyMaterial = new Material(instanceMaterial);
transparencyMaterial.shader = Shader.Find("BOXOPHOBIC/Atmospherics/Height Fog Per Object");
transparencyMaterial.name = originalMaterial.name + " (Generic Fog)";
}
else if (customFogMaterial != null)
{
if (customFogMaterial.HasProperty("_IsHeightFogShader"))
{
transparencyMaterial = customFogMaterial;
transparencyMaterial.name = originalMaterial.name + " (Custom Fog)";
}
else
{
transparencyMaterial = new Material(instanceMaterial);
transparencyMaterial.shader = Shader.Find("BOXOPHOBIC/Atmospherics/Height Fog Per Object");
transparencyMaterial.name = originalMaterial.name + " (Generic Fog)";
}
}
if (transparencyMaterial.HasProperty("_IsStandardPipeline"))
{
transparencyRenderQueue = 3002;
}
else
{
transparencyRenderQueue = 3102;
}
instanceMaterial.renderQueue = transparencyRenderQueue;
transparencyMaterial.renderQueue = transparencyRenderQueue + 1;
gameObject.GetComponent<MeshRenderer>().material = instanceMaterial;
transparencyGO.GetComponent<MeshRenderer>().material = transparencyMaterial;
}
#if UNITY_EDITOR
void Update()
{
if (Application.isPlaying == true)
{
return;
}
if (gameObject.isStatic)
{
GameObjectDisableBathingFlag();
}
if (customFogMaterial == null)
{
messageInvalidFogMaterial = false;
}
else if (customFogMaterial != null)
{
if (customFogMaterial.HasProperty("_IsHeightFogShader") == false)
{
messageInvalidFogMaterial = true;
}
else
{
messageInvalidFogMaterial = false;
}
}
}
#endif
bool GameObjectIsInvalid()
{
bool invalid = false;
if (gameObject.GetComponent<MeshRenderer>() == null)
{
messageNoRenderer = true;
invalid = true;
}
else if (gameObject.GetComponent<MeshRenderer>().sharedMaterials.Length > 1)
{
messageMultiMaterials = true;
invalid = true;
}
else if (gameObject.GetComponent<MeshRenderer>().sharedMaterial == null)
{
messageNoMaterial = true;
invalid = true;
}
return invalid;
}
#if UNITY_EDITOR
void GameObjectDisableBathingFlag()
{
StaticEditorFlags flags = GameObjectUtility.GetStaticEditorFlags(gameObject);
flags = flags & ~(StaticEditorFlags.BatchingStatic);
GameObjectUtility.SetStaticEditorFlags(gameObject, flags);
}
#endif
}
}
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