static Material SetupMaterial(MicroSplatKeywords kwds, Material mat, MicroSplatBaseFeatures.DebugOutput debugOutput, bool useDebugTopo)
{
MicroSplatShaderGUI.MicroSplatCompiler comp = new MicroSplatShaderGUI.MicroSplatCompiler();
List<string> keywords = new List<string>(kwds.keywords);
RemoveKeyword(keywords, "_SNOW");
RemoveKeyword(keywords, "_TESSDISTANCE");
RemoveKeyword(keywords, "_WINDPARTICULATE");
RemoveKeyword(keywords, "_SNOWPARTICULATE");
RemoveKeyword(keywords, "_GLITTER");
RemoveKeyword(keywords, "_SNOWGLITTER");
keywords.Add(FeatureFromOutput(debugOutput).ToString());
if (useDebugTopo)
{
keywords.Add("_DEBUG_USE_TOPOLOGY");
}
string shader = comp.Compile(keywords.ToArray(), "RenderBake_" + debugOutput.ToString());
Shader s = ShaderUtil.CreateShaderAsset(shader);
Material renderMat = new Material(mat);
renderMat.shader = s;
return renderMat;
}
void RevertTerrainSplats(MicroSplatTerrain t)
{
MicroSplatKeywords keywords = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
if (keywords.IsKeywordEnabled("_CUSTOMSPLATTEXTURES"))
{
if (t.customControl0 == null)
{
Debug.LogError("Could not revert terrain because textures are missing!");
return;
}
UncompressTexture(t.customControl0);
UncompressTexture(t.customControl1);
UncompressTexture(t.customControl2);
UncompressTexture(t.customControl3);
UncompressTexture(t.customControl4);
UncompressTexture(t.customControl5);
UncompressTexture(t.customControl6);
UncompressTexture(t.customControl7);
int size = t.customControl0.width;
int layers = t.terrain.terrainData.alphamapLayers;
t.terrain.terrainData.alphamapResolution = size;
var maps = t.terrain.terrainData.GetAlphamaps(0, 0, size, size);
ExtractSplats(ref maps, t.customControl0, 0, layers);
ExtractSplats(ref maps, t.customControl1, 4, layers);
ExtractSplats(ref maps, t.customControl2, 8, layers);
ExtractSplats(ref maps, t.customControl3, 12, layers);
ExtractSplats(ref maps, t.customControl4, 16, layers);
ExtractSplats(ref maps, t.customControl5, 20, layers);
ExtractSplats(ref maps, t.customControl6, 24, layers);
ExtractSplats(ref maps, t.customControl7, 28, layers);
t.terrain.terrainData.SetAlphamaps(0, 0, maps);
EditorUtility.SetDirty(t.terrain.terrainData);
keywords.DisableKeyword("_CUSTOMSPLATTEXTURES");
MicroSplatShaderGUI.MicroSplatCompiler compiler = new MicroSplatShaderGUI.MicroSplatCompiler();
compiler.Compile(t.templateMaterial);
t.customControl0 = null;
t.customControl1 = null;
t.customControl2 = null;
t.customControl3 = null;
t.customControl4 = null;
t.customControl5 = null;
t.customControl6 = null;
t.customControl7 = null;
EditorUtility.SetDirty(t);
MicroSplatTerrain.SyncAll();
}
}
static void RegenAllShaders()
{
var mats = AssetDatabase.FindAssets("t:Material");
foreach (var m in mats)
{
Material mat = AssetDatabase.LoadAssetAtPath <Material> (AssetDatabase.GUIDToAssetPath(m));
if (mat != null && mat.shader != null)
{
if (MicroSplatUtilities.CanFindKeywords(mat))
{
Debug.Log("Regenerating shader " + AssetDatabase.GetAssetPath(mat.shader));
MicroSplatShaderGUI.MicroSplatCompiler compiler = new MicroSplatShaderGUI.MicroSplatCompiler();
compiler.Compile(mat);
}
}
}
}
static Material SetupMaterial(MicroSplatKeywords kwds, Material mat, MicroSplatBaseFeatures.DebugOutput debugOutput, bool useDebugTopo)
{
MicroSplatShaderGUI.MicroSplatCompiler comp = new MicroSplatShaderGUI.MicroSplatCompiler();
List <string> keywords = new List <string>(kwds.keywords);
RemoveKeyword(keywords, "_SNOW");
RemoveKeyword(keywords, "_TESSDISTANCE");
RemoveKeyword(keywords, "_WINDPARTICULATE");
RemoveKeyword(keywords, "_SNOWPARTICULATE");
RemoveKeyword(keywords, "_GLITTER");
RemoveKeyword(keywords, "_SNOWGLITTER");
RemoveKeyword(keywords, "_SPECULARFROMMETALLIC");
RemoveKeyword(keywords, "_USESPECULARWORKFLOW");
RemoveKeyword(keywords, "_BDRFLAMBERT");
RemoveKeyword(keywords, "_BDRF1");
RemoveKeyword(keywords, "_BDRF2");
RemoveKeyword(keywords, "_BDRF3");
keywords.Add(FeatureFromOutput(debugOutput).ToString());
if (useDebugTopo)
{
keywords.Add("_DEBUG_USE_TOPOLOGY");
}
keywords.Add("_RENDERBAKE");
string shader = comp.Compile(keywords.ToArray(), "RenderBake_" + debugOutput.ToString());
Shader s = ShaderUtil.CreateShaderAsset(shader);
Material renderMat = new Material(mat);
renderMat.shader = s;
renderMat.CopyPropertiesFromMaterial(mat); // because the constructor doesn't do it right in URP
renderMat.enableInstancing = false; // for some reason instance drawing breaks in URP
return(renderMat);
}
bool DoConvertGUI(MicroSplatTerrain t)
{
if (t.templateMaterial == null)
{
InitConvertConfigs();
using (new GUILayout.VerticalScope(GUI.skin.box))
{
EditorGUILayout.LabelField("Select any integrations you want to add:");
// integrations
for (int i = 0; i < integrationConfigs.Count; ++i)
{
var ic = integrationConfigs [i];
if (!ic.assetInstalled)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(ic.name, GUILayout.Width(120));
EditorGUILayout.LabelField("Not Installed", GUILayout.Width(120));
if (GUILayout.Button("Link", GUILayout.Width(120)))
{
Application.OpenURL(ic.assetLink);
}
EditorGUILayout.EndHorizontal();
}
else
{
EditorGUILayout.BeginHorizontal();
ic.include = EditorGUILayout.Toggle(ic.include, GUILayout.Width(20));
EditorGUILayout.LabelField(ic.name);
EditorGUILayout.EndHorizontal();
if (ic.include && ic.missingModules.Count > 0)
{
using (new GUILayout.VerticalScope(GUI.skin.box))
{
EditorGUILayout.HelpBox("Some MicroSplat modules requested by this module are not installed. Some or all features of the integration will not be active.", MessageType.Warning);
for (int j = 0; j < ic.missingModules.Count; ++j)
{
var m = ic.missingModules [j];
DrawMissingModule(m);
}
}
}
}
}
if (GUILayout.Button("Convert to MicroSplat"))
{
// get all terrains in selection, not just this one, and treat as one giant terrain
var objs = Selection.gameObjects;
List <Terrain> terrains = new List <Terrain> ();
for (int i = 0; i < objs.Length; ++i)
{
Terrain ter = objs [i].GetComponent <Terrain> ();
if (ter != null)
{
terrains.Add(ter);
}
Terrain [] trs = objs [i].GetComponentsInChildren <Terrain> ();
for (int x = 0; x < trs.Length; ++x)
{
if (!terrains.Contains(trs [x]))
{
terrains.Add(trs [x]);
}
}
}
Terrain terrain = t.GetComponent <Terrain> ();
int texcount = terrain.terrainData.terrainLayers.Length;
List <string> keywords = new List <string> (defaultKeywords);
// set initial render pipleine
var pipeline = MicroSplatUtilities.DetectPipeline();
if (pipeline == MicroSplatUtilities.PipelineType.HDPipeline)
{
keywords.Add("_MSRENDERLOOP_UNITYHD");
}
else if (pipeline == MicroSplatUtilities.PipelineType.UniversalPipeline)
{
keywords.Add("_MSRENDERLOOP_UNITYLD");
}
// Because new users won't read the manual or read settings before they act, we don't clamp the texture count
// down for maximum performance. Way to many support requests complaining of black terrain after adding textures because
// they didn't realize they needed to up the max texture count. So now, 16 minimum. This is why we can't have nice things.
/*
* if (texcount <= 4)
* {
* keywords.Add ("_MAX4TEXTURES");
* }
* else if (texcount <= 8)
* {
* keywords.Add ("_MAX8TEXTURES");
* }
* else if (texcount <= 12)
* {
* keywords.Add ("_MAX12TEXTURES");
* }
*/
if (texcount > 16 && texcount <= 20)
{
keywords.Add("_MAX20TEXTURES");
}
else if (texcount <= 24)
{
keywords.Add("_MAX24TEXTURES");
}
else if (texcount <= 28)
{
keywords.Add("_MAX28TEXTURES");
}
else if (texcount > 28)
{
keywords.Add("_MAX32TEXTURES");
}
for (int i = 0; i < integrationConfigs.Count; ++i)
{
var ic = integrationConfigs [i];
if (ic.include)
{
keywords.AddRange(ic.keywords);
}
}
// setup this terrain
t.templateMaterial = MicroSplatShaderGUI.NewShaderAndMaterial(terrain, keywords.ToArray());
var config = TextureArrayConfigEditor.CreateConfig(terrain);
t.templateMaterial.SetTexture("_Diffuse", config.diffuseArray);
t.templateMaterial.SetTexture("_NormalSAO", config.normalSAOArray);
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
EditorUtility.SetDirty(t);
if (terrain.terrainData.terrainLayers != null)
{
if (terrain.terrainData.terrainLayers.Length > 0)
{
Vector2 min = new Vector2(99999, 99999);
Vector2 max = Vector2.zero;
for (int x = 0; x < terrain.terrainData.terrainLayers.Length; ++x)
{
var uv = terrain.terrainData.terrainLayers [x].tileSize;
if (min.x > uv.x)
{
min.x = uv.x;
}
if (min.y > uv.y)
{
min.y = uv.y;
}
if (max.x < uv.x)
{
max.x = uv.x;
}
if (max.y < uv.y)
{
max.y = uv.y;
}
}
Vector2 average = Vector2.Lerp(min, max, 0.5f);
// use per texture UVs instead..
float diff = Vector2.Distance(min, max);
if (diff > 0.1)
{
keywords.Add("_PERTEXUVSCALEOFFSET");
// if the user has widely different UVs, use the LOD sampler. This is because the gradient mode blends between mip levels,
// which looks bad with hugely different UVs. I still don't understand why people do this kind of crap though, ideally
// your UVs should not differ per texture, and if so, not by much..
if (diff > 10)
{
Debug.LogWarning("Terrain has wildly varing UV scales, it's best to keep consistent texture resolution. ");
}
if (!keywords.Contains("_USEGRADMIP"))
{
keywords.Add("_USEGRADMIP");
}
Vector4 scaleOffset = new Vector4(1, 1, 0, 0);
t.templateMaterial.SetVector("_UVScale", scaleOffset);
var propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
for (int x = 0; x < terrain.terrainData.terrainLayers.Length; ++x)
{
var uvScale = terrain.terrainData.terrainLayers [x].tileSize;
var uvOffset = terrain.terrainData.terrainLayers [x].tileOffset;
uvScale = MicroSplatRuntimeUtil.UnityUVScaleToUVScale(uvScale, terrain);
uvScale.x = Mathf.RoundToInt(uvScale.x);
uvScale.y = Mathf.RoundToInt(uvScale.y);
propData.SetValue(x, MicroSplatPropData.PerTexVector2.SplatUVScale, uvScale);
propData.SetValue(x, MicroSplatPropData.PerTexVector2.SplatUVOffset, Vector2.zero);
}
for (int x = terrain.terrainData.terrainLayers.Length; x < 32; ++x)
{
propData.SetValue(x, MicroSplatPropData.PerTexVector2.SplatUVScale, average);
propData.SetValue(x, MicroSplatPropData.PerTexVector2.SplatUVOffset, Vector2.zero);
}
// must init the data, or the editor will write over it.
propData.SetValue(0, 15, Color.white);
EditorUtility.SetDirty(propData);
t.templateMaterial.SetVector("_TriplanarUVScale",
new Vector4(
10.0f / t.terrain.terrainData.size.x,
10.0f / t.terrain.terrainData.size.x, 0, 0));
}
else
{
var uvScale = terrain.terrainData.terrainLayers [0].tileSize;
var uvOffset = terrain.terrainData.terrainLayers [0].tileOffset;
uvScale = MicroSplatRuntimeUtil.UnityUVScaleToUVScale(uvScale, terrain);
uvOffset.x = uvScale.x / terrain.terrainData.size.x * 0.5f * uvOffset.x;
uvOffset.y = uvScale.y / terrain.terrainData.size.x * 0.5f * uvOffset.y;
Vector4 scaleOffset = new Vector4(uvScale.x, uvScale.y, uvOffset.x, uvOffset.y);
t.templateMaterial.SetVector("_UVScale", scaleOffset);
t.templateMaterial.SetVector("_TriplanarUVScale",
new Vector4(
10.0f / t.terrain.terrainData.size.x,
10.0f / t.terrain.terrainData.size.x, 0, 0));
}
}
}
// now make sure others all have the same settings as well.
for (int i = 0; i < terrains.Count; ++i)
{
var nt = terrains [i];
var mgr = nt.GetComponent <MicroSplatTerrain> ();
if (mgr == null)
{
mgr = nt.gameObject.AddComponent <MicroSplatTerrain> ();
}
mgr.templateMaterial = t.templateMaterial;
if (mgr.propData == null)
{
mgr.propData = MicroSplatShaderGUI.FindOrCreatePropTex(mgr.templateMaterial);
}
}
Selection.SetActiveObjectWithContext(config, config);
t.keywordSO = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
t.keywordSO.keywords.Clear();
t.keywordSO.keywords = new List <string> (keywords);
// force recompile, so that basemap shader name gets reset correctly..
MicroSplatShaderGUI.MicroSplatCompiler comp = new MicroSplatShaderGUI.MicroSplatCompiler();
comp.Compile(t.templateMaterial);
// for some reason, often when people create terrains with Gaia but this is unconfirmed,
// if instancing is set, the terrain will not draw until a shader feature is toggled.
// So for now, turn off instancing when doing conversion.
for (int i = 0; i < terrains.Count; ++i)
{
var nt = terrains [i];
nt.drawInstanced = false;
}
MicroSplatTerrain.SyncAll();
/*
* // turn on draw instanced if enabled and tessellation is disabled, unless render loop is LWRP/URP in which case it does work..
* if (t.keywordSO != null && (!t.keywordSO.IsKeywordEnabled("_TESSDISTANCE") || t.keywordSO.IsKeywordEnabled("_MSRENDERLOOP_UNITYLD")))
* {
* for (int i = 0; i < terrains.Count; ++i)
* {
* var nt = terrains [i];
* var mgr = nt.GetComponent<MicroSplatTerrain> ();
* if (mgr != null && mgr.keywordSO != null && !mgr.keywordSO.IsKeywordEnabled("_MSRENDERLOOP_UNITYLD"))
* {
* nt.drawInstanced = true;
* }
* }
* }
*/
return(true);
}
}
}
return(false);
}
void CompressTerrainSplats(MicroSplatTerrain t)
{
int splatCount = t.terrain.terrainData.alphamapTextureCount;
// write out
for (int i = 0; i < splatCount; ++i)
{
var tex = t.terrain.terrainData.GetAlphamapTexture(i);
var path = MicroSplatUtilities.RelativePathFromAsset(t);
path += "/" + t.name + "_splat" + i + ".tga";
System.IO.File.WriteAllBytes(path, tex.EncodeToTGA());
}
AssetDatabase.Refresh();
// load and adjust importer
for (int i = 0; i < splatCount; ++i)
{
var path = MicroSplatUtilities.RelativePathFromAsset(t);
path += "/" + t.name + "_splat" + i + ".tga";
var tex = CompressTexture(path, false);
if (i == 0)
{
t.customControl0 = tex;
}
else if (i == 1)
{
t.customControl1 = tex;
}
else if (i == 2)
{
t.customControl2 = tex;
}
else if (i == 3)
{
t.customControl3 = tex;
}
else if (i == 4)
{
t.customControl4 = tex;
}
else if (i == 5)
{
t.customControl5 = tex;
}
else if (i == 6)
{
t.customControl6 = tex;
}
else if (i == 7)
{
t.customControl7 = tex;
}
}
EditorUtility.SetDirty(t);
MicroSplatKeywords keywords = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
if (!keywords.IsKeywordEnabled("_CUSTOMSPLATTEXTURES"))
{
keywords.EnableKeyword("_CUSTOMSPLATTEXTURES");
MicroSplatShaderGUI.MicroSplatCompiler compiler = new MicroSplatShaderGUI.MicroSplatCompiler();
compiler.Compile(t.templateMaterial);
MicroSplatTerrain.SyncAll();
}
// destructive operation
t.terrain.terrainData.alphamapResolution = 16;
}
bool DoConvertGUI(MicroSplatTerrain t)
{
if (t.templateMaterial == null)
{
InitConvertConfigs();
using (new GUILayout.VerticalScope(GUI.skin.box))
{
EditorGUILayout.LabelField("Select a Template:");
EditorGUILayout.BeginHorizontal();
for (int i = 0; i < convertConfigs.Count; ++i)
{
var c = convertConfigs [i];
if (DrawConvertButton(c, i == selectedConvertConfig))
{
selectedConvertConfig = i;
}
}
EditorGUILayout.EndHorizontal();
var selectedConfig = convertConfigs [selectedConvertConfig];
if (selectedConfig.missingModules.Count > 0)
{
EditorGUILayout.HelpBox("You are missing some MicroSplat modules needed by this template. The preset may still be used but some features will not be enabled. Missing modules are listed below:", MessageType.Warning);
for (int i = 0; i < selectedConfig.missingModules.Count; ++i)
{
var m = selectedConfig.missingModules [i];
DrawMissingModule(m);
}
}
EditorGUILayout.LabelField("Select any integrations you want to add:");
// integrations
for (int i = 0; i < integrationConfigs.Count; ++i)
{
var ic = integrationConfigs [i];
if (!ic.assetInstalled)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(ic.name, GUILayout.Width(120));
EditorGUILayout.LabelField("Not Installed", GUILayout.Width(120));
if (GUILayout.Button("Link", GUILayout.Width(120)))
{
Application.OpenURL(ic.assetLink);
}
EditorGUILayout.EndHorizontal();
}
else
{
EditorGUILayout.BeginHorizontal();
ic.include = EditorGUILayout.Toggle(ic.include, GUILayout.Width(20));
EditorGUILayout.LabelField(ic.name);
EditorGUILayout.EndHorizontal();
if (ic.include && ic.missingModules.Count > 0)
{
using (new GUILayout.VerticalScope(GUI.skin.box))
{
EditorGUILayout.HelpBox("Some MicroSplat modules requested by this module are not installed. Some or all features of the integration will not be active.", MessageType.Warning);
for (int j = 0; j < ic.missingModules.Count; ++j)
{
var m = ic.missingModules [j];
DrawMissingModule(m);
}
}
}
}
}
if (GUILayout.Button("Convert to MicroSplat"))
{
// get all terrains in selection, not just this one, and treat as one giant terrain
var objs = Selection.gameObjects;
List <Terrain> terrains = new List <Terrain> ();
for (int i = 0; i < objs.Length; ++i)
{
Terrain ter = objs [i].GetComponent <Terrain> ();
if (ter != null)
{
terrains.Add(ter);
}
Terrain [] trs = objs [i].GetComponentsInChildren <Terrain> ();
for (int x = 0; x < trs.Length; ++x)
{
if (!terrains.Contains(trs [x]))
{
terrains.Add(trs [x]);
}
}
}
Terrain terrain = t.GetComponent <Terrain> ();
int texcount = 16;
#if UNITY_2018_3_OR_NEWER
texcount = terrain.terrainData.terrainLayers.Length;
#else
texcount = terrain.terrainData.splatPrototypes.Length;
#endif
List <string> keywords = new List <string> (selectedConfig.keywords);
if (texcount <= 4)
{
keywords.Add("_MAX4TEXTURES");
}
else if (texcount <= 8)
{
keywords.Add("_MAX8TEXTURES");
}
else if (texcount <= 12)
{
keywords.Add("_MAX12TEXTURES");
}
else if (texcount <= 20)
{
keywords.Add("_MAX20TEXTURES");
}
else if (texcount <= 24)
{
keywords.Add("_MAX24TEXTURES");
}
else if (texcount <= 28)
{
keywords.Add("_MAX28TEXTURES");
}
else if (texcount > 28)
{
keywords.Add("_MAX32TEXTURES");
}
for (int i = 0; i < integrationConfigs.Count; ++i)
{
var ic = integrationConfigs [i];
if (ic.include)
{
keywords.AddRange(ic.keywords);
}
}
// setup this terrain
t.templateMaterial = MicroSplatShaderGUI.NewShaderAndMaterial(terrain, keywords.ToArray());
var config = TextureArrayConfigEditor.CreateConfig(terrain);
t.templateMaterial.SetTexture("_Diffuse", config.diffuseArray);
t.templateMaterial.SetTexture("_NormalSAO", config.normalSAOArray);
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
#if UNITY_2018_3_OR_NEWER
if (terrain.terrainData.terrainLayers.Length > 0)
{
var uvScale = terrain.terrainData.terrainLayers[0].tileSize;
var uvOffset = terrain.terrainData.terrainLayers[0].tileOffset;
uvScale = MicroSplatRuntimeUtil.UnityUVScaleToUVScale(uvScale, terrain);
uvOffset.x = uvScale.x / terrain.terrainData.size.x * 0.5f * uvOffset.x;
uvOffset.y = uvScale.y / terrain.terrainData.size.x * 0.5f * uvOffset.y;
Vector4 scaleOffset = new Vector4(uvScale.x, uvScale.y, uvOffset.x, uvOffset.y);
t.templateMaterial.SetVector("_UVScale", scaleOffset);
}
#else
if (terrain.terrainData.splatPrototypes.Length > 0)
{
var uvScale = terrain.terrainData.splatPrototypes [0].tileSize;
var uvOffset = terrain.terrainData.splatPrototypes [0].tileOffset;
uvScale = MicroSplatRuntimeUtil.UnityUVScaleToUVScale(uvScale, terrain);
uvOffset.x = uvScale.x / terrain.terrainData.size.x * 0.5f * uvOffset.x;
uvOffset.y = uvScale.y / terrain.terrainData.size.x * 0.5f * uvOffset.y;
Vector4 scaleOffset = new Vector4(uvScale.x, uvScale.y, uvOffset.x, uvOffset.y);
t.templateMaterial.SetVector("_UVScale", scaleOffset);
}
#endif
// we need to set a few things on the material if certain features are enabled.
// Test for property existence as module might not be installed and feature was culled.
if (System.Array.Exists(selectedConfig.keywords, x => x == "_TRIPLANAR"))
{
if (t.templateMaterial.HasProperty("_TriplanarUVScale"))
{
t.templateMaterial.SetVector("_TriplanarUVScale", new Vector4(0.25f, 0.25f, 0, 0));
}
}
if (System.Array.Exists(selectedConfig.keywords, x => x == "_NORMALNOISE"))
{
if (t.templateMaterial.HasProperty("_NormalNoise"))
{
t.templateMaterial.SetTexture("_NormalNoise", MicroSplatUtilities.GetAutoTexture("microsplat_def_detail_normal_01"));
}
}
// now make sure others all have the same settings as well.
for (int i = 0; i < terrains.Count; ++i)
{
var nt = terrains [i];
var mgr = nt.GetComponent <MicroSplatTerrain> ();
if (mgr == null)
{
mgr = nt.gameObject.AddComponent <MicroSplatTerrain> ();
}
mgr.templateMaterial = t.templateMaterial;
if (mgr.propData == null)
{
mgr.propData = MicroSplatShaderGUI.FindOrCreatePropTex(mgr.templateMaterial);
}
}
Selection.SetActiveObjectWithContext(config, config);
t.keywordSO = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
t.keywordSO.keywords.Clear();
t.keywordSO.keywords = new List <string> (keywords);
// force recompile, so that basemap shader name gets reset correctly..
MicroSplatShaderGUI.MicroSplatCompiler comp = new MicroSplatShaderGUI.MicroSplatCompiler();
comp.Compile(t.templateMaterial);
MicroSplatTerrain.SyncAll();
// trun on draw instanced if enabled and tessellation is disabled, unless render loop is LWRP/URP in which case it does work..
#if UNITY_2018_3_OR_NEWER
if (t.keywordSO != null && (!t.keywordSO.IsKeywordEnabled("_TESSDISTANCE") || t.keywordSO.IsKeywordEnabled("_MSRENDERLOOP_UNITYLD")))
{
for (int i = 0; i < terrains.Count; ++i)
{
var nt = terrains [i];
var mgr = nt.GetComponent <MicroSplatTerrain> ();
if (mgr != null && mgr.keywordSO != null && !mgr.keywordSO.IsKeywordEnabled("_MSRENDERLOOP_UNITYLD"))
{
nt.drawInstanced = true;
}
}
}
#endif
return(true);
}
}
}
return(false);
}
/// <summary>
/// Attempt to recompile MicroSplat shader, ensuring the name matches the landscape name
/// USAGE:
/// bool isSuccessful = MicroSplatCompileShader(landscape, customTerrainMaterial, true);
/// </summary>
/// <param name="landscape"></param>
/// <param name="terrainMat"></param>
/// <param name="showErrors"></param>
/// <returns></returns>
public static bool MicroSplatCompileShader(LBLandscape landscape, Material terrainMat, bool showErrors)
{
bool isSuccessful = false;
string methodName = "LBEditorIntegration.MicroSplatCompileShader";
//System.Type MicroSplatShaderGUIType = null;
try
{
if (landscape == null)
{
if (showErrors)
{
Debug.LogWarning("ERROR: " + methodName + " landscape is null. Please Report");
}
}
else if (terrainMat == null)
{
if (showErrors)
{
Debug.LogWarning("ERROR: " + methodName + " terrainMat is null. Please Report");
}
}
else
{
Shader shader = terrainMat.shader;
if (shader == null)
{
if (showErrors)
{
Debug.LogWarning(methodName + " - could not find MicroSplat shader. Please Report.");
}
}
else if (!shader.name.Contains("MicroSplat"))
{
if (showErrors)
{
Debug.LogWarning(methodName + " - terrain material is not using a MicroSplat shader. [" + shader.name + "]. Please Report");
}
}
else
{
// Create a new instance of the compiler class
MicroSplatShaderGUI.MicroSplatCompiler microSplatCompiler = new MicroSplatShaderGUI.MicroSplatCompiler();
string shaderPath = AssetDatabase.GetAssetPath(shader);
string shaderBasePath = shaderPath.Replace(".shader", "_Base.shader");
if (microSplatCompiler == null)
{
if (showErrors)
{
Debug.LogWarning(methodName + " - could not create MicroSplatCompiler instance. Please Report.");
}
}
else
{
microSplatCompiler.Init();
string[] shaderFeatures = terrainMat.shaderKeywords;
// Ensure shader names match the landscape name
string baseName = "Hidden/MicroSplat/" + landscape.name + "_Base";
string baseShaderOutput = microSplatCompiler.Compile(shaderFeatures, baseName);
string regularShaderOutput = microSplatCompiler.Compile(shaderFeatures, "MicroSplat/" + landscape.name, baseName);
//Debug.Log("[DEBUG] regularShaderOutput: " + regularShaderOutput);
// Copy the output back to the shader files in the project folder.
System.IO.File.WriteAllText(shaderPath, regularShaderOutput);
System.IO.File.WriteAllText(shaderBasePath, baseShaderOutput);
// Currently we don't use this but we "might" in the future
if (shaderFeatures.Contains("_MESHOVERLAYSPLATS"))
{
string meshOverlayShader = microSplatCompiler.Compile(shaderFeatures, "MicroSplat/" + landscape.name, null, true);
System.IO.File.WriteAllText(shaderPath.Replace(".shader", "_MeshOverlay.shader"), meshOverlayShader);
}
AssetDatabase.Refresh();
isSuccessful = !string.IsNullOrEmpty(baseShaderOutput) && !string.IsNullOrEmpty(regularShaderOutput);
}
}
}
}
catch (System.Exception ex)
{
if (showErrors)
{
Debug.LogWarning("LBIntegration.MegaSplatCompileShader something has gone wrong. Please report. " + ex.Message);
}
}
return(isSuccessful);
}
void DrawScatterGUI()
{
if (MicroSplatUtilities.DrawRollup("Brush Settings"))
{
brushSize = EditorGUILayout.Slider("Brush Size", brushSize, 0.01f, 30.0f);
brushFlow = EditorGUILayout.Slider("Brush Flow", brushFlow, 0.1f, 128.0f);
brushFalloff = EditorGUILayout.Slider("Brush Falloff", brushFalloff, 0.1f, 3.5f);
Material tempMat = null;
for (int i = 0; i < rawTerrains.Count; ++i)
{
Terrain t = rawTerrains [i];
MicroSplatTerrain mst = t.GetComponent <MicroSplatTerrain> ();
if (mst != null)
{
if (mst.templateMaterial != null && mst.templateMaterial.HasProperty("_ScatterDiffuse"))
{
Texture2DArray diff = mst.templateMaterial.GetTexture("_ScatterDiffuse") as Texture2DArray;
scatterIndex = MicroSplatUtilities.DrawTextureSelector(scatterIndex, diff, false);
tempMat = mst.templateMaterial;
}
else
{
scatterIndex = EditorGUILayout.IntField("Scatter Index", scatterIndex);
}
}
else
{
scatterIndex = EditorGUILayout.IntField("Scatter Index", scatterIndex);
}
}
//EditorGUILayout.MinMaxSlider (CSlopeRange, ref slopeRange.x, ref slopeRange.y, 0.0f, 1.0f);
paintValue = EditorGUILayout.Slider("Target Opacity", paintValue, 0.0f, 1.0f);
#if __MICROSPLAT_SCATTER__
if (tempMat != null)
{
scatterLayer = (ScatterLayer)EditorGUILayout.EnumPopup(CScatterLayer, scatterLayer);
EditorGUILayout.Separator();
using (new GUILayout.VerticalScope(GUI.skin.box))
{
EditorGUI.BeginChangeCheck();
EditorGUILayout.LabelField("Per Texture Properties");
bool changed = MicroSplatScatter.DrawPerTexExternal(tempMat, scatterIndex);
EditorGUILayout.Separator();
// sync compile changes
if (changed)
{
MicroSplatShaderGUI.MicroSplatCompiler comp = new MicroSplatShaderGUI.MicroSplatCompiler();
comp.Init();
comp.Compile(tempMat);
}
// sync property changes
if (EditorGUI.EndChangeCheck())
{
MicroSplatObject.SyncAll();
}
}
}
#endif
GUILayout.Box("", new GUILayoutOption [] { GUILayout.ExpandWidth(true), GUILayout.Height(1) });
EditorGUILayout.Separator();
}
DrawFillGUI();
}