public static void GenerateTerrainBlendData(MicroSplatTerrain bt)
{
Terrain t = bt.GetComponent <Terrain>();
int w = t.terrainData.heightmapResolution;
int h = t.terrainData.heightmapResolution;
Texture2D data = new Texture2D(w, h, TextureFormat.RGBAHalf, true, true);
for (int x = 0; x < w; ++x)
{
for (int y = 0; y < h; ++y)
{
float height = t.terrainData.GetHeight(x, y);
Vector3 normal = t.terrainData.GetInterpolatedNormal((float)x / w, (float)y / h);
// When you save a texture to EXR format, either in the saving or import stage,
// some type of gamma curve is applied regardless of the fact that the textures is
// set to linear. So we pow it here to counteract it, whis is total BS, but works..
normal.x = (normal.x >= 0) ? Mathf.Pow(normal.x, 2.0f) : Mathf.Pow(normal.x, 2) * -1;
normal.z = (normal.z >= 0) ? Mathf.Pow(normal.z, 2.0f) : Mathf.Pow(normal.z, 2) * -1;
data.SetPixel(x, y, new Color(normal.x, normal.y, normal.z, height));
}
}
data.Apply();
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + ".exr";
var bytes = data.EncodeToEXR(Texture2D.EXRFlags.OutputAsFloat);
System.IO.File.WriteAllBytes(path, bytes);
GameObject.DestroyImmediate(data);
AssetDatabase.Refresh();
bt.terrainDesc = AssetDatabase.LoadAssetAtPath <Texture2D>(path);
var ai = AssetImporter.GetAtPath(path);
var ti = ai as TextureImporter;
var ps = ti.GetDefaultPlatformTextureSettings();
if (ti.isReadable == true ||
ti.wrapMode != TextureWrapMode.Clamp ||
ps.format != TextureImporterFormat.RGBAHalf ||
ps.textureCompression != TextureImporterCompression.Uncompressed ||
ps.overridden != true ||
ti.filterMode != FilterMode.Bilinear ||
ti.sRGBTexture != false)
{
ti.sRGBTexture = false;
ti.filterMode = FilterMode.Bilinear;
ti.mipmapEnabled = true;
ti.wrapMode = TextureWrapMode.Clamp;
ti.isReadable = false;
ps.format = TextureImporterFormat.RGBAHalf;
ps.textureCompression = TextureImporterCompression.Uncompressed;
ps.overridden = true;
ti.SetPlatformTextureSettings(ps);
ti.SaveAndReimport();
}
bt.sTerrainDirty = false;
EditorUtility.SetDirty(bt);
MicroSplatTerrain.SyncAll();
}
public void DoPerPixelNormalGUI()
{
MicroSplatTerrain bt = target as MicroSplatTerrain;
Terrain t = bt.GetComponent <Terrain>();
if (t == null || t.terrainData == null)
{
EditorGUILayout.HelpBox("No Terrain data found", MessageType.Error);
return;
}
if (t.materialTemplate == null)
{
return;
}
if (bt.keywordSO == null)
{
return;
}
if (bt.terrain.drawInstanced && bt.perPixelNormal != null && !bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING"))
{
EditorGUILayout.HelpBox("Per Pixel Normal is assigned, but shader is using Instance rendering, which automatically provides per-pixel normal. You may turn off per pixel normal if it's on and clear the normal data to save memory.", MessageType.Warning);
if (bt.perPixelNormal != null && GUILayout.Button("Clear"))
{
bt.perPixelNormal = null;
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
}
}
MicroSplatUtilities.DrawTextureField(bt, CPerPixelNormal, ref bt.perPixelNormal, "_PERPIXNORMAL", "_TERRAINBLENDING", null, null, false);
if (bt.perPixelNormal == null &&
(bt.keywordSO.IsKeywordEnabled("_PERPIXNORMAL") || bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING")))
{
EditorGUILayout.HelpBox("Terrain Normal Data is not present, please generate", MessageType.Warning);
}
if (bt.keywordSO.IsKeywordEnabled("_PERPIXNORMAL") || bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING"))
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Normal Data");
if (GUILayout.Button(bt.perPixelNormal == null ? "Generate" : "Update"))
{
GenerateTerrainNormalMap(bt);
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
}
if (bt.perPixelNormal != null && GUILayout.Button("Clear"))
{
bt.perPixelNormal = null;
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
}
EditorGUILayout.EndHorizontal();
}
}
public void DoTerrainDescGUI()
{
MicroSplatTerrain bt = target as MicroSplatTerrain;
Terrain t = bt.GetComponent <Terrain>();
if (t == null || t.terrainData == null)
{
return;
}
if (t.materialTemplate == null)
{
return;
}
if (bt.keywordSO == null)
{
return;
}
if (!bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING") && !bt.keywordSO.IsKeywordEnabled("_DYNAMICFLOWS"))
{
return;
}
EditorGUILayout.Space();
if (bt.blendMat == null && bt.templateMaterial != null && bt.keywordSO != null && bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING"))
{
var path = AssetDatabase.GetAssetPath(bt.templateMaterial);
path = path.Replace(".mat", "_TerrainObjectBlend.mat");
bt.blendMat = AssetDatabase.LoadAssetAtPath <Material>(path);
if (bt.blendMat == null)
{
string shaderPath = path.Replace(".mat", ".shader");
Shader shader = AssetDatabase.LoadAssetAtPath <Shader>(shaderPath);
if (shader == null)
{
shaderPath = path.Replace(".shader", ".surfshader");
shader = AssetDatabase.LoadAssetAtPath <Shader>(shaderPath);
}
if (shader == null)
{
shaderPath = AssetDatabase.GetAssetPath(bt.templateMaterial.shader);
shaderPath = shaderPath.Replace(".shader", "_TerrainObjectBlend.shader");
shaderPath = shaderPath.Replace(".surfshader", "_TerrainObjectBlend.surfshader");
shader = AssetDatabase.LoadAssetAtPath <Shader>(shaderPath);
}
if (shader != null)
{
Material mat = new Material(shader);
AssetDatabase.CreateAsset(mat, path);
AssetDatabase.SaveAssets();
MicroSplatTerrain.SyncAll();
}
}
}
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
}
public void DoPerPixelNormalGUI()
{
MicroSplatTerrain bt = target as MicroSplatTerrain;
Terrain t = bt.GetComponent <Terrain>();
if (t == null || t.terrainData == null)
{
EditorGUILayout.HelpBox("No Terrain data found", MessageType.Error);
return;
}
if (t.materialType != Terrain.MaterialType.Custom || t.materialTemplate == null)
{
return;
}
if (bt.keywordSO == null)
{
return;
}
if (!bt.keywordSO.IsKeywordEnabled("_PERPIXNORMAL"))
{
bt.perPixelNormal = null;
return;
}
#if UNITY_2018_3_OR_NEWER
if (bt.terrain.drawInstanced && bt.perPixelNormal)
{
EditorGUILayout.HelpBox("Per Pixel Normal is assigned, but shader is using Instance rendering, which automatically provides per-pixel normal. You may turn off per pixel normal and clear the normal data to save memory.", MessageType.Warning);
}
#endif
if (bt.perPixelNormal == null)
{
EditorGUILayout.HelpBox("Terrain Normal Data is not present, please generate", MessageType.Warning);
}
if (bt.perPixelNormal != null && bt.sTerrainDirty)
{
EditorGUILayout.HelpBox("Terrain Normal data is out of date, please update", MessageType.Warning);
}
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Normal Data");
if (GUILayout.Button(bt.perPixelNormal == null ? "Generate" : "Update"))
{
GenerateTerrainNormalMap(bt);
}
if (bt.perPixelNormal != null && GUILayout.Button("Clear"))
{
bt.perPixelNormal = null;
}
EditorGUILayout.EndHorizontal();
}
public static void GenerateTerrainNormalMap(MicroSplatTerrain bt)
{
Terrain t = bt.GetComponent <Terrain>();
int w = t.terrainData.heightmapResolution;
int h = t.terrainData.heightmapResolution;
Texture2D data = new Texture2D(w, h, TextureFormat.RGBA32, true, true);
for (int x = 0; x < w; ++x)
{
for (int y = 0; y < h; ++y)
{
Vector3 normal = t.terrainData.GetInterpolatedNormal((float)x / w, (float)y / h);
data.SetPixel(x, y, new Color(normal.x * 0.5f + 0.5f, normal.z * 0.5f + 0.5f, normal.y));
}
}
data.Apply();
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + "_normal.png";
var bytes = data.EncodeToPNG();
System.IO.File.WriteAllBytes(path, bytes);
GameObject.DestroyImmediate(data);
AssetDatabase.Refresh();
bt.perPixelNormal = AssetDatabase.LoadAssetAtPath <Texture2D>(path);
var ai = AssetImporter.GetAtPath(path);
var ti = ai as TextureImporter;
var ps = ti.GetDefaultPlatformTextureSettings();
if (ti.isReadable == true ||
ti.wrapMode != TextureWrapMode.Clamp ||
ps.overridden != true ||
ti.textureType != TextureImporterType.NormalMap)
{
ti.textureType = TextureImporterType.NormalMap;
ti.mipmapEnabled = true;
ti.wrapMode = TextureWrapMode.Clamp;
ti.isReadable = false;
ps.overridden = true;
ti.SetPlatformTextureSettings(ps);
ti.SaveAndReimport();
}
bt.sTerrainDirty = false;
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
MicroSplatTerrain.SyncAll();
AssetDatabase.SaveAssets();
}
public void DoCavityMapGUI()
{
MicroSplatTerrain bt = target as MicroSplatTerrain;
Terrain t = bt.GetComponent <Terrain>();
if (t == null || t.terrainData == null)
{
EditorGUILayout.HelpBox("No Terrain data found", MessageType.Error);
return;
}
if (t.materialTemplate == null)
{
return;
}
if (bt.keywordSO == null)
{
return;
}
if (bt.cavityMap == null)
{
EditorGUILayout.HelpBox("Cavity Map Data is not present, please generate or provide", MessageType.Warning);
}
bt.cavityMap = (Texture2D)EditorGUILayout.ObjectField("Cavity Map", bt.cavityMap, typeof(Texture2D), false);
if (bt.cavityMap != null && bt.sTerrainDirty)
{
EditorGUILayout.HelpBox("Cavity data may be out of date as terrain has changed", MessageType.Warning);
}
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Cavity Data");
if (GUILayout.Button(bt.cavityMap == null ? "Generate" : "Update"))
{
ComputeCavityFlowMap(bt);
}
if (bt.cavityMap != null && GUILayout.Button("Clear"))
{
bt.cavityMap = null;
}
EditorGUILayout.EndHorizontal();
}
/// <summary>
/// Preprocess the terrain to clamp down on the number of splat maps which have weights on each control point. First pass
/// limits the number of weights to the specified amount per control point. Since each rendered pixel is a blend of 4 possible
/// control points, this still means a given pixel may need up to 4 weights even if the control point is clamped to 1 weight.
/// In the second pass, we check all of the neighoring pixels to see if they have different weights- if they do, we clamp
/// down to one less weight on this control point. The idea here is to create some extra headroom for the blend, but since
/// you can still need 4 blend weights in some cases, there is no perfect solution to this issue when running with less than
/// 4 blend weights. It does, however, greatly help when running under those constraints.
///
/// </summary>
/// <param name="bt">Bt.</param>
/// <param name="maxWeights">Max weights.</param>
/// <param name="secondPass">If set to <c>true</c> second pass.</param>
public static void WeightLimitTerrain(MicroSplatTerrain bt, int maxWeights, bool secondPass = false)
{
Terrain t = bt.GetComponent <Terrain>();
if (t == null)
{
return;
}
UnityEngine.TerrainData td = t.terrainData;
if (td == null)
{
return;
}
int w = td.alphamapWidth;
int h = td.alphamapHeight;
int l = td.alphamapLayers;
Undo.RegisterCompleteObjectUndo(t, "Weight Limit Terrain");
var splats = td.GetAlphamaps(0, 0, w, h);
float[] data = new float[16];
List <WeightPair> sorted = new List <WeightPair>();
List <int> validIndexes = new List <int>();
for (int x = 0; x < w; ++x)
{
for (int y = 0; y < h; ++y)
{
// gather all weights
for (int i = 0; i < l; ++i)
{
data[i] = splats[x, y, i];
}
sorted.Clear();
for (int i = 0; i < 16; ++i)
{
var wp = new WeightPair();
wp.index = i;
wp.weight = data[i];
sorted.Add(wp);
}
sorted.Sort((w0, w1) => w1.weight.CompareTo(w0.weight));
// remove lower weights
int allowedWeights = maxWeights;
while (sorted.Count > allowedWeights)
{
sorted.RemoveAt(sorted.Count - 1);
}
// generate valid index list
validIndexes.Clear();
for (int i = 0; i < sorted.Count; ++i)
{
if (sorted[i].weight > 0)
{
validIndexes.Add(sorted[i].index);
}
}
// figure out if our neighbors have weights which we don't have- if so, clamp down harder to make room for blending..
// if not, allow us to blend fully. We do this in a second pass so that small weights are reduced before we make
// this decision..
if (secondPass)
{
for (int xm = -1; xm < 2; ++xm)
{
for (int ym = -1; ym < 2; ++ym)
{
int nx = x + xm;
int ny = y + ym;
if (nx >= 0 && ny >= 0 && nx < w && ny < y)
{
for (int layer = 0; layer < l; ++layer)
{
float weight = splats[nx, ny, layer];
if (weight > 0 && !validIndexes.Contains(layer))
{
allowedWeights = maxWeights - 1;
}
}
}
}
}
while (sorted.Count > allowedWeights)
{
sorted.RemoveAt(sorted.Count - 1);
}
// generate valid index list
validIndexes.Clear();
for (int i = 0; i < sorted.Count; ++i)
{
if (sorted[i].weight > 0)
{
validIndexes.Add(sorted[i].index);
}
}
}
// clear non-valid indexes
for (int j = 0; j < 16; ++j)
{
if (!validIndexes.Contains(j))
{
data[j] = 0;
}
}
// now normalize weights so that they total one on each pixel
float total = 0;
for (int j = 0; j < 16; ++j)
{
total += data[j];
}
float scale = 1.0f / total;
for (int j = 0; j < 16; ++j)
{
data[j] *= scale;
}
// now map back to splat data array
for (int i = 0; i < l; ++i)
{
splats[x, y, i] = data[i];
}
}
}
td.SetAlphamaps(0, 0, splats);
}
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);
}
public static void GenerateTerrainBlendData(MicroSplatTerrain bt)
{
Terrain t = bt.GetComponent <Terrain>();
int w = t.terrainData.heightmapResolution;
int h = t.terrainData.heightmapResolution;
Texture2D data = null;
if (SystemInfo.SupportsTextureFormat(TextureFormat.RGBAHalf))
{
data = new Texture2D(w, h, TextureFormat.RGBAHalf, true, true);
}
#if UNITY_2018_3_OR_NEWER
else if (SystemInfo.SupportsTextureFormat(TextureFormat.RGBAFloat))
{
data = new Texture2D(w, h, TextureFormat.RGBAFloat, true, true);
}
#endif
else
{
Debug.LogError("System does not support RGBAHalf or RGBAFloat texture formats, Terrain Descriptor cannot be generated.");
return;
}
for (int x = 0; x < w; ++x)
{
for (int y = 0; y < h; ++y)
{
float height = t.terrainData.GetHeight(x, y);
Vector3 normal = t.terrainData.GetInterpolatedNormal((float)x / w, (float)y / h);
// When you save a texture to EXR format, either in the saving or import stage,
// some type of gamma curve is applied regardless of the fact that the textures is
// set to linear. So we pow it here to counteract it, whis is total BS, but works..
normal.x = (normal.x >= 0) ? Mathf.Pow(normal.x, 2.0f) : Mathf.Pow(normal.x, 2) * -1;
normal.z = (normal.z >= 0) ? Mathf.Pow(normal.z, 2.0f) : Mathf.Pow(normal.z, 2) * -1;
data.SetPixel(x, y, new Color(normal.x, normal.y, normal.z, height));
}
}
data.Apply();
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + ".exr";
var bytes = data.EncodeToEXR(Texture2D.EXRFlags.OutputAsFloat);
System.IO.File.WriteAllBytes(path, bytes);
GameObject.DestroyImmediate(data);
AssetDatabase.Refresh();
bt.terrainDesc = AssetDatabase.LoadAssetAtPath <Texture2D>(path);
var ai = AssetImporter.GetAtPath(path);
var ti = ai as TextureImporter;
// default platform no longer supports RGBA half/float in newer unity, so we override all platforms
bool changed = false;
var platforms = System.Enum.GetNames(typeof(BuildTarget));
for (int i = 0; i < platforms.Length; ++i)
{
string platform = platforms [i];
var ps = ti.GetPlatformTextureSettings(platform);
if (ti.isReadable == true ||
ti.wrapMode != TextureWrapMode.Clamp ||
#if UNITY_2018_3_OR_NEWER
(ps.format != TextureImporterFormat.RGBAHalf && ps.format != TextureImporterFormat.RGBAFloat) ||
#else
ps.format != TextureImporterFormat.RGBAHalf ||
#endif
ps.textureCompression != TextureImporterCompression.Uncompressed ||
ps.overridden != true ||
ti.filterMode != FilterMode.Bilinear ||
ti.sRGBTexture != false)
{
ti.sRGBTexture = false;
ti.filterMode = FilterMode.Bilinear;
ti.mipmapEnabled = true;
ti.wrapMode = TextureWrapMode.Clamp;
ti.isReadable = false;
#if UNITY_2018_3_OR_NEWER
if (SystemInfo.SupportsTextureFormat(TextureFormat.RGBAHalf))
{
ps.format = TextureImporterFormat.RGBAHalf;
}
else
{
ps.format = TextureImporterFormat.RGBAFloat;
}
#else
ps.format = TextureImporterFormat.RGBAHalf;
#endif
ps.textureCompression = TextureImporterCompression.Uncompressed;
ps.overridden = true;
try
{
ti.SetPlatformTextureSettings(ps);
changed = true;
}
catch
{
}
}
}
if (changed)
{
ti.SaveAndReimport();
}
bt.sTerrainDirty = false;
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
MicroSplatTerrain.SyncAll();
AssetDatabase.SaveAssets();
}
public void DoTerrainDescGUI()
{
MicroSplatTerrain bt = target as MicroSplatTerrain;
Terrain t = bt.GetComponent <Terrain>();
if (t == null || t.terrainData == null)
{
EditorGUILayout.HelpBox("No Terrain found, please add this component to your terrain", MessageType.Error);
return;
}
if (t.materialTemplate == null)
{
return;
}
if (bt.keywordSO == null)
{
return;
}
if (!bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING") && !bt.keywordSO.IsKeywordEnabled("_DYNAMICFLOWS"))
{
return;
}
EditorGUILayout.Space();
if (bt.terrainDesc == null)
{
EditorGUILayout.HelpBox("Terrain Descriptor Data is not present, please generate", MessageType.Info);
}
if (bt.terrainDesc != null && bt.sTerrainDirty)
{
EditorGUILayout.HelpBox("Terrain Descriptor data is out of date, please update", MessageType.Info);
}
if (GUILayout.Button(bt.terrainDesc == null ? "Generate Terrain Descriptor Data" : "Update Terrain Descriptor Data"))
{
GenerateTerrainBlendData(bt);
}
if (bt.terrainDesc != null && GUILayout.Button("Clear Terrain Descriptor Data"))
{
bt.terrainDesc = null;
}
if (bt.terrainDesc != null)
{
EditorGUILayout.BeginHorizontal();
int mem = bt.terrainDesc.width * bt.terrainDesc.height;
mem /= 128;
EditorGUILayout.LabelField("Terrain Descriptor Data Memory: " + mem.ToString() + "kb");
EditorGUILayout.EndHorizontal();
}
if (bt.blendMat == null && bt.templateMaterial != null && bt.keywordSO != null && bt.keywordSO.IsKeywordEnabled("_TERRAINBLENDING"))
{
var path = AssetDatabase.GetAssetPath(bt.templateMaterial);
path = path.Replace(".mat", "_TerrainObjectBlend.mat");
bt.blendMat = AssetDatabase.LoadAssetAtPath <Material>(path);
if (bt.blendMat == null)
{
string shaderPath = path.Replace(".mat", ".shader");
Shader shader = AssetDatabase.LoadAssetAtPath <Shader>(shaderPath);
if (shader == null)
{
shaderPath = AssetDatabase.GetAssetPath(bt.templateMaterial.shader);
shaderPath = shaderPath.Replace(".shader", "_TerrainObjectBlend.shader");
shader = AssetDatabase.LoadAssetAtPath <Shader>(shaderPath);
}
if (shader != null)
{
Material mat = new Material(shader);
AssetDatabase.CreateAsset(mat, path);
AssetDatabase.SaveAssets();
MicroSplatTerrain.SyncAll();
}
}
}
EditorUtility.SetDirty(bt);
EditorUtility.SetDirty(bt.terrain);
}
//static GUIContent AdvDetailControl = new GUIContent("Advanced Detail Control", "Control map for Advanced Details");
public override void OnInspectorGUI()
{
MicroSplatTerrain t = target as MicroSplatTerrain;
if (t == null)
{
EditorGUILayout.HelpBox("No Terrain Present, please put this component on a terrain", MessageType.Error);
return;
}
EditorGUI.BeginChangeCheck();
t.templateMaterial = EditorGUILayout.ObjectField(CTemplateMaterial, t.templateMaterial, typeof(Material), false) as Material;
if (t.templateMaterial == null)
{
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]);
}
}
}
// setup this terrain
Terrain terrain = t.GetComponent <Terrain>();
t.templateMaterial = MicroSplatShaderGUI.NewShaderAndMaterial(terrain);
var config = TextureArrayConfigEditor.CreateConfig(terrain);
t.templateMaterial.SetTexture("_Diffuse", config.diffuseArray);
t.templateMaterial.SetTexture("_NormalSAO", config.normalSAOArray);
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
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);
}
// 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);
}
MicroSplatTerrain.SyncAll();
return;
}
if (t.propData == null)
{
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
}
#if __MICROSPLAT_TERRAINBLEND__ || __MICROSPLAT_STREAMS__
DoTerrainDescGUI();
#endif
// could move this to some type of interfaced component created by the module if this becomes a thing,
// but I think this will be most of the cases?
MicroSplatUtilities.DrawTextureField(t, geoTexOverride, ref t.geoTextureOverride, "_GEOMAP");
MicroSplatUtilities.DrawTextureField(t, geoTintOverride, ref t.tintMapOverride, "_GLOBALTINT");
MicroSplatUtilities.DrawTextureField(t, geoNormalOverride, ref t.globalNormalOverride, "_GLOBALNORMALS");
#if __MICROSPLAT_ADVANCED_DETAIL__
DrawAdvancedModuleDetailGUI(t);
#endif
if (t.templateMaterial.IsKeywordEnabled("_VSGRASSMAP"))
{
EditorGUI.BeginChangeCheck();
t.vsGrassMap = EditorGUILayout.ObjectField(CVSGrassMap, t.vsGrassMap, typeof(Texture2D), false) as Texture2D;
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
if (t.templateMaterial.IsKeywordEnabled("_VSSHADOWMAP"))
{
EditorGUI.BeginChangeCheck();
t.vsShadowMap = EditorGUILayout.ObjectField(CVSShadowMap, t.vsShadowMap, typeof(Texture2D), false) as Texture2D;
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Sync"))
{
var mgr = target as MicroSplatTerrain;
mgr.Sync();
}
if (GUILayout.Button("Sync All"))
{
MicroSplatTerrain.SyncAll();
}
EditorGUILayout.EndHorizontal();
BakingGUI(t);
WeightLimitingGUI(t);
#if __MICROSPLAT_ADVANCED_DETAIL__
DrawAdvancedModuleDetailTooset(t);
#endif
if (MicroSplatUtilities.DrawRollup("Debug", false, true))
{
EditorGUI.indentLevel += 2;
EditorGUILayout.HelpBox("These should not need to be edited unless something funky has happened. They are automatically managed by MicroSplat.", MessageType.Info);
t.propData = EditorGUILayout.ObjectField("Per Texture Data", t.propData, typeof(MicroSplatPropData), false) as MicroSplatPropData;
t.blendMat = EditorGUILayout.ObjectField(CBlendMat, t.blendMat, typeof(Material), false) as Material;
t.terrainDesc = EditorGUILayout.ObjectField("Terrain Descriptor", t.terrainDesc, typeof(Texture2D), false) as Texture2D;
t.addPass = EditorGUILayout.ObjectField("Add Pass", t.addPass, typeof(Shader), false) as Shader;
EditorGUI.indentLevel -= 2;
}
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
public override void OnInspectorGUI()
{
MicroSplatTerrain t = target as MicroSplatTerrain;
if (t == null)
{
EditorGUILayout.HelpBox("No Terrain Present, please put this component on a terrain", MessageType.Error);
return;
}
EditorGUI.BeginChangeCheck();
t.templateMaterial = EditorGUILayout.ObjectField(CTemplateMaterial, t.templateMaterial, typeof(Material), false) as Material;
if (t.templateMaterial == null)
{
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]);
}
}
}
// setup this terrain
Terrain terrain = t.GetComponent <Terrain>();
t.templateMaterial = MicroSplatShaderGUI.NewShaderAndMaterial(terrain);
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
// 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);
}
MicroSplatTerrain.SyncAll();
return;
}
if (t.propData == null)
{
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
EditorUtility.SetDirty(t);
}
if (t.keywordSO == null)
{
t.keywordSO = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
EditorUtility.SetDirty(t);
}
EditorGUI.BeginChangeCheck();
#if __MICROSPLAT_PROCTEX__
if (t.keywordSO.IsKeywordEnabled("_PROCEDURALTEXTURE") || t.keywordSO.IsKeywordEnabled("_PCHEIGHTGRADIENT") || t.keywordSO.IsKeywordEnabled("_PCHEIGHTHSV"))
{
var old = t.procTexCfg;
t.procTexCfg = MicroSplatProceduralTexture.FindOrCreateProceduralConfig(t.templateMaterial);
if (old != t.procTexCfg)
{
EditorUtility.SetDirty(t);
}
}
#endif
#if __MICROSPLAT_TERRAINBLEND__ || __MICROSPLAT_STREAMS__
DoTerrainDescGUI();
#endif
DoPerPixelNormalGUI();
#if __MICROSPLAT_PROCTEX__
if (t.keywordSO.IsKeywordEnabled(MicroSplatProceduralTexture.GetFeatureName(MicroSplatProceduralTexture.DefineFeature._PCCAVITY)) ||
t.keywordSO.IsKeywordEnabled(MicroSplatProceduralTexture.GetFeatureName(MicroSplatProceduralTexture.DefineFeature._PCFLOW)))
{
DoCavityMapGUI();
}
#endif
// could move this to some type of interfaced component created by the module if this becomes a thing,
// but I think this will be most of the cases?
MicroSplatUtilities.DrawTextureField(t, CCustomSplat0, ref t.customControl0, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat1, ref t.customControl1, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat2, ref t.customControl2, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat3, ref t.customControl3, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat4, ref t.customControl4, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat5, ref t.customControl5, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat6, ref t.customControl6, "_CUSTOMSPLATTEXTURES");
MicroSplatUtilities.DrawTextureField(t, CCustomSplat7, ref t.customControl7, "_CUSTOMSPLATTEXTURES");
// perpixel normal
MicroSplatUtilities.DrawTextureField(t, perPixelNormal, ref t.perPixelNormal, "_PERPIXELNORMAL");
// global texture overrides
#if __MICROSPLAT_GLOBALTEXTURE__
MicroSplatUtilities.DrawTextureField(t, geoTexOverride, ref t.geoTextureOverride, "_GEOMAP");
MicroSplatUtilities.DrawTextureField(t, geoTintOverride, ref t.tintMapOverride, "_GLOBALTINT");
MicroSplatUtilities.DrawTextureField(t, geoNormalOverride, ref t.globalNormalOverride, "_GLOBALNORMALS");
MicroSplatUtilities.DrawTextureField(t, geoSAOMOverride, ref t.globalSAOMOverride, "_GLOBALSMOOTHAOMETAL");
MicroSplatUtilities.DrawTextureField(t, geoEmisOverride, ref t.globalEmisOverride, "_GLOBALEMIS");
#endif
#if __MICROSPLAT_ALPHAHOLE__
// alpha hole override
MicroSplatUtilities.DrawTextureField(t, clipMapOverride, ref t.clipMap, "_ALPHAHOLETEXTURE");
#endif
#if (VEGETATION_STUDIO || VEGETATION_STUDIO_PRO)
// vsstudio overrides
MicroSplatUtilities.DrawTextureField(t, CVSGrassMap, ref t.vsGrassMap, "_VSGRASSMAP");
MicroSplatUtilities.DrawTextureField(t, CVSShadowMap, ref t.vsShadowMap, "_VSSHADOWMAP");
#endif
#if __MICROSPLAT_PROCTEX__
MicroSplatUtilities.DrawTextureField(t, biomeOverride, ref t.procBiomeMask, "_PROCEDURALTEXTURE");
#endif
#if __MICROSPLAT_ADVANCED_DETAIL__
DrawAdvancedModuleDetailGUI(t);
#endif
if (t.propData == null && t.templateMaterial != null)
{
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
if (t.propData == null)
{
// this should really never happen, but users seem to have issues with unassigned propData's a lot. I think
// this is from external tools like MapMagic not creating it, but the above call should create it.
EditorGUILayout.HelpBox("PropData is null, please assign", MessageType.Error);
t.propData = EditorGUILayout.ObjectField("Per Texture Data", t.propData, typeof(MicroSplatPropData), false) as MicroSplatPropData;
}
}
if (EditorGUI.EndChangeCheck())
{
MicroSplatTerrain.SyncAll();
}
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Sync"))
{
var mgr = target as MicroSplatTerrain;
mgr.Sync();
}
if (GUILayout.Button("Sync All"))
{
MicroSplatTerrain.SyncAll();
}
EditorGUILayout.EndHorizontal();
BakingGUI(t);
WeightLimitingGUI(t);
ImportExportGUI();
#if __MICROSPLAT_ADVANCED_DETAIL__
DrawAdvancedModuleDetailTooset(t);
#endif
if (MicroSplatUtilities.DrawRollup("Debug", false, true))
{
EditorGUI.indentLevel += 2;
EditorGUILayout.HelpBox("These should not need to be edited unless something funky has happened. They are automatically managed by MicroSplat.", MessageType.Info);
t.propData = EditorGUILayout.ObjectField("Per Texture Data", t.propData, typeof(MicroSplatPropData), false) as MicroSplatPropData;
#if __MICROSPLAT_PROCTEX__
t.procTexCfg = EditorGUILayout.ObjectField("Procedural Config", t.procTexCfg, typeof(MicroSplatProceduralTextureConfig), false) as MicroSplatProceduralTextureConfig;
#endif
t.keywordSO = EditorGUILayout.ObjectField("Keywords", t.keywordSO, typeof(MicroSplatKeywords), false) as MicroSplatKeywords;
t.blendMat = EditorGUILayout.ObjectField(CBlendMat, t.blendMat, typeof(Material), false) as Material;
t.terrainDesc = EditorGUILayout.ObjectField("Terrain Descriptor", t.terrainDesc, typeof(Texture2D), false) as Texture2D;
t.perPixelNormal = EditorGUILayout.ObjectField("Normal Data", t.perPixelNormal, typeof(Texture2D), false) as Texture2D;
t.addPass = EditorGUILayout.ObjectField("Add Pass", t.addPass, typeof(Shader), false) as Shader;
EditorGUI.indentLevel -= 2;
}
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
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);
}
public override void OnInspectorGUI()
{
MicroSplatTerrain t = target as MicroSplatTerrain;
if (t == null)
{
EditorGUILayout.HelpBox("No Terrain Present, please put this component on a terrain", MessageType.Error);
return;
}
EditorGUI.BeginChangeCheck();
t.templateMaterial = EditorGUILayout.ObjectField(CTemplateMaterial, t.templateMaterial, typeof(Material), false) as Material;
t.propData = EditorGUILayout.ObjectField("Per Texture Data", t.propData, typeof(MicroSplatPropData), false) as MicroSplatPropData;
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
if (t.templateMaterial == null)
{
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]);
}
}
}
// setup this terrain
Terrain terrain = t.GetComponent <Terrain>();
t.templateMaterial = MicroSplatShaderGUI.NewShaderAndMaterial(terrain);
var config = TextureArrayConfigEditor.CreateConfig(terrain);
t.templateMaterial.SetTexture("_Diffuse", config.diffuseArray);
t.templateMaterial.SetTexture("_NormalSAO", config.normalSAOArray);
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
bool perTexScaleOffset = false;
if (terrain.terrainData.splatPrototypes.Length > 0)
{
var uvScale = terrain.terrainData.splatPrototypes[0].tileSize;
var uvOffset = terrain.terrainData.splatPrototypes[0].tileOffset;
for (int i = 1; i < terrain.terrainData.splatPrototypes.Length; ++i)
{
if (uvScale != terrain.terrainData.splatPrototypes[0].tileSize ||
uvOffset != terrain.terrainData.splatPrototypes[0].tileOffset)
{
perTexScaleOffset = true;
}
}
if (!perTexScaleOffset)
{
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);
}
}
if (perTexScaleOffset)
{
t.templateMaterial.SetVector("_UVScale", new Vector4(1, 1, 0, 0));
t.templateMaterial.EnableKeyword("_PERTEXUVSCALE");
t.templateMaterial.EnableKeyword("_PERTEXUVOFFSET");
var propTex = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
// set per tex props for each texture
for (int i = 0; i < terrain.terrainData.splatPrototypes.Length; ++i)
{
var uvScale = terrain.terrainData.splatPrototypes[i].tileSize;
var uvOffset = terrain.terrainData.splatPrototypes[i].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;
Color c = new Color(uvScale.x, uvScale.y, uvOffset.x, uvOffset.y);
propTex.SetValue(i, 0, c);
}
}
// 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);
}
MicroSplatTerrain.SyncAll();
return;
}
if (t.propData == null)
{
t.propData = MicroSplatShaderGUI.FindOrCreatePropTex(t.templateMaterial);
}
#if __MICROSPLAT_TERRAINBLEND__ || __MICROSPLAT_STREAMS__
DoTerrainDescGUI();
#endif
// could move this to some type of interfaced component created by the module if this becomes a thing,
// but I think this will be most of the cases?
MicroSplatUtilities.DrawTextureField(t, geoTexOverride, ref t.geoTextureOverride, "_GEOMAP");
MicroSplatUtilities.DrawTextureField(t, geoTintOverride, ref t.tintMapOverride, "_GLOBALTINT");
MicroSplatUtilities.DrawTextureField(t, geoNormalOverride, ref t.globalNormalOverride, "_GLOBALNORMALS");
MicroSplatUtilities.DrawTextureField(t, AdvDetailControl, ref t.advDetailControl, "_ADVANCED_DETAIL");
if (t.templateMaterial.IsKeywordEnabled("_VSGRASSMAP"))
{
EditorGUI.BeginChangeCheck();
t.vsGrassMap = EditorGUILayout.ObjectField(CVSGrassMap, t.vsGrassMap, typeof(Texture2D), false) as Texture2D;
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
if (t.templateMaterial.IsKeywordEnabled("_VSSHADOWMAP"))
{
EditorGUI.BeginChangeCheck();
t.vsShadowMap = EditorGUILayout.ObjectField(CVSShadowMap, t.vsShadowMap, typeof(Texture2D), false) as Texture2D;
if (EditorGUI.EndChangeCheck())
{
EditorUtility.SetDirty(t);
}
}
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Sync"))
{
var mgr = target as MicroSplatTerrain;
mgr.Sync();
}
if (GUILayout.Button("Sync All"))
{
MicroSplatTerrain.SyncAll();
}
EditorGUILayout.EndHorizontal();
BakingGUI(t);
WeightLimitingGUI(t);
}
