private void OnEnable()
{
GrassNStuff GNS = (GrassNStuff)target;
var LayerList = this.AddReorderableList <GNS_Layer> ("Layers", GNS.Layers, (Rect rect, int index, bool isActive, bool isFocused) => {
GNS.Layers[index] = (GNS_Layer)EditorGUI.ObjectField(rect, (GNS.Layers[index] != null)?GNS.Layers[index].name:"Empty Layer", GNS.Layers[index], typeof(GNS_Layer));
});
LayerList.onAddCallback = (UnityEditorInternal.ReorderableList list) => {
LayerList.list.Add(null);
};
this.AddReorderableList <Vector2> ("LOD Levels", GNS.LODDistances, (Rect rect, int index, bool isActive, bool isFocused) => {
float HalfWidth = rect.width * 0.5f;
float LODDistance = EditorGUI.FloatField(new Rect(
rect.position.x,
rect.position.y,
HalfWidth,
rect.height
), (index + 1) + ". Distance:", GNS.LODDistances[index].x);
float LODPercentage = EditorGUI.Slider(new Rect(
rect.position.x + (HalfWidth + 16f),
rect.position.y,
HalfWidth - 16f,
rect.height
), "Detail:", GNS.LODDistances[index].y, 0f, 100f);
GNS.LODDistances[index] = new Vector2(LODDistance, LODPercentage);
}, false);
}
public void InitializeObjectPatch(GrassNStuff Manager, Vector3 ParentPosition, Vector2 PatchSize, GNS_BulkMesh[][] Meshes, Material[] LayerMaterials, UnityEngine.Rendering.ShadowCastingMode Shadows)
{
this.Manager = Manager;
LayerPatches = new GNS_Object[Meshes.Length];
CrossFaders = new IEnumerator[Meshes[0].Length];
for (int x = 0; x < Meshes.Length; x++)
{
LayerPatches [x] = new GNS_Object(RelativePosition, ParentPosition, PatchSize, Meshes[x], LayerMaterials[x], Shadows, (int)Manager.PaintResolution);
}
}
public GNS_BulkMesh[] Meshes(GrassNStuff Manager)
{
if (Manager.LODDistances.Count > 0)
{
GNS_BulkMesh[] Meshes = new GNS_BulkMesh[Manager.LODDistances.Count];
for (int i = 0; i < Manager.LODDistances.Count; i++)
{
Meshes [i] = new GNS_BulkMesh();
Meshes [i].InitializeBulkMesh(_LODModels, _LODMeshesPercentiles,
(int)(GNS.GrassNStuff.MaxMeshVertexCount * (Manager.LODDistances[i].y / 100f) * _Density) // calculate max vertex count (Max vertex * LOD percentile * Density)
, i, new Vector3(Manager.PatchRounded.x, Mathf.Max(Manager.PatchRounded.x, Manager.PatchRounded.y), Manager.PatchRounded.y));
}
return(Meshes);
}
return(new GNS_BulkMesh[0]);
}
public void PaintLayer(GrassNStuff Manager, GNS_Layer Layer, Vector2 Point, Vector2 Bounds, bool Visible, Texture2D BrushTexture = null)
{
if (BrushTexture == null) // if null
{
BrushTexture = new Texture2D(1, 1);
BrushTexture.SetPixel(0, 0, Color.white);
BrushTexture.Apply();
}
int TargetStrength = (Visible) ? 1 : 0; // get target strength
if (PaintBuffer == null)
{
PaintBuffer = CreateTempBuffer(PaintResolution);
}
RenderTexture TempBuffer = CreateTempBuffer(PaintResolution); // check if layer is null
// Set kernel settings
Manager.SetKernelSettings(Layer);
Material Kernel = Manager.GNSKernel;
Kernel.SetTexture("_PaintTexture", PaintBuffer); // set texture paint buffer
Kernel.SetVector("_PaintMin", new Vector4(Point.x, Point.y, 0, 0)); // set min
Kernel.SetVector("_PaintArea", new Vector4(Bounds.x, Bounds.y, 0, 0)); // set max
Kernel.SetTexture("_PaintBrush", BrushTexture);
Kernel.SetFloat("_PaintTarget", TargetStrength);
Kernel.SetVector("_CurrentPatchMin", (CachePosition - Manager.Terrain.transform.position) - MinOffset);
Graphics.Blit(null, TempBuffer, Manager.GNSKernel, 5); // Update paint buffer
if (PaintBuffer != null)
{
PaintBuffer.Release();
}
PaintBuffer = TempBuffer;
UpdateBlocks(); // update materials
}
public override void OnInspectorGUI()
{
// Base Data
GrassNStuff GNS = (GrassNStuff)target;
// Terrain settings
EditorGUILayout.Space();
EditorGUILayout.LabelField("Global Settings", EditorStyles.boldLabel);
GNS.Terrain = (Terrain)EditorGUILayout.ObjectField(new GUIContent("Terrain"), GNS.Terrain, typeof(Terrain), true);
GNS.Camera = (Camera)EditorGUILayout.ObjectField(new GUIContent("Camera"), GNS.Camera, typeof(Camera), true);
// Layer settings
EditorGUILayout.Space();
EditorGUILayout.LabelField("Layer Settings", EditorStyles.boldLabel);
this.RenderListAt(0);
// Performance Settings
EditorGUILayout.Space();
EditorGUILayout.LabelField("Performance Settings", EditorStyles.boldLabel);
EditorGUI.BeginChangeCheck();
GNS.PatchSize = EditorGUILayout.Slider(new GUIContent("Patch Size"), GNS.PatchSize, 1f, 200f);
GNS.TransformResolution = (GrassNStuff.TextureResolution)EditorGUILayout.EnumPopup(new GUIContent("Transform Resolution", "The resolution for the textures that store the grass transform data"), GNS.TransformResolution);
GNS.PaintResolution = (GrassNStuff.PatchResolution)EditorGUILayout.EnumPopup(new GUIContent("Paint Resolution", "The resolution for the textures that store the visibility information for the layers"), GNS.PaintResolution);
GNS.Shadows = (UnityEngine.Rendering.ShadowCastingMode)EditorGUILayout.EnumPopup(new GUIContent("Shadows"), GNS.Shadows);
if (EditorGUI.EndChangeCheck()) // check if Patch values have changed
{
GNS.NotifyPatchesChanged();
}
EditorGUI.BeginChangeCheck();
GNS.LODFadeDistance = EditorGUILayout.Slider(new GUIContent("LOD Fade Distance"), GNS.LODFadeDistance, 0f, 200f);
if (EditorGUI.EndChangeCheck())
{
GNS.UpdateMaterialBuffers();
}
GNS.CrossFade = EditorGUILayout.Toggle(new GUIContent("Cross Fade"), GNS.CrossFade);
GNS.CrossFadeDuration = EditorGUILayout.Slider(new GUIContent("Cross Fade Duration"), GNS.CrossFadeDuration, 0f, 5f);
// Render lod list
EditorGUILayout.Space();
this.RenderListAt(1);
// Editor Settings
EditorGUILayout.Space();
EditorGUILayout.LabelField("Wind Settings", EditorStyles.boldLabel);
EditorGUI.BeginChangeCheck();
GNS.WindQuality = (GrassNStuff.TextureResolution)EditorGUILayout.EnumPopup(new GUIContent("Wind Resolution", "The resolution for the textures that store the wind offset data"), GNS.WindQuality);
GNS.WindSpeed = EditorGUILayout.Slider(new GUIContent("Wind Speed"), GNS.WindSpeed, 0f, 15f);
GNS.WindStrength = EditorGUILayout.Slider(new GUIContent("Wind Strength"), GNS.WindStrength, 0f, 5f);
if (EditorGUI.EndChangeCheck())
{
GNS.UpdateWindValues();
}
EditorGUI.BeginChangeCheck();
GNS.WindNoiseFrequency = EditorGUILayout.Slider(new GUIContent("Wind Noise Frequency"), GNS.WindNoiseFrequency, 0f, 2000f);
GNS.WindNoiseAmplitude = EditorGUILayout.Slider(new GUIContent("Wind Noise Amplitude"), GNS.WindNoiseAmplitude, 0f, 10f);
if (EditorGUI.EndChangeCheck())
{
GNS.RegenerateWindTexture();
}
// Editor Settings
EditorGUILayout.Space();
EditorGUILayout.LabelField("Editor Settings", EditorStyles.boldLabel);
GNS.GridColor = EditorGUILayout.ColorField(new GUIContent("Grid Color"), GNS.GridColor);
GNS.Debug = EditorGUILayout.Toggle(new GUIContent("Debug"), GNS.Debug);
// Value display
EditorGUILayout.Space();
EditorGUILayout.LabelField("Details", EditorStyles.boldLabel);
// Total patch count
if (GNS.TotalPatchCount > GrassNStuff.MaxEditorGridCount)
{
EditorGUILayout.HelpBox("There are to much patches to render. Max render patch count: " + GrassNStuff.MaxEditorGridCount, MessageType.Warning);
}
EditorGUILayout.LabelField("Total Patch Count: " + GNS.TotalPatchCount, EditorStyles.helpBox);
EditorGUILayout.LabelField("Max Patch Render Count: " + GNS.MaxPatchRenderCount, EditorStyles.helpBox);
EditorGUILayout.LabelField("Estimated Drawcalls: " + GNS.EstimatedDrawCalls, EditorStyles.helpBox);
EditorUtility.SetDirty(GNS); // set dirty
}
public void UpdateVisibility(GrassNStuff Manager)
{
}
public GNS_ObjectRenderer(GrassNStuff Manager, GNS_Data RenderData) : base(Manager, RenderData)
{
}
public GNS_Renderer(GrassNStuff Manager, GNS_Data RenderData)
{
this.Manager = Manager;
this.RenderData = RenderData;
}
