private void StampLayer(GStylizedTerrain t, RenderTexture brush, int layerIndex)
{
GFoliageStampLayer layer = Layers[layerIndex];
if (layer.Ignore)
{
return;
}
if (layer.TreeInstanceCount == 0)
{
return;
}
Texture2D tex = new Texture2D(brush.width, brush.height, TextureFormat.ARGB32, false, true);
GCommon.CopyFromRT(tex, brush);
Color[] maskData = tex.GetPixels();
if (layer.StampTrees &&
layer.TreeIndices.Count >= 0 &&
t.TerrainData.Foliage.Trees != null)
{
SpawnTreeOnTerrain(t, maskData, layerIndex);
}
if (layer.StampGrasses &&
layer.GrassIndices.Count >= 0 &&
t.TerrainData.Foliage.Grasses != null)
{
SpawnGrassOnTerrain(t, maskData, layerIndex);
}
}
private void ConfirmAndRemoveLayerAt(int index)
{
GFoliageStampLayer layer = instance.Layers[index];
string layerName = string.IsNullOrEmpty(layer.Name) ? ("Layer " + index) : ("Layer " + layer.Name);
if (EditorUtility.DisplayDialog(
"Confirm",
"Remove " + layerName + "?",
"Yes", "Cancel"))
{
instance.Layers.RemoveAt(index);
}
}
public static GFoliageStampLayer Create()
{
GFoliageStampLayer layer = new GFoliageStampLayer();
layer.VisualizeColor = GGriffinSettings.Instance.StampToolSettings.VisualizeColor;
layer.StampTrees = true;
layer.TreeIndices = null;
layer.StampGrasses = false;
layer.GrassIndices = null;
layer.TreeInstanceCount = 1000;
layer.MinRotation = GGriffinSettings.Instance.StampToolSettings.MinRotation;
layer.MaxRotation = GGriffinSettings.Instance.StampToolSettings.MaxRotation;
layer.MinScale = GGriffinSettings.Instance.StampToolSettings.MinScale;
layer.MaxScale = GGriffinSettings.Instance.StampToolSettings.MaxScale;
layer.UpdateCurveTextures();
return(layer);
}
public static GFoliageStampLayer Create()
{
GFoliageStampLayer layer = new GFoliageStampLayer();
layer.StampTrees = true;
layer.TreeIndices = null;
layer.StampGrasses = false;
layer.GrassIndices = null;
layer.TreeInstanceCount = 1000;
#if UNITY_EDITOR
layer.VisualizeColor = GEditorSettings.Instance.stampTools.visualizeColor;
layer.MinRotation = GEditorSettings.Instance.stampTools.minRotation;
layer.MaxRotation = GEditorSettings.Instance.stampTools.maxRotation;
layer.MinScale = GEditorSettings.Instance.stampTools.minScale;
layer.MaxScale = GEditorSettings.Instance.stampTools.maxScale;
#endif
layer.UpdateCurveTextures();
return(layer);
}
private void DrawStampLayersGUI()
{
string label = "Layers";
string id = "layers" + instance.GetInstanceID().ToString();
GEditorCommon.Foldout(label, true, id, () =>
{
List <GFoliageStampLayer> layers = instance.Layers;
for (int i = 0; i < layers.Count; ++i)
{
DrawLayer(layers[i], i);
GEditorCommon.Separator();
}
Rect r = EditorGUILayout.GetControlRect();
if (GUI.Button(r, "Add Layer"))
{
GFoliageStampLayer layer = GFoliageStampLayer.Create();
layers.Add(layer);
}
});
}
private void DrawLayer(GFoliageStampLayer layer, int index)
{
string label = string.Format("Layer: {0} {1}",
!string.IsNullOrEmpty(layer.Name) ? layer.Name : index.ToString(),
layer.Ignore ? "[Ignored]" : string.Empty);
string id = "stamperlayer" + index + instance.GetInstanceID().ToString();
string prefKey = GEditorCommon.GetProjectRelatedEditorPrefsKey("foldout", id);
bool expanded = EditorPrefs.GetBool(prefKey, true);
Rect headerRect = EditorGUILayout.BeginHorizontal();
expanded = EditorGUILayout.Foldout(expanded, label);
EditorPrefs.SetBool(prefKey, expanded);
GUILayout.FlexibleSpace();
Rect deleteButtonRect = EditorGUILayout.GetControlRect(GUILayout.Width(15));
if (headerRect.Contains(Event.current.mousePosition))
{
if (GUI.Button(deleteButtonRect, "X", EditorStyles.label))
{
ConfirmAndRemoveLayerAt(index);
}
}
EditorGUILayout.EndHorizontal();
if (expanded)
{
EditorGUI.indentLevel += 1;
layer.Ignore = EditorGUILayout.Toggle("Ignore", layer.Ignore);
layer.Name = EditorGUILayout.TextField("Name", layer.Name);
layer.VisualizeColor = EditorGUILayout.ColorField("Visualize Color", layer.VisualizeColor);
layer.MinRotation = EditorGUILayout.FloatField("Min Rotation", layer.MinRotation);
layer.MaxRotation = EditorGUILayout.FloatField("Max Rotation", layer.MaxRotation);
layer.MinScale = GEditorCommon.InlineVector3Field("Min Scale", layer.MinScale);
layer.MaxScale = GEditorCommon.InlineVector3Field("Max Scale", layer.MaxScale);
layer.StampTrees = EditorGUILayout.Toggle("Stamp Trees", layer.StampTrees);
if (layer.StampTrees)
{
EditorGUI.indentLevel += 1;
layer.TreeIndices = GEditorCommon.TreeSetMultiSelectionGrid(instance.GroupId, layer.TreeIndices);
layer.TreeInstanceCount = EditorGUILayout.IntField("Instance Count", layer.TreeInstanceCount);
EditorGUI.indentLevel -= 1;
}
layer.StampGrasses = EditorGUILayout.Toggle("Stamp Grasses", layer.StampGrasses);
if (layer.StampGrasses)
{
EditorGUI.indentLevel += 1;
layer.GrassIndices = GEditorCommon.GrassSetMultiSelectionGrid(instance.GroupId, layer.GrassIndices);
layer.GrassInstanceCount = EditorGUILayout.IntField("Instance Count", layer.GrassInstanceCount);
EditorGUI.indentLevel -= 1;
}
layer.BlendHeight = EditorGUILayout.Toggle("Blend Height", layer.BlendHeight);
if (layer.BlendHeight)
{
EditorGUI.indentLevel += 1;
layer.MinHeight = EditorGUILayout.FloatField("Min", layer.MinHeight);
layer.MaxHeight = EditorGUILayout.FloatField("Max", layer.MaxHeight);
EditorGUI.BeginChangeCheck();
layer.HeightTransition = EditorGUILayout.CurveField("Transition", layer.HeightTransition, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
layer.BlendSlope = EditorGUILayout.Toggle("Blend Slope", layer.BlendSlope);
if (layer.BlendSlope)
{
EditorGUI.indentLevel += 1;
layer.NormalMapMode = (GNormalMapMode)EditorGUILayout.EnumPopup("Mode", layer.NormalMapMode);
layer.MinSlope = EditorGUILayout.FloatField("Min", layer.MinSlope);
layer.MaxSlope = EditorGUILayout.FloatField("Max", layer.MaxSlope);
EditorGUI.BeginChangeCheck();
layer.SlopeTransition = EditorGUILayout.CurveField("Transition", layer.SlopeTransition, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
layer.BlendNoise = EditorGUILayout.Toggle("Blend Noise", layer.BlendNoise);
if (layer.BlendNoise)
{
EditorGUI.indentLevel += 1;
layer.NoiseOrigin = GEditorCommon.InlineVector2Field("Origin", layer.NoiseOrigin);
layer.NoiseFrequency = EditorGUILayout.FloatField("Frequency", layer.NoiseFrequency);
layer.NoiseLacunarity = EditorGUILayout.FloatField("Lacunarity", layer.NoiseLacunarity);
layer.NoisePersistence = EditorGUILayout.Slider("Persistence", layer.NoisePersistence, 0.01f, 1f);
layer.NoiseOctaves = EditorGUILayout.IntSlider("Octaves", layer.NoiseOctaves, 1, 4);
EditorGUI.BeginChangeCheck();
layer.NoiseRemap = EditorGUILayout.CurveField("Remap", layer.NoiseRemap, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
EditorGUI.indentLevel -= 1;
}
}
private void SpawnGrassOnTerrain(GStylizedTerrain t, Color[] maskData, int layerIndex)
{
GFoliageStampLayer layer = Layers[layerIndex];
Vector3 centerPos = Vector3.zero;
Vector3 samplePos = Vector3.zero;
Vector2 uv = Vector2.zero;
float maskValue = 0;
Vector3 terrainSize = new Vector3(
t.TerrainData.Geometry.Width,
t.TerrainData.Geometry.Height,
t.TerrainData.Geometry.Length);
Vector3 scale = new Vector3(
GUtilities.InverseLerpUnclamped(0, terrainSize.x, Scale.x),
1,
GUtilities.InverseLerpUnclamped(0, terrainSize.z, Scale.z));
Matrix4x4 matrix = Matrix4x4.TRS(
t.WorldPointToNormalized(Position),
Rotation,
scale);
int grassIndex = -1;
int instanceCount = 0;
int attempt = 0;
int maxAttempt = layer.GrassInstanceCount * 100;
List <GGrassInstance> grasses = new List <GGrassInstance>();
#if UNITY_EDITOR
string title = "Stamping on " + t.name;
string info = string.Format("Layer: {0}", !string.IsNullOrEmpty(layer.Name) ? layer.Name : layerIndex.ToString());
int currentPercent = 0;
int attemptPercent = 0;
int instancePercent = 0;
GCommonGUI.CancelableProgressBar(title, info, 0);
#endif
while (instanceCount < layer.GrassInstanceCount && attempt <= maxAttempt)
{
attempt += 1;
#if UNITY_EDITOR
attemptPercent = (int)(attempt * 100.0f / maxAttempt);
instancePercent = (int)(instanceCount * 100.0f / layer.GrassInstanceCount);
if (currentPercent != Mathf.Max(attemptPercent, instancePercent))
{
currentPercent = Mathf.Max(attemptPercent, instancePercent);
GCommonGUI.CancelableProgressBar(title, string.Format("{0} ... {1}%", info, currentPercent), currentPercent / 100.0f);
}
#endif
grassIndex = layer.GrassIndices[Random.Range(0, layer.GrassIndices.Count)];
centerPos.Set(Random.value - 0.5f, 0, Random.value - 0.5f);
samplePos = matrix.MultiplyPoint(centerPos);
if (samplePos.x < 0 || samplePos.x > 1 ||
samplePos.z < 0 || samplePos.z > 1)
{
continue;
}
uv.Set(samplePos.x, samplePos.z);
maskValue = GUtilities.GetColorBilinear(maskData, MaskResolution, MaskResolution, uv).r;
if (Random.value > maskValue)
{
continue;
}
GGrassInstance grass = GGrassInstance.Create(grassIndex);
grass.Position = new Vector3(samplePos.x, 0, samplePos.z);
grass.Rotation = Quaternion.Euler(0, Random.Range(layer.MinRotation, layer.MaxRotation), 0);
grass.Scale = Vector3.Lerp(layer.MinScale, layer.MaxScale, Random.value);
grasses.Add(grass);
instanceCount += 1;
}
t.TerrainData.Foliage.AddGrassInstances(grasses);
#if UNITY_EDITOR
GCommonGUI.ClearProgressBar();
#endif
}
private void DrawLayer(GFoliageStampLayer layer, int index)
{
string label = string.Format("Layer: {0} {1}",
!string.IsNullOrEmpty(layer.Name) ? layer.Name : index.ToString(),
layer.Ignore ? "[Ignored]" : string.Empty);
string id = "stamperlayer" + index + instance.GetInstanceID().ToString();
GenericMenu menu = new GenericMenu();
menu.AddItem(
new GUIContent("Remove"),
false,
() =>
{
ConfirmAndRemoveLayerAt(index);
});
GEditorCommon.Foldout(label, false, id, () =>
{
EditorGUI.indentLevel -= 1;
layer.Ignore = EditorGUILayout.Toggle("Ignore", layer.Ignore);
layer.Name = EditorGUILayout.TextField("Name", layer.Name);
layer.VisualizeColor = EditorGUILayout.ColorField("Visualize Color", layer.VisualizeColor);
layer.MinRotation = EditorGUILayout.FloatField("Min Rotation", layer.MinRotation);
layer.MaxRotation = EditorGUILayout.FloatField("Max Rotation", layer.MaxRotation);
layer.MinScale = GEditorCommon.InlineVector3Field("Min Scale", layer.MinScale);
layer.MaxScale = GEditorCommon.InlineVector3Field("Max Scale", layer.MaxScale);
layer.StampTrees = EditorGUILayout.Toggle("Stamp Trees", layer.StampTrees);
if (layer.StampTrees)
{
EditorGUI.indentLevel += 1;
layer.TreeIndices = GEditorCommon.TreeSetMultiSelectionGrid(instance.GroupId, layer.TreeIndices);
layer.TreeInstanceCount = EditorGUILayout.IntField("Instance Count Per Terrain", layer.TreeInstanceCount);
EditorGUI.indentLevel -= 1;
}
layer.StampGrasses = EditorGUILayout.Toggle("Stamp Grasses", layer.StampGrasses);
if (layer.StampGrasses)
{
EditorGUI.indentLevel += 1;
layer.GrassIndices = GEditorCommon.GrassSetMultiSelectionGrid(instance.GroupId, layer.GrassIndices);
layer.GrassInstanceCount = EditorGUILayout.IntField("Instance Count Per Terrain", layer.GrassInstanceCount);
EditorGUI.indentLevel -= 1;
}
layer.BlendHeight = EditorGUILayout.Toggle("Blend Height", layer.BlendHeight);
if (layer.BlendHeight)
{
EditorGUI.indentLevel += 1;
layer.MinHeight = EditorGUILayout.FloatField("Min", layer.MinHeight);
layer.MaxHeight = EditorGUILayout.FloatField("Max", layer.MaxHeight);
EditorGUI.BeginChangeCheck();
layer.HeightTransition = EditorGUILayout.CurveField("Transition", layer.HeightTransition, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
layer.BlendSlope = EditorGUILayout.Toggle("Blend Slope", layer.BlendSlope);
if (layer.BlendSlope)
{
EditorGUI.indentLevel += 1;
layer.NormalMapMode = (GNormalMapMode)EditorGUILayout.EnumPopup("Mode", layer.NormalMapMode);
layer.MinSlope = EditorGUILayout.FloatField("Min", layer.MinSlope);
layer.MaxSlope = EditorGUILayout.FloatField("Max", layer.MaxSlope);
EditorGUI.BeginChangeCheck();
layer.SlopeTransition = EditorGUILayout.CurveField("Transition", layer.SlopeTransition, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
layer.BlendNoise = EditorGUILayout.Toggle("Blend Noise", layer.BlendNoise);
if (layer.BlendNoise)
{
EditorGUI.indentLevel += 1;
layer.NoiseOrigin = GEditorCommon.InlineVector2Field("Origin", layer.NoiseOrigin);
layer.NoiseFrequency = EditorGUILayout.FloatField("Frequency", layer.NoiseFrequency);
layer.NoiseLacunarity = EditorGUILayout.FloatField("Lacunarity", layer.NoiseLacunarity);
layer.NoisePersistence = EditorGUILayout.Slider("Persistence", layer.NoisePersistence, 0.01f, 1f);
layer.NoiseOctaves = EditorGUILayout.IntSlider("Octaves", layer.NoiseOctaves, 1, 4);
EditorGUI.BeginChangeCheck();
layer.NoiseRemap = EditorGUILayout.CurveField("Remap", layer.NoiseRemap, Color.red, new Rect(0, 0, 1, 1));
if (EditorGUI.EndChangeCheck())
{
layer.UpdateCurveTextures();
}
EditorGUI.indentLevel -= 1;
}
EditorGUI.indentLevel += 1;
},
menu);
}