394 lines
19 KiB
C#
394 lines
19 KiB
C#
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using UnityEngine;
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namespace UnityEditor.TerrainTools
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{
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/// <summary>
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/// Flags passed to NoiseSettingsGUI.OnGUI. Used to specify which portions of the Noise Settings GUI to draw.
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/// </summary>
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[System.Flags]
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internal enum NoiseSettingsGUIFlags
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{
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Preview = (1 << 0),
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Settings = (1 << 1),
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All = ( ~0 ),
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}
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/// <summary>
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/// Class used to draw the GUI for Noise Settings.
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/// </summary>
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internal class NoiseSettingsGUI
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{
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/// <summary>
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/// The SerializedObject for the NoiseSettings that this NoiseSettingsGUI instance is currently rendering the GUI for.
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/// </summary>
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public SerializedObject serializedNoise;
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public bool isScrollingPreview { get; private set; }
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// noise settings properties
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// noise settings properties
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// noise settings properties
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// coord space settings properties
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private SerializedProperty transformSettings;
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private SerializedProperty translation;
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private SerializedProperty rotation;
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private SerializedProperty scale;
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private SerializedProperty flipScaleX;
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private SerializedProperty flipScaleY;
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private SerializedProperty flipScaleZ;
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// domain settings properties
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private SerializedProperty domainSettings;
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private SerializedProperty noiseTypeName;
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private SerializedProperty noiseTypeParams;
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private SerializedProperty fractalTypeName;
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private SerializedProperty fractalTypeParams;
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// filter stack settings
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// private SerializedProperty filterSettings;
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// private FilterStackView m_filterStackView;
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// private FilterStack m_filterStack;
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// private SerializedObject m_serializedFilterStack;
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// private bool m_showFilterStack;
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/// <summary>
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/// The current NoiseSettings object that is associated with this instance of NoiseSettingsGUI.
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/// </summary>
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public NoiseSettings target = null;
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/// <summary>
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/// Sets up this instance of NoiseSettingsGUI with the specified NoiseSettings object.
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/// GUI will be drawn for this NoiseSettings instance.
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/// </summary>
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/// <param name="noiseSettings"> The NoiseSettings instance for which GUI will be drawn </param>
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public void Init(NoiseSettings noiseSettings)
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{
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Init(new SerializedObject(noiseSettings));
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}
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/// <summary>
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/// Sets up this instance of NoiseSettingsGUI with the specified SerializedObject containing an object reference
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/// to a NoiseSettings instance. GUI will be drawn for this serialized NoiseSettings instance.
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/// </summary>
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/// <param name="serializedNoise"> A SerializedObject instance containing an object reference to a NoiseSettings object </param>
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public void Init(SerializedObject serializedNoise)
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{
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this.serializedNoise = serializedNoise;
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target = this.serializedNoise.targetObject as NoiseSettings;
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// transform settings
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transformSettings = this.serializedNoise.FindProperty("transformSettings");
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translation = transformSettings.FindPropertyRelative("translation");
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rotation = transformSettings.FindPropertyRelative("rotation");
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scale = transformSettings.FindPropertyRelative("scale");
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flipScaleX = transformSettings.FindPropertyRelative("flipScaleX");
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flipScaleY = transformSettings.FindPropertyRelative("flipScaleY");
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flipScaleZ = transformSettings.FindPropertyRelative("flipScaleZ");
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// domain settings
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domainSettings = this.serializedNoise.FindProperty("domainSettings");
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noiseTypeName = domainSettings.FindPropertyRelative("noiseTypeName");
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noiseTypeParams = domainSettings.FindPropertyRelative("noiseTypeParams");
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fractalTypeName = domainSettings.FindPropertyRelative("fractalTypeName");
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fractalTypeParams = domainSettings.FindPropertyRelative("fractalTypeParams");
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// filter settings
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// filterSettings = serializedNoise.FindProperty( "filterSettings" );
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// m_filterStack = filterSettings.FindPropertyRelative( "filterStack" ).objectReferenceValue as FilterStack;
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// m_serializedFilterStack = new SerializedObject( m_filterStack );
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// m_filterStackView = new FilterStackView( new GUIContent( "Filters" ), m_serializedFilterStack, m_serializedFilterStack.targetObject as FilterStack );
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}
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/// <summary>
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/// Renders the GUI for the NoiseSettings instance associated with this NoiseSettingsGUI instance.
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/// </summary>
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/// <param name="flags"> Flags specifying which portions of the GUI to draw </param>
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public void OnGUI(NoiseSettingsGUIFlags flags = NoiseSettingsGUIFlags.All)
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{
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serializedNoise.Update();
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if((flags & NoiseSettingsGUIFlags.Preview) != 0)
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{
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DrawPreviewTexture(256f, true);
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}
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if((flags & NoiseSettingsGUIFlags.Settings) != 0)
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{
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TerrainToolGUIHelper.DrawFoldout(transformSettings, Styles.transformSettings, TransformSettingsGUI);
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TerrainToolGUIHelper.DrawFoldout(domainSettings, Styles.domainSettings, DomainSettingsGUI);
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// TerrainToolGUIHelper.DrawFoldout(filterSettings, Styles.filterSettings, FilterSettingsGUI);
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}
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serializedNoise.ApplyModifiedProperties();
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}
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bool CheckVector3(System.Func<float, bool> validator, Vector3 value)
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{
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return validator(value.x) || validator(value.y) || validator(value.z);
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}
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private void TransformSettingsGUI()
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{
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Vector3 tv3 = translation.vector3Value;
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Vector3 rv3 = rotation.vector3Value;
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Vector3 sv3 = scale.vector3Value;
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tv3 = EditorGUILayout.Vector3Field(translation.displayName, tv3);
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rv3 = EditorGUILayout.Vector3Field(rotation.displayName, rv3);
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sv3 = EditorGUILayout.Vector3Field(scale.displayName, sv3);
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EditorGUILayout.BeginHorizontal();
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{
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EditorGUILayout.PrefixLabel(Styles.flipScale);
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flipScaleX.boolValue = GUILayout.Toggle(flipScaleX.boolValue, Styles.flipScaleX, GUI.skin.button);
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flipScaleY.boolValue = GUILayout.Toggle(flipScaleY.boolValue, Styles.flipScaleY, GUI.skin.button);
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flipScaleZ.boolValue = GUILayout.Toggle(flipScaleZ.boolValue, Styles.flipScaleZ, GUI.skin.button);
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}
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EditorGUILayout.EndHorizontal();
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// fix up transform values
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// translation
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if (!CheckVector3(float.IsNaN, tv3) && !CheckVector3(float.IsInfinity, tv3))
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{
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translation.vector3Value = tv3;
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GUI.changed = true;
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}
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// rotation
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if (!CheckVector3(float.IsNaN, rv3) && !CheckVector3(float.IsInfinity, rv3))
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{
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rotation.vector3Value = rv3;
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GUI.changed = true;
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}
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// wrap rotation values
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if (rotation.vector3Value.x < 0 || rotation.vector3Value.x > 360 ||
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rotation.vector3Value.y < 0 || rotation.vector3Value.y > 360 ||
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rotation.vector3Value.z < 0 || rotation.vector3Value.z > 360)
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{
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Vector3 value = rotation.vector3Value;
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value.x = (360f + (value.x % 360f)) % 360f;
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value.y = (360f + (value.y % 360f)) % 360f;
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value.z = (360f + (value.z % 360f)) % 360f;
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rotation.vector3Value = value;
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GUI.changed = true;
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}
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// scale
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if (!CheckVector3(float.IsNaN, sv3) && !CheckVector3(float.IsInfinity, sv3))
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{
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scale.vector3Value = sv3;
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GUI.changed = true;
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}
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}
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private void DomainSettingsGUI()
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{
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noiseTypeName.stringValue = NoiseLib.NoiseTypePopup(Styles.noiseType, noiseTypeName.stringValue);
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INoiseType noiseType = NoiseLib.GetNoiseTypeInstance(noiseTypeName.stringValue);
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noiseTypeParams.stringValue = noiseType?.DoGUI(noiseTypeParams.stringValue);
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fractalTypeName.stringValue = NoiseLib.FractalTypePopup(Styles.fractalType, fractalTypeName.stringValue);
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IFractalType fractalType = NoiseLib.GetFractalTypeInstance(fractalTypeName.stringValue);
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fractalTypeParams.stringValue = fractalType?.DoGUI(fractalTypeParams.stringValue);
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}
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private void DoMinMaxSliderInt(GUIContent label, SerializedProperty prop, SerializedProperty minMaxProp)
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{
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int min = minMaxProp.vector2IntValue.x;
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int max = minMaxProp.vector2IntValue.y;
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prop.intValue = TerrainToolGUIHelper.MinMaxSliderInt(label, prop.intValue, ref min, ref max);
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minMaxProp.vector2IntValue = new Vector2Int(min, max);
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}
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private void DoMinMaxSlider(GUIContent label, SerializedProperty prop, SerializedProperty minMaxProp)
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{
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float min = minMaxProp.vector2Value.x;
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float max = minMaxProp.vector2Value.y;
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prop.floatValue = TerrainToolGUIHelper.MinMaxSlider(label, prop.floatValue, ref min, ref max);
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minMaxProp.vector2Value = new Vector2(min, max);
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}
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// private void FilterSettingsGUI()
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// {
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// m_filterStackView.OnGUI();
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// }
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private void HandlePreviewTextureInput(Rect previewRect, bool scrollLocked)
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{
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if(GUIUtility.hotControl != 0)
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{
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return;
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}
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Vector3 t = translation.vector3Value;
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Vector3 r = rotation.vector3Value;
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Vector3 s = scale.vector3Value;
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EventType eventType = Event.current.type;
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bool draggingPreview = Event.current.button == 0 &&
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(eventType == EventType.MouseDown ||
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eventType == EventType.MouseDrag);
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Vector2 previewDims = new Vector2(previewRect.width, previewRect.height);
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Vector2 abs = new Vector2(Mathf.Abs(s.x), Mathf.Abs(s.z));
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isScrollingPreview = false;
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if (!scrollLocked && Event.current.type == EventType.ScrollWheel)
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{
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abs += Vector2.one * .001f;
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float scroll = Event.current.delta.y;
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s.x += abs.x * scroll * .05f;
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s.z += abs.y * scroll * .05f;
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scale.vector3Value = s;
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Event.current.Use();
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isScrollingPreview = true;
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}
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else if (draggingPreview)
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{
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// change noise offset panning icon
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Vector2 sign = new Vector2(-Mathf.Sign(s.x), Mathf.Sign(s.z));
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Vector2 delta = Event.current.delta / previewDims * abs * sign;
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Vector3 d3 = new Vector3(delta.x, 0, delta.y);
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d3 = Quaternion.Euler( r ) * d3;
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t += d3;
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translation.vector3Value = t;
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Event.current.Use();
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}
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}
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/// <summary>
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/// Renders an interactive Noise Preview along with tooltip icons and an optional Export button that opens a new ExportNoiseWindow.
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/// A background image is also rendered behind the preview that takes up the entire width of the EditorWindow currently being drawn.
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/// </summary>
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/// <param name = "minSize"> Minimum size for the Preview </param>
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/// <param name = "showExportButton"> Whether or not to render the Export button </param>
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public void DrawPreviewTexture(float minSize, bool showExportButton = true, bool scrollLocked = false)
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{
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// Draw label with tooltip
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GUILayout.Label( Styles.noisePreview );
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float padding = 4f;
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float iconWidth = 40f;
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int size = (int)Mathf.Min(minSize, EditorGUIUtility.currentViewWidth);
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Rect totalRect = GUILayoutUtility.GetRect(EditorGUIUtility.currentViewWidth, size + padding * 2); // extra pixels for highlight border
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Color prev = GUI.color;
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GUI.color = new Color(.15f, .15f, .15f, 1f);
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GUI.DrawTexture(totalRect, Texture2D.whiteTexture, ScaleMode.StretchToFill, false);
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GUI.color = Color.white;
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// draw info icon
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// if(totalRect.Contains(Event.current.mousePosition))
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{
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Rect infoIconRect = new Rect( totalRect.x + padding, totalRect.y + padding, iconWidth, iconWidth );
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GUI.Label( infoIconRect, Styles.infoIcon );
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// GUI.Label( infoIconRect, Styles.noiseTooltip );
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}
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// draw export button
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float buttonWidth = GUI.skin.button.CalcSize(Styles.export).x;
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float buttonHeight = EditorGUIUtility.singleLineHeight;
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Rect exportRect = new Rect( totalRect.xMax - buttonWidth - padding, totalRect.yMax - buttonHeight - padding, buttonWidth, buttonHeight );
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if(GUI.Button(exportRect, Styles.export))
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{
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serializedNoise.ApplyModifiedProperties();
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serializedNoise.Update();
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ExportNoiseWindow.ShowWindow( serializedNoise.targetObject as NoiseSettings );
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}
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float safeSpace = Mathf.Max( iconWidth * 2, buttonWidth * 2 ) + padding * 4;
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float minWidth = Mathf.Min( size, totalRect.width - safeSpace );
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Rect previewRect = new Rect(totalRect.x + totalRect.width / 2 - minWidth / 2, totalRect.y + totalRect.height / 2 - minWidth / 2, minWidth, minWidth);
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EditorGUIUtility.AddCursorRect(previewRect, MouseCursor.Pan);
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if (previewRect.Contains(Event.current.mousePosition))
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{
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serializedNoise.Update();
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HandlePreviewTextureInput(previewRect, scrollLocked);
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serializedNoise.ApplyModifiedProperties();
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}
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if ( Event.current.type == EventType.Repaint )
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{
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RenderTexture prevActive = RenderTexture.active;
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// create preview RT here and keep until the next Repaint
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var previewRT = RenderTexture.GetTemporary(512, 512, 0, NoiseUtils.previewFormat);
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NoiseSettings noiseSettings = serializedNoise.targetObject as NoiseSettings;
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RenderTexture tempRT = RenderTexture.GetTemporary(512, 512, 0, NoiseUtils.singleChannelFormat);
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NoiseUtils.Blit2D(noiseSettings, tempRT);
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NoiseUtils.BlitPreview2D(tempRT, previewRT);
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RenderTexture.active = prevActive;
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GUI.DrawTexture(previewRect, previewRT, ScaleMode.ScaleToFit, false);
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RenderTexture.ReleaseTemporary(tempRT);
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RenderTexture.ReleaseTemporary(previewRT);
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}
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GUI.color = prev;
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}
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public static class Styles
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{
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public static GUIContent noiseSettings = EditorGUIUtility.TrTextContent("Noise Settings:");
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public static GUIContent randomize = EditorGUIUtility.TrTextContent("Randomize");
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public static GUIContent reset = EditorGUIUtility.TrTextContent("Reset");
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public static GUIContent flipScale = EditorGUIUtility.TrTextContent("Flip Scale", "Flips the scale of the Noise Domain Space");
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public static GUIContent flipScaleX = EditorGUIUtility.TrTextContent("X", "Flips the scale of the Noise Domain Space along the X-axis");
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public static GUIContent flipScaleY = EditorGUIUtility.TrTextContent("Y", "Flips the scale of the Noise Domain Space along the Y-axis");
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public static GUIContent flipScaleZ = EditorGUIUtility.TrTextContent("Z", "Flips the scale of the Noise Domain Space along the Z-axis");
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public static GUIContent noiseType = EditorGUIUtility.TrTextContent("Noise Type", "The type of Noise to be used");
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public static GUIContent fractalType = EditorGUIUtility.TrTextContent("Fractal Type", "The type of Fractal to be used when generating Noise");
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public static GUIContent noisePreview;
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public static GUIContent noiseTooltip = EditorGUIUtility.TrTextContent("",
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"Scroll Mouse Wheel:\nZooms the preview in and out and changes the noise scale\n\n" +
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"Left-mouse Drag:\nPans the noise field and changes the noise translation\n\n" +
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"Color Key:\nCyan = negative noise values\nGrayscale = values between 0 and 1\nBlack = values are 0\nRed = Values greater than 1. Used for debugging texture normalization");
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public static GUIContent seed = EditorGUIUtility.TrTextContent("Seed");
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public static GUIContent domainSettings = EditorGUIUtility.TrTextContent("Domain Settings", "Settings governing the Noise Domain. This is specific to each Noise Type and Fractal Type implementation");
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public static GUIContent transformSettings = EditorGUIUtility.TrTextContent("Transform Settings", "Settings governing the transformations applied to positions in the Noise Domain Space");
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// public static GUIContent filterSettings = EditorGUIUtility.TrTextContent("Filter Settings");
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public static GUIContent ridgePower = EditorGUIUtility.TrTextContent("Ridge Power");
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public static GUIContent billowPower = EditorGUIUtility.TrTextContent("Billow Power");
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public static GUIContent voronoiPower = EditorGUIUtility.TrTextContent("Voronoi Power");
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public static GUIContent power = EditorGUIUtility.TrTextContent("Power");
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public static GUIContent export = EditorGUIUtility.TrTextContent("Export", "Open a window providing options for exporting Noise to Textures");
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public static GUIContent infoIcon = new GUIContent("", EditorGUIUtility.FindTexture("console.infoicon"),
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"Scroll Mouse Wheel:\nZooms the preview in and out and changes the noise scale\n\n" +
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"Left-mouse Drag:\nPans the noise field and changes the noise translation\n\n" +
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"Color Key:\nCyan = negative noise values\nGrayscale = values between 0 and 1\nBlack = values are 0\nRed = Values greater than 1. Used for debugging texture normalization");
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static Styles()
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{
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noisePreview = EditorGUIUtility.TrTextContent("Noise Field Preview:");
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// ,
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// "Scroll Mouse Wheel:\nZooms the preview in and out and changes the noise scale\n\n" +
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// "Left-mouse Drag:\nPans the noise field and changes the noise translation\n\n" +
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// "Color Key:\nCyan = negative noise values\nGrayscale = values between 0 and 1\nBlack = values are 0\nRed = Values greater than 1. Used for debugging texture normalization");
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// noisePreview.image = infoIcon.image;
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}
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}
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}
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}
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