91 lines
3.4 KiB
C#
91 lines
3.4 KiB
C#
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#if UNITY_EDITOR
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using UnityEngine;
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using UnityEditor;
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using System;
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namespace GSpawn
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{
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public class ScatterBrushObjectSpawn : ObjectSpawnTool
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{
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[NonSerialized]
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private ScatterBrushObjectSpawnSettings _settings;
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[NonSerialized]
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private CircleBrush3D _circleBrush = new CircleBrush3D();
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[NonSerialized]
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private ScatterBrushObjectSpawner _spawner = new ScatterBrushObjectSpawner();
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[NonSerialized]
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private ObjectProjectionSettings _projectionSettings;
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[NonSerialized]
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private float _accumDragDistance;
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private ObjectProjectionSettings projectionSettings
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{
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get
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{
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if (_projectionSettings == null) _projectionSettings = CreateInstance<ObjectProjectionSettings>();
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return _projectionSettings;
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}
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}
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public ScatterBrushObjectSpawnSettings settings
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{
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get
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{
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if (_settings == null) _settings = AssetDbEx.loadScriptableObject<ScatterBrushObjectSpawnSettings>(PluginFolders.settings);
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return _settings;
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}
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}
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public override ObjectSpawnToolId spawnToolId { get { return ObjectSpawnToolId.ScatterBrush; } }
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public override bool requiresSpawnGuide { get { return false; } }
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protected override void doOnSceneGUI()
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{
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_circleBrush.surfaceLayers = settings.surfaceLayers;
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_circleBrush.allowGridSurface = settings.allowsGridSurface;
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_circleBrush.radius = settings.brushRadius;
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GameObjectType surfaceObjectTypes = GameObjectType.None;
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if (settings.allowsTerrainSurface) surfaceObjectTypes |= GameObjectType.Terrain;
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if (settings.allowsMeshSurface) surfaceObjectTypes |= GameObjectType.Mesh;
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_circleBrush.surfaceObjectTypes = surfaceObjectTypes;
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Event e = Event.current;
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if (e.isLeftMouseButtonDownEvent()) _circleBrush.surfaceLocked = true;
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else if (e.isLeftMouseButtonUpEvent() || e.type == EventType.MouseLeaveWindow) _circleBrush.surfaceLocked = false;
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_circleBrush.updateSurface();
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if (!_circleBrush.isSurfaceValid) return;
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if (FixedShortcuts.changeRadiusByScrollWheel(e))
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{
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e.disable();
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settings.brushRadius -= 0.1f * e.getMouseScroll();
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EditorUtility.SetDirty(settings);
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}
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if (_circleBrush.surfaceLocked)
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{
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if (!_spawner.isSpawnSessionActive) _spawner.beginSpawnSession(settings, _circleBrush, projectionSettings);
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_accumDragDistance += _circleBrush.projectedStrokeDelta;
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if (_accumDragDistance >= settings.minDragDistance)
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{
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_spawner.spawnObjects();
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_accumDragDistance = 0.0f;
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}
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}
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else
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{
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_spawner.endSpawnSession();
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_accumDragDistance = 0.0f;
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}
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}
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protected override void draw()
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{
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_circleBrush.draw(ObjectSpawnPrefs.instance.scatterBrushSpawnBrushBorderColor);
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}
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}
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}
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#endif
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