BITFALL/Assets/Polaris - Low Poly Ecosystem/Polaris - Low Poly Terrain .../Editor/Scripts/PaintTool/GTerrainTexturePainterInspe...

808 lines
36 KiB
C#

#if GRIFFIN
using Pinwheel.Griffin.BackupTool;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using Enum = System.Enum;
using Type = System.Type;
namespace Pinwheel.Griffin.PaintTool
{
[CustomEditor(typeof(GTerrainTexturePainter))]
public class GTerrainPainterInspector : Editor
{
private GTerrainTexturePainter painter;
private Vector3[] worldPoints = new Vector3[4];
private bool isColorSamplingEnable;
private void OnEnable()
{
Undo.undoRedoPerformed += OnUndoRedo;
SceneView.duringSceneGui += DuringSceneGUI;
painter = (GTerrainTexturePainter)target;
Tools.hidden = true;
GCommon.UpdateMaterials(painter.GroupId);
GCommon.RegisterBeginRender(OnBeginRender);
GCommon.RegisterBeginRenderSRP(OnBeginRenderSRP);
}
private void OnDisable()
{
Undo.undoRedoPerformed -= OnUndoRedo;
SceneView.duringSceneGui -= DuringSceneGUI;
Tools.hidden = false;
GCommon.UnregisterBeginRender(OnBeginRender);
GCommon.UnregisterBeginRenderSRP(OnBeginRenderSRP);
GTerrainTexturePainter.Internal_ReleaseRenderTextures();
}
private void OnUndoRedo()
{
if (Selection.activeGameObject != painter.gameObject)
return;
if (string.IsNullOrEmpty(GUndoCompatibleBuffer.Instance.CurrentBackupName))
return;
GBackup.Restore(GUndoCompatibleBuffer.Instance.CurrentBackupName);
}
private class GBaseGUI
{
public static readonly GUIContent GROUP_ID = new GUIContent("Group Id", "Id of the terrain group this painter will work on");
public static readonly GUIContent FORCE_UPDATE_GEOMETRY = new GUIContent("Force Update Geometry", "Update terrain geometry even when the painter doesn't modify the height map. Turn this on when you're using Albedo To Vertex Color");
public static readonly GUIContent ENABLE_HISTORY = new GUIContent("Enable History", "Enable history recording for undo. History recording may get slow when working with a large group of terrains");
public static readonly GUIContent ENABLE_LIVE_PREVIEW = new GUIContent("Enable Live Preview", "Draw a preview on the terrain surface showing the painter effect");
public static readonly GUIContent ENABLE_TERRAIN_MASK = new GUIContent("Enable Terrain Mask", "Use the terrain's Mask texture (R channel) to lock particular regions from being edited");
public static readonly GUIContent SHOW_TERRAIN_MASK = new GUIContent("Show Terrain Mask", "Draw the terrain mask overlay in the scene view. Disable this toggle if you are experiencing some frame rate drop");
public static readonly GUIContent ENABLE_TOPOGRAPHIC = new GUIContent("Enable Topographic", "Render a topographic view for better sense of elevation change");
public static readonly GUIContent NO_PAINTER_FOUND = new GUIContent("No painter found!");
}
public override void OnInspectorGUI()
{
EditorGUI.BeginChangeCheck();
painter.GroupId = GEditorCommon.ActiveTerrainGroupPopupWithAllOption(GBaseGUI.GROUP_ID, painter.GroupId);
painter.ForceUpdateGeometry = EditorGUILayout.Toggle(GBaseGUI.FORCE_UPDATE_GEOMETRY, painter.ForceUpdateGeometry);
Color txtColor = GUI.contentColor;
Rect r0 = EditorGUILayout.GetControlRect();
if (!GEditorSettings.Instance.paintTools.enableHistory)
{
GUI.contentColor = Color.red*1.5f;
}
GEditorSettings.Instance.paintTools.enableHistory = EditorGUI.Toggle(r0, GBaseGUI.ENABLE_HISTORY, GEditorSettings.Instance.paintTools.enableHistory);
GUI.contentColor = txtColor;
GEditorSettings.Instance.paintTools.enableLivePreview = EditorGUILayout.Toggle(GBaseGUI.ENABLE_LIVE_PREVIEW, GEditorSettings.Instance.paintTools.enableLivePreview);
bool isMaskPainterInUsed = painter.ActivePainter is GMaskPainter;
if (!isMaskPainterInUsed)
{
painter.EnableTerrainMask = EditorGUILayout.Toggle(GBaseGUI.ENABLE_TERRAIN_MASK, painter.EnableTerrainMask);
if (painter.EnableTerrainMask)
{
GEditorSettings.Instance.paintTools.showTerrainMask = EditorGUILayout.Toggle(GBaseGUI.SHOW_TERRAIN_MASK, GEditorSettings.Instance.paintTools.showTerrainMask);
}
}
GEditorSettings.Instance.topographic.enable = EditorGUILayout.Toggle(GBaseGUI.ENABLE_TOPOGRAPHIC, GEditorSettings.Instance.topographic.enable);
DrawPaintMode();
IGTexturePainter p = painter.ActivePainter;
if (p == null)
{
EditorGUILayout.LabelField(GBaseGUI.NO_PAINTER_FOUND, GEditorCommon.WordWrapItalicLabel);
}
else
{
DrawInstructionGUI();
DrawBrushMaskGUI();
if (painter.Mode == GTexturePaintingMode.Splat || painter.Mode == GTexturePaintingMode.Custom)
DrawSplatGUI();
DrawBrushGUI();
if (p is IConditionalPainter)
DrawRulesGUI();
if (p is IGTexturePainterWithCustomParams)
{
IGTexturePainterWithCustomParams activePainter = painter.ActivePainter as IGTexturePainterWithCustomParams;
activePainter.Editor_DrawCustomParamsGUI();
}
#if GRIFFIN_VEGETATION_STUDIO_PRO
GEditorCommon.DrawVspIntegrationGUI();
#endif
GEditorCommon.DrawBackupHelpBox();
}
if (EditorGUI.EndChangeCheck())
{
GUtilities.MarkCurrentSceneDirty();
EditorUtility.SetDirty(painter);
EditorUtility.SetDirty(GEditorSettings.Instance);
}
GEditorCommon.DrawCommonLinks();
}
public override bool RequiresConstantRepaint()
{
return false;
}
private class GInstructionGUI
{
public static readonly string LABEL = "Instruction";
public static readonly string ID = "texture-painter-instruction";
}
private void DrawInstructionGUI()
{
GEditorCommon.Foldout(GInstructionGUI.LABEL, true, GInstructionGUI.ID, () =>
{
string text = null;
try
{
text = painter.ActivePainter.Instruction;
}
catch (System.Exception e)
{
text = e.Message;
}
EditorGUILayout.LabelField(text, GEditorCommon.WordWrapItalicLabel);
});
}
private class GBrushMaskGUI
{
public static readonly string LABEL = "Brush Masks";
public static readonly string ID = "texture-painter-brush-masks";
public static readonly GUIContent NEW_BRUSH = new GUIContent("New Brush");
public static readonly GUIContent REFRESH = new GUIContent("Refresh");
public static readonly string NEW_BRUSH_DIALOG_TITLE = "Info";
public static readonly string NEW_BRUSH_DIALOG_INSTRUCTION = "To add a new brush, copy your brush texture to a Resources/PolarisBrushes/ folder, then Refresh.";
public static readonly string OK = "OK";
}
private void DrawBrushMaskGUI()
{
GenericMenu menu = new GenericMenu();
menu.AddItem(
GBrushMaskGUI.NEW_BRUSH,
false,
DisplayNewBrushDialog);
menu.AddItem(
GBrushMaskGUI.REFRESH,
false,
painter.ReloadBrushMasks);
GEditorCommon.Foldout(GBrushMaskGUI.LABEL, true, GBrushMaskGUI.ID, () =>
{
GSelectionGridArgs args = new GSelectionGridArgs();
args.selectedIndex = painter.SelectedBrushMaskIndex;
args.collection = painter.BrushMasks;
args.itemSize = GEditorCommon.selectionGridTileSizeSmall;
args.itemPerRow = 4;
args.drawPreviewFunction = DrawBrushMaskPreview;
painter.SelectedBrushMaskIndex = GEditorCommon.SelectionGrid(args);
},
menu);
}
private void DisplayNewBrushDialog()
{
EditorUtility.DisplayDialog(
GBrushMaskGUI.NEW_BRUSH_DIALOG_TITLE,
GBrushMaskGUI.NEW_BRUSH_DIALOG_INSTRUCTION,
GBrushMaskGUI.OK);
}
private void DrawBrushMaskPreview(Rect r, object o)
{
Texture2D tex = (Texture2D)o;
if (tex != null)
{
EditorGUI.DrawPreviewTexture(r, tex);
}
else
{
EditorGUI.DrawRect(r, Color.black);
}
}
private class GSplatGUI
{
public static readonly string LABEL = "Splats";
public static readonly string ID = "texture-painter-splats";
public static readonly GUIContent MULTI_SELECTION = new GUIContent("Multi Selection", "Select multiple splats by setting their probability");
}
private void DrawSplatGUI()
{
GEditorCommon.Foldout(GSplatGUI.LABEL, true, GSplatGUI.ID, () =>
{
if (GEditorSettings.Instance.paintTools.useMultiSplatsSelector)
{
painter.SelectedSplatIndices = GEditorCommon.SplatSetMultiSelectionGrid(painter.GroupId, painter.SelectedSplatIndices);
}
else
{
painter.SelectedSplatIndex = GEditorCommon.SplatSetSelectionGrid(painter.GroupId, painter.SelectedSplatIndex);
}
GEditorSettings.Instance.paintTools.useMultiSplatsSelector = EditorGUILayout.Toggle(GSplatGUI.MULTI_SELECTION, GEditorSettings.Instance.paintTools.useMultiSplatsSelector);
EditorUtility.SetDirty(GEditorSettings.Instance);
EditorGUILayout.Space();
});
}
private class GBrushGUI
{
public static readonly string LABEL = "Brush";
public static readonly string ID = "texture-painter-brush";
public static readonly GUIContent JITTER = new GUIContent("Jitter", "Randomness factor for the value");
public static readonly GUIContent RADIUS = new GUIContent("Radius", "Radius of the brush stroke. Shortcut: - =");
public static readonly GUIContent ROTATION = new GUIContent("Rotation", "Rotation of the brush stroke. Shortcut: [ ]");
public static readonly GUIContent OPACITY = new GUIContent("Opacity", "Opacity of the brush stroke. Shortcut: ; '");
public static readonly GUIContent TARGET_STRENGTH = new GUIContent("Target Strength", "Maximum intensity of the brush");
public static readonly GUIContent SCATTER = new GUIContent("Scatter", "Pick a random position for the brush around your cursor position");
public static readonly GUIContent COLOR = new GUIContent("Color", "Color of the brush. Mainly used for Albedo, Metallic (R) and Smoothness (A) painter");
public static readonly GUIContent SAMPLE_POINT = new GUIContent("Sample Point", "A point in the scene for sample height. Mainly use for Height Sampling (Y) painter.");
public static readonly GUIContent TRIANGLE_SAMPLER = new GUIContent(GEditorSkin.Instance.GetTexture("TriangleSamplerIcon"), "Sample terrain Albedo color, Metallic or Smoothness value based on the current paint mode");
}
private void DrawBrushGUI()
{
GEditorCommon.Foldout(GBrushGUI.LABEL, true, GBrushGUI.ID, () =>
{
painter.BrushRadius = EditorGUILayout.FloatField(GBrushGUI.RADIUS, painter.BrushRadius);
painter.BrushRadiusJitter = EditorGUILayout.Slider(GBrushGUI.JITTER, painter.BrushRadiusJitter, 0f, 1f);
GEditorCommon.Separator();
painter.BrushRotation = EditorGUILayout.Slider(GBrushGUI.ROTATION, painter.BrushRotation, -360f, 360f);
painter.BrushRotationJitter = EditorGUILayout.Slider(GBrushGUI.JITTER, painter.BrushRotationJitter, 0f, 1f);
GEditorCommon.Separator();
Color txtColor = GUI.contentColor;
Rect r0 = EditorGUILayout.GetControlRect();
if (painter.BrushOpacity <= 0 || painter.BrushOpacity >= 1)
{
GUI.contentColor = Color.red * 1.5f;
}
painter.BrushOpacity = EditorGUI.Slider(r0, GBrushGUI.OPACITY, painter.BrushOpacity, 0f, 1f);
GUI.contentColor = txtColor;
painter.BrushOpacityJitter = EditorGUILayout.Slider(GBrushGUI.JITTER, painter.BrushOpacityJitter, 0f, 1f);
Rect r1 = EditorGUILayout.GetControlRect();
if (painter.BrushTargetStrength <= 0)
{
GUI.contentColor = Color.red * 1.5f;
}
painter.BrushTargetStrength = EditorGUI.Slider(r1, GBrushGUI.TARGET_STRENGTH, painter.BrushTargetStrength, 0f, 1f);
GUI.contentColor = txtColor;
GEditorCommon.Separator();
painter.BrushScatter = EditorGUILayout.Slider(GBrushGUI.SCATTER, painter.BrushScatter, 0f, 1f);
painter.BrushScatterJitter = EditorGUILayout.Slider(GBrushGUI.JITTER, painter.BrushScatterJitter, 0f, 1f);
GEditorCommon.Separator();
EditorGUILayout.BeginHorizontal();
painter.BrushColor = EditorGUILayout.ColorField(GBrushGUI.COLOR, painter.BrushColor);
GUI.enabled =
painter.Mode == GTexturePaintingMode.Albedo ||
painter.Mode == GTexturePaintingMode.Metallic ||
painter.Mode == GTexturePaintingMode.Smoothness;
GUI.color = isColorSamplingEnable ? Color.white * 1.5f : Color.white;
if (GUILayout.Button(GBrushGUI.TRIANGLE_SAMPLER, GUILayout.Width(50), GUILayout.Height(EditorGUIUtility.singleLineHeight)))
{
isColorSamplingEnable = !isColorSamplingEnable;
}
GUI.enabled = true;
GUI.color = Color.white;
EditorGUILayout.EndHorizontal();
painter.SamplePoint = GEditorCommon.InlineVector3Field(GBrushGUI.SAMPLE_POINT, painter.SamplePoint);
});
}
private class GRulesGUI
{
public static readonly string LABEL = "Rules";
public static readonly string ID = "texture-painter-rules";
public static readonly string HEIGHT_RULE_HEADER = "Height";
public static readonly GUIContent ENABLE_HEIGHT_RULE = new GUIContent("Enable", "Enable height rule");
public static readonly GUIContent MIN_HEIGHT = new GUIContent("Min", "Minimum height in meter for the painter to take effect");
public static readonly GUIContent MAX_HEIGHT = new GUIContent("Max", "Maximum height in meter for the painter to take effect");
public static readonly GUIContent HEIGHT_TRANSITION = new GUIContent("Transition", "Intensity of the height blend in the range of [min,max]");
public static readonly string SLOPE_RULE_HEADER = "Slope";
public static readonly GUIContent ENABLE_SLOPE_RULE = new GUIContent("Enable", "Enable slope rule");
public static readonly GUIContent NORMAL_MAP_MODE = new GUIContent("Mode", "Slope mode to use");
public static readonly GUIContent MIN_SLOPE = new GUIContent("Min", "Minimum angle between surface normal and the up vector for the painter to take effect");
public static readonly GUIContent MAX_SLOPE = new GUIContent("Max", "Maximum angle between surface normal and the up vector for the painter to take effect");
public static readonly GUIContent SLOPE_TRANSITION = new GUIContent("Transition", "Intensity of the slope blend in the range of [min,max]");
public static readonly string NOISE_RULE_HEADER = "Noise";
public static readonly GUIContent ENABLE_NOISE_RULE = new GUIContent("Enable", "Enable noise rule");
public static readonly GUIContent NOISE_ORIGIN = new GUIContent("Origin", "The origin point of the noise map");
public static readonly GUIContent NOISE_FREQUENCY = new GUIContent("Frequency", "Frequency of the noise pattern, higher value gives thicker noise");
public static readonly GUIContent NOISE_OCTAVES = new GUIContent("Octaves", "The number of noise layers to stack on top of each others");
public static readonly GUIContent NOISE_LACUNARITY = new GUIContent("Lacunarity", "The change in frequency of each noise layer");
public static readonly GUIContent NOISE_PERSISTENCE = new GUIContent("Persistence", "The change in amplitude of each noise layer");
public static readonly GUIContent NOISE_REMAP = new GUIContent("Remap", "Remap the generated noise value");
}
private void DrawRulesGUI()
{
GEditorCommon.Foldout(GRulesGUI.LABEL, false, GRulesGUI.ID, () =>
{
GConditionalPaintingConfigs configs = painter.ConditionalPaintingConfigs;
GEditorCommon.Header(GRulesGUI.HEIGHT_RULE_HEADER);
configs.BlendHeight = EditorGUILayout.Toggle(GRulesGUI.ENABLE_HEIGHT_RULE, configs.BlendHeight);
configs.MinHeight = EditorGUILayout.FloatField(GRulesGUI.MIN_HEIGHT, configs.MinHeight);
configs.MaxHeight = EditorGUILayout.FloatField(GRulesGUI.MAX_HEIGHT, configs.MaxHeight);
EditorGUI.BeginChangeCheck();
configs.HeightTransition = EditorGUILayout.CurveField(GRulesGUI.HEIGHT_TRANSITION, configs.HeightTransition, Color.red, GCommon.UnitRect);
if (EditorGUI.EndChangeCheck())
{
configs.UpdateCurveTextures();
}
GEditorCommon.Header(GRulesGUI.SLOPE_RULE_HEADER);
configs.BlendSlope = EditorGUILayout.Toggle(GRulesGUI.ENABLE_SLOPE_RULE, configs.BlendSlope);
configs.NormalMapMode = (GNormalMapMode)EditorGUILayout.EnumPopup(GRulesGUI.NORMAL_MAP_MODE, configs.NormalMapMode);
configs.MinSlope = EditorGUILayout.FloatField(GRulesGUI.MIN_SLOPE, configs.MinSlope);
configs.MaxSlope = EditorGUILayout.FloatField(GRulesGUI.MAX_SLOPE, configs.MaxSlope);
EditorGUI.BeginChangeCheck();
configs.SlopeTransition = EditorGUILayout.CurveField(GRulesGUI.SLOPE_TRANSITION, configs.SlopeTransition, Color.red, GCommon.UnitRect);
if (EditorGUI.EndChangeCheck())
{
configs.UpdateCurveTextures();
}
GEditorCommon.Header(GRulesGUI.NOISE_RULE_HEADER);
configs.BlendNoise = EditorGUILayout.Toggle(GRulesGUI.ENABLE_NOISE_RULE, configs.BlendNoise);
configs.NoiseOrigin = GEditorCommon.InlineVector3Field(GRulesGUI.NOISE_ORIGIN, configs.NoiseOrigin);
configs.NoiseFrequency = EditorGUILayout.FloatField(GRulesGUI.NOISE_FREQUENCY, configs.NoiseFrequency);
configs.NoiseLacunarity = EditorGUILayout.FloatField(GRulesGUI.NOISE_LACUNARITY, configs.NoiseLacunarity);
configs.NoisePersistence = EditorGUILayout.Slider(GRulesGUI.NOISE_PERSISTENCE, configs.NoisePersistence, 0.01f, 1f);
configs.NoiseOctaves = EditorGUILayout.IntSlider(GRulesGUI.NOISE_OCTAVES, configs.NoiseOctaves, 1, 4);
EditorGUI.BeginChangeCheck();
configs.NoiseRemap = EditorGUILayout.CurveField(GRulesGUI.NOISE_REMAP, configs.NoiseRemap, Color.red, GCommon.UnitRect);
if (EditorGUI.EndChangeCheck())
{
configs.UpdateCurveTextures();
}
});
}
private void DuringSceneGUI(SceneView sv)
{
HandleTerrainEditingInSceneView();
HandleBrushSettingsShortcuts();
HandleFunctionKeys();
if (Event.current != null && Event.current.type == EventType.MouseMove)
SceneView.RepaintAll();
}
private void HandleBrushSettingsShortcuts()
{
if (Event.current != null && Event.current.isKey)
{
KeyCode k = Event.current.keyCode;
if (k == KeyCode.Equals)
{
painter.BrushRadius += GEditorSettings.Instance.paintTools.radiusStep;
}
else if (k == KeyCode.Minus)
{
painter.BrushRadius -= GEditorSettings.Instance.paintTools.radiusStep;
}
else if (k == KeyCode.RightBracket)
{
painter.BrushRotation += GEditorSettings.Instance.paintTools.rotationStep;
}
else if (k == KeyCode.LeftBracket)
{
painter.BrushRotation -= GEditorSettings.Instance.paintTools.rotationStep;
}
else if (k == KeyCode.Quote)
{
painter.BrushOpacity += GEditorSettings.Instance.paintTools.opacityStep;
}
else if (k == KeyCode.Semicolon)
{
painter.BrushOpacity -= GEditorSettings.Instance.paintTools.opacityStep;
}
}
}
private void HandleFunctionKeys()
{
if (Event.current != null && Event.current.type == EventType.KeyDown)
{
KeyCode k = Event.current.keyCode;
if (k >= KeyCode.F1 && k <= KeyCode.F12)
{
if (painter.Mode != GTexturePaintingMode.Custom &&
(k - KeyCode.F1) != (int)GTexturePaintingMode.Custom)
{
painter.Mode = (GTexturePaintingMode)(k - KeyCode.F1);
}
else
{
painter.CustomPainterIndex = k - KeyCode.F1;
}
}
}
}
private void HandleTerrainEditingInSceneView()
{
if (!painter.enabled)
return;
if (Event.current == null)
return;
if (Event.current.alt == true)
return;
if (Event.current.type != EventType.Repaint &&
Event.current.type != EventType.MouseDown &&
Event.current.type != EventType.MouseDrag &&
Event.current.type != EventType.MouseUp &&
Event.current.type != EventType.KeyDown)
return;
int controlId = GUIUtility.GetControlID(this.GetHashCode(), FocusType.Passive);
if (Event.current.type == EventType.MouseDown)
{
if (Event.current.button == 0)
{
//Set the hot control to this tool, to disable marquee selection tool on mouse dragging
GUIUtility.hotControl = controlId;
}
}
else if (Event.current.type == EventType.MouseUp)
{
GRuntimeSettings.Instance.isEditingGeometry = false;
if (GUIUtility.hotControl == controlId)
{
//Return the hot control back to Unity, use the default
GUIUtility.hotControl = 0;
}
}
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit hit;
if (GStylizedTerrain.Raycast(r, out hit, float.MaxValue, painter.GroupId))
{
OnRaycast(true, hit);
}
else
{
OnRaycast(false, hit);
}
if (GGuiEventUtilities.IsLeftMouse)
{
Event.current.Use();
}
}
private void OnRaycast(bool isHit, RaycastHit hitInfo)
{
if (isHit)
{
if (GEditorSettings.Instance.paintTools.enableLivePreview &&
painter.ActivePainter != null &&
painter.ActivePainter is IGTexturePainterWithLivePreview)
{
}
else
{
if (!isColorSamplingEnable)
{
DrawHandleAtCursor(hitInfo);
}
}
if (GGuiEventUtilities.IsLeftMouseUp && isColorSamplingEnable)
{
SampleColor(hitInfo);
isColorSamplingEnable = false;
}
if (GGuiEventUtilities.IsLeftMouse && !isColorSamplingEnable)
{
Paint(hitInfo);
}
}
}
private void SampleColor(RaycastHit hit)
{
GStylizedTerrain t = hit.collider.GetComponentInParent<GStylizedTerrain>();
if (t == null)
return;
if (t.TerrainData == null)
return;
Texture2D textureToSample =
painter.Mode == GTexturePaintingMode.Albedo ? t.TerrainData.Shading.AlbedoMapOrDefault :
painter.Mode == GTexturePaintingMode.Metallic ? t.TerrainData.Shading.MetallicMapOrDefault :
painter.Mode == GTexturePaintingMode.Smoothness ? t.TerrainData.Shading.MetallicMapOrDefault :
null;
if (textureToSample == null)
return;
painter.BrushColor = textureToSample.GetPixelBilinear(hit.textureCoord.x, hit.textureCoord.y).gamma;
}
private GTexturePainterArgs CreateBasicArgs(RaycastHit hit)
{
GTexturePainterArgs args = new GTexturePainterArgs();
args.HitPoint = hit.point;
args.MouseEventType =
Event.current.type == EventType.MouseDown ? GPainterMouseEventType.Down :
Event.current.type == EventType.MouseDrag ? GPainterMouseEventType.Drag :
GPainterMouseEventType.Up;
args.ActionType =
Event.current.shift ? GPainterActionType.Alternative :
Event.current.control ? GPainterActionType.Negative :
GPainterActionType.Normal;
return args;
}
private void Paint(RaycastHit hit)
{
GTexturePainterArgs args = CreateBasicArgs(hit);
painter.Paint(args);
}
private class GCursorHandleGUI
{
public static readonly int COLOR = Shader.PropertyToID("_Color");
public static readonly int MAIN_TEX = Shader.PropertyToID("_MainTex");
public static readonly int WORLD_TO_CURSOR = Shader.PropertyToID("_WorldToCursorMatrix");
}
private void DrawHandleAtCursor(RaycastHit hit)
{
Color cursorColor =
Event.current.shift ? GEditorSettings.Instance.paintTools.alternativeActionCursorColor :
Event.current.control ? GEditorSettings.Instance.paintTools.negativeActionCursorColor :
GEditorSettings.Instance.paintTools.normalActionCursorColor;
cursorColor.a = cursorColor.a * Mathf.Lerp(0.5f, 1f, painter.BrushOpacity);
if (GEditorSettings.Instance.paintTools.useSimpleCursor)
{
Handles.color = cursorColor;
Vector3[] corner = GCommon.GetBrushQuadCorners(hit.point, painter.BrushRadius, painter.BrushRotation);
Handles.DrawAAPolyLine(5, corner[0], corner[1], corner[2], corner[3], corner[0]);
}
else
{
Matrix4x4 cursorToWorld = Matrix4x4.TRS(hit.point, Quaternion.Euler(0, painter.BrushRotation, 0), 2 * painter.BrushRadius * Vector3.one);
worldPoints[0] = cursorToWorld.MultiplyPoint(new Vector3(-0.5f, 0, -0.5f));
worldPoints[1] = cursorToWorld.MultiplyPoint(new Vector3(-0.5f, 0, 0.5f));
worldPoints[2] = cursorToWorld.MultiplyPoint(new Vector3(0.5f, 0, 0.5f));
worldPoints[3] = cursorToWorld.MultiplyPoint(new Vector3(0.5f, 0, -0.5f));
Material mat = GInternalMaterials.PainterCursorProjectorMaterial;
mat.SetColor(GCursorHandleGUI.COLOR, cursorColor);
mat.SetTexture(GCursorHandleGUI.MAIN_TEX, painter.BrushMasks[painter.SelectedBrushMaskIndex]);
mat.SetMatrix(GCursorHandleGUI.WORLD_TO_CURSOR, cursorToWorld.inverse);
mat.SetPass(0);
List<GOverlapTestResult> overlapTest = GPaintToolUtilities.OverlapTest(painter.GroupId, hit.point, painter.BrushRadius, painter.BrushRotation);
foreach (GOverlapTestResult test in overlapTest)
{
if (test.IsOverlapped)
{
DrawCursorProjected(test.Terrain, test.IsChunkOverlapped);
}
}
}
}
private void DrawCursorProjected(GStylizedTerrain t, bool[] chunkCulling)
{
GTerrainChunk[] chunks = t.GetChunks();
for (int i = 0; i < chunks.Length; ++i)
{
if (chunkCulling[i] == false)
continue;
Mesh m = chunks[i].GetMesh(0);
Graphics.DrawMeshNow(
m,
chunks[i].transform.localToWorldMatrix);
}
}
private class GPaintModeGUI
{
public static readonly string LABEL = "Mode";
public static readonly string ID = "texture-painter-mode";
public static readonly GUIContent NO_CUSTOM_PAINTER = new GUIContent("No Custom Painter defined!");
public static readonly GUIContent CUSTOM_ARGS = new GUIContent("Custom Args");
}
private void DrawPaintMode()
{
GEditorCommon.Foldout(GPaintModeGUI.LABEL, true, GPaintModeGUI.ID, () =>
{
ShowPaintModeAsGrid();
});
}
private void ShowPaintModeAsGrid()
{
GSelectionGridArgs args0 = new GSelectionGridArgs();
args0.selectedIndex = (int)painter.Mode;
args0.collection = Enum.GetValues(typeof(GTexturePaintingMode));
args0.itemSize = GEditorCommon.selectionGridTileSizeWide;
args0.itemPerRow = 2;
args0.drawPreviewFunction = DrawModePreview;
EditorGUI.BeginChangeCheck();
painter.Mode = (GTexturePaintingMode)GEditorCommon.SelectionGrid(args0);
if (EditorGUI.EndChangeCheck())
{
}
if (painter.Mode == GTexturePaintingMode.Custom)
{
GEditorCommon.Separator();
List<Type> customPainterTypes = GTerrainTexturePainter.GetCustomPainterTypes();
if (customPainterTypes.Count == 0)
{
EditorGUILayout.LabelField(GPaintModeGUI.NO_CUSTOM_PAINTER, GEditorCommon.WordWrapItalicLabel);
}
else
{
GSelectionGridArgs args1 = new GSelectionGridArgs();
args1.selectedIndex = painter.CustomPainterIndex;
args1.collection = customPainterTypes;
args1.itemSize = GEditorCommon.selectionGridTileSizeWide;
args1.itemPerRow = 2;
args1.drawPreviewFunction = DrawCustomMode;
painter.CustomPainterIndex = GEditorCommon.SelectionGrid(args1);
GEditorCommon.Separator();
painter.CustomPainterArgs = EditorGUILayout.TextField(GPaintModeGUI.CUSTOM_ARGS, painter.CustomPainterArgs);
}
}
}
private void DrawModePreview(Rect r, object o)
{
GTexturePaintingMode mode = (GTexturePaintingMode)o;
Texture2D icon = GEditorSkin.Instance.GetTexture(mode.ToString() + "Icon");
if (icon == null)
{
icon = GEditorSkin.Instance.GetTexture("GearIcon");
}
string label = ObjectNames.NicifyVariableName(mode.ToString());
DrawMode(r, label, icon);
}
private void DrawCustomMode(Rect r, object o)
{
Type t = (Type)o;
if (t != null)
{
string label = ObjectNames.NicifyVariableName(GEditorCommon.GetClassDisplayName(t));
Texture2D icon = GEditorSkin.Instance.GetTexture("GearIcon");
DrawMode(r, label, icon);
}
}
private void DrawMode(Rect r, string label, Texture icon)
{
GUIStyle labelStyle = EditorStyles.miniLabel;
Rect iconRect = new Rect(r.min.x, r.min.y, r.height, r.height);
Rect labelRect = new Rect(r.min.x + r.height + 1, r.min.y, r.width - r.height, r.height);
GEditorCommon.DrawBodyBox(r);
GEditorCommon.DrawHeaderBox(iconRect);
if (icon != null)
{
GUI.color = labelStyle.normal.textColor;
RectOffset offset = new RectOffset(3, 3, 3, 3);
GUI.DrawTexture(offset.Remove(iconRect), icon);
GUI.color = Color.white;
}
int indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
GUI.Label(labelRect, label, labelStyle);
EditorGUI.indentLevel = indent;
}
private void OnBeginRender(Camera cam)
{
if (cam.cameraType != CameraType.SceneView)
return;
if (isColorSamplingEnable)
return;
if (GEditorSettings.Instance.paintTools.enableLivePreview)
{
bool canDrawLivePreview = painter.ActivePainter != null && painter.ActivePainter is IGTexturePainterWithLivePreview;
if (canDrawLivePreview)
{
Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
RaycastHit hit;
if (GStylizedTerrain.Raycast(r, out hit, float.MaxValue, painter.GroupId))
{
DrawLivePreview(cam, hit);
}
}
}
if (painter.EnableTerrainMask)
{
DrawMask(cam);
}
}
private void OnBeginRenderSRP(UnityEngine.Rendering.ScriptableRenderContext context, Camera cam)
{
OnBeginRender(cam);
}
private void DrawLivePreview(Camera cam, RaycastHit hitInfo)
{
bool canDrawLivePreview = painter.ActivePainter != null && painter.ActivePainter is IGTexturePainterWithLivePreview;
if (!canDrawLivePreview)
return;
IGTexturePainterWithLivePreview activePainter = painter.ActivePainter as IGTexturePainterWithLivePreview;
GTexturePainterArgs args = CreateBasicArgs(hitInfo);
painter.FillArgs(ref args, true);
List<GOverlapTestResult> overlapTest = GPaintToolUtilities.OverlapTest(painter.GroupId, hitInfo.point, painter.BrushRadius, painter.BrushRotation);
foreach (GOverlapTestResult test in overlapTest)
{
if (test.IsOverlapped)
{
activePainter.Editor_DrawLivePreview(test.Terrain, args, cam);
}
}
}
private void DrawMask(Camera cam)
{
GCommon.ForEachTerrain(painter.GroupId, (t) =>
{
if (t.TerrainData == null)
return;
if (painter.ActivePainter is GMaskPainter)
{
if (GTexturePainterCustomParams.Instance.Mask.Visualize)
{
GLivePreviewDrawer.DrawMask4ChannelsLivePreview(t, cam, t.TerrainData.Mask.MaskMapOrDefault, GCommon.UnitRect);
}
}
else
{
if (GEditorSettings.Instance.paintTools.showTerrainMask)
GLivePreviewDrawer.DrawTerrainMask(t, cam);
}
});
}
}
}
#endif