public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
// We're only doing painting operations, early out if it's not a repaint
if (Event.current.type != EventType.Repaint)
{
return;
}
if (editContext.hitValidTerrain)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
TerrainPaintUtilityEditor.DrawBrushPreview(
paintContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, material, 0);
// draw result preview
{
ApplyBrushInternal(paintContext, editContext.brushStrength, editContext.brushTexture, brushXform);
// restore old render target
RenderTexture.active = paintContext.oldRenderTexture;
material.SetTexture("_HeightmapOrig", paintContext.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(
paintContext, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture, editContext.brushTexture, brushXform, material, 1);
}
TerrainPaintUtility.ReleaseContextResources(paintContext);
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
commonUI.OnSceneGUI2D(terrain, editContext);
if (editContext.hitValidTerrain || commonUI.isInUse)
{
commonUI.OnSceneGUI(terrain, editContext);
if (Event.current.type != EventType.Repaint)
{
return;
}
if (pathToolProperties != null && pathToolProperties.widthProfile != null)
{
float endWidth = Mathf.Abs(pathToolProperties.widthProfile.Evaluate(1.0f));
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, commonUI.raycastHitUnderCursor.textureCoord, commonUI.brushSize * endWidth, commonUI.brushRotation);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
if (Event.current.type != EventType.Repaint)
{
return;
}
switch (pathToolProperties.paintMode)
{
case PaintMode.Paint:
// nothing to do, no special indicator
break;
case PaintMode.Stroke:
//display a brush preview at first or last clicked path location, using starting size from width profile
if (m_StartTerrain != null)
{
float startWidth = Mathf.Abs(pathToolProperties.widthProfile.Evaluate(0.0f));
BrushTransform brushTransform = TerrainPaintUtility.CalculateBrushTransform(m_StartTerrain, m_StartPoint, commonUI.brushSize * startWidth, commonUI.brushRotation);
PaintContext sampleContext = TerrainPaintUtility.BeginPaintHeightmap(m_StartTerrain, brushTransform.GetBrushXYBounds());
TerrainPaintUtilityEditor.DrawBrushPreview(sampleContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
editContext.brushTexture, brushTransform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(sampleContext);
}
break;
default:
throw new System.Exception(string.Format("Unsupported paint mode {0}", pathToolProperties.paintMode));
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
commonUI.OnSceneGUI2D(terrain, editContext);
// only do the rest if user mouse hits valid terrain or they are using the
// brush parameter hotkeys to resize, etc
if (!editContext.hitValidTerrain && !commonUI.isInUse)
{
return;
}
// update brush UI group
commonUI.OnSceneGUI(terrain, editContext);
// dont render preview if this isnt a repaint. losing performance if we do
if (Event.current.type != EventType.Repaint)
{
return;
}
using (IBrushRenderPreviewUnderCursor brushPreview =
new BrushRenderPreviewUIGroupUnderCursor(commonUI, "NoiseHeightTool", editContext.brushTexture))
{
float brushSize = commonUI.brushSize;
float brushRotation = commonUI.brushRotation;
float brushStrength = Event.current.control ? -commonUI.brushStrength : commonUI.brushStrength;
Vector3 brushPosWS = commonUI.raycastHitUnderCursor.point;
BrushTransform brushXform;
brushPreview.CalculateBrushTransform(out brushXform);
PaintContext ctx = brushPreview.AcquireHeightmap(false, brushXform.GetBrushXYBounds(), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
brushPreview.RenderBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, brushXform, material, 0);
ApplyBrushInternal(ctx, brushXform, brushPosWS, commonUI.brushRotation,
brushStrength, brushSize, editContext.brushTexture);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(ctx, brushXform, material);
// restore old render target
RenderTexture.active = ctx.oldRenderTexture;
material.SetTexture("_HeightmapOrig", ctx.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture,
editContext.brushTexture, brushXform, material, 1);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
// We're only doing painting operations, early out if it's not a repaint
if (Event.current.type != EventType.Repaint)
{
return;
}
if (editContext.hitValidTerrain)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, editContext.brushSize, 0.0f);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
private void DrawBrushPreviews(Terrain terrain, IOnSceneGUI editContext)
{
Vector2 sampleUV;
BrushTransform sampleXform;
PaintContext sampleContext = null;
Material previewMat = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
// draw sample location brush and create context data to be used when drawing target brush previews
if (m_SampleLocation.terrain != null)
{
sampleUV = TerrainUVFromBrushLocation(m_SampleLocation.terrain, m_SampleLocation.pos);
sampleXform = TerrainPaintUtility.CalculateBrushTransform(m_SampleLocation.terrain, sampleUV, editContext.brushSize, 0);
sampleContext = TerrainPaintUtility.BeginPaintHeightmap(m_SampleLocation.terrain, sampleXform.GetBrushXYBounds());
TerrainPaintUtilityEditor.DrawBrushPreview(sampleContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
editContext.brushTexture, sampleXform, previewMat, 0);
}
// draw brush preview and mesh preview for current mouse position
if (editContext.hitValidTerrain)
{
BrushTransform targetXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, editContext.brushSize, 0f);
PaintContext targetContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, targetXform.GetBrushXYBounds(), 1);
// draw basic preview of brush
TerrainPaintUtilityEditor.DrawBrushPreview(targetContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
editContext.brushTexture, targetXform, previewMat, 0);
if (sampleContext != null && m_PaintHeightmap)
{
ApplyHeightmap(sampleContext, targetContext, targetXform, terrain, editContext.brushTexture, editContext.brushStrength);
// draw preview of brush mesh
RenderTexture.active = targetContext.oldRenderTexture;
previewMat.SetTexture("_HeightmapOrig", targetContext.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(targetContext, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture,
editContext.brushTexture, targetXform, previewMat, 1);
}
TerrainPaintUtility.ReleaseContextResources(targetContext);
}
if (sampleContext != null)
{
TerrainPaintUtility.ReleaseContextResources(sampleContext);
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
Event evt = Event.current;
if (evt.control && (evt.type == EventType.ScrollWheel))
{
const float k_mouseWheelToHeightRatio = -0.0004f;
// we use distance to modify the scroll speed, so that when a user is up close to the brush, they get fine adjustment, and when the user is far from the brush, it adjusts quickly
m_StampHeightTerrainSpace += Event.current.delta.y * k_mouseWheelToHeightRatio * editContext.raycastHit.distance;
evt.Use();
editContext.Repaint();
}
// We're only doing painting operations, early out if it's not a repaint
if (evt.type != EventType.Repaint)
{
return;
}
if (editContext.hitValidTerrain)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
TerrainPaintUtilityEditor.DrawBrushPreview(
paintContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, material, 0);
// draw result preview
{
ApplyBrushInternal(paintContext, editContext.brushStrength, editContext.brushTexture, brushXform, terrain, evt.shift);
// restore old render target
RenderTexture.active = paintContext.oldRenderTexture;
material.SetTexture("_HeightmapOrig", paintContext.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(
paintContext, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture, editContext.brushTexture, brushXform, material, 1);
}
TerrainPaintUtility.ReleaseContextResources(paintContext);
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
commonUI.OnSceneGUI2D(terrain, editContext);
if (editContext.hitValidTerrain || commonUI.isInUse)
{
commonUI.OnSceneGUI(terrain, editContext);
if (Event.current.type != EventType.Repaint)
{
return;
}
if (bridgeToolProperties != null && bridgeToolProperties.widthProfile != null)
{
float endWidth = Mathf.Abs(bridgeToolProperties.widthProfile.Evaluate(1.0f));
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, commonUI.raycastHitUnderCursor.textureCoord, commonUI.brushSize * endWidth, commonUI.brushRotation);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
if (Event.current.type != EventType.Repaint)
{
return;
}
//display a brush preview at the bridge starting location, using starting size from width profile
if (m_StartTerrain != null)
{
float startWidth = Mathf.Abs(bridgeToolProperties.widthProfile.Evaluate(0.0f));
BrushTransform brushTransform = TerrainPaintUtility.CalculateBrushTransform(m_StartTerrain, m_StartPoint, commonUI.brushSize * startWidth, commonUI.brushRotation);
PaintContext sampleContext = TerrainPaintUtility.BeginPaintHeightmap(m_StartTerrain, brushTransform.GetBrushXYBounds());
TerrainPaintUtilityEditor.DrawBrushPreview(sampleContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
editContext.brushTexture, brushTransform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(sampleContext);
}
}
private void DrawBrushPreviews(Terrain terrain, IOnSceneGUI editContext)
{
Vector2 sampleUV;
BrushTransform sampleXform;
PaintContext sampleContext = null;
Material previewMat = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
// draw sample location brush and create context data to be used when drawing target brush previews
if (m_SampleLocation.terrain != null)
{
sampleUV = TerrainUVFromBrushLocation(m_SampleLocation.terrain, m_SampleLocation.pos);
sampleXform = TerrainPaintUtility.CalculateBrushTransform(m_SampleLocation.terrain, sampleUV, commonUI.brushSize, commonUI.brushRotation);
sampleContext = TerrainPaintUtility.BeginPaintHeightmap(m_SampleLocation.terrain, sampleXform.GetBrushXYBounds());
TerrainPaintUtilityEditor.DrawBrushPreview(sampleContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
editContext.brushTexture, sampleXform, previewMat, 0);
}
// draw brush preview and mesh preview for current mouse position
if (commonUI.isRaycastHitUnderCursorValid)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, commonUI.raycastHitUnderCursor.textureCoord, commonUI.brushSize, commonUI.brushRotation);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
if (sampleContext != null && cloneToolProperties.m_PaintHeightmap)
{
ApplyHeightmap(sampleContext, ctx, brushXform, terrain, editContext.brushTexture, commonUI.brushStrength);
RenderTexture.active = ctx.oldRenderTexture;
previewMat.SetTexture("_HeightmapOrig", ctx.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture,
editContext.brushTexture, brushXform, previewMat, 1);
}
// Restores RenderTexture.active
ctx.Cleanup();
}
// Restores RenderTexture.active
sampleContext?.Cleanup();
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
// there's probably more logic we need to handle here
if (paintInProgress && (Event.current.type == EventType.MouseUp))
{
MaterialManager mgr = terrain.GetComponent <MaterialManager>();
if (mgr != null)
{
mgr.GetIndexMap().SetIndexMapDirty();
}
paintInProgress = false;
}
// We're only doing painting operations, early out if it's not a repaint
if (Event.current.type != EventType.Repaint)
{
return;
}
if (editContext.hitValidTerrain)
{
if (lastUV != editContext.raycastHit.textureCoord)
{
editContext.Repaint(RepaintFlags.UI);
}
lastUV = editContext.raycastHit.textureCoord;
lastBrushSize = editContext.brushSize;
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, editContext.brushSize, 0.0f);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
Material brushPreviewMaterial = GetBrushPreviewMaterial();
Vector4 brushParams = new Vector4(editContext.brushStrength, 0.0f, 0.0f, 0.0f);
brushPreviewMaterial.SetVector("_BrushParams", brushParams);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, brushPreviewMaterial, 0);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
commonUI.OnSceneGUI2D(terrain, editContext);
#if UNITY_2019_1_OR_NEWER
// Don't paint if eyedropper is selected
if (m_EyedropperSelected)
{
EditorGUIUtility.AddCursorRect(new Rect(0, 0, Screen.width, Screen.height), MouseCursor.CustomCursor);
editContext.Repaint();
return;
}
#endif
// We're only doing painting operations, early out if it's not a repaint
if (!editContext.hitValidTerrain && !commonUI.isInUse)
{
return;
}
// update brush UI group
commonUI.OnSceneGUI(terrain, editContext);
// Don't render preview if this isn't a repaint. losing performance if we do
if (Event.current.type != EventType.Repaint)
{
return;
}
Texture brushTexture = editContext.brushTexture;
using (IBrushRenderPreviewUnderCursor brushRender = new BrushRenderPreviewUIGroupUnderCursor(commonUI, "PaintTextureTool", brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushTransform)) //cute.
{
RenderTexture tmpRT = RenderTexture.active;
Rect brushBounds = brushTransform.GetBrushXYBounds();
PaintContext heightmapContext = brushRender.AcquireHeightmap(false, brushBounds, 1);
Material brushMaterial = GetBrushPreviewMaterial();
if (commonUI.brushMaskFilterStack.filters.Count > 0)
{
// Evaluate the brush mask filter stack
Vector3 brushPos = new Vector3(commonUI.raycastHitUnderCursor.point.x, 0, commonUI.raycastHitUnderCursor.point.z);
FilterContext fc = new FilterContext(terrain, brushPos, commonUI.brushSize, commonUI.brushRotation);
fc.renderTextureCollection.GatherRenderTextures(heightmapContext.sourceRenderTexture.width, heightmapContext.sourceRenderTexture.height);
RenderTexture filterMaskRT = commonUI.GetBrushMask(fc, heightmapContext.sourceRenderTexture);
//Composite the brush texture onto the filter stack result
RenderTexture compRT = RenderTexture.GetTemporary(filterMaskRT.descriptor);
Material blendMat = GetBlendMaterial();
blendMat.SetTexture("_BlendTex", editContext.brushTexture);
blendMat.SetVector("_BlendParams", new Vector4(0.0f, 0.0f, -(commonUI.brushRotation * Mathf.Deg2Rad), 0.0f));
TerrainPaintUtility.SetupTerrainToolMaterialProperties(heightmapContext, brushTransform, blendMat);
Graphics.Blit(filterMaskRT, compRT, blendMat, 0);
RenderTexture.active = tmpRT;
BrushTransform identityBrushTransform = TerrainPaintUtility.CalculateBrushTransform(commonUI.terrainUnderCursor, commonUI.raycastHitUnderCursor.textureCoord, commonUI.brushSize, 0.0f);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(heightmapContext, identityBrushTransform, brushMaterial);
TerrainPaintUtilityEditor.DrawBrushPreview(heightmapContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, compRT, identityBrushTransform, brushMaterial, 0);
RenderTexture.ReleaseTemporary(compRT);
}
brushRender.RenderBrushPreview(heightmapContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, brushTransform, TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial(), 0);
}
}
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
Init();
// m_rtCollection.DebugGUI( editContext.sceneView );
brushUI.OnSceneGUI2D(terrain, editContext);
// only do the rest if user mouse hits valid terrain or they are using the
// brush parameter hotkeys to resize, etc
if (!editContext.hitValidTerrain && !brushUI.isInUse && !m_editTransform && !debugOrtho)
{
return;
}
// update brush UI group
brushUI.OnSceneGUI(terrain, editContext);
bool justPressedEditKey = m_editTransform && !m_prevEditTransform;
bool justReleaseEditKey = m_prevEditTransform && !m_editTransform;
m_prevEditTransform = m_editTransform;
if (justPressedEditKey)
{
(brushUI as MeshBrushUIGroup).LockTerrainUnderCursor(true);
m_baseHandlePos = brushUI.raycastHitUnderCursor.point;
m_handleHeightOffsetWS = 0;
}
else if (justReleaseEditKey)
{
(brushUI as MeshBrushUIGroup).UnlockTerrainUnderCursor();
m_handleHeightOffsetWS = 0;
}
// don't render mesh previews, etc. if the mesh field has not been populated yet
if (activeMesh == null)
{
return;
}
// dont render preview if this isnt a repaint. losing performance if we do
if (Event.current.type == EventType.Repaint)
{
Terrain currTerrain = brushUI.terrainUnderCursor;
Vector2 uv = brushUI.raycastHitUnderCursor.textureCoord;
float brushSize = brushUI.brushSize;
float brushRotation = brushUI.brushRotation;
if (/* debugOrtho || */ brushUI.isRaycastHitUnderCursorValid)
{
// if(debugOrtho)
// {
// uv = Vector2.one * .5f;
// }
BrushTransform brushTransform = TerrainPaintUtility.CalculateBrushTransform(currTerrain, uv, brushSize, brushRotation);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(brushUI.terrainUnderCursor, brushTransform.GetBrushXYBounds(), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
// don't draw the brush mask preview
// but draw the resulting mesh stamp preview
{
ApplyBrushInternal(terrain, ctx, brushTransform);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture,
m_rtCollection[RenderTextureIDs.meshStamp], brushTransform, material, 0);
RenderTexture.active = ctx.oldRenderTexture;
material.SetTexture("_HeightmapOrig", ctx.sourceRenderTexture);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(ctx, brushTransform, material);
TerrainPaintUtilityEditor.DrawBrushPreview(ctx, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture,
m_rtCollection[RenderTextureIDs.meshStamp], brushTransform, material, 1);
TerrainPaintUtility.ReleaseContextResources(ctx);
}
}
}
if (m_editTransform)
{
EditorGUI.BeginChangeCheck();
{
Vector3 prevHandlePosWS = m_baseHandlePos + Vector3.up * m_handleHeightOffsetWS;
// draw transform handles
float handleSize = HandleUtility.GetHandleSize(prevHandlePosWS);
toolSettings.scale = Handles.ScaleHandle(toolSettings.scale, prevHandlePosWS, toolSettings.rotation, handleSize * 1.5f);
Quaternion brushRotation = Quaternion.AngleAxis(brushUI.brushRotation, Vector3.up);
toolSettings.rotation = Handles.RotationHandle(toolSettings.rotation, prevHandlePosWS);
Vector3 currHandlePosWS = Handles.Slider(prevHandlePosWS, Vector3.up, handleSize, Handles.ArrowHandleCap, 1f);
float deltaHeight = (currHandlePosWS.y - prevHandlePosWS.y);
m_handleHeightOffsetWS += deltaHeight;
toolSettings.stampHeight += deltaHeight;
}
if (EditorGUI.EndChangeCheck())
{
editContext.Repaint();
SaveSettings();
}
}
}
public void RenderBrushPreview(PaintContext paintContext, TerrainPaintUtilityEditor.BrushPreview previewTexture, BrushTransform brushTransform, Material material, int pass)
{
TerrainPaintUtilityEditor.DrawBrushPreview(paintContext, previewTexture, brushTexture, brushTransform, material, pass);
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
Event evt = Event.current;
// brush rotation
if (evt.control && !evt.shift && evt.type == EventType.ScrollWheel)
{
m_BrushRotation += Event.current.delta.y;
if (m_BrushRotation >= 360)
{
m_BrushRotation -= 360;
}
if (m_BrushRotation < 0)
{
m_BrushRotation += 360;
}
m_BrushRotation %= 360;
evt.Use();
editContext.Repaint();
}
// brush resize
if (evt.control && evt.type == EventType.MouseDrag)
{
m_BrushSize += Event.current.delta.x;
evt.Use();
editContext.Repaint();
}
// stamp height
if (evt.control && evt.shift && evt.type == EventType.ScrollWheel)
{
m_StampHeight += Event.current.delta.y * k_mouseWheelToHeightRatio * editContext.raycastHit.distance;
evt.Use();
editContext.Repaint();
}
if (evt.type != EventType.Repaint)
{
return;
}
if (editContext.hitValidTerrain)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.raycastHit.textureCoord, m_BrushSize, m_BrushRotation);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
TerrainPaintUtilityEditor.DrawBrushPreview(paintContext, TerrainPaintUtilityEditor.BrushPreview.SourceRenderTexture, editContext.brushTexture, brushXform, material, 0);
ApplyBrushInternal(paintContext, m_BrushStrength, editContext.brushTexture, brushXform, terrain);
RenderTexture.active = paintContext.oldRenderTexture;
material.SetTexture("_HeightmapOrig", paintContext.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(paintContext, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture, editContext.brushTexture, brushXform, material, 1);
TerrainPaintUtility.ReleaseContextResources(paintContext);
}
#region BrushPreview3d
if (preview3dEnabled)
{
UpdateBrushPreview3d(editContext);
}
#endregion BrushPreview3d
}
public override void OnSceneGUI(Terrain terrain, IOnSceneGUI editContext)
{
// don't render mesh previews, etc. if the mesh field has not been populated yet
// or the mouse is not over a Terrain tile
if (m_Mesh == null || !editContext.hitValidTerrain)
{
return;
}
if (!Event.current.shift)
{
m_SceneRaycastHitPoint = editContext.raycastHit.point + new Vector3(0, m_StampHeight, 0);
}
if (m_LastBrushSize != (int)editContext.brushSize)
{
m_LastBrushSize = (int)editContext.brushSize;
CalculateBrushSizeToWorldScale();
}
Vector3 posTerrainSpace = m_SceneRaycastHitPoint - terrain.GetPosition();
PaintContext context = ApplyBrushInternal(terrain, new Vector2(posTerrainSpace.x, posTerrainSpace.z), 1);
Material material = TerrainPaintUtilityEditor.GetDefaultBrushPreviewMaterial();
// restore old render target
RenderTexture.active = context.oldRenderTexture;
material.SetTexture("_HeightmapOrig", context.sourceRenderTexture);
TerrainPaintUtilityEditor.DrawBrushPreview(context, TerrainPaintUtilityEditor.BrushPreview.DestinationRenderTexture,
editContext.brushTexture, brushXformIdentity,
material, 1);
TerrainPaintUtility.ReleaseContextResources(context);
// draw transform Handles for rot, scale, and height translation
if (Event.current.shift)
{
EditorGUI.BeginChangeCheck();
float size = HandleUtility.GetHandleSize(m_SceneRaycastHitPoint);
Vector3 scale = Handles.ScaleHandle(m_StampScale, m_SceneRaycastHitPoint, m_StampRotation, size * 1.5f);
scale.x = Mathf.Max(scale.x, 0.02f);
scale.y = Mathf.Max(scale.y, 0.02f);
scale.z = Mathf.Max(scale.z, 0.02f);
Quaternion rot = Handles.RotationHandle(m_StampRotation, m_SceneRaycastHitPoint);
Handles.DrawingScope drawingScope = new Handles.DrawingScope(Handles.yAxisColor);
float height = (Handles.Slider(m_SceneRaycastHitPoint, Vector3.up, size, Handles.ArrowHandleCap, 0.01f).y - m_SceneRaycastHitPoint.y) * 0.5f;
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(this, "Mesh Stamp Tool - Scaling Mesh");
m_StampScale = scale;
m_StampRotation = rot;
m_SceneRaycastHitPoint.y += height;
m_StampHeight += height;
RepaintInspector();
}
}
}
