public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GObjectPainterArgs args)
{
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
if (args.ActionType == GPainterActionType.Normal)
{
HandleSpawnObject(terrain, args);
}
else if (args.ActionType == GPainterActionType.Negative)
{
HandleEraseObject(terrain, args);
}
}
private void ProcessBrushDynamic(ref GObjectPainterArgs args)
{
Rand rand = GetRandomGenerator();
args.Radius -= BrushRadius * BrushRadiusJitter * (float)rand.NextDouble();
args.Rotation += Mathf.Sign((float)rand.NextDouble() - 0.5f) * BrushRotation * BrushRotationJitter * (float)rand.NextDouble();
args.Density -= Mathf.RoundToInt(BrushDensity * BrushDensityJitter * (float)rand.NextDouble());
Vector3 scatterDir = new Vector3((float)(rand.NextDouble() * 2 - 1), 0, (float)(rand.NextDouble() * 2 - 1)).normalized;
float scatterLengthMultiplier = BrushScatter - (float)rand.NextDouble() * BrushScatterJitter;
float scatterLength = args.Radius * scatterLengthMultiplier;
args.HitPoint += scatterDir * scatterLength;
}
public void Paint(GObjectPainterArgs args)
{
IGObjectPainter p = ActivePainter;
if (p == null)
{
return;
}
args.Radius = BrushRadius;
args.Rotation = BrushRotation;
args.Density = BrushDensity;
args.EraseRatio = EraseRatio;
args.ScaleStrength = ScaleStrength;
args.CustomArgs = CustomPainterArgs;
args.Filters = GetComponents <GSpawnFilter>();
if (SelectedBrushMaskIndex >= 0 && SelectedBrushMaskIndex < BrushMasks.Count)
{
args.Mask = BrushMasks[SelectedBrushMaskIndex];
}
if (SelectedPrototypeIndices.Count == 0)
{
return;
}
args.Prototypes = Prototypes;
args.PrototypeIndices = SelectedPrototypeIndices;
args.EnableTerrainMask = EnableTerrainMask;
ProcessBrushDynamic(ref args);
Vector3[] corners = GCommon.GetBrushQuadCorners(args.HitPoint, args.Radius, args.Rotation);
args.WorldPointCorners = corners;
IEnumerator <GStylizedTerrain> terrains = GStylizedTerrain.ActiveTerrains.GetEnumerator();
while (terrains.MoveNext())
{
if (terrains.Current.GroupId != GroupId && GroupId >= 0)
{
continue;
}
GStylizedTerrain t = terrains.Current;
p.Paint(t, args);
}
}
private void Paint(RaycastHit hit)
{
GObjectPainterArgs args = new GObjectPainterArgs();
args.HitPoint = hit.point;
args.Collider = hit.collider;
args.Transform = hit.transform;
args.UV = hit.textureCoord;
args.TriangleIndex = hit.triangleIndex;
args.BarycentricCoord = hit.barycentricCoordinate;
args.Distance = hit.distance;
args.Normal = hit.normal;
args.LightMapCoord = hit.lightmapCoord;
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;
painter.Paint(args);
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GObjectPainterArgs args)
{
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D clonedMask = null;
Texture2D terrainMask = null;
if (args.Mask != null)
{
clonedMask = GCommon.CloneAndResizeTexture(args.Mask, 256, 256);
}
if (args.EnableTerrainMask)
{
terrainMask = terrain.TerrainData.Mask.MaskMap;
}
int multiplier = args.ActionType == GPainterActionType.Normal ? 1 : -1;
int prototypeIndex = -1;
Vector2 terrainUv = Vector2.zero;
Vector3 worldPos = Vector3.zero;
Vector3 bary0 = Vector3.zero;
Vector3 bary1 = Vector3.zero;
Vector2 maskUv = Vector2.zero;
Color maskColor = Color.white;
Vector3 scale = Vector3.zero;
for (int i = 0; i < args.PrototypeIndices.Count; ++i)
{
prototypeIndex = args.PrototypeIndices[i];
if (prototypeIndex < 0 || prototypeIndex >= args.Prototypes.Count)
{
continue;
}
GameObject g = args.Prototypes[prototypeIndex];
if (g == null)
{
continue;
}
GameObject root = GSpawner.GetRoot(terrain, g);
Transform[] instances = GUtilities.GetChildrenTransforms(root.transform);
int instanceCount = instances.Length;
for (int j = 0; j < instanceCount; ++j)
{
worldPos = instances[j].position;
GUtilities.CalculateBarycentricCoord(
new Vector2(worldPos.x, worldPos.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[1].x, args.WorldPointCorners[1].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
ref bary0);
GUtilities.CalculateBarycentricCoord(
new Vector2(worldPos.x, worldPos.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
new Vector2(args.WorldPointCorners[3].x, args.WorldPointCorners[3].z),
ref bary1);
if (bary0.x >= 0 && bary0.y >= 0 && bary0.z >= 0)
{
maskUv = bary0.x * Vector2.zero + bary0.y * Vector2.up + bary0.z * Vector2.one;
}
else if (bary1.x >= 0 && bary1.y >= 0 && bary1.z >= 0)
{
maskUv = bary1.x * Vector2.zero + bary1.y * Vector2.one + bary1.z * Vector2.right;
}
else
{
continue;
}
if (clonedMask != null)
{
maskColor = clonedMask.GetPixelBilinear(maskUv.x, maskUv.y);
if (Random.value > maskColor.grayscale)
{
continue;
}
}
if (args.EnableTerrainMask)
{
terrainUv = terrain.WorldPointToUV(worldPos);
maskColor = terrainMask.GetPixelBilinear(terrainUv.x, terrainUv.y);
if (Random.value < maskColor.r)
{
continue;
}
}
scale.Set(
Mathf.Max(0, instances[j].transform.localScale.x + multiplier * maskColor.grayscale * args.ScaleStrength * GUtilities.DELTA_TIME),
Mathf.Max(0, instances[j].transform.localScale.y + multiplier * maskColor.grayscale * args.ScaleStrength * GUtilities.DELTA_TIME),
Mathf.Max(0, instances[j].transform.localScale.z + multiplier * maskColor.grayscale * args.ScaleStrength * GUtilities.DELTA_TIME));
GSpawnFilterArgs filterArgs = GSpawnFilterArgs.Create();
filterArgs.Terrain = terrain;
filterArgs.Position = worldPos;
filterArgs.Rotation = instances[j].transform.rotation;
filterArgs.Scale = scale;
List <Type> suitableFilter = SuitableFilterTypes;
if (args.Filters != null)
{
for (int fIndex = 0; fIndex < args.Filters.Length; ++fIndex)
{
if (args.Filters[fIndex] != null &&
args.Filters[fIndex].Ignore != true)
{
if (suitableFilter.Contains(args.Filters[fIndex].GetType()))
{
args.Filters[fIndex].Apply(ref filterArgs);
}
}
if (filterArgs.ShouldExclude)
{
break;
}
}
}
instances[j].transform.localScale = filterArgs.Scale;
}
}
}
private void HandleSpawnObject(GStylizedTerrain terrain, GObjectPainterArgs args)
{
int prototypeIndex = -1;
Vector3 randomPos = Vector3.zero;
Vector3 rayOrigin = Vector3.zero;
Vector3 rayDirection = Vector3.down;
float sqrtTwo = Mathf.Sqrt(2);
Ray ray = new Ray();
RaycastHit samplePoint;
Vector3 bary0 = Vector3.zero;
Vector3 bary1 = Vector3.zero;
Vector2 maskUv = Vector2.zero;
Color maskColor = Color.white;
Texture2D clonedMask = null;
if (args.Mask != null)
{
clonedMask = GCommon.CloneAndResizeTexture(args.Mask, 256, 256);
}
for (int i = 0; i < args.Density; ++i)
{
prototypeIndex = args.PrototypeIndices[Random.Range(0, args.PrototypeIndices.Count)];
if (prototypeIndex < 0 || prototypeIndex >= args.Prototypes.Count)
{
continue;
}
GameObject g = args.Prototypes[prototypeIndex];
if (g == null)
{
continue;
}
randomPos = args.HitPoint + Random.insideUnitSphere * args.Radius * sqrtTwo;
rayOrigin.Set(
randomPos.x,
10000,
randomPos.z);
ray.origin = rayOrigin;
ray.direction = rayDirection;
if (terrain.Raycast(ray, out samplePoint, float.MaxValue))
{
GUtilities.CalculateBarycentricCoord(
new Vector2(samplePoint.point.x, samplePoint.point.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[1].x, args.WorldPointCorners[1].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
ref bary0);
GUtilities.CalculateBarycentricCoord(
new Vector2(samplePoint.point.x, samplePoint.point.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
new Vector2(args.WorldPointCorners[3].x, args.WorldPointCorners[3].z),
ref bary1);
if (bary0.x >= 0 && bary0.y >= 0 && bary0.z >= 0)
{
maskUv = bary0.x * Vector2.zero + bary0.y * Vector2.up + bary0.z * Vector2.one;
}
else if (bary1.x >= 0 && bary1.y >= 0 && bary1.z >= 0)
{
maskUv = bary1.x * Vector2.zero + bary1.y * Vector2.one + bary1.z * Vector2.right;
}
else
{
continue;
}
//sample mask
if (clonedMask != null)
{
maskColor = clonedMask.GetPixelBilinear(maskUv.x, maskUv.y);
if (Random.value > maskColor.grayscale)
{
continue;
}
}
//apply filter
GSpawnFilterArgs filterArgs = GSpawnFilterArgs.Create();
filterArgs.Terrain = terrain;
filterArgs.Position = samplePoint.point;
filterArgs.SurfaceNormal = samplePoint.normal;
filterArgs.SurfaceTexcoord = samplePoint.textureCoord;
List <Type> suitableFilter = SuitableFilterTypes;
if (args.Filters != null)
{
for (int fIndex = 0; fIndex < args.Filters.Length; ++fIndex)
{
if (args.Filters[fIndex] != null &&
args.Filters[fIndex].Ignore != true)
{
if (suitableFilter.Contains(args.Filters[fIndex].GetType()))
{
args.Filters[fIndex].Apply(ref filterArgs);
}
}
if (filterArgs.ShouldExclude)
{
break;
}
}
}
//spawn
if (filterArgs.ShouldExclude)
{
continue;
}
//spawn here
GameObject instance = GSpawner.Spawn(terrain, g, samplePoint.point);
instance.transform.position = filterArgs.Position;
instance.transform.rotation = filterArgs.Rotation;
instance.transform.localScale = filterArgs.Scale;
}
}
if (clonedMask != null)
{
Object.DestroyImmediate(clonedMask);
}
}
private void HandleEraseObject(GStylizedTerrain terrain, GObjectPainterArgs args)
{
int prototypeIndex = -1;
Vector3 localPos = Vector3.zero;
Vector3 worldPos = Vector3.zero;
Vector3 bary0 = Vector3.zero;
Vector3 bary1 = Vector3.zero;
Vector2 maskUv = Vector2.zero;
Color maskColor = Color.white;
Texture2D clonedMask = null;
if (args.Mask != null)
{
clonedMask = GCommon.CloneAndResizeTexture(args.Mask, 256, 256);
}
for (int i = 0; i < args.PrototypeIndices.Count; ++i)
{
prototypeIndex = args.PrototypeIndices[i];
if (prototypeIndex < 0 || prototypeIndex >= args.Prototypes.Count)
{
continue;
}
GameObject g = args.Prototypes[prototypeIndex];
if (g == null)
{
continue;
}
GSpawner.DestroyIf(terrain, g, (instance =>
{
worldPos = instance.transform.position;
GUtilities.CalculateBarycentricCoord(
new Vector2(worldPos.x, worldPos.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[1].x, args.WorldPointCorners[1].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
ref bary0);
GUtilities.CalculateBarycentricCoord(
new Vector2(worldPos.x, worldPos.z),
new Vector2(args.WorldPointCorners[0].x, args.WorldPointCorners[0].z),
new Vector2(args.WorldPointCorners[2].x, args.WorldPointCorners[2].z),
new Vector2(args.WorldPointCorners[3].x, args.WorldPointCorners[3].z),
ref bary1);
if (bary0.x >= 0 && bary0.y >= 0 && bary0.z >= 0)
{
maskUv = bary0.x * Vector2.zero + bary0.y * Vector2.up + bary0.z * Vector2.one;
}
else if (bary1.x >= 0 && bary1.y >= 0 && bary1.z >= 0)
{
maskUv = bary1.x * Vector2.zero + bary1.y * Vector2.one + bary1.z * Vector2.right;
}
else
{
return(false);
}
//sample mask
if (clonedMask != null)
{
maskColor = clonedMask.GetPixelBilinear(maskUv.x, maskUv.y);
if (Random.value > maskColor.grayscale * args.EraseRatio)
{
return(false);
}
}
return(true);
}));
}
if (clonedMask != null)
{
Object.DestroyImmediate(clonedMask);
}
}
