private void DoImportTrees()
{
if (!ImportTreeInstancesOnly)
{
GTreePrototypeGroup treeGroup = DesData.Foliage.Trees;
if (treeGroup == null ||
treeGroup == GRuntimeSettings.Instance.foliageDefault.trees)
{
CreateNewTreePrototypesGroup = true;
}
if (CreateNewTreePrototypesGroup)
{
treeGroup = ScriptableObject.CreateInstance <GTreePrototypeGroup>();
#if UNITY_EDITOR
if (!Application.isPlaying)
{
string path = AssetDatabase.GetAssetPath(DesData);
string directory = Path.GetDirectoryName(path);
string filePath = Path.Combine(directory, string.Format("Trees_{0}_{1}.asset", DesData.Id, System.DateTime.Now.Ticks));
AssetDatabase.CreateAsset(treeGroup, filePath);
}
#endif
DesData.Foliage.Trees = treeGroup;
}
treeGroup.Prototypes.Clear();
TreePrototype[] treePrototypes = SrcData.treePrototypes;
for (int i = 0; i < treePrototypes.Length; ++i)
{
GTreePrototype proto = (GTreePrototype)treePrototypes[i];
treeGroup.Prototypes.Add(proto);
}
GCommon.SetDirty(treeGroup);
}
DesData.Foliage.TreeInstances.Clear();
TreeInstance[] treeInstances = SrcData.treeInstances;
for (int i = 0; i < treeInstances.Length; ++i)
{
GTreeInstance t = (GTreeInstance)treeInstances[i];
DesData.Foliage.TreeInstances.Add(t);
}
if (DesTerrain != null)
{
DesData.Foliage.SetTreeRegionDirty(GCommon.UnitRect);
DesTerrain.UpdateTreesPosition();
DesData.Foliage.ClearTreeDirtyRegions();
}
DesData.SetDirty(GTerrainData.DirtyFlags.Foliage);
//GC.Collect();
}
private bool IsInstancingEnabledForAllMaterials(GTreePrototype p)
{
if (!enableInstancing)
{
return(false);
}
if (p.SharedMaterials == null || p.SharedMaterials.Length == 0)
{
return(false);
}
for (int i = 0; i < p.SharedMaterials.Length; ++i)
{
if (!p.SharedMaterials[i].enableInstancing)
{
return(false);
}
}
return(true);
}
private void ConvertToTreePrototypeGroup()
{
GTreePrototypeGroup group = ScriptableObject.CreateInstance <GTreePrototypeGroup>();
for (int i = 0; i < instance.Prototypes.Count; ++i)
{
GameObject prefab = instance.Prototypes[i];
if (prefab != null)
{
group.Prototypes.Add(GTreePrototype.Create(prefab));
}
}
string path = AssetDatabase.GetAssetPath(instance);
string directory = Path.GetDirectoryName(path);
string filePath = Path.Combine(directory, string.Format("{0}_{1}_{2}.asset", instance.name, "Trees", GCommon.GetUniqueID()));
AssetDatabase.CreateAsset(group, filePath);
Selection.activeObject = group;
}
private void LateUpdate()
{
if (Terrain == null)
{
return;
}
if (Terrain.TerrainData == null)
{
return;
}
if (Terrain.TerrainData.Foliage.Trees == null)
{
return;
}
if (Terrain.TerrainData.Foliage.Trees.Prototypes.Count == 0)
{
return;
}
if (treeInstances == null || treeInstances.Length == 0)
{
return;
}
GameObject actualTarget = null;
if (Target != null)
{
actualTarget = Target;
}
else if (Camera.main != null)
{
actualTarget = Camera.main.gameObject;
}
if (actualTarget == null)
{
return;
}
Vector3 targetLocalPos = Terrain.transform.InverseTransformPoint(actualTarget.transform.position);
GTreeColliderCullJob job = new GTreeColliderCullJob()
{
instances = nativeTreeInstances,
cullResults = nativeCullResults,
maxDistance = distance,
targetPos = targetLocalPos
};
JobHandle handle = job.Schedule(nativeTreeInstances.Length, 100);
handle.Complete();
if (cullResults == null || cullResults.Length != nativeCullResults.Length)
{
cullResults = new bool[nativeCullResults.Length];
}
nativeCullResults.CopyTo(cullResults);
List <GTreePrototype> prototypes = Terrain.TerrainData.Foliage.Trees.Prototypes;
int colliderIndex = 0;
Vector3 terrainPos = Terrain.transform.position;
Vector3 worldPos = Vector3.zero;
if (terrain.TerrainData.Rendering.DrawTrees)
{
for (int i = 0; i < treeInstances.Length; ++i)
{
if (cullResults[i] == false)
{
continue;
}
GTreeInstance tree = treeInstances[i];
GTreePrototype prototype = prototypes[tree.prototypeIndex];
if (prototype.prefab == null)
{
continue;
}
if (!prototype.hasCollider)
{
continue;
}
CapsuleCollider col = GetCollider(colliderIndex);
colliderIndex += 1;
worldPos.Set(
tree.position.x + terrainPos.x,
tree.position.y + terrainPos.y,
tree.position.z + terrainPos.z);
col.transform.position = worldPos;
col.transform.rotation = tree.rotation;
col.transform.localScale = tree.scale;
GTreeColliderInfo colliderInfo = prototype.colliderInfo;
col.center = colliderInfo.center;
col.radius = colliderInfo.radius;
col.height = colliderInfo.height;
col.direction = colliderInfo.direction;
col.gameObject.layer = prototype.layer;
if (CopyTreeTag)
{
col.gameObject.tag = prototype.prefab.tag;
}
col.gameObject.SetActive(true);
}
}
int colliderCount = Colliders.Count;
for (int i = colliderIndex; i < colliderCount; ++i)
{
CapsuleCollider col = GetCollider(i);
col.gameObject.SetActive(false);
}
}
private void DrawInstanced(int prototypeIndex)
{
GTreePrototype proto = prototypes[prototypeIndex];
Mesh mesh = proto.sharedMesh;
Material[] materials = proto.sharedMaterials;
int submeshCount = prototypeCache[prototypeIndex].subMeshCount;
int drawCount = Mathf.Min(submeshCount, materials.Length);
Mesh billboardMesh = null;
Material billboardMaterial = null;
BillboardAsset billboard = proto.billboard;
if (billboard != null)
{
billboardMesh = GBillboardUtilities.GetMesh(billboard);
billboardMaterial = billboard.material;
}
bool canDrawInstanced = prototypeCache[prototypeIndex].canDrawInstanced;
bool canDrawBillboardInstanced = prototypeCache[prototypeIndex].canDrawBillboardInstanced;
batchInstanceCount = 0;
billboardBatchInstanceCount = 0;
int count = instancePrototypeIndices.Length;
for (int i = 0; i <= count; ++i)
{
if (i == count || batchInstanceCount == BATCH_MAX_INSTANCE_COUNT)
{
if (canDrawInstanced)
{
for (int d = 0; d < drawCount; ++d)
{
Graphics.DrawMeshInstanced(
mesh, d, materials[d],
batchContainer, batchInstanceCount, null,
proto.shadowCastingMode, proto.receiveShadow, proto.layer,
camera, LightProbeUsage.BlendProbes);
}
batchInstanceCount = 0;
}
}
if (i == count || billboardBatchInstanceCount == BATCH_MAX_INSTANCE_COUNT)
{
if (billboard != null && canDrawBillboardInstanced)
{
Graphics.DrawMeshInstanced(
billboardMesh, 0, billboardMaterial,
billboardBatchContainer, billboardBatchInstanceCount, null,
proto.billboardShadowCastingMode, proto.BillboardReceiveShadow, proto.layer,
camera, LightProbeUsage.BlendProbes);
billboardBatchInstanceCount = 0;
}
}
if (i == count)
{
break;
}
if (instanceCullResults[i] == CULLED)
{
continue;
}
if (instancePrototypeIndices[i] != prototypeIndex)
{
continue;
}
if (instanceCullResults[i] == VISIBLE)
{
if (canDrawInstanced)
{
batchContainer[batchInstanceCount] = instanceTransforms[i];
batchInstanceCount += 1;
}
else
{
for (int d = 0; d < drawCount; ++d)
{
Graphics.DrawMesh(
mesh, instanceTransforms[i], materials[d],
proto.layer, camera, d, null,
proto.shadowCastingMode, proto.receiveShadow,
null, LightProbeUsage.BlendProbes, null);
}
}
}
else if (instanceCullResults[i] == BILLBOARD && billboard != null)
{
if (canDrawBillboardInstanced)
{
billboardBatchContainer[billboardBatchInstanceCount] = instanceTransforms[i];
billboardBatchInstanceCount += 1;
}
else
{
Graphics.DrawMesh(
billboardMesh, instanceTransforms[i], billboardMaterial,
proto.layer, camera, 0, null,
proto.billboardShadowCastingMode, proto.BillboardReceiveShadow,
null, LightProbeUsage.BlendProbes, null);
}
}
}
}
private void InitFrame(Camera cam)
{
foliage = terrain.TerrainData.Foliage;
terrainPosition = terrain.transform.position;
terrainSize = terrain.TerrainData.Geometry.Size;
treeDistance = terrain.TerrainData.Rendering.TreeDistance;
billboardStart = terrain.TerrainData.Rendering.BillboardStart;
cullVolumeBias = GRuntimeSettings.Instance.renderingDefault.cullVolumeBias;
if (terrain.TerrainData.Foliage.Trees != null)
{
prototypes = terrain.TerrainData.Foliage.Trees.Prototypes;
}
else
{
prototypes = new List <GTreePrototype>();
}
if (prototypeCache == null || prototypeCache.Length != prototypes.Count)
{
prototypeCache = new PrototypeCache[prototypes.Count];
}
for (int i = 0; i < prototypes.Count; ++i)
{
GTreePrototype p = prototypes[i];
PrototypeCache cache = prototypeCache[i];
bool valid = prototypes[i].IsValid;
cache.validation = valid;
if (valid)
{
cache.subMeshCount = p.sharedMesh.subMeshCount;
cache.canDrawInstanced = IsInstancingEnabledForAllMaterials(p);
cache.canDrawBillboardInstanced =
p.billboard != null &&
p.billboard.material != null &&
p.billboard.material.enableInstancing;
}
if (p.billboard != null)
{
cache.billboardMesh = GBillboardUtilities.GetMesh(p.billboard);
}
if (p.billboard != null && p.billboard.material != null)
{
if (cache.billboardImageTexcoords == null ||
cache.billboardImageTexcoords.Length != p.billboard.imageCount)
{
cache.billboardImageTexcoords = p.billboard.GetImageTexCoords();
}
Material mat = p.billboard.material;
mat.SetVectorArray(BILLBOARD_IMAGE_TEXCOORDS, cache.billboardImageTexcoords);
mat.SetInt(BILLBOARD_IMAGE_COUNT, p.billboard.imageCount);
}
prototypeCache[i] = cache;
}
enableInstancing = terrain.TerrainData.Rendering.EnableInstancing && SystemInfo.supportsInstancing;
normalizedToLocalMatrix = Matrix4x4.Scale(terrainSize);
localToWorldMatrix = terrain.transform.localToWorldMatrix;
normalizedToWorldMatrix = localToWorldMatrix * normalizedToLocalMatrix;
camera = cam;
if (frustum == null)
{
frustum = new Plane[6];
}
GFrustumUtilities.Calculate(camera, frustum, treeDistance);
if (nearFrustumCorners == null)
{
nearFrustumCorners = new Vector3[4];
}
if (farFrustumCorners == null)
{
farFrustumCorners = new Vector3[4];
}
if (batchContainer == null)
{
batchContainer = new Matrix4x4[BATCH_MAX_INSTANCE_COUNT];
}
if (billboardBatchContainer == null)
{
billboardBatchContainer = new Matrix4x4[BATCH_MAX_INSTANCE_COUNT];
}
if (!isWarningLogged)
{
for (int i = 0; i < prototypes.Count; ++i)
{
if (!prototypes[i].IsValid)
{
string msg = string.Format(
"Tree prototye {0}: " +
"The prototype is not valid, make sure you've assigned a prefab with correct mesh and materials setup.",
i);
Debug.LogWarning(msg);
}
if (enableInstancing && prototypes[i].IsValid)
{
if (!IsInstancingEnabledForAllMaterials(prototypes[i]))
{
string msg = string.Format(
"Tree prototype {0} ({1}): " +
"Instancing need to be enabled for all materials for the renderer to work at its best. " +
"Otherwise it will fallback to non-instanced for this prototype.",
i, prototypes[i].Prefab.name);
Debug.LogWarning(msg);
}
if (prototypes[i].billboard != null &&
prototypes[i].billboard.material != null &&
prototypes[i].billboard.material.enableInstancing == false)
{
string msg = string.Format(
"Tree prototype {0} ({1}): " +
"Instancing need to be enabled for billboard material for the renderer to work at its best. " +
"Otherwise it will fallback to non-instanced for this prototype when render billboards.",
i, prototypes[i].Prefab.name);
Debug.LogWarning(msg);
}
}
}
isWarningLogged = true;
}
}
