public static void CombineMeshes(Queue <CombineInstance> items
, byte area
, InputGeometryCompiler compiler)
{
const int MaxTris = 65000;
List <CombineInstance> combineInstancesPart = new List <CombineInstance>();
byte[] areas = NMGen.CreateAreaBuffer(MaxTris, area);
while (items.Count != 0)
{
int vertCount = 0;
while (items.Count > 0 &&
(vertCount + items.Peek().mesh.vertexCount < MaxTris))
{
vertCount += items.Peek().mesh.vertexCount;
combineInstancesPart.Add(items.Dequeue());
}
Mesh meshPart = new Mesh();
meshPart.CombineMeshes(combineInstancesPart.ToArray(), true, true);
UnityEngine.Vector3[] vs = meshPart.vertices;
Vector3[] vvs = VectorHelper.ToVector3Array(ref vs);
compiler.AddTriangles(vvs, meshPart.vertexCount
, meshPart.triangles, areas, meshPart.triangles.Length / 3);
Object.DestroyImmediate(meshPart);
combineInstancesPart.Clear();
}
}
public static void CombineMeshes(Queue<CombineInstance> items
, byte area
, InputGeometryCompiler compiler)
{
const int MaxTris = 65000;
List<CombineInstance> combineInstancesPart = new List<CombineInstance>();
byte[] areas = NMGen.CreateAreaBuffer(MaxTris, area);
while (items.Count != 0)
{
int vertCount = 0;
while (items.Count > 0
&& (vertCount + items.Peek().mesh.vertexCount < MaxTris))
{
vertCount += items.Peek().mesh.vertexCount;
combineInstancesPart.Add(items.Dequeue());
}
Mesh meshPart = new Mesh();
meshPart.CombineMeshes(combineInstancesPart.ToArray(), true, true);
compiler.AddTriangles(meshPart.vertices, meshPart.vertexCount
, meshPart.triangles, areas, meshPart.triangles.Length / 3);
Object.DestroyImmediate(meshPart);
combineInstancesPart.Clear();
}
}
private void Compile(InputBuildContext context)
{
context.info.compilerCount++;
InputGeometryCompiler compiler = context.geomCompiler;
List <Component> items = context.components;
List <byte> areas = context.areas;
for (int i = 0; i < items.Count; i++)
{
Component item = items[i];
if (item is Terrain)
{
Terrain terrain = (Terrain)item;
if (terrain.terrainData != terrainData)
{
continue;
}
TriangleMesh mesh = TerrainUtil.TriangulateSurface(terrain, mResolution);
byte[] lareas = NMGen.CreateAreaBuffer(mesh.triCount, areas[i]);
if (compiler.AddTriangles(mesh, lareas))
{
string msg = string.Format("Compiled the {0} terrain surface. Triangles: {1}"
, terrain.name, mesh.triCount);
context.Log(msg, this);
}
else
{
string msg =
string.Format("Compiler rejected mesh for the {0} terrain.", terrain.name);
context.LogError(msg, this);
return;
}
if (includeTrees)
{
int before = compiler.TriCount;
TerrainUtil.TriangluateTrees(terrain, areas[i], compiler);
string msg = string.Format("Compiled the {0} terrain trees. Triangles: {1}"
, terrain.name, compiler.TriCount - before);
context.Log(msg, this);
}
break;
}
}
}
