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;
}
}
}
void OnSceneGUI(SceneView view)
{
TerrainCompiler targ = (TerrainCompiler)target;
if (!mDebugEnabled || mDebugTerrain == null)
{
// Nothing to do.
return;
}
Vector3 mousePos = Event.current.mousePosition;
Camera cam = Camera.current;
Ray ray = cam.ScreenPointToRay(new Vector3(mousePos.x, -mousePos.y + cam.pixelHeight));
Vector3 point = Vector3.zero;
RaycastHit hit;
if (Physics.Raycast(ray, out hit, 1000.0f))
{
Terrain terrain = hit.collider.gameObject.GetComponent <Terrain>();
if (terrain == mDebugTerrain)
{
point = hit.point;
}
}
if (mDebugPosition != point)
{
mDebugPosition = point;
SceneView.RepaintAll();
}
if (mDebugPosition == Vector3.zero)
{
return;
}
Color c = Color.yellow;
c.a = 0.25f;
int trash;
Vector3 scale = TerrainUtil.DeriveScale(mDebugTerrain, targ.Resolution, out trash, out trash);
float xmin = mDebugPosition.x - scale.x * mDebugZoneSize;
float zmin = mDebugPosition.z - scale.z * mDebugZoneSize;
float xmax = mDebugPosition.x + scale.x * mDebugZoneSize;
float zmax = mDebugPosition.z + scale.z * mDebugZoneSize;
TriangleMesh mesh = TerrainUtil.TriangulateSurface(mDebugTerrain
, xmin, zmin, xmax, zmax
, targ.Resolution
, mDebugOffset);
if (mesh != null)
{
DebugDraw.TriangleMesh(mesh.verts, mesh.tris, mesh.triCount, true, c);
}
}