public static void GenerateMesh(OceanRenderer ocean, int lodDataResolution, int geoDownSampleFactor, int lodCount)
{
if (lodCount < 1)
{
Debug.LogError("Invalid LOD count: " + lodCount.ToString(), ocean);
return;
}
#if UNITY_EDITOR
if (!UnityEditor.EditorApplication.isPlaying)
{
Debug.LogError("Ocean mesh meant to be (re)generated in play mode", ocean);
return;
}
#endif
int oceanLayer = LayerMask.NameToLayer(ocean.LayerName);
if (oceanLayer == -1)
{
Debug.LogError("Invalid ocean layer: " + ocean.LayerName + " please add this layer.", ocean);
oceanLayer = 0;
}
#if PROFILE_CONSTRUCTION
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
#endif
// create mesh data
Mesh[] meshInsts = new Mesh[(int)PatchType.Count];
// 4 tiles across a LOD, and support lowering density by a factor
var tileResolution = Mathf.Round(0.25f * lodDataResolution / geoDownSampleFactor);
for (int i = 0; i < (int)PatchType.Count; i++)
{
meshInsts[i] = BuildOceanPatch((PatchType)i, tileResolution);
}
ocean._lodTransform = ocean.gameObject.AddComponent <LodTransform>();
ocean._lodTransform.InitLODData(lodCount);
// Create the LOD data managers
ocean._lodDataAnimWaves = LodDataMgr.Create <LodDataMgrAnimWaves, SimSettingsAnimatedWaves>(ocean.gameObject, ref ocean._simSettingsAnimatedWaves);
if (ocean.CreateDynamicWaveSim)
{
ocean._lodDataDynWaves = LodDataMgr.Create <LodDataMgrDynWaves, SimSettingsWave>(ocean.gameObject, ref ocean._simSettingsDynamicWaves);
}
if (ocean.CreateFlowSim)
{
ocean._lodDataFlow = LodDataMgr.Create <LodDataMgrFlow, SimSettingsFlow>(ocean.gameObject, ref ocean._simSettingsFlow);
}
if (ocean.CreateFoamSim)
{
ocean._lodDataFoam = LodDataMgr.Create <LodDataMgrFoam, SimSettingsFoam>(ocean.gameObject, ref ocean._simSettingsFoam);
}
if (ocean.CreateShadowData)
{
ocean._lodDataShadow = LodDataMgr.Create <LodDataMgrShadow, SimSettingsShadow>(ocean.gameObject, ref ocean._simSettingsShadow);
}
if (ocean.CreateSeaFloorDepthData)
{
ocean._lodDataSeaDepths = ocean.gameObject.AddComponent <LodDataMgrSeaFloorDepth>();
}
if (ocean.CreateClipSurfaceData)
{
ocean._lodDataClipSurface = ocean.gameObject.AddComponent <LodDataMgrClipSurface>();
}
// Add any required GPU readbacks
{
var ssaw = ocean._simSettingsAnimatedWaves;
if (ssaw && ssaw.CollisionSource == SimSettingsAnimatedWaves.CollisionSources.ComputeShaderQueries)
{
ocean.gameObject.AddComponent <QueryDisplacements>();
}
if (ocean.CreateFlowSim)
{
ocean.gameObject.AddComponent <QueryFlow>();
}
}
// Remove existing LODs
for (int i = 0; i < ocean.transform.childCount; i++)
{
var child = ocean.transform.GetChild(i);
if (child.name.StartsWith("Tile_L"))
{
child.parent = null;
Object.Destroy(child.gameObject);
i--;
}
}
for (int i = 0; i < lodCount; i++)
{
CreateLOD(ocean, i, lodCount, meshInsts, lodDataResolution, geoDownSampleFactor, oceanLayer);
}
#if PROFILE_CONSTRUCTION
sw.Stop();
Debug.Log("Finished generating " + lodCount.ToString() + " LODs, time: " + (1000.0 * sw.Elapsed.TotalSeconds).ToString(".000") + "ms");
#endif
}
public static void GenerateMesh(OceanRenderer ocean, int lodDataResolution, int geoDownSampleFactor, int lodCount)
{
if (lodCount < 1)
{
Debug.LogError("Invalid LOD count: " + lodCount.ToString(), ocean);
return;
}
#if UNITY_EDITOR
if (!UnityEditor.EditorApplication.isPlaying)
{
Debug.LogError("Ocean mesh meant to be (re)generated in play mode", ocean);
return;
}
#endif
int oceanLayer = LayerMask.NameToLayer(ocean.LayerName);
if (oceanLayer == -1)
{
Debug.LogError("Invalid ocean layer: " + ocean.LayerName + " please add this layer.", ocean);
oceanLayer = 0;
}
#if PROFILE_CONSTRUCTION
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
#endif
// create mesh data
Mesh[] meshInsts = new Mesh[(int)PatchType.Count];
// 4 tiles across a LOD, and support lowering density by a factor
var tileResolution = Mathf.Round(0.25f * lodDataResolution / geoDownSampleFactor);
for (int i = 0; i < (int)PatchType.Count; i++)
{
meshInsts[i] = BuildOceanPatch((PatchType)i, tileResolution);
}
ocean._lods = new LodTransform[lodCount];
// Create the LOD data managers
ocean._lodDataAnimWaves = LodDataMgr.Create <LodDataMgrAnimWaves, SimSettingsAnimatedWaves>(ocean.gameObject, ref ocean._simSettingsAnimatedWaves);
if (ocean.CreateDynamicWaveSim)
{
ocean._lodDataDynWaves = LodDataMgr.Create <LodDataMgrDynWaves, SimSettingsWave>(ocean.gameObject, ref ocean._simSettingsDynamicWaves);
}
if (ocean.CreateFlowSim)
{
ocean._lodDataFlow = LodDataMgr.Create <LodDataMgrFlow, SimSettingsFlow>(ocean.gameObject, ref ocean._simSettingsFlow);
}
if (ocean.CreateFoamSim)
{
ocean._lodDataFoam = LodDataMgr.Create <LodDataMgrFoam, SimSettingsFoam>(ocean.gameObject, ref ocean._simSettingsFoam);
}
if (ocean.CreateShadowData)
{
ocean._lodDataShadow = LodDataMgr.Create <LodDataMgrShadow, SimSettingsShadow>(ocean.gameObject, ref ocean._simSettingsShadow);
}
if (ocean.CreateSeaFloorDepthData)
{
ocean._lodDataSeaDepths = ocean.gameObject.AddComponent <LodDataMgrSeaFloorDepth>();
}
// Add any required GPU readbacks
{
var ssaw = ocean._simSettingsAnimatedWaves;
if (ssaw && ssaw.CollisionSource == SimSettingsAnimatedWaves.CollisionSources.OceanDisplacementTexturesGPU)
{
ocean.gameObject.AddComponent <GPUReadbackDisps>();
}
if (ocean.CreateFlowSim)
{
var ssf = ocean._simSettingsFlow;
if (ssf && ssf._readbackData)
{
ocean.gameObject.AddComponent <GPUReadbackFlow>();
}
}
}
// Remove existing LODs
for (int i = 0; i < ocean.transform.childCount; i++)
{
var child = ocean.transform.GetChild(i);
if (child.name.StartsWith("LOD"))
{
child.parent = null;
Object.Destroy(child.gameObject);
i--;
}
}
int startLevel = 0;
for (int i = 0; i < lodCount; i++)
{
bool biggestLOD = i == lodCount - 1;
GameObject nextLod = CreateLOD(ocean, i, lodCount, biggestLOD, meshInsts, lodDataResolution, geoDownSampleFactor, oceanLayer);
nextLod.transform.parent = ocean.transform;
// scale only horizontally, otherwise culling bounding box will be scaled up in y
float horizScale = Mathf.Pow(2f, (float)(i + startLevel));
nextLod.transform.localScale = new Vector3(horizScale, 1f, horizScale);
}
#if PROFILE_CONSTRUCTION
sw.Stop();
Debug.Log("Finished generating " + parms._lodCount.ToString() + " LODs, time: " + (1000.0 * sw.Elapsed.TotalSeconds).ToString(".000") + "ms");
#endif
}
