private void updateTerrainDestroy(WorldSector sector)
{
if (sector.is_rendered)
{
rTerrain.discardSector(sector);
}
}
public override void Init()
{
instance = this;
clients = new ClientNode[CConstVar.MAX_CLIENTS];
for(int i = 0; i < CConstVar.MAX_CLIENTS; i++){
clients[i] = new ClientNode();
}
svEntities = new SvEntityState[CConstVar.MAX_GENTITIES];
for(int i = 0; i < CConstVar.MAX_GENTITIES; i++){
svEntities[i] = new SvEntityState();
}
// gEntities = new SharedEntity[CConstVar.MAX_GENTITIES];
// for(int i = 0; i < CConstVar.MAX_GENTITIES; i++){
// gEntities[i] = new SharedEntity();
// }
worldSectors = new WorldSector[64];
for(int i = 0; i < 64; i++){
worldSectors[i] = new WorldSector();
}
configString = new string[CConstVar.MAX_CONFIGSTRINGS];
serverRunning = false;
challenges = new SvChallenge[CConstVar.MAX_CHALLENGES];
for(int i = 0; i < CConstVar.MAX_CHALLENGES; i++){
challenges[i] = new SvChallenge();
}
numSnapshotEntities = CConstVar.MAX_CLIENTS * CConstVar.PACKET_BACKUP * CConstVar.MAX_SNAPSHOT_ENTITIES;
snapshotEntities = new EntityState[numSnapshotEntities];
inited = true;
}
public void UnLinkEntity(GameEntity gEnt){
SvEntityState ent = GetSvEntityForGentity(gEnt);
gEnt.sEnt.r.linked = false;
WorldSector ws = ent.worldSector;
if(ws == null){
return;
}
ent.worldSector = null;
if(ws.entities == ent){
ws.entities = ent.nextEntityInWorldSector;
return;
}
SvEntityState scan;
for(scan = ws.entities; scan != null; scan = scan.nextEntityInWorldSector){
if(scan.nextEntityInWorldSector == ent){
scan.nextEntityInWorldSector = ent.nextEntityInWorldSector;
return;
}
}
CLog.Warning("UnlinkEntity: not found in worldSector!");
}
public SectorLevels(int sector_x, int sector_z, WorldSector parent)
{
x = sector_x;
z = sector_z;
levels = new List<WorldSectorLevel>();
this.parent = parent;
}
public static WorldChunk GetChunkFromSector(WorldSector sector)
{
return World.GetChunk (
sector.x / GameSettings.LoadedConfig.ChunkLength_Sectors,
sector.z / GameSettings.LoadedConfig.ChunkLength_Sectors
);
}
private void UnloadSector(Vector2Int position)
{
WorldSector sector = loadedSectors[position];
Destroy(sector.gameObject);
loadedSectors.Remove(position);
}
private void updateTerrainCreate(WorldSector sector)
{
if (!sector.is_rendered)
{
rTerrain.setupSector(sector);
}
}
/*
* Function: discardSector
*
* Parameters: WorldSector:<sector>
*
* Returns: void
*
* -Returns <sector>s rendered GameObject to the <terrainObjectPool>.
* -Unlinks references between <sector> and the GameObject
*/
public void discardSector(WorldSector sector)
{
terrainObjectPool.push (sector.terrainGameObject);
sector.unlinkGameObject ();
//TESTS
TestUtils.active_r_trns--;
}
/*
* Function: discardSector
*
* Parameters: WorldSector:<sector>
*
* Returns: void
*
* -Returns <sector>s rendered GameObject to the <terrainObjectPool>.
* -Unlinks references between <sector> and the GameObject
*/
public void discardSector(WorldSector sector)
{
terrainObjectPool.push(sector.terrainGameObject);
sector.unlinkGameObject();
//TESTS
TestUtils.active_r_trns--;
}
/*
* Function: moveObjToSector
*
* Parameters: GActor:<obj>, WorldSector:<sector>
*
* Returns: void
*
* -Places the reference for <obj> into <sector>.
* -If <obj>s reference is already contained by another sector, it is first removed from the old sector.
* -The reference to <obj> is stored in <sector>s <Contained_Objects> property.
* -Since only GActors are stored in sectors, <obj> must be of type GActor. All other GObjects are stored in tiles.
*/
public void moveObjToSector(GActor obj, WorldSector sector)
{
if (obj.sector != null)
{
// object belongs to a sector
removeObjFromSector(obj);
}
addObjToSector(obj, sector);
}
void addObjToSector(GActor obj, WorldSector sector)
{
if (obj.sector == null)
{
// object does not belong to a sector
obj.sector = sector;
sector.Contained_Objects.addObject(obj);
}
}
public WorldSectorLevel(int sector_x, int level_y, int sector_z, WorldSector parent)
{
x = sector_x;
z = sector_z;
y = level_y;
this.parent = parent;
initCells();
}
/*
* END OF RENDER UPDATE OPERATIONS
*/
public bool sectorIsContained(WorldSector needle, List <WorldSector> haystack)
{
for (int i = 0; i < haystack.Count; ++i)
{
if (needle == haystack[i])
{
return(true);
}
}
return(false);
}
private void setTileUvs(int tile_index, Vector2[] uvs, WorldSector sector, int tile_index_x, int tile_index_y)
{
Vector2 abs_indexes = new Vector2(sector.lower_boundary_x + tile_index_x, sector.lower_boundary_y + tile_index_y);
GTile tile = GameData.GData.getTile(abs_indexes);
Vector2[] uvCoords = texMan.getUvCoords(texMan.getRandomTexture(tile.biome.type));
//Vector2[] uvCoords = texMan.getUvCoords(UnityEngine.Random.Range(0, texMan.grid_cells_x), UnityEngine.Random.Range (0, texMan.grid_cells_y));
uvs [4 * tile_index + (int)TileVertices.topLeft] = new Vector2(uvCoords[0].x, uvCoords[0].y);
uvs [4 * tile_index + (int)TileVertices.topRight] = new Vector2(uvCoords[0].x, uvCoords[1].y);
uvs [4 * tile_index + (int)TileVertices.bottomRight] = new Vector2(uvCoords[1].x, uvCoords[1].y);
uvs [4 * tile_index + (int)TileVertices.bottomLeft] = new Vector2(uvCoords[1].x, uvCoords[0].y);
}
/*
* Attempts to place the GActor instance at <point>. If successful true is returned. False is returned otherwise.
* If placement is succesful and the new point is part of a different sector, moves the GActor reference to the new sector.
*/
public override bool placeAtPoint(Vector2 point)
{
if (base.placeAtPoint(point))
{
WorldSector sec = GameData.GData.getSectorFromWorldPoint(point);
if (sec != sector)
{
GameData.GData.moveObjToSector(this, sec);
}
return(true);
}
return(false);
}
/*
* Function: setupSector
*
* Parameters: WorldSector:<sector>
*
* Returns: void
*
* -Obtains a new GameObject from the <terrainObjectPool>, which will be used to render <sector>s terrain.
* -Initializes the GameObjects attributes and links references between <sector> and the GameObject
* -Sets the GameObjects position.
*/
public void setupSector(WorldSector sector)
{
float sector_width = GameController.DataSettings.sector_size * GameController.DataSettings.tile_width;
GameObject obj = getNewTerrainObject();
obj.name = sector.gameObjectName;
setupObject(obj, sector);
obj.transform.position = new Vector3 (
sector.index_x * sector_width + sector_width,
sector.index_y * sector_width,
GameRenderer.GRenderer.getZUnitsTerrain()
);
sector.linkGameObject (obj);
//TESTS
TestUtils.active_r_trns++;
}
/*
* Function: setupSector
*
* Parameters: WorldSector:<sector>
*
* Returns: void
*
* -Obtains a new GameObject from the <terrainObjectPool>, which will be used to render <sector>s terrain.
* -Initializes the GameObjects attributes and links references between <sector> and the GameObject
* -Sets the GameObjects position.
*/
public void setupSector(WorldSector sector)
{
float sector_width = GameController.DataSettings.sector_size * GameController.DataSettings.tile_width;
GameObject obj = getNewTerrainObject();
obj.name = sector.gameObjectName;
setupObject(obj, sector);
obj.transform.position = new Vector3(
sector.index_x * sector_width + sector_width,
sector.index_y * sector_width,
GameRenderer.GRenderer.getZUnitsTerrain()
);
sector.linkGameObject(obj);
//TESTS
TestUtils.active_r_trns++;
}
public void LinkEntity(GameEntity gEnt){
int i,j,k;
SvEntityState ent = GetSvEntityForGentity(gEnt);
if(ent.worldSector != null){
UnLinkEntity(gEnt);
}
if(gEnt.sEnt.r.bmodel){
gEnt.sEnt.s.solid = CConstVar.SOLID_BMODEL;
}else if((gEnt.sEnt.r.contents & (CConstVar.CONTENTS_SOLID | CConstVar.CONTENTS_BODY)) > 0){
i = (int)gEnt.sEnt.r.maxs[0];
if(i < 1){
i = 1;
}
if(i > 255){
i = 255;
}
}
Vector3 origin = gEnt.sEnt.r.currentOrigin;
Vector3 angles = gEnt.sEnt.r.currentAngles;
// if(gEnt.sEnt.r.bmodel && (angles[0] > 0f || angles[1] > 0f || angles[2] > 0f)){
// flo
// }
ent.numClusters = 0;
// ent.lastclu
gEnt.sEnt.r.linkCount++;
WorldSector node = worldSectors[0];
while(true){
if(node.axis == -1){
break;
}
if(gEnt.sEnt.r.absmin[node.axis] > node.dist){
node = node.children[0];
}else if(gEnt.sEnt.r.absmax[node.axis] < node.dist){
node = node.children[1];
}else
{
break;
}
}
ent.worldSector = node;
ent.nextEntityInWorldSector = node.entities;
node.entities = ent;
gEnt.sEnt.r.linked = true;
}
private Mesh generateMesh(int tile_count, float tile_width, WorldSector sector)
{
Mesh mesh = new Mesh ();
mesh.Clear ();
mesh.name = "TerrainMesh";
Vector3[] vertices = new Vector3[4 * tile_count];
int[] triangles = new int[6 * tile_count];
Vector2[] uvs = new Vector2[4 * tile_count];
int side_length = (int)Mathf.Sqrt(tile_count);
for(int i = 0; i < tile_count; ++i) {
int index_y = i / side_length;
int index_x = i % side_length;
float origin_x = index_x * tile_width;
float origin_y = index_y * tile_width;
setTileVertices(i,
new Vector3( origin_x, origin_y, 0),
new Vector3( origin_x + tile_width, origin_y, 0),
new Vector3( origin_x + tile_width, origin_y + tile_width, 0),
new Vector3( origin_x, origin_y + tile_width, 0),
vertices
);
setTileTriangles(i, triangles);
setTileUvs(i, uvs, sector, index_x, index_y);
}
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.uv = uvs;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
mesh.Optimize ();
return mesh;
}
private Mesh generateMesh(int tile_count, float tile_width, WorldSector sector)
{
Mesh mesh = new Mesh();
mesh.Clear();
mesh.name = "TerrainMesh";
Vector3[] vertices = new Vector3[4 * tile_count];
int[] triangles = new int[6 * tile_count];
Vector2[] uvs = new Vector2[4 * tile_count];
int side_length = (int)Mathf.Sqrt(tile_count);
for (int i = 0; i < tile_count; ++i)
{
int index_y = i / side_length;
int index_x = i % side_length;
float origin_x = index_x * tile_width;
float origin_y = index_y * tile_width;
setTileVertices(i,
new Vector3(origin_x, origin_y, 0),
new Vector3(origin_x + tile_width, origin_y, 0),
new Vector3(origin_x + tile_width, origin_y + tile_width, 0),
new Vector3(origin_x, origin_y + tile_width, 0),
vertices
);
setTileTriangles(i, triangles);
setTileUvs(i, uvs, sector, index_x, index_y);
}
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.uv = uvs;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
mesh.Optimize();
return(mesh);
}
private void setupDataStructures()
{
// init tiles
worldTiles = new GTile[GameController.DataSettings.world_size, GameController.DataSettings.world_size];
for (int x = 0; x < GameController.DataSettings.world_size; ++x)
{
for (int y = 0; y < GameController.DataSettings.world_size; ++y)
{
worldTiles[x, y] = new GTile(x, y);
}
}
// init sectors
sectorsWithinRange = new List <WorldSector> ();
if (GameController.DataSettings.world_size % GameController.DataSettings.sector_size != 0)
{
Debug.LogError("Invalid sector size: Must be multiple of world size");
}
else
{
worldSectors = new WorldSector[GameController.DataSettings.world_side_sectors, GameController.DataSettings.world_side_sectors];
for (int x = 0; x < GameController.DataSettings.world_side_sectors; ++x)
{
for (int y = 0; y < GameController.DataSettings.world_side_sectors; ++y)
{
worldSectors[x, y] = new WorldSector(
x,
y,
x * GameController.DataSettings.sector_size,
x * GameController.DataSettings.sector_size + GameController.DataSettings.sector_size,
y * GameController.DataSettings.sector_size,
y * GameController.DataSettings.sector_size + GameController.DataSettings.sector_size
);
}
}
}
}
private void LoadSector(Vector2Int position)
{
WorldSector sector = Instantiate(sectorPrefab, new Vector3(position.x * 255, 0, position.y * 255), Quaternion.identity, transform)
.GetComponent <WorldSector>();
sector.sectorPosition = position;
Vector2 localHeightPosition = perlinPosition + position;
localHeightPosition /= localHeightZoom;
float newLocalHeight = Mathf.PerlinNoise(localHeightPosition.x, localHeightPosition.y);
newLocalHeight = newLocalHeight * localHeightRange + localHeightMin;
if (newLocalHeight < 0)
{
newLocalHeight *= yMultiplierUnder0;
}
sector.localHeight = newLocalHeight;
loadedSectors[position] = sector;
sector.height = height;
if (newLocalHeight < 0)
{
sector.yAdjust = yAdditionUnder0;
}
sector.perlinPosition = perlinPosition + position * 255;
sector.zoom = zoom;
sector.octaves = octaves;
float[][] borders = new float[4][] { null, null, null, null };
Mesh borderMesh;
if (loadedSectors.ContainsKey(position + Vector2Int.up))
{
borders[0] = new float[256];
borderMesh = loadedSectors[position + Vector2Int.up].GetComponent <MeshFilter>().sharedMesh;
for (int i = 0; i < 256; i++)
{
borders[0][i] = borderMesh.vertices[65280 + i].y;
}
}
if (loadedSectors.ContainsKey(position + Vector2Int.left))
{
borders[1] = new float[256];
borderMesh = loadedSectors[position + Vector2Int.left].GetComponent <MeshFilter>().sharedMesh;
for (int i = 0; i < 256; i++)
{
borders[1][i] = borderMesh.vertices[256 * i].y;
}
}
if (loadedSectors.ContainsKey(position + Vector2Int.right))
{
borders[2] = new float[256];
borderMesh = loadedSectors[position + Vector2Int.right].GetComponent <MeshFilter>().sharedMesh;
for (int i = 0; i < 256; i++)
{
borders[2][i] = borderMesh.vertices[255 + 256 * i].y;
}
}
if (loadedSectors.ContainsKey(position + Vector2Int.down))
{
borders[3] = new float[256];
borderMesh = loadedSectors[position + Vector2Int.down].GetComponent <MeshFilter>().sharedMesh;
for (int i = 0; i < 256; i++)
{
borders[3][i] = borderMesh.vertices[i].y;
}
}
sector.GenerateSectorMesh(borders);
}
/*
* Function: setupObject
*
* Parameters: GameObject:<obj>, WorldSector:<sector>
*
* Returns: void
*
* Assigns a material and mesh to <obj> in relation to the data contained in <sector>
*/
private void setupObject(GameObject obj, WorldSector sector)
{
obj.GetComponent<MeshRenderer> ().material = texMan.terrain_material;
//obj.GetComponent<MeshRenderer> ().material.mainTexture = texMan.terrain_sprite.texture;
obj.GetComponent<MeshFilter> ().mesh = generateMesh (GameController.DataSettings.sector_size * GameController.DataSettings.sector_size, GameController.DataSettings.tile_width, sector);
}
private void setTileUvs(int tile_index, Vector2[] uvs, WorldSector sector, int tile_index_x, int tile_index_y)
{
Vector2 abs_indexes = new Vector2 (sector.lower_boundary_x + tile_index_x, sector.lower_boundary_y + tile_index_y);
GTile tile = GameData.GData.getTile (abs_indexes);
Vector2[] uvCoords = texMan.getUvCoords (texMan.getRandomTexture(tile.biome.type));
//Vector2[] uvCoords = texMan.getUvCoords(UnityEngine.Random.Range(0, texMan.grid_cells_x), UnityEngine.Random.Range (0, texMan.grid_cells_y));
uvs [4 * tile_index + (int)TileVertices.topLeft] = new Vector2 (uvCoords[0].x, uvCoords[0].y);
uvs [4 * tile_index + (int)TileVertices.topRight] = new Vector2 (uvCoords[0].x, uvCoords[1].y);
uvs [4 * tile_index + (int)TileVertices.bottomRight] = new Vector2 (uvCoords[1].x, uvCoords[1].y);
uvs [4 * tile_index + (int)TileVertices.bottomLeft] = new Vector2 (uvCoords[1].x, uvCoords[0].y);
}
static void GenerateSector(WorldSector sector)
{
for (int i = 0; i < sector.getAllLevels().Count; ++i) {
GenerateSectorLevel(sector.getAllLevels()[i]);
}
}
private void updateTerrainTint(WorldSector sector)
{
}
private void updateTerrainTint(WorldSector sector)
{
}
private void updateTerrainBrightness(WorldSector sector)
{
}
/*
* END OF RENDER UPDATE OPERATIONS
*/
public bool sectorIsContained(WorldSector needle, List<WorldSector> haystack)
{
for (int i = 0; i < haystack.Count; ++i) {
if(needle == haystack[i]) {
return true;
}
}
return false;
}
/*
* Add operation on all objects in sector to a render update queue
*/
public void ScheduleUpdateOnSectorObjects(RenderObjectUpdateOperations operation, WorldSector sector)
{
for (int x = sector.lower_boundary_x; x < sector.upper_boundary_x; ++x)
{
for (int y = sector.lower_boundary_y; y < sector.upper_boundary_y; ++y)
{
GTile tile = GameData.GData.getTile(new Vector2(x, y));
// schedule structures
for (int i = 0; i < tile.Contained_Objects.structures.all.count(); ++i)
{
ScheduleObjectUpdate(operation, tile.Contained_Objects.structures.all.getObjectAt(i));
}
// schedule items
for (int i = 0; i < tile.Contained_Objects.items.all.count(); ++i)
{
ScheduleObjectUpdate(operation, tile.Contained_Objects.items.all.getObjectAt(i));
}
}
}
// schedule actors
for (int i = 0; i < sector.Contained_Objects.actors.all.count(); ++i)
{
ScheduleObjectUpdate(operation, sector.Contained_Objects.actors.all.getObjectAt(i));
}
}
/*
* Add operation on terrain sector to a render update queue
*/
public void ScheduleTerrainUpdate(RenderTerrainUpdateOperations operation, WorldSector sector)
{
TerrainUpdateQueues.getOperationQueue(operation).Enqueue(sector);
}
/*
* Function: moveObjToSector
*
* Parameters: GActor:<obj>, WorldSector:<sector>
*
* Returns: void
*
* -Places the reference for <obj> into <sector>.
* -If <obj>s reference is already contained by another sector, it is first removed from the old sector.
* -The reference to <obj> is stored in <sector>s <Contained_Objects> property.
* -Since only GActors are stored in sectors, <obj> must be of type GActor. All other GObjects are stored in tiles.
*/
public void moveObjToSector(GActor obj, WorldSector sector)
{
if (obj.sector != null) {
// object belongs to a sector
removeObjFromSector(obj);
}
addObjToSector (obj, sector);
}
private void updateTerrainCreate(WorldSector sector)
{
if (!sector.is_rendered) {
rTerrain.setupSector (sector);
}
}
/*
* Function: setupObject
*
* Parameters: GameObject:<obj>, WorldSector:<sector>
*
* Returns: void
*
* Assigns a material and mesh to <obj> in relation to the data contained in <sector>
*/
private void setupObject(GameObject obj, WorldSector sector)
{
obj.GetComponent <MeshRenderer> ().material = texMan.terrain_material;
//obj.GetComponent<MeshRenderer> ().material.mainTexture = texMan.terrain_sprite.texture;
obj.GetComponent <MeshFilter> ().mesh = generateMesh(GameController.DataSettings.sector_size * GameController.DataSettings.sector_size, GameController.DataSettings.tile_width, sector);
}
/*
* Add operation on all objects in sector to a render update queue
*/
public void ScheduleUpdateOnSectorObjects(RenderObjectUpdateOperations operation, WorldSector sector)
{
for (int x = sector.lower_boundary_x; x < sector.upper_boundary_x; ++x) {
for (int y = sector.lower_boundary_y; y < sector.upper_boundary_y; ++y) {
GTile tile = GameData.GData.getTile(new Vector2(x, y));
// schedule structures
for(int i = 0; i < tile.Contained_Objects.structures.all.count(); ++i) {
ScheduleObjectUpdate(operation, tile.Contained_Objects.structures.all.getObjectAt(i));
}
// schedule items
for(int i = 0; i < tile.Contained_Objects.items.all.count(); ++i) {
ScheduleObjectUpdate(operation, tile.Contained_Objects.items.all.getObjectAt(i));
}
}
}
// schedule actors
for (int i = 0; i < sector.Contained_Objects.actors.all.count(); ++i) {
ScheduleObjectUpdate(operation, sector.Contained_Objects.actors.all.getObjectAt(i));
}
}
private void updateTerrainBrightness(WorldSector sector)
{
}
private void setupDataStructures()
{
// init tiles
worldTiles = new GTile[GameController.DataSettings.world_size, GameController.DataSettings.world_size];
for (int x = 0; x < GameController.DataSettings.world_size; ++x) {
for (int y = 0; y < GameController.DataSettings.world_size; ++y) {
worldTiles[x, y] = new GTile(x, y);
}
}
// init sectors
sectorsWithinRange = new List<WorldSector> ();
if (GameController.DataSettings.world_size % GameController.DataSettings.sector_size != 0) {
Debug.LogError ("Invalid sector size: Must be multiple of world size");
}
else {
worldSectors = new WorldSector[GameController.DataSettings.world_side_sectors, GameController.DataSettings.world_side_sectors];
for (int x = 0; x < GameController.DataSettings.world_side_sectors; ++x) {
for (int y = 0; y < GameController.DataSettings.world_side_sectors; ++y) {
worldSectors[x, y] = new WorldSector(
x,
y,
x * GameController.DataSettings.sector_size,
x * GameController.DataSettings.sector_size + GameController.DataSettings.sector_size,
y * GameController.DataSettings.sector_size,
y * GameController.DataSettings.sector_size + GameController.DataSettings.sector_size
);
}
}
}
}
/*
* Add operation on terrain sector to a render update queue
*/
public void ScheduleTerrainUpdate(RenderTerrainUpdateOperations operation, WorldSector sector)
{
TerrainUpdateQueues.getOperationQueue (operation).Enqueue(sector);
}
void addObjToSector(GActor obj, WorldSector sector)
{
if (obj.sector == null) {
// object does not belong to a sector
obj.sector = sector;
sector.Contained_Objects.addObject(obj);
}
}
void initSectors()
{
// declare sectors
sectors = new WorldSector[
GameSettings.LoadedConfig.ChunkLength_Sectors,
GameSettings.LoadedConfig.ChunkLength_Sectors
];
// init sectors
for (int sector_x = 0; sector_x < GameSettings.LoadedConfig.ChunkLength_Sectors; ++sector_x) {
for (int sector_z = 0; sector_z < GameSettings.LoadedConfig.ChunkLength_Sectors; ++sector_z) {
sectors[sector_x, sector_z] = new WorldSector(
x * GameSettings.LoadedConfig.ChunkLength_Sectors + sector_x,
z * GameSettings.LoadedConfig.ChunkLength_Sectors + sector_z,
this
);
}
}
}
void serializeSectorData(SerializableSector copyTo, WorldSector copyFrom)
{
// save indexes
copyTo.x = copyFrom.x;
copyTo.z = copyFrom.z;
// save sector levels
List<WorldSectorLevel> levels = copyFrom.levels.getAllLevels();
for (int i = 0; i < levels.Count; ++i) {
copyTo.levels.Add(new SerializableLevel());
serializeLevelData(copyTo.levels[i], levels[i]);
}
}
private void updateTerrainDestroy(WorldSector sector)
{
if (sector.is_rendered) {
rTerrain.discardSector (sector);
}
}