public bool ModifyTerrain(SimClient simClient, Packet packet)
{
ModifyLandPacket modify = (ModifyLandPacket)packet;
switch (modify.ModifyBlock.Action)
{
case 1:
// raise terrain
if (modify.ParcelData.Length > 0)
{
Terrain.raise(modify.ParcelData[0].North, modify.ParcelData[0].West, 10.0, 0.1);
RegenerateTerrain(true, (int)modify.ParcelData[0].North, (int)modify.ParcelData[0].West);
}
break;
case 2:
//lower terrain
if (modify.ParcelData.Length > 0)
{
Terrain.lower(modify.ParcelData[0].North, modify.ParcelData[0].West, 10.0, 0.1);
RegenerateTerrain(true, (int)modify.ParcelData[0].North, (int)modify.ParcelData[0].West);
}
break;
}
return(true);
}
/// <summary>
/// Terraform (raise, lower, etc) an area or whole parcel of land
/// </summary>
/// <param name="simulator">Simulator land area is in.</param>
/// <param name="localID">LocalID of parcel, or -1 if using bounding box</param>
/// <param name="west">west border of area to modify</param>
/// <param name="south">south border of area to modify</param>
/// <param name="east">east border of area to modify</param>
/// <param name="north">north border of area to modify</param>
/// <param name="action">From Enum, Raise, Lower, Level, Smooth, Etc.</param>
/// <param name="brushSize">Size of area to modify</param>
/// <param name="seconds">How many meters + or - to lower, 1 = 1 meter</param>
/// <param name="height">Height at which the terraform operation is acting at</param>
public void Terraform(Simulator simulator, int localID, float west, float south, float east, float north,
TerraformAction action, TerraformBrushSize brushSize, int seconds, float height)
{
ModifyLandPacket land = new ModifyLandPacket();
land.AgentData.AgentID = Client.Self.AgentID;
land.AgentData.SessionID = Client.Self.SessionID;
land.ModifyBlock.Action = (byte)action;
land.ModifyBlock.BrushSize = (byte)brushSize;
land.ModifyBlock.Seconds = seconds;
land.ModifyBlock.Height = height;
land.ParcelData = new ModifyLandPacket.ParcelDataBlock[1];
land.ParcelData[0] = new ModifyLandPacket.ParcelDataBlock();
land.ParcelData[0].LocalID = localID;
land.ParcelData[0].West = west;
land.ParcelData[0].South = south;
land.ParcelData[0].East = east;
land.ParcelData[0].North = north;
Client.Network.SendPacket(land, simulator);
}
private void ModifyLandHandler(Packet packet, LLAgent agent)
{
ModifyLandPacket modify = (ModifyLandPacket)packet;
TerrainAction action = (TerrainAction)modify.ModifyBlock.Action;
float height = modify.ModifyBlock.Height;
float seconds = modify.ModifyBlock.Seconds;
// TODO: Build a permission mask based on this agent's permission to edit the affected parcels
bool[] allowMask = new bool[64 * 64];
for (int y = 0; y < 64; y++)
{
for (int x = 0; x < 64; x++)
{
allowMask[y * 64 + x] = true;
}
}
// Build an edit mask that tracks all of the terrain blocks modified by this request
bool[] editMask = new bool[16 * 16];
for (int i = 0; i < modify.ParcelData.Length; i++)
{
ModifyLandPacket.ParcelDataBlock block = modify.ParcelData[i];
int localID = block.LocalID;
float north = block.North;
float east = block.East;
float south = block.South;
float west = block.West;
float size = (modify.ModifyBlockExtended.Length > i) ? modify.ModifyBlockExtended[i].BrushSize : modify.ModifyBlock.BrushSize;
if (north == south && east == west)
{
// Terrain painting
switch (action)
{
case TerrainAction.Raise:
RaiseLowerSphere(allowMask, ref editMask, west, south, height, size, seconds);
break;
case TerrainAction.Flatten:
FlattenSphere(allowMask, ref editMask, west, south, height, size, seconds);
break;
case TerrainAction.Lower:
RaiseLowerSphere(allowMask, ref editMask, west, south, height, size, seconds * -1.0f);
break;
case TerrainAction.Noise:
NoiseSphere(allowMask, ref editMask, west, south, height, size, seconds);
break;
case TerrainAction.Revert:
RevertSphere(allowMask, ref editMask, west, south, height, size, seconds);
break;
case TerrainAction.Smooth:
SmoothSphere(allowMask, ref editMask, west, south, height, size, seconds);
break;
default:
m_log.Warn("Unhandled ModifyLand paint action " + action);
break;
}
}
else
{
// Terrain flooding
switch (action)
{
case TerrainAction.Raise:
case TerrainAction.Flatten:
case TerrainAction.Lower:
case TerrainAction.Noise:
case TerrainAction.Revert:
case TerrainAction.Smooth:
default:
m_log.Warn("Unhandled ModifyLand flood action " + action);
break;
}
}
}
// Send updates out for any modified terrain blocks
for (int y = 0; y < 16; y++)
{
for (int x = 0; x < 16; x++)
{
if (editMask[y * 16 + x])
{
m_scene.CreateInterestListEvent(new InterestListEvent(
CreateTerrainEventID(x, y),
TERRAIN,
new Vector3(x * 16 + 8, y * 16 + 8, 0.0f),
TERRAIN_SCALE,
new int[] { x, y })
);
}
}
}
}
