private void SendTerrainPacket(QueuedInterestListEvent[] eventDatas, IScenePresence presence)
{
const int PATCHES_PER_PACKET = 3;
if (!(presence is LLAgent) || presence.InterestList == null)
{
return;
}
LLAgent agent = (LLAgent)presence;
List <int> patches = new List <int>(PATCHES_PER_PACKET);
for (int i = 0; i < eventDatas.Length; i++)
{
int[] state = (int[])eventDatas[i].Event.State;
int x = state[0];
int y = state[1];
patches.Add(y * 16 + x);
if (patches.Count == PATCHES_PER_PACKET || i == eventDatas.Length - 1)
{
LayerDataPacket packet = TerrainCompressor.CreateLandPacket(m_terrain.GetHeightmap(), patches.ToArray());
m_udp.SendPacket(agent, packet, ThrottleCategory.Land, false);
patches = new List <int>(PATCHES_PER_PACKET);
}
}
}
public bool FullSceneCollisionTest(bool includeTerrain, Ray ray, ISceneEntity castingObj, out ISceneEntity collisionObj, out float dist)
{
ISceneEntity minCollider = null;
float minDist = Single.MaxValue;
// Test against the AABB of every entity in the scene (can be slow!)
m_scene.ForEachEntity(
delegate(ISceneEntity entity)
{
if (entity == castingObj)
{
return;
}
float thisDist;
if (entity is IPhysical && EntityCollisionTest(ray, (IPhysical)entity, out thisDist) && thisDist < minDist)
{
minDist = thisDist;
minCollider = entity;
}
}
);
collisionObj = minCollider;
dist = minDist;
if (includeTerrain)
{
// Test against the terrain
float terrainDist;
if (RayHeightmap.CollisionTest(ray, m_terrain.GetHeightmap(), 256, 256, 256.0f, out terrainDist) && terrainDist < dist)
{
dist = terrainDist;
collisionObj = null;
return(true);
}
}
return(collisionObj != null);
}
private void CreateTerrain(IScene scene, WarpRenderer renderer, ITerrain terrain, RegionInfo regionInfo)
{
float[] heightmap = (terrain != null) ? terrain.GetHeightmap() : new float[256 * 256];
warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
int v = y * 256 + x;
float height = heightmap[v];
warp_Vector pos = ConvertVector(new Vector3(x, y, height));
obj.addVertex(new warp_Vertex(pos, (float)x / 255f, (float)(255 - y) / 255f));
}
}
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
if (x < 255 && y < 255)
{
int v = y * 256 + x;
// Normal
Vector3 v1 = new Vector3(x, y, heightmap[y * 256 + x]);
Vector3 v2 = new Vector3(x + 1, y, heightmap[y * 256 + x + 1]);
Vector3 v3 = new Vector3(x, y + 1, heightmap[(y + 1) * 256 + x]);
warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
norm = norm.reverse();
obj.vertex(v).n = norm;
// Triangle 1
obj.addTriangle(
v,
v + 1,
v + 256);
// Triangle 2
obj.addTriangle(
v + 256 + 1,
v + 256,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
if (regionInfo != null)
{
textureIDs[0] = regionInfo.TerrainDetail0;
textureIDs[1] = regionInfo.TerrainDetail1;
textureIDs[2] = regionInfo.TerrainDetail2;
textureIDs[3] = regionInfo.TerrainDetail3;
startHeights[0] = regionInfo.TerrainStartHeight00;
startHeights[1] = regionInfo.TerrainStartHeight01;
startHeights[2] = regionInfo.TerrainStartHeight10;
startHeights[3] = regionInfo.TerrainStartHeight11;
heightRanges[0] = regionInfo.TerrainHeightRange00;
heightRanges[1] = regionInfo.TerrainHeightRange01;
heightRanges[2] = regionInfo.TerrainHeightRange10;
heightRanges[3] = regionInfo.TerrainHeightRange11;
}
Bitmap image = TerrainSplat.Splat(heightmap, textureIDs, startHeights, heightRanges, scene.MinPosition, m_assetClient);
warp_Texture texture = new warp_Texture(image);
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}
private void CreateTerrain(IScene scene, WarpRenderer renderer, ITerrain terrain, RegionInfo regionInfo)
{
float[] heightmap = (terrain != null) ? terrain.GetHeightmap() : new float[256 * 256];
warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
int v = y * 256 + x;
float height = heightmap[v];
warp_Vector pos = ConvertVector(new Vector3(x, y, height));
obj.addVertex(new warp_Vertex(pos, (float)x / 255f, (float)(255 - y) / 255f));
}
}
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
if (x < 255 && y < 255)
{
int v = y * 256 + x;
// Normal
Vector3 v1 = new Vector3(x, y, heightmap[y * 256 + x]);
Vector3 v2 = new Vector3(x + 1, y, heightmap[y * 256 + x + 1]);
Vector3 v3 = new Vector3(x, y + 1, heightmap[(y + 1) * 256 + x]);
warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
norm = norm.reverse();
obj.vertex(v).n = norm;
// Triangle 1
obj.addTriangle(
v,
v + 1,
v + 256);
// Triangle 2
obj.addTriangle(
v + 256 + 1,
v + 256,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
if (regionInfo != null)
{
textureIDs[0] = regionInfo.TerrainDetail0;
textureIDs[1] = regionInfo.TerrainDetail1;
textureIDs[2] = regionInfo.TerrainDetail2;
textureIDs[3] = regionInfo.TerrainDetail3;
startHeights[0] = regionInfo.TerrainStartHeight00;
startHeights[1] = regionInfo.TerrainStartHeight01;
startHeights[2] = regionInfo.TerrainStartHeight10;
startHeights[3] = regionInfo.TerrainStartHeight11;
heightRanges[0] = regionInfo.TerrainHeightRange00;
heightRanges[1] = regionInfo.TerrainHeightRange01;
heightRanges[2] = regionInfo.TerrainHeightRange10;
heightRanges[3] = regionInfo.TerrainHeightRange11;
}
Bitmap image = TerrainSplat.Splat(heightmap, textureIDs, startHeights, heightRanges, scene.MinPosition, m_assetClient);
warp_Texture texture = new warp_Texture(image);
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}