// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(Vector3 terrainRegionBase, uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords)
{
m_physicsScene.Logger.DebugFormat("{0} Terrain for {1}/{2} created with {3}",
LogHeader, m_physicsScene.RegionName, terrainRegionBase,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(m_physicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(m_physicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
default:
m_physicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}/{4}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
m_physicsScene.RegionName, terrainRegionBase);
break;
}
return(newTerrainPhys);
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
DetailLog("{0},BSTerrainManager.CreateInitialGroundPlaneAndTerrain,region={1}", BSScene.DetailLogZero, m_physicsScene.RegionName);
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = m_physicsScene.PE.CreateGroundPlaneShape(BSScene.GROUNDPLANE_ID, 1f, BSParam.TerrainCollisionMargin);
Vector3 groundPlaneAltitude = new Vector3(0f, 0f, BSParam.TerrainGroundPlane);
m_groundPlane = m_physicsScene.PE.CreateBodyWithDefaultMotionState(groundPlaneShape,
BSScene.GROUNDPLANE_ID, groundPlaneAltitude, Quaternion.Identity);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_physicsScene.PE.AddObjectToWorld(m_physicsScene.World, m_groundPlane);
m_physicsScene.PE.UpdateSingleAabb(m_physicsScene.World, m_groundPlane);
// Ground plane does not move
m_physicsScene.PE.ForceActivationState(m_groundPlane, ActivationState.DISABLE_SIMULATION);
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(m_physicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrainsRwLock.AcquireWriterLock(-1);
try
{
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
m_terrains.Add(Vector3.Zero, initialTerrain);
}
finally
{
m_terrainsRwLock.ReleaseWriterLock();
}
}
// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(uint id, float[] heightMap)
{
// Find high and low points of passed heightmap.
// The min and max passed in is usually the area objects can be in (maximum
// object height, for instance). The terrain wants the bounding box for the
// terrain so replace passed min and max Z with the actual terrain min/max Z.
float minZ = float.MaxValue;
float maxZ = float.MinValue;
foreach (float height in heightMap)
{
if (height < minZ)
{
minZ = height;
}
if (height > maxZ)
{
maxZ = height;
}
}
if (minZ == maxZ)
{
// If min and max are the same, reduce min a little bit so a good bounding box is created.
minZ -= BSTerrainManager.HEIGHT_EQUAL_FUDGE;
}
Vector3 minCoords = new Vector3(0, 0, minZ);
Vector3 maxCoords = new Vector3(PhysicsScene.Scene.RegionInfo.RegionSizeX, PhysicsScene.Scene.RegionInfo.RegionSizeY, maxZ);
PhysicsScene.Logger.DebugFormat("{0} Terrain for {1}/ created with {2}",
LogHeader, PhysicsScene.RegionName,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(PhysicsScene, Vector3.Zero, id,
heightMap, minCoords, maxCoords);
break;
default:
PhysicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
PhysicsScene.RegionName);
break;
}
return(newTerrainPhys);
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = PhysicsScene.PE.CreateGroundPlaneShape(BSScene.GROUNDPLANE_ID, 1f, BSParam.TerrainCollisionMargin);
m_groundPlane = PhysicsScene.PE.CreateBodyWithDefaultMotionState(groundPlaneShape,
BSScene.GROUNDPLANE_ID, Vector3.Zero, Quaternion.Identity);
PhysicsScene.PE.AddObjectToWorld(PhysicsScene.World, m_groundPlane);
PhysicsScene.PE.UpdateSingleAabb(PhysicsScene.World, m_groundPlane);
// Ground plane does not move
PhysicsScene.PE.ForceActivationState(m_groundPlane, ActivationState.DISABLE_SIMULATION);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_groundPlane.ApplyCollisionMask(PhysicsScene);
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrains.Add(Vector3.Zero, initialTerrain);
}
// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(Vector3 terrainRegionBase, uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords)
{
PhysicsScene.Logger.DebugFormat("{0} Terrain for {1}/{2} created with {3}",
LogHeader, PhysicsScene.RegionName, terrainRegionBase,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(PhysicsScene, terrainRegionBase, id,
heightMap, minCoords, maxCoords);
break;
default:
PhysicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}/{4}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
PhysicsScene.RegionName, terrainRegionBase);
break;
}
return newTerrainPhys;
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = PhysicsScene.PE.CreateGroundPlaneShape(BSScene.GROUNDPLANE_ID, 1f, BSParam.TerrainCollisionMargin);
m_groundPlane = PhysicsScene.PE.CreateBodyWithDefaultMotionState(groundPlaneShape,
BSScene.GROUNDPLANE_ID, Vector3.Zero, Quaternion.Identity);
PhysicsScene.PE.AddObjectToWorld(PhysicsScene.World, m_groundPlane);
PhysicsScene.PE.UpdateSingleAabb(PhysicsScene.World, m_groundPlane);
// Ground plane does not move
PhysicsScene.PE.ForceActivationState(m_groundPlane, ActivationState.DISABLE_SIMULATION);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_groundPlane.ApplyCollisionMask(PhysicsScene);
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrains.Add(Vector3.Zero, initialTerrain);
}
// Create the initial instance of terrain and the underlying ground plane.
// This is called from the initialization routine so we presume it is
// safe to call Bullet in real time. We hope no one is moving prims around yet.
public void CreateInitialGroundPlaneAndTerrain()
{
DetailLog("{0},BSTerrainManager.CreateInitialGroundPlaneAndTerrain,region={1}", BSScene.DetailLogZero, m_physicsScene.RegionName);
// The ground plane is here to catch things that are trying to drop to negative infinity
BulletShape groundPlaneShape = m_physicsScene.PE.CreateGroundPlaneShape(BSScene.GROUNDPLANE_ID, 1f, BSParam.TerrainCollisionMargin);
Vector3 groundPlaneAltitude = new Vector3(0f, 0f, BSParam.TerrainGroundPlane);
m_groundPlane = m_physicsScene.PE.CreateBodyWithDefaultMotionState(groundPlaneShape,
BSScene.GROUNDPLANE_ID, groundPlaneAltitude, Quaternion.Identity);
// Everything collides with the ground plane.
m_groundPlane.collisionType = CollisionType.Groundplane;
m_physicsScene.PE.AddObjectToWorld(m_physicsScene.World, m_groundPlane);
m_physicsScene.PE.UpdateSingleAabb(m_physicsScene.World, m_groundPlane);
// Ground plane does not move
m_physicsScene.PE.ForceActivationState(m_groundPlane, ActivationState.DISABLE_SIMULATION);
BSTerrainPhys initialTerrain = new BSTerrainHeightmap(m_physicsScene, Vector3.Zero, BSScene.TERRAIN_ID, DefaultRegionSize);
m_terrainsRwLock.AcquireWriterLock(-1);
try
{
// Build an initial terrain and put it in the world. This quickly gets replaced by the real region terrain.
m_terrains.Add(Vector3.Zero, initialTerrain);
}
finally
{
m_terrainsRwLock.ReleaseWriterLock();
}
}
// TODO: redo terrain implementation selection to allow other base types than heightMap.
private BSTerrainPhys BuildPhysicalTerrain(uint id, float[] heightMap)
{
// Find high and low points of passed heightmap.
// The min and max passed in is usually the area objects can be in (maximum
// object height, for instance). The terrain wants the bounding box for the
// terrain so replace passed min and max Z with the actual terrain min/max Z.
float minZ = float.MaxValue;
float maxZ = float.MinValue;
foreach (float height in heightMap)
{
if (height < minZ) minZ = height;
if (height > maxZ) maxZ = height;
}
if (minZ == maxZ)
{
// If min and max are the same, reduce min a little bit so a good bounding box is created.
minZ -= BSTerrainManager.HEIGHT_EQUAL_FUDGE;
}
Vector3 minCoords = new Vector3(0, 0, minZ);
Vector3 maxCoords = new Vector3(PhysicsScene.Scene.RegionInfo.RegionSizeX, PhysicsScene.Scene.RegionInfo.RegionSizeY, maxZ);
PhysicsScene.Logger.DebugFormat("{0} Terrain for {1}/ created with {2}",
LogHeader, PhysicsScene.RegionName,
(BSTerrainPhys.TerrainImplementation)BSParam.TerrainImplementation);
BSTerrainPhys newTerrainPhys = null;
switch ((int)BSParam.TerrainImplementation)
{
case (int)BSTerrainPhys.TerrainImplementation.Heightmap:
newTerrainPhys = new BSTerrainHeightmap(PhysicsScene, Vector3.Zero, id,
heightMap, minCoords, maxCoords);
break;
case (int)BSTerrainPhys.TerrainImplementation.Mesh:
newTerrainPhys = new BSTerrainMesh(PhysicsScene, Vector3.Zero, id,
heightMap, minCoords, maxCoords);
break;
default:
PhysicsScene.Logger.ErrorFormat("{0} Bad terrain implementation specified. Type={1}/{2},Region={3}",
LogHeader,
(int)BSParam.TerrainImplementation,
BSParam.TerrainImplementation,
PhysicsScene.RegionName);
break;
}
return newTerrainPhys;
}