//在Start里面进行的初始化
public bool MakeInitialize()
{
//NavManager.ActiveManager的获取还需要一个更好的设计
if (!enabled)
{
Debug.LogError(this.name + ": is not enabled ");
return(false);
}
if (NavManager.ActiveManager == null)
{
Debug.LogError(this.name + ": no activeManager ");
return(false);
}
mNavManager = NavManager.ActiveManager;
//建立navAgent,这是真正用于移动的agent
mNavAgent = mNavManager.CreateAgent(agentGroup, transform);
mNavAgent.moveSpeed = this.moveSpeed;
if (mNavAgent == null)
{
Debug.LogError(this.name + ": agent create failed");
enabled = false;
return(false);
}
mNavAgent.rotation = transform.rotation;
mNavAgent.position = mNavAgent.GetPointSearch(transform.position);
if (mNavAgent.position.polyRef == 0)
{
mNavAgent = null;
Debug.LogError(this.name + ": take agent into navmesh failed: " + mNavAgent.position);
enabled = false;
return(false);
}
//planner是底层计算推进（可以考虑多线程）
//mover是unity位置改变，只能在主线程
planner = new NavPlanner(mNavAgent);
//用于表现，也就是修改Unity中的移动的move
//UnitySimpleMovePlan unityMovePlan = new UnitySimpleMovePlan();
UnityMoveWithFixdRoute unityMovePlan = new UnityMoveWithFixdRoute();
unityMovePlan.SetNavAgent(mNavAgent);
unityMovePlan.yAxisFreeze = this.yAxisFreeze;
mover = unityMovePlan;
mManagerIndex = mNavManager.AddAgent(planner, unityMovePlan);
if (mManagerIndex == -1)
{
Debug.LogError(this.name + ": add agent to navigation manager failed");
enabled = false;
return(false);
}
Stop();
return(true);
}
public void MakeStart(ScriptableObject bakedMesh, byte [] myNavData)
{
try
{
mNavmeshData = bakedMesh;
navMeshData = myNavData;
/*
* Debug.Log("got navMeshData version1: " + BitConverter.ToUInt32(new byte[]
* { navMeshData[0] , navMeshData[1] , navMeshData[2], navMeshData[3]
* } , 0));
* Debug.Log("got navMeshData version2: " + BitConverter.ToUInt32(new byte[]
* { navMeshData[0] , navMeshData[1] , navMeshData[2], navMeshData[3],
* navMeshData[4] , navMeshData[5] , navMeshData[6], navMeshData[7]
* } , 0));
*/
if (mNavmeshData == null && navMeshData == null)
{
Debug.Log("have not get a baked mesh , UnityAgentController shut down");
isSetup = false;
}
else
{
//Debug.Log("starting NavManager now!");
NavManager.ActiveManager = CreateManager();
//Debug.Log("NavManager.ActiveManager == "+ NavManager.ActiveManager + " after CreateManager()");
mManager = NavManager.ActiveManager;
mManager.theModeNow = this.theAgentMode;
mManager.StartThreadUpdate();
isSetup = true;
//Debug.Log("Navigation Agent controller started!!!!!");
}
}
catch (Exception X)
{
Debug.LogError("UnityAgentController Start with error:" + X.Message + "--" + X.ToString());
isSetup = false;
}
}
public NavManager CreateManager()
{
CheckCrowdAvoidanceSet();
if (!(mNavmeshData && NavmeshData.HasNavmesh))
{
Debug.LogError("Aborted initialization. Navigation mesh not available.");
return(null);
}
//Debug.Log("NavmeshData-------"+ NavmeshData);
Navmesh navmesh = NavmeshData.GetNavmesh();
if (navmesh == null)
{
NavStatus theStatus = Navmesh.Create(navMeshData, out navmesh);
Debug.Log("Navmesh.Create ---->" + theStatus + "---->" + (int)(theStatus & NavStatus.Sucess));
if (NavUtil.Failed(theStatus))
{
Debug.LogError("NavUtil.Failed(Navmesh.Create(navMeshData, out navmesh) Fail!");
}
Debug.Log("--------------------\n" + navMeshData + "---" + navMeshData.Length + "\n-----------------\nNavmesh-------" + navmesh);
}
if (navmesh == null)
{
Debug.LogError(" navmesh is null");
return(null);
}
NavmeshQuery query;
NavStatus status = NavmeshQuery.Create(navmesh, mMaxQueryNodes, out query);
if ((status & NavStatus.Sucess) == 0)
{
Debug.LogError(" Aborted initialization. Failed query creation: " + status.ToString());
return(null);
}
CrowdManager crowd = CrowdManager.Create(mMaxCrowdAgents, mMaxAgentRadius, navmesh);
if (crowd == null)
{
Debug.LogError("Aborted initialization. Failed crowd creation.");
return(null);
}
for (int i = 0; i < CrowdManager.MaxAvoidanceParams; i++)
{
crowd.SetAvoidanceConfig(i, CrowdAvoidanceConfig[i]);
}
NavGroup mGroup = new NavGroup(navmesh, query, crowd, crowd.QueryFilter, mExtents, false);
int count = AgentGroupSettingManager.GetGroupCount();
Dictionary <byte, NavAgentGroups> mAgentGroups = new Dictionary <byte, NavAgentGroups>(count);
for (int i = 0; i < count; i++)
{
byte groupId;
NavAgentGroups group = AgentGroupSettingManager.CreateAgentGroup(i, mMaxPath, mMaxStraightPath, out groupId);
group.angleAt = mAngleAt;
group.heightTolerance = mHeightTolerance;
group.turnThreshold = mTurnThreshold;
mAgentGroups.Add(groupId, group);
}
return(NavManager.Create(mMaxAgents, mGroup, mAgentGroups));
}