/// @par
///
/// The agent's position will be constrained to the surface of the navigation mesh.
int dtCrowd::addAgent(const float* pos, const dtCrowdAgentParams* params)
{
// Find empty slot.
int idx = -1;
for (int i = 0; i < m_maxAgents; ++i)
{
if (!m_agents[i].active)
{
idx = i;
break;
}
}
if (idx == -1)
return -1;
dtCrowdAgent* ag = &m_agents[idx];
updateAgentParameters(idx, params);
// Find nearest position on navmesh and place the agent there.
float nearest[3];
dtPolyRef ref = 0;
dtVcopy(nearest, pos);
dtStatus status = m_navquery->findNearestPoly(pos, m_ext, &m_filters[ag->params.queryFilterType], &ref, nearest);
if (dtStatusFailed(status))
{
dtVcopy(nearest, pos);
ref = 0;
}
ag->corridor.reset(ref, nearest);
ag->boundary.reset();
ag->partial = false;
ag->topologyOptTime = 0;
ag->targetReplanTime = 0;
ag->nneis = 0;
dtVset(ag->dvel, 0,0,0);
dtVset(ag->nvel, 0,0,0);
dtVset(ag->vel, 0,0,0);
dtVcopy(ag->npos, nearest);
ag->desiredSpeed = 0;
if (ref)
ag->state = DT_CROWDAGENT_STATE_WALKING;
else
ag->state = DT_CROWDAGENT_STATE_INVALID;
ag->targetState = DT_CROWDAGENT_TARGET_NONE;
ag->active = true;
// Clockwork: added to fix illegal memory access when ncorners is queried before the agent has updated
ag->ncorners = 0;
return idx;
}
/// @par
///
/// The agent's position will be constrained to the surface of the navigation mesh.
int dtCrowd::addAgent(const float* pos, const dtCrowdAgentParams* params, const dtQueryFilter* filter)
{
// Find empty slot.
int idx = -1;
for (int i = 0; i < m_maxAgents; ++i)
{
if (!m_agents[i].active)
{
idx = i;
break;
}
}
if (idx == -1)
return -1;
dtCrowdAgent* ag = &m_agents[idx];
// [UE4] multiple filter support
const bool bStoredFilter = updateAgentFilter(idx, filter);
if (!bStoredFilter)
{
return -1;
}
// Find nearest position on navmesh and place the agent there.
float nearest[3];
dtPolyRef ref;
m_navquery->updateLinkFilter(params->linkFilter);
m_navquery->findNearestPoly(pos, m_ext, &m_filters[ag->params.filter], &ref, nearest);
ag->corridor.reset(ref, nearest);
ag->boundary.reset();
updateAgentParameters(idx, params);
ag->topologyOptTime = 0;
ag->targetReplanTime = 0;
ag->nneis = 0;
ag->ncorners = 0;
dtVset(ag->dvel, 0,0,0);
dtVset(ag->nvel, 0,0,0);
dtVset(ag->vel, 0,0,0);
dtVcopy(ag->npos, nearest);
ag->desiredSpeed = 0;
if (ref)
ag->state = DT_CROWDAGENT_STATE_WALKING;
else
ag->state = DT_CROWDAGENT_STATE_INVALID;
ag->targetState = DT_CROWDAGENT_TARGET_NONE;
ag->active = 1;
return idx;
}
int dtCrowd::addAgent(const float* pos, const dtCrowdAgentParams* params)
{
// Find empty slot.
int idx = -1;
for (int i = 0; i < m_maxAgents; ++i)
{
if (!m_agents[i].active)
{
idx = i;
break;
}
}
if (idx == -1)
return -1;
dtCrowdAgent* ag = &m_agents[idx];
// Find nearest position on navmesh and place the agent there.
float nearest[3];
dtPolyRef ref;
m_navquery->findNearestPoly(pos, m_ext, &m_filter, &ref, nearest);
if (!ref)
{
// Could not find a location on navmesh.
return -1;
}
ag->corridor.reset(ref, nearest);
ag->boundary.reset();
updateAgentParameters(idx, params);
ag->topologyOptTime = 0;
ag->nneis = 0;
dtVset(ag->dvel, 0,0,0);
dtVset(ag->nvel, 0,0,0);
dtVset(ag->vel, 0,0,0);
dtVcopy(ag->npos, nearest);
ag->desiredSpeed = 0;
ag->t = 0;
ag->var = (rand() % 10) / 9.0f;
ag->state = DT_CROWDAGENT_STATE_WALKING;
ag->active = 1;
return idx;
}
