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390 lines
9.3 KiB
C++
390 lines
9.3 KiB
C++
// leave this line at the top of all AI_xxxx.cpp files for PCH reasons...
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#include "g_headers.h"
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#include "b_local.h"
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#include "../Ratl/vector_vs.h"
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#define MAX_PACKS 10
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#define LEAVE_PACK_DISTANCE 1000
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#define JOIN_PACK_DISTANCE 800
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#define WANDER_RANGE 1000
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#define FRIGHTEN_DISTANCE 300
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extern qboolean G_PlayerSpawned( void );
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ratl::vector_vs<gentity_t*, MAX_PACKS> mPacks;
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////////////////////////////////////////////////////////////////////////////////////////
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// Update The Packs, Delete Dead Leaders, Join / Split Packs, Find MY Leader
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////////////////////////////////////////////////////////////////////////////////////////
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gentity_t* NPC_AnimalUpdateLeader(void)
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{
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// Find The Closest Pack Leader, Not Counting Myself
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//---------------------------------------------------
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gentity_t* closestLeader = 0;
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float closestDist = 0;
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int myLeaderNum = 0;
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for (int i=0; i<mPacks.size(); i++)
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{
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// Dump Dead Leaders
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//-------------------
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if (mPacks[i]==0 || mPacks[i]->health<=0)
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{
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if (mPacks[i]==NPC->client->leader)
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{
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NPC->client->leader = 0;
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}
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mPacks.erase_swap(i);
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if (i>=mPacks.size())
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{
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closestLeader = 0;
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break;
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}
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}
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// Don't Count Self
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//------------------
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if (mPacks[i]==NPC)
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{
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myLeaderNum = i;
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continue;
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}
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float Dist = Distance(mPacks[i]->currentOrigin, NPC->currentOrigin);
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if (!closestLeader || Dist<closestDist)
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{
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closestDist = Dist;
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closestLeader = mPacks[i];
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}
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}
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// In Joining Distance?
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//----------------------
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if (closestLeader && closestDist<JOIN_PACK_DISTANCE)
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{
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// Am I Already A Leader?
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//------------------------
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if (NPC->client->leader==NPC)
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{
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mPacks.erase_swap(myLeaderNum); // Erase Myself From The Leader List
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}
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// Join The Pack!
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//----------------
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NPC->client->leader = closestLeader;
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}
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// Do I Have A Leader?
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//---------------------
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if (NPC->client->leader)
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{
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// AM I A Leader?
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//----------------
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if (NPC->client->leader!=NPC)
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{
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// If Our Leader Is Dead, Clear Him Out
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if ( NPC->client->leader->health<=0 || NPC->client->leader->inuse == 0)
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{
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NPC->client->leader = 0;
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}
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// If My Leader Isn't His Own Leader, Then, Use His Leader
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//---------------------------------------------------------
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else if (NPC->client->leader->client->leader!=NPC->client->leader)
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{
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// Eh. Can this get more confusing?
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NPC->client->leader = NPC->client->leader->client->leader;
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}
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// If Our Leader Is Too Far Away, Clear Him Out
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//------------------------------------------------------
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else if ( Distance(NPC->client->leader->currentOrigin, NPC->currentOrigin)>LEAVE_PACK_DISTANCE)
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{
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NPC->client->leader = 0;
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}
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}
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}
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// If We Couldn't Find A Leader, Then Become One
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//-----------------------------------------------
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else if (!mPacks.full())
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{
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NPC->client->leader = NPC;
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mPacks.push_back(NPC);
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}
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return NPC->client->leader;
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}
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/*
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-------------------------
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NPC_BSAnimal_Default
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-------------------------
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*/
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void NPC_BSAnimal_Default( void )
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{
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if (!NPC || !NPC->client)
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{
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return;
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}
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// Update Some Positions
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//-----------------------
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CVec3 CurrentLocation(NPC->currentOrigin);
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// Update The Leader
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//-------------------
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gentity_t* leader = NPC_AnimalUpdateLeader();
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// Select Closest Threat Location
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//--------------------------------
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CVec3 ThreatLocation(0,0,0);
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qboolean PlayerSpawned = G_PlayerSpawned();
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if ( PlayerSpawned )
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{//player is actually in the level now
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ThreatLocation = player->currentOrigin;
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}
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int alertEvent = NPC_CheckAlertEvents(qtrue, qtrue, -1, qfalse, AEL_MINOR, qfalse);
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if ( alertEvent >= 0 )
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{
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alertEvent_t *event = &level.alertEvents[alertEvent];
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if (event->owner!=NPC && Distance(event->position, CurrentLocation.v)<event->radius)
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{
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ThreatLocation = event->position;
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}
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}
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// float DistToThreat = CurrentLocation.Dist(ThreatLocation);
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// float DistFromHome = CurrentLocation.Dist(mHome);
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bool EvadeThreat = (level.time<NPCInfo->investigateSoundDebounceTime);
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bool CharmedDocile = (level.time<NPCInfo->confusionTime);
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bool CharmedApproach = (level.time<NPCInfo->charmedTime);
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// If Not Already Evading, Test To See If We Should "Know" About The Threat
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//--------------------------------------------------------------------------
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/* if (false && !EvadeThreat && PlayerSpawned && (DistToThreat<FRIGHTEN_DISTANCE))
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{
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CVec3 LookAim(NPC->currentAngles);
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LookAim.AngToVec();
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CVec3 MyPos(CurrentLocation);
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MyPos -= ThreatLocation;
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MyPos.SafeNorm();
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float DirectionSimilarity = MyPos.Dot(LookAim);
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if (fabsf(DirectionSimilarity)<0.8f)
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{
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EvadeThreat = true;
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NPCInfo->investigateSoundDebounceTime = level.time + Q_irand(0, 1000);
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VectorCopy(ThreatLocation.v, NPCInfo->investigateGoal);
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}
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}*/
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STEER::Activate(NPC);
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{
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// Charmed Approach - Walk TOWARD The Threat Location
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//----------------------------------------------------
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if (CharmedApproach)
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{
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NAV::GoTo(NPC, NPCInfo->investigateGoal);
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}
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// Charmed Docile - Stay Put
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//---------------------------
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else if (CharmedDocile)
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{
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NAV::ClearPath(NPC);
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STEER::Stop(NPC);
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}
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// Run Away From This Threat
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//---------------------------
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else if (EvadeThreat)
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{
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NAV::ClearPath(NPC);
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STEER::Flee(NPC, NPCInfo->investigateGoal);
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}
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// Normal Behavior
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//-----------------
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else
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{
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// Follow Our Pack Leader!
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//-------------------------
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if (leader && leader!=NPC)
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{
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float followDist = 100.0f;
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float curDist = Distance(NPC->currentOrigin, leader->followPos);
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// Update The Leader's Follow Position
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//-------------------------------------
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STEER::FollowLeader(NPC, leader, followDist);
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bool inSeekRange = (curDist<followDist*10.0f);
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bool onNbrPoints = (NAV::OnNeighboringPoints(NAV::GetNearestNode(NPC), leader->followPosWaypoint));
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bool leaderStop = ((level.time - leader->lastMoveTime)>500);
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// If Close Enough, Dump Any Existing Path
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//-----------------------------------------
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if (inSeekRange || onNbrPoints)
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{
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NAV::ClearPath(NPC);
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// If The Leader Isn't Moving, Stop
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//----------------------------------
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if (leaderStop)
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{
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STEER::Stop(NPC);
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}
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// Otherwise, Try To Get To The Follow Position
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//----------------------------------------------
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else
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{
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STEER::Seek(NPC, leader->followPos, fabsf(followDist)/2.0f/*slowing distance*/, 1.0f/*wight*/, leader->resultspeed);
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}
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}
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// Otherwise, Get A Path To The Follow Position
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//----------------------------------------------
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else
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{
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NAV::GoTo(NPC, leader->followPosWaypoint);
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}
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STEER::Separation(NPC, 4.0f);
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STEER::AvoidCollisions(NPC, leader);
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}
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// Leader AI - Basically Wander
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//------------------------------
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else
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{
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// Are We Doing A Path?
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//----------------------
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bool HasPath = NAV::HasPath(NPC);
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if (HasPath)
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{
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HasPath = NAV::UpdatePath(NPC);
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if (HasPath)
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{
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STEER::Path(NPC); // Follow The Path
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STEER::AvoidCollisions(NPC);
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}
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}
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if (!HasPath)
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{
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// If Debounce Time Has Expired, Choose A New Sub State
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//------------------------------------------------------
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if (NPCInfo->investigateDebounceTime<level.time)
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{
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// Clear Out Flags From The Previous Substate
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//--------------------------------------------
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NPCInfo->aiFlags &= ~NPCAI_OFF_PATH;
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NPCInfo->aiFlags &= ~NPCAI_WALKING;
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// Pick Another Spot
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//-------------------
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int NEXTSUBSTATE = Q_irand(0, 10);
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bool RandomPathNode = (NEXTSUBSTATE<8); //(NEXTSUBSTATE<9);
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bool PathlessWander = (NEXTSUBSTATE<9); //false;
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// Random Path Node
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//------------------
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if (RandomPathNode)
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{
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// Sometimes, Walk
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//-----------------
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if (Q_irand(0, 1)==0)
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{
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NPCInfo->aiFlags |= NPCAI_WALKING;
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}
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NPCInfo->investigateDebounceTime = level.time + Q_irand(3000, 10000);
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NAV::FindPath(NPC, NAV::ChooseRandomNeighbor(NAV::GetNearestNode(NPC)));//, mHome.v, WANDER_RANGE));
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}
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// Pathless Wandering
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//--------------------
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else if (PathlessWander)
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{
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// Sometimes, Walk
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//-----------------
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if (Q_irand(0, 1)==0)
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{
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NPCInfo->aiFlags |= NPCAI_WALKING;
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}
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NPCInfo->investigateDebounceTime = level.time + Q_irand(3000, 10000);
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NPCInfo->aiFlags |= NPCAI_OFF_PATH;
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}
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// Just Stand Here
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//-----------------
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else
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{
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NPCInfo->investigateDebounceTime = level.time + Q_irand(2000, 6000);
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//NPC_SetAnim(NPC, SETANIM_BOTH, ((Q_irand(0, 1)==0)?(BOTH_GUARD_LOOKAROUND1):(BOTH_GUARD_IDLE1)), SETANIM_FLAG_NORMAL);
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}
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}
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// Ok, So We Don't Have A Path, And Debounce Time Is Still Active, So We Are Either Wandering Or Looking Around
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//--------------------------------------------------------------------------------------------------------------
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else
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{
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// if (DistFromHome>(WANDER_RANGE))
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// {
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// STEER::Seek(NPC, mHome);
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// }
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// else
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{
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if (NPCInfo->aiFlags & NPCAI_OFF_PATH)
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{
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STEER::Wander(NPC);
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STEER::AvoidCollisions(NPC);
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}
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else
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{
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STEER::Stop(NPC);
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}
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}
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}
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}
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}
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}
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}
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STEER::DeActivate(NPC, &ucmd);
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NPC_UpdateAngles( qtrue, qtrue );
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}
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