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367 lines
9.6 KiB
367 lines
9.6 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
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#include "cbase.h"
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#include "cs_simple_hostage.h"
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#include "cs_bot.h"
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#include "cs_gamerules.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Move to a potentially far away position.
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*/
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void MoveToState::OnEnter( CCSBot *me )
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{
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if (me->IsUsingKnife() && me->IsWellPastSafe() && !me->IsHurrying())
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{
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me->Walk();
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}
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else
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{
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me->Run();
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}
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// if we need to find the bomb, get there as quick as we can
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RouteType route;
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switch (me->GetTask())
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{
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case CCSBot::FIND_TICKING_BOMB:
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case CCSBot::DEFUSE_BOMB:
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case CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION:
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route = FASTEST_ROUTE;
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break;
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default:
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route = SAFEST_ROUTE;
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break;
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}
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// build path to, or nearly to, goal position
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me->ComputePath( m_goalPosition, route );
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m_radioedPlan = false;
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m_askedForCover = false;
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}
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//--------------------------------------------------------------------------------------------------------------
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/**
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* Move to a potentially far away position.
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*/
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void MoveToState::OnUpdate( CCSBot *me )
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{
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Vector myOrigin = GetCentroid( me );
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// assume that we are paying attention and close enough to know our enemy died
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if (me->GetTask() == CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION)
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{
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/// @todo Account for reaction time so we take some time to realized the enemy is dead
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CBasePlayer *victim = static_cast<CBasePlayer *>( me->GetTaskEntity() );
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if (victim == NULL || !victim->IsAlive())
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{
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me->PrintIfWatched( "The enemy I was chasing was killed - giving up.\n" );
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me->Idle();
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return;
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}
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}
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// look around
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me->UpdateLookAround();
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//
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// Scenario logic
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//
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switch (TheCSBots()->GetScenario())
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{
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case CCSBotManager::SCENARIO_DEFUSE_BOMB:
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{
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// if the bomb has been planted, find it
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// NOTE: This task is used by both CT and T's to find the bomb
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if (me->GetTask() == CCSBot::FIND_TICKING_BOMB)
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{
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if (!me->GetGameState()->IsBombPlanted())
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{
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// the bomb is not planted - give up this task
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me->Idle();
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return;
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}
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if (me->GetGameState()->GetPlantedBombsite() != CSGameState::UNKNOWN)
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{
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// we know where the bomb is planted, stop searching
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me->Idle();
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return;
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}
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// check off bombsites that we explore or happen to stumble into
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for( int z=0; z<TheCSBots()->GetZoneCount(); ++z )
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{
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// don't re-check zones
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if (me->GetGameState()->IsBombsiteClear( z ))
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continue;
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if (TheCSBots()->GetZone(z)->m_extent.Contains( myOrigin ))
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{
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// note this bombsite is clear
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me->GetGameState()->ClearBombsite( z );
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if (me->GetTeamNumber() == TEAM_CT)
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{
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// tell teammates this bombsite is clear
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me->GetChatter()->BombsiteClear( z );
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}
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// find another zone to check
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me->Idle();
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return;
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}
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}
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// move to a bombsite
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break;
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}
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if (me->GetTeamNumber() == TEAM_CT)
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{
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if (me->GetGameState()->IsBombPlanted())
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{
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switch( me->GetTask() )
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{
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case CCSBot::DEFUSE_BOMB:
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{
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// if we are near the bombsite and there is time left, sneak in (unless all enemies are dead)
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if (me->GetEnemiesRemaining())
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{
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const float plentyOfTime = 15.0f;
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if (TheCSBots()->GetBombTimeLeft() > plentyOfTime)
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{
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// get distance remaining on our path until we reach the bombsite
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float range = me->GetPathDistanceRemaining();
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const float closeRange = 1500.0f;
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if (range < closeRange)
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{
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me->Walk();
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}
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else
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{
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me->Run();
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}
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}
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}
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else
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{
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// everyone is dead - run!
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me->Run();
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}
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// if we are trying to defuse the bomb, and someone has started defusing, guard them instead
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if (me->CanSeePlantedBomb() && TheCSBots()->GetBombDefuser())
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{
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me->GetChatter()->Say( "CoveringFriend" );
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me->Idle();
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return;
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}
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// if we are near the bomb, defuse it (if we are reloading, don't try to defuse until we finish)
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const Vector *bombPos = me->GetGameState()->GetBombPosition();
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if (bombPos && !me->IsReloading())
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{
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const float defuseRange = 100.0f; // 50
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if ((*bombPos - me->EyePosition()).IsLengthLessThan( defuseRange ))
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{
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// make sure we can see the bomb
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if (me->IsVisible( *bombPos ))
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{
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me->DefuseBomb();
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return;
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}
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}
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}
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break;
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}
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default:
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{
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// we need to find the bomb
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me->Idle();
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return;
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}
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}
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}
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}
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else // TERRORIST
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{
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if (me->GetTask() == CCSBot::PLANT_BOMB )
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{
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if ( me->GetFriendsRemaining() )
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{
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// if we are about to plant, radio for cover
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if (!m_askedForCover)
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{
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const float nearPlantSite = 50.0f;
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if (me->IsAtBombsite() && me->GetPathDistanceRemaining() < nearPlantSite)
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{
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// radio to the team
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me->GetChatter()->PlantingTheBomb( me->GetPlace() );
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m_askedForCover = true;
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}
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// after we have started to move to the bombsite, tell team we're going to plant, and where
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// don't do this if we have already radioed that we are starting to plant
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if (!m_radioedPlan)
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{
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const float radioTime = 2.0f;
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if (gpGlobals->curtime - me->GetStateTimestamp() > radioTime)
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{
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// radio to the team if we're more than 10 seconds (2400 units) out
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const float nearPlantSite = 2400.0f;
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if ( me->GetPathDistanceRemaining() >= nearPlantSite )
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{
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me->GetChatter()->GoingToPlantTheBomb( TheNavMesh->GetPlace( m_goalPosition ) );
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}
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m_radioedPlan = true;
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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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break;
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}
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//--------------------------------------------------------------------------------------------------
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case CCSBotManager::SCENARIO_RESCUE_HOSTAGES:
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{
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if (me->GetTask() == CCSBot::COLLECT_HOSTAGES)
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{
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//
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// Since CT's have a radar, they can directly look at the actual hostage state
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//
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// check if someone else collected our hostage, or the hostage died or was rescued
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CHostage *hostage = static_cast<CHostage *>( me->GetGoalEntity() );
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if (hostage == NULL || !hostage->IsValid() || hostage->IsFollowingSomeone())
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{
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me->Idle();
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return;
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}
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Vector hostageOrigin = GetCentroid( hostage );
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// if our hostage has moved, repath
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const float repathToleranceSq = 75.0f * 75.0f;
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float error = (hostageOrigin - m_goalPosition).LengthSqr();
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if (error > repathToleranceSq)
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{
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m_goalPosition = hostageOrigin;
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me->ComputePath( m_goalPosition, SAFEST_ROUTE );
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}
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/// @todo Generalize ladder priorities over other tasks
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if (!me->IsUsingLadder())
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{
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Vector pos = hostage->EyePosition();
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Vector to = pos - me->EyePosition(); // "Use" checks from eye position, so we should too
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// look at the hostage as we approach
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const float watchHostageRange = 100.0f;
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if (to.IsLengthLessThan( watchHostageRange ))
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{
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me->SetLookAt( "Hostage", pos, PRIORITY_LOW, 0.5f );
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// randomly move just a bit to avoid infinite use loops from bad hostage placement
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NavRelativeDirType dir = (NavRelativeDirType)RandomInt( 0, 3 );
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switch( dir )
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{
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case LEFT: me->StrafeLeft(); break;
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case RIGHT: me->StrafeRight(); break;
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case FORWARD: me->MoveForward(); break;
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case BACKWARD: me->MoveBackward(); break;
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}
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// check if we are close enough to the hostage to talk to him
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const float useRange = PLAYER_USE_RADIUS - 10.0f; // shave off a fudge factor to make sure we're within range
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if (to.IsLengthLessThan( useRange ))
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{
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me->UseEntity( me->GetGoalEntity() );
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return;
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}
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}
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}
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}
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else if (me->GetTask() == CCSBot::RESCUE_HOSTAGES)
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{
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// periodically check if we lost all our hostages
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if (me->GetHostageEscortCount() == 0)
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{
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// lost our hostages - go get 'em
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me->Idle();
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return;
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}
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}
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break;
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}
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}
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if (me->UpdatePathMovement() != CCSBot::PROGRESSING)
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{
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// reached destination
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switch( me->GetTask() )
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{
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case CCSBot::PLANT_BOMB:
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// if we are at bombsite with the bomb, plant it
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if (me->IsAtBombsite() && me->HasC4())
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{
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me->PlantBomb();
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return;
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}
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break;
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case CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION:
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{
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CBasePlayer *victim = static_cast<CBasePlayer *>( me->GetTaskEntity() );
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if (victim && victim->IsAlive())
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{
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// if we got here and haven't re-acquired the enemy, we lost him
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BotStatement *say = new BotStatement( me->GetChatter(), REPORT_ENEMY_LOST, 8.0f );
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say->AppendPhrase( TheBotPhrases->GetPhrase( "LostEnemy" ) );
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say->SetStartTime( gpGlobals->curtime + RandomFloat( 3.0f, 5.0f ) );
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me->GetChatter()->AddStatement( say );
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}
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break;
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}
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}
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// default behavior when destination is reached
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me->Idle();
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return;
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}
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}
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//--------------------------------------------------------------------------------------------------------------
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void MoveToState::OnExit( CCSBot *me )
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{
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// reset to run in case we were walking near our goal position
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me->Run();
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me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
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//me->StopAiming();
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}
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