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Created Shadow Walker NPC by copying experimental npc_collaborator code. WIP
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sp/src/game/server/mod/npc_shadow_walker.cpp
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273
sp/src/game/server/mod/npc_shadow_walker.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
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// This is a skeleton file for use when creating a new
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// NPC. Copy and rename this file for the new
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// NPC and add the copy to the build.
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//
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// Leave this file in the build until we ship! Allowing
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// this file to be rebuilt with the rest of the game ensures
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// that it stays up to date with the rest of the NPC code.
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//
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// Replace occurances of CNPC_ShadowWalker with the new NPC's
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// classname. Don't forget the lower-case occurance in
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// LINK_ENTITY_TO_CLASS()
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//
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//
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// ASSUMPTIONS MADE:
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//
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// You're making a character based on CAI_BaseNPC. If this
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// is not true, make sure you replace all occurances
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// of 'CAI_BaseNPC' in this file with the appropriate
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// parent class.
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//
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// You're making a human-sized NPC that walks.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "ai_default.h"
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#include "ai_task.h"
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#include "ai_schedule.h"
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#include "ai_hull.h"
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#include "soundent.h"
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#include "game.h"
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#include "npcevent.h"
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#include "entitylist.h"
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#include "activitylist.h"
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#include "ai_basenpc.h"
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#include "engine/IEngineSound.h"
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#include "basehlcombatweapon_shared.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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// Private activities
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//=========================================================
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//int ACT_MYCUSTOMACTIVITY = -1;
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//=========================================================
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// Custom schedules
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//=========================================================
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//enum
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//{
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// SCHED_MYCUSTOMSCHEDULE = LAST_SHARED_SCHEDULE,
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//};
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//=========================================================
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// Custom tasks
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//=========================================================
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//enum
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//{
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// TASK_MYCUSTOMTASK = LAST_SHARED_TASK,
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//};
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//=========================================================
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// Custom Conditions
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//=========================================================
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//enum
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//{
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// COND_MYCUSTOMCONDITION = LAST_SHARED_CONDITION,
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//};
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//=========================================================
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//=========================================================
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class CNPC_ShadowWalker : public CAI_BaseNPC
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{
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DECLARE_CLASS( CNPC_ShadowWalker, CAI_BaseNPC );
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public:
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void Precache( void );
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void Spawn( void );
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Class_T Classify( void );
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int SelectFailSchedule(int failedSchedule, int failedTask, AI_TaskFailureCode_t taskFailCode);
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int SelectScheduleRetrieveItem();
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int SelectSchedule();
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DECLARE_DATADESC();
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// This is a dummy field. In order to provide save/restore
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// code in this file, we must have at least one field
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// for the code to operate on. Delete this field when
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// you are ready to do your own save/restore for this
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// character.
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bool m_bHasWeapon;
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DEFINE_CUSTOM_AI;
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};
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LINK_ENTITY_TO_CLASS( npc_shadow_walker, CNPC_ShadowWalker );
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IMPLEMENT_CUSTOM_AI( npc_citizen,CNPC_ShadowWalker );
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//---------------------------------------------------------
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// Save/Restore
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//---------------------------------------------------------
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BEGIN_DATADESC( CNPC_ShadowWalker )
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DEFINE_FIELD(m_bHasWeapon, FIELD_BOOLEAN),
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END_DATADESC()
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//-----------------------------------------------------------------------------
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// Purpose: Initialize the custom schedules
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// Input :
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// Output :
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//-----------------------------------------------------------------------------
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void CNPC_ShadowWalker::InitCustomSchedules(void)
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{
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INIT_CUSTOM_AI(CNPC_ShadowWalker);
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//ADD_CUSTOM_TASK(CNPC_ShadowWalker, TASK_MYCUSTOMTASK);
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//ADD_CUSTOM_SCHEDULE(CNPC_ShadowWalker, SCHED_MYCUSTOMSCHEDULE);
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//ADD_CUSTOM_ACTIVITY(CNPC_ShadowWalker, ACT_MYCUSTOMACTIVITY);
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//ADD_CUSTOM_CONDITION(CNPC_ShadowWalker, COND_MYCUSTOMCONDITION);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//
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//
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//-----------------------------------------------------------------------------
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void CNPC_ShadowWalker::Precache( void )
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{
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PrecacheModel( "models/monster/subject.mdl" ); // Replace this with setting from Hammer
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BaseClass::Precache();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//
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//
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//-----------------------------------------------------------------------------
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void CNPC_ShadowWalker::Spawn( void )
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{
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Precache();
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SetModel( "models/monster/subject.mdl" ); // Replace this with setting from Hammer
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SetHullType(HULL_HUMAN);
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SetHullSizeNormal();
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SetSolid( SOLID_BBOX );
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AddSolidFlags( FSOLID_NOT_STANDABLE );
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SetMoveType( MOVETYPE_STEP );
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SetBloodColor( BLOOD_COLOR_RED );
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m_iHealth = 50; // Replace this with setting from Hammer
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m_flFieldOfView = 0.5;
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m_NPCState = NPC_STATE_NONE;
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CapabilitiesClear();
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if (!HasSpawnFlags(SF_NPC_START_EFFICIENT))
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{
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// CapabilitiesAdd(bits_CAP_ANIMATEDFACE);
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CapabilitiesAdd(bits_CAP_TURN_HEAD);
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CapabilitiesAdd(bits_CAP_USE_WEAPONS | bits_CAP_AIM_GUN | bits_CAP_MOVE_SHOOT);
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CapabilitiesAdd(bits_CAP_INNATE_MELEE_ATTACK1);
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CapabilitiesAdd(bits_CAP_DUCK | bits_CAP_DOORS_GROUP);
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CapabilitiesAdd(bits_CAP_USE_SHOT_REGULATOR);
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}
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CapabilitiesAdd(bits_CAP_MOVE_GROUND);
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SetMoveType(MOVETYPE_STEP);
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NPCInit();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Choose a schedule after schedule failed
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// Copied from npc_citizen
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//-----------------------------------------------------------------------------
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int CNPC_ShadowWalker::SelectFailSchedule(int failedSchedule, int failedTask, AI_TaskFailureCode_t taskFailCode)
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{
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switch (failedSchedule)
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{
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case SCHED_NEW_WEAPON:
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// If failed trying to pick up a weapon, try again in one second. This is because other AI code
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// has put this off for 10 seconds under the assumption that the citizen would be able to
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// pick up the weapon that they found.
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m_flNextWeaponSearchTime = gpGlobals->curtime + 1.0f;
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break;
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case SCHED_TAKE_COVER_FROM_ENEMY:
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// I can't take cover, so I need to run away!
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return SCHED_RUN_FROM_ENEMY;
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}
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return BaseClass::SelectFailSchedule(failedSchedule, failedTask, taskFailCode);
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}
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//-----------------------------------------------------------------------------
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// Copied from npc_citizen
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//-----------------------------------------------------------------------------
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int CNPC_ShadowWalker::SelectScheduleRetrieveItem()
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{
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if (HasCondition(COND_BETTER_WEAPON_AVAILABLE))
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{
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CBaseHLCombatWeapon *pWeapon = dynamic_cast<CBaseHLCombatWeapon *>(Weapon_FindUsable(WEAPON_SEARCH_DELTA));
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if (pWeapon)
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{
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m_flNextWeaponSearchTime = gpGlobals->curtime + 10.0;
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// Now lock the weapon for several seconds while we go to pick it up.
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pWeapon->Lock(10.0, this);
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SetTarget(pWeapon);
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return SCHED_NEW_WEAPON;
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}
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}
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return SCHED_NONE;
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}
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//-----------------------------------------------------------------------------
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// Copied from npc_citizen - used as SelectSchedule instead of SelectPriorityAction
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//-----------------------------------------------------------------------------
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int CNPC_ShadowWalker::SelectSchedule()
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{
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// Top priority - If there is a weapon available, grab it!
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int schedule = SelectScheduleRetrieveItem();
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if (schedule != SCHED_NONE)
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return schedule;
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// Can I see the enemy?
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if (HasCondition(COND_SEE_ENEMY) && HasCondition(COND_ENEMY_FACING_ME))
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{
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// Enemy can't see me
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if (!HasCondition(COND_HAVE_ENEMY_LOS)) {
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return SCHED_CHASE_ENEMY;
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}
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return SCHED_RUN_FROM_ENEMY;
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}
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schedule = BaseClass::SelectSchedule();
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if (schedule != SCHED_NONE)
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return schedule;
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// I musn't run away! I musn't run away!
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// If BaseNPC chooses to run from enemy, take cover instead
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if (schedule == SCHED_RUN_FROM_ENEMY &&!HasCondition(COND_NO_WEAPON)) {
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return SCHED_TAKE_COVER_FROM_ENEMY;
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}
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return SCHED_IDLE_STAND;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//
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//
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// Output :
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//-----------------------------------------------------------------------------
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Class_T CNPC_ShadowWalker::Classify( void )
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{
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return CLASS_ZOMBIE;
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}
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