jediacademy/code/game/AI_GalakMech.cpp
2013-04-04 17:35:38 -05:00

743 lines
20 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////
// RAVEN SOFTWARE - STAR WARS: JK III
// (c) 2002 Activision
//
// April 3, 2003 - This file has been commandeered for use by AI vehicle pilots.
//
////////////////////////////////////////////////////////////////////////////////////////
#include "g_headers.h"
////////////////////////////////////////////////////////////////////////////////////////
// Includes
////////////////////////////////////////////////////////////////////////////////////////
#include "b_local.h"
#include "anims.h"
#include "g_navigator.h"
#include "g_Vehicles.h"
#if !defined(RATL_VECTOR_VS_INC)
#include "..\Ratl\vector_vs.h"
#endif
////////////////////////////////////////////////////////////////////////////////////////
// Defines
////////////////////////////////////////////////////////////////////////////////////////
#define MAX_VEHICLES_REGISTERED 100
#define ATTACK_FWD 0.95f
#define ATTACK_SIDE 0.20f
#define AIM_SIDE 0.60f
#define FUTURE_PRED_DIST 20.0f
#define FUTURE_SIDE_DIST 60.0f
#define ATTACK_FLANK_SLOWING 1000.0f
#define RAM_DIST 150.0f
#define MIN_STAY_VIEWABLE_TIME 20000
////////////////////////////////////////////////////////////////////////////////////////
// Externs
////////////////////////////////////////////////////////////////////////////////////////
extern Vehicle_t *G_IsRidingVehicle( gentity_t *ent );
extern void G_SoundAtSpot( vec3_t org, int soundIndex, qboolean broadcast );
trace_t mPilotViewTrace;
int mPilotViewTraceCount;
int mActivePilotCount;
ratl::vector_vs<gentity_t *, MAX_VEHICLES_REGISTERED> mRegistered;
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
void Pilot_Reset(void)
{
mPilotViewTraceCount = 0;
mActivePilotCount = 0;
mRegistered.clear();
}
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
int Pilot_ActivePilotCount()
{
return mActivePilotCount;
}
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
void Pilot_Update(void)
{
mActivePilotCount = 0;
mRegistered.clear();
for (int i=0; i<ENTITYNUM_WORLD; i++)
{
if (g_entities[i].inuse &&
g_entities[i].client &&
g_entities[i].NPC &&
g_entities[i].NPC->greetEnt &&
g_entities[i].NPC->greetEnt->owner==(&g_entities[i])
)
{
mActivePilotCount++;
}
if ( g_entities[i].inuse &&
g_entities[i].client &&
g_entities[i].m_pVehicle &&
!g_entities[i].owner &&
g_entities[i].health>0 &&
g_entities[i].m_pVehicle->m_pVehicleInfo->type==VH_SPEEDER &&
!mRegistered.full())
{
mRegistered.push_back(&g_entities[i]);
}
}
if (player &&
player->inuse &&
TIMER_Done(player, "FlybySoundArchitectureDebounce"))
{
TIMER_Set(player, "FlybySoundArchitectureDebounce", 300);
Vehicle_t* pVeh = G_IsRidingVehicle(player);
if (pVeh &&
(pVeh->m_pVehicleInfo->soundFlyBy || pVeh->m_pVehicleInfo->soundFlyBy2) &&
//fabsf(pVeh->m_pParentEntity->currentAngles[2])<15.0f &&
VectorLength(pVeh->m_pParentEntity->client->ps.velocity)>500.0f)
{
vec3_t projectedPosition;
vec3_t projectedDirection;
vec3_t projectedRight;
vec3_t anglesNoRoll;
VectorCopy(pVeh->m_pParentEntity->currentAngles, anglesNoRoll);
anglesNoRoll[2] = 0;
AngleVectors(anglesNoRoll, projectedDirection, projectedRight, 0);
VectorMA(player->currentOrigin, 1.2f, pVeh->m_pParentEntity->client->ps.velocity, projectedPosition);
VectorMA(projectedPosition, Q_flrand(-200.0f, 200.0f), projectedRight, projectedPosition);
gi.trace(&mPilotViewTrace,
player->currentOrigin,
0,
0,
projectedPosition,
player->s.number,
MASK_SHOT);
if ((mPilotViewTrace.allsolid==qfalse) &&
(mPilotViewTrace.startsolid==qfalse) &&
(mPilotViewTrace.fraction<0.99f) &&
(mPilotViewTrace.plane.normal[2]<0.5f) &&
(DotProduct(projectedDirection, mPilotViewTrace.plane.normal)<-0.5f)
)
{
// CG_DrawEdge(player->currentOrigin, mPilotViewTrace.endpos, EDGE_IMPACT_POSSIBLE);
TIMER_Set(player, "FlybySoundArchitectureDebounce", Q_irand(1000, 2000));
int soundFlyBy = pVeh->m_pVehicleInfo->soundFlyBy;
if (pVeh->m_pVehicleInfo->soundFlyBy2 && (!soundFlyBy || !Q_irand(0,1)))
{
soundFlyBy = pVeh->m_pVehicleInfo->soundFlyBy2;
}
G_SoundAtSpot(mPilotViewTrace.endpos, soundFlyBy, qtrue);
}
else
{
// CG_DrawEdge(player->currentOrigin, mPilotViewTrace.endpos, EDGE_IMPACT_SAFE);
}
}
}
}
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
bool Pilot_AnyVehiclesRegistered()
{
return (!mRegistered.empty());
}
////////////////////////////////////////////////////////////////////////////////////////
// Vehicle Registration
//
// Any vehicles that can be ridden by NPCs should be registered here
//
////////////////////////////////////////////////////////////////////////////////////////
void Vehicle_Register(gentity_t *ent)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Vehicle Remove From The List Of Valid
////////////////////////////////////////////////////////////////////////////////////////
void Vehicle_Remove(gentity_t *ent)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Vehicle_Find
//
// Will look through all registered vehicles and choose the closest one that the given
// entity can get to.
//
////////////////////////////////////////////////////////////////////////////////////////
gentity_t* Vehicle_Find(gentity_t *ent)
{
gentity_t* closest = 0;
float closestDist = 0;
float curDist = 0;
for (int i=0; i<mRegistered.size(); i++)
{
if (!mRegistered[i]->owner)
{
curDist = Distance(mRegistered[i]->currentOrigin, ent->currentOrigin);
if (curDist<1000 && (!closest || curDist<closestDist))
{
if (NAV::InSameRegion(ent, mRegistered[i]))
{
closest = mRegistered[i];
closestDist = curDist;
}
}
}
}
return closest;
}
void Pilot_Update_Enemy();
void Pilot_Steer_Vehicle();
void Pilot_Goto_Vehicle();
////////////////////////////////////////////////////////////////////////////////////////
// Pilot_MasterUpdate() - Master think function for Pilot NPCs
//
// Will return true if the character is either driving a vehicle or on his way to get
// onto one.
////////////////////////////////////////////////////////////////////////////////////////
bool Pilot_MasterUpdate()
{
if (!NPC->enemy)
{
// If Still On A Vehicle, Jump Off
//---------------------------------
if (NPCInfo->greetEnt)
{
ucmd.upmove = 128.0f;
if (NPCInfo->greetEnt && NPCInfo->greetEnt->m_pVehicle && level.time<NPCInfo->confusionTime)
{
Vehicle_t* pVeh = NPCInfo->greetEnt->m_pVehicle;
if (!(pVeh->m_ulFlags&VEH_OUTOFCONTROL))
{
gentity_t* parent = pVeh->m_pParentEntity;
float CurSpeed = VectorLength(parent->client->ps.velocity);
pVeh->m_pVehicleInfo->StartDeathDelay(pVeh, 10000);
pVeh->m_ulFlags |= (VEH_OUTOFCONTROL);
VectorScale(parent->client->ps.velocity, 1.25f, parent->pos3);
if (CurSpeed<pVeh->m_pVehicleInfo->speedMax)
{
VectorNormalize(parent->pos3);
if (fabsf(parent->pos3[2])<0.25f)
{
VectorScale(parent->pos3, (pVeh->m_pVehicleInfo->speedMax * 1.25f), parent->pos3);
}
else
{
VectorScale(parent->client->ps.velocity, 1.25f, parent->pos3);
}
}
}
}
if (NPCInfo->greetEnt->owner==NPC)
{
return true;
}
NPCInfo->greetEnt = 0;
}
// Otherwise Nothing To See Here
//-------------------------------
return false;
}
// If We Already Have A Target Vehicle, Make Sure It Is Still Valid
//------------------------------------------------------------------
if (NPCInfo->greetEnt)
{
if (!NPCInfo->greetEnt->inuse ||
!NPCInfo->greetEnt->m_pVehicle ||
!NPCInfo->greetEnt->m_pVehicle->m_pVehicleInfo)
{
NPCInfo->greetEnt = Vehicle_Find(NPC);
}
else
{
if (NPCInfo->greetEnt->owner && NPCInfo->greetEnt->owner!=NPC)
{
NPCInfo->greetEnt = Vehicle_Find(NPC);
}
}
}
// If We Have An Enemy, Try To Find A Vehicle Nearby
//---------------------------------------------------
else
{
NPCInfo->greetEnt = Vehicle_Find(NPC);
}
// If No Vehicle Available, Continue As Usual
//--------------------------------------------
if (!NPCInfo->greetEnt)
{
return false;
}
if (NPCInfo->greetEnt->owner==NPC)
{
Pilot_Steer_Vehicle();
}
else
{
Pilot_Goto_Vehicle();
}
Pilot_Update_Enemy();
return true;
}
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
void Pilot_Update_Enemy()
{
if (!TIMER_Exists(NPC, "PilotRemoveTime"))
{
TIMER_Set(NPC, "PilotRemoveTime", MIN_STAY_VIEWABLE_TIME);
}
if (TIMER_Done(NPC, "NextPilotCheckEnemyTime"))
{
TIMER_Set(NPC, "NextPilotCheckEnemyTime", Q_irand(1000,2000));
if (NPC->enemy && Distance(NPC->currentOrigin, NPC->enemy->currentOrigin)>1000.0f)
{
mPilotViewTraceCount ++;
gi.trace(&mPilotViewTrace,
NPC->currentOrigin,
0,
0,
NPC->enemy->currentOrigin,
NPC->s.number,
MASK_SHOT);
if ((mPilotViewTrace.allsolid==qfalse) &&
(mPilotViewTrace.startsolid==qfalse ) &&
((mPilotViewTrace.entityNum==NPC->enemy->s.number)||(mPilotViewTrace.entityNum==NPC->enemy->s.m_iVehicleNum)))
{
TIMER_Set(NPC, "PilotRemoveTime", MIN_STAY_VIEWABLE_TIME);
}
}
else
{
TIMER_Set(NPC, "PilotRemoveTime", MIN_STAY_VIEWABLE_TIME);
}
}
if (TIMER_Done(NPC, "PilotRemoveTime"))
{
if (NPCInfo->greetEnt->owner==NPC)
{
NPCInfo->greetEnt->e_ThinkFunc = thinkF_G_FreeEntity;
NPCInfo->greetEnt->nextthink = level.time;
}
NPC->e_ThinkFunc = thinkF_G_FreeEntity;
NPC->nextthink = level.time;
}
}
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
void Pilot_Goto_Vehicle()
{
STEER::Activate(NPC);
{
if (STEER::Reached(NPC, NPCInfo->greetEnt, 80.0f))
{
NPC_Use(NPCInfo->greetEnt, NPC, NPC);
}
else if (NAV::OnNeighboringPoints(NPC, NPCInfo->greetEnt))
{
STEER::Persue(NPC, NPCInfo->greetEnt, 50.0f, 0.0f, 30.0f, 0.0f, true);
}
else
{
if (!NAV::GoTo(NPC, NPCInfo->greetEnt))
{
STEER::Stop(NPC);
}
}
}
STEER::AvoidCollisions(NPC);
STEER::DeActivate(NPC, &ucmd);
NPC_UpdateAngles(qtrue, qtrue);
}
extern bool VEH_StartStrafeRam(Vehicle_t *pVeh, bool Right);
////////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////////
void Pilot_Steer_Vehicle()
{
if (!NPC->enemy || !NPC->enemy->client)
{
return;
}
// SETUP
//=======
// Setup Actor Data
//------------------
CVec3 ActorPos(NPC->currentOrigin);
CVec3 ActorAngles(NPC->currentAngles);
ActorAngles[2] = 0;
Vehicle_t* ActorVeh = NPCInfo->greetEnt->m_pVehicle;
bool ActorInTurbo = (ActorVeh->m_iTurboTime>level.time);
float ActorSpeed = (ActorVeh)?(VectorLength(ActorVeh->m_pParentEntity->client->ps.velocity)):(NPC->client->ps.speed);
// If my vehicle is spinning out of control, just hold on, we're going to die!!!!!
//---------------------------------------------------------------------------------
if (ActorVeh && (ActorVeh->m_ulFlags & VEH_OUTOFCONTROL))
{
if (NPC->client->ps.weapon!=WP_NONE)
{
NPC_ChangeWeapon(WP_NONE);
}
ucmd.buttons &=~BUTTON_ATTACK;
ucmd.buttons &=~BUTTON_ALT_ATTACK;
return;
}
CVec3 ActorDirection;
AngleVectors(ActorAngles.v, ActorDirection.v, 0, 0);
CVec3 ActorFuturePos(ActorPos);
ActorFuturePos.ScaleAdd(ActorDirection, FUTURE_PRED_DIST);
bool ActorDoTurbo = false;
bool ActorAccelerate = false;
bool ActorAimAtTarget= true;
float ActorYawOffset = 0.0f;
// Setup Enemy Data
//------------------
CVec3 EnemyPos(NPC->enemy->currentOrigin);
CVec3 EnemyAngles(NPC->enemy->currentAngles);
EnemyAngles[2] = 0;
Vehicle_t* EnemyVeh = (NPC->enemy->s.m_iVehicleNum)?(g_entities[NPC->enemy->s.m_iVehicleNum].m_pVehicle):(0);
bool EnemyInTurbo = (EnemyVeh && EnemyVeh->m_iTurboTime>level.time);
float EnemySpeed = (EnemyVeh)?(EnemyVeh->m_pParentEntity->client->ps.speed):(NPC->enemy->resultspeed);
bool EnemySlideBreak = (EnemyVeh && (EnemyVeh->m_ulFlags&VEH_SLIDEBREAKING || EnemyVeh->m_ulFlags&VEH_STRAFERAM));
bool EnemyDead = (NPC->enemy->health<=0);
bool ActorFlank = (NPCInfo->lastAvoidSteerSideDebouncer>level.time && EnemyVeh && EnemySpeed>10.0f);
CVec3 EnemyDirection;
CVec3 EnemyRight;
AngleVectors(EnemyAngles.v, EnemyDirection.v, EnemyRight.v, 0);
CVec3 EnemyFuturePos(EnemyPos);
EnemyFuturePos.ScaleAdd(EnemyDirection, FUTURE_PRED_DIST);
ESide EnemySide = ActorPos.LRTest(EnemyPos, EnemyFuturePos);
CVec3 EnemyFlankPos(EnemyFuturePos);
EnemyFlankPos.ScaleAdd(EnemyRight, (EnemySide==Side_Right)?(FUTURE_SIDE_DIST):(-FUTURE_SIDE_DIST));
// Debug Draw Enemy Data
//-----------------------
if (false)
{
CG_DrawEdge(EnemyPos.v, EnemyFuturePos.v, EDGE_IMPACT_SAFE);
CG_DrawEdge(EnemyFuturePos.v, EnemyFlankPos.v, EDGE_IMPACT_SAFE);
}
// Setup Move And Aim Directions
//-------------------------------
CVec3 MoveDirection((ActorFlank)?(EnemyFlankPos):(EnemyFuturePos));
MoveDirection -= ActorPos;
float MoveDistance = MoveDirection.SafeNorm();
float MoveAccuracy = MoveDirection.Dot(ActorDirection);
CVec3 AimDirection(EnemyPos);
AimDirection -= ActorPos;
float AimDistance = AimDirection.SafeNorm();
float AimAccuracy = AimDirection.Dot(ActorDirection);
if (!ActorFlank && TIMER_Done(NPC, "FlankAttackCheck"))
{
TIMER_Set(NPC, "FlankAttackCheck", Q_irand(1000, 3000));
if (MoveDistance<4000 && Q_irand(0, 1)==0)
{
NPCInfo->lastAvoidSteerSideDebouncer = level.time + Q_irand(8000, 14000);
}
}
// Fly By Sounds
//---------------
if ((ActorVeh->m_pVehicleInfo->soundFlyBy || ActorVeh->m_pVehicleInfo->soundFlyBy2) &&
EnemyVeh &&
MoveDistance<800 &&
ActorSpeed>500.0f &&
TIMER_Done(NPC, "FlybySoundDebouncer")
)
{
if (EnemySpeed<100.0f || (ActorDirection.Dot(EnemyDirection)*(MoveDistance/800.0f))<-0.5f)
{
TIMER_Set(NPC, "FlybySoundDebouncer", 2000);
int soundFlyBy = ActorVeh->m_pVehicleInfo->soundFlyBy;
if (ActorVeh->m_pVehicleInfo->soundFlyBy2 && (!soundFlyBy || !Q_irand(0,1)))
{
soundFlyBy = ActorVeh->m_pVehicleInfo->soundFlyBy2;
}
G_Sound(ActorVeh->m_pParentEntity, soundFlyBy);
}
}
// FLY PAST BEHAVIOR
//===================
if (EnemySlideBreak || !TIMER_Done(NPC, "MinHoldDirectionTime"))
{
if (TIMER_Done(NPC, "MinHoldDirectionTime"))
{
TIMER_Set(NPC, "MinHoldDirectionTime", 500); // Hold For At Least 500 ms
}
ActorAccelerate = true; // Go
ActorAimAtTarget = false; // Don't Alter Our Aim Direction
ucmd.buttons &=~BUTTON_VEH_SPEED; // Let Normal Vehicle Controls Go
}
// FLANKING BEHAVIOR
//===================
else if (ActorFlank)
{
ActorAccelerate = true;
ActorDoTurbo = (MoveDistance>2500 || EnemyInTurbo);
ucmd.buttons |= BUTTON_VEH_SPEED; // Tells PMove to use the ps.speed we calculate here, not the one from g_vehicles.c
// For Flanking, We Calculate The Speed By Hand, Rather Than Using Pure Accelerate / No Accelerate Functionality
//---------------------------------------------------------------------------------------------------------------
NPC->client->ps.speed = ActorVeh->m_pVehicleInfo->speedMax * ((ActorInTurbo)?(1.35f):(1.15f));
// If In Slowing Distance, Scale Down The Speed As We Approach Our Move Target
//-----------------------------------------------------------------------------
if (MoveDistance<ATTACK_FLANK_SLOWING)
{
NPC->client->ps.speed *= (MoveDistance/ATTACK_FLANK_SLOWING);
NPC->client->ps.speed += EnemySpeed;
// Match Enemy Speed
//-------------------
if (NPC->client->ps.speed<5.0f && EnemySpeed<5.0f)
{
NPC->client->ps.speed = EnemySpeed;
}
// Extra Slow Down When Out In Front
//-----------------------------------
if (MoveAccuracy<0.0f)
{
NPC->client->ps.speed *= (MoveAccuracy + 1.0f);
}
MoveDirection *= (MoveDistance/ATTACK_FLANK_SLOWING);
EnemyDirection *= 1.0f - (MoveDistance/ATTACK_FLANK_SLOWING);
MoveDirection += EnemyDirection;
if (TIMER_Done(NPC, "RamCheck"))
{
TIMER_Set(NPC, "RamCheck", Q_irand(1000, 3000));
if (MoveDistance<RAM_DIST && Q_irand(0, 2)==0)
{
VEH_StartStrafeRam(ActorVeh, (EnemySide==Side_Left));
}
}
}
}
// NORMAL CHASE BEHAVIOR
//=======================
else
{
if (!EnemyVeh && AimAccuracy>0.99f && MoveDistance<500 && !EnemyDead)
{
ActorAccelerate = true;
ActorDoTurbo = false;
}
else
{
ActorAccelerate = ((MoveDistance>500 && EnemySpeed>20.0f) || MoveDistance>1000);
ActorDoTurbo = (MoveDistance>3000 && EnemySpeed>20.0f);
}
ucmd.buttons &=~BUTTON_VEH_SPEED;
}
// APPLY RESULTS
//=======================
// Decide Turbo
//--------------
if (ActorDoTurbo || ActorInTurbo)
{
ucmd.buttons |= BUTTON_ALT_ATTACK;
}
else
{
ucmd.buttons &=~BUTTON_ALT_ATTACK;
}
// Decide Acceleration
//---------------------
ucmd.forwardmove = (ActorAccelerate)?(127):(0);
// Decide To Shoot
//-----------------
ucmd.buttons &=~BUTTON_ATTACK;
ucmd.rightmove = 0;
if (AimDistance<2000 && !EnemyDead)
{
// If Doing A Ram Attack
//-----------------------
if (ActorYawOffset!=0)
{
if (NPC->client->ps.weapon!=WP_NONE)
{
NPC_ChangeWeapon(WP_NONE);
}
ucmd.buttons &=~BUTTON_ATTACK;
}
else if (AimAccuracy>ATTACK_FWD)
{
if (NPC->client->ps.weapon!=WP_NONE)
{
NPC_ChangeWeapon(WP_NONE);
}
ucmd.buttons |= BUTTON_ATTACK;
}
else if (AimAccuracy<AIM_SIDE && AimAccuracy>-AIM_SIDE)
{
if (NPC->client->ps.weapon!=WP_BLASTER)
{
NPC_ChangeWeapon(WP_BLASTER);
}
if (AimAccuracy<ATTACK_SIDE && AimAccuracy>-ATTACK_SIDE)
{
//if (!TIMER_Done(NPC, "RiderAltAttack"))
//{
// ucmd.buttons |= BUTTON_ALT_ATTACK;
//}
//else
//{
ucmd.buttons |= BUTTON_ATTACK;
/* if (TIMER_Done(NPC, "RiderAltAttackCheck"))
{
TIMER_Set(NPC, "RiderAltAttackCheck", Q_irand(1000, 3000));
if (Q_irand(0, 2)==0)
{
TIMER_Set(NPC, "RiderAltAttack", 300);
}
}*/
//}
WeaponThink(true);
}
ucmd.rightmove = (EnemySide==Side_Left)?( 127):(-127);
}
else
{
if (NPC->client->ps.weapon!=WP_NONE)
{
NPC_ChangeWeapon(WP_NONE);
}
}
}
else
{
if (NPC->client->ps.weapon!=WP_NONE)
{
NPC_ChangeWeapon(WP_NONE);
}
}
// Aim At Target
//---------------
if (ActorAimAtTarget)
{
MoveDirection.VecToAng();
NPCInfo->desiredPitch = AngleNormalize360(MoveDirection[PITCH]);
NPCInfo->desiredYaw = AngleNormalize360(MoveDirection[YAW] + ActorYawOffset);
}
NPC_UpdateAngles(qtrue, qtrue);
}