DROID *getNearestDroid(UDWORD x, UDWORD y, bool bSelected)
{
DROID *psDroid, *psBestUnit;
UDWORD bestSoFar;
/* Go thru' all the droids - how often have we seen this - a MACRO maybe? */
for (psDroid = apsDroidLists[selectedPlayer], psBestUnit = NULL, bestSoFar = UDWORD_MAX;
psDroid; psDroid = psDroid->psNext)
{
if (!isVtolDroid(psDroid))
{
/* Clever (?) bit that reads whether we're interested in droids being selected or not */
if (!bSelected || psDroid->selected)
{
uint32_t dist = iHypot(psDroid->pos.x - x, psDroid->pos.y - y);
/* Is this the nearest one we got so far? */
if (dist < bestSoFar)
{
/* Yes, then keep a record of the distance for comparison... */
bestSoFar = dist;
/* ..and store away the droid responsible */
psBestUnit = psDroid;
}
}
}
}
return (psBestUnit);
}
/* Fire a weapon at something */
bool combFire(WEAPON *psWeap, BASE_OBJECT *psAttacker, BASE_OBJECT *psTarget, int weapon_slot)
{
WEAPON_STATS *psStats;
UDWORD damLevel;
UDWORD firePause;
SDWORD longRange;
DROID *psDroid = NULL;
int compIndex;
CHECK_OBJECT(psAttacker);
CHECK_OBJECT(psTarget);
ASSERT(psWeap != NULL, "Invalid weapon pointer");
/* Watermelon:dont shoot if the weapon_slot of a vtol is empty */
if (psAttacker->type == OBJ_DROID && isVtolDroid(((DROID *)psAttacker)))
{
if (((DROID *)psAttacker)->sMove.iAttackRuns[weapon_slot] >= getNumAttackRuns(((DROID *)psAttacker), weapon_slot))
{
objTrace(psAttacker->id, "VTOL slot %d is empty", weapon_slot);
return false;
}
}
/* Get the stats for the weapon */
compIndex = psWeap->nStat;
ASSERT_OR_RETURN( false , compIndex < numWeaponStats, "Invalid range referenced for numWeaponStats, %d > %d", compIndex, numWeaponStats);
psStats = asWeaponStats + compIndex;
// check valid weapon/prop combination
if (!validTarget(psAttacker, psTarget, weapon_slot))
{
return false;
}
/*see if reload-able weapon and out of ammo*/
if (psStats->reloadTime && !psWeap->ammo)
{
if (gameTime - psWeap->lastFired < weaponReloadTime(psStats, psAttacker->player))
{
return false;
}
//reset the ammo level
psWeap->ammo = psStats->numRounds;
}
/* See when the weapon last fired to control it's rate of fire */
firePause = weaponFirePause(psStats, psAttacker->player);
// increase the pause if heavily damaged
switch (psAttacker->type)
{
case OBJ_DROID:
psDroid = (DROID *)psAttacker;
damLevel = PERCENT(psDroid->body, psDroid->originalBody);
break;
case OBJ_STRUCTURE:
damLevel = PERCENT(((STRUCTURE *)psAttacker)->body, structureBody((STRUCTURE *)psAttacker));
break;
default:
damLevel = 100;
break;
}
if (damLevel < HEAVY_DAMAGE_LEVEL)
{
firePause += firePause;
}
if (gameTime - psWeap->lastFired <= firePause)
{
/* Too soon to fire again */
return false;
}
// add a random delay to the fire
// With logical updates, a good graphics gard no longer gives a better ROF.
// TODO Should still replace this with something saner, such as a ±1% random deviation in reload time.
int fireChance = gameTime - (psWeap->lastFired + firePause);
if (gameRand(RANDOM_PAUSE) > fireChance)
{
return false;
}
if (psTarget->visible[psAttacker->player] != UBYTE_MAX)
{
// Can't see it - can't hit it
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Object has no indirect sight of target", psAttacker->id, psStats->pName, psTarget->id);
return false;
}
/* Check we can see the target */
if (psAttacker->type == OBJ_DROID && !isVtolDroid((DROID *)psAttacker)
&& (proj_Direct(psStats) || actionInsideMinRange(psDroid, psTarget, psStats)))
{
if(!lineOfFire(psAttacker, psTarget, weapon_slot, true))
{
// Can't see the target - can't hit it with direct fire
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Droid has no direct line of sight to target",
psAttacker->id, ((DROID *)psAttacker)->aName, psTarget->id);
return false;
}
}
else if ((psAttacker->type == OBJ_STRUCTURE) &&
(((STRUCTURE *)psAttacker)->pStructureType->height == 1) &&
proj_Direct(psStats))
{
// a bunker can't shoot through walls
if (!lineOfFire(psAttacker, psTarget, weapon_slot, true))
{
// Can't see the target - can't hit it with direct fire
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Structure has no direct line of sight to target",
psAttacker->id, ((STRUCTURE *)psAttacker)->pStructureType->pName, psTarget->id);
return false;
}
}
else if ( proj_Direct(psStats) )
{
// VTOL or tall building
if (!lineOfFire(psAttacker, psTarget, weapon_slot, false))
{
// Can't see the target - can't hit it with direct fire
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Tall object has no direct line of sight to target",
psAttacker->id, psStats->pName, psTarget->id);
return false;
}
}
Vector3i deltaPos = psTarget->pos - psAttacker->pos;
// if the turret doesn't turn, check if the attacker is in alignment with the target
if (psAttacker->type == OBJ_DROID && !psStats->rotate)
{
uint16_t targetDir = iAtan2(removeZ(deltaPos));
int dirDiff = abs(angleDelta(targetDir - psAttacker->rot.direction));
if (dirDiff > FIXED_TURRET_DIR)
{
return false;
}
}
/* Now see if the target is in range - also check not too near */
int dist = iHypot(removeZ(deltaPos));
longRange = proj_GetLongRange(psStats);
/* modification by CorvusCorax - calculate shooting angle */
int min_angle = 0;
// only calculate for indirect shots
if (!proj_Direct(psStats) && dist > 0)
{
min_angle = arcOfFire(psAttacker,psTarget,weapon_slot,true);
// prevent extremely steep shots
min_angle = std::min(min_angle, DEG(PROJ_ULTIMATE_PITCH));
// adjust maximum range of unit if forced to shoot very steep
if (min_angle > DEG(PROJ_MAX_PITCH))
{
//do not allow increase of max range though
if (iSin(2*min_angle) < iSin(2*DEG(PROJ_MAX_PITCH))) // If PROJ_MAX_PITCH == 45, then always iSin(2*min_angle) <= iSin(2*DEG(PROJ_MAX_PITCH)), and the test is redundant.
{
longRange = longRange * iSin(2*min_angle) / iSin(2*DEG(PROJ_MAX_PITCH));
}
}
}
int baseHitChance = 0;
if ((dist <= psStats->shortRange) && (dist >= psStats->minRange))
{
// get weapon chance to hit in the short range
baseHitChance = weaponShortHit(psStats,psAttacker->player);
}
else if ((dist <= longRange && dist >= psStats->minRange)
|| (psAttacker->type == OBJ_DROID
&& !proj_Direct(psStats)
&& actionInsideMinRange(psDroid, psTarget, psStats)))
{
// get weapon chance to hit in the long range
baseHitChance = weaponLongHit(psStats,psAttacker->player);
// adapt for height adjusted artillery shots
if (min_angle > DEG(PROJ_MAX_PITCH))
{
baseHitChance = baseHitChance * iCos(min_angle) / iCos(DEG(PROJ_MAX_PITCH));
}
}
else
{
/* Out of range */
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Out of range", psAttacker->id, psStats->pName, psTarget->id);
return false;
}
// apply experience accuracy modifiers to the base
//hit chance, not to the final hit chance
int resultHitChance = baseHitChance;
// add the attacker's experience
if (psAttacker->type == OBJ_DROID)
{
SDWORD level = getDroidEffectiveLevel((DROID *) psAttacker);
// increase total accuracy by EXP_ACCURACY_BONUS % for each experience level
resultHitChance += EXP_ACCURACY_BONUS * level * baseHitChance / 100;
}
// subtract the defender's experience
if (psTarget->type == OBJ_DROID)
{
SDWORD level = getDroidEffectiveLevel((DROID *) psTarget);
// decrease weapon accuracy by EXP_ACCURACY_BONUS % for each experience level
resultHitChance -= EXP_ACCURACY_BONUS * level * baseHitChance / 100;
}
// fire while moving modifiers
if (psAttacker->type == OBJ_DROID &&
((DROID *)psAttacker)->sMove.Status != MOVEINACTIVE)
{
switch (psStats->fireOnMove)
{
case FOM_NO:
// Can't fire while moving
return false;
break;
case FOM_PARTIAL:
resultHitChance = FOM_PARTIAL_ACCURACY_PENALTY * resultHitChance / 100;
break;
case FOM_YES:
// can fire while moving
break;
}
}
/* -------!!! From that point we are sure that we are firing !!!------- */
/* note when the weapon fired */
psWeap->lastFired = gameTime;
/* reduce ammo if salvo */
if (psStats->reloadTime)
{
psWeap->ammo--;
}
// increment the shots counter
psWeap->shotsFired++;
// predicted X,Y offset per sec
Vector3i predict = psTarget->pos;
//Watermelon:Target prediction
if (isDroid(psTarget))
{
DROID *psDroid = castDroid(psTarget);
int32_t flightTime;
if (proj_Direct(psStats) || dist <= psStats->minRange)
{
flightTime = dist / psStats->flightSpeed;
}
else
{
int32_t vXY, vZ; // Unused, we just want the flight time.
flightTime = projCalcIndirectVelocities(dist, deltaPos.z, psStats->flightSpeed, &vXY, &vZ, min_angle);
}
if (psTarget->lastHitWeapon == WSC_EMP)
{
int empTime = EMP_DISABLE_TIME - (gameTime - psTarget->timeLastHit);
CLIP(empTime, 0, EMP_DISABLE_TIME);
if (empTime >= EMP_DISABLE_TIME * 9/10)
{
flightTime = 0; /* Just hit. Assume they'll get hit again */
}
else
{
flightTime = MAX(0, flightTime - empTime);
}
}
predict += Vector3i(iSinCosR(psDroid->sMove.moveDir, psDroid->sMove.speed*flightTime / GAME_TICKS_PER_SEC), 0);
}
/* Fire off the bullet to the miss location. The miss is only visible if the player owns the target. (Why? - Per) */
// What bVisible really does is to make the projectile audible even if it misses you. Since the target is NULL, proj_SendProjectile can't check if it was fired at you.
bool bVisibleAnyway = psTarget->player == selectedPlayer;
// see if we were lucky to hit the target
bool isHit = gameRand(100) <= resultHitChance;
if (isHit)
{
/* Kerrrbaaang !!!!! a hit */
objTrace(psAttacker->id, "combFire: [%s]->%u: resultHitChance=%d, visibility=%hhu : ", psStats->pName, psTarget->id, resultHitChance, psTarget->visible[psAttacker->player]);
syncDebug("hit=(%d,%d,%d)", predict.x, predict.y, predict.z);
}
else /* Deal with a missed shot */
{
const int minOffset = 5;
int missDist = 2 * (100 - resultHitChance) + minOffset;
Vector3i miss = Vector3i(iSinCosR(gameRand(DEG(360)), missDist), 0);
predict += miss;
psTarget = NULL; // Missed the target, so don't expect to hit it.
objTrace(psAttacker->id, "combFire: Missed shot by (%4d,%4d)", miss.x, miss.y);
syncDebug("miss=(%d,%d,%d)", predict.x, predict.y, predict.z);
}
// Make sure we don't pass any negative or out of bounds numbers to proj_SendProjectile
CLIP(predict.x, 0, world_coord(mapWidth - 1));
CLIP(predict.y, 0, world_coord(mapHeight - 1));
proj_SendProjectileAngled(psWeap, psAttacker, psAttacker->player, predict, psTarget, bVisibleAnyway, weapon_slot, min_angle);
return true;
}
/* Fire a weapon at something */
bool combFire(WEAPON *psWeap, BASE_OBJECT *psAttacker, BASE_OBJECT *psTarget, int weapon_slot)
{
WEAPON_STATS *psStats;
UDWORD firePause;
SDWORD longRange;
int compIndex;
CHECK_OBJECT(psAttacker);
CHECK_OBJECT(psTarget);
ASSERT(psWeap != NULL, "Invalid weapon pointer");
/* Watermelon:dont shoot if the weapon_slot of a vtol is empty */
if (psAttacker->type == OBJ_DROID && isVtolDroid(((DROID *)psAttacker)))
{
if (psWeap->usedAmmo >= getNumAttackRuns(((DROID *)psAttacker), weapon_slot))
{
objTrace(psAttacker->id, "VTOL slot %d is empty", weapon_slot);
return false;
}
}
/* Get the stats for the weapon */
compIndex = psWeap->nStat;
ASSERT_OR_RETURN( false , compIndex < numWeaponStats, "Invalid range referenced for numWeaponStats, %d > %d", compIndex, numWeaponStats);
psStats = asWeaponStats + compIndex;
// check valid weapon/prop combination
if (!validTarget(psAttacker, psTarget, weapon_slot))
{
return false;
}
unsigned fireTime = gameTime - deltaGameTime + 1; // Can fire earliest at the start of the tick.
// See if reloadable weapon.
if (psStats->reloadTime)
{
unsigned reloadTime = psWeap->lastFired + weaponReloadTime(psStats, psAttacker->player);
if (psWeap->ammo == 0) // Out of ammo?
{
fireTime = std::max(fireTime, reloadTime); // Have to wait for weapon to reload before firing.
if (gameTime < fireTime)
{
return false;
}
}
if (reloadTime <= fireTime)
{
//reset the ammo level
psWeap->ammo = psStats->numRounds;
}
}
/* See when the weapon last fired to control it's rate of fire */
firePause = weaponFirePause(psStats, psAttacker->player);
firePause = std::max(firePause, 1u); // Don't shoot infinitely many shots at once.
fireTime = std::max(fireTime, psWeap->lastFired + firePause);
if (gameTime < fireTime)
{
/* Too soon to fire again */
return false;
}
if (psTarget->visible[psAttacker->player] != UBYTE_MAX)
{
// Can't see it - can't hit it
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Object has no indirect sight of target", psAttacker->id, psStats->pName, psTarget->id);
return false;
}
/* Check we can hit the target */
bool tall = (psAttacker->type == OBJ_DROID && isVtolDroid((DROID *)psAttacker))
|| (psAttacker->type == OBJ_STRUCTURE && ((STRUCTURE *)psAttacker)->pStructureType->height > 1);
if (proj_Direct(psStats) && !lineOfFire(psAttacker, psTarget, weapon_slot, tall))
{
// Can't see the target - can't hit it with direct fire
objTrace(psAttacker->id, "combFire(%u[%s]->%u): No direct line of sight to target",
psAttacker->id, objInfo(psAttacker), psTarget->id);
return false;
}
Vector3i deltaPos = psTarget->pos - psAttacker->pos;
// if the turret doesn't turn, check if the attacker is in alignment with the target
if (psAttacker->type == OBJ_DROID && !psStats->rotate)
{
uint16_t targetDir = iAtan2(removeZ(deltaPos));
int dirDiff = abs(angleDelta(targetDir - psAttacker->rot.direction));
if (dirDiff > FIXED_TURRET_DIR)
{
return false;
}
}
/* Now see if the target is in range - also check not too near */
int dist = iHypot(removeZ(deltaPos));
longRange = proj_GetLongRange(psStats);
int min_angle = 0;
// Calculate angle for indirect shots
if (!proj_Direct(psStats) && dist > 0)
{
min_angle = arcOfFire(psAttacker,psTarget,weapon_slot,true);
// prevent extremely steep shots
min_angle = std::min(min_angle, DEG(PROJ_ULTIMATE_PITCH));
// adjust maximum range of unit if forced to shoot very steep
if (min_angle > DEG(PROJ_MAX_PITCH))
{
//do not allow increase of max range though
if (iSin(2*min_angle) < iSin(2*DEG(PROJ_MAX_PITCH))) // If PROJ_MAX_PITCH == 45, then always iSin(2*min_angle) <= iSin(2*DEG(PROJ_MAX_PITCH)), and the test is redundant.
{
longRange = longRange * iSin(2*min_angle) / iSin(2*DEG(PROJ_MAX_PITCH));
}
}
}
int baseHitChance = 0;
if (dist <= longRange && dist >= psStats->minRange)
{
// get weapon chance to hit in the long range
baseHitChance = weaponLongHit(psStats,psAttacker->player);
// adapt for height adjusted artillery shots
if (min_angle > DEG(PROJ_MAX_PITCH))
{
baseHitChance = baseHitChance * iCos(min_angle) / iCos(DEG(PROJ_MAX_PITCH));
}
}
else
{
/* Out of range */
objTrace(psAttacker->id, "combFire(%u[%s]->%u): Out of range", psAttacker->id, psStats->pName, psTarget->id);
return false;
}
// apply experience accuracy modifiers to the base
//hit chance, not to the final hit chance
int resultHitChance = baseHitChance;
// add the attacker's experience
if (psAttacker->type == OBJ_DROID)
{
SDWORD level = getDroidEffectiveLevel((DROID *) psAttacker);
// increase total accuracy by EXP_ACCURACY_BONUS % for each experience level
resultHitChance += EXP_ACCURACY_BONUS * level * baseHitChance / 100;
}
// subtract the defender's experience
if (psTarget->type == OBJ_DROID)
{
SDWORD level = getDroidEffectiveLevel((DROID *) psTarget);
// decrease weapon accuracy by EXP_ACCURACY_BONUS % for each experience level
resultHitChance -= EXP_ACCURACY_BONUS * level * baseHitChance / 100;
}
// fire while moving modifiers
if (psAttacker->type == OBJ_DROID &&
((DROID *)psAttacker)->sMove.Status != MOVEINACTIVE)
{
switch (psStats->fireOnMove)
{
case FOM_NO:
// Can't fire while moving
return false;
break;
case FOM_PARTIAL:
resultHitChance = FOM_PARTIAL_ACCURACY_PENALTY * resultHitChance / 100;
break;
case FOM_YES:
// can fire while moving
break;
}
}
/* -------!!! From that point we are sure that we are firing !!!------- */
// Add a random delay to the next shot.
// TODO Add deltaFireTime to the time it takes to fire next. If just adding to psWeap->lastFired, it might put it in the future, causing assertions. And if not sometimes putting it in the future, the fire rate would be lower than advertised.
//int fireJitter = firePause/100; // ±1% variation in fire rate.
//int deltaFireTime = gameRand(fireJitter*2 + 1) - fireJitter;
/* note when the weapon fired */
psWeap->lastFired = fireTime;
/* reduce ammo if salvo */
if (psStats->reloadTime)
{
psWeap->ammo--;
}
// increment the shots counter
psWeap->shotsFired++;
// predicted X,Y offset per sec
Vector3i predict = psTarget->pos;
//Watermelon:Target prediction
if (isDroid(psTarget) && castDroid(psTarget)->sMove.bumpTime == 0)
{
DROID *psDroid = castDroid(psTarget);
int32_t flightTime;
if (proj_Direct(psStats) || dist <= psStats->minRange)
{
flightTime = dist * GAME_TICKS_PER_SEC / psStats->flightSpeed;
}
else
{
int32_t vXY, vZ; // Unused, we just want the flight time.
flightTime = projCalcIndirectVelocities(dist, deltaPos.z, psStats->flightSpeed, &vXY, &vZ, min_angle);
}
if (psTarget->lastHitWeapon == WSC_EMP)
{
int playerEmpTime = getEmpDisableTime(psTarget->player);
int empTime = playerEmpTime - (gameTime - psTarget->timeLastHit);
CLIP(empTime, 0, playerEmpTime);
if (empTime >= playerEmpTime * 9/10)
{
flightTime = 0; /* Just hit. Assume they'll get hit again */
}
else
{
flightTime = MAX(0, flightTime - empTime);
}
}
predict += Vector3i(iSinCosR(psDroid->sMove.moveDir, psDroid->sMove.speed*flightTime / GAME_TICKS_PER_SEC), 0);
if (!isFlying(psDroid))
{
predict.z = map_Height(removeZ(predict)); // Predict that the object will be on the ground.
}
}
/* Fire off the bullet to the miss location. The miss is only visible if the player owns the target. (Why? - Per) */
// What bVisible really does is to make the projectile audible even if it misses you. Since the target is NULL, proj_SendProjectile can't check if it was fired at you.
bool bVisibleAnyway = psTarget->player == selectedPlayer;
// see if we were lucky to hit the target
bool isHit = gameRand(100) <= resultHitChance;
if (isHit)
{
/* Kerrrbaaang !!!!! a hit */
objTrace(psAttacker->id, "combFire: [%s]->%u: resultHitChance=%d, visibility=%d", psStats->pName, psTarget->id, resultHitChance, (int)psTarget->visible[psAttacker->player]);
syncDebug("hit=(%d,%d,%d)", predict.x, predict.y, predict.z);
}
else /* Deal with a missed shot */
{
const int minOffset = 5;
int missDist = 2 * (100 - resultHitChance) + minOffset;
Vector3i miss = Vector3i(iSinCosR(gameRand(DEG(360)), missDist), 0);
predict += miss;
psTarget = NULL; // Missed the target, so don't expect to hit it.
objTrace(psAttacker->id, "combFire: Missed shot by (%4d,%4d)", miss.x, miss.y);
syncDebug("miss=(%d,%d,%d)", predict.x, predict.y, predict.z);
}
// Make sure we don't pass any negative or out of bounds numbers to proj_SendProjectile
CLIP(predict.x, 0, world_coord(mapWidth - 1));
CLIP(predict.y, 0, world_coord(mapHeight - 1));
proj_SendProjectileAngled(psWeap, psAttacker, psAttacker->player, predict, psTarget, bVisibleAnyway, weapon_slot, min_angle, fireTime);
return true;
}
/* Do the AI for a droid */
void aiUpdateDroid(DROID *psDroid)
{
BASE_OBJECT *psTarget;
BOOL lookForTarget,updateTarget;
ASSERT(psDroid != NULL, "Invalid droid pointer");
if (!psDroid || isDead((BASE_OBJECT *)psDroid))
{
return;
}
// HACK: we always want to update orders when NOT running a MP game,
// and we don't want to update when the droid belongs to another human player
if (!myResponsibility(psDroid->player) && bMultiPlayer
&& isHumanPlayer(psDroid->player))
{
return; // we should not order this droid around
}
lookForTarget = false;
updateTarget = false;
// look for a target if doing nothing
if (orderState(psDroid, DORDER_NONE) ||
orderState(psDroid, DORDER_GUARD) ||
orderState(psDroid, DORDER_TEMP_HOLD))
{
lookForTarget = true;
}
// but do not choose another target if doing anything while guarding
if (orderState(psDroid, DORDER_GUARD) &&
(psDroid->action != DACTION_NONE))
{
lookForTarget = false;
}
// except when self-repairing
if (psDroid->action == DACTION_DROIDREPAIR &&
psDroid->psActionTarget[0] == (BASE_OBJECT *)psDroid)
{
lookForTarget = true;
}
// don't look for a target if sulking
if (psDroid->action == DACTION_SULK)
{
lookForTarget = false;
}
/* Only try to update target if already have some target */
if (psDroid->action == DACTION_ATTACK ||
psDroid->action == DACTION_MOVEFIRE ||
psDroid->action == DACTION_MOVETOATTACK ||
psDroid->action == DACTION_ROTATETOATTACK)
{
updateTarget = true;
}
if ((orderState(psDroid, DORDER_OBSERVE) || orderState(psDroid, DORDER_ATTACKTARGET)) &&
psDroid->psTarget && aiObjectIsProbablyDoomed(psDroid->psTarget))
{
lookForTarget = true;
updateTarget = false;
}
/* Don't update target if we are sent to attack and reached
attack destination (attacking our target) */
if (orderState(psDroid, DORDER_ATTACK) && psDroid->psActionTarget[0] == psDroid->psTarget)
{
updateTarget = false;
}
// don't look for a target if there are any queued orders
if (psDroid->listSize > 0)
{
lookForTarget = false;
updateTarget = false;
}
// horrible check to stop droids looking for a target if
// they would switch to the guard order in the order update loop
if ((psDroid->order == DORDER_NONE) &&
(psDroid->player == selectedPlayer) &&
!isVtolDroid(psDroid) &&
secondaryGetState(psDroid, DSO_HALTTYPE) == DSS_HALT_GUARD)
{
lookForTarget = false;
updateTarget = false;
}
// don't allow units to start attacking if they will switch to guarding the commander
if(hasCommander(psDroid))
{
lookForTarget = false;
updateTarget = false;
}
if(bMultiPlayer && isVtolDroid(psDroid) && isHumanPlayer(psDroid->player))
{
lookForTarget = false;
updateTarget = false;
}
// do not look for a target if droid is currently under direct control.
if(driveModeActive() && (psDroid == driveGetDriven())) {
lookForTarget = false;
updateTarget = false;
}
// CB and VTOL CB droids can't autotarget.
if (psDroid->droidType == DROID_SENSOR && !standardSensorDroid(psDroid))
{
lookForTarget = false;
updateTarget = false;
}
// do not attack if the attack level is wrong
if (secondaryGetState(psDroid, DSO_ATTACK_LEVEL) != DSS_ALEV_ALWAYS)
{
lookForTarget = false;
}
/* For commanders and non-assigned non-commanders:
look for a better target once in a while */
if(!lookForTarget && updateTarget)
{
if((psDroid->numWeaps > 0) && !hasCommander(psDroid)) //not assigned to commander
{
if((psDroid->id + gameTime)/TARGET_UPD_SKIP_FRAMES != (psDroid->id + gameTime - deltaGameTime)/TARGET_UPD_SKIP_FRAMES)
{
unsigned int i;
(void)updateAttackTarget((BASE_OBJECT*)psDroid, 0); // this function always has to be called on weapon-slot 0 (even if ->numWeaps == 0)
//updates all targets
for (i = 1; i < psDroid->numWeaps; ++i)
{
(void)updateAttackTarget((BASE_OBJECT*)psDroid, i);
}
}
}
}
/* Null target - see if there is an enemy to attack */
if (lookForTarget && !updateTarget)
{
if (psDroid->droidType == DROID_SENSOR)
{
if (aiChooseSensorTarget((BASE_OBJECT *)psDroid, &psTarget))
{
orderDroidObj(psDroid, DORDER_OBSERVE, psTarget);
}
}
else
{
if (aiChooseTarget((BASE_OBJECT *)psDroid, &psTarget, 0, true, NULL))
{
orderDroidObj(psDroid, DORDER_ATTACKTARGET, psTarget);
}
}
}
}
/* Do the AI for a droid */
void aiUpdateDroid(DROID *psDroid)
{
BASE_OBJECT *psTarget;
bool lookForTarget, updateTarget;
ASSERT(psDroid != NULL, "Invalid droid pointer");
if (!psDroid || isDead((BASE_OBJECT *)psDroid))
{
return;
}
lookForTarget = false;
updateTarget = false;
// look for a target if doing nothing
if (orderState(psDroid, DORDER_NONE) ||
orderState(psDroid, DORDER_GUARD) ||
orderState(psDroid, DORDER_HOLD))
{
lookForTarget = true;
}
// but do not choose another target if doing anything while guarding
// exception for sensors, to allow re-targetting when target is doomed
if (orderState(psDroid, DORDER_GUARD) && psDroid->action != DACTION_NONE && psDroid->droidType != DROID_SENSOR)
{
lookForTarget = false;
}
// don't look for a target if sulking
if (psDroid->action == DACTION_SULK)
{
lookForTarget = false;
}
/* Only try to update target if already have some target */
if (psDroid->action == DACTION_ATTACK ||
psDroid->action == DACTION_MOVEFIRE ||
psDroid->action == DACTION_MOVETOATTACK ||
psDroid->action == DACTION_ROTATETOATTACK)
{
updateTarget = true;
}
if ((orderState(psDroid, DORDER_OBSERVE) || orderState(psDroid, DORDER_ATTACKTARGET)) &&
psDroid->order.psObj && psDroid->order.psObj->died)
{
lookForTarget = true;
updateTarget = false;
}
/* Don't update target if we are sent to attack and reached attack destination (attacking our target) */
if (orderState(psDroid, DORDER_ATTACK) && psDroid->psActionTarget[0] == psDroid->order.psObj)
{
updateTarget = false;
}
// don't look for a target if there are any queued orders
if (psDroid->listSize > 0)
{
lookForTarget = false;
updateTarget = false;
}
// don't allow units to start attacking if they will switch to guarding the commander
if (hasCommander(psDroid))
{
lookForTarget = false;
updateTarget = false;
}
if (bMultiPlayer && isVtolDroid(psDroid) && isHumanPlayer(psDroid->player))
{
lookForTarget = false;
updateTarget = false;
}
// do not look for a target if droid is currently under direct control.
if (driveModeActive() && (psDroid == driveGetDriven()))
{
lookForTarget = false;
updateTarget = false;
}
// CB and VTOL CB droids can't autotarget.
if (psDroid->droidType == DROID_SENSOR && !standardSensorDroid(psDroid))
{
lookForTarget = false;
updateTarget = false;
}
// do not attack if the attack level is wrong
if (secondaryGetState(psDroid, DSO_ATTACK_LEVEL) != DSS_ALEV_ALWAYS)
{
lookForTarget = false;
}
/* For commanders and non-assigned non-commanders: look for a better target once in a while */
if (!lookForTarget && updateTarget && psDroid->numWeaps > 0 && !hasCommander(psDroid)
&& (psDroid->id + gameTime) / TARGET_UPD_SKIP_FRAMES != (psDroid->id + gameTime - deltaGameTime) / TARGET_UPD_SKIP_FRAMES)
{
for (int i = 0; i < psDroid->numWeaps; ++i)
{
updateAttackTarget((BASE_OBJECT *)psDroid, i);
}
}
/* Null target - see if there is an enemy to attack */
if (lookForTarget && !updateTarget)
{
if (psDroid->droidType == DROID_SENSOR)
{
if (aiChooseSensorTarget((BASE_OBJECT *)psDroid, &psTarget))
{
actionDroid(psDroid, DACTION_OBSERVE, psTarget);
}
}
else
{
if (aiChooseTarget((BASE_OBJECT *)psDroid, &psTarget, 0, true, NULL))
{
actionDroid(psDroid, DACTION_ATTACK, psTarget);
}
}
}
}