// Disable Tactical order mode.
//
void driveDisableTactical(void)
{
if (driveModeActive() && TacticalActive)
{
TacticalActive = false;
}
}
// Disable Tactical order mode.
//
void driveDisableTactical(void)
{
if(driveModeActive() && TacticalActive)
{
CancelTacticalScroll();
TacticalActive = false;
}
}
// Call whenever the selections change to re initialise drive mode.
//
void driveSelectionChanged(void)
{
if(driveModeActive()) {
if(psDrivenDroid) {
ChangeDriver();
StartDriverMode(NULL);
}
}
}
// Call whenever the selections change to re initialise drive mode.
//
void driveSelectionChanged(void)
{
if(driveModeActive()) {
if(psDrivenDroid) {
// StopDriverMode();
ChangeDriver();
StartDriverMode(NULL);
driveTacticalSelectionChanged();
}
}
}
// Call this whenever a droid gets killed or removed.
// returns true if ok, returns false if resulted in driving mode being stopped, ie could'nt find
// a selected droid to drive.
//
bool driveDroidKilled(DROID *psDroid)
{
if(driveModeActive()) {
if(psDroid == psDrivenDroid) {
ChangeDriver();
psDrivenDroid = NULL;
DeSelectDroid(psDroid);
if(!StartDriverMode(psDroid))
{
return false;
}
}
}
return true;
}
// Find the best nearest target for a droid
// Returns integer representing target priority, -1 if failed
SDWORD aiBestNearestTarget(DROID *psDroid, BASE_OBJECT **ppsObj, int weapon_slot, UWORD *targetOrigin)
{
SDWORD bestMod = 0,newMod, failure = -1;
BASE_OBJECT *psTarget = NULL, *friendlyObj, *bestTarget = NULL, *iter, *targetInQuestion, *tempTarget;
BOOL electronic = false;
STRUCTURE *targetStructure;
WEAPON_EFFECT weaponEffect;
UWORD tmpOrigin = ORIGIN_UNKNOWN;
// reset origin
if (targetOrigin)
{
*targetOrigin = ORIGIN_UNKNOWN;
}
//don't bother looking if empty vtol droid
if (vtolEmpty(psDroid))
{
return failure;
}
/* Return if have no weapons */
// The ai orders a non-combat droid to patrol = crash without it...
if ((psDroid->asWeaps[0].nStat == 0 || psDroid->numWeaps == 0) && psDroid->droidType != DROID_SENSOR)
{
return failure;
}
// Check if we have a CB target to begin with
if (!proj_Direct(asWeaponStats + psDroid->asWeaps[weapon_slot].nStat))
{
WEAPON_STATS *psWStats = psWStats = psDroid->asWeaps[weapon_slot].nStat + asWeaponStats;
bestTarget = aiSearchSensorTargets((BASE_OBJECT *)psDroid, weapon_slot, psWStats, &tmpOrigin);
bestMod = targetAttackWeight(bestTarget, (BASE_OBJECT *)psDroid, weapon_slot);
}
weaponEffect = ((WEAPON_STATS *)(asWeaponStats + psDroid->asWeaps[weapon_slot].nStat))->weaponEffect;
electronic = electronicDroid(psDroid);
// Range was previously 9*TILE_UNITS. Increasing this doesn't seem to help much, though. Not sure why.
gridStartIterate(psDroid->pos.x, psDroid->pos.y, psDroid->sensorRange + 6*TILE_UNITS);
for (iter = gridIterate(); iter != NULL; iter = gridIterate())
{
friendlyObj = NULL;
targetInQuestion = iter;
/* This is a friendly unit, check if we can reuse its target */
if(aiCheckAlliances(targetInQuestion->player,psDroid->player))
{
friendlyObj = targetInQuestion;
targetInQuestion = NULL;
/* Can we see what it is doing? */
if(friendlyObj->visible[psDroid->player])
{
if(friendlyObj->type == OBJ_DROID)
{
DROID *friendlyDroid = (DROID *)friendlyObj;
/* See if friendly droid has a target */
tempTarget = friendlyDroid->psActionTarget[0];
if(tempTarget && !aiObjectIsProbablyDoomed(tempTarget))
{
//make sure a weapon droid is targeting it
if(friendlyDroid->numWeaps > 0)
{
// make sure this target wasn't assigned explicitly to this droid
if(friendlyDroid->order != DORDER_ATTACK)
{
// make sure target is near enough
if (aiDroidHasRange(psDroid, tempTarget, weapon_slot))
{
targetInQuestion = tempTarget; //consider this target
}
}
}
}
}
else if(friendlyObj->type == OBJ_STRUCTURE)
{
tempTarget = ((STRUCTURE*)friendlyObj)->psTarget[0];
if (tempTarget && !aiObjectIsProbablyDoomed(tempTarget) && aiDroidHasRange(psDroid, tempTarget, weapon_slot))
{
targetInQuestion = tempTarget;
}
}
}
}
if (targetInQuestion != NULL
&& targetInQuestion != (BASE_OBJECT *)psDroid // in case friendly unit had me as target
&& (targetInQuestion->type == OBJ_DROID || targetInQuestion->type == OBJ_STRUCTURE || targetInQuestion->type == OBJ_FEATURE)
&& targetInQuestion->visible[psDroid->player]
&& !aiCheckAlliances(targetInQuestion->player,psDroid->player)
&& validTarget((BASE_OBJECT *)psDroid, targetInQuestion, weapon_slot)
&& aiDroidHasRange(psDroid, targetInQuestion, weapon_slot))
{
if (targetInQuestion->type == OBJ_DROID)
{
// in multiPlayer - don't attack Transporters with EW
if (bMultiPlayer)
{
// if not electronic then valid target
if (!electronic
|| (electronic
&& ((DROID *)targetInQuestion)->droidType != DROID_TRANSPORTER))
{
//only a valid target if NOT a transporter
psTarget = targetInQuestion;
}
}
else
{
psTarget = targetInQuestion;
}
}
else if (targetInQuestion->type == OBJ_STRUCTURE)
{
STRUCTURE *psStruct = (STRUCTURE *)targetInQuestion;
if (electronic)
{
/* don't want to target structures with resistance of zero if using electronic warfare */
if (validStructResistance((STRUCTURE *)targetInQuestion))
{
psTarget = targetInQuestion;
}
}
else if (psStruct->asWeaps[weapon_slot].nStat > 0)
{
// structure with weapons - go for this
psTarget = targetInQuestion;
}
else if ((psStruct->pStructureType->type != REF_WALL && psStruct->pStructureType->type != REF_WALLCORNER)
|| driveModeActive() || (bMultiPlayer && !isHumanPlayer(psDroid->player)))
{
psTarget = targetInQuestion;
}
}
else if (targetInQuestion->type == OBJ_FEATURE
&& gameTime - psDroid->lastFrustratedTime < FRUSTRATED_TIME
&& ((FEATURE *)targetInQuestion)->psStats->damageable
&& !(game.scavengers && psDroid->player == 7)) // hack to avoid scavs blowing up their nice feature walls
{
psTarget = targetInQuestion;
}
/* Check if our weapon is most effective against this object */
if(psTarget != NULL && psTarget == targetInQuestion) //was assigned?
{
newMod = targetAttackWeight(psTarget, (BASE_OBJECT *)psDroid, weapon_slot);
/* Remember this one if it's our best target so far */
if( newMod >= 0 && (newMod > bestMod || bestTarget == NULL))
{
bestMod = newMod;
tmpOrigin = ORIGIN_ALLY;
bestTarget = psTarget;
}
}
}
}
if (bestTarget)
{
ASSERT(!bestTarget->died, "aiBestNearestTarget: AI gave us a target that is already dead.");
targetStructure = visGetBlockingWall((BASE_OBJECT *)psDroid, bestTarget);
/* See if target is blocked by a wall; only affects direct weapons */
if (proj_Direct(asWeaponStats + psDroid->asWeaps[weapon_slot].nStat)
&& targetStructure)
{
//are we any good against walls?
if(asStructStrengthModifier[weaponEffect][targetStructure->pStructureType->strength] >= 100) //can attack atleast with default strength
{
bestTarget = (BASE_OBJECT *)targetStructure; //attack wall
}
}
if (targetOrigin)
{
*targetOrigin = tmpOrigin;
}
*ppsObj = bestTarget;
return bestMod;
}
return failure;
}
/* 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);
}
}
}
}
