void structureBodyUpgrade(FUNCTION *pFunction, STRUCTURE *psBuilding)
{
UWORD increase, prevBaseBody, newBaseBody;
switch (psBuilding->pStructureType->type)
{
case REF_WALL:
case REF_WALLCORNER:
case REF_DEFENSE:
case REF_BLASTDOOR:
case REF_GATE:
increase = ((WALLDEFENCE_UPGRADE_FUNCTION *)pFunction)->body;
break;
default:
increase = ((STRUCTURE_UPGRADE_FUNCTION *)pFunction)->body;
break;
}
prevBaseBody = (UWORD)structureBody(psBuilding);
newBaseBody = (UWORD)(structureBaseBody(psBuilding) +
(structureBaseBody(psBuilding) * increase) / 100);
if (newBaseBody > prevBaseBody)
{
psBuilding->body = (UWORD)((psBuilding->body * newBaseBody) / prevBaseBody);
//psBuilding->baseBodyPoints = newBaseBody;
}
}
// recv lassat info on the receiving end.
bool recvLasSat(NETQUEUE queue)
{
BASE_OBJECT *psObj;
UBYTE player, targetplayer;
STRUCTURE *psStruct;
uint32_t id, targetid;
NETbeginDecode(queue, GAME_LASSAT);
NETuint8_t(&player);
NETuint32_t(&id);
NETuint32_t(&targetid);
NETuint8_t(&targetplayer);
NETend();
psStruct = IdToStruct(id, player);
psObj = IdToPointer(targetid, targetplayer);
if (psStruct && !canGiveOrdersFor(queue.index, psStruct->player))
{
syncDebug("Wrong player.");
return false;
}
if (psStruct && psObj && psStruct->pStructureType->psWeapStat[0]->weaponSubClass == WSC_LAS_SAT)
{
// Lassats have just one weapon
unsigned firePause = weaponFirePause(&asWeaponStats[psStruct->asWeaps[0].nStat], player);
unsigned damLevel = PERCENT(psStruct->body, structureBody(psStruct));
if (damLevel < HEAVY_DAMAGE_LEVEL)
{
firePause += firePause;
}
if (isHumanPlayer(player) && gameTime - psStruct->asWeaps[0].lastFired <= firePause)
{
/* Too soon to fire again */
return true ^ false; // Return value meaningless and ignored.
}
// Give enemy no quarter, unleash the lasat
proj_SendProjectile(&psStruct->asWeaps[0], NULL, player, psObj->pos, psObj, true, 0);
psStruct->asWeaps[0].lastFired = gameTime;
psStruct->asWeaps[0].ammo = 1; // abducting this field for keeping track of triggers
// Play 5 second countdown message
audio_QueueTrackPos(ID_SOUND_LAS_SAT_COUNTDOWN, psObj->pos.x, psObj->pos.y, psObj->pos.z);
}
return true;
}
/* 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;
}
// Get values from a base object
bool scrBaseObjGet(UDWORD index)
{
INTERP_TYPE type = VAL_VOID;
BASE_OBJECT *psObj;
DROID *psDroid;
STRUCTURE *psStruct;
FEATURE *psFeature;
if (!stackPopParams(1, ST_BASEOBJECT, &psObj))
{
debug(LOG_ERROR, "scrBaseObjGet: stackPopParams failed");
return false;
}
// Check this is a valid pointer
ASSERT_OR_RETURN(false, psObj, "Passed a NULL pointer to a base object");
ASSERT_OR_RETURN(false, psObj->type == OBJ_DROID || psObj->type == OBJ_STRUCTURE || psObj->type == OBJ_FEATURE,
"Invalid object %p of type %d", psObj, psObj->type);
// set the type and return value
switch (index)
{
case OBJID_POSX:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->pos.x;
break;
case OBJID_POSY:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->pos.y;
break;
case OBJID_POSZ:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->pos.z;
break;
case OBJID_ID:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->id;
break;
case OBJID_PLAYER:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->player;
break;
case OBJID_TYPE:
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)psObj->type;
break;
case OBJID_ORDER:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: order only valid for a droid");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = ((DROID *)psObj)->order.type;
if (scrFunctionResult.v.ival == DORDER_GUARD && ((DROID *)psObj)->order.psObj == NULL)
{
scrFunctionResult.v.ival = DORDER_NONE;
}
break;
//new member variable
case OBJID_ACTION:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: action only valid for a droid");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->action;
break;
//new member variable - if droid is selected (humans only)
case OBJID_SELECTED:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: selected only valid for a droid");
return false;
}
type = VAL_BOOL;
scrFunctionResult.v.bval = (SDWORD)((DROID *)psObj)->selected;
break;
case OBJID_STRUCTSTATTYPE:
if (psObj->type == OBJ_STRUCTURE)
{
type = VAL_INT;
scrFunctionResult.v.ival = ((STRUCTURE *)psObj)->pStructureType->type;
}
else
{
debug(LOG_ERROR, ".stattype is only supported by Structures");
return false;
}
break;
case OBJID_ORDERX:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: order only valid for a droid");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = ((DROID *)psObj)->order.pos.x;
break;
case OBJID_ORDERY:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: order only valid for a droid");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = ((DROID *)psObj)->order.pos.y;
break;
case OBJID_DROIDTYPE:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: droidType only valid for a droid");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->droidType;
break;
case OBJID_CLUSTERID:
if (psObj->type == OBJ_FEATURE)
{
debug(LOG_ERROR, "scrBaseObjGet: clusterID not valid for features");
return false;
}
type = VAL_INT;
scrFunctionResult.v.ival = clustGetClusterID(psObj);
break;
case OBJID_HEALTH:
switch (psObj->type)
{
case OBJ_DROID:
psDroid = (DROID *)psObj;
type = VAL_INT;
scrFunctionResult.v.ival = psDroid->body * 100 / psDroid->originalBody;
break;
case OBJ_FEATURE:
psFeature = (FEATURE *)psObj;
type = VAL_INT;
if (psFeature->psStats->damageable)
{
scrFunctionResult.v.ival = psFeature->body * 100 / psFeature->psStats->body;
}
else
{
scrFunctionResult.v.ival = 100;
}
break;
case OBJ_STRUCTURE:
psStruct = (STRUCTURE *)psObj;
type = VAL_INT;
//val = psStruct->body * 100 / psStruct->baseBodyPoints;
scrFunctionResult.v.ival = psStruct->body * 100 / structureBody(psStruct);
break;
default:
break;
}
break;
case OBJID_BODY:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: body only valid for a droid");
return false;
}
type = (INTERP_TYPE)ST_BODY;
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->asBits[COMP_BODY].nStat;
break;
case OBJID_PROPULSION:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: propulsion only valid for a droid");
return false;
}
type = (INTERP_TYPE)ST_PROPULSION;
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->asBits[COMP_PROPULSION].nStat;
break;
case OBJID_WEAPON: //TODO: only returns first weapon now
type = (INTERP_TYPE)ST_WEAPON;
switch (psObj->type)
{
case OBJ_DROID:
if (((DROID *)psObj)->asWeaps[0].nStat == 0)
{
scrFunctionResult.v.ival = 0;
}else{
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->asWeaps[0].nStat;
}
break;
case OBJ_STRUCTURE:
if (((STRUCTURE *)psObj)->numWeaps == 0 || ((STRUCTURE *)psObj)->asWeaps[0].nStat == 0)
{
scrFunctionResult.v.ival = 0;
}else{
scrFunctionResult.v.ival = (SDWORD)((STRUCTURE *)psObj)->asWeaps[0].nStat;
}
break;
default: //only droids and structures can have a weapon
debug(LOG_ERROR, "scrBaseObjGet: weapon only valid for droids and structures" );
return false;
break;
}
break;
case OBJID_STRUCTSTAT:
//droid.stat - now returns the type of structure a truck is building for droids
if (psObj->type == OBJ_STRUCTURE)
{
type = (INTERP_TYPE)ST_STRUCTURESTAT;
scrFunctionResult.v.ival = ((STRUCTURE *)psObj)->pStructureType - asStructureStats;
}
else if (psObj->type == OBJ_DROID)
{
type = (INTERP_TYPE)ST_STRUCTURESTAT;
scrFunctionResult.v.ival = ((DROID *)psObj)->order.psStats - asStructureStats;
}
else //Nothing else supported
{
debug(LOG_ERROR, "scrBaseObjGet(): .stat only valid for structures and droids");
return false;
}
break;
case OBJID_TARGET:
//added object->psTarget
if (psObj->type == OBJ_STRUCTURE)
{
type = (INTERP_TYPE)ST_BASEOBJECT;
scrFunctionResult.v.oval = ((STRUCTURE *)psObj)->psTarget[0];
}
else if (psObj->type == OBJ_DROID)
{
type = (INTERP_TYPE)ST_BASEOBJECT;
scrFunctionResult.v.oval = ((DROID *)psObj)->order.psObj;
}
else //Nothing else supported
{
debug(LOG_ERROR, "scrBaseObjGet(): .target only valid for structures and droids");
return false;
}
break;
case OBJID_GROUP:
if (psObj->type != OBJ_DROID)
{
debug(LOG_ERROR, "scrBaseObjGet: group only valid for a droid");
return false;
}
type = (INTERP_TYPE)ST_GROUP;
scrFunctionResult.v.oval = ((DROID *)psObj)->psGroup;
break;
case OBJID_HITPOINTS:
type = VAL_INT;
switch (psObj->type)
{
case OBJ_DROID:
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->body;
break;
case OBJ_STRUCTURE:
scrFunctionResult.v.ival = (SDWORD)((STRUCTURE *)psObj)->body;
break;
case OBJ_FEATURE:
scrFunctionResult.v.ival = (SDWORD)((FEATURE *)psObj)->body;
break;
default:
debug(LOG_ERROR, "scrBaseObjGet: unknown object type");
return false;
break;
}
break;
case OBJID_ORIG_HITPOINTS:
type = VAL_INT;
switch (psObj->type)
{
case OBJ_DROID:
scrFunctionResult.v.ival = (SDWORD)((DROID *)psObj)->originalBody;
break;
case OBJ_STRUCTURE:
scrFunctionResult.v.ival = (SDWORD)structureBody((STRUCTURE *)psObj);
break;
case OBJ_FEATURE:
scrFunctionResult.v.ival = ((FEATURE *)psObj)->psStats->body;
break;
default:
debug(LOG_ERROR, "scrBaseObjGet: unknown object type");
return false;
break;
}
break;
default:
debug(LOG_ERROR, "scrBaseObjGet: unknown variable index");
return false;
break;
}
// Return the value
if (!stackPushResult(type, &scrFunctionResult))
{
debug(LOG_ERROR, "scrBaseObjGet: stackPushResult() failed");
return false;
}
return true;
}
/* Calculates attack priority for a certain target */
static SDWORD targetAttackWeight(BASE_OBJECT *psTarget, BASE_OBJECT *psAttacker, SDWORD weapon_slot)
{
SDWORD targetTypeBonus=0, damageRatio=0, attackWeight=0, noTarget=-1;
UDWORD weaponSlot;
DROID *targetDroid=NULL,*psAttackerDroid=NULL,*psGroupDroid,*psDroid;
STRUCTURE *targetStructure=NULL;
WEAPON_EFFECT weaponEffect;
WEAPON_STATS *attackerWeapon;
BOOL bEmpWeap=false,bCmdAttached=false,bTargetingCmd=false;
if (psTarget == NULL || psAttacker == NULL || aiObjectIsProbablyDoomed(psTarget))
{
return noTarget;
}
ASSERT(psTarget != psAttacker, "targetAttackWeight: Wanted to evaluate the worth of attacking ourselves...");
targetTypeBonus = 0; //Sensors/ecm droids, non-military structures get lower priority
/* Get attacker weapon effect */
if(psAttacker->type == OBJ_DROID)
{
psAttackerDroid = (DROID *)psAttacker;
attackerWeapon = (WEAPON_STATS *)(asWeaponStats + psAttackerDroid->asWeaps[weapon_slot].nStat);
//check if this droid is assigned to a commander
bCmdAttached = hasCommander(psAttackerDroid);
//find out if current target is targeting our commander
if(bCmdAttached)
{
if(psTarget->type == OBJ_DROID)
{
psDroid = (DROID *)psTarget;
//go through all enemy weapon slots
for(weaponSlot = 0; !bTargetingCmd &&
weaponSlot < ((DROID *)psTarget)->numWeaps; weaponSlot++)
{
//see if this weapon is targeting our commander
if (psDroid->psActionTarget[weaponSlot] == (BASE_OBJECT *)psAttackerDroid->psGroup->psCommander)
{
bTargetingCmd = true;
}
}
}
else
{
if(psTarget->type == OBJ_STRUCTURE)
{
//go through all enemy weapons
for(weaponSlot = 0; !bTargetingCmd && weaponSlot < ((STRUCTURE *)psTarget)->numWeaps; weaponSlot++)
{
if (((STRUCTURE *)psTarget)->psTarget[weaponSlot] ==
(BASE_OBJECT *)psAttackerDroid->psGroup->psCommander)
{
bTargetingCmd = true;
}
}
}
}
}
}
else if(psAttacker->type == OBJ_STRUCTURE)
{
attackerWeapon = ((WEAPON_STATS *)(asWeaponStats + ((STRUCTURE *)psAttacker)->asWeaps[weapon_slot].nStat));
}
else /* feature */
{
ASSERT(!"invalid attacker object type", "targetAttackWeight: Invalid attacker object type");
return noTarget;
}
//Get weapon effect
weaponEffect = attackerWeapon->weaponEffect;
//See if attacker is using an EMP weapon
bEmpWeap = (attackerWeapon->weaponSubClass == WSC_EMP);
/* Calculate attack weight */
if(psTarget->type == OBJ_DROID)
{
targetDroid = (DROID *)psTarget;
if (targetDroid->died)
{
debug(LOG_NEVER, "Target droid is dead, skipping invalid droid.\n");
return noTarget;
}
/* Calculate damage this target suffered */
if (targetDroid->originalBody == 0) // FIXME Somewhere we get 0HP droids from
{
damageRatio = 0;
debug(LOG_ERROR, "targetAttackWeight: 0HP droid detected!");
debug(LOG_ERROR, " Type: %i Name: \"%s\" Owner: %i \"%s\")",
targetDroid->droidType, targetDroid->aName, targetDroid->player, getPlayerName(targetDroid->player));
}
else
{
damageRatio = 1 - targetDroid->body / targetDroid->originalBody;
}
assert(targetDroid->originalBody != 0); // Assert later so we get the info from above
/* See if this type of a droid should be prioritized */
switch (targetDroid->droidType)
{
case DROID_SENSOR:
case DROID_ECM:
case DROID_PERSON:
case DROID_TRANSPORTER:
case DROID_DEFAULT:
case DROID_ANY:
break;
case DROID_CYBORG:
case DROID_WEAPON:
case DROID_CYBORG_SUPER:
targetTypeBonus = WEIGHT_WEAPON_DROIDS;
break;
case DROID_COMMAND:
targetTypeBonus = WEIGHT_COMMAND_DROIDS;
break;
case DROID_CONSTRUCT:
case DROID_REPAIR:
case DROID_CYBORG_CONSTRUCT:
case DROID_CYBORG_REPAIR:
targetTypeBonus = WEIGHT_SERVICE_DROIDS;
break;
}
/* Now calculate the overall weight */
attackWeight = asWeaponModifier[weaponEffect][(asPropulsionStats + targetDroid->asBits[COMP_PROPULSION].nStat)->propulsionType] // Our weapon's effect against target
+ WEIGHT_DIST_TILE_DROID * psAttacker->sensorRange/TILE_UNITS
- WEIGHT_DIST_TILE_DROID * map_coord(iHypot(psAttacker->pos.x - targetDroid->pos.x, psAttacker->pos.y - targetDroid->pos.y)) // farer droids are less attractive
+ WEIGHT_HEALTH_DROID * damageRatio // we prefer damaged droids
+ targetTypeBonus; // some droid types have higher priority
/* If attacking with EMP try to avoid targets that were already "EMPed" */
if(bEmpWeap &&
(targetDroid->lastHitWeapon == WSC_EMP) &&
((gameTime - targetDroid->timeLastHit) < EMP_DISABLE_TIME)) //target still disabled
{
attackWeight /= EMP_DISABLED_PENALTY_F;
}
}
else if(psTarget->type == OBJ_STRUCTURE)
{
targetStructure = (STRUCTURE *)psTarget;
/* Calculate damage this target suffered */
damageRatio = 1 - targetStructure->body / structureBody(targetStructure);
/* See if this type of a structure should be prioritized */
switch(targetStructure->pStructureType->type)
{
case REF_DEFENSE:
targetTypeBonus = WEIGHT_WEAPON_STRUCT;
break;
case REF_RESOURCE_EXTRACTOR:
targetTypeBonus = WEIGHT_DERRICK_STRUCT;
break;
case REF_FACTORY:
case REF_CYBORG_FACTORY:
case REF_REPAIR_FACILITY:
targetTypeBonus = WEIGHT_MILITARY_STRUCT;
break;
default:
break;
}
/* Now calculate the overall weight */
attackWeight = asStructStrengthModifier[weaponEffect][targetStructure->pStructureType->strength] // Our weapon's effect against target
+ WEIGHT_DIST_TILE_STRUCT * psAttacker->sensorRange/TILE_UNITS
- WEIGHT_DIST_TILE_STRUCT * map_coord(iHypot(psAttacker->pos.x - targetStructure->pos.x, psAttacker->pos.y - targetStructure->pos.y)) // farer structs are less attractive
+ WEIGHT_HEALTH_STRUCT * damageRatio // we prefer damaged structures
+ targetTypeBonus; // some structure types have higher priority
/* Go for unfinished structures only if nothing else found (same for non-visible structures) */
if(targetStructure->status != SS_BUILT) //a decoy?
{
attackWeight /= WEIGHT_STRUCT_NOTBUILT_F;
}
/* EMP should only attack structures if no enemy droids are around */
if(bEmpWeap)
{
attackWeight /= EMP_STRUCT_PENALTY_F;
}
}
else //a feature
{
return 1;
}
/* We prefer objects we can see and can attack immediately */
if(!visibleObject((BASE_OBJECT *)psAttacker, psTarget, true))
{
attackWeight /= WEIGHT_NOT_VISIBLE_F;
}
/* Commander-related criterias */
if(bCmdAttached) //attached to a commander and don't have a target assigned by some order
{
ASSERT(psAttackerDroid->psGroup->psCommander != NULL, "Commander is NULL");
//if commander is being targeted by our target, try to defend the commander
if(bTargetingCmd)
{
attackWeight += WEIGHT_CMD_RANK * ( 1 + getDroidLevel(psAttackerDroid->psGroup->psCommander));
}
//fire support - go through all droids assigned to the commander
for (psGroupDroid = psAttackerDroid->psGroup->psList; psGroupDroid; psGroupDroid = psGroupDroid->psGrpNext)
{
for(weaponSlot = 0; weaponSlot < psGroupDroid->numWeaps; weaponSlot++)
{
//see if this droid is currently targeting current target
if(psGroupDroid->psTarget == psTarget ||
psGroupDroid->psActionTarget[weaponSlot] == psTarget)
{
//we prefer targets that are already targeted and hence will be destroyed faster
attackWeight += WEIGHT_CMD_SAME_TARGET;
}
}
}
}
return attackWeight;
}
// ////////////////////////////////////////////////////////////////////////////
// remove structures from map before campaign play.
static BOOL cleanMap(UDWORD player)
{
DROID *psD,*psD2;
STRUCTURE *psStruct;
BOOL firstFact,firstRes;
bMultiPlayer = false;
bMultiMessages = false;
firstFact = true;
firstRes = true;
switch(game.base)
{
case CAMP_CLEAN: //clean map
while(apsStructLists[player]) //strip away structures.
{
removeStruct(apsStructLists[player], true);
}
psD = apsDroidLists[player]; // remove all but construction droids.
while(psD)
{
psD2=psD->psNext;
if (psD->droidType != DROID_CONSTRUCT && psD->droidType != DROID_CYBORG_CONSTRUCT)
{
killDroid(psD);
}
psD = psD2;
}
break;
case CAMP_BASE: //just structs, no walls
psStruct = apsStructLists[player];
while(psStruct)
{
if ( (psStruct->pStructureType->type == REF_WALL)
||(psStruct->pStructureType->type == REF_WALLCORNER)
||(psStruct->pStructureType->type == REF_DEFENSE)
||(psStruct->pStructureType->type == REF_BLASTDOOR)
||(psStruct->pStructureType->type == REF_GATE)
||(psStruct->pStructureType->type == REF_CYBORG_FACTORY)
||(psStruct->pStructureType->type == REF_COMMAND_CONTROL))
{
removeStruct(psStruct, true);
psStruct= apsStructLists[player]; //restart,(list may have changed).
}
else if( (psStruct->pStructureType->type == REF_FACTORY)
||(psStruct->pStructureType->type == REF_RESEARCH)
||(psStruct->pStructureType->type == REF_POWER_GEN))
{
if(psStruct->pStructureType->type == REF_FACTORY )
{
if(firstFact == true)
{
firstFact = false;
removeStruct(psStruct, true);
psStruct= apsStructLists[player];
}
else // don't delete, just rejig!
{
if(((FACTORY*)psStruct->pFunctionality)->capacity != 0)
{
((FACTORY*)psStruct->pFunctionality)->capacity = 0;
((FACTORY*)psStruct->pFunctionality)->productionOutput = (UBYTE)((PRODUCTION_FUNCTION*)psStruct->pStructureType->asFuncList[0])->productionOutput;
psStruct->sDisplay.imd = psStruct->pStructureType->pIMD;
psStruct->body = (UWORD)(structureBody(psStruct));
}
psStruct = psStruct->psNext;
}
}
else if(psStruct->pStructureType->type == REF_RESEARCH)
{
if(firstRes == true)
{
firstRes = false;
removeStruct(psStruct, true);
psStruct= apsStructLists[player];
}
else
{
if(((RESEARCH_FACILITY*)psStruct->pFunctionality)->capacity != 0)
{ // downgrade research
((RESEARCH_FACILITY*)psStruct->pFunctionality)->capacity = 0;
((RESEARCH_FACILITY*)psStruct->pFunctionality)->researchPoints = ((RESEARCH_FUNCTION*)psStruct->pStructureType->asFuncList[0])->researchPoints;
psStruct->sDisplay.imd = psStruct->pStructureType->pIMD;
psStruct->body = (UWORD)(structureBody(psStruct));
}
psStruct=psStruct->psNext;
}
}
else if(psStruct->pStructureType->type == REF_POWER_GEN)
{
if(((POWER_GEN*)psStruct->pFunctionality)->capacity != 0)
{ // downgrade powergen.
((POWER_GEN*)psStruct->pFunctionality)->capacity = 0;
psStruct->sDisplay.imd = psStruct->pStructureType->pIMD;
psStruct->body = (UWORD)(structureBody(psStruct));
}
structurePowerUpgrade(psStruct);
psStruct=psStruct->psNext;
}
}
else
{
psStruct=psStruct->psNext;
}
}
break;
case CAMP_WALLS: //everything.
break;
default:
debug( LOG_FATAL, "Unknown Campaign Style" );
abort();
break;
}
bMultiPlayer = true;
bMultiMessages = true;
return true;
}
