/**
* @brief Called when 'target' is about to shoot, this forces a 'draw' to decide who gets the first shot
* @param[in] target The entity about to shoot
* @param[in] fdTime The TU of the shot
* @sa G_ClientShoot
*/
void G_ReactionFirePreShot (const Edict *target, const int fdTime)
{
bool repeat = true;
/* Check to see whether this triggers any reaction fire */
G_ReactionFireTargetsUpdateAll(target);
/* if any reaction fire occurs, we have to loop through all entities again to allow
* multiple (fast) RF snap shots before a (slow) aimed shot from the target occurs. */
while (repeat) {
Edict *shooter = nullptr;
repeat = false;
/* check all ents to see who wins and who loses a draw */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
const int entTUs = G_ReactionFireGetTUsForItem(shooter, target);
if (entTUs > 1) { /* indicates an RF weapon is there */
if (rft.hasExpired(shooter, target, fdTime)) {
if (G_ReactionFireTryToShoot(shooter, target)) {
repeat = true;
rft.advance(shooter, fdTime);
}
}
}
}
}
}
/**
* @brief Prints some reaction fire data to the console
* @param[in] target The target entity
*/
static void G_ReactionFirePrintSituation (Edict* target)
{
if (!G_IsAlien(target))
return;
Com_Printf("Alien %i at %i/%i/%i TU:%i\n", target->number, target->pos[0], target->pos[1], target->pos[2], target->TU);
Actor* shooter = nullptr;
/* check all possible shooters */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
if (G_IsAlien(shooter) || G_IsCivilian(shooter))
continue;
char msgHdr[100];
Com_sprintf(msgHdr, sizeof(msgHdr), "S%i: at %i/%i/%i RF: ", shooter->number, shooter->pos[0], shooter->pos[1], shooter->pos[2]);
int ttus = rft.getTriggerTUs(shooter, target);
if (ttus == -2)
Com_Printf("%s not initialized\n", msgHdr);
if (ttus == -1)
Com_Printf("%s not aiming\n", msgHdr);
else if (rft.hasExpired(shooter, target, 0))
Com_Printf("expired\n", msgHdr);
else
Com_Printf("%s not yet: %i\n", msgHdr, ttus);
}
}
/**
* @brief Called when 'target' is about to shoot, this forces a 'draw' to decide who gets the first shot
* @param[in] target The entity about to shoot
* @param[in] fdTime The TU of the shot
* @sa G_ClientShoot
*/
void G_ReactionFirePreShot (const Actor* target, const int fdTime)
{
bool repeat = true;
/* Check to see whether this triggers any reaction fire */
G_ReactionFireNotifyClientStartShot(target);
rf.updateAllTargets(target);
rf.notifyClientOnShot(target, fdTime);
/* if any reaction fire occurs, we have to loop through all entities again to allow
* multiple (fast) RF snap shots before a (slow) aimed shot from the target occurs. */
while (repeat) {
Actor* shooter = nullptr;
repeat = false;
/* check all ents to see who wins and who loses a draw */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
const int entTUs = G_ReactionFireGetTUsForItem(shooter, target);
/* indicates an RF weapon is there */
if (entTUs <= 1)
continue;
if (!rft.hasExpired(shooter, target, fdTime))
continue;
if (!rf.tryToShoot(shooter, target)) {
G_ReactionFireNotifyClientRFAborted(shooter, target, MAX_ROUTE);
continue;
}
repeat = true;
rft.advance(shooter, fdTime);
}
}
}
/**
* @brief Resolve the reaction fire for an entity, this checks that the entity can fire and then takes the shot
* @param[in] shooter The entity using reaction fire
* @param[in] target The victim of the reaction fire
* @return true if the entity fired, false otherwise
*/
bool ReactionFire::tryToShoot (Actor* shooter, const Edict* target)
{
/* check for valid target */
assert(target);
/* shooter can't take a reaction shot if it's not possible - and check that
* the target is still alive */
if (!isPossible(shooter, target)) {
rft.remove(shooter, target);
return false;
}
/* take the shot */
const actorHands_t hand = shooter->chr.RFmode.getHand();
const shoot_types_t type = (hand == ACTOR_HAND_RIGHT ? ST_RIGHT_REACTION
: (hand == ACTOR_HAND_LEFT ? ST_LEFT_REACTION : ST_NUM_SHOOT_TYPES));
const bool tookShot = rf.shoot(shooter, target->pos, type, shooter->chr.RFmode.getFmIdx());
if (tookShot) {
/* clear any shakenness */
shooter->removeShaken();
}
return tookShot;
}
/**
* @brief Check whether 'target' has just triggered any new reaction fire
* @param[in] target The entity triggering fire
*/
static void G_ReactionFireTargetsUpdateAll (const edict_t *target)
{
edict_t *shooter = NULL;
/* check all possible shooters */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
/* check whether reaction fire is possible (friend/foe, LoS */
if (G_ReactionFireIsPossible(shooter, target)) {
const int TUs = G_ReactionFireGetTUsForItem(shooter, target, RIGHT(shooter));
if (TUs < 0)
continue; /* no suitable weapon */
rft.add(shooter, target, TUs);
} else {
rft.remove(shooter, target);
}
}
}
/**
* @brief Check whether 'target' has just triggered any new reaction fire
* @param[in] target The entity triggering fire
*/
void ReactionFire::updateAllTargets (const Edict* target)
{
Actor* shooter = nullptr;
/* check all possible shooters */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
/* check whether reaction fire is possible (friend/foe, LoS) */
if (isPossible(shooter, target)) {
const int TUs = G_ReactionFireGetTUsForItem(shooter, target);
if (TUs < 0)
continue; /* no suitable weapon */
rft.add(shooter, target, TUs);
} else {
rft.remove(shooter, target);
}
}
}
/**
* @brief Check all entities to see whether target has caused reaction fire to resolve.
* @param[in] target The entity that might be resolving reaction fire
* @returns whether any entity fired (or would fire) upon target
* @sa G_ReactionFireOnMovement
* @sa G_ReactionFirePostShot
*/
static bool G_ReactionFireCheckExecution (const Edict *target)
{
Edict *shooter = nullptr;
bool fired = false;
/* check all possible shooters */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
const int tus = G_ReactionFireGetTUsForItem(shooter, target);
if (tus > 1) { /* indicates an RF weapon is there */
if (rft.hasExpired(shooter, target, 0)) {
if (G_ReactionFireTryToShoot(shooter, target)) {
rft.advance(shooter, tus);
fired |= true;
}
}
}
}
return fired;
}
/**
* @brief Check all entities to see whether target has caused reaction fire to resolve.
* @param[in] target The entity that might be resolving reaction fire
* @param[in] step The number of the step in the move we are checking reactions for
* @returns whether any entity fired (or would fire) upon target
* @sa G_ReactionFireOnMovement
* @sa G_ReactionFirePostShot
*/
bool ReactionFire::checkExecution (const Edict* target, int step)
{
Actor* shooter = nullptr;
bool fired = false;
/* check all possible shooters */
while ((shooter = G_EdictsGetNextLivingActor(shooter))) {
const int tus = G_ReactionFireGetTUsForItem(shooter, target);
/* indicates an RF weapon is there */
if (tus <= 1)
continue;
if (!rft.hasExpired(shooter, target, 0))
continue;
if (!rf.tryToShoot(shooter, target)) {
G_ReactionFireNotifyClientRFAborted(shooter, target, step);
continue;
}
rft.advance(shooter, tus);
fired |= true;
}
return fired;
}
/**
* @brief Resolve the reaction fire for an entity, this checks that the entity can fire and then takes the shot
* @param[in] shooter The entity using reaction fire
* @param[in] target The victim of the reaction fire
* @return true if the entity fired, false otherwise
*/
bool ReactionFire::tryToShoot (Actor* shooter, const Edict* target)
{
/* check for valid target */
assert(target);
/* shooter can't take a reaction shot if it's not possible - and check that
* the target is still alive */
if (!isPossible(shooter, target)) {
rft.remove(shooter, target);
return false;
}
/* take the shot */
const bool tookShot = rf.shoot(shooter, target->pos, ST_RIGHT_REACTION, shooter->chr.RFmode.getFmIdx());
if (tookShot) {
/* clear any shakenness */
shooter->removeShaken();
}
return tookShot;
}
/**
* @brief Resolve the reaction fire for an entity, this checks that the entity can fire and then takes the shot
* @param[in] shooter The entity to resolve reaction fire for
* @param[in] target The victim of the reaction fire
* @return true if the entity fired (or would have fired if mock), false otherwise
*/
static bool G_ReactionFireTryToShoot (edict_t *shooter, const edict_t *target)
{
/* check for valid target */
assert(target);
/* shooter can't take a reaction shot if it's not possible - and check that
* the target is still alive */
if (!G_ReactionFireIsPossible(shooter, target)) {
rft.remove(shooter, target);
return false;
}
/* take the shot */
const bool tookShot = G_ReactionFireShoot(shooter, target->pos, ST_RIGHT_REACTION, shooter->chr.RFmode.fmIdx);
if (tookShot) {
/* clear any shakenness */
G_RemoveShaken(shooter);
}
return tookShot;
}
static void G_ReactionFireNotifyClientStartShot (const Edict* target)
{
rft.notifyClientMove(target, MAX_ROUTE, true);
}
/**
* @brief free function to destroy the table of reaction fire targets for the given edict.
* @param[in] shooter The reaction firing actor
*/
void G_ReactionFireTargetsDestroy (const Edict* shooter)
{
rft.destroy(shooter);
}
void ReactionFire::notifyClientOnStep (const Edict* target, int step)
{
rft.notifyClientOnStep(target, step);
}
void ReactionFire::notifyClientOnShot (const Edict* target, int tusTarget)
{
rft.notifyClientOnShot(target, tusTarget);
}
/**
* @brief Called at the end of turn, all outstanding reaction fire is resolved
* @sa G_ClientEndRound
*/
void G_ReactionFireOnEndTurn (void)
{
/* we explicitly do nothing at end of turn, just reset the table */
rft.reset();
}
/**
* @brief free function to initialize the reaction fire table for all entities.
*/
void G_ReactionFireTargetsInit (void)
{
rft.init();
}
void G_ReactionFireNotifyClientRFAborted (const Actor* shooter, const Edict* target, int step)
{
rft.notifyClientRFAborted(shooter, target, step);
}
void G_ReactionFireNotifyClientEndMove (const Actor* target)
{
rft.notifyClientMove(target, target->moveinfo.steps - 1, false);
}
void G_ReactionFireNotifyClientStartMove (const Actor* target)
{
/* note that this is sent _before_ the actual move event, so we can't use the step number */
rft.notifyClientMove(target, MAX_ROUTE, true);
}
static void G_ReactionFireNotifyClientEndShot (const Edict* target)
{
rft.notifyClientMove(target, MAX_ROUTE, false);
}
/**
* @brief free function to create a table of reaction fire targets for the given edict.
* @param[in] shooter The reaction firing actor
*/
void G_ReactionFireTargetsCreate (const Edict* shooter)
{
rft.create(shooter);
}
void ReactionFire::resetTargets (const Edict* shooter)
{
rft.resetTargetList(shooter);
}