/**
* @brief Let an actor fall down if e.g. the func_breakable the actor was standing on was destroyed.
* @param[in,out] ent The actor that should fall down
* @todo Handle cases where the grid position the actor would fall to is occupied by another actor already.
*/
void G_ActorFall (edict_t *ent)
{
edict_t* entAtPos;
const int oldZ = ent->pos[2];
ent->pos[2] = gi.GridFall(gi.routingMap, ent->fieldSize, ent->pos);
if (oldZ == ent->pos[2])
return;
entAtPos = G_GetEdictFromPos(ent->pos, ET_NULL);
if (entAtPos != NULL && (G_IsBreakable(entAtPos) || G_IsBlockingMovementActor(entAtPos))) {
const int diff = oldZ - ent->pos[2];
G_TakeDamage(entAtPos, (int)(FALLING_DAMAGE_FACTOR * (float)diff));
}
G_EdictCalcOrigin(ent);
gi.LinkEdict(ent);
G_CheckVis(ent, true);
G_EventActorFall(ent);
gi.EndEvents();
}
/**
* @brief Do the shooting
* @param ent The entity that is doing the shooting
* @param visMask the vis mask to determine the clients from this event is send to
* @param fd The firedefinition to use for the shoot
* @param firstShoot Is this the first shoot
* @param shootType The type of the shoot
* @param flags Define some flags in a bitmask: @c SF_BODY, @c SF_IMPACT, @c SF_BOUNCING and @c SF_BOUNCING
* @param trace The trace what was used to determine whether this shot has hit something
* @param from The position the entity shoots from
* @param impact The impact world vector for the shot
*/
void G_EventShoot (const edict_t* ent, vismask_t visMask, const fireDef_t* fd, bool firstShoot, shoot_types_t shootType, int flags, const trace_t* trace, const vec3_t from, const vec3_t impact)
{
const edict_t *targetEdict = trace->ent;
G_EventAdd(G_VisToPM(visMask), EV_ACTOR_SHOOT, ent->number);
if (targetEdict && G_IsBreakable(targetEdict))
gi.WriteShort(targetEdict->number);
else
gi.WriteShort(SKIP_LOCAL_ENTITY);
gi.WriteByte(firstShoot ? 1 : 0);
gi.WriteShort(fd->obj->idx);
gi.WriteByte(fd->weapFdsIdx);
gi.WriteByte(fd->fdIdx);
gi.WriteByte(shootType);
gi.WriteByte(flags);
gi.WriteByte(trace->contentFlags);
gi.WritePos(from);
gi.WritePos(impact);
gi.WriteDir(trace->plane.normal);
G_EventEnd();
}
/**
* @brief Do the shooting
* @param ent The entity that is doing the shooting
* @param teamMask the vis mask to determine the clients from this event is send to
* @param fd The firedefinition to use for the shoot
* @param firstShoot Is this the first shoot
* @param shootType The type of the shoot
* @param flags Define some flags in a bitmask: @c SF_BODY, @c SF_IMPACT, @c SF_BOUNCING and @c SF_BOUNCING
* @param trace The trace what was used to determine whether this shot has hit something
* @param from The position the entity shoots from
* @param impact The impact world vector for the shot
*/
void G_EventShoot (const Edict& ent, teammask_t teamMask, const fireDef_t* fd, bool firstShoot, shoot_types_t shootType, int flags, const trace_t* trace, const vec3_t from, const vec3_t impact)
{
const Edict* targetEdict = G_EdictsGetByNum(trace->entNum); /* the ent possibly hit by the trace */
G_EventAdd(G_VisToPM(teamMask), EV_ACTOR_SHOOT, ent.number);
if (targetEdict && G_IsBreakable(targetEdict))
gi.WriteShort(targetEdict->number);
else
gi.WriteShort(SKIP_LOCAL_ENTITY);
gi.WriteByte(firstShoot ? 1 : 0);
gi.WriteShort(fd->obj->idx);
gi.WriteByte(fd->weapFdsIdx);
gi.WriteByte(fd->fdIdx);
gi.WriteByte(shootType);
gi.WriteByte(flags);
gi.WriteByte(trace->contentFlags);
gi.WritePos(from);
gi.WritePos(impact);
gi.WriteDir(trace->plane.normal);
G_EventEnd();
}
/**
* @brief Deals splash damage to a target and its surroundings.
* @param[in] ent The shooting actor
* @param[in] fd The fire definition that defines what type of damage is dealt and how big the splash radius is.
* @param[in] impact The impact vector where the grenade is exploding
* @param[in,out] mock pseudo shooting - only for calculating mock values - NULL for real shots
* @param[in] tr The trace where the grenade hits something (or not)
*/
static void G_SplashDamage (edict_t *ent, const fireDef_t *fd, vec3_t impact, shot_mock_t *mock, const trace_t* tr)
{
edict_t *check = NULL;
vec3_t center;
float dist;
int damage;
const bool shock = (fd->obj->dmgtype == gi.csi->damShock);
assert(fd->splrad > 0.0);
while ((check = G_EdictsGetNextInUse(check))) {
/* If we use a blinding weapon we skip the target if it's looking
* away from the impact location. */
if (shock && !G_FrustumVis(check, impact))
continue;
if (G_IsBrushModel(check) && G_IsBreakable(check))
VectorCenterFromMinsMaxs(check->absmin, check->absmax, center);
else if (G_IsLivingActor(check) || G_IsBreakable(check))
VectorCopy(check->origin, center);
else
continue;
/* check for distance */
dist = VectorDist(impact, center);
dist = dist > UNIT_SIZE / 2 ? dist - UNIT_SIZE / 2 : 0;
if (dist > fd->splrad)
continue;
if (fd->irgoggles) {
if (G_IsActor(check)) {
/* check whether this actor (check) is in the field of view of the 'shooter' (ent) */
if (G_FrustumVis(ent, check->origin)) {
if (!mock) {
const unsigned int playerMask = G_TeamToPM(ent->team) ^ G_VisToPM(check->visflags);
G_AppearPerishEvent(playerMask, true, check, ent);
G_VisFlagsAdd(check, G_PMToVis(playerMask));
}
}
}
continue;
}
/* check for walls */
if (G_IsLivingActor(check) && !G_ActorVis(impact, ent, check, false))
continue;
/* do damage */
if (shock)
damage = 0;
else
damage = fd->spldmg[0] * (1.0 - dist / fd->splrad);
if (mock)
mock->allow_self = true;
G_Damage(check, fd, damage, ent, mock, NULL);
if (mock)
mock->allow_self = false;
}
/** @todo splash might also hit other surfaces and the trace doesn't handle that */
if (tr && G_FireAffectedSurface(tr->surface, fd)) {
/* move a little away from the impact vector */
VectorMA(impact, 1, tr->plane.normal, impact);
G_SpawnParticle(impact, tr->contentFlags >> 8, "burning");
}
/**
* @brief Deals damage of a give type and amount to a target.
* @param[in,out] target What we want to damage.
* @param[in] fd The fire definition that defines what type of damage is dealt.
* @param[in] damage The value of the damage.
* @param[in] attacker The attacker.
* @param[in] mock pseudo shooting - only for calculating mock values - NULL for real shots
* @param[in] impact impact location - @c NULL for splash damage
* @sa G_SplashDamage
* @sa G_TakeDamage
* @sa G_PrintActorStats
*/
static void G_Damage (edict_t *target, const fireDef_t *fd, int damage, edict_t *attacker, shot_mock_t *mock, const vec3_t impact)
{
const bool stunEl = (fd->obj->dmgtype == gi.csi->damStunElectro);
const bool stunGas = (fd->obj->dmgtype == gi.csi->damStunGas);
const bool shock = (fd->obj->dmgtype == gi.csi->damShock);
const bool smoke = (fd->obj->dmgtype == gi.csi->damSmoke);
bool isRobot;
assert(target);
/* Breakables */
if (G_IsBrushModel(target) && G_IsBreakable(target)) {
/* Breakables are immune to stun & shock damage. */
if (stunEl || stunGas || shock || mock || smoke)
return;
if (damage >= target->HP) {
/* don't reset the HP value here, this value is used to distinguish
* between triggered destroy and a shoot */
assert(target->destroy);
target->destroy(target);
/* maybe the attacker is seeing something new? */
G_CheckVisTeamAll(attacker->team, 0, attacker);
/* check if attacker appears/perishes for any other team */
G_CheckVis(attacker);
} else {
G_TakeDamage(target, damage);
}
return;
}
/* Actors don't die again. */
if (!G_IsLivingActor(target))
return;
/* only actors after this point - and they must have a teamdef */
assert(target->chr.teamDef);
isRobot = CHRSH_IsTeamDefRobot(target->chr.teamDef);
/* Apply armour effects. */
if (damage > 0) {
damage = G_ApplyProtection(target, fd->dmgweight, damage);
} else if (damage < 0) {
/* Robots can't be healed. */
if (isRobot)
return;
}
Com_DPrintf(DEBUG_GAME, " Total damage: %d\n", damage);
/* Apply difficulty settings. */
if (sv_maxclients->integer == 1) {
if (G_IsAlien(attacker) && !G_IsAlien(target))
damage *= pow(1.18, g_difficulty->value);
else if (!G_IsAlien(attacker) && G_IsAlien(target))
damage *= pow(1.18, -g_difficulty->value);
}
assert(attacker->team >= 0 && attacker->team < MAX_TEAMS);
assert(target->team >= 0 && target->team < MAX_TEAMS);
if (g_nodamage != NULL && !g_nodamage->integer) {
/* hit */
if (mock) {
G_UpdateShotMock(mock, attacker, target, damage);
} else if (stunEl) {
target->STUN += damage;
} else if (stunGas) {
if (!isRobot) /* Can't stun robots with gas */
target->STUN += damage;
} else if (shock) {
/* Only do this if it's not one from our own team ... they should have known that there was a flashbang coming. */
if (!isRobot && target->team != attacker->team) {
/** @todo there should be a possible protection, too */
/* dazed entity wont reaction fire */
G_RemoveReaction(target);
G_ActorReserveTUs(target, 0, target->chr.reservedTus.shot, target->chr.reservedTus.crouch);
/* flashbangs kill TUs */
G_ActorSetTU(target, 0);
G_SendStats(target);
/* entity is dazed */
G_SetDazed(target);
G_ClientPrintf(G_PLAYER_FROM_ENT(target), PRINT_HUD, _("Soldier is dazed!\nEnemy used flashbang!"));
return;
}
} else {
if (damage < 0) {
/* The 'attacker' is healing the target. */
G_TreatActor(target, fd, damage, attacker->team);
} else {
/* Real damage was dealt. */
G_DamageActor(target, damage, impact);
/* Update overall splash damage for stats/score. */
if (!mock && damage > 0 && fd->splrad) /**< Check for >0 and splrad to not count this as direct hit. */
G_UpdateHitScore(attacker, target, fd, damage);
}
}
}
if (mock)
return;
G_CheckDeathOrKnockout(target, attacker, fd, damage);
}
/**
* @brief Applies the given damage value to an edict that is either an actor or has
* the @c FL_DESTROYABLE flag set.
* @param ent The edict to apply the damage to.
* @param damage The damage value.
* @note This function assures, that the health points of the edict are never
* getting negative.
* @sa G_Damage
*/
void G_TakeDamage (edict_t *ent, int damage)
{
if (G_IsBreakable(ent) || G_IsActor(ent))
ent->HP = max(ent->HP - damage, 0);
}
/**
* @brief Deals splash damage to a target and its surroundings.
* @param[in] ent The shooting actor
* @param[in] fd The fire definition that defines what type of damage is dealt and how big the splash radius is.
* @param[in] impact The impact vector where the grenade is exploding
* @param[in,out] mock pseudo shooting - only for calculating mock values - nullptr for real shots
* @param[in] tr The trace where the grenade hits something (or not)
*/
static void G_SplashDamage (Actor* ent, const fireDef_t* fd, vec3_t impact, shot_mock_t* mock, const trace_t* tr)
{
assert(fd->splrad > 0.0f);
const bool shock = (fd->obj->dmgtype == gi.csi->damShock);
Edict* check = nullptr;
while ((check = G_EdictsGetNextInUse(check))) {
/* If we use a blinding weapon we skip the target if it's looking
* away from the impact location. */
if (shock && !G_FrustumVis(check, impact))
continue;
const bool isActor = G_IsLivingActor(check);
vec3_t center;
if (G_IsBrushModel(check) && G_IsBreakable(check))
check->absBox.getCenter(center);
else if (isActor || G_IsBreakable(check))
VectorCopy(check->origin, center);
else
continue;
/* check for distance */
float dist = VectorDist(impact, center);
dist = dist > UNIT_SIZE / 2 ? dist - UNIT_SIZE / 2 : 0.0f;
if (dist > fd->splrad)
continue;
if (fd->irgoggles) {
if (isActor) {
/* check whether this actor (check) is in the field of view of the 'shooter' (ent) */
if (G_FrustumVis(ent, check->origin)) {
if (!mock) {
vec3_t eyeEnt;
G_ActorGetEyeVector(ent, eyeEnt);
if (!G_SmokeVis(eyeEnt, check)) {
const unsigned int playerMask = G_TeamToPM(ent->getTeam()) ^ G_VisToPM(check->visflags);
G_AppearPerishEvent(playerMask, true, *check, ent);
G_VisFlagsAdd(*check, G_PMToVis(playerMask));
}
}
}
}
continue;
}
/* check for walls */
if (isActor && G_TestLine(impact, check->origin))
continue;
/* do damage */
const int damage = shock ? 0 : fd->spldmg[0] * (1.0f - dist / fd->splrad);
if (mock)
mock->allow_self = true;
/* Send hurt sounds for actors, but only if they'll recieve damage from this attack */
if (G_Damage(check, fd, damage, ent, mock, nullptr) && isActor
&& (G_ApplyProtection(check, fd->dmgweight, damage) > 0) && !shock) {
const teamDef_t* teamDef = check->chr.teamDef;
const int gender = check->chr.gender;
const char* sound = teamDef->getActorSound(gender, SND_HURT);
G_EventSpawnSound(G_VisToPM(check->visflags), *check, nullptr, sound);
}
if (mock)
mock->allow_self = false;
}
/** @todo splash might also hit other surfaces and the trace doesn't handle that */
if (tr && G_FireAffectedSurface(tr->surface, fd)) {
/* move a little away from the impact vector */
VectorMA(impact, 1, tr->plane.normal, impact);
G_SpawnParticle(impact, tr->contentFlags >> 8, "burning");
}
/**
* @brief Deals damage of a give type and amount to a target.
* @param[in,out] target What we want to damage.
* @param[in] fd The fire definition that defines what type of damage is dealt.
* @param[in] damage The value of the damage.
* @param[in] attacker The attacker.
* @param[in] mock pseudo shooting - only for calculating mock values - nullptr for real shots
* @param[in] impact impact location - @c nullptr for splash damage
* @return @c true if damage could be dealt (even if it was 0) @c false otherwise
* @sa G_SplashDamage
* @sa G_TakeDamage
* @sa G_PrintActorStats
*/
static bool G_Damage (Edict* target, const fireDef_t* fd, int damage, Actor* attacker, shot_mock_t* mock, const vec3_t impact)
{
assert(target);
const bool stunEl = (fd->obj->dmgtype == gi.csi->damStunElectro);
const bool stunGas = (fd->obj->dmgtype == gi.csi->damStunGas);
const bool shock = (fd->obj->dmgtype == gi.csi->damShock);
const bool smoke = (fd->obj->dmgtype == gi.csi->damSmoke);
/* Breakables */
if (G_IsBrushModel(target) && G_IsBreakable(target)) {
/* Breakables are immune to stun & shock damage. */
if (stunEl || stunGas || shock || mock || smoke)
return false;
if (damage >= target->HP) {
/* don't reset the HP value here, this value is used to distinguish
* between triggered destroy and a shoot */
assert(target->destroy);
target->destroy(target);
/* maybe the attacker is seeing something new? */
G_CheckVisTeamAll(attacker->getTeam(), 0, attacker);
/* check if attacker appears/perishes for any other team */
G_CheckVis(attacker);
} else {
G_TakeDamage(target, damage);
}
return true;
}
/* Actors don't die again. */
if (!G_IsLivingActor(target))
return false;
/* Now we know that the target is an actor */
Actor* victim = makeActor(target);
/* only actors after this point - and they must have a teamdef */
assert(victim->chr.teamDef);
const bool isRobot = CHRSH_IsTeamDefRobot(victim->chr.teamDef);
/* Apply armour effects. */
if (damage > 0) {
damage = G_ApplyProtection(victim, fd->dmgweight, damage);
} else if (damage < 0) {
/* Robots can't be healed. */
if (isRobot)
return false;
}
Com_DPrintf(DEBUG_GAME, " Total damage: %d\n", damage);
/* Apply difficulty settings. */
if (G_IsSinglePlayer()) {
if (G_IsAlien(attacker) && !G_IsAlien(victim))
damage *= pow(1.18f, g_difficulty->value);
else if (!G_IsAlien(attacker) && G_IsAlien(victim))
damage *= pow(1.18f, -g_difficulty->value);
}
assert(attacker->getTeam() >= 0 && attacker->getTeam() < MAX_TEAMS);
assert(victim->getTeam() >= 0 && victim->getTeam() < MAX_TEAMS);
if ((g_nodamage != nullptr && !g_nodamage->integer) || mock) {
/* hit */
if (mock) {
G_UpdateShotMock(mock, attacker, victim, damage);
} else if (stunEl) {
victim->addStun(damage);
} else if (stunGas) {
if (!isRobot) /* Can't stun robots with gas */
victim->addStun(damage);
} else if (shock) {
/* Only do this if it's not one from our own team ... they should have known that there was a flashbang coming. */
if (!isRobot && !victim->isSameTeamAs(attacker)) {
/** @todo there should be a possible protection, too */
/* dazed entity wont reaction fire */
victim->removeReaction();
G_ActorReserveTUs(victim, 0, victim->chr.reservedTus.shot, victim->chr.reservedTus.crouch);
/* flashbangs kill TUs */
G_ActorSetTU(victim, 0);
G_SendStats(*victim);
/* entity is dazed */
victim->setDazed();
G_EventSendState(G_VisToPM(victim->visflags), *victim);
return !mock;
} else {
return false;
}
} else {
if (damage < 0) {
/* The 'attacker' is healing the victim. */
G_TreatActor(victim, fd, damage, attacker->getTeam());
} else {
/* Real damage was dealt. */
G_DamageActor(victim, damage, impact);
/* Update overall splash damage for stats/score. */
if (!mock && damage > 0 && fd->splrad) /**< Check for >0 and splrad to not count this as direct hit. */
G_UpdateHitScore(attacker, victim, fd, damage);
}
}
}
if (mock)
return false;
G_CheckDeathOrKnockout(victim, attacker, fd, damage);
return true;
}