/**
* @brief Test if point is "visible" from team.
* @param[in] team A team to test.
* @param[in] point A point to check.
* @return true if point is "visible"
*/
static bool G_TeamPointVis (int team, const vec3_t point)
{
Edict *from = nullptr;
vec3_t eye;
/* test if point is visible from team */
while ((from = G_EdictsGetNextLivingActorOfTeam(from, team))) {
if (G_FrustumVis(from, point)) {
/* get viewers eye height */
G_ActorGetEyeVector(from, eye);
/* line of sight */
if (!G_TestLine(eye, point)) {
const float distance = VectorDist(from->origin, point);
bool blocked = false;
/* check visibility in the smoke */
if (distance >= UNIT_SIZE) {
Edict *e = nullptr;
while ((e = G_EdictsGetNextInUse(e))) {
if (G_IsSmoke(e) && RayIntersectAABB(eye, point, e->absmin, e->absmax)) {
blocked = true;
break;
}
}
}
if (!blocked)
return true;
}
}
}
/* not visible */
return false;
}
/**
* @brief Check whether ent can reaction fire at target, i.e. that it can see it and neither is dead etc.
* @param[in] ent The entity that might be firing
* @param[in] target The entity that might be fired at
* @return @c true if 'ent' can actually fire at 'target', @c false otherwise
*/
static bool G_ReactionFireIsPossible (const edict_t *ent, const edict_t *target)
{
float actorVis;
bool frustum;
/* an entity can't reaction fire at itself */
if (ent == target)
return false;
/* Don't react in your own turn */
if (ent->team == level.activeTeam)
return false;
/* ent can't use RF if is in STATE_DAZED (flashbang impact) */
if (G_IsDazed(ent))
return false;
if (G_IsDead(target))
return false;
/* check ent has reaction fire enabled */
if (!G_IsShaken(ent) && !G_IsReaction(ent))
return false;
/* check ent has weapon in RF hand */
/* @todo Should this situation even happen when G_IsReaction(ent) is true? */
if (!ACTOR_GET_INV(ent, ent->chr.RFmode.hand)) {
/* print character info if this happens, for now */
gi.DPrintf("Reaction fire enabled but no weapon for hand (name=%s,hand=%i,fmIdx=%i)\n",
ent->chr.name, ent->chr.RFmode.hand, ent->chr.RFmode.fmIdx);
return false;
}
if (!G_IsVisibleForTeam(target, ent->team))
return false;
/* If reaction fire is triggered by a friendly unit
* and the shooter is still sane, don't shoot;
* well, if the shooter isn't sane anymore... */
if (G_IsCivilian(target) || target->team == ent->team)
if (!G_IsShaken(ent) || (float) ent->morale / mor_shaken->value > frand())
return false;
/* check in range and visible */
if (VectorDistSqr(ent->origin, target->origin) > MAX_SPOT_DIST * MAX_SPOT_DIST)
return false;
frustum = G_FrustumVis(ent, target->origin);
if (!frustum)
return false;
actorVis = G_ActorVis(ent->origin, ent, target, true);
if (actorVis <= 0.2)
return false;
/* okay do it then */
return true;
}
/**
* @brief Check whether ent can reaction fire at target, i.e. that it can see it and neither is dead etc.
* @param[in] ent The entity that might be firing
* @param[in] target The entity that might be fired at
* @return @c true if 'ent' can actually fire at 'target', @c false otherwise
*/
static bool G_ReactionFireIsPossible (Edict *ent, const Edict *target)
{
/* an entity can't reaction fire at itself */
if (ent == target)
return false;
/* Don't react in your own turn */
if (ent->team == level.activeTeam)
return false;
/* ent can't use RF if is in STATE_DAZED (flashbang impact) */
if (G_IsDazed(ent))
return false;
if (G_IsDead(target))
return false;
/* check ent has reaction fire enabled */
if (!G_IsReaction(ent))
return false;
/* check ent has weapon in RF hand */
if (!ent->getHandItem(ent->chr.RFmode.getHand())) {
/* print character info if this happens, for now */
gi.DPrintf("Reaction fire enabled but no weapon for hand (name=%s,entnum=%i,hand=%i,fmIdx=%i)\n",
ent->chr.name, ent->number, ent->chr.RFmode.getHand(), ent->chr.RFmode.getFmIdx());
G_RemoveReaction(ent);
return false;
}
if (!G_IsVisibleForTeam(target, ent->team))
return false;
/* If reaction fire is triggered by a friendly unit
* and the shooter is still sane, don't shoot;
* well, if the shooter isn't sane anymore... */
if (G_IsCivilian(target) || target->team == ent->team)
if (!G_IsShaken(ent) || (float) ent->morale / mor_shaken->value > frand())
return false;
/* check in range and visible */
const int spotDist = G_VisCheckDist(ent);
if (VectorDistSqr(ent->origin, target->origin) > spotDist * spotDist)
return false;
const bool frustum = G_FrustumVis(ent, target->origin);
if (!frustum)
return false;
const float actorVis = G_ActorVis(ent->origin, ent, target, true);
if (actorVis <= 0.2)
return false;
/* okay do it then */
return true;
}
/**
* @brief test if check is visible by from
* @param[in] team Living team members are always visible. If this is a negative
* number we inverse the team rules (see comments included). In combination with VT_NOFRUSTUM
* we can check whether there is any edict (that is no in our team) that can see @c check
* @param[in] from is from team @c team and must be a living actor
* @param[in] check The edict we want to get the visibility for
* @param[in] flags @c VT_NOFRUSTUM, ...
*/
bool G_Vis (const int team, const Edict* from, const Edict* check, const vischeckflags_t flags)
{
vec3_t eye;
/* if any of them isn't in use, then they're not visible */
if (!from->inuse || !check->inuse)
return false;
/* only actors and 2x2 units can see anything */
if (!G_IsLivingActor(from) && !G_IsActiveCamera(from))
return false;
/* living team members are always visible */
if (team >= 0 && check->getTeam() == team && !G_IsDead(check))
return true;
/* standard team rules */
if (team >= 0 && from->getTeam() != team)
return false;
/* inverse team rules */
if (team < 0 && check->getTeam() == -team)
return false;
/* check for same pos */
if (VectorCompare(from->pos, check->pos))
return true;
if (!G_IsVisibleOnBattlefield(check))
return false;
/* view distance check */
const int spotDist = G_VisCheckDist(from);
if (VectorDistSqr(from->origin, check->origin) > spotDist * spotDist)
return false;
/* view frustum check */
if (!(flags & VT_NOFRUSTUM) && !G_FrustumVis(from, check->origin))
return false;
/* get viewers eye height */
G_ActorGetEyeVector(from, eye);
/* line trace check */
switch (check->type) {
case ET_ACTOR:
case ET_ACTOR2x2:
return G_ActorVis(eye, from, check, false) > ACTOR_VIS_0;
case ET_ITEM:
case ET_CAMERA:
case ET_PARTICLE:
return !G_LineVis(eye, check->origin);
default:
return false;
}
}
/**
* @brief Check whether ent can reaction fire at target, i.e. that it can see it and neither is dead etc.
* @param[in] ent The entity that might be firing
* @param[in] target The entity that might be fired at
* @return @c true if 'ent' can actually fire at 'target', @c false otherwise
*/
static qboolean G_ReactionFireIsPossible (const edict_t *ent, const edict_t *target)
{
float actorVis;
qboolean frustum;
/* an entity can't reaction fire at itself */
if (ent == target)
return qfalse;
/* Don't react in your own turn */
if (ent->team == level.activeTeam)
return qfalse;
/* ent can't use RF if is in STATE_DAZED (flashbang impact) */
if (G_IsDazed(ent))
return qfalse;
if (G_IsDead(target))
return qfalse;
/* check ent has reaction fire enabled */
if (!G_IsShaken(ent) && !G_IsReaction(ent))
return qfalse;
if (!G_IsVisibleForTeam(target, ent->team))
return qfalse;
/* If reaction fire is triggered by a friendly unit
* and the shooter is still sane, don't shoot;
* well, if the shooter isn't sane anymore... */
if (G_IsCivilian(target) || target->team == ent->team)
if (!G_IsShaken(ent) || (float) ent->morale / mor_shaken->value > frand())
return qfalse;
/* check in range and visible */
if (VectorDistSqr(ent->origin, target->origin) > MAX_SPOT_DIST * MAX_SPOT_DIST)
return qfalse;
frustum = G_FrustumVis(ent, target->origin);
if (!frustum)
return qfalse;
actorVis = G_ActorVis(ent->origin, target, qtrue);
if (actorVis <= 0.2)
return qfalse;
/* okay do it then */
return qtrue;
}
/**
* @brief Check whether shooter can see his target well enough
* @param[in] shooter The entity that might be firing
* @param[in] target The entity that might be fired at
*/
bool ReactionFire::canSee (const Actor* shooter, const Edict* target) const
{
if (!G_IsVisibleForTeam(target, shooter->getTeam()))
return false;
/* check in range and visible */
const int spotDist = G_VisCheckDist(shooter);
if (VectorDistSqr(shooter->origin, target->origin) > spotDist * spotDist)
return false;
const bool frustum = G_FrustumVis(shooter, target->origin);
if (!frustum)
return false;
const float actorVis = G_ActorVis(shooter->origin, shooter, target, true);
if (actorVis < 0.1)
return false;
return true;
}
/**
* @brief Test if point is "visible" from team.
* @param[in] team A team to test.
* @param[in] point A point to check.
* @return true if point is "visible"
*/
static bool G_TeamPointVis (int team, const vec3_t point)
{
edict_t *from = NULL;
vec3_t eye;
/* test if point is visible from team */
while ((from = G_EdictsGetNextLivingActorOfTeam(from, team))) {
if (G_FrustumVis(from, point)) {
/* get viewers eye height */
VectorCopy(from->origin, eye);
if (G_IsCrouched(from))
eye[2] += EYE_CROUCH;
else
eye[2] += EYE_STAND;
/* line of sight */
if (!G_TestLine(eye, point))
return true;
}
}
/* not visible */
return false;
}
/**
* @brief Applies morale changes to actors around a wounded or killed actor.
* @note only called when mor_panic is not zero
* @param[in] type Type of morale modifier (@sa morale_modifiers)
* @param[in] victim An actor being a victim of the attack.
* @param[in] attacker An actor being attacker in this attack.
* @param[in] param Used to modify morale changes, for G_Damage() it is value of damage.
* @sa G_Damage
*/
static void G_Morale (int type, const edict_t * victim, const edict_t * attacker, int param)
{
edict_t *ent = NULL;
int newMorale;
float mod;
while ((ent = G_EdictsGetNextInUse(ent))) {
/* this only applies to ET_ACTOR but not ET_ACTOR2x2 */
if (ent->type == ET_ACTOR && !G_IsDead(ent) && ent->team != TEAM_CIVILIAN) {
switch (type) {
case ML_WOUND:
case ML_DEATH:
/* morale damage depends on the damage */
mod = mob_wound->value * param;
/* death hurts morale even more than just damage */
if (type == ML_DEATH)
mod += mob_death->value;
/* seeing how someone gets shot increases the morale change */
if (ent == victim || (G_FrustumVis(ent, victim->origin) && G_ActorVis(ent->origin, ent, victim, false)))
mod *= mof_watching->value;
if (attacker != NULL && ent->team == attacker->team) {
/* teamkills are considered to be bad form, but won't cause an increased morale boost for the enemy */
/* morale boost isn't equal to morale loss (it's lower, but morale gets regenerated) */
if (victim->team == attacker->team)
mod *= mof_teamkill->value;
else
mod *= mof_enemy->value;
}
/* seeing a civilian die is more "acceptable" */
if (G_IsCivilian(victim))
mod *= mof_civilian->value;
/* if an ally (or in singleplayermode, as human, a civilian) got shot, lower the morale, don't heighten it. */
if (victim->team == ent->team || (G_IsCivilian(victim) && ent->team != TEAM_ALIEN && sv_maxclients->integer == 1))
mod *= -1;
if (attacker != NULL) {
/* if you stand near to the attacker or the victim, the morale change is higher. */
mod *= mor_default->value + pow(0.5, VectorDist(ent->origin, victim->origin) / mor_distance->value)
* mor_victim->value + pow(0.5, VectorDist(ent->origin, attacker->origin) / mor_distance->value)
* mor_attacker->value;
} else {
mod *= mor_default->value + pow(0.5, VectorDist(ent->origin, victim->origin) / mor_distance->value)
* mor_victim->value;
}
/* morale damage depends on the number of living allies */
mod *= (1 - mon_teamfactor->value)
+ mon_teamfactor->value * (level.num_spawned[victim->team] + 1)
/ (level.num_alive[victim->team] + 1);
/* being hit isn't fun */
if (ent == victim)
mod *= mor_pain->value;
break;
default:
gi.DPrintf("Undefined morale modifier type %i\n", type);
mod = 0;
break;
}
/* clamp new morale */
/*+0.9 to allow weapons like flamethrowers to inflict panic (typecast rounding) */
newMorale = ent->morale + (int) (MORALE_RANDOM(mod) + 0.9);
if (newMorale > GET_MORALE(ent->chr.score.skills[ABILITY_MIND]))
ent->morale = GET_MORALE(ent->chr.score.skills[ABILITY_MIND]);
else if (newMorale < 0)
ent->morale = 0;
else
ent->morale = newMorale;
/* send phys data */
G_SendStats(ent);
}
}
}
/**
* @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 Applies morale changes to actors around a wounded or killed actor.
* @note only called when mor_panic is not zero
* @param[in] type Type of morale modifier (@sa morale_modifiers)
* @param[in] victim An actor being a victim of the attack.
* @param[in] attacker An actor being attacker in this attack.
* @param[in] param Used to modify morale changes, for G_Damage() it is value of damage.
* @sa G_Damage
*/
static void G_Morale (morale_modifiers type, const Edict* victim, const Edict* attacker, int param)
{
Actor* actor = nullptr;
while ((actor = G_EdictsGetNextLivingActor(actor))) {
/* this only applies to ET_ACTOR but not ET_ACTOR2x2 */
if (actor->type != ET_ACTOR)
continue;
if (G_IsCivilian(actor))
continue;
/* morale damage depends on the damage */
float mod = mob_wound->value * param;
if (type == ML_SHOOT)
mod *= mob_shoot->value;
/* death hurts morale even more than just damage */
if (type == ML_DEATH)
mod += mob_death->value;
/* seeing how someone gets shot increases the morale change */
if (actor == victim || (G_FrustumVis(actor, victim->origin) && G_ActorVis(actor, victim, false)))
mod *= mof_watching->value;
if (attacker != nullptr && actor->isSameTeamAs(attacker)) {
/* teamkills are considered to be bad form, but won't cause an increased morale boost for the enemy */
/* morale boost isn't equal to morale loss (it's lower, but morale gets regenerated) */
if (victim->isSameTeamAs(attacker))
mod *= mof_teamkill->value;
else
mod *= mof_enemy->value;
}
/* seeing a civilian die is more "acceptable" */
if (G_IsCivilian(victim))
mod *= mof_civilian->value;
/* if an ally (or in singleplayermode, as human, a civilian) got shot, lower the morale, don't heighten it. */
if (victim->isSameTeamAs(actor) || (G_IsCivilian(victim) && !G_IsAlien(actor) && G_IsSinglePlayer()))
mod *= -1;
if (attacker != nullptr) {
/* if you stand near to the attacker or the victim, the morale change is higher. */
mod *= mor_default->value + pow(0.5f, VectorDist(actor->origin, victim->origin) / mor_distance->value)
* mor_victim->value + pow(0.5f, VectorDist(actor->origin, attacker->origin) / mor_distance->value)
* mor_attacker->value;
} else {
mod *= mor_default->value + pow(0.5f, VectorDist(actor->origin, victim->origin) / mor_distance->value)
* mor_victim->value;
}
/* morale damage depends on the number of living allies */
mod *= (1 - mon_teamfactor->value)
+ mon_teamfactor->value * (level.num_spawned[victim->getTeam()] + 1)
/ (level.num_alive[victim->getTeam()] + 1);
/* being hit isn't fun */
if (actor == victim)
mod *= mor_pain->value;
/* clamp new morale */
/*+0.9 to allow weapons like flamethrowers to inflict panic (typecast rounding) */
const int newMorale = actor->morale + (int) (MORALE_RANDOM(mod) + 0.9);
if (newMorale > GET_MORALE(actor->chr.score.skills[ABILITY_MIND]))
actor->setMorale(GET_MORALE(actor->chr.score.skills[ABILITY_MIND]));
else if (newMorale < 0)
actor->setMorale(0);
else
actor->setMorale(newMorale);
/* send phys data */
G_SendStats(*actor);
}
}
/**
* @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");
}