/**
* @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 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 Generates the client events that are send over the netchannel to move an actor
* @param[in] player Player who is moving an actor
* @param[in] visTeam The team to check the visibility for - if this is 0 we build the forbidden list
* above all edicts - for the human controlled actors this would mean that clicking to a grid
* position that is not reachable because an invisible actor is standing there would not result in
* a single step - as the movement is aborted before. For AI movement this is in general @c 0 - but
* not if they e.g. hide.
* @param[in] ent Edict to move
* @param[in] to The grid position to walk to
* @sa CL_ActorStartMove
* @sa PA_MOVE
*/
void G_ClientMove (const player_t * player, int visTeam, edict_t* ent, const pos3_t to)
{
int status, initTU;
dvec_t dvtab[MAX_DVTAB];
int dir;
byte numdv, length;
pos3_t pos;
float div;
int oldState;
int oldHP;
bool autoCrouchRequired = false;
byte crouchingState;
if (VectorCompare(ent->pos, to))
return;
/* check if action is possible */
if (!G_ActionCheckForCurrentTeam(player, ent, TU_MOVE_STRAIGHT))
return;
crouchingState = G_IsCrouched(ent) ? 1 : 0;
oldState = oldHP = 0;
/* calculate move table */
G_MoveCalc(visTeam, ent, ent->pos, crouchingState, ent->TU);
length = gi.MoveLength(level.pathingMap, to, crouchingState, false);
/* length of ROUTING_NOT_REACHABLE means not reachable */
if (length && length >= ROUTING_NOT_REACHABLE)
return;
/* Autostand: check if the actor is crouched and player wants autostanding...*/
if (crouchingState && player->autostand) {
/* ...and if this is a long walk... */
if (SHOULD_USE_AUTOSTAND(length)) {
/* ...make them stand first. If the player really wants them to walk a long
* way crouched, he can move the actor in several stages.
* Uses the threshold at which standing, moving and crouching again takes
* fewer TU than just crawling while crouched. */
G_ClientStateChange(player, ent, STATE_CROUCHED, true); /* change to stand state */
crouchingState = G_IsCrouched(ent) ? 1 : 0;
if (!crouchingState) {
G_MoveCalc(visTeam, ent, ent->pos, crouchingState, ent->TU);
length = gi.MoveLength(level.pathingMap, to, crouchingState, false);
autoCrouchRequired = true;
}
}
}
/* this let the footstep sounds play even over network */
ent->think = G_PhysicsStep;
ent->nextthink = level.time;
/* assemble dvec-encoded move data */
VectorCopy(to, pos);
initTU = ent->TU;
numdv = G_FillDirectionTable(dvtab, lengthof(dvtab), crouchingState, pos);
/* make sure to end any other pending events - we rely on EV_ACTOR_MOVE not being active anymore */
gi.EndEvents();
/* everything ok, found valid route? */
if (VectorCompare(pos, ent->pos)) {
byte* stepAmount = NULL;
int usedTUs = 0;
/* no floor inventory at this point */
FLOOR(ent) = NULL;
while (numdv > 0) {
/* A flag to see if we needed to change crouch state */
int crouchFlag;
const byte oldDir = ent->dir;
int dvec;
/* get next dvec */
numdv--;
dvec = dvtab[numdv];
/* This is the direction to make the step into */
dir = getDVdir(dvec);
/* turn around first */
status = G_ActorDoTurn(ent, dir);
if (status & VIS_STOP) {
autoCrouchRequired = false;
if (ent->moveinfo.steps == 0)
usedTUs += TU_TURN;
break;
}
if (G_ActorShouldStopInMidMove(ent, status, dvtab, numdv)) {
/* don't autocrouch if new enemy becomes visible */
autoCrouchRequired = false;
/* if something appears on our route that didn't trigger a VIS_STOP, we have to
* send the turn event if this is our first step */
if (oldDir != ent->dir && ent->moveinfo.steps == 0) {
G_EventActorTurn(ent);
usedTUs += TU_TURN;
}
break;
}
/* decrease TUs */
div = gi.GetTUsForDirection(dir, G_IsCrouched(ent));
if ((int) (usedTUs + div) > ent->TU)
break;
usedTUs += div;
/* This is now a flag to indicate a change in crouching - we need this for
* the stop in mid move call(s), because we need the updated entity position */
crouchFlag = 0;
/* Calculate the new position after the decrease in TUs, otherwise the game
* remembers the false position if the time runs out */
PosAddDV(ent->pos, crouchFlag, dvec);
/* slower if crouched */
if (G_IsCrouched(ent))
ent->speed = ACTOR_SPEED_CROUCHED;
else
ent->speed = ACTOR_SPEED_NORMAL;
ent->speed *= g_actorspeed->value;
if (crouchFlag == 0) { /* No change in crouch */
edict_t* clientAction;
int contentFlags;
vec3_t pointTrace;
G_EdictCalcOrigin(ent);
VectorCopy(ent->origin, pointTrace);
pointTrace[2] += PLAYER_MIN;
contentFlags = gi.PointContents(pointTrace);
/* link it at new position - this must be done for every edict
* movement - to let the server know about it. */
gi.LinkEdict(ent);
/* Only the PHALANX team has these stats right now. */
if (ent->chr.scoreMission) {
float truediv = gi.GetTUsForDirection(dir, 0); /* regardless of crouching ! */
if (G_IsCrouched(ent))
ent->chr.scoreMission->movedCrouched += truediv;
else
ent->chr.scoreMission->movedNormal += truediv;
}
/* write the step to the net */
G_WriteStep(ent, &stepAmount, dvec, contentFlags);
/* check if player appears/perishes, seen from other teams */
G_CheckVis(ent, true);
/* check for anything appearing, seen by "the moving one" */
status = G_CheckVisTeamAll(ent->team, false, ent);
/* Set ent->TU because the reaction code relies on ent->TU being accurate. */
G_ActorSetTU(ent, initTU - usedTUs);
clientAction = ent->clientAction;
oldState = ent->state;
oldHP = ent->HP;
/* check triggers at new position */
if (G_TouchTriggers(ent)) {
if (!clientAction)
status |= VIS_STOP;
}
G_TouchSolids(ent, 10.0f);
/* state has changed - maybe we walked on a trigger_hurt */
if (oldState != ent->state)
status |= VIS_STOP;
else if (oldHP != ent->HP)
status |= VIS_STOP;
} else if (crouchFlag == 1) {
/* Actor is standing */
G_ClientStateChange(player, ent, STATE_CROUCHED, true);
} else if (crouchFlag == -1) {
/* Actor is crouching and should stand up */
G_ClientStateChange(player, ent, STATE_CROUCHED, false);
}
/* check for reaction fire */
if (G_ReactionFireOnMovement(ent)) {
status |= VIS_STOP;
autoCrouchRequired = false;
}
/* check for death */
if (((oldHP != 0 && oldHP != ent->HP) || (oldState != ent->state)) && !G_IsDazed(ent)) {
/** @todo Handle dazed via trigger_hurt */
/* maybe this was due to rf - then the G_ActorDie was already called */
if (!G_IsDead(ent)) {
G_CheckDeathOrKnockout(ent, NULL, NULL, oldHP - ent->HP);
}
return;
}
if (G_ActorShouldStopInMidMove(ent, status, dvtab, numdv - 1)) {
/* don't autocrouch if new enemy becomes visible */
autoCrouchRequired = false;
break;
}
/* Restore ent->TU because the movement code relies on it not being modified! */
G_ActorSetTU(ent, initTU);
}
/* submit the TUs / round down */
if (g_notu != NULL && g_notu->integer)
G_ActorSetTU(ent, initTU);
else
G_ActorSetTU(ent, initTU - usedTUs);
G_SendStats(ent);
/* end the move */
G_GetFloorItems(ent);
gi.EndEvents();
}
if (autoCrouchRequired) {
/* toggle back to crouched state */
G_ClientStateChange(player, ent, STATE_CROUCHED, true);
}
}
/**
* @brief Set time units for the given edict. Based on speed skills
* @param ent The actor edict
*/
void G_ActorGiveTimeUnits (Edict* ent)
{
const int tus = G_IsDazed(ent) ? 0 : G_ActorCalculateMaxTU(ent);
G_ActorSetTU(ent, tus);
G_RemoveDazed(ent);
}
