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p_weapon.cpp
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// Copyright (c) ZeniMax Media Inc.
// Licensed under the GNU General Public License 2.0.
// g_weapon.c
#include "g_local.h"
#include "monsters/m_player.h"
bool is_quad;
bool is_quadfire;
player_muzzle_t is_silenced;
byte damage_multiplier;
/*
================
InfiniteAmmoOn
================
*/
bool InfiniteAmmoOn(gitem_t *item) {
if (item && item->flags & IF_NO_INFINITE_AMMO)
return false;
return g_infinite_ammo->integer || (deathmatch->integer && (g_instagib->integer || g_nadefest->integer));
}
/*
================
Stats_AddShot
================
*/
static void Stats_AddShot(gentity_t *ent) {
MS_Adjust(ent->client, MSTAT_SHOTS, 1);
}
/*
================
P_DamageModifier
================
*/
byte P_DamageModifier(gentity_t *ent) {
is_quad = false;
damage_multiplier = 1;
if (ent->client->pu_time_quad > level.time) {
damage_multiplier *= 4;
is_quad = true;
// if we're quad and DF_NO_STACK_DOUBLE is on, return now.
if (g_dm_no_stack_double->integer)
return damage_multiplier;
}
if (ent->client->pu_time_double > level.time) {
damage_multiplier *= 2;
is_quad = true;
}
return damage_multiplier;
}
/*
================
P_CurrentKickFactor
[Paril-KEX] kicks in vanilla take place over 2 10hz server
frames; this is to mimic that visual behavior on any tickrate.
================
*/
static inline float P_CurrentKickFactor(gentity_t *ent) {
if (ent->client->kick.time < level.time)
return 0.f;
float f = (ent->client->kick.time - level.time).seconds() / ent->client->kick.total.seconds();
return f;
}
/*
================
P_CurrentKickAngles
================
*/
vec3_t P_CurrentKickAngles(gentity_t *ent) {
return ent->client->kick.angles * P_CurrentKickFactor(ent);
}
/*
================
P_CurrentKickOrigin
================
*/
vec3_t P_CurrentKickOrigin(gentity_t *ent) {
return ent->client->kick.origin * P_CurrentKickFactor(ent);
}
/*
================
P_AddWeaponKick
================
*/
void P_AddWeaponKick(gentity_t *ent, const vec3_t &origin, const vec3_t &angles) {
ent->client->kick.origin = origin;
ent->client->kick.angles = angles;
ent->client->kick.total = 200_ms;
ent->client->kick.time = level.time + ent->client->kick.total;
}
/*
================
P_ProjectSource
================
*/
void P_ProjectSource(gentity_t *ent, const vec3_t &angles, vec3_t distance, vec3_t &result_start, vec3_t &result_dir) {
if (g_weapon_projection->integer) {
distance[1] = 0;
if (g_weapon_projection->integer > 1)
distance[2] = 0;
} else if (ent->client->pers.hand == LEFT_HANDED)
distance[1] *= -1;
else if (ent->client->pers.hand == CENTER_HANDED)
distance[1] = 0;
vec3_t forward, right, up;
vec3_t eye_position = (ent->s.origin + vec3_t{ 0, 0, (float)ent->viewheight });
AngleVectors(angles, forward, right, up);
result_start = G_ProjectSource2(eye_position, distance, forward, right, up);
vec3_t end = eye_position + forward * 8192;
contents_t mask = MASK_PROJECTILE & ~CONTENTS_DEADMONSTER;
// [Paril-KEX]
if (!G_ShouldPlayersCollide(true))
mask &= ~CONTENTS_PLAYER;
trace_t tr = gi.traceline(eye_position, end, ent, mask);
// if the point was a monster & close to us, use raw forward
// so railgun pierces properly
if (tr.startsolid || ((tr.contents & (CONTENTS_MONSTER | CONTENTS_PLAYER)) && (tr.fraction * 8192.f) < 128.f))
result_dir = forward;
else {
end = tr.endpos;
result_dir = (end - result_start).normalized();
}
}
/*
===============
PlayerNoise
Each player can have two noise objects associated with it:
a personal noise (jumping, pain, weapon firing), and a weapon
target noise (bullet wall impacts)
Monsters that don't directly see the player can move
to a noise in hopes of seeing the player from there.
===============
*/
void PlayerNoise(gentity_t *who, const vec3_t &where, player_noise_t type) {
gentity_t *noise;
if (type == PNOISE_WEAPON) {
if (who->client->silencer_shots)
who->client->invisibility_fade_time = level.time + (INVISIBILITY_TIME / 5);
else
who->client->invisibility_fade_time = level.time + INVISIBILITY_TIME;
if (who->client->silencer_shots) {
who->client->silencer_shots--;
return;
}
}
if (deathmatch->integer)
return;
if (who->flags & FL_NOTARGET)
return;
if (type == PNOISE_SELF &&
(who->client->landmark_free_fall || who->client->landmark_noise_time >= level.time))
return;
if (who->flags & FL_DISGUISED) {
if (type == PNOISE_WEAPON) {
level.disguise_violator = who;
level.disguise_violation_time = level.time + 500_ms;
} else
return;
}
if (!who->mynoise) {
noise = G_Spawn();
noise->classname = "player_noise";
noise->mins = { -8, -8, -8 };
noise->maxs = { 8, 8, 8 };
noise->owner = who;
noise->svflags = SVF_NOCLIENT;
who->mynoise = noise;
noise = G_Spawn();
noise->classname = "player_noise";
noise->mins = { -8, -8, -8 };
noise->maxs = { 8, 8, 8 };
noise->owner = who;
noise->svflags = SVF_NOCLIENT;
who->mynoise2 = noise;
}
if (type == PNOISE_SELF || type == PNOISE_WEAPON) {
noise = who->mynoise;
who->client->sound_entity = noise;
who->client->sound_entity_time = level.time;
} else // type == PNOISE_IMPACT
{
noise = who->mynoise2;
who->client->sound2_entity = noise;
who->client->sound2_entity_time = level.time;
}
noise->s.origin = where;
noise->absmin = where - noise->maxs;
noise->absmax = where + noise->maxs;
noise->teleport_time = level.time;
gi.linkentity(noise);
}
/*
================
G_WeaponShouldStay
================
*/
static inline bool G_WeaponShouldStay() {
if (deathmatch->integer)
return g_dm_weapons_stay->integer;
else if (coop->integer)
return !P_UseCoopInstancedItems();
return false;
}
/*
================
Pickup_Weapon
================
*/
void G_CheckAutoSwitch(gentity_t *ent, gitem_t *item, bool is_new);
bool Pickup_Weapon(gentity_t *ent, gentity_t *other) {
item_id_t index = ent->item->id;
if (G_WeaponShouldStay() && other->client->pers.inventory[index]) {
if (!(ent->spawnflags & (SPAWNFLAG_ITEM_DROPPED | SPAWNFLAG_ITEM_DROPPED_PLAYER)))
return false; // leave the weapon for others to pickup
}
gitem_t *ammo;
bool is_new = !other->client->pers.inventory[index];
if (!(ent->spawnflags & SPAWNFLAG_ITEM_DROPPED) || ent->count) {
// give them some ammo with it if appropriate
if (ent->item->ammo) {
ammo = GetItemByIndex(ent->item->ammo);
if (InfiniteAmmoOn(ammo))
Add_Ammo(other, ammo, AMMO_INFINITE);
else {
int quantity = 0;
if (RS(RS_Q3A)) {
if (ent->count)
quantity = ent->count;
else {
if (ammo->id == IT_AMMO_GRENADES ||
ammo->id == IT_AMMO_ROCKETS ||
ammo->id == IT_AMMO_SLUGS)
quantity = 10;
else
quantity = ammo->quantity;
}
if (other->client->pers.inventory[ammo->id] < quantity)
quantity = quantity - other->client->pers.inventory[ammo->id];
else
quantity = 1;
} else {
if (ent->count)
quantity = ent->count;
else {
if (RS(RS_Q2RE) && ammo->id == IT_AMMO_SLUGS)
quantity = 10;
else
quantity = ammo->quantity;
}
}
Add_Ammo(other, ammo, quantity);
}
}
if (!(ent->spawnflags & SPAWNFLAG_ITEM_DROPPED_PLAYER)) {
if (deathmatch->integer) {
if (g_dm_weapons_stay->integer)
ent->flags |= FL_RESPAWN;
SetRespawn(ent, gtime_t::from_sec(g_weapon_respawn_time->integer), !g_dm_weapons_stay->integer);
}
if (coop->integer)
ent->flags |= FL_RESPAWN;
}
}
other->client->pers.inventory[index]++;
G_CheckAutoSwitch(other, ent->item, is_new);
return true;
}
/*
================
Weapon_RunThink
================
*/
static void Weapon_RunThink(gentity_t *ent) {
// call active weapon think routine
if (!ent->client->pers.weapon->weaponthink)
return;
P_DamageModifier(ent);
is_quadfire = (ent->client->pu_time_duelfire > level.time);
if (ent->client->silencer_shots)
is_silenced = MZ_SILENCED;
else
is_silenced = MZ_NONE;
ent->client->pers.weapon->weaponthink(ent);
}
/*
===============
Change_Weapon
The old weapon has been dropped all the way, so make the new one
current
===============
*/
void Change_Weapon(gentity_t *ent) {
// [Paril-KEX]
if (ent->health > 0 && !g_instant_weapon_switch->integer && !g_frenzy->integer && ((ent->client->latched_buttons | ent->client->buttons) & BUTTON_HOLSTER))
return;
if (ent->client->grenade_time) {
// force a weapon think to drop the held grenade
ent->client->weapon_sound = 0;
Weapon_RunThink(ent);
ent->client->grenade_time = 0_ms;
}
if (ent->client->pers.weapon) {
ent->client->pers.lastweapon = ent->client->pers.weapon;
if (ent->client->newweapon && ent->client->newweapon != ent->client->pers.weapon) {
//muff: only make the sound if we can switch faster
if (g_quick_weapon_switch->integer || g_instant_weapon_switch->integer)
gi.sound(ent, CHAN_WEAPON, gi.soundindex("weapons/change.wav"), 1, ATTN_NORM, 0);
}
}
ent->client->pers.weapon = ent->client->newweapon;
ent->client->newweapon = nullptr;
// set visible model
if (ent->s.modelindex == MODELINDEX_PLAYER)
P_AssignClientSkinnum(ent);
if (!ent->client->pers.weapon) { // dead
ent->client->ps.gunindex = 0;
ent->client->ps.gunskin = 0;
return;
}
ent->client->weaponstate = WEAPON_ACTIVATING;
ent->client->ps.gunframe = 0;
ent->client->ps.gunindex = gi.modelindex(ent->client->pers.weapon->view_model);
ent->client->ps.gunskin = 0;
ent->client->weapon_sound = 0;
ent->client->anim_priority = ANIM_PAIN;
if (ent->client->ps.pmove.pm_flags & PMF_DUCKED) {
ent->s.frame = FRAME_crpain1;
ent->client->anim_end = FRAME_crpain4;
} else {
ent->s.frame = FRAME_pain301;
ent->client->anim_end = FRAME_pain304;
}
ent->client->anim_time = 0_ms;
// for instantweap, run think immediately
// to set up correct start frame
if (g_instant_weapon_switch->integer || g_frenzy->integer)
Weapon_RunThink(ent);
}
/*
=================
NoAmmoWeaponChange
=================
*/
void NoAmmoWeaponChange(gentity_t *ent, bool sound) {
if (sound) {
if (level.time >= ent->client->empty_click_sound) {
gi.sound(ent, CHAN_WEAPON, gi.soundindex("weapons/noammo.wav"), 1, ATTN_NORM, 0);
ent->client->empty_click_sound = level.time + 1_sec;
}
}
constexpr item_id_t no_ammo_order[] = {
IT_WEAPON_DISRUPTOR,
IT_WEAPON_BFG,
IT_WEAPON_RAILGUN,
IT_WEAPON_PLASMABEAM,
IT_WEAPON_IONRIPPER,
IT_WEAPON_HYPERBLASTER,
IT_WEAPON_ETF_RIFLE,
IT_WEAPON_CHAINGUN,
IT_WEAPON_MACHINEGUN,
IT_WEAPON_SSHOTGUN,
IT_WEAPON_SHOTGUN,
IT_WEAPON_PHALANX,
IT_WEAPON_RLAUNCHER,
IT_WEAPON_GLAUNCHER,
IT_WEAPON_PROXLAUNCHER,
IT_AMMO_GRENADES,
IT_WEAPON_BLASTER,
IT_WEAPON_CHAINFIST
};
for (size_t i = 0; i < q_countof(no_ammo_order); i++) {
gitem_t *item = GetItemByIndex(no_ammo_order[i]);
if (!item)
gi.Com_ErrorFmt("Invalid no ammo weapon switch weapon {}\n", (int32_t)no_ammo_order[i]);
if (!ent->client->pers.inventory[item->id])
continue;
if (item->ammo && ent->client->pers.inventory[item->ammo] < item->quantity)
continue;
ent->client->newweapon = item;
return;
}
}
/*
================
RemoveAmmo
================
*/
static void RemoveAmmo(gentity_t *ent, int32_t quantity) {
if (InfiniteAmmoOn(ent->client->pers.weapon))
return;
bool pre_warning = ent->client->pers.inventory[ent->client->pers.weapon->ammo] <=
ent->client->pers.weapon->quantity_warn;
ent->client->pers.inventory[ent->client->pers.weapon->ammo] -= quantity;
bool post_warning = ent->client->pers.inventory[ent->client->pers.weapon->ammo] <=
ent->client->pers.weapon->quantity_warn;
if (!pre_warning && post_warning)
gi.local_sound(ent, CHAN_AUTO, gi.soundindex("weapons/lowammo.wav"), 1, ATTN_NORM, 0);
if (ent->client->pers.weapon->ammo == IT_AMMO_CELLS)
G_CheckPowerArmor(ent);
}
/*
================
Weapon_AnimationTime
[Paril-KEX] get time per animation frame
================
*/
static inline gtime_t Weapon_AnimationTime(gentity_t *ent) {
if ((g_quick_weapon_switch->integer || g_frenzy->integer) && (gi.tick_rate >= 20) &&
(ent->client->weaponstate == WEAPON_ACTIVATING || ent->client->weaponstate == WEAPON_DROPPING))
ent->client->ps.gunrate = 20;
else
ent->client->ps.gunrate = 10;
if (ent->client->ps.gunframe != 0 && (!(ent->client->pers.weapon->flags & IF_NO_HASTE) || ent->client->weaponstate != WEAPON_FIRING)) {
if (is_quadfire)
ent->client->ps.gunrate *= 2;
if (Tech_ApplyTimeAccel(ent))
ent->client->ps.gunrate *= 2;
if (g_frenzy->integer)
ent->client->ps.gunrate *= 2;
}
// network optimization...
if (ent->client->ps.gunrate == 10) {
ent->client->ps.gunrate = 0;
return 100_ms;
}
return gtime_t::from_ms((1.f / ent->client->ps.gunrate) * 1000);
}
/*
=================
Think_Weapon
Called by ClientBeginServerFrame and ClientThink
=================
*/
void Think_Weapon(gentity_t *ent) {
if (!ClientIsPlaying(ent->client) || ent->client->eliminated)
return;
// if just died, put the weapon away
if (ent->health < 1) {
ent->client->newweapon = nullptr;
Change_Weapon(ent);
}
if (!ent->client->pers.weapon) {
if (ent->client->newweapon)
Change_Weapon(ent);
return;
}
// call active weapon think routine
Weapon_RunThink(ent);
// check remainder from time accel; on 100ms/50ms server frames we may have
// 'run next frame in' times that we can't possibly catch up to,
// so we have to run them now.
if (33_ms < FRAME_TIME_MS) {
gtime_t relative_time = Weapon_AnimationTime(ent);
if (relative_time < FRAME_TIME_MS) {
// check how many we can't run before the next server tick
gtime_t next_frame = level.time + FRAME_TIME_S;
int64_t remaining_ms = (next_frame - ent->client->weapon_think_time).milliseconds();
while (remaining_ms > 0) {
ent->client->weapon_think_time -= relative_time;
ent->client->weapon_fire_finished -= relative_time;
Weapon_RunThink(ent);
remaining_ms -= relative_time.milliseconds();
}
}
}
}
/*
================
Weapon_AttemptSwitch
================
*/
enum weap_switch_t {
WEAP_SWITCH_ALREADY_USING,
WEAP_SWITCH_NO_WEAPON,
WEAP_SWITCH_NO_AMMO,
WEAP_SWITCH_NOT_ENOUGH_AMMO,
WEAP_SWITCH_VALID
};
static weap_switch_t Weapon_AttemptSwitch(gentity_t *ent, gitem_t *item, bool silent) {
if (ent->client->pers.weapon == item)
return WEAP_SWITCH_ALREADY_USING;
else if (!ent->client->pers.inventory[item->id])
return WEAP_SWITCH_NO_WEAPON;
if (item->ammo && !g_select_empty->integer && !(item->flags & IF_AMMO)) {
gitem_t *ammo_item = GetItemByIndex(item->ammo);
if (!ent->client->pers.inventory[item->ammo]) {
if (!silent)
gi.LocClient_Print(ent, PRINT_HIGH, "$g_no_ammo", ammo_item->pickup_name, item->pickup_name_definite);
return WEAP_SWITCH_NO_AMMO;
} else if (ent->client->pers.inventory[item->ammo] < item->quantity) {
if (!silent)
gi.LocClient_Print(ent, PRINT_HIGH, "$g_not_enough_ammo", ammo_item->pickup_name, item->pickup_name_definite);
return WEAP_SWITCH_NOT_ENOUGH_AMMO;
}
}
return WEAP_SWITCH_VALID;
}
static inline bool Weapon_IsPartOfChain(gitem_t *item, gitem_t *other) {
return other && other->chain && item->chain && other->chain == item->chain;
}
/*
================
Use_Weapon
Make the weapon ready if there is ammo
================
*/
void Use_Weapon(gentity_t *ent, gitem_t *item) {
gitem_t *wanted, *root;
weap_switch_t result = WEAP_SWITCH_NO_WEAPON;
// if we're switching to a weapon in this chain already,
// start from the weapon after this one in the chain
if (!ent->client->no_weapon_chains && Weapon_IsPartOfChain(item, ent->client->newweapon)) {
root = ent->client->newweapon;
wanted = root->chain_next;
}
// if we're already holding a weapon in this chain,
// start from the weapon after that one
else if (!ent->client->no_weapon_chains && Weapon_IsPartOfChain(item, ent->client->pers.weapon)) {
root = ent->client->pers.weapon;
wanted = root->chain_next;
}
// start from beginning of chain (if any)
else
wanted = root = item;
while (true) {
// try the weapon currently in the chain
if ((result = Weapon_AttemptSwitch(ent, wanted, false)) == WEAP_SWITCH_VALID)
break;
// no chains
if (!wanted->chain_next || ent->client->no_weapon_chains)
break;
wanted = wanted->chain_next;
// we wrapped back to the root item
if (wanted == root)
break;
}
if (result == WEAP_SWITCH_VALID)
ent->client->newweapon = wanted; // change to this weapon when down
else if ((result = Weapon_AttemptSwitch(ent, wanted, true)) == WEAP_SWITCH_NO_WEAPON && wanted != ent->client->pers.weapon && wanted != ent->client->newweapon)
gi.LocClient_Print(ent, PRINT_HIGH, "$g_out_of_item", wanted->pickup_name);
}
/*
================
Drop_Weapon
================
*/
void Drop_Weapon(gentity_t *ent, gitem_t *item) {
// [Paril-KEX]
if (deathmatch->integer && g_dm_weapons_stay->integer)
return;
item_id_t index = item->id;
if (ent->client->pers.inventory[index] < 1)
return;
gentity_t *drop = Drop_Item(ent, item);
drop->spawnflags |= SPAWNFLAG_ITEM_DROPPED_PLAYER;
drop->svflags &= ~SVF_INSTANCED;
gitem_t *ammo = GetItemByIndex(drop->item->ammo);
if (!ammo)
return;
if (ent->client->pers.inventory[ammo->id] <= 0)
return;
drop->count = ammo->quantity;
if (item->id == IT_WEAPON_RAILGUN) {
if (!(RS(RS_MM)))
drop->count += 5;
}
drop->count = clamp(drop->count, drop->count, ent->client->pers.inventory[ammo->id]);
if (drop->count <= 0)
return;
if (ent->client->pers.inventory[ammo->id] - drop->count < 0) {
G_FreeEntity(drop);
return;
}
ent->client->pers.inventory[ammo->id] -= drop->count;
ent->client->pers.inventory[index]--;
// see if we were already using it
if ((item == ent->client->pers.weapon) || (item == ent->client->newweapon)) {
if (ent->client->pers.inventory[index] < 1 || ent->client->pers.inventory[ammo->id] < 1)
NoAmmoWeaponChange(ent, true);
}
}
/*
================
Weapon_PowerupSound
================
*/
void Weapon_PowerupSound(gentity_t *ent) {
if (!Tech_ApplyPowerAmpSound(ent)) {
if (ent->client->pu_time_quad > level.time && ent->client->pu_time_double > level.time)
gi.sound(ent, CHAN_ITEM, gi.soundindex("ctf/tech2x.wav"), 1, ATTN_NORM, 0);
else if (ent->client->pu_time_quad > level.time)
gi.sound(ent, CHAN_ITEM, gi.soundindex("items/damage3.wav"), 1, ATTN_NORM, 0);
else if (ent->client->pu_time_double > level.time)
gi.sound(ent, CHAN_ITEM, gi.soundindex("misc/ddamage3.wav"), 1, ATTN_NORM, 0);
else if (ent->client->pu_time_duelfire > level.time
&& ent->client->tech_sound_time < level.time) {
ent->client->tech_sound_time = level.time + 1_sec;
gi.sound(ent, CHAN_ITEM, gi.soundindex("ctf/tech3.wav"), 1, ATTN_NORM, 0);
}
}
Tech_ApplyTimeAccelSound(ent);
}
/*
================
Weapon_CanAnimate
================
*/
static inline bool Weapon_CanAnimate(gentity_t *ent) {
// VWep animations screw up corpses
return !ent->deadflag && ent->s.modelindex == MODELINDEX_PLAYER;
}
/*
================
Weapon_SetFinished
[Paril-KEX] called when finished to set time until
we're allowed to switch to fire again
================
*/
static inline void Weapon_SetFinished(gentity_t *ent) {
ent->client->weapon_fire_finished = level.time + Weapon_AnimationTime(ent);
}
/*
================
Weapon_HandleDropping
================
*/
static inline bool Weapon_HandleDropping(gentity_t *ent, int FRAME_DEACTIVATE_LAST) {
if (ent->client->weaponstate == WEAPON_DROPPING) {
if (ent->client->weapon_think_time <= level.time) {
if (ent->client->ps.gunframe == FRAME_DEACTIVATE_LAST) {
Change_Weapon(ent);
return true;
} else if ((FRAME_DEACTIVATE_LAST - ent->client->ps.gunframe) == 4) {
ent->client->anim_priority = ANIM_ATTACK | ANIM_REVERSED;
if (ent->client->ps.pmove.pm_flags & PMF_DUCKED) {
ent->s.frame = FRAME_crpain4 + 1;
ent->client->anim_end = FRAME_crpain1;
} else {
ent->s.frame = FRAME_pain304 + 1;
ent->client->anim_end = FRAME_pain301;
}
ent->client->anim_time = 0_ms;
}
ent->client->ps.gunframe++;
ent->client->weapon_think_time = level.time + Weapon_AnimationTime(ent);
}
return true;
}
return false;
}
/*
================
Weapon_HandleActivating
================
*/
static inline bool Weapon_HandleActivating(gentity_t *ent, int FRAME_ACTIVATE_LAST, int FRAME_IDLE_FIRST) {
if (ent->client->weaponstate == WEAPON_ACTIVATING) {
if (ent->client->weapon_think_time <= level.time || g_instant_weapon_switch->integer || g_frenzy->integer) {
ent->client->weapon_think_time = level.time + Weapon_AnimationTime(ent);
if (ent->client->ps.gunframe == FRAME_ACTIVATE_LAST || g_instant_weapon_switch->integer || g_frenzy->integer) {
ent->client->weaponstate = WEAPON_READY;
ent->client->ps.gunframe = FRAME_IDLE_FIRST;
ent->client->weapon_fire_buffered = false;
if (!g_instant_weapon_switch->integer || g_frenzy->integer)
Weapon_SetFinished(ent);
else
ent->client->weapon_fire_finished = 0_ms;
return true;
}
ent->client->ps.gunframe++;
return true;
}
}
return false;
}
/*
================
Weapon_HandleNewWeapon
================
*/
static inline bool Weapon_HandleNewWeapon(gentity_t *ent, int FRAME_DEACTIVATE_FIRST, int FRAME_DEACTIVATE_LAST) {
bool is_holstering = false;
if (!g_instant_weapon_switch->integer || g_frenzy->integer)
is_holstering = ((ent->client->latched_buttons | ent->client->buttons) & BUTTON_HOLSTER);
if ((ent->client->newweapon || is_holstering) && (ent->client->weaponstate != WEAPON_FIRING)) {
if (g_instant_weapon_switch->integer || g_frenzy->integer || ent->client->weapon_think_time <= level.time) {
if (!ent->client->newweapon)
ent->client->newweapon = ent->client->pers.weapon;
ent->client->weaponstate = WEAPON_DROPPING;
if (g_instant_weapon_switch->integer || g_frenzy->integer) {
Change_Weapon(ent);
return true;
}
ent->client->ps.gunframe = FRAME_DEACTIVATE_FIRST;
if ((FRAME_DEACTIVATE_LAST - FRAME_DEACTIVATE_FIRST) < 4) {
ent->client->anim_priority = ANIM_ATTACK | ANIM_REVERSED;
if (ent->client->ps.pmove.pm_flags & PMF_DUCKED) {
ent->s.frame = FRAME_crpain4 + 1;
ent->client->anim_end = FRAME_crpain1;
} else {
ent->s.frame = FRAME_pain304 + 1;
ent->client->anim_end = FRAME_pain301;
}
ent->client->anim_time = 0_ms;
}
ent->client->weapon_think_time = level.time + Weapon_AnimationTime(ent);
}
return true;
}
return false;
}
/*
================
Weapon_HandleReady
================
*/
enum weapon_ready_state_t {
READY_NONE,
READY_CHANGING,
READY_FIRING
};
static inline weapon_ready_state_t Weapon_HandleReady(gentity_t *ent, int FRAME_FIRE_FIRST, int FRAME_IDLE_FIRST, int FRAME_IDLE_LAST, const int *pause_frames) {
if (ent->client->weaponstate == WEAPON_READY) {
bool request_firing;
if (IsCombatDisabled()) {
request_firing = false;
ent->client->latched_buttons &= ~BUTTON_ATTACK;
} else
request_firing = ent->client->weapon_fire_buffered || ((ent->client->latched_buttons | ent->client->buttons) & BUTTON_ATTACK);
if (request_firing && ent->client->weapon_fire_finished <= level.time) {
ent->client->latched_buttons &= ~BUTTON_ATTACK;
ent->client->weapon_think_time = level.time;
if ((!ent->client->pers.weapon->ammo) ||
(ent->client->pers.inventory[ent->client->pers.weapon->ammo] >= ent->client->pers.weapon->quantity)) {
ent->client->weaponstate = WEAPON_FIRING;
ent->client->last_firing_time = level.time + COOP_DAMAGE_FIRING_TIME;
return READY_FIRING;
} else {
NoAmmoWeaponChange(ent, true);
return READY_CHANGING;
}
} else if (ent->client->weapon_think_time <= level.time) {
ent->client->weapon_think_time = level.time + Weapon_AnimationTime(ent);
if (ent->client->ps.gunframe == FRAME_IDLE_LAST) {
ent->client->ps.gunframe = FRAME_IDLE_FIRST;
return READY_CHANGING;
}
if (pause_frames)
for (int n = 0; pause_frames[n]; n++)
if (ent->client->ps.gunframe == pause_frames[n])
if (irandom(16))
return READY_CHANGING;
ent->client->ps.gunframe++;
return READY_CHANGING;
}
}
return READY_NONE;
}
/*
================
Weapon_HandleFiring
================
*/
static inline void Weapon_HandleFiring(gentity_t *ent, int32_t FRAME_IDLE_FIRST, std::function<void()> fire_handler) {
Weapon_SetFinished(ent);
if (ent->client->weapon_fire_buffered) {
ent->client->buttons |= BUTTON_ATTACK;
ent->client->weapon_fire_buffered = false;
}
fire_handler();
if (ent->client->ps.gunframe == FRAME_IDLE_FIRST) {
ent->client->weaponstate = WEAPON_READY;
ent->client->weapon_fire_buffered = false;
}
ent->client->weapon_think_time = level.time + Weapon_AnimationTime(ent);
}
/*
================
Weapon_Generic
================
*/
void Weapon_Generic(gentity_t *ent, int FRAME_ACTIVATE_LAST, int FRAME_FIRE_LAST, int FRAME_IDLE_LAST, int FRAME_DEACTIVATE_LAST, const int *pause_frames, const int *fire_frames, void (*fire)(gentity_t *ent)) {
int FRAME_FIRE_FIRST = (FRAME_ACTIVATE_LAST + 1);
int FRAME_IDLE_FIRST = (FRAME_FIRE_LAST + 1);
int FRAME_DEACTIVATE_FIRST = (FRAME_IDLE_LAST + 1);
if (!Weapon_CanAnimate(ent))
return;
if (Weapon_HandleDropping(ent, FRAME_DEACTIVATE_LAST))
return;
else if (Weapon_HandleActivating(ent, FRAME_ACTIVATE_LAST, FRAME_IDLE_FIRST))
return;
else if (Weapon_HandleNewWeapon(ent, FRAME_DEACTIVATE_FIRST, FRAME_DEACTIVATE_LAST))
return;
else if (auto state = Weapon_HandleReady(ent, FRAME_FIRE_FIRST, FRAME_IDLE_FIRST, FRAME_IDLE_LAST, pause_frames)) {
if (state == READY_FIRING) {
ent->client->ps.gunframe = FRAME_FIRE_FIRST;
ent->client->weapon_fire_buffered = false;
if (ent->client->weapon_thunk)
ent->client->weapon_think_time += FRAME_TIME_S;
ent->client->weapon_think_time += Weapon_AnimationTime(ent);
Weapon_SetFinished(ent);
for (int n = 0; fire_frames[n]; n++) {
if (ent->client->ps.gunframe == fire_frames[n]) {
Weapon_PowerupSound(ent);
fire(ent);
break;
}
}
// start the animation
ent->client->anim_priority = ANIM_ATTACK;
if (ent->client->ps.pmove.pm_flags & PMF_DUCKED) {
ent->s.frame = FRAME_crattak1 - 1;
ent->client->anim_end = FRAME_crattak9;
} else {
ent->s.frame = FRAME_attack1 - 1;
ent->client->anim_end = FRAME_attack8;
}
ent->client->anim_time = 0_ms;
}
return;
}
if (ent->client->weaponstate == WEAPON_FIRING && ent->client->weapon_think_time <= level.time) {
ent->client->last_firing_time = level.time + COOP_DAMAGE_FIRING_TIME;
ent->client->ps.gunframe++;
Weapon_HandleFiring(ent, FRAME_IDLE_FIRST, [&]() {
for (int n = 0; fire_frames[n]; n++) {
if (ent->client->ps.gunframe == fire_frames[n]) {
Weapon_PowerupSound(ent);
fire(ent);
break;
}
}
});
}
}
/*
================