static void DestroyObject(
TObject *o, const int flags, const int playerUID, const int uid)
{
o->Health = 0;
const Vec2i realPos = Vec2iNew(o->tileItem.x, o->tileItem.y);
if (!gCampaign.IsClient)
{
// Update objective
UpdateMissionObjective(&gMission, o->tileItem.flags, OBJECTIVE_DESTROY);
// Extra score if objective
if ((o->tileItem.flags & TILEITEM_OBJECTIVE) && playerUID >= 0)
{
GameEvent e = GameEventNew(GAME_EVENT_SCORE);
e.u.Score.PlayerUID = playerUID;
e.u.Score.Score = OBJECT_SCORE;
GameEventsEnqueue(&gGameEvents, e);
}
// Weapons that go off when this object is destroyed
const Vec2i fullPos = Vec2iReal2Full(realPos);
for (int i = 0; i < (int)o->Class->DestroyGuns.size; i++)
{
const GunDescription **g = CArrayGet(&o->Class->DestroyGuns, i);
GunFire(*g, fullPos, 0, 0, flags, playerUID, uid, true, false);
}
// A wreck left after the destruction of this object
// TODO: doesn't need to be network event
GameEvent e = GameEventNew(GAME_EVENT_ADD_BULLET);
e.u.AddBullet.UID = MobObjsObjsGetNextUID();
strcpy(e.u.AddBullet.BulletClass, "fireball_wreck");
e.u.AddBullet.MuzzlePos = Vec2i2Net(fullPos);
e.u.AddBullet.MuzzleHeight = 0;
e.u.AddBullet.Angle = 0;
e.u.AddBullet.Elevation = 0;
e.u.AddBullet.Flags = 0;
e.u.AddBullet.PlayerUID = -1;
e.u.AddBullet.ActorUID = -1;
GameEventsEnqueue(&gGameEvents, e);
}
SoundPlayAt(&gSoundDevice, gSoundDevice.wreckSound, realPos);
// Turn the object into a wreck, if available
if (o->Class->Wreck.Pic)
{
o->tileItem.flags = TILEITEM_IS_WRECK;
}
else
{
ObjDestroy(o->tileItem.id);
}
// Update pathfinding cache since this object could have blocked a path
// before
PathCacheClear(&gPathCache);
}
static void DoDamageCharacter(
const Vec2i hitVector,
const int power,
const int flags,
const int playerUID,
const int uid,
TActor *actor,
const special_damage_e special)
{
// Create events: hit, damage, score
CASSERT(actor->isInUse, "Cannot damage nonexistent player");
CASSERT(CanHitCharacter(flags, uid, actor), "damaging undamageable actor");
if (ConfigGetBool(&gConfig, "Game.ShotsPushback"))
{
GameEvent ei = GameEventNew(GAME_EVENT_ACTOR_IMPULSE);
ei.u.ActorImpulse.UID = actor->uid;
ei.u.ActorImpulse.Vel = Vec2i2Net(Vec2iScaleDiv(
Vec2iScale(hitVector, power), SHOT_IMPULSE_DIVISOR));
ei.u.ActorImpulse.Pos = Vec2i2Net(actor->Pos);
GameEventsEnqueue(&gGameEvents, ei);
}
const bool canDamage =
CanDamageCharacter(flags, playerUID, uid, actor, special);
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_HIT);
e.u.ActorHit.UID = actor->uid;
e.u.ActorHit.PlayerUID = actor->PlayerUID;
e.u.ActorHit.HitterPlayerUID = playerUID;
e.u.ActorHit.Special = special;
e.u.ActorHit.Power = canDamage ? power : 0;
e.u.ActorHit.Vel = Vec2i2Net(hitVector);
GameEventsEnqueue(&gGameEvents, e);
if (canDamage)
{
// Don't score for friendly or player hits
const bool isFriendly =
(actor->flags & FLAGS_GOOD_GUY) ||
(!IsPVP(gCampaign.Entry.Mode) && actor->PlayerUID >= 0);
if (playerUID >= 0 && power != 0 && !isFriendly)
{
// Calculate score based on
// if they hit a penalty character
e = GameEventNew(GAME_EVENT_SCORE);
e.u.Score.PlayerUID = playerUID;
if (actor->flags & FLAGS_PENALTY)
{
e.u.Score.Score = PENALTY_MULTIPLIER * power;
}
else
{
e.u.Score.Score = power;
}
GameEventsEnqueue(&gGameEvents, e);
}
}
}
void GunAddBullets(
const GunDescription *g, const Vec2i fullPos, const int z,
const double radians,
const int flags, const int player, const int uid,
const bool playSound)
{
// Add bullets
if (g->Bullet)
{
// Find the starting angle of the spread (clockwise)
// Keep in mind the fencepost problem, i.e. spread of 3 means a
// total spread angle of 2x width
const double spreadStartAngle =
g->AngleOffset - (g->Spread.Count - 1) * g->Spread.Width / 2;
for (int i = 0; i < g->Spread.Count; i++)
{
const double recoil =
((double)rand() / RAND_MAX * g->Recoil) - g->Recoil / 2;
const double finalAngle =
radians + spreadStartAngle + i * g->Spread.Width + recoil;
GameEvent e = GameEventNew(GAME_EVENT_ADD_BULLET);
strcpy(e.u.AddBullet.BulletClass, g->Bullet->Name);
e.u.AddBullet.MuzzlePos = Vec2i2Net(fullPos);
e.u.AddBullet.MuzzleHeight = z;
e.u.AddBullet.Angle = (float)finalAngle;
e.u.AddBullet.Elevation = RAND_INT(g->ElevationLow, g->ElevationHigh);
e.u.AddBullet.Flags = flags;
e.u.AddBullet.PlayerIndex = player;
e.u.AddBullet.UID = uid;
GameEventsEnqueue(&gGameEvents, e);
}
}
// Add muzzle flash
if (GunHasMuzzle(g))
{
GameEvent e = GameEventNew(GAME_EVENT_ADD_PARTICLE);
e.u.AddParticle.Class = g->MuzzleFlash;
e.u.AddParticle.FullPos = fullPos;
e.u.AddParticle.Z = z;
e.u.AddParticle.Angle = radians;
GameEventsEnqueue(&gGameEvents, e);
}
// Sound
if (playSound && g->Sound)
{
SoundPlayAt(&gSoundDevice, g->Sound, Vec2iFull2Real(fullPos));
}
// Screen shake
if (g->ShakeAmount > 0)
{
GameEvent shake = GameEventNew(GAME_EVENT_SCREEN_SHAKE);
shake.u.ShakeAmount = g->ShakeAmount;
GameEventsEnqueue(&gGameEvents, shake);
}
}
void Damage(
const Vec2i hitVector,
const int power,
const int flags,
const int playerUID,
const int uid,
const TileItemKind targetKind, const int targetUID,
const special_damage_e special)
{
switch (targetKind)
{
case KIND_CHARACTER:
DoDamageCharacter(
hitVector,
power, flags, playerUID, uid,
ActorGetByUID(targetUID), special);
break;
case KIND_OBJECT:
{
GameEvent e = GameEventNew(GAME_EVENT_MAP_OBJECT_DAMAGE);
e.u.MapObjectDamage.UID = targetUID;
e.u.MapObjectDamage.Power = power;
e.u.MapObjectDamage.ActorUID = uid;
e.u.MapObjectDamage.PlayerUID = playerUID;
e.u.MapObjectDamage.Flags = flags;
GameEventsEnqueue(&gGameEvents, e);
}
break;
default:
CASSERT(false, "cannot damage tile item kind");
break;
}
}
void CreateEnemies(void)
{
if (gCampaign.Setting.characters.baddieIds.size == 0)
{
return;
}
for (int i = 0;
i < MAX(1, (gMission.missionData->EnemyDensity * ConfigGetInt(&gConfig, "Game.EnemyDensity")) / 100);
i++)
{
NActorAdd aa = NActorAdd_init_default;
aa.UID = ActorsGetNextUID();
aa.CharId = CharacterStoreGetRandomBaddieId(
&gCampaign.Setting.characters);
aa.FullPos = PlaceAwayFromPlayers(&gMap);
aa.Direction = rand() % DIRECTION_COUNT;
const Character *c =
CArrayGet(&gCampaign.Setting.characters.OtherChars, aa.CharId);
aa.Health = CharacterGetStartingHealth(c, true);
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
gBaddieCount++;
// Process the events that actually place the actors
HandleGameEvents(&gGameEvents, NULL, NULL, NULL);
}
}
void MissionSetMessageIfComplete(struct MissionOptions *options)
{
if (CanCompleteMission(options))
{
GameEvent msg;
msg.Type = GAME_EVENT_MISSION_COMPLETE;
GameEventsEnqueue(&gGameEvents, msg);
}
}
bool RunGame(const CampaignOptions *co, struct MissionOptions *m, Map *map)
{
// Clear the background
DrawRectangle(
&gGraphicsDevice, Vec2iZero(), gGraphicsDevice.cachedConfig.Res,
colorBlack, 0);
SDL_UpdateTexture(
gGraphicsDevice.bkg, NULL, gGraphicsDevice.buf,
gGraphicsDevice.cachedConfig.Res.x * sizeof(Uint32));
MapLoad(map, m, co);
// Seed random if PVP mode (otherwise players will always spawn in same
// position)
if (IsPVP(co->Entry.Mode))
{
srand((unsigned int)time(NULL));
}
if (!co->IsClient)
{
MapLoadDynamic(map, m, &co->Setting.characters);
// For PVP modes, mark all map as explored
if (IsPVP(co->Entry.Mode))
{
MapMarkAllAsVisited(map);
}
// Reset players for the mission
CA_FOREACH(const PlayerData, p, gPlayerDatas)
// Only reset for local players; for remote ones wait for the
// client ready message
if (!p->IsLocal) continue;
GameEvent e = GameEventNew(GAME_EVENT_PLAYER_DATA);
e.u.PlayerData = PlayerDataMissionReset(p);
GameEventsEnqueue(&gGameEvents, e);
CA_FOREACH_END()
// Process the events to force add the players
HandleGameEvents(&gGameEvents, NULL, NULL, NULL);
// Note: place players first,
// as bad guys are placed away from players
Vec2i firstPos = Vec2iZero();
CA_FOREACH(const PlayerData, p, gPlayerDatas)
if (!p->Ready) continue;
firstPos = PlacePlayer(&gMap, p, firstPos, true);
CA_FOREACH_END()
if (!IsPVP(co->Entry.Mode))
{
InitializeBadGuys();
CreateEnemies();
}
}
bool NumPlayersSelection(GraphicsDevice *graphics, EventHandlers *handlers)
{
MenuSystem ms;
MenuSystemInit(
&ms, handlers, graphics,
Vec2iZero(),
graphics->cachedConfig.Res);
ms.allowAborts = true;
ms.root = ms.current = MenuCreateNormal(
"",
"Select number of players",
MENU_TYPE_NORMAL,
0);
MenuAddSubmenu(ms.current, MenuCreateReturn("(No local players)", 0));
for (int i = 0; i < MAX_LOCAL_PLAYERS; i++)
{
char buf[2];
sprintf(buf, "%d", i + 1);
MenuAddSubmenu(ms.current, MenuCreateReturn(buf, i + 1));
}
MenuAddExitType(&ms, MENU_TYPE_RETURN);
// Select 1 player default
ms.current->u.normal.index = 1;
MenuLoop(&ms);
const bool ok = !ms.hasAbort;
if (ok)
{
const int numPlayers = ms.current->u.returnCode;
CA_FOREACH(const PlayerData, p, gPlayerDatas)
CASSERT(!p->IsLocal, "unexpected local player");
CA_FOREACH_END()
// Add the players
for (int i = 0; i < numPlayers; i++)
{
GameEvent e = GameEventNew(GAME_EVENT_PLAYER_DATA);
e.u.PlayerData = PlayerDataDefault(i);
e.u.PlayerData.UID = gNetClient.FirstPlayerUID + i;
GameEventsEnqueue(&gGameEvents, e);
}
// Process the events to force add the players
HandleGameEvents(&gGameEvents, NULL, NULL, NULL);
// This also causes the client to send player data to the server
}
MenuSystemTerminate(&ms);
return ok;
}
void EmitterStart(
Emitter *em, const Vec2i fullPos, const int z, const Vec2i vel)
{
const Vec2i p = Vec2iAdd(fullPos, Vec2iReal2Full(em->offset));
// TODO: single event multiple particles
GameEvent e = GameEventNew(GAME_EVENT_ADD_PARTICLE);
e.u.AddParticle.FullPos = p;
e.u.AddParticle.Z = z * Z_FACTOR;
e.u.AddParticle.Class = em->p;
const int speed = RAND_INT(em->minSpeed, em->maxSpeed);
const Vec2i baseVel = Vec2iFromPolar(speed, RAND_DOUBLE(0, PI * 2));
e.u.AddParticle.Vel = Vec2iAdd(vel, baseVel);
e.u.AddParticle.Angle = RAND_DOUBLE(0, PI * 2);
e.u.AddParticle.DZ = RAND_INT(em->minDZ, em->maxDZ);
e.u.AddParticle.Spin = RAND_DOUBLE(em->minRotation, em->maxRotation);
GameEventsEnqueue(&gGameEvents, e);
}
bool DamageSomething(
const Vec2i hitVector,
const int power,
const int flags,
const int player,
const int uid,
TTileItem *target,
const special_damage_e special,
const HitSounds *hitSounds,
const bool allowFriendlyHitSound)
{
if (!target)
{
return 0;
}
const Vec2i pos = Vec2iNew(target->x, target->y);
switch (target->kind)
{
case KIND_CHARACTER:
return DoDamageCharacter(
pos, hitVector,
power, flags, player, uid,
target, special, hitSounds, allowFriendlyHitSound);
case KIND_OBJECT:
DamageObject(power, flags, player, uid, target);
if (gConfig.Sound.Hits && hitSounds != NULL && power > 0)
{
GameEvent es;
es.Type = GAME_EVENT_SOUND_AT;
es.u.SoundAt.Sound = hitSounds->Object;
es.u.SoundAt.Pos = pos;
GameEventsEnqueue(&gGameEvents, es);
}
break;
case KIND_PARTICLE:
case KIND_MOBILEOBJECT:
break;
}
return 1;
}
Vec2i PlacePlayer(
Map *map, const PlayerData *p, const Vec2i firstPos, const bool pumpEvents)
{
NetMsgActorAdd aa = NetMsgActorAdd_init_default;
aa.Id = ActorsGetFreeIndex();
aa.Health = p->Char.maxHealth;
aa.PlayerId = p->playerIndex;
if (IsPVP(gCampaign.Entry.Mode))
{
// In a PVP mode, always place players apart
aa.FullPos = PlaceActor(&gMap);
}
else if (gMission.missionData->Type == MAPTYPE_STATIC &&
!Vec2iIsZero(gMission.missionData->u.Static.Start))
{
// place players near the start point
Vec2i startPoint = Vec2iReal2Full(Vec2iCenterOfTile(
gMission.missionData->u.Static.Start));
aa.FullPos = PlaceActorNear(map, startPoint, true);
}
else if (gConfig.Interface.Splitscreen == SPLITSCREEN_NEVER &&
!Vec2iIsZero(firstPos))
{
// If never split screen, try to place players near the first player
aa.FullPos = PlaceActorNear(map, firstPos, true);
}
else
{
aa.FullPos = PlaceActor(map);
}
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
if (pumpEvents)
{
// Process the events that actually place the players
HandleGameEvents(&gGameEvents, NULL, NULL, NULL, &gEventHandlers);
}
return Vec2iNew(aa.FullPos.x, aa.FullPos.y);
}
void UpdateObjects(const int ticks)
{
for (int i = 0; i < (int)gObjs.size; i++)
{
TObject *obj = CArrayGet(&gObjs, i);
if (!obj->isInUse)
{
continue;
}
switch (obj->Class->Type)
{
case MAP_OBJECT_TYPE_PICKUP_SPAWNER:
if (gCampaign.IsClient) break;
// If counter -1, it is inactive i.e. already spawned pickup
if (obj->counter == -1)
{
break;
}
obj->counter -= ticks;
if (obj->counter <= 0)
{
// Deactivate spawner by setting counter to -1
// Spawner reactivated only when ammo taken
obj->counter = -1;
GameEvent e = GameEventNew(GAME_EVENT_ADD_PICKUP);
e.u.AddPickup.UID = PickupsGetNextUID();
strcpy(
e.u.AddPickup.PickupClass,
obj->Class->u.PickupClass->Name);
e.u.AddPickup.IsRandomSpawned = false;
e.u.AddPickup.SpawnerUID = obj->uid;
e.u.AddPickup.TileItemFlags = 0;
e.u.AddPickup.Pos =
Vec2i2Net(Vec2iNew(obj->tileItem.x, obj->tileItem.y));
GameEventsEnqueue(&gGameEvents, e);
}
break;
default:
// Do nothing
break;
}
}
}
static void AddPickupAtObject(const TObject *o, const PickupType type)
{
GameEvent e = GameEventNew(GAME_EVENT_ADD_PICKUP);
switch (type)
{
case PICKUP_JEWEL: CASSERT(false, "unexpected pickup type"); break;
case PICKUP_HEALTH:
if (!ConfigGetBool(&gConfig, "Game.HealthPickups"))
{
return;
}
strcpy(e.u.AddPickup.PickupClass, "health");
break;
case PICKUP_AMMO:
if (!ConfigGetBool(&gConfig, "Game.Ammo"))
{
return;
}
// Pick a random ammo type and spawn it
{
const int ammoId = rand() % AmmoGetNumClasses(&gAmmo);
const Ammo *a = AmmoGetById(&gAmmo, ammoId);
sprintf(e.u.AddPickup.PickupClass, "ammo_%s", a->Name);
}
break;
case PICKUP_KEYCARD: CASSERT(false, "unexpected pickup type"); break;
case PICKUP_GUN:
// Pick a random mission gun type and spawn it
{
const int gunId = (int)(rand() % gMission.Weapons.size);
const WeaponClass **wc = CArrayGet(&gMission.Weapons, gunId);
sprintf(e.u.AddPickup.PickupClass, "gun_%s", (*wc)->name);
}
break;
default: CASSERT(false, "unexpected pickup type"); break;
}
e.u.AddPickup.UID = PickupsGetNextUID();
e.u.AddPickup.Pos = Vec2ToNet(o->thing.Pos);
e.u.AddPickup.IsRandomSpawned = true;
e.u.AddPickup.SpawnerUID = -1;
e.u.AddPickup.ThingFlags = 0;
GameEventsEnqueue(&gGameEvents, e);
}
void UpdateMobileObjects(int ticks)
{
for (int i = 0; i < (int)gMobObjs.size; i++)
{
TMobileObject *obj = CArrayGet(&gMobObjs, i);
if (!obj->isInUse)
{
continue;
}
if (!obj->updateFunc(obj, ticks) && !gCampaign.IsClient)
{
GameEvent e = GameEventNew(GAME_EVENT_REMOVE_BULLET);
e.u.RemoveBullet.UID = obj->UID;
GameEventsEnqueue(&gGameEvents, e);
continue;
}
CPicUpdate(&obj->tileItem.CPic, ticks);
}
}
void DamageObject(const NThingDamage d)
{
TObject *o = ObjGetByUID(d.UID);
// Don't bother if object already destroyed
if (o->Health <= 0)
{
return;
}
o->Health -= d.Power;
// Destroying objects and all the wonderful things that happen
if (o->Health <= 0 && !gCampaign.IsClient)
{
GameEvent e = GameEventNew(GAME_EVENT_MAP_OBJECT_REMOVE);
e.u.MapObjectRemove.UID = o->uid;
e.u.MapObjectRemove.ActorUID = d.SourceActorUID;
e.u.MapObjectRemove.Flags = d.Flags;
GameEventsEnqueue(&gGameEvents, e);
}
}
void ObjRemove(const NMapObjectRemove mor)
{
TObject *o = ObjGetByUID(mor.UID);
o->Health = 0;
if (!gCampaign.IsClient)
{
// Update objective
UpdateMissionObjective(
&gMission, o->thing.flags, OBJECTIVE_DESTROY, 1);
const TActor *a = ActorGetByUID(mor.ActorUID);
const int playerUID = a != NULL ? a->PlayerUID : -1;
// Extra score if objective
if ((o->thing.flags & THING_OBJECTIVE) && playerUID >= 0)
{
GameEvent e = GameEventNew(GAME_EVENT_SCORE);
e.u.Score.PlayerUID = playerUID;
e.u.Score.Score = OBJECT_SCORE;
GameEventsEnqueue(&gGameEvents, e);
}
// Weapons that go off when this object is destroyed
CA_FOREACH(const WeaponClass *, wc, o->Class->DestroyGuns)
WeaponClassFire(
*wc, o->thing.Pos, 0, 0, mor.Flags, mor.ActorUID,
true, false);
CA_FOREACH_END()
// Random chance to add pickups in single player modes
if (!IsPVP(gCampaign.Entry.Mode))
{
CA_FOREACH(
const MapObjectDestroySpawn, mods, o->Class->DestroySpawn)
const double chance = (double) rand() / RAND_MAX;
if (chance < mods->SpawnChance)
{
AddPickupAtObject(o, mods->Type);
}
CA_FOREACH_END()
}
void UpdateMissionObjective(
struct MissionOptions *options, int flags, ObjectiveType type,
int player, Vec2i pos)
{
if (!(flags & TILEITEM_OBJECTIVE))
{
return;
}
int idx = ObjectiveFromTileItem(flags);
MissionObjective *mobj = CArrayGet(&options->missionData->Objectives, idx);
if (mobj->Type != type)
{
return;
}
GameEvent e;
e.Type = GAME_EVENT_UPDATE_OBJECTIVE;
e.u.UpdateObjective.ObjectiveIndex = idx;
e.u.UpdateObjective.Update = 1;
e.u.UpdateObjective.PlayerIndex = player;
e.u.UpdateObjective.Pos = pos;
GameEventsEnqueue(&gGameEvents, e);
}
void UpdateMobileObjects(int ticks)
{
for (int i = 0; i < (int)gMobObjs.size; i++)
{
TMobileObject *obj = CArrayGet(&gMobObjs, i);
if (!obj->isInUse)
{
continue;
}
if ((*(obj->updateFunc))(obj, ticks) == 0)
{
GameEvent e;
e.Type = GAME_EVENT_MOBILE_OBJECT_REMOVE;
e.u.MobileObjectRemoveId = i;
GameEventsEnqueue(&gGameEvents, e);
}
else
{
CPicUpdate(&obj->tileItem.CPic, ticks);
}
}
}
static void PlayerSpecialCommands(TActor *actor, const int cmd)
{
if ((cmd & CMD_BUTTON2) && CMD_HAS_DIRECTION(cmd))
{
if (ConfigGetEnum(&gConfig, "Game.SwitchMoveStyle") == SWITCHMOVE_SLIDE)
{
SlideActor(actor, cmd);
}
}
else if (
(actor->lastCmd & CMD_BUTTON2) &&
!(cmd & CMD_BUTTON2) &&
!actor->specialCmdDir &&
!actor->CanPickupSpecial &&
!(ConfigGetEnum(&gConfig, "Game.SwitchMoveStyle") == SWITCHMOVE_SLIDE && CMD_HAS_DIRECTION(cmd)) &&
ActorCanSwitchGun(actor))
{
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_SWITCH_GUN);
e.u.ActorSwitchGun.UID = actor->uid;
e.u.ActorSwitchGun.GunIdx = (actor->gunIndex + 1) % actor->guns.size;
GameEventsEnqueue(&gGameEvents, e);
}
}
static void AddBrass(
const GunDescription *g, const direction_e d, const Vec2i pos)
{
CASSERT(g->Brass, "Cannot create brass for no-brass weapon");
GameEvent e = GameEventNew(GAME_EVENT_ADD_PARTICLE);
e.u.AddParticle.Class = g->Brass;
double x, y;
const double radians = dir2radians[d];
GetVectorsForRadians(radians, &x, &y);
const Vec2i ejectionPortOffset = Vec2iReal2Full(Vec2iScale(Vec2iNew(
(int)round(x), (int)round(y)), 7));
const Vec2i muzzleOffset = GunGetMuzzleOffset(g, d);
const Vec2i muzzlePosition = Vec2iAdd(pos, muzzleOffset);
e.u.AddParticle.FullPos = Vec2iMinus(muzzlePosition, ejectionPortOffset);
e.u.AddParticle.Z = g->MuzzleHeight;
e.u.AddParticle.Vel = Vec2iScaleDiv(
GetFullVectorsForRadians(radians + PI / 2), 3);
e.u.AddParticle.Vel.x += (rand() % 128) - 64;
e.u.AddParticle.Vel.y += (rand() % 128) - 64;
e.u.AddParticle.Angle = RAND_DOUBLE(0, PI * 2);
e.u.AddParticle.DZ = (rand() % 6) + 6;
e.u.AddParticle.Spin = RAND_DOUBLE(-0.1, 0.1);
GameEventsEnqueue(&gGameEvents, e);
}
static void OnReceive(NetClient *n, ENetEvent event)
{
const NetMsg msgType = (NetMsg)*(uint32_t *)event.packet->data;
LOG(LM_NET, LL_TRACE, "recv msg(%u)", msgType);
const NetMsgEntry nme = NetMsgGet(msgType);
if (nme.Event != GAME_EVENT_NONE)
{
// Game event message; decode and add to event queue
LOG(LM_NET, LL_DEBUG, "recv gameEvent(%d)", (int)nme.Event);
GameEvent e = GameEventNew(nme.Event);
if (nme.Fields != NULL)
{
NetDecode(event.packet, &e.u, nme.Fields);
}
// For actor events, check if UID is not for local player
int actorUID = -1;
bool actorIsLocal = false;
switch (nme.Event)
{
case GAME_EVENT_ACTOR_ADD:
// Note: ignore checking this event
break;
case GAME_EVENT_ACTOR_MOVE: actorUID = e.u.ActorMove.UID; break;
case GAME_EVENT_ACTOR_STATE: actorUID = e.u.ActorState.UID; break;
case GAME_EVENT_ACTOR_DIR: actorUID = e.u.ActorDir.UID; break;
case GAME_EVENT_ADD_BULLET:
actorIsLocal = PlayerIsLocal(e.u.AddBullet.PlayerIndex);
break;
default: break;
}
if (actorUID >= 0)
{
actorIsLocal = ActorIsLocalPlayer(actorUID);
}
if (actorIsLocal)
{
LOG(LM_NET, LL_TRACE, "game event is for local player, ignoring");
}
else
{
GameEventsEnqueue(&gGameEvents, e);
}
}
else
{
switch (msgType)
{
case MSG_CLIENT_ID:
{
CASSERT(
n->ClientId == -1,
"unexpected client ID message, already set");
NetMsgClientId cid;
NetDecode(event.packet, &cid, NetMsgClientId_fields);
LOG(LM_NET, LL_DEBUG, "NetClient: received client ID %d", cid.Id);
n->ClientId = cid.Id;
}
break;
case MSG_CAMPAIGN_DEF:
if (gCampaign.IsLoaded)
{
LOG(LM_NET, LL_INFO, "WARNING: unexpected campaign def msg received");
}
else
{
LOG(LM_NET, LL_DEBUG, "NetClient: received campaign def, loading...");
NetMsgCampaignDef def;
NetDecode(event.packet, &def, NetMsgCampaignDef_fields);
char campaignPath[CDOGS_PATH_MAX];
GameMode mode;
NetMsgCampaignDefConvert(&def, campaignPath, &mode);
CampaignEntry entry;
if (CampaignEntryTryLoad(&entry, campaignPath, mode) &&
CampaignLoad(&gCampaign, &entry))
{
gCampaign.IsClient = true;
}
else
{
printf("Error: failed to load campaign def\n");
gCampaign.IsError = true;
}
}
break;
case MSG_PLAYER_DATA:
{
NetMsgPlayerData pd;
NetDecode(event.packet, &pd, NetMsgPlayerData_fields);
AddMissingPlayers(pd.PlayerIndex);
LOG(LM_NET, LL_DEBUG, "recv player data name(%s) id(%d) total(%d)",
pd.Name, pd.PlayerIndex, (int)gPlayerDatas.size);
NetMsgPlayerDataUpdate(&pd);
}
break;
case MSG_ADD_PLAYERS:
{
NetMsgAddPlayers ap;
NetDecode(event.packet, &ap, NetMsgAddPlayers_fields);
LOG(LM_NET, LL_DEBUG,
"NetClient: received new players %d",
(int)ap.PlayerIds_count);
// Add new players
// If they are local players, set them up with defaults
const bool isLocal = ap.ClientId == n->ClientId;
for (int i = 0; i < ap.PlayerIds_count; i++)
{
const int playerId = (int)ap.PlayerIds[i];
AddMissingPlayers(playerId);
PlayerData *p = CArrayGet(&gPlayerDatas, playerId);
p->IsLocal = isLocal;
if (isLocal)
{
PlayerDataSetLocalDefaults(p, i);
}
}
}
break;
case MSG_GAME_START:
LOG(LM_NET, LL_DEBUG, "NetClient: received game start");
gMission.HasStarted = true;
break;
case MSG_GAME_END:
LOG(LM_NET, LL_DEBUG, "NetClient: received game end");
gMission.isDone = true;
break;
default:
CASSERT(false, "unexpected message type");
break;
}
}
enet_packet_destroy(event.packet);
}
static void DamageObject(
const int power, const int flags, const int player, const int uid,
TTileItem *target)
{
TObject *object = CArrayGet(&gObjs, target->id);
// Don't bother if object already destroyed
if (object->structure <= 0)
{
return;
}
object->structure -= power;
const Vec2i pos = Vec2iNew(target->x, target->y);
// Destroying objects and all the wonderful things that happen
if (object->structure <= 0)
{
object->structure = 0;
UpdateMissionObjective(
&gMission, object->tileItem.flags, OBJECTIVE_DESTROY,
player, pos);
if (object->flags & OBJFLAG_QUAKE)
{
GameEvent shake;
shake.Type = GAME_EVENT_SCREEN_SHAKE;
shake.u.ShakeAmount = SHAKE_BIG_AMOUNT;
GameEventsEnqueue(&gGameEvents, shake);
}
const Vec2i fullPos = Vec2iReal2Full(
Vec2iNew(object->tileItem.x, object->tileItem.y));
if (object->flags & OBJFLAG_EXPLOSIVE)
{
GunAddBullets(
StrGunDescription("explosion1"), fullPos, 0, 0,
flags, player, uid, true);
GunAddBullets(
StrGunDescription("explosion2"), fullPos, 0, 0,
flags, player, uid, true);
GunAddBullets(
StrGunDescription("explosion3"), fullPos, 0, 0,
flags, player, uid, true);
}
else if (object->flags & OBJFLAG_FLAMMABLE)
{
GunAddBullets(
StrGunDescription("fire_explosion"), fullPos, 0, 0,
flags, player, uid, true);
}
else if (object->flags & OBJFLAG_POISONOUS)
{
GunAddBullets(
StrGunDescription("gas_poison_explosion"), fullPos, 0, 0,
flags, player, uid, true);
}
else if (object->flags & OBJFLAG_CONFUSING)
{
GunAddBullets(
StrGunDescription("gas_confuse_explosion"), fullPos, 0, 0,
flags, player, uid, true);
}
else
{
// A wreck left after the destruction of this object
GameEvent e;
memset(&e, 0, sizeof e);
e.Type = GAME_EVENT_ADD_BULLET;
e.u.AddBullet.BulletClass = StrBulletClass("fireball_wreck");
e.u.AddBullet.MuzzlePos = fullPos;
e.u.AddBullet.MuzzleHeight = 0;
e.u.AddBullet.Angle = 0;
e.u.AddBullet.Elevation = 0;
e.u.AddBullet.Flags = 0;
e.u.AddBullet.PlayerIndex = -1;
e.u.AddBullet.UID = -1;
GameEventsEnqueue(&gGameEvents, e);
SoundPlayAt(
&gSoundDevice,
gSoundDevice.wreckSound,
Vec2iNew(object->tileItem.x, object->tileItem.y));
}
if (object->wreckedPic)
{
object->tileItem.flags = TILEITEM_IS_WRECK;
object->pic = object->wreckedPic;
object->picName = "";
}
else
{
ObjDestroy(object->tileItem.id);
}
}
}
static void HandleGameEvent(
const GameEvent e,
Camera *camera,
PowerupSpawner *healthSpawner,
CArray *ammoSpawners)
{
switch (e.Type)
{
case GAME_EVENT_PLAYER_DATA:
PlayerDataAddOrUpdate(e.u.PlayerData);
break;
case GAME_EVENT_TILE_SET:
{
Tile *t = MapGetTile(&gMap, Net2Vec2i(e.u.TileSet.Pos));
t->flags = e.u.TileSet.Flags;
t->pic = PicManagerGetNamedPic(
&gPicManager, e.u.TileSet.PicName);
t->picAlt = PicManagerGetNamedPic(
&gPicManager, e.u.TileSet.PicAltName);
}
break;
case GAME_EVENT_MAP_OBJECT_ADD:
ObjAdd(e.u.MapObjectAdd);
break;
case GAME_EVENT_MAP_OBJECT_DAMAGE:
DamageObject(e.u.MapObjectDamage);
break;
case GAME_EVENT_SCORE:
{
PlayerData *p = PlayerDataGetByUID(e.u.Score.PlayerUID);
PlayerScore(p, e.u.Score.Score);
HUDAddUpdate(
&camera->HUD,
NUMBER_UPDATE_SCORE, e.u.Score.PlayerUID, e.u.Score.Score);
}
break;
case GAME_EVENT_SOUND_AT:
if (!e.u.SoundAt.IsHit || ConfigGetBool(&gConfig, "Sound.Hits"))
{
SoundPlayAt(
&gSoundDevice,
StrSound(e.u.SoundAt.Sound), Net2Vec2i(e.u.SoundAt.Pos));
}
break;
case GAME_EVENT_SCREEN_SHAKE:
camera->shake = ScreenShakeAdd(
camera->shake, e.u.ShakeAmount,
ConfigGetInt(&gConfig, "Graphics.ShakeMultiplier"));
break;
case GAME_EVENT_SET_MESSAGE:
HUDDisplayMessage(
&camera->HUD, e.u.SetMessage.Message, e.u.SetMessage.Ticks);
break;
case GAME_EVENT_GAME_START:
gMission.HasStarted = true;
break;
case GAME_EVENT_ACTOR_ADD:
ActorAdd(e.u.ActorAdd);
break;
case GAME_EVENT_ACTOR_MOVE:
ActorMove(e.u.ActorMove);
break;
case GAME_EVENT_ACTOR_STATE:
{
TActor *a = ActorGetByUID(e.u.ActorState.UID);
if (!a->isInUse) break;
ActorSetState(a, (ActorAnimation)e.u.ActorState.State);
}
break;
case GAME_EVENT_ACTOR_DIR:
{
TActor *a = ActorGetByUID(e.u.ActorDir.UID);
if (!a->isInUse) break;
a->direction = (direction_e)e.u.ActorDir.Dir;
}
break;
case GAME_EVENT_ACTOR_SLIDE:
{
TActor *a = ActorGetByUID(e.u.ActorSlide.UID);
if (!a->isInUse) break;
a->Vel = Net2Vec2i(e.u.ActorSlide.Vel);
// Slide sound
if (ConfigGetBool(&gConfig, "Sound.Footsteps"))
{
SoundPlayAt(
&gSoundDevice,
gSoundDevice.slideSound,
Vec2iNew(a->tileItem.x, a->tileItem.y));
}
}
break;
case GAME_EVENT_ACTOR_IMPULSE:
{
TActor *a = ActorGetByUID(e.u.ActorImpulse.UID);
if (!a->isInUse) break;
a->Vel = Vec2iAdd(a->Vel, Net2Vec2i(e.u.ActorImpulse.Vel));
const Vec2i pos = Net2Vec2i(e.u.ActorImpulse.Pos);
if (!Vec2iIsZero(pos))
{
a->Pos = pos;
}
}
break;
case GAME_EVENT_ACTOR_SWITCH_GUN:
ActorSwitchGun(e.u.ActorSwitchGun);
break;
case GAME_EVENT_ACTOR_PICKUP_ALL:
{
TActor *a = ActorGetByUID(e.u.ActorPickupAll.UID);
if (!a->isInUse) break;
a->PickupAll = e.u.ActorPickupAll.PickupAll;
}
break;
case GAME_EVENT_ACTOR_REPLACE_GUN:
ActorReplaceGun(e.u.ActorReplaceGun);
break;
case GAME_EVENT_ACTOR_HEAL:
{
TActor *a = ActorGetByUID(e.u.Heal.UID);
if (!a->isInUse || a->dead) break;
ActorHeal(a, e.u.Heal.Amount);
// Sound of healing
SoundPlayAt(
&gSoundDevice,
gSoundDevice.healthSound, Vec2iFull2Real(a->Pos));
// Tell the spawner that we took a health so we can
// spawn more (but only if we're the server)
if (e.u.Heal.IsRandomSpawned && !gCampaign.IsClient)
{
PowerupSpawnerRemoveOne(healthSpawner);
}
if (e.u.Heal.PlayerUID >= 0)
{
HUDAddUpdate(
&camera->HUD, NUMBER_UPDATE_HEALTH,
e.u.Heal.PlayerUID, e.u.Heal.Amount);
}
}
break;
case GAME_EVENT_ACTOR_ADD_AMMO:
{
TActor *a = ActorGetByUID(e.u.AddAmmo.UID);
if (!a->isInUse || a->dead) break;
ActorAddAmmo(a, e.u.AddAmmo.AmmoId, e.u.AddAmmo.Amount);
// Tell the spawner that we took ammo so we can
// spawn more (but only if we're the server)
if (e.u.AddAmmo.IsRandomSpawned && !gCampaign.IsClient)
{
PowerupSpawnerRemoveOne(
CArrayGet(ammoSpawners, e.u.AddAmmo.AmmoId));
}
if (e.u.AddAmmo.PlayerUID >= 0)
{
HUDAddUpdate(
&camera->HUD, NUMBER_UPDATE_AMMO,
e.u.AddAmmo.PlayerUID, e.u.AddAmmo.Amount);
}
}
break;
case GAME_EVENT_ACTOR_USE_AMMO:
{
TActor *a = ActorGetByUID(e.u.UseAmmo.UID);
if (!a->isInUse || a->dead) break;
ActorAddAmmo(a, e.u.UseAmmo.AmmoId, -(int)e.u.UseAmmo.Amount);
if (e.u.UseAmmo.PlayerUID >= 0)
{
HUDAddUpdate(
&camera->HUD, NUMBER_UPDATE_AMMO,
e.u.UseAmmo.PlayerUID, -(int)e.u.UseAmmo.Amount);
}
}
break;
case GAME_EVENT_ACTOR_DIE:
{
TActor *a = ActorGetByUID(e.u.ActorDie.UID);
// Check if the player has lives to revive
PlayerData *p = PlayerDataGetByUID(a->PlayerUID);
if (p != NULL)
{
p->Lives--;
CASSERT(p->Lives >= 0, "Player has died too many times");
if (p->Lives > 0 && !gCampaign.IsClient)
{
// Find the closest player alive; try to spawn next to that position
// if no other suitable position exists
Vec2i defaultSpawnPosition = Vec2iZero();
const TActor *closestActor = AIGetClosestPlayer(a->Pos);
if (closestActor != NULL) defaultSpawnPosition = closestActor->Pos;
PlacePlayer(&gMap, p, defaultSpawnPosition, false);
}
}
ActorDestroy(a);
}
break;
case GAME_EVENT_ACTOR_MELEE:
{
const TActor *a = ActorGetByUID(e.u.Melee.UID);
if (!a->isInUse) break;
const BulletClass *b = StrBulletClass(e.u.Melee.BulletClass);
if ((HitType)e.u.Melee.HitType != HIT_NONE &&
HasHitSound(b->Power, a->flags, a->PlayerUID,
(TileItemKind)e.u.Melee.TargetKind, e.u.Melee.TargetUID,
SPECIAL_NONE, false))
{
PlayHitSound(
&b->HitSound, (HitType)e.u.Melee.HitType,
Vec2iFull2Real(a->Pos));
}
if (!gCampaign.IsClient)
{
Damage(
Vec2iZero(),
b->Power,
a->flags, a->PlayerUID, a->uid,
(TileItemKind)e.u.Melee.TargetKind, e.u.Melee.TargetUID,
SPECIAL_NONE);
}
}
break;
case GAME_EVENT_ADD_PICKUP:
PickupAdd(e.u.AddPickup);
// Play a spawn sound
SoundPlayAt(
&gSoundDevice,
StrSound("spawn_item"), Net2Vec2i(e.u.AddPickup.Pos));
break;
case GAME_EVENT_REMOVE_PICKUP:
PickupDestroy(e.u.RemovePickup.UID);
if (e.u.RemovePickup.SpawnerUID >= 0)
{
TObject *o = ObjGetByUID(e.u.RemovePickup.SpawnerUID);
o->counter = AMMO_SPAWNER_RESPAWN_TICKS;
}
break;
case GAME_EVENT_BULLET_BOUNCE:
{
TMobileObject *o = MobObjGetByUID(e.u.BulletBounce.UID);
if (o == NULL || !o->isInUse) break;
const Vec2i pos = Net2Vec2i(e.u.BulletBounce.BouncePos);
PlayHitSound(
&o->bulletClass->HitSound, (HitType)e.u.BulletBounce.HitType,
Vec2iFull2Real(pos));
if (e.u.BulletBounce.Spark && o->bulletClass->Spark != NULL)
{
GameEvent s = GameEventNew(GAME_EVENT_ADD_PARTICLE);
s.u.AddParticle.Class = o->bulletClass->Spark;
s.u.AddParticle.FullPos = pos;
s.u.AddParticle.Z = o->z;
GameEventsEnqueue(&gGameEvents, s);
}
o->x = pos.x;
o->y = pos.y;
o->vel = Net2Vec2i(e.u.BulletBounce.BounceVel);
}
break;
case GAME_EVENT_REMOVE_BULLET:
{
TMobileObject *o = MobObjGetByUID(e.u.RemoveBullet.UID);
if (o == NULL || !o->isInUse) break;
MobObjDestroy(o);
}
break;
case GAME_EVENT_PARTICLE_REMOVE:
ParticleDestroy(&gParticles, e.u.ParticleRemoveId);
break;
case GAME_EVENT_GUN_FIRE:
{
const GunDescription *g = StrGunDescription(e.u.GunFire.Gun);
const Vec2i fullPos = Net2Vec2i(e.u.GunFire.MuzzleFullPos);
// Add bullets
if (g->Bullet && !gCampaign.IsClient)
{
// Find the starting angle of the spread (clockwise)
// Keep in mind the fencepost problem, i.e. spread of 3 means a
// total spread angle of 2x width
const double spreadStartAngle =
g->AngleOffset -
(g->Spread.Count - 1) * g->Spread.Width / 2;
for (int i = 0; i < g->Spread.Count; i++)
{
const double recoil =
((double)rand() / RAND_MAX * g->Recoil) -
g->Recoil / 2;
const double finalAngle =
e.u.GunFire.Angle + spreadStartAngle +
i * g->Spread.Width + recoil;
GameEvent ab = GameEventNew(GAME_EVENT_ADD_BULLET);
ab.u.AddBullet.UID = MobObjsObjsGetNextUID();
strcpy(ab.u.AddBullet.BulletClass, g->Bullet->Name);
ab.u.AddBullet.MuzzlePos = Vec2i2Net(fullPos);
ab.u.AddBullet.MuzzleHeight = e.u.GunFire.Z;
ab.u.AddBullet.Angle = (float)finalAngle;
ab.u.AddBullet.Elevation =
RAND_INT(g->ElevationLow, g->ElevationHigh);
ab.u.AddBullet.Flags = e.u.GunFire.Flags;
ab.u.AddBullet.PlayerUID = e.u.GunFire.PlayerUID;
ab.u.AddBullet.ActorUID = e.u.GunFire.UID;
GameEventsEnqueue(&gGameEvents, ab);
}
}
// Add muzzle flash
if (GunHasMuzzle(g))
{
GameEvent ap = GameEventNew(GAME_EVENT_ADD_PARTICLE);
ap.u.AddParticle.Class = g->MuzzleFlash;
ap.u.AddParticle.FullPos = fullPos;
ap.u.AddParticle.Z = e.u.GunFire.Z;
ap.u.AddParticle.Angle = e.u.GunFire.Angle;
GameEventsEnqueue(&gGameEvents, ap);
}
// Sound
if (e.u.GunFire.Sound && g->Sound)
{
SoundPlayAt(&gSoundDevice, g->Sound, Vec2iFull2Real(fullPos));
}
// Screen shake
if (g->ShakeAmount > 0)
{
GameEvent s = GameEventNew(GAME_EVENT_SCREEN_SHAKE);
s.u.ShakeAmount = g->ShakeAmount;
GameEventsEnqueue(&gGameEvents, s);
}
// Brass shells
// If we have a reload lead, defer the creation of shells until then
if (g->Brass && g->ReloadLead == 0)
{
const direction_e d = RadiansToDirection(e.u.GunFire.Angle);
const Vec2i muzzleOffset = GunGetMuzzleOffset(g, d);
GunAddBrass(g, d, Vec2iMinus(fullPos, muzzleOffset));
}
}
break;
case GAME_EVENT_GUN_RELOAD:
{
const GunDescription *g = StrGunDescription(e.u.GunReload.Gun);
const Vec2i fullPos = Net2Vec2i(e.u.GunReload.FullPos);
SoundPlayAtPlusDistance(
&gSoundDevice,
g->ReloadSound,
Vec2iFull2Real(fullPos),
RELOAD_DISTANCE_PLUS);
// Brass shells
if (g->Brass)
{
GunAddBrass(g, (direction_e)e.u.GunReload.Direction, fullPos);
}
}
break;
case GAME_EVENT_GUN_STATE:
{
const TActor *a = ActorGetByUID(e.u.GunState.ActorUID);
if (!a->isInUse) break;
WeaponSetState(ActorGetGun(a), (gunstate_e)e.u.GunState.State);
}
break;
case GAME_EVENT_ADD_BULLET:
BulletAdd(e.u.AddBullet);
break;
case GAME_EVENT_ADD_PARTICLE:
ParticleAdd(&gParticles, e.u.AddParticle);
break;
case GAME_EVENT_ACTOR_HIT:
{
TActor *a = ActorGetByUID(e.u.ActorHit.UID);
if (!a->isInUse) break;
ActorTakeHit(a, e.u.ActorHit.Special);
if (e.u.ActorHit.Power > 0)
{
DamageActor(
a, e.u.ActorHit.Power, e.u.ActorHit.HitterPlayerUID);
if (e.u.ActorHit.PlayerUID >= 0)
{
HUDAddUpdate(
&camera->HUD, NUMBER_UPDATE_HEALTH,
e.u.ActorHit.PlayerUID, -e.u.ActorHit.Power);
}
AddBloodSplatter(
a->Pos, e.u.ActorHit.Power,
Net2Vec2i(e.u.ActorHit.Vel));
}
}
break;
case GAME_EVENT_TRIGGER:
{
const Tile *t =
MapGetTile(&gMap, Net2Vec2i(e.u.TriggerEvent.Tile));
CA_FOREACH(Trigger *, tp, t->triggers)
if ((*tp)->id == (int)e.u.TriggerEvent.ID)
{
TriggerActivate(*tp, &gMap.triggers);
break;
}
CA_FOREACH_END()
}
break;
case GAME_EVENT_EXPLORE_TILES:
// Process runs of explored tiles
for (int i = 0; i < (int)e.u.ExploreTiles.Runs_count; i++)
{
Vec2i tile = Net2Vec2i(e.u.ExploreTiles.Runs[i].Tile);
for (int j = 0; j < e.u.ExploreTiles.Runs[i].Run; j++)
{
MapMarkAsVisited(&gMap, tile);
tile.x++;
if (tile.x == gMap.Size.x)
{
tile.x = 0;
tile.y++;
}
}
}
break;
case GAME_EVENT_RESCUE_CHARACTER:
{
TActor *a = ActorGetByUID(e.u.Rescue.UID);
if (!a->isInUse) break;
a->flags &= ~FLAGS_PRISONER;
SoundPlayAt(
&gSoundDevice, StrSound("rescue"), Vec2iFull2Real(a->Pos));
}
break;
case GAME_EVENT_OBJECTIVE_UPDATE:
{
ObjectiveDef *o = CArrayGet(
&gMission.Objectives, e.u.ObjectiveUpdate.ObjectiveId);
o->done += e.u.ObjectiveUpdate.Count;
// Display a text update effect for the objective
HUDAddUpdate(
&camera->HUD, NUMBER_UPDATE_OBJECTIVE,
e.u.ObjectiveUpdate.ObjectiveId, e.u.ObjectiveUpdate.Count);
MissionSetMessageIfComplete(&gMission);
}
break;
case GAME_EVENT_ADD_KEYS:
gMission.KeyFlags |= e.u.AddKeys.KeyFlags;
SoundPlayAt(
&gSoundDevice, gSoundDevice.keySound, Net2Vec2i(e.u.AddKeys.Pos));
// Clear cache since we may now have new paths
PathCacheClear(&gPathCache);
break;
case GAME_EVENT_MISSION_COMPLETE:
if (e.u.MissionComplete.ShowMsg)
{
HUDDisplayMessage(&camera->HUD, "Mission complete", -1);
}
camera->HUD.showExit = true;
MapShowExitArea(&gMap);
break;
case GAME_EVENT_MISSION_INCOMPLETE:
gMission.state = MISSION_STATE_PLAY;
break;
case GAME_EVENT_MISSION_PICKUP:
gMission.state = MISSION_STATE_PICKUP;
gMission.pickupTime = gMission.time;
SoundPlay(&gSoundDevice, StrSound("whistle"));
break;
case GAME_EVENT_MISSION_END:
gMission.isDone = true;
break;
default:
assert(0 && "unknown game event");
break;
}
}
void InitializeBadGuys(void)
{
for (int i = 0; i < (int)gMission.missionData->Objectives.size; i++)
{
MissionObjective *mobj =
CArrayGet(&gMission.missionData->Objectives, i);
ObjectiveDef *obj = CArrayGet(&gMission.Objectives, i);
if (mobj->Type == OBJECTIVE_KILL &&
gMission.missionData->SpecialChars.size > 0)
{
for (; obj->placed < mobj->Count; obj->placed++)
{
NActorAdd aa = NActorAdd_init_default;
aa.UID = ActorsGetNextUID();
aa.CharId = CharacterStoreGetRandomSpecialId(
&gCampaign.Setting.characters);
aa.TileItemFlags = ObjectiveToTileItem(i);
aa.Direction = rand() % DIRECTION_COUNT;
const Character *c =
CArrayGet(&gCampaign.Setting.characters.OtherChars, aa.CharId);
aa.Health = CharacterGetStartingHealth(c, true);
aa.FullPos = PlaceAwayFromPlayers(&gMap);
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
// Process the events that actually place the actors
HandleGameEvents(&gGameEvents, NULL, NULL, NULL);
}
}
else if (mobj->Type == OBJECTIVE_RESCUE)
{
for (; obj->placed < mobj->Count; obj->placed++)
{
NActorAdd aa = NActorAdd_init_default;
aa.UID = ActorsGetNextUID();
aa.CharId = CharacterStoreGetPrisonerId(
&gCampaign.Setting.characters, 0);
aa.TileItemFlags = ObjectiveToTileItem(i);
aa.Direction = rand() % DIRECTION_COUNT;
const Character *c =
CArrayGet(&gCampaign.Setting.characters.OtherChars, aa.CharId);
aa.Health = CharacterGetStartingHealth(c, true);
if (MapHasLockedRooms(&gMap))
{
aa.FullPos = PlacePrisoner(&gMap);
}
else
{
aa.FullPos = PlaceAwayFromPlayers(&gMap);
}
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
// Process the events that actually place the actors
HandleGameEvents(&gGameEvents, NULL, NULL, NULL);
}
}
}
gBaddieCount = gMission.index * 4;
gAreGoodGuysPresent = 0;
}
void CommandBadGuys(int ticks)
{
int count = 0;
int delayModifier;
int rollLimit;
switch (ConfigGetEnum(&gConfig, "Game.Difficulty"))
{
case DIFFICULTY_VERYEASY:
delayModifier = 4;
rollLimit = 300;
break;
case DIFFICULTY_EASY:
delayModifier = 2;
rollLimit = 200;
break;
case DIFFICULTY_HARD:
delayModifier = 1;
rollLimit = 75;
break;
case DIFFICULTY_VERYHARD:
delayModifier = 1;
rollLimit = 50;
break;
default:
delayModifier = 1;
rollLimit = 100;
break;
}
CA_FOREACH(TActor, actor, gActors)
if (!actor->isInUse)
{
continue;
}
const CharBot *bot = ActorGetCharacter(actor)->bot;
if (!(actor->PlayerUID >= 0 || (actor->flags & FLAGS_PRISONER)))
{
if ((actor->flags & (FLAGS_VICTIM | FLAGS_GOOD_GUY)) != 0)
{
gAreGoodGuysPresent = 1;
}
count++;
int cmd = 0;
// Wake up if it can see a player
if ((actor->flags & FLAGS_SLEEPING) &&
actor->aiContext->Delay == 0)
{
if (CanSeeAPlayer(actor))
{
actor->flags &= ~FLAGS_SLEEPING;
ActorSetAIState(actor, AI_STATE_NONE);
}
actor->aiContext->Delay = bot->actionDelay * delayModifier;
// Randomly change direction
int newDir = (int)actor->direction + ((rand() % 2) * 2 - 1);
if (newDir < (int)DIRECTION_UP)
{
newDir = (int)DIRECTION_UPLEFT;
}
if (newDir == (int)DIRECTION_COUNT)
{
newDir = (int)DIRECTION_UP;
}
cmd = DirectionToCmd((int)newDir);
}
// Go to sleep if the player's too far away
if (!(actor->flags & FLAGS_SLEEPING) &&
actor->aiContext->Delay == 0 &&
!(actor->flags & FLAGS_AWAKEALWAYS))
{
if (!IsCloseToPlayer(actor->Pos, (40 * 16) << 8))
{
actor->flags |= FLAGS_SLEEPING;
ActorSetAIState(actor, AI_STATE_IDLE);
}
}
if (!actor->dead && !(actor->flags & FLAGS_SLEEPING))
{
bool bypass = false;
const int roll = rand() % rollLimit;
if (actor->flags & FLAGS_FOLLOWER)
{
if (IsCloseToPlayer(actor->Pos, 32 << 8))
{
cmd = 0;
ActorSetAIState(actor, AI_STATE_IDLE);
}
else
{
cmd = AIGoto(
actor, AIGetClosestPlayerPos(actor->Pos), true);
ActorSetAIState(actor, AI_STATE_FOLLOW);
}
}
else if (!!(actor->flags & FLAGS_SNEAKY) &&
!!(actor->flags & FLAGS_VISIBLE) &&
DidPlayerShoot())
{
cmd = AIHuntClosest(actor) | CMD_BUTTON1;
if (actor->flags & FLAGS_RUNS_AWAY)
{
// Turn back and shoot for running away characters
cmd = AIReverseDirection(cmd);
}
bypass = true;
ActorSetAIState(actor, AI_STATE_HUNT);
}
else if (actor->flags & FLAGS_DETOURING)
{
cmd = BrightWalk(actor, roll);
ActorSetAIState(actor, AI_STATE_TRACK);
}
else if (actor->aiContext->Delay > 0)
{
cmd = actor->lastCmd & ~CMD_BUTTON1;
}
else
{
if (roll < bot->probabilityToTrack)
{
cmd = AIHuntClosest(actor);
ActorSetAIState(actor, AI_STATE_HUNT);
}
else if (roll < bot->probabilityToMove)
{
cmd = DirectionToCmd(rand() & 7);
ActorSetAIState(actor, AI_STATE_TRACK);
}
else
{
cmd = 0;
}
actor->aiContext->Delay = bot->actionDelay * delayModifier;
}
if (!bypass)
{
if (WillFire(actor, roll))
{
cmd |= CMD_BUTTON1;
if (!!(actor->flags & FLAGS_FOLLOWER) &&
(actor->flags & FLAGS_GOOD_GUY))
{
// Shoot in a random direction away
for (int j = 0; j < 10; j++)
{
direction_e d =
(direction_e)(rand() % DIRECTION_COUNT);
if (!IsFacingPlayer(actor, d))
{
cmd = DirectionToCmd(d) | CMD_BUTTON1;
break;
}
}
}
if (actor->flags & FLAGS_RUNS_AWAY)
{
// Turn back and shoot for running away characters
cmd |= AIReverseDirection(AIHuntClosest(actor));
}
ActorSetAIState(actor, AI_STATE_HUNT);
}
else
{
if ((actor->flags & FLAGS_VISIBLE) == 0)
{
// I think this is some hack to make sure invisible enemies don't fire so much
ActorGetGun(actor)->lock = 40;
}
if (cmd && !IsDirectionOK(actor, CmdToDirection(cmd)) &&
(actor->flags & FLAGS_DETOURING) == 0)
{
Detour(actor);
cmd = 0;
ActorSetAIState(actor, AI_STATE_TRACK);
}
}
}
}
actor->aiContext->Delay =
MAX(0, actor->aiContext->Delay - ticks);
CommandActor(actor, cmd, ticks);
}
else if ((actor->flags & FLAGS_PRISONER) != 0)
{
CommandActor(actor, 0, ticks);
}
CA_FOREACH_END()
if (gMission.missionData->Enemies.size > 0 &&
gMission.missionData->EnemyDensity > 0 &&
count < MAX(1, (gMission.missionData->EnemyDensity * ConfigGetInt(&gConfig, "Game.EnemyDensity")) / 100))
{
NActorAdd aa = NActorAdd_init_default;
aa.UID = ActorsGetNextUID();
aa.CharId = CharacterStoreGetRandomBaddieId(
&gCampaign.Setting.characters);
aa.Direction = rand() % DIRECTION_COUNT;
const Character *c =
CArrayGet(&gCampaign.Setting.characters.OtherChars, aa.CharId);
aa.Health = CharacterGetStartingHealth(c, true);
aa.FullPos = PlaceAwayFromPlayers(&gMap);
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
gBaddieCount++;
}
}
bool UpdateBullet(TMobileObject *obj, const int ticks)
{
obj->count += ticks;
obj->soundLock = MAX(0, obj->soundLock - ticks);
obj->specialLock = MAX(0, obj->specialLock - ticks);
if (obj->count < obj->bulletClass->Delay)
{
return true;
}
if (obj->range >= 0 && obj->count > obj->range)
{
if (!gCampaign.IsClient)
{
FireGuns(obj, &obj->bulletClass->OutOfRangeGuns);
}
return false;
}
const Vec2i objPos = Vec2iNew(obj->x, obj->y);
if (obj->bulletClass->SeekFactor > 0)
{
// Find the closest target to this bullet and steer towards it
const TActor *owner = ActorGetByUID(obj->ActorUID);
if (owner == NULL)
{
return false;
}
const TActor *target = AIGetClosestEnemy(objPos, owner, obj->flags);
if (target && !target->dead)
{
for (int i = 0; i < ticks; i++)
{
obj->vel = SeekTowards(
objPos, obj->vel,
obj->bulletClass->SpeedLow, target->Pos,
obj->bulletClass->SeekFactor);
}
}
}
Vec2i pos = Vec2iScale(Vec2iAdd(objPos, obj->vel), ticks);
HitType hitItem = HIT_NONE;
if (!gCampaign.IsClient)
{
hitItem = HitItem(obj, pos, obj->bulletClass->Persists);
}
const Vec2i realPos = Vec2iFull2Real(pos);
// Falling (grenades)
if (obj->bulletClass->Falling.GravityFactor != 0)
{
bool hasDropped = obj->z <= 0;
for (int i = 0; i < ticks; i++)
{
obj->z += obj->dz;
if (obj->z <= 0)
{
obj->z = 0;
if (obj->bulletClass->Falling.Bounces)
{
obj->dz = -obj->dz / 2;
}
else
{
obj->dz = 0;
}
if (!hasDropped)
{
if (!gCampaign.IsClient)
{
FireGuns(obj, &obj->bulletClass->Falling.DropGuns);
}
}
hasDropped = true;
if (obj->bulletClass->Falling.DestroyOnDrop)
{
return false;
}
SoundPlayAt(
&gSoundDevice,
StrSound(obj->bulletClass->HitSound.Wall), realPos);
}
else
{
obj->dz -= obj->bulletClass->Falling.GravityFactor;
}
if (!obj->bulletClass->Falling.FallsDown)
{
obj->dz = MAX(0, obj->dz);
}
}
}
// Friction
const bool isDiagonal = obj->vel.x != 0 && obj->vel.y != 0;
int frictionComponent = isDiagonal ?
(int)round(obj->bulletClass->Friction / sqrt(2)) :
obj->bulletClass->Friction;
for (int i = 0; i < ticks; i++)
{
if (obj->vel.x > 0)
{
obj->vel.x -= frictionComponent;
}
else if (obj->vel.x < 0)
{
obj->vel.x += frictionComponent;
}
if (obj->vel.y > 0)
{
obj->vel.y -= frictionComponent;
}
else if (obj->vel.y < 0)
{
obj->vel.y += frictionComponent;
}
}
bool hitWall = false;
if (!gCampaign.IsClient && hitItem == HIT_NONE)
{
hitWall =
MapIsRealPosIn(&gMap, realPos) && ShootWall(realPos.x, realPos.y);
}
if (hitWall || hitItem != HIT_NONE)
{
GameEvent b = GameEventNew(GAME_EVENT_BULLET_BOUNCE);
b.u.BulletBounce.UID = obj->UID;
if (hitWall && !Vec2iIsZero(obj->vel))
{
b.u.BulletBounce.HitType = (int)HIT_WALL;
}
else
{
b.u.BulletBounce.HitType = (int)hitItem;
}
bool alive = true;
if ((hitWall && !obj->bulletClass->WallBounces) ||
((hitItem != HIT_NONE) && obj->bulletClass->HitsObjects))
{
b.u.BulletBounce.Spark = true;
CASSERT(!gCampaign.IsClient, "Cannot process bounces as client");
FireGuns(obj, &obj->bulletClass->HitGuns);
if (hitWall || !obj->bulletClass->Persists)
{
alive = false;
}
}
b.u.BulletBounce.BouncePos = Vec2i2Net(pos);
b.u.BulletBounce.BounceVel = Vec2i2Net(obj->vel);
if (hitWall && !Vec2iIsZero(obj->vel))
{
// Bouncing
Vec2i bounceVel = obj->vel;
pos = GetWallBounceFullPos(objPos, pos, &bounceVel);
b.u.BulletBounce.BouncePos = Vec2i2Net(pos);
b.u.BulletBounce.BounceVel = Vec2i2Net(bounceVel);
obj->vel = bounceVel;
}
GameEventsEnqueue(&gGameEvents, b);
if (!alive)
{
return false;
}
}
if (!MapTryMoveTileItem(&gMap, &obj->tileItem, realPos))
{
obj->count = obj->range;
return false;
}
obj->x = pos.x;
obj->y = pos.y;
if (obj->bulletClass->Erratic)
{
for (int i = 0; i < ticks; i++)
{
obj->vel.x += ((rand() % 3) - 1) * 128;
obj->vel.y += ((rand() % 3) - 1) * 128;
}
}
// Proximity function, destroy
// Only check proximity every now and then
if (obj->bulletClass->ProximityGuns.size > 0 && !(obj->count & 3))
{
if (!gCampaign.IsClient)
{
// Detonate the mine if there are characters in the tiles around it
const Vec2i tv =
Vec2iToTile(Vec2iFull2Real(pos));
Vec2i dv;
for (dv.y = -1; dv.y <= 1; dv.y++)
{
for (dv.x = -1; dv.x <= 1; dv.x++)
{
const Vec2i dtv = Vec2iAdd(tv, dv);
if (!MapIsTileIn(&gMap, dtv))
{
continue;
}
if (TileHasCharacter(MapGetTile(&gMap, dtv)))
{
FireGuns(obj, &obj->bulletClass->ProximityGuns);
return false;
}
}
}
}
}
return true;
}
static bool DoDamageCharacter(
const Vec2i pos,
const Vec2i hitVector,
const int power,
const int flags,
const int player,
const int uid,
const TTileItem *target,
const special_damage_e special,
const HitSounds *hitSounds,
const bool allowFriendlyHitSound)
{
// Create events: hit, damage, score
TActor *actor = CArrayGet(&gActors, target->id);
CASSERT(actor->isInUse, "Cannot damage nonexistent player");
bool canHit = CanHitCharacter(flags, uid, actor);
if (canHit)
{
GameEvent e;
e.Type = GAME_EVENT_HIT_CHARACTER;
e.u.HitCharacter.TargetId = actor->tileItem.id;
e.u.HitCharacter.Special = special;
GameEventsEnqueue(&gGameEvents, e);
if (gConfig.Sound.Hits && hitSounds != NULL &&
!ActorIsImmune(actor, special) &&
(allowFriendlyHitSound || !ActorIsInvulnerable(
actor, flags, player, gCampaign.Entry.Mode)))
{
GameEvent es;
es.Type = GAME_EVENT_SOUND_AT;
es.u.SoundAt.Sound = hitSounds->Flesh;
es.u.SoundAt.Pos = pos;
GameEventsEnqueue(&gGameEvents, es);
}
if (gConfig.Game.ShotsPushback)
{
GameEvent ei;
ei.Type = GAME_EVENT_ACTOR_IMPULSE;
ei.u.ActorImpulse.Id = actor->tileItem.id;
ei.u.ActorImpulse.Vel = Vec2iScaleDiv(
Vec2iScale(hitVector, power), SHOT_IMPULSE_DIVISOR);
GameEventsEnqueue(&gGameEvents, ei);
}
if (CanDamageCharacter(flags, player, uid, actor, special))
{
GameEvent e1;
e1.Type = GAME_EVENT_DAMAGE_CHARACTER;
e1.u.DamageCharacter.Power = power;
e1.u.DamageCharacter.PlayerIndex = player;
e1.u.DamageCharacter.TargetId = actor->tileItem.id;
e1.u.DamageCharacter.TargetPlayerIndex = -1;
if (actor->pData)
{
e1.u.DamageCharacter.TargetPlayerIndex =
actor->pData->playerIndex;
}
GameEventsEnqueue(&gGameEvents, e1);
if (gConfig.Game.Gore != GORE_NONE)
{
GameEvent eb;
memset(&eb, 0, sizeof eb);
eb.Type = GAME_EVENT_ADD_PARTICLE;
eb.u.AddParticle.FullPos = Vec2iReal2Full(pos);
eb.u.AddParticle.Z = 10 * Z_FACTOR;
int bloodPower = power * 2;
int bloodSize = 1;
while (bloodPower > 0)
{
switch (bloodSize)
{
case 1:
eb.u.AddParticle.Class =
StrParticleClass(&gParticleClasses, "blood1");
break;
case 2:
eb.u.AddParticle.Class =
StrParticleClass(&gParticleClasses, "blood2");
break;
default:
eb.u.AddParticle.Class =
StrParticleClass(&gParticleClasses, "blood3");
break;
}
bloodSize++;
if (bloodSize > 3)
{
bloodSize = 1;
}
if (gConfig.Game.ShotsPushback)
{
eb.u.AddParticle.Vel = Vec2iScaleDiv(
Vec2iScale(hitVector, (rand() % 8 + 8) * power),
15 * SHOT_IMPULSE_DIVISOR);
}
else
{
eb.u.AddParticle.Vel = Vec2iScaleDiv(
Vec2iScale(hitVector, rand() % 8 + 8), 20);
}
eb.u.AddParticle.Vel.x += (rand() % 128) - 64;
eb.u.AddParticle.Vel.y += (rand() % 128) - 64;
eb.u.AddParticle.Angle = RAND_DOUBLE(0, PI * 2);
eb.u.AddParticle.DZ = (rand() % 6) + 6;
eb.u.AddParticle.Spin = RAND_DOUBLE(-0.1, 0.1);
GameEventsEnqueue(&gGameEvents, eb);
switch (gConfig.Game.Gore)
{
case GORE_LOW:
bloodPower /= 8;
break;
case GORE_MEDIUM:
bloodPower /= 2;
break;
default:
bloodPower = bloodPower * 7 / 8;
break;
}
}
}
if (player >= 0 && power != 0)
{
// Calculate score based on
// if they hit a penalty character
GameEvent e2;
e2.Type = GAME_EVENT_SCORE;
e2.u.Score.PlayerIndex = player;
if (actor->flags & FLAGS_PENALTY)
{
e2.u.Score.Score = PENALTY_MULTIPLIER * power;
}
else
{
e2.u.Score.Score = power;
}
GameEventsEnqueue(&gGameEvents, e2);
}
}
}
return canHit;
}