示例#1
0
文件: ai.c 项目: NSYXin/cdogs-sdl
static bool CanSeeAPlayer(const TActor *a)
{
    const Vec2i realPos = Vec2iFull2Real(a->Pos);
    CA_FOREACH(const PlayerData, p, gPlayerDatas)
    if (!IsPlayerAlive(p))
    {
        continue;
    }
    const TActor *player = ActorGetByUID(p->ActorUID);
    const Vec2i playerRealPos = Vec2iFull2Real(player->Pos);
    // Can see player if:
    // - Clear line of sight, and
    // - If they are close, or if facing and they are not too far
    if (!AIHasClearShot(realPos, playerRealPos))
    {
        continue;
    }
    const int distance = CHEBYSHEV_DISTANCE(
                             realPos.x, realPos.y, playerRealPos.x, playerRealPos.y);
    const bool isClose = distance < 16 * 4;
    const bool isNotTooFar = distance < 16 * 30;
    if (isClose ||
            (isNotTooFar && AIIsFacing(a, player->Pos, a->direction)))
    {
        return true;
    }
    CA_FOREACH_END()
    return false;
}
示例#2
0
文件: ai.c 项目: kodephys/cdogs-sdl
static bool CanSeeAPlayer(const TActor *a)
{
	const Vec2i realPos = Vec2iFull2Real(a->Pos);
	for (int i = 0; i < MAX_PLAYERS; i++)
	{
		if (!IsPlayerAlive(i))
		{
			continue;
		}
		const TActor *player = CArrayGet(&gActors, gPlayerIds[i]);
		const Vec2i playerRealPos = Vec2iFull2Real(player->Pos);
		// Can see player if:
		// - Clear line of sight, and
		// - If they are close, or if facing and they are not too far
		if (!AIHasClearShot(realPos, playerRealPos))
		{
			continue;
		}
		const int distance = CHEBYSHEV_DISTANCE(
			realPos.x, realPos.y, playerRealPos.x, playerRealPos.y);
		const bool isClose = distance < 16 * 4;
		const bool isNotTooFar = distance < 16 * 30;
		if (isClose ||
			(isNotTooFar && IsFacing(realPos, playerRealPos, a->direction)))
		{
			return true;
		}
	}
	return false;
}
示例#3
0
Vec2i GetWallBounceFullPos(
	const Vec2i startFull, const Vec2i newFull, Vec2i *velFull)
{
	CASSERT(velFull != NULL, "need velocity for wall bouncing");
	Vec2i newReal = Vec2iFull2Real(newFull);
	if (!ShootWall(newReal.x, newReal.y))
	{
		return newFull;
	}
	Vec2i startRealPos = Vec2iFull2Real(startFull);
	Vec2i bounceFull = startFull;
	if (!ShootWall(startRealPos.x, newReal.y))
	{
		bounceFull.y = newFull.y;
		velFull->x *= -1;
	}
	else if (!ShootWall(newReal.x, startRealPos.y))
	{
		bounceFull.x = newFull.x;
		velFull->y *= -1;
	}
	else
	{
		*velFull = Vec2iScale(*velFull, -1);
		// Keep bouncing back if it's inside a wall
		// However, do not bounce more than half a tile's size
		if (!Vec2iIsZero(*velFull))
		{
			Vec2i bounceReal = newReal;
			const int maxBounces = MAX(
				velFull->x / 256 / TILE_WIDTH,
				velFull->y / 256 / TILE_HEIGHT);
			for (int i = 0;
				i < maxBounces &&
				MapIsRealPosIn(&gMap, bounceReal) &&
				ShootWall(bounceReal.x, bounceReal.y);
				i++)
			{
				bounceFull = Vec2iAdd(bounceFull, *velFull);
				bounceReal = Vec2iFull2Real(bounceFull);
			}
			// If still colliding wall or outside map,
			// can't recover from this point; zero velocity and return
			if (!MapIsRealPosIn(&gMap, bounceReal) ||
				ShootWall(bounceReal.x, bounceReal.y))
			{
				*velFull = Vec2iZero();
				return startFull;
			}
		}
	}
	return bounceFull;
}
示例#4
0
void DrawLaserSight(
	const ActorPics *pics, const TActor *a, const Vec2i picPos)
{
	// Don't draw if dead or transparent
	if (pics->IsDead || pics->IsTransparent) return;
	// Check config
	const LaserSight ls = ConfigGetEnum(&gConfig, "Game.LaserSight");
	if (ls != LASER_SIGHT_ALL &&
		!(ls == LASER_SIGHT_PLAYERS && a->PlayerUID >= 0))
	{
		return;
	}
	// Draw weapon indicators
	const GunDescription *g = ActorGetGun(a)->Gun;
	Vec2i muzzlePos = Vec2iAdd(
		picPos, Vec2iFull2Real(GunGetMuzzleOffset(g, a->direction)));
	muzzlePos.y -= g->MuzzleHeight / Z_FACTOR;
	const double radians = dir2radians[a->direction] + g->AngleOffset;
	const int range = GunGetRange(g);
	color_t color = colorCyan;
	color.a = 64;
	const double spreadHalf =
		(g->Spread.Count - 1) * g->Spread.Width / 2 + g->Recoil / 2;
	if (spreadHalf > 0)
	{
		DrawLaserSightSingle(muzzlePos, radians - spreadHalf, range, color);
		DrawLaserSightSingle(muzzlePos, radians + spreadHalf, range, color);
	}
	else
	{
		DrawLaserSightSingle(muzzlePos, radians, range, color);
	}
}
示例#5
0
int AIGoto(TActor *actor, Vec2i p, bool ignoreObjects)
{
    Vec2i a = Vec2iFull2Real(actor->Pos);
    Vec2i currentTile = Vec2iToTile(a);
    Vec2i goalTile = Vec2iToTile(p);
    AIGotoContext *c = &actor->aiContext->Goto;

    // If we are already there, bail
    // This can happen if AI is trying to track the player,
    // but the player has died, for example.
    if (Vec2iEqual(currentTile, goalTile))
    {
        return 0;
    }

    // If we are currently following an A* path,
    // and it is still valid, keep following it until
    // we have reached a new tile
    if (c && c->IsFollowing && AStarCloseToPath(c, currentTile, goalTile))
    {
        return AStarFollow(c, currentTile, &actor->tileItem, a);
    }
    else if (AIHasClearPath(a, p, ignoreObjects))
    {
        // Simple case: if there's a clear line between AI and target,
        // walk straight towards it
        return AIGotoDirect(a, p);
    }
    else
    {
        // We need to recalculate A*

        AStarContext ac;
        ac.Map = &gMap;
        ac.IsTileOk =
            ignoreObjects ? IsTileWalkable : IsTileWalkableAroundObjects;
        // First, if the goal tile is blocked itself,
        // find a nearby tile that can be walked to
        c->Goal = MapSearchTileAround(ac.Map, goalTile, ac.IsTileOk);

        c->PathIndex = 1;	// start navigating to the next path node
        ASPathDestroy(c->Path);
        c->Path = ASPathCreate(
                      &cPathNodeSource, &ac, &currentTile, &c->Goal);

        // In case we can't calculate A* for some reason,
        // try simple navigation again
        if (ASPathGetCount(c->Path) <= 1)
        {
            debug(
                D_MAX,
                "Error: can't calculate path from {%d, %d} to {%d, %d}",
                currentTile.x, currentTile.y,
                goalTile.x, goalTile.y);
            return AIGotoDirect(a, p);
        }

        return AStarFollow(c, currentTile, &actor->tileItem, a);
    }
}
示例#6
0
TObject *AIGetObjectRunningInto(TActor *a, int cmd)
{
    // Check the position just in front of the character;
    // check if there's a (non-dangerous) object in front of it
    Vec2i frontPos = Vec2iFull2Real(a->Pos);
    TTileItem *item;
    if (cmd & CMD_LEFT)
    {
        frontPos.x--;
    }
    else if (cmd & CMD_RIGHT)
    {
        frontPos.x++;
    }
    if (cmd & CMD_UP)
    {
        frontPos.y--;
    }
    else if (cmd & CMD_DOWN)
    {
        frontPos.y++;
    }
    item = GetItemOnTileInCollision(
               &a->tileItem,
               frontPos,
               TILEITEM_IMPASSABLE,
               CalcCollisionTeam(1, a),
               gCampaign.Entry.Mode == CAMPAIGN_MODE_DOGFIGHT);
    if (!item || item->kind != KIND_OBJECT)
    {
        return NULL;
    }
    return CArrayGet(&gObjs, item->id);
}
示例#7
0
void WeaponUpdate(
	Weapon *w, const int ticks, const Vec2i fullPos, const direction_e d)
{
	// Reload sound
	if (ConfigGetBool(&gConfig, "Sound.Reloads") &&
		w->lock > w->Gun->ReloadLead &&
		w->lock - ticks <= w->Gun->ReloadLead &&
		w->lock > 0 &&
		w->Gun->ReloadSound != NULL)
	{
		SoundPlayAtPlusDistance(
			&gSoundDevice,
			w->Gun->ReloadSound,
			Vec2iFull2Real(fullPos),
			RELOAD_DISTANCE_PLUS);
		// Brass shells
		if (w->Gun->Brass)
		{
			AddBrass(w->Gun, d, fullPos);
		}
	}
	w->lock -= ticks;
	if (w->lock < 0)
	{
		w->lock = 0;
	}
	w->soundLock -= ticks;
	if (w->soundLock < 0)
	{
		w->soundLock = 0;
	}
	w->clickLock -= ticks;
	if (w->clickLock < 0)
	{
		w->clickLock = 0;
	}
	if (w->stateCounter >= 0)
	{
		w->stateCounter = MAX(0, w->stateCounter - ticks);
		if (w->stateCounter == 0)
		{
			switch (w->state)
			{
			case GUNSTATE_FIRING:
				WeaponSetState(w, GUNSTATE_RECOIL);
				break;
			case GUNSTATE_RECOIL:
				WeaponSetState(w, GUNSTATE_READY);
				break;
			default:
				assert(0);
				break;
			}
		}
	}
}
示例#8
0
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);
	}
}
示例#9
0
文件: objs.c 项目: evktalo/cdogs-sdl
void AddObjectOld(
	int x, int y, Vec2i size,
	const TOffsetPic * pic, PickupType type, int tileFlags)
{
	TObject *o = CArrayGet(&gObjs, ObjAdd(
		Vec2iNew(x, y), size, NULL, type, tileFlags));
	o->pic = pic;
	o->wreckedPic = NULL;
	o->structure = 0;
	o->flags = 0;
	MapTryMoveTileItem(&gMap, &o->tileItem, Vec2iFull2Real(Vec2iNew(x, y)));
}
示例#10
0
Vec2i AIGetClosestPlayerPos(Vec2i pos)
{
    TActor *closestPlayer = AIGetClosestPlayer(pos);
    if (closestPlayer)
    {
        return Vec2iFull2Real(closestPlayer->Pos);
    }
    else
    {
        return pos;
    }
}
示例#11
0
文件: ai.c 项目: NSYXin/cdogs-sdl
static bool IsPosOK(TActor *actor, Vec2i pos)
{
    const Vec2i realPos = Vec2iFull2Real(pos);
    if (IsCollisionDiamond(&gMap, realPos, actor->tileItem.size))
    {
        return false;
    }
    if (CollideGetFirstItem(
                &actor->tileItem, realPos, TILEITEM_IMPASSABLE,
                CalcCollisionTeam(1, actor),
                IsPVP(gCampaign.Entry.Mode)))
    {
        return false;
    }
    return true;
}
示例#12
0
文件: ai.c 项目: kodephys/cdogs-sdl
static bool IsPosOK(TActor *actor, Vec2i pos)
{
	Vec2i realPos = Vec2iFull2Real(pos);
	Vec2i size = Vec2iNew(actor->tileItem.w, actor->tileItem.h);
	if (IsCollisionWallOrEdge(&gMap, realPos, size))
	{
		return 0;
	}
	if (GetItemOnTileInCollision(
		&actor->tileItem, realPos, TILEITEM_IMPASSABLE,
		CalcCollisionTeam(1, actor),
		gCampaign.Entry.Mode == CAMPAIGN_MODE_DOGFIGHT))
	{
		return 0;
	}
	return 1;
}
示例#13
0
文件: objs.c 项目: evktalo/cdogs-sdl
int ObjAdd(
	Vec2i pos, Vec2i size,
	const char *picName, PickupType type, int tileFlags)
{
	// Find an empty slot in actor list
	TObject *o = NULL;
	int i;
	for (i = 0; i < (int)gObjs.size; i++)
	{
		TObject *obj = CArrayGet(&gObjs, i);
		if (!obj->isInUse)
		{
			o = obj;
			break;
		}
	}
	if (o == NULL)
	{
		TObject obj;
		memset(&obj, 0, sizeof obj);
		CArrayPushBack(&gObjs, &obj);
		i = (int)gObjs.size - 1;
		o = CArrayGet(&gObjs, i);
	}
	memset(o, 0, sizeof *o);
	o->pic = NULL;
	o->wreckedPic = NULL;
	o->picName = picName;
	o->Type = type;
	o->structure = 0;
	o->flags = 0;
	o->tileItem.x = o->tileItem.y = -1;
	o->tileItem.flags = tileFlags;
	o->tileItem.kind = KIND_OBJECT;
	o->tileItem.getPicFunc = GetObjectPic;
	o->tileItem.getActorPicsFunc = NULL;
	o->tileItem.w = size.x;
	o->tileItem.h = size.y;
	o->tileItem.id = i;
	MapTryMoveTileItem(&gMap, &o->tileItem, Vec2iFull2Real(pos));
	o->isInUse = true;
	return i;
}
示例#14
0
文件: objs.c 项目: evktalo/cdogs-sdl
int MobObjAdd(const Vec2i fullpos, const int player, const int uid)
{
	// Find an empty slot in mobobj list
	TMobileObject *obj = NULL;
	int i;
	for (i = 0; i < (int)gMobObjs.size; i++)
	{
		TMobileObject *m = CArrayGet(&gMobObjs, i);
		if (!m->isInUse)
		{
			obj = m;
			break;
		}
	}
	if (obj == NULL)
	{
		TMobileObject m;
		memset(&m, 0, sizeof m);
		CArrayPushBack(&gMobObjs, &m);
		i = (int)gMobObjs.size - 1;
		obj = CArrayGet(&gMobObjs, i);
	}
	memset(obj, 0, sizeof *obj);
	obj->x = fullpos.x;
	obj->y = fullpos.y;
	obj->player = player;
	obj->uid = uid;
	obj->tileItem.kind = KIND_MOBILEOBJECT;
	obj->tileItem.id = i;
	obj->soundLock = 0;
	obj->isInUse = true;
	obj->tileItem.x = obj->tileItem.y = -1;
	obj->tileItem.getPicFunc = NULL;
	obj->tileItem.getActorPicsFunc = NULL;
	obj->tileItem.drawFunc = (TileItemDrawFunc)BogusDraw;
	obj->tileItem.drawData.MobObjId = i;
	obj->updateFunc = UpdateMobileObject;
	MapTryMoveTileItem(&gMap, &obj->tileItem, Vec2iFull2Real(fullpos));
	return i;
}
示例#15
0
TActor *AIGetClosestPlayer(Vec2i fullpos)
{
    int i;
    int minDistance = -1;
    TActor *closestPlayer = NULL;
    for (i = 0; i < gOptions.numPlayers; i++)
    {
        if (IsPlayerAlive(i))
        {
            TActor *p = CArrayGet(&gActors, gPlayerIds[i]);
            Vec2i pPos = Vec2iFull2Real(p->Pos);
            int distance = CHEBYSHEV_DISTANCE(
                               fullpos.x, fullpos.y, pPos.x, pPos.y);
            if (!closestPlayer || distance < minDistance)
            {
                closestPlayer = p;
                minDistance = distance;
            }
        }
    }
    return closestPlayer;
}
示例#16
0
文件: draw.c 项目: NSYXin/cdogs-sdl
static void DrawLaserSight(const TActor *a, const Vec2i picPos)
{
    // Draw weapon indicators
    const GunDescription *g = ActorGetGun(a)->Gun;
    Vec2i muzzlePos = Vec2iAdd(
                          picPos, Vec2iFull2Real(GunGetMuzzleOffset(g, a->direction)));
    muzzlePos.y -= g->MuzzleHeight / Z_FACTOR;
    const double radians = dir2radians[a->direction] + g->AngleOffset;
    const int range = GunGetRange(g);
    color_t color = colorCyan;
    color.a = 64;
    const double spreadHalf =
        (g->Spread.Count - 1) * g->Spread.Width / 2 + g->Recoil / 2;
    if (spreadHalf > 0)
    {
        DrawLaserSightSingle(muzzlePos, radians - spreadHalf, range, color);
        DrawLaserSightSingle(muzzlePos, radians + spreadHalf, range, color);
    }
    else
    {
        DrawLaserSightSingle(muzzlePos, radians, range, color);
    }
}
示例#17
0
文件: objs.c 项目: evktalo/cdogs-sdl
bool HitItem(TMobileObject *obj, const Vec2i pos, const bool multipleHits)
{
	// Don't hit if no damage dealt
	// This covers non-damaging debris explosions
	if (obj->bulletClass->Power <= 0 &&
		obj->bulletClass->Special == SPECIAL_NONE)
	{
		return 0;
	}

	// Get all items that collide
	HitItemData data;
	data.HasHit = false;
	data.MultipleHits = multipleHits;
	data.HasFirstCollision = false;
	data.Obj = obj;
	CollideAllItems(
		&obj->tileItem, Vec2iFull2Real(pos),
		TILEITEM_CAN_BE_SHOT, COLLISIONTEAM_NONE,
		gCampaign.Entry.Mode == CAMPAIGN_MODE_DOGFIGHT,
		HitItemFunc, &data);
	return data.HasHit;
}
示例#18
0
static HitType HitItem(
	TMobileObject *obj, const Vec2i pos, const bool multipleHits)
{
	// Don't hit if no damage dealt
	// This covers non-damaging debris explosions
	if (obj->bulletClass->Power <= 0 &&
		(obj->specialLock > 0 || obj->bulletClass->Special == SPECIAL_NONE))
	{
		return HIT_NONE;
	}

	// Get all items that collide
	HitItemData data;
	data.HitType = HIT_NONE;
	data.MultipleHits = multipleHits;
	data.Obj = obj;
	CollideTileItems(
		&obj->tileItem, Vec2iFull2Real(pos),
		TILEITEM_CAN_BE_SHOT, COLLISIONTEAM_NONE,
		IsPVP(gCampaign.Entry.Mode),
		HitItemFunc, &data);
	return data.HitType;
}
示例#19
0
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;
}
示例#20
0
void BulletAdd(const NAddBullet add)
{
	const Vec2i pos = Net2Vec2i(add.MuzzlePos);

	// Find an empty slot in mobobj list
	TMobileObject *obj = NULL;
	int i;
	for (i = 0; i < (int)gMobObjs.size; i++)
	{
		TMobileObject *m = CArrayGet(&gMobObjs, i);
		if (!m->isInUse)
		{
			obj = m;
			break;
		}
	}
	if (obj == NULL)
	{
		TMobileObject m;
		memset(&m, 0, sizeof m);
		CArrayPushBack(&gMobObjs, &m);
		i = (int)gMobObjs.size - 1;
		obj = CArrayGet(&gMobObjs, i);
	}
	memset(obj, 0, sizeof *obj);
	obj->UID = add.UID;
	obj->bulletClass = StrBulletClass(add.BulletClass);
	obj->x = pos.x;
	obj->y = pos.y;
	obj->z = add.MuzzleHeight;
	obj->dz = add.Elevation;

	obj->vel = Vec2iFull2Real(Vec2iScale(
		GetFullVectorsForRadians(add.Angle),
		RAND_INT(obj->bulletClass->SpeedLow, obj->bulletClass->SpeedHigh)));
	if (obj->bulletClass->SpeedScale)
	{
		obj->vel.y = obj->vel.y * TILE_WIDTH / TILE_HEIGHT;
	}

	obj->PlayerUID = add.PlayerUID;
	obj->ActorUID = add.ActorUID;
	obj->range = RAND_INT(
		obj->bulletClass->RangeLow, obj->bulletClass->RangeHigh);

	obj->flags = add.Flags;
	if (obj->bulletClass->HurtAlways)
	{
		obj->flags |= FLAGS_HURTALWAYS;
	}

	obj->tileItem.kind = KIND_MOBILEOBJECT;
	obj->tileItem.id = i;
	obj->isInUse = true;
	obj->tileItem.x = obj->tileItem.y = -1;
	obj->tileItem.getPicFunc = NULL;
	obj->tileItem.getActorPicsFunc = NULL;
	obj->tileItem.drawFunc = NULL;
	obj->tileItem.drawData.MobObjId = i;
	obj->tileItem.CPic = obj->bulletClass->CPic;
	obj->tileItem.CPicFunc = GetBulletDrawContext;
	obj->tileItem.size = obj->bulletClass->Size;
	obj->tileItem.ShadowSize = obj->bulletClass->ShadowSize;
	obj->updateFunc = UpdateBullet;
	MapTryMoveTileItem(&gMap, &obj->tileItem, Vec2iFull2Real(pos));
}
示例#21
0
// Draw player's score, health etc.
static void DrawPlayerStatus(
	HUD *hud, const PlayerData *data, const TActor *p,
	const int flags, const Rect2i r)
{
	if (p != NULL)
	{
		DrawObjectiveCompass(
			hud->device, Vec2iFull2Real(p->Pos), r, hud->showExit);
	}

	Vec2i pos = Vec2iNew(5, 5);

	FontOpts opts = FontOptsNew();
	if (flags & HUDFLAGS_PLACE_RIGHT)
	{
		opts.HAlign = ALIGN_END;
	}
	if (flags & HUDFLAGS_PLACE_BOTTOM)
	{
		opts.VAlign = ALIGN_END;
		pos.y += BOTTOM_PADDING;
	}
	opts.Area = gGraphicsDevice.cachedConfig.Res;
	opts.Pad = pos;
	FontStrOpt(data->name, Vec2iZero(), opts);

	const int rowHeight = 1 + FontH();
	pos.y += rowHeight;
	char s[50];
	if (IsScoreNeeded(gCampaign.Entry.Mode))
	{
		if (ConfigGetBool(&gConfig, "Game.Ammo"))
		{
			// Display money instead of ammo
			sprintf(s, "Cash: $%d", data->score);
		}
		else
		{
			sprintf(s, "Score: %d", data->score);
		}
	}
	else
	{
		s[0] = 0;
	}
	if (p)
	{
		// Score/money
		opts.Pad = pos;
		FontStrOpt(s, Vec2iZero(), opts);

		// Health
		pos.y += rowHeight;
		DrawHealth(hud->device, p, pos, opts.HAlign, opts.VAlign);

		// Lives
		pos.y += rowHeight;
		DrawLives(hud->device, data, pos, opts.HAlign, opts.VAlign);

		// Weapon
		pos.y += rowHeight + LIVES_ROW_EXTRA_Y;
		DrawWeaponStatus(hud, p, pos, opts.HAlign, opts.VAlign);
	}
	else
	{
		opts.Pad = pos;
		FontStrOpt(s, Vec2iZero(), opts);
	}

	if (ConfigGetBool(&gConfig, "Interface.ShowHUDMap") &&
		!(flags & HUDFLAGS_SHARE_SCREEN) &&
		IsAutoMapEnabled(gCampaign.Entry.Mode))
	{
		DrawRadar(hud->device, p, RADAR_SCALE, flags, hud->showExit);
	}
}
示例#22
0
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;
	}
}