static bool TryPlacePickup(HealthPickups *h)
{
Vec2i size = Vec2iNew(HEALTH_W, HEALTH_H);
// Attempt to place one in unexplored area
for (int i = 0; i < 100; i++)
{
const Vec2i v = MapGenerateFreePosition(h->map, size);
if (!Vec2iIsZero(v) && !MapGetTile(h->map, Vec2iToTile(v))->isVisited)
{
MapPlaceHealth(v);
return true;
}
}
// Attempt to place one in out-of-sight area
for (int i = 0; i < 100; i++)
{
const Vec2i v = MapGenerateFreePosition(h->map, size);
const Vec2i fullpos = Vec2iReal2Full(v);
const TActor *closestPlayer = AIGetClosestPlayer(fullpos);
if (!Vec2iIsZero(v) &&
(!closestPlayer || CHEBYSHEV_DISTANCE(
fullpos.x, fullpos.y,
closestPlayer->Pos.x, closestPlayer->Pos.y) >= 256 * 150))
{
MapPlaceHealth(v);
return true;
}
}
// Attempt to place one anyway
for (int i = 0; i < 100; i++)
{
const Vec2i v = MapGenerateFreePosition(h->map, size);
if (!Vec2iIsZero(v))
{
MapPlaceHealth(v);
return true;
}
}
return false;
}
static void HandleGameEvent(
GameEvent *e,
HUD *hud,
ScreenShake *shake,
HealthPickups *hp,
EventHandlers *eventHandlers)
{
switch (e->Type)
{
case GAME_EVENT_SCORE:
Score(&gPlayerDatas[e->u.Score.PlayerIndex], e->u.Score.Score);
HUDAddScoreUpdate(hud, e->u.Score.PlayerIndex, e->u.Score.Score);
break;
case GAME_EVENT_SOUND_AT:
if (e->u.SoundAt.Sound)
{
SoundPlayAt(
&gSoundDevice, e->u.SoundAt.Sound, e->u.SoundAt.Pos);
}
break;
case GAME_EVENT_SCREEN_SHAKE:
*shake = ScreenShakeAdd(
*shake, e->u.ShakeAmount, gConfig.Graphics.ShakeMultiplier);
break;
case GAME_EVENT_SET_MESSAGE:
HUDDisplayMessage(
hud, e->u.SetMessage.Message, e->u.SetMessage.Ticks);
break;
case GAME_EVENT_GAME_START:
if (eventHandlers->netInput.channel.state ==
CHANNEL_STATE_CONNECTED)
{
NetInputSendMsg(
&eventHandlers->netInput, SERVER_MSG_GAME_START);
}
break;
case GAME_EVENT_ADD_HEALTH_PICKUP:
MapPlaceHealth(e->u.AddPos);
break;
case GAME_EVENT_TAKE_HEALTH_PICKUP:
if (IsPlayerAlive(e->u.PickupPlayer))
{
TActor *player = CArrayGet(
&gActors, gPlayerIds[e->u.PickupPlayer]);
ActorHeal(player, HEALTH_PICKUP_HEAL_AMOUNT);
HealthPickupsRemoveOne(hp);
HUDAddHealthUpdate(
hud, e->u.PickupPlayer, HEALTH_PICKUP_HEAL_AMOUNT);
}
break;
case GAME_EVENT_MOBILE_OBJECT_REMOVE:
MobObjDestroy(e->u.MobileObjectRemoveId);
break;
case GAME_EVENT_ADD_BULLET:
BulletAdd(
e->u.AddBullet.Bullet,
e->u.AddBullet.MuzzlePos, e->u.AddBullet.MuzzleHeight,
e->u.AddBullet.Angle, e->u.AddBullet.Direction,
e->u.AddBullet.Flags, e->u.AddBullet.PlayerIndex);
break;
case GAME_EVENT_ADD_MUZZLE_FLASH:
AddMuzzleFlash(
e->u.AddMuzzleFlash.FullPos,
e->u.AddMuzzleFlash.MuzzleHeight,
e->u.AddMuzzleFlash.Sprites,
e->u.AddMuzzleFlash.Direction,
e->u.AddMuzzleFlash.Color,
e->u.AddMuzzleFlash.Duration);
break;
case GAME_EVENT_ADD_FIREBALL:
AddFireball(e->u.AddFireball);
break;
case GAME_EVENT_HIT_CHARACTER:
HitCharacter(
e->u.HitCharacter.Flags,
e->u.HitCharacter.PlayerIndex,
CArrayGet(&gActors, e->u.HitCharacter.TargetId),
e->u.HitCharacter.Special,
e->u.HitCharacter.HasHitSound);
break;
case GAME_EVENT_ACTOR_IMPULSE:
{
TActor *a = CArrayGet(&gActors, e->u.ActorImpulse.Id);
a->Vel = Vec2iAdd(a->Vel, e->u.ActorImpulse.Vel);
}
break;
case GAME_EVENT_DAMAGE_CHARACTER:
DamageCharacter(
e->u.DamageCharacter.Power,
e->u.DamageCharacter.PlayerIndex,
CArrayGet(&gActors, e->u.DamageCharacter.TargetId));
if (e->u.DamageCharacter.Power != 0)
{
HUDAddHealthUpdate(
hud,
e->u.DamageCharacter.TargetPlayerIndex,
-e->u.DamageCharacter.Power);
}
break;
case GAME_EVENT_TRIGGER:
{
const Tile *t = MapGetTile(&gMap, e->u.Trigger.TilePos);
for (int i = 0; i < (int)t->triggers.size; i++)
{
Trigger **tp = CArrayGet(&t->triggers, i);
if ((*tp)->id == e->u.Trigger.Id)
{
TriggerActivate(*tp, &gMap.triggers);
break;
}
}
}
break;
case GAME_EVENT_UPDATE_OBJECTIVE:
{
struct Objective *o = CArrayGet(
&gMission.Objectives, e->u.UpdateObjective.ObjectiveIndex);
o->done += e->u.UpdateObjective.Update;
MissionObjective *mo = CArrayGet(
&gMission.missionData->Objectives,
e->u.UpdateObjective.ObjectiveIndex);
switch (mo->Type)
{
case OBJECTIVE_COLLECT:
{
GameEvent e1;
e1.Type = GAME_EVENT_SCORE;
e1.u.Score.PlayerIndex =
e->u.UpdateObjective.PlayerIndex;
e1.u.Score.Score = PICKUP_SCORE;
HandleGameEvent(&e1, hud, shake, hp, eventHandlers);
}
break;
case OBJECTIVE_DESTROY:
{
GameEvent e1;
e1.Type = GAME_EVENT_SCORE;
e1.u.Score.PlayerIndex =
e->u.UpdateObjective.PlayerIndex;
e1.u.Score.Score = OBJECT_SCORE;
HandleGameEvent(&e1, hud, shake, hp, eventHandlers);
}
break;
default:
// No other special objective handling
break;
}
// Display a text update effect for the objective
HUDAddObjectiveUpdate(
hud,
e->u.UpdateObjective.ObjectiveIndex,
e->u.UpdateObjective.Update);
MissionSetMessageIfComplete(&gMission);
}
break;
case GAME_EVENT_MISSION_COMPLETE:
HUDDisplayMessage(hud, "Mission complete", -1);
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;
}
}
