feat: add clearBadOmen and tickOmen to Raid

core/src/Raid.cpp

@@ -158,3 +158,165 @@ void grantHeroOfTheVillage(OmenState& omen, int level, int durationTicks) {
     }
 }
 
+void clearBadOmen(OmenState& omen) {
+    omen.level = 0;
+    omen.ticksRemaining = 0;
+}
+
+void tickOmen(OmenState& omen, int ticks) {
+    if (ticks <= 0) return;
+    if (omen.ticksRemaining > 0) {
+        omen.ticksRemaining -= ticks;
+        if (omen.ticksRemaining <= 0) {
+            omen.ticksRemaining = 0;
+            omen.level = 0;
+        }
+    }
+    if (omen.heroTicksRemaining > 0) {
+        omen.heroTicksRemaining -= ticks;
+        if (omen.heroTicksRemaining <= 0) {
+            omen.heroTicksRemaining = 0;
+            omen.heroLevel = 0;
+        }
+    }
+}
+
+const char* raidStateName(RaidState state) {
+    switch (state) {
+        case RaidState::Inactive: return "inactive";
+        case RaidState::Spawning: return "spawning";
+        case RaidState::Fighting: return "fighting";
+        case RaidState::Victory: return "victory";
+        case RaidState::Defeat: return "defeat";
+        case RaidState::Count: break;
+    }
+    return "unknown";
+}
+
+int golemCapFor(int villagerCount) {
+    if (villagerCount < golemMinimumVillagers) return 0;
+    int cap = villagerCount / 4;
+    return cap < 1 ? 1 : cap;
+}
+
+bool tickGolemSpawner(GolemSpawner& spawner, int villagerCount, int ticks) {
+    if (ticks <= 0) return false;
+    if (spawner.golemsAlive >= golemCapFor(villagerCount)) {
+        spawner.cooldownTicks = spawner.intervalTicks;
+        return false;
+    }
+    spawner.cooldownTicks -= ticks;
+    if (spawner.cooldownTicks > 0) return false;
+    spawner.cooldownTicks = spawner.intervalTicks;
+    ++spawner.golemsAlive;
+    ++spawner.spawnedTotal;
+    return true;
+}
+
+void updateGolemHostility(GolemSpawner& spawner, const ReputationView& reputation) {
+    spawner.hostileToPlayer = reputation.golemHostile();
+}
+
+RaidManager::RaidManager(const Vec3i& center, uint32_t seed, int difficulty)
+    : villageCenter(center), centerStand(center), seed(seed), difficulty(difficulty) {}
+
+bool RaidManager::tryStart(OmenState& omen, const Vec3& playerPos, float villageRadius) {
+    if (raidState != RaidState::Inactive) return false;
+    if (!omen.hasBadOmen()) return false;
+    if (horizontalDistance(playerPos, cellCentre(villageCenter)) > villageRadius) return false;
+
+    omenLevel = omen.level;
+    waves = raidWaveCount(difficulty);
+    waveIdx = 0;
+    waveTicks = 0;
+    clearedTicks = 0;
+    elapsed = 0;
+    spawned = 0;
+    lostVillagers = 0;
+    attackers.clear();
+    golemHealth.clear();
+    spawner = GolemSpawner{};
+    raidState = RaidState::Spawning;
+    clearBadOmen(omen);
+    return true;
+}
+
+int RaidManager::livingRaiders() const {
+    int count = 0;
+    for (const Raider& attacker : attackers)
+        if (attacker.alive) ++count;
+    return count;
+}
+
+bool RaidManager::damageRaider(int index, float amount) {
+    if (index < 0 || index >= static_cast<int>(attackers.size())) return false;
+    Raider& attacker = attackers[index];
+    if (!attacker.alive) return false;
+    attacker.health -= amount;
+    if (attacker.health > 0.0f) return false;
+    attacker.health = 0.0f;
+    attacker.alive = false;
+    return true;
+}
+
+void RaidManager::spawnWave(const World& world, const PathConfig& config) {
+    currentWave = planRaidWave(waveIdx, omenLevel, difficulty);
+    int count = currentWave.total();
+    uint32_t rng = seed ^ (static_cast<uint32_t>(waveIdx + 1) * 0x85ebca6bu);
+
+    for (int slot = 0; slot < count; ++slot) {
+        Raider attacker;
+        attacker.id = spawned++;
+        attacker.kind = kindForSlot(currentWave, slot);
+        attacker.wave = waveIdx;
+        const Raider::Stats& stats = raiderStats(attacker.kind);
+        attacker.health = stats.maxHealth;
+        attacker.attackCooldown = static_cast<int>(nextRandom(rng) % 8u);
+
+        float angle = 6.2831853f * static_cast<float>(slot) / static_cast<float>(count) +
+                      static_cast<float>(waveIdx) * 0.37f;
+        Vec3i column{villageCenter.x + static_cast<int>(std::lround(std::cos(angle) * raidSpawnRadius)),
+                     villageCenter.y,
+                     villageCenter.z + static_cast<int>(std::lround(std::sin(angle) * raidSpawnRadius))};
+        Vec3i spawnCell;
+        standableNear(world, column, 8, config, spawnCell);
+        attacker.position = cellCentre(spawnCell);
+        attacker.path = findPath(world, spawnCell, centerStand, config);
+        attacker.pathCursor = 0;
+        attackers.push_back(std::move(attacker));
+    }
+}
+
+// Raiders follow their route to the bell, then hunt down whoever is left.
+void RaidManager::moveRaiders(const std::vector<Villager>& villagers) {
+    for (Raider& attacker : attackers) {
+        if (!attacker.alive) continue;
+        const Raider::Stats& stats = raiderStats(attacker.kind);
+        if (!attacker.path.empty() &&
+            attacker.pathCursor < static_cast<int>(attacker.path.size()) - 1) {
+            advanceAlong(attacker.position, attacker.path, attacker.pathCursor, stats.speed,
+                         raidTickSeconds);
+            continue;
+        }
+
+        Vec3 target = cellCentre(centerStand);
+        float bestDistance = 0.0f;
+        bool found = false;
+        for (const Villager& villager : villagers) {
+            if (!villager.alive) continue;
+            float distance = horizontalDistance(attacker.position, villager.body.position);
+            if (!found || distance < bestDistance) {
+                target = villager.body.position;
+                bestDistance = distance;
+                found = true;
+            }
+        }
+
+        Vec3 delta = target - attacker.position;
+        float remaining = length(delta);
+        float budget = stats.speed * raidTickSeconds;
+        if (remaining <= budget) attacker.position = target;
+        else attacker.position += normalize(delta) * budget;
+    }
+}
+