From 4f49bcea8770506b5fc6375c3058d3f75744680d Mon Sep 17 00:00:00 2001 From: gsemaj Date: Wed, 13 Apr 2022 18:01:52 -0400 Subject: [PATCH] (WIP) Move away from rigid states/transitions to allow custom behavior --- src/Combat.cpp | 67 +++------ src/Entities.hpp | 19 +-- src/MobAI.cpp | 360 +++++++++++++++++++++++++---------------------- src/MobAI.hpp | 36 +++-- 4 files changed, 242 insertions(+), 240 deletions(-) diff --git a/src/Combat.cpp b/src/Combat.cpp index 538b425..a7c4e70 100644 --- a/src/Combat.cpp +++ b/src/Combat.cpp @@ -101,62 +101,29 @@ int32_t CombatNPC::getID() { } void CombatNPC::step(time_t currTime) { - if (playersInView < 0) - std::cout << "[WARN] Weird playerview value " << playersInView << std::endl; - - // skip movement and combat if disabled or not in view - if ((!MobAI::simulateMobs || playersInView == 0) && state != AIState::DEAD - && state != AIState::RETREAT) - return; - - switch (state) { - case AIState::INACTIVE: - // no-op - break; - case AIState::ROAMING: - roamingStep(currTime); - break; - case AIState::COMBAT: - combatStep(currTime); - break; - case AIState::RETREAT: - retreatStep(currTime); - break; - case AIState::DEAD: - deadStep(currTime); - break; + + if(stateHandlers.find(state) != stateHandlers.end()) + stateHandlers[state](this, currTime); + else { + std::cout << "[WARN] State " << (int)state << " has no handler; going inactive" << std::endl; + transition(AIState::INACTIVE, id); } } void CombatNPC::transition(AIState newState, EntityRef src) { + state = newState; - switch (newState) { - case AIState::INACTIVE: - onInactive(); - break; - case AIState::ROAMING: - onRoamStart(); - break; - case AIState::COMBAT: - /* TODO: fire any triggered events - for (NPCEvent& event : NPCManager::NPCEvents) - if (event.trigger == ON_COMBAT && event.npcType == type) - event.handler(src, this); - */ - onCombatStart(src); - break; - case AIState::RETREAT: - onRetreat(); - break; - case AIState::DEAD: - /* TODO: fire any triggered events - for (NPCEvent& event : NPCManager::NPCEvents) - if (event.trigger == ON_KILLED && event.npcType == type) - event.handler(src, this); - */ - onDeath(src); - break; + if (transitionHandlers.find(newState) != transitionHandlers.end()) + transitionHandlers[newState](this, src); + else { + std::cout << "[WARN] Transition to " << (int)state << " has no handler; going inactive" << std::endl; + transition(AIState::INACTIVE, id); } + /* TODO: fire any triggered events + for (NPCEvent& event : NPCManager::NPCEvents) + if (event.trigger == ON_KILLED && event.npcType == type) + event.handler(src, this); + */ } static std::pair getDamage(int attackPower, int defensePower, bool shouldCrit, diff --git a/src/Entities.hpp b/src/Entities.hpp index d6423ee..41d9dfd 100644 --- a/src/Entities.hpp +++ b/src/Entities.hpp @@ -6,7 +6,7 @@ #include #include -enum class EntityKind : uint8_t { +enum EntityKind { INVALID, PLAYER, SIMPLE_NPC, @@ -92,7 +92,6 @@ public: virtual bool isAlive() = 0; virtual int getCurrentHP() = 0; virtual int32_t getID() = 0; - virtual void step(time_t currTime) = 0; }; @@ -133,11 +132,17 @@ struct CombatNPC : public BaseNPC, public ICombatant { AIState state = AIState::INACTIVE; int playersInView = 0; // for optimizing away AI in empty chunks + std::map stateHandlers; + std::map transitionHandlers; + CombatNPC(int x, int y, int z, int angle, uint64_t iID, int t, int id, int maxHP) : BaseNPC(angle, iID, t, id), maxHealth(maxHP) { spawnX = x; spawnY = y; spawnZ = z; + + stateHandlers[AIState::INACTIVE] = {}; + transitionHandlers[AIState::INACTIVE] = {}; } virtual bool isExtant() override { return hp > 0; } @@ -147,19 +152,9 @@ struct CombatNPC : public BaseNPC, public ICombatant { virtual bool isAlive() override; virtual int getCurrentHP() override; virtual int32_t getID() override; - virtual void step(time_t currTime) override; - virtual void roamingStep(time_t currTime) {} // no-ops by default - virtual void combatStep(time_t currTime) {} - virtual void retreatStep(time_t currTime) {} - virtual void deadStep(time_t currTime) {} virtual void transition(AIState newState, EntityRef src); - virtual void onInactive() {} // no-ops by default - virtual void onRoamStart() {} - virtual void onCombatStart(EntityRef src) {} - virtual void onRetreat() {} - virtual void onDeath(EntityRef src) {} }; // Mob is in MobAI.hpp, Player is in Player.hpp diff --git a/src/MobAI.cpp b/src/MobAI.cpp index e4be6e5..9453bc7 100644 --- a/src/MobAI.cpp +++ b/src/MobAI.cpp @@ -415,48 +415,71 @@ static void drainMobHP(Mob *mob, int amount) { mob->transition(AIState::DEAD, mob->target); } -void Mob::deadStep(time_t currTime) { +void MobAI::incNextMovement(Mob* mob, time_t currTime) { + if (currTime == 0) + currTime = getTime(); + + int delay = (int)mob->data["m_iDelayTime"] * 1000; + mob->nextMovement = currTime + delay / 2 + Rand::rand(delay / 2); +} + +void Mob::step(time_t currTime) { + if (playersInView < 0) + std::cout << "[WARN] Weird playerview value " << playersInView << std::endl; + + // skip movement and combat if disabled or not in view + if ((!MobAI::simulateMobs || playersInView == 0) && state != AIState::DEAD + && state != AIState::RETREAT) + return; + + // call superclass step + CombatNPC::step(currTime); +} + +void MobAI::deadStep(CombatNPC* npc, time_t currTime) { + Mob* self = (Mob*)npc; + // despawn the mob after a short delay - if (killedTime != 0 && !despawned && currTime - killedTime > 2000) { - despawned = true; + if (self->killedTime != 0 && !self->despawned && currTime - self->killedTime > 2000) { + self->despawned = true; INITSTRUCT(sP_FE2CL_NPC_EXIT, pkt); - pkt.iNPC_ID = id; + pkt.iNPC_ID = self->id; - NPCManager::sendToViewable(this, &pkt, P_FE2CL_NPC_EXIT, sizeof(sP_FE2CL_NPC_EXIT)); + NPCManager::sendToViewable(self, &pkt, P_FE2CL_NPC_EXIT, sizeof(sP_FE2CL_NPC_EXIT)); // if it was summoned, mark it for removal - if (summoned) { + if (self->summoned) { std::cout << "[INFO] Queueing killed summoned mob for removal" << std::endl; - NPCManager::queueNPCRemoval(id); + NPCManager::queueNPCRemoval(self->id); return; } // pre-set spawn coordinates if not marked for removal - x = spawnX; - y = spawnY; - z = spawnZ; + self->x = self->spawnX; + self->y = self->spawnY; + self->z = self->spawnZ; } // to guide their groupmates, group leaders still need to move despite being dead - if (groupLeader == id) - roamingStep(currTime); + if (self->groupLeader == self->id) + roamingStep(self, currTime); - if (killedTime != 0 && currTime - killedTime < regenTime * 100) + if (self->killedTime != 0 && currTime - self->killedTime < self->regenTime * 100) return; - std::cout << "respawning mob " << id << " with HP = " << maxHealth << std::endl; + std::cout << "respawning mob " << self->id << " with HP = " << self->maxHealth << std::endl; - transition(AIState::ROAMING, id); + self->transition(AIState::ROAMING, self->id); // if mob is a group leader/follower, spawn where the group is. - if (groupLeader != 0) { - if (NPCManager::NPCs.find(groupLeader) != NPCManager::NPCs.end() && NPCManager::NPCs[groupLeader]->kind == EntityKind::MOB) { - Mob* leaderMob = (Mob*)NPCManager::NPCs[groupLeader]; - x = leaderMob->x + offsetX; - y = leaderMob->y + offsetY; - z = leaderMob->z; + if (self->groupLeader != 0) { + if (NPCManager::NPCs.find(self->groupLeader) != NPCManager::NPCs.end() && NPCManager::NPCs[self->groupLeader]->kind == EntityKind::MOB) { + Mob* leaderMob = (Mob*)NPCManager::NPCs[self->groupLeader]; + self->x = leaderMob->x + self->offsetX; + self->y = leaderMob->y + self->offsetY; + self->z = leaderMob->z; } else { std::cout << "[WARN] deadStep: mob cannot find it's leader!" << std::endl; } @@ -464,162 +487,157 @@ void Mob::deadStep(time_t currTime) { INITSTRUCT(sP_FE2CL_NPC_NEW, pkt); - pkt.NPCAppearanceData = getAppearanceData(); + pkt.NPCAppearanceData = self->getAppearanceData(); // notify all nearby players - NPCManager::sendToViewable(this, &pkt, P_FE2CL_NPC_NEW, sizeof(sP_FE2CL_NPC_NEW)); + NPCManager::sendToViewable(self, &pkt, P_FE2CL_NPC_NEW, sizeof(sP_FE2CL_NPC_NEW)); } -void Mob::combatStep(time_t currTime) { - assert(target != nullptr); +void MobAI::combatStep(CombatNPC* npc, time_t currTime) { + Mob* self = (Mob*)npc; + assert(self->target != nullptr); // lose aggro if the player lost connection - if (PlayerManager::players.find(target) == PlayerManager::players.end()) { - if (!MobAI::aggroCheck(this, getTime())) - transition(AIState::RETREAT, target); + if (PlayerManager::players.find(self->target) == PlayerManager::players.end()) { + if (!MobAI::aggroCheck(self, getTime())) + self->transition(AIState::RETREAT, self->target); return; } - Player *plr = PlayerManager::getPlayer(target); + Player *plr = PlayerManager::getPlayer(self->target); // lose aggro if the player became invulnerable or died if (plr->HP <= 0 || (plr->iSpecialState & CN_SPECIAL_STATE_FLAG__INVULNERABLE)) { - if (!MobAI::aggroCheck(this, getTime())) - transition(AIState::RETREAT, target); + if (!MobAI::aggroCheck(self, getTime())) + self->transition(AIState::RETREAT, self->target); return; } // drain - if (skillStyle < 0 && (lastDrainTime == 0 || currTime - lastDrainTime >= 1000) - && cbf & CSB_BIT_BOUNDINGBALL) { - drainMobHP(this, maxHealth / 20); // lose 5% every second - lastDrainTime = currTime; + if (self->skillStyle < 0 && (self->lastDrainTime == 0 || currTime - self->lastDrainTime >= 1000) + && self->cbf & CSB_BIT_BOUNDINGBALL) { + drainMobHP(self, self->maxHealth / 20); // lose 5% every second + self->lastDrainTime = currTime; } // if drain killed the mob, return early - if (hp <= 0) + if (self->hp <= 0) return; // unbuffing - std::unordered_map::iterator it = unbuffTimes.begin(); - while (it != unbuffTimes.end()) { + std::unordered_map::iterator it = self->unbuffTimes.begin(); + while (it != self->unbuffTimes.end()) { if (currTime >= it->second) { - cbf &= ~it->first; + self->cbf &= ~it->first; INITSTRUCT(sP_FE2CL_CHAR_TIME_BUFF_TIME_OUT, pkt1); pkt1.eCT = 2; - pkt1.iID = id; - pkt1.iConditionBitFlag = cbf; - NPCManager::sendToViewable(this, &pkt1, P_FE2CL_CHAR_TIME_BUFF_TIME_OUT, sizeof(sP_FE2CL_CHAR_TIME_BUFF_TIME_OUT)); + pkt1.iID = self->id; + pkt1.iConditionBitFlag = self->cbf; + NPCManager::sendToViewable(self, &pkt1, P_FE2CL_CHAR_TIME_BUFF_TIME_OUT, sizeof(sP_FE2CL_CHAR_TIME_BUFF_TIME_OUT)); - it = unbuffTimes.erase(it); + it = self->unbuffTimes.erase(it); } else { it++; } } // skip attack if stunned or asleep - if (cbf & (CSB_BIT_STUN|CSB_BIT_MEZ)) { - skillStyle = -1; // in this case we also reset the any outlying abilities the mob might be winding up. + if (self->cbf & (CSB_BIT_STUN|CSB_BIT_MEZ)) { + self->skillStyle = -1; // in this case we also reset the any outlying abilities the mob might be winding up. return; } - int distance = hypot(plr->x - x, plr->y - y); - int mobRange = (int)data["m_iAtkRange"] + (int)data["m_iRadius"]; + int distance = hypot(plr->x - self->x, plr->y - self->y); + int mobRange = (int)self->data["m_iAtkRange"] + (int)self->data["m_iRadius"]; - if (currTime >= nextAttack) { - if (skillStyle != -1 || distance <= mobRange || Rand::rand(20) == 0) // while not in attack range, 1 / 20 chance. - useAbilities(this, currTime); - if (target == nullptr) + if (currTime >= self->nextAttack) { + if (self->skillStyle != -1 || distance <= mobRange || Rand::rand(20) == 0) // while not in attack range, 1 / 20 chance. + useAbilities(self, currTime); + if (self->target == nullptr) return; } int distanceToTravel = INT_MAX; // movement logic: move when out of range but don't move while casting a skill - if (distance > mobRange && skillStyle == -1) { - if (nextMovement != 0 && currTime < nextMovement) + if (distance > mobRange && self->skillStyle == -1) { + if (self->nextMovement != 0 && currTime < self->nextMovement) return; - nextMovement = currTime + 400; - if (currTime >= nextAttack) - nextAttack = 0; + self->nextMovement = currTime + 400; + if (currTime >= self->nextAttack) + self->nextAttack = 0; // halve movement speed if snared - if (cbf & CSB_BIT_DN_MOVE_SPEED) - speed /= 2; + if (self->cbf & CSB_BIT_DN_MOVE_SPEED) + self->speed /= 2; int targetX = plr->x; int targetY = plr->y; - if (groupLeader != 0) { - targetX += offsetX*distance/(idleRange + 1); - targetY += offsetY*distance/(idleRange + 1); + if (self->groupLeader != 0) { + targetX += self->offsetX*distance/(self->idleRange + 1); + targetY += self->offsetY*distance/(self->idleRange + 1); } - distanceToTravel = std::min(distance-mobRange+1, speed*2/5); - auto targ = lerp(x, y, targetX, targetY, distanceToTravel); - if (distanceToTravel < speed*2/5 && currTime >= nextAttack) - nextAttack = 0; + distanceToTravel = std::min(distance-mobRange+1, self->speed*2/5); + auto targ = lerp(self->x, self->y, targetX, targetY, distanceToTravel); + if (distanceToTravel < self->speed*2/5 && currTime >= self->nextAttack) + self->nextAttack = 0; - NPCManager::updateNPCPosition(id, targ.first, targ.second, z, instanceID, angle); + NPCManager::updateNPCPosition(self->id, targ.first, targ.second, self->z, self->instanceID, self->angle); INITSTRUCT(sP_FE2CL_NPC_MOVE, pkt); - pkt.iNPC_ID = id; - pkt.iSpeed = speed; - pkt.iToX = x = targ.first; - pkt.iToY = y = targ.second; + pkt.iNPC_ID = self->id; + pkt.iSpeed = self->speed; + pkt.iToX = self->x = targ.first; + pkt.iToY = self->y = targ.second; pkt.iToZ = plr->z; pkt.iMoveStyle = 1; // notify all nearby players - NPCManager::sendToViewable(this, &pkt, P_FE2CL_NPC_MOVE, sizeof(sP_FE2CL_NPC_MOVE)); + NPCManager::sendToViewable(self, &pkt, P_FE2CL_NPC_MOVE, sizeof(sP_FE2CL_NPC_MOVE)); } /* attack logic * 2/5 represents 400 ms which is the time interval mobs use per movement logic step * if the mob is one move interval away, we should just start attacking anyways. */ - if (distance <= mobRange || distanceToTravel < speed*2/5) { - if (nextAttack == 0 || currTime >= nextAttack) { - nextAttack = currTime + (int)data["m_iDelayTime"] * 100; - Combat::npcAttackPc(this, currTime); + if (distance <= mobRange || distanceToTravel < self->speed*2/5) { + if (self->nextAttack == 0 || currTime >= self->nextAttack) { + self->nextAttack = currTime + (int)self->data["m_iDelayTime"] * 100; + Combat::npcAttackPc(self, currTime); } } // retreat if the player leaves combat range - int xyDistance = hypot(plr->x - roamX, plr->y - roamY); - distance = hypot(xyDistance, plr->z - roamZ); - if (distance >= data["m_iCombatRange"]) { - transition(AIState::RETREAT, target); + int xyDistance = hypot(plr->x - self->roamX, plr->y - self->roamY); + distance = hypot(xyDistance, plr->z - self->roamZ); + if (distance >= self->data["m_iCombatRange"]) { + self->transition(AIState::RETREAT, self->target); } } -void MobAI::incNextMovement(Mob *mob, time_t currTime) { - if (currTime == 0) - currTime = getTime(); +void MobAI::roamingStep(CombatNPC* npc, time_t currTime) { + Mob* self = (Mob*)npc; - int delay = (int)mob->data["m_iDelayTime"] * 1000; - mob->nextMovement = currTime + delay/2 + Rand::rand(delay/2); -} - -void Mob::roamingStep(time_t currTime) { /* * We reuse nextAttack to avoid scanning for players all the time, but to still * do so more often than if we waited for nextMovement (which is way too slow). * In the case of group leaders, this step will be called by dead mobs, so disable attack. */ - if (state != AIState::DEAD && (nextAttack == 0 || currTime >= nextAttack)) { - nextAttack = currTime + 500; - if (aggroCheck(this, currTime)) + if (self->state != AIState::DEAD && (self->nextAttack == 0 || currTime >= self->nextAttack)) { + self->nextAttack = currTime + 500; + if (aggroCheck(self, currTime)) return; } // no random roaming if the mob already has a set path - if (staticPath) + if (self->staticPath) return; - if (groupLeader != 0 && groupLeader != id) // don't roam by yourself without group leader + if (self->groupLeader != 0 && self->groupLeader != self->id) // don't roam by yourself without group leader return; /* @@ -627,151 +645,157 @@ void Mob::roamingStep(time_t currTime) { * Transport::stepNPCPathing() (which ticks at a higher frequency than nextMovement), * so we don't have to check if there's already entries in the queue since we know there won't be. */ - if (nextMovement != 0 && currTime < nextMovement) + if (self->nextMovement != 0 && currTime < self->nextMovement) return; - incNextMovement(this, currTime); + incNextMovement(self, currTime); - int xStart = spawnX - idleRange/2; - int yStart = spawnY - idleRange/2; + int xStart = self->spawnX - self->idleRange/2; + int yStart = self->spawnY - self->idleRange/2; // some mobs don't move (and we mustn't divide/modulus by zero) - if (idleRange == 0 || speed == 0) + if (self->idleRange == 0 || self->speed == 0) return; int farX, farY, distance; - int minDistance = idleRange / 2; + int minDistance = self->idleRange / 2; // pick a random destination - farX = xStart + Rand::rand(idleRange); - farY = yStart + Rand::rand(idleRange); + farX = xStart + Rand::rand(self->idleRange); + farY = yStart + Rand::rand(self->idleRange); - distance = std::abs(std::max(farX - x, farY - y)); + distance = std::abs(std::max(farX - self->x, farY - self->y)); if (distance == 0) distance += 1; // hack to avoid FPE // if it's too short a walk, go further in that direction - farX = x + (farX - x) * minDistance / distance; - farY = y + (farY - y) * minDistance / distance; + farX = self->x + (farX - self->x) * minDistance / distance; + farY = self->y + (farY - self->y) * minDistance / distance; // but don't got out of bounds - farX = std::clamp(farX, xStart, xStart + idleRange); - farY = std::clamp(farY, yStart, yStart + idleRange); + farX = std::clamp(farX, xStart, xStart + self->idleRange); + farY = std::clamp(farY, yStart, yStart + self->idleRange); // halve movement speed if snared - if (cbf & CSB_BIT_DN_MOVE_SPEED) - speed /= 2; + if (self->cbf & CSB_BIT_DN_MOVE_SPEED) + self->speed /= 2; std::queue queue; - Vec3 from = { x, y, z }; - Vec3 to = { farX, farY, z }; + Vec3 from = { self->x, self->y, self->z }; + Vec3 to = { farX, farY, self->z }; // add a route to the queue; to be processed in Transport::stepNPCPathing() - Transport::lerp(&queue, from, to, speed); - Transport::NPCQueues[id] = queue; + Transport::lerp(&queue, from, to, self->speed); + Transport::NPCQueues[self->id] = queue; - if (groupLeader != 0 && groupLeader == id) { + if (self->groupLeader != 0 && self->groupLeader == self->id) { // make followers follow this npc. for (int i = 0; i < 4; i++) { - if (groupMember[i] == 0) + if (self->groupMember[i] == 0) break; - if (NPCManager::NPCs.find(groupMember[i]) == NPCManager::NPCs.end() || NPCManager::NPCs[groupMember[i]]->kind != EntityKind::MOB) { + if (NPCManager::NPCs.find(self->groupMember[i]) == NPCManager::NPCs.end() || NPCManager::NPCs[self->groupMember[i]]->kind != EntityKind::MOB) { std::cout << "[WARN] roamingStep: leader can't find a group member!" << std::endl; continue; } std::queue queue2; - Mob* followerMob = (Mob*)NPCManager::NPCs[groupMember[i]]; + Mob* followerMob = (Mob*)NPCManager::NPCs[self->groupMember[i]]; from = { followerMob->x, followerMob->y, followerMob->z }; to = { farX + followerMob->offsetX, farY + followerMob->offsetY, followerMob->z }; - Transport::lerp(&queue2, from, to, speed); + Transport::lerp(&queue2, from, to, self->speed); Transport::NPCQueues[followerMob->id] = queue2; } } } -void Mob::retreatStep(time_t currTime) { - if (nextMovement != 0 && currTime < nextMovement) +void MobAI::retreatStep(CombatNPC* npc, time_t currTime) { + Mob* self = (Mob*)npc; + + if (self->nextMovement != 0 && currTime < self->nextMovement) return; - nextMovement = currTime + 400; + self->nextMovement = currTime + 400; // distance between spawn point and current location - int distance = hypot(x - roamX, y - roamY); + int distance = hypot(self->x - self->roamX, self->y - self->roamY); //if (distance > mob->data["m_iIdleRange"]) { if (distance > 10) { INITSTRUCT(sP_FE2CL_NPC_MOVE, pkt); - auto targ = lerp(x, y, roamX, roamY, (int)speed*4/5); + auto targ = lerp(self->x, self->y, self->roamX, self->roamY, (int)self->speed*4/5); - pkt.iNPC_ID = id; - pkt.iSpeed = (int)speed * 2; - pkt.iToX = x = targ.first; - pkt.iToY = y = targ.second; - pkt.iToZ = z = spawnZ; + pkt.iNPC_ID = self->id; + pkt.iSpeed = (int)self->speed * 2; + pkt.iToX = self->x = targ.first; + pkt.iToY = self->y = targ.second; + pkt.iToZ = self->z = self->spawnZ; pkt.iMoveStyle = 1; // notify all nearby players - NPCManager::sendToViewable(this, &pkt, P_FE2CL_NPC_MOVE, sizeof(sP_FE2CL_NPC_MOVE)); + NPCManager::sendToViewable(self, &pkt, P_FE2CL_NPC_MOVE, sizeof(sP_FE2CL_NPC_MOVE)); } // if we got there //if (distance <= mob->data["m_iIdleRange"]) { if (distance <= 10) { // retreat back to the spawn point - transition(AIState::ROAMING, id); + self->transition(AIState::ROAMING, self->id); } } -void Mob::onInactive() { - // no-op -} +void MobAI::onRoamStart(CombatNPC* npc, EntityRef src) { + Mob* self = (Mob*)npc; -void Mob::onRoamStart() { - hp = maxHealth; - killedTime = 0; - nextAttack = 0; - cbf = 0; + self->hp = self->maxHealth; + self->killedTime = 0; + self->nextAttack = 0; + self->cbf = 0; // cast a return home heal spell, this is the right way(tm) std::vector targetData = { 1, 0, 0, 0, 0 }; for (auto& pwr : Abilities::Powers) if (pwr.skillType == Abilities::SkillTable[110].skillType) - pwr.handle(id, targetData, 110, Abilities::SkillTable[110].durationTime[0], Abilities::SkillTable[110].powerIntensity[0]); + pwr.handle(self->id, targetData, 110, Abilities::SkillTable[110].durationTime[0], Abilities::SkillTable[110].powerIntensity[0]); // clear outlying debuffs - clearDebuff(this); + clearDebuff(self); } -void Mob::onCombatStart(EntityRef src) { +void MobAI::onCombatStart(CombatNPC* npc, EntityRef src) { + Mob* self = (Mob*)npc; + assert(src.kind == EntityKind::PLAYER); - target = src.sock; - nextMovement = getTime(); - nextAttack = 0; + self->target = src.sock; + self->nextMovement = getTime(); + self->nextAttack = 0; - roamX = x; - roamY = y; - roamZ = z; + self->roamX = self->x; + self->roamY = self->y; + self->roamZ = self->z; - int skillID = (int)data["m_iPassiveBuff"]; // cast passive - std::vector targetData = { 1, id, 0, 0, 0 }; + int skillID = (int)self->data["m_iPassiveBuff"]; // cast passive + std::vector targetData = { 1, self->id, 0, 0, 0 }; for (auto& pwr : Abilities::Powers) if (pwr.skillType == Abilities::SkillTable[skillID].skillType) - pwr.handle(id, targetData, skillID, Abilities::SkillTable[skillID].durationTime[0], Abilities::SkillTable[skillID].powerIntensity[0]); + pwr.handle(self->id, targetData, skillID, Abilities::SkillTable[skillID].durationTime[0], Abilities::SkillTable[skillID].powerIntensity[0]); } -void Mob::onRetreat() { - target = nullptr; - MobAI::clearDebuff(this); - if (groupLeader != 0) - MobAI::groupRetreat(this); +void MobAI::onRetreat(CombatNPC* npc, EntityRef src) { + Mob* self = (Mob*)npc; + + self->target = nullptr; + MobAI::clearDebuff(self); + if (self->groupLeader != 0) + MobAI::groupRetreat(self); } -void Mob::onDeath(EntityRef src) { - target = nullptr; - cbf = 0; - skillStyle = -1; - unbuffTimes.clear(); - killedTime = getTime(); // XXX: maybe introduce a shard-global time for each step? +void MobAI::onDeath(CombatNPC* npc, EntityRef src) { + Mob* self = (Mob*)npc; + + self->target = nullptr; + self->cbf = 0; + self->skillStyle = -1; + self->unbuffTimes.clear(); + self->killedTime = getTime(); // XXX: maybe introduce a shard-global time for each step? // check for the edge case where hitting the mob did not aggro it if (src.kind == EntityKind::PLAYER && src.isValid()) { @@ -787,8 +811,8 @@ void Mob::onDeath(EntityRef src) { Combat::genQItemRolls(leader, qitemRolls); if (plr->groupCnt == 1 && plr->iIDGroup == plr->iID) { - Items::giveMobDrop(src.sock, this, rolled, eventRolled); - Missions::mobKilled(src.sock, type, qitemRolls); + Items::giveMobDrop(src.sock, self, rolled, eventRolled); + Missions::mobKilled(src.sock, self->type, qitemRolls); } else { for (int i = 0; i < leader->groupCnt; i++) { @@ -803,21 +827,21 @@ void Mob::onDeath(EntityRef src) { if (dist > 5000) continue; - Items::giveMobDrop(sockTo, this, rolled, eventRolled); - Missions::mobKilled(sockTo, type, qitemRolls); + Items::giveMobDrop(sockTo, self, rolled, eventRolled); + Missions::mobKilled(sockTo, self->type, qitemRolls); } } } // delay the despawn animation - despawned = false; + self->despawned = false; - auto it = Transport::NPCQueues.find(id); + auto it = Transport::NPCQueues.find(self->id); if (it == Transport::NPCQueues.end() || it->second.empty()) return; // rewind or empty the movement queue - if (staticPath) { + if (self->staticPath) { /* * This is inelegant, but we wind forward in the path until we find the point that * corresponds with the Mob's spawn point. @@ -825,12 +849,12 @@ void Mob::onDeath(EntityRef src) { * IMPORTANT: The check in TableData::loadPaths() must pass or else this will loop forever. */ auto& queue = it->second; - for (auto point = queue.front(); point.x != spawnX || point.y != spawnY; point = queue.front()) { + for (auto point = queue.front(); point.x != self->spawnX || point.y != self->spawnY; point = queue.front()) { queue.pop(); queue.push(point); } } else { - Transport::NPCQueues.erase(id); + Transport::NPCQueues.erase(self->id); } } diff --git a/src/MobAI.hpp b/src/MobAI.hpp index 8b59b2f..45a768a 100644 --- a/src/MobAI.hpp +++ b/src/MobAI.hpp @@ -4,6 +4,20 @@ #include "NPCManager.hpp" #include "Entities.hpp" +/* kill me */ +struct Mob; +namespace MobAI { + void deadStep(CombatNPC* self, time_t currTime); + void combatStep(CombatNPC* self, time_t currTime); + void roamingStep(CombatNPC* self, time_t currTime); + void retreatStep(CombatNPC* self, time_t currTime); + + void onRoamStart(CombatNPC* self, EntityRef src); + void onCombatStart(CombatNPC* self, EntityRef src); + void onRetreat(CombatNPC* self, EntityRef src); + void onDeath(CombatNPC* self, EntityRef src); +} + struct Mob : public CombatNPC { // general std::unordered_map unbuffTimes = {}; @@ -61,6 +75,17 @@ struct Mob : public CombatNPC { hp = maxHealth; kind = EntityKind::MOB; + + // AI + stateHandlers[AIState::DEAD] = MobAI::deadStep; + stateHandlers[AIState::COMBAT] = MobAI::combatStep; + stateHandlers[AIState::ROAMING] = MobAI::roamingStep; + stateHandlers[AIState::RETREAT] = MobAI::retreatStep; + + transitionHandlers[AIState::DEAD] = MobAI::onDeath; + transitionHandlers[AIState::COMBAT] = MobAI::onCombatStart; + transitionHandlers[AIState::ROAMING] = MobAI::onRoamStart; + transitionHandlers[AIState::RETREAT] = MobAI::onRetreat; } // constructor for /summon @@ -71,16 +96,7 @@ struct Mob : public CombatNPC { ~Mob() {} - virtual void roamingStep(time_t currTime) override; - virtual void combatStep(time_t currTime) override; - virtual void retreatStep(time_t currTime) override; - virtual void deadStep(time_t currTime) override; - - virtual void onInactive() override; - virtual void onRoamStart() override; - virtual void onCombatStart(EntityRef src) override; - virtual void onRetreat() override; - virtual void onDeath(EntityRef src) override; + virtual void step(time_t currTime) override; auto operator[](std::string s) { return data[s];