void BehaviorStandard::checkMoveStateStance() {
// If the enemy is capable of fleeing and is at a safe distance, have it hold its position instead of moving
if (hero_dist >= e->stats.threat_range/2 && e->stats.chance_flee > 0 && e->stats.waypoints.empty()) return;
if ((target_dist > e->stats.melee_range && percentChance(e->stats.chance_pursue)) || fleeing) {
if (e->move()) {
e->stats.cur_state = ENEMY_MOVE;
}
else {
collided = true;
if (fleeing || move_to_safe_dist) {
fleeing = false;
move_to_safe_dist = false;
}
else {
unsigned char prev_direction = e->stats.direction;
// hit an obstacle, try the next best angle
e->stats.direction = e->faceNextBest(pursue_pos.x, pursue_pos.y);
if (e->move()) {
e->stats.cur_state = ENEMY_MOVE;
}
else
e->stats.direction = prev_direction;
}
}
}
}
void BehaviorStandard::checkMoveStateStance() {
// If the enemy is capable of fleeing and is at a safe distance, have it hold its position instead of moving
if (hero_dist >= e->stats.threat_range/2 && e->stats.chance_flee > 0) return;
if ((hero_dist > e->stats.melee_range && percentChance(e->stats.chance_pursue)) || fleeing) {
if (e->move()) {
e->newState(ENEMY_MOVE);
}
else {
int prev_direction = e->stats.direction;
// hit an obstacle, try the next best angle
e->stats.direction = e->faceNextBest(pursue_pos.x, pursue_pos.y);
if (e->move()) {
e->newState(ENEMY_MOVE);
}
else e->stats.direction = prev_direction;
}
}
}
/**
* Perform miscellaneous state-based actions.
* 1) Set animations and sound effects
* 2) Return to the default state (Stance) when actions are complete
*/
void BehaviorStandard::updateState() {
// stunned enemies can't act
if (e->stats.effects.stun) return;
int power_id;
int power_state;
// continue current animations
e->activeAnimation->advanceFrame();
switch (e->stats.cur_state) {
case ENEMY_STANCE:
e->setAnimation("stance");
break;
case ENEMY_MOVE:
e->setAnimation("run");
break;
case ENEMY_POWER:
power_id = e->stats.power_index[e->stats.activated_powerslot];
power_state = powers->powers[power_id].new_state;
// animation based on power type
if (power_state == POWSTATE_INSTANT) e->instant_power = true;
else if (power_state == POWSTATE_ATTACK) e->setAnimation(powers->powers[power_id].attack_anim);
// sound effect based on power type
if (e->activeAnimation->isFirstFrame()) {
if (powers->powers[power_id].attack_anim == "swing" || powers->powers[power_id].attack_anim == "shoot") e->play_sfx_phys = true;
else if (powers->powers[power_id].attack_anim == "cast") e->play_sfx_ment = true;
}
if (e->activeAnimation->isLastFrame() || (power_state == POWSTATE_ATTACK && e->activeAnimation->getName() != powers->powers[power_id].attack_anim))
e->newState(ENEMY_STANCE);
break;
case ENEMY_SPAWN:
e->setAnimation("spawn");
//the second check is needed in case the entity does not have a spawn animation
if (e->activeAnimation->isLastFrame() || e->activeAnimation->getName() != "spawn") {
e->newState(ENEMY_STANCE);
}
break;
case ENEMY_BLOCK:
e->setAnimation("block");
break;
case ENEMY_HIT:
e->setAnimation("hit");
if (e->activeAnimation->isFirstFrame()) {
e->stats.effects.triggered_hit = true;
}
if (e->activeAnimation->isLastFrame() || e->activeAnimation->getName() != "hit")
e->newState(ENEMY_STANCE);
break;
case ENEMY_DEAD:
if (e->stats.effects.triggered_death) break;
e->setAnimation("die");
if (e->activeAnimation->isFirstFrame()) {
e->play_sfx_die = true;
e->stats.corpse_ticks = CORPSE_TIMEOUT;
e->stats.effects.clearEffects();
}
if (e->activeAnimation->isSecondLastFrame()) {
if (percentChance(e->stats.power_chance[ON_DEATH]))
powers->activate(e->stats.power_index[ON_DEATH], &e->stats, e->stats.pos);
}
if (e->activeAnimation->isLastFrame() || e->activeAnimation->getName() != "die") {
// puts renderable under object layer
e->stats.corpse = true;
//allow free movement over the corpse
mapr->collider.unblock(e->stats.pos.x, e->stats.pos.y);
// remove corpses that land on blocked tiles, such as water or pits
if (!mapr->collider.is_valid_position(e->stats.pos.x, e->stats.pos.y, MOVEMENT_NORMAL, false)) {
e->stats.corpse_ticks = 0;
}
// prevent "jumping" when rendering
alignFPoint(&e->stats.pos);
}
break;
case ENEMY_CRITDEAD:
e->setAnimation("critdie");
if (e->activeAnimation->isFirstFrame()) {
e->play_sfx_critdie = true;
e->stats.corpse_ticks = CORPSE_TIMEOUT;
e->stats.effects.clearEffects();
}
if (e->activeAnimation->isSecondLastFrame()) {
if (percentChance(e->stats.power_chance[ON_DEATH]))
powers->activate(e->stats.power_index[ON_DEATH], &e->stats, e->stats.pos);
}
if (e->activeAnimation->isLastFrame() || e->activeAnimation->getName() != "critdie") {
// puts renderable under object layer
e->stats.corpse = true;
//allow free movement over the corpse
mapr->collider.unblock(e->stats.pos.x, e->stats.pos.y);
// prevent "jumping" when rendering
alignFPoint(&e->stats.pos);
}
break;
default:
break;
}
}
/**
* Check state changes related to movement
*/
void BehaviorStandard::checkMove() {
// dying enemies can't move
if (e->stats.cur_state == ENEMY_DEAD || e->stats.cur_state == ENEMY_CRITDEAD) return;
// stunned enemies can't act
if (e->stats.effects.stun) return;
// handle not being in combat and (not patrolling waypoints or waiting at waypoint)
if (!e->stats.hero_ally && !e->stats.in_combat && (e->stats.waypoints.empty() || e->stats.waypoint_pause_ticks > 0)) {
if (e->stats.cur_state == ENEMY_MOVE) {
e->newState(ENEMY_STANCE);
}
// currently enemies only move while in combat or patrolling
return;
}
// clear current space to allow correct movement
mapr->collider.unblock(e->stats.pos.x, e->stats.pos.y);
// update direction
if (e->stats.facing) {
if (++e->stats.turn_ticks > e->stats.turn_delay) {
// if blocked, face in pathfinder direction instead
if (!mapr->collider.line_of_movement(e->stats.pos.x, e->stats.pos.y, pursue_pos.x, pursue_pos.y, e->stats.movement_type)) {
// if a path is returned, target first waypoint
bool recalculate_path = false;
//if theres no path, it needs to be calculated
if(path.empty())
recalculate_path = true;
//if the target moved more than 1 tile away, recalculate
if(calcDist(map_to_collision(prev_target), map_to_collision(pursue_pos)) > 1.f)
recalculate_path = true;
//if a collision ocurred then recalculate
if(collided)
recalculate_path = true;
//add a 5% chance to recalculate on every frame. This prevents reclaulating lots of entities in the same frame
chance_calc_path += 5;
if(percentChance(chance_calc_path))
recalculate_path = true;
//dont recalculate if we were blocked and no path was found last time
//this makes sure that pathfinding calculation is not spammed when the target is unreachable and the entity is as close as its going to get
if(!path_found && collided && !percentChance(chance_calc_path))
recalculate_path = false;
else//reset the collision flag only if we dont want the cooldown in place
collided = false;
prev_target = pursue_pos;
// target first waypoint
if(recalculate_path) {
chance_calc_path = -100;
path.clear();
path_found = mapr->collider.compute_path(e->stats.pos, pursue_pos, path, e->stats.movement_type);
}
if(!path.empty()) {
pursue_pos = path.back();
//if distance to node is lower than a tile size, the node is going to be passed and can be removed
if(calcDist(e->stats.pos, pursue_pos) <= 1.f)
path.pop_back();
}
}
else {
path.clear();
}
if(fleeing)
e->stats.direction = calcDirection(pursue_pos, e->stats.pos);
else
e->stats.direction = calcDirection(e->stats.pos, pursue_pos);
e->stats.turn_ticks = 0;
}
}
// try to start moving
if (e->stats.cur_state == ENEMY_STANCE) {
checkMoveStateStance();
}
// already moving
else if (e->stats.cur_state == ENEMY_MOVE) {
checkMoveStateMove();
}
// if patrolling waypoints and has reached a waypoint, cycle to the next one
if (!e->stats.waypoints.empty()) {
FPoint waypoint = e->stats.waypoints.front();
FPoint pos = e->stats.pos;
// if the patroller is close to the waypoint
if (fabs(waypoint.x - pos.x) <= 0.5f && fabs(waypoint.y - pos.y) <= 0.5f) {
e->stats.waypoints.pop();
// pick a new random point if we're wandering
if (e->stats.wander) {
waypoint = getWanderPoint();
}
e->stats.waypoints.push(waypoint);
e->stats.waypoint_pause_ticks = e->stats.waypoint_pause;
}
}
// re-block current space to allow correct movement
mapr->collider.block(e->stats.pos.x, e->stats.pos.y, e->stats.hero_ally);
}
/**
* Begin using a power if idle, based on behavior % chances.
* Activate a ready power, if the attack animation has followed through
*/
void BehaviorStandard::checkPower() {
// stunned enemies can't act
if (e->stats.effects.stun || fleeing) return;
// currently all enemy power use happens during combat
if (!e->stats.in_combat) return;
// if the enemy is on global cooldown it cannot act
if (e->stats.cooldown_ticks > 0) return;
// Note there are two stages to activating a power.
// First is the enemy choosing to use a power based on behavioral chance
// Second is the power actually firing off once the related animation reaches the active frame.
// (these are separate so that interruptions can take place)
// Begin Power Animation:
// standard enemies can begin a power-use animation if they're standing around or moving voluntarily.
if (los && (e->stats.cur_state == ENEMY_STANCE || e->stats.cur_state == ENEMY_MOVE)) {
// check half dead power use
if (!e->stats.on_half_dead_casted && e->stats.hp <= e->stats.get(STAT_HP_MAX)/2) {
if (percentChance(e->stats.power_chance[ON_HALF_DEAD])) {
e->newState(ENEMY_POWER);
e->stats.activated_powerslot = ON_HALF_DEAD;
return;
}
}
// check ranged power use
if (target_dist > e->stats.melee_range) {
if (percentChance(e->stats.power_chance[RANGED_PHYS]) && e->stats.power_ticks[RANGED_PHYS] == 0) {
bool can_use = true;
if(powers->powers[e->stats.power_index[RANGED_PHYS]].type == POWTYPE_SPAWN)
if(e->stats.summonLimitReached(e->stats.power_index[RANGED_PHYS]))
can_use = false;
if(can_use) {
e->newState(ENEMY_POWER);
e->stats.activated_powerslot = RANGED_PHYS;
return;
}
}
if (percentChance(e->stats.power_chance[RANGED_MENT]) && e->stats.power_ticks[RANGED_MENT] == 0) {
bool can_use = true;
if(powers->powers[e->stats.power_index[RANGED_MENT]].type == POWTYPE_SPAWN)
if(e->stats.summonLimitReached(e->stats.power_index[RANGED_MENT]))
can_use = false;
if(can_use) {
e->newState(ENEMY_POWER);
e->stats.activated_powerslot = RANGED_MENT;
return;
}
}
}
else { // check melee power use
if (percentChance(e->stats.power_chance[MELEE_PHYS]) && e->stats.power_ticks[MELEE_PHYS] == 0) {
bool can_use = true;
if(powers->powers[e->stats.power_index[MELEE_PHYS]].type == POWTYPE_SPAWN)
if(e->stats.summonLimitReached(e->stats.power_index[MELEE_PHYS]))
can_use = false;
if(can_use) {
e->newState(ENEMY_POWER);
e->stats.activated_powerslot = MELEE_PHYS;
return;
}
}
if (percentChance(e->stats.power_chance[MELEE_MENT]) && e->stats.power_ticks[MELEE_MENT] == 0) {
bool can_use = true;
if(powers->powers[e->stats.power_index[MELEE_MENT]].type == POWTYPE_SPAWN)
if(e->stats.summonLimitReached(e->stats.power_index[MELEE_MENT]))
can_use = false;
if(can_use) {
e->newState(ENEMY_POWER);
e->stats.activated_powerslot = MELEE_MENT;
return;
}
}
}
}
// Activate Power:
// enemy has started the animation to use a power. Activate the power on the Active animation frame
if (e->stats.cur_state == ENEMY_POWER) {
// if we're at the active frame of a power animation,
// activate the power and set the local and global cooldowns
if (e->activeAnimation->isActiveFrame() || e->instant_power) {
e->instant_power = false;
int power_slot = e->stats.activated_powerslot;
int power_id = e->stats.power_index[e->stats.activated_powerslot];
powers->activate(power_id, &e->stats, pursue_pos);
e->stats.power_ticks[power_slot] = powers->powers[power_id].cooldown;
e->stats.cooldown_ticks = e->stats.cooldown;
if (e->stats.activated_powerslot == ON_HALF_DEAD) {
e->stats.on_half_dead_casted = true;
}
}
}
}
/**
* Locate the player and set various targeting info
*/
void BehaviorStandard::findTarget() {
float stealth_threat_range = (e->stats.threat_range * (100 - static_cast<float>(e->stats.hero_stealth))) / 100;
// stunned enemies can't act
if (e->stats.effects.stun) return;
// check distance and line of sight between enemy and hero
if (pc->stats.alive)
hero_dist = calcDist(e->stats.pos, pc->stats.pos);
else
hero_dist = 0;
// aggressive enemies are always in combat
if (!e->stats.in_combat && e->stats.combat_style == COMBAT_AGGRESSIVE) {
e->stats.in_combat = true;
powers->activate(e->stats.power_index[BEACON], &e->stats, e->stats.pos); //emit beacon
}
// check entering combat (because the player hit the enemy)
if (e->stats.join_combat) {
if (hero_dist <= (stealth_threat_range *2)) {
e->stats.join_combat = false;
}
else {
e->stats.in_combat = true;
powers->activate(e->stats.power_index[BEACON], &e->stats, e->stats.pos); //emit beacon
}
}
// check entering combat (because the player got too close)
if (!e->stats.in_combat && los && hero_dist < stealth_threat_range && e->stats.combat_style != COMBAT_PASSIVE) {
e->stats.in_combat = true;
powers->activate(e->stats.power_index[BEACON], &e->stats, e->stats.pos); //emit beacon
}
// check exiting combat (player died or got too far away)
if (e->stats.in_combat && hero_dist > (e->stats.threat_range *2) && !e->stats.join_combat && e->stats.combat_style != COMBAT_AGGRESSIVE) {
e->stats.in_combat = false;
}
// check exiting combat (player or enemy died)
if ((!e->stats.alive || !pc->stats.alive) && e->stats.combat_style != COMBAT_AGGRESSIVE) {
e->stats.in_combat = false;
}
// by default, the enemy pursues the hero directly
pursue_pos.x = pc->stats.pos.x;
pursue_pos.y = pc->stats.pos.y;
target_dist = hero_dist;
//if there are player allies closer than the hero, target an ally instead
if(e->stats.in_combat) {
for (unsigned int i=0; i < enemies->enemies.size(); i++) {
if(!enemies->enemies[i]->stats.corpse && enemies->enemies[i]->stats.hero_ally) {
//now work out the distance to the minion and compare it to the distance to the current targer (we want to target the closest ally)
float ally_dist = calcDist(e->stats.pos, enemies->enemies[i]->stats.pos);
if (ally_dist < target_dist) {
pursue_pos.x = enemies->enemies[i]->stats.pos.x;
pursue_pos.y = enemies->enemies[i]->stats.pos.y;
target_dist = ally_dist;
}
}
}
}
// if we just started wandering, set the first waypoint
if (e->stats.wander && e->stats.waypoints.empty()) {
FPoint waypoint = getWanderPoint();
e->stats.waypoints.push(waypoint);
e->stats.waypoint_pause_ticks = e->stats.waypoint_pause;
}
// if we're not in combat, pursue the next waypoint
if (!(e->stats.in_combat || e->stats.waypoints.empty())) {
FPoint waypoint = e->stats.waypoints.front();
pursue_pos.x = waypoint.x;
pursue_pos.y = waypoint.y;
}
// check line-of-sight
if (target_dist < e->stats.threat_range && pc->stats.alive)
los = mapr->collider.line_of_sight(e->stats.pos.x, e->stats.pos.y, pc->stats.pos.x, pc->stats.pos.y);
else
los = false;
if(e->stats.effects.fear) fleeing = true;
// If we have a successful chance_flee roll, try to move to a safe distance
if (e->stats.cur_state == ENEMY_STANCE && !move_to_safe_dist && hero_dist < e->stats.threat_range/2 && hero_dist >= e->stats.melee_range && percentChance(e->stats.chance_flee))
move_to_safe_dist = true;
if (move_to_safe_dist) fleeing = true;
}
/**
* Perform miscellaneous state-based actions.
* 1) Set animations and sound effects
* 2) Return to the default state (Stance) when actions are complete
*/
void BehaviorStandard::updateState() {
// stunned enemies can't act
if (e->stats.effects.stun) return;
int power_id;
int power_state;
// continue current animations
e->activeAnimation->advanceFrame();
switch (e->stats.cur_state) {
case ENEMY_STANCE:
e->setAnimation("stance");
break;
case ENEMY_MOVE:
e->setAnimation("run");
break;
case ENEMY_POWER:
power_id = e->stats.power_index[e->stats.activated_powerslot];
power_state = e->powers->powers[power_id].new_state;
// animation based on power type
if (power_state == POWSTATE_SWING) e->setAnimation("melee");
else if (power_state == POWSTATE_SHOOT) e->setAnimation("ranged");
else if (power_state == POWSTATE_CAST) e->setAnimation("ment");
else if (power_state == POWSTATE_INSTANT) e->instant_power = true;
// sound effect based on power type
if (e->activeAnimation->isFirstFrame()) {
if (power_state == POWSTATE_SWING) e->sfx_phys = true;
else if (power_state == POWSTATE_SHOOT) e->sfx_phys = true;
else if (power_state == POWSTATE_CAST) e->sfx_ment = true;
}
if (e->activeAnimation->isLastFrame()) e->newState(ENEMY_STANCE);
break;
case ENEMY_SPAWN:
e->setAnimation("spawn");
//the second check is needed in case the entity does not have a spawn animation
if (e->activeAnimation->isLastFrame() || e->activeAnimation->getName() != "spawn") {
e->newState(ENEMY_STANCE);
e->CheckSummonSustained();
}
break;
case ENEMY_BLOCK:
e->setAnimation("block");
break;
case ENEMY_HIT:
e->setAnimation("hit");
if (e->activeAnimation->isFirstFrame()) {
e->stats.effects.triggered_hit = true;
}
if (e->activeAnimation->isLastFrame()) e->newState(ENEMY_STANCE);
break;
case ENEMY_DEAD:
if (e->stats.effects.triggered_death) break;
e->setAnimation("die");
if (e->activeAnimation->isFirstFrame()) {
e->sfx_die = true;
e->stats.corpse_ticks = CORPSE_TIMEOUT;
e->stats.effects.clearEffects();
}
if (e->activeAnimation->isSecondLastFrame()) {
if (percentChance(e->stats.power_chance[ON_DEATH]))
e->powers->activate(e->stats.power_index[ON_DEATH], &e->stats, e->stats.pos);
}
if (e->activeAnimation->isLastFrame()) {
e->stats.corpse = true; // puts renderable under object layer
//allow free movement over the corpse
e->map->collider.unblock(e->stats.pos.x, e->stats.pos.y);
}
break;
case ENEMY_CRITDEAD:
e->setAnimation("critdie");
if (e->activeAnimation->isFirstFrame()) {
e->sfx_critdie = true;
e->stats.corpse_ticks = CORPSE_TIMEOUT;
e->stats.effects.clearEffects();
}
if (e->activeAnimation->isSecondLastFrame()) {
if (percentChance(e->stats.power_chance[ON_DEATH]))
e->powers->activate(e->stats.power_index[ON_DEATH], &e->stats, e->stats.pos);
}
if (e->activeAnimation->isLastFrame()) e->stats.corpse = true; // puts renderable under object layer
break;
default:
break;
}
}
/**
* Locate the player and set various targeting info
*/
void BehaviorStandard::findTarget() {
int stealth_threat_range = (e->stats.threat_range * (100 - e->stats.hero_stealth)) / 100;
// stunned enemies can't act
if (e->stats.effects.stun) return;
// check distance and line of sight between enemy and hero
if (e->stats.hero_alive)
hero_dist = calcDist(e->stats.pos, e->stats.hero_pos);
else
hero_dist = 0;
// check entering combat (because the player hit the enemy)
if (e->stats.join_combat) {
if (hero_dist <= (stealth_threat_range *2)) {
e->stats.join_combat = false;
}
else {
e->stats.in_combat = true;
e->powers->activate(e->stats.power_index[BEACON], &e->stats, e->stats.pos); //emit beacon
}
}
// check entering combat (because the player got too close)
if (!e->stats.in_combat && los && hero_dist < stealth_threat_range && !e->stats.passive_attacker) {
if (e->stats.in_combat) e->stats.join_combat = true;
e->stats.in_combat = true;
e->powers->activate(e->stats.power_index[BEACON], &e->stats, e->stats.pos); //emit beacon
}
// check exiting combat (player died or got too far away)
if (e->stats.in_combat && hero_dist > (e->stats.threat_range *2) && !e->stats.join_combat) {
e->stats.in_combat = false;
}
// check exiting combat (player or enemy died)
if (!e->stats.alive || !e->stats.hero_alive) {
e->stats.in_combat = false;
}
// if the creature is a wanderer, pick a random point within the wander area to travel to
if (e->stats.wander && !e->stats.in_combat && e->stats.wander_area.w > 0 && e->stats.wander_area.h > 0) {
if (e->stats.wander_ticks == 0) {
pursue_pos.x = e->stats.wander_area.x + (rand() % (e->stats.wander_area.w));
pursue_pos.y = e->stats.wander_area.y + (rand() % (e->stats.wander_area.h));
e->stats.wander_ticks = (rand() % 150) + 150;
}
}
else {
// by default, the enemy pursues the hero directly
pursue_pos.x = e->stats.hero_pos.x;
pursue_pos.y = e->stats.hero_pos.y;
target_dist = hero_dist;
//if there are player allies closer than the hero, target an ally instead
if(e->stats.in_combat) {
for (unsigned int i=0; i < enemies->enemies.size(); i++) {
if(!enemies->enemies[i]->stats.corpse && enemies->enemies[i]->stats.hero_ally) {
//now work out the distance to the minion and compare it to the distance to the current targer (we want to target the closest ally)
int ally_dist = calcDist(e->stats.pos, enemies->enemies[i]->stats.pos);
if (ally_dist < target_dist) {
pursue_pos.x = enemies->enemies[i]->stats.pos.x;
pursue_pos.y = enemies->enemies[i]->stats.pos.y;
target_dist = ally_dist;
}
}
}
}
if (!(e->stats.in_combat || e->stats.waypoints.empty())) {
Point waypoint = e->stats.waypoints.front();
pursue_pos.x = waypoint.x;
pursue_pos.y = waypoint.y;
}
}
// check line-of-sight
if (target_dist < e->stats.threat_range && e->stats.hero_alive)
los = e->map->collider.line_of_sight(e->stats.pos.x, e->stats.pos.y, pursue_pos.x, pursue_pos.y);
else
los = false;
if(e->stats.effects.fear) fleeing = true;
// If we have a successful chance_flee roll, try to move to a safe distance
if (e->stats.cur_state == ENEMY_STANCE && !move_to_safe_dist && hero_dist < e->stats.threat_range/2 && hero_dist >= e->stats.melee_range && percentChance(e->stats.chance_flee))
move_to_safe_dist = true;
if (move_to_safe_dist) fleeing = true;
}
void HazardManager::logic() {
// remove all hazards with lifespan 0. Most hazards still display their last frame.
for (size_t i=h.size(); i>0; i--) {
if (h[i-1]->lifespan == 0) {
delete h[i-1];
h.erase(h.begin()+(i-1));
}
}
checkNewHazards();
// handle single-frame transforms
for (size_t i=h.size(); i>0; i--) {
h[i-1]->logic();
// remove all hazards that need to die immediately (e.g. exit the map)
if (h[i-1]->remove_now) {
delete h[i-1];
h.erase(h.begin()+(i-1));
continue;
}
// if a moving hazard hits a wall, check for an after-effect
if (h[i-1]->hit_wall) {
if (h[i-1]->script_trigger == SCRIPT_TRIGGER_WALL) {
EventManager::executeScript(h[i-1]->script, h[i-1]->pos.x, h[i-1]->pos.y);
}
if (h[i-1]->wall_power > 0 && percentChance(h[i-1]->wall_power_chance)) {
powers->activate(h[i-1]->wall_power, h[i-1]->src_stats, h[i-1]->pos);
if (powers->powers[h[i-1]->wall_power].directional) {
powers->hazards.back()->animationKind = h[i-1]->animationKind;
}
}
// clear wall hit
h[i-1]->hit_wall = false;
}
}
bool hit;
// handle collisions
for (size_t i=0; i<h.size(); i++) {
if (h[i]->isDangerousNow()) {
// process hazards that can hurt enemies
if (h[i]->source_type != SOURCE_TYPE_ENEMY) { //hero or neutral sources
for (unsigned int eindex = 0; eindex < enemym->enemies.size(); eindex++) {
// only check living enemies
if (enemym->enemies[eindex]->stats.hp > 0 && h[i]->active && (enemym->enemies[eindex]->stats.hero_ally == h[i]->target_party)) {
if (isWithinRadius(h[i]->pos, h[i]->radius, enemym->enemies[eindex]->stats.pos)) {
if (!h[i]->hasEntity(enemym->enemies[eindex])) {
h[i]->addEntity(enemym->enemies[eindex]);
if (!h[i]->beacon) last_enemy = enemym->enemies[eindex];
// hit!
hit = enemym->enemies[eindex]->takeHit(*h[i]);
hitEntity(i, hit);
}
}
}
}
}
// process hazards that can hurt the hero
if (h[i]->source_type != SOURCE_TYPE_HERO && h[i]->source_type != SOURCE_TYPE_ALLY) { //enemy or neutral sources
if (pc->stats.hp > 0 && h[i]->active) {
if (isWithinRadius(h[i]->pos, h[i]->radius, pc->stats.pos)) {
if (!h[i]->hasEntity(pc)) {
h[i]->addEntity(pc);
// hit!
hit = pc->takeHit(*h[i]);
hitEntity(i, hit);
}
}
}
//now process allies
for (unsigned int eindex = 0; eindex < enemym->enemies.size(); eindex++) {
// only check living allies
if (enemym->enemies[eindex]->stats.hp > 0 && h[i]->active && enemym->enemies[eindex]->stats.hero_ally) {
if (isWithinRadius(h[i]->pos, h[i]->radius, enemym->enemies[eindex]->stats.pos)) {
if (!h[i]->hasEntity(enemym->enemies[eindex])) {
h[i]->addEntity(enemym->enemies[eindex]);
// hit!
hit = enemym->enemies[eindex]->takeHit(*h[i]);
hitEntity(i, hit);
}
}
}
}
}
}
}
}
/**
* Whenever a hazard collides with an entity, this function resolves the effect
* Called by HazardManager
*
* Returns false on miss
*/
bool Entity::takeHit(Hazard &h) {
//check if this enemy should be affected by this hazard based on the category
if(!powers->powers[h.power_index].target_categories.empty() && !stats.hero) {
//the power has a target category requirement, so if it doesnt match, dont continue
bool match_found = false;
for (unsigned int i=0; i<stats.categories.size(); i++) {
if(std::find(powers->powers[h.power_index].target_categories.begin(), powers->powers[h.power_index].target_categories.end(), stats.categories[i]) != powers->powers[h.power_index].target_categories.end()) {
match_found = true;
}
}
if(!match_found)
return false;
}
//if the target is already dead, they cannot be hit
if ((stats.cur_state == ENEMY_DEAD || stats.cur_state == ENEMY_CRITDEAD) && !stats.hero)
return false;
if(stats.cur_state == AVATAR_DEAD && stats.hero)
return false;
//if the target is an enemy and they are not already in combat, activate a beacon to draw other enemies into battle
if (!stats.in_combat && !stats.hero && !stats.hero_ally) {
stats.join_combat = true;
stats.in_combat = true;
powers->activate(stats.power_index[BEACON], &stats, stats.pos); //emit beacon
}
// exit if it was a beacon (to prevent stats.targeted from being set)
if (powers->powers[h.power_index].beacon) return false;
// prepare the combat text
CombatText *combat_text = comb;
// if it's a miss, do nothing
int accuracy = h.accuracy;
if(powers->powers[h.power_index].mod_accuracy_mode == STAT_MODIFIER_MODE_MULTIPLY)
accuracy = accuracy * powers->powers[h.power_index].mod_accuracy_value / 100;
else if(powers->powers[h.power_index].mod_accuracy_mode == STAT_MODIFIER_MODE_ADD)
accuracy += powers->powers[h.power_index].mod_accuracy_value;
else if(powers->powers[h.power_index].mod_accuracy_mode == STAT_MODIFIER_MODE_ABSOLUTE)
accuracy = powers->powers[h.power_index].mod_accuracy_value;
int avoidance = 0;
if(!powers->powers[h.power_index].trait_avoidance_ignore) {
avoidance = stats.get(STAT_AVOIDANCE);
}
int true_avoidance = 100 - (accuracy + 25 - avoidance);
//if we are using an absolute accuracy, offset the constant 25 added to the accuracy
if(powers->powers[h.power_index].mod_accuracy_mode == STAT_MODIFIER_MODE_ABSOLUTE)
true_avoidance += 25;
clampFloor(true_avoidance, MIN_AVOIDANCE);
clampCeil(true_avoidance, MAX_AVOIDANCE);
if (h.missile && percentChance(stats.get(STAT_REFLECT))) {
// reflect the missile 180 degrees
h.setAngle(h.angle+M_PI);
// change hazard source to match the reflector's type
// maybe we should change the source stats pointer to the reflector's StatBlock
if (h.source_type == SOURCE_TYPE_HERO || h.source_type == SOURCE_TYPE_ALLY)
h.source_type = SOURCE_TYPE_ENEMY;
else if (h.source_type == SOURCE_TYPE_ENEMY)
h.source_type = stats.hero ? SOURCE_TYPE_HERO : SOURCE_TYPE_ALLY;
// reset the hazard ticks
h.lifespan = h.base_lifespan;
if (activeAnimation->getName() == "block") {
play_sfx_block = true;
}
return false;
}
if (percentChance(true_avoidance)) {
combat_text->addMessage(msg->get("miss"), stats.pos, COMBAT_MESSAGE_MISS);
return false;
}
// calculate base damage
int dmg = randBetween(h.dmg_min, h.dmg_max);
if(powers->powers[h.power_index].mod_damage_mode == STAT_MODIFIER_MODE_MULTIPLY)
dmg = dmg * powers->powers[h.power_index].mod_damage_value_min / 100;
else if(powers->powers[h.power_index].mod_damage_mode == STAT_MODIFIER_MODE_ADD)
dmg += powers->powers[h.power_index].mod_damage_value_min;
else if(powers->powers[h.power_index].mod_damage_mode == STAT_MODIFIER_MODE_ABSOLUTE)
dmg = randBetween(powers->powers[h.power_index].mod_damage_value_min, powers->powers[h.power_index].mod_damage_value_max);
// apply elemental resistance
if (h.trait_elemental >= 0 && unsigned(h.trait_elemental) < stats.vulnerable.size()) {
unsigned i = h.trait_elemental;
int vulnerable = stats.vulnerable[i];
clampFloor(vulnerable,MIN_RESIST);
if (stats.vulnerable[i] < 100)
clampCeil(vulnerable,MAX_RESIST);
dmg = (dmg * vulnerable) / 100;
}
if (!h.trait_armor_penetration) { // armor penetration ignores all absorption
// substract absorption from armor
int absorption = randBetween(stats.get(STAT_ABS_MIN), stats.get(STAT_ABS_MAX));
if (absorption > 0 && dmg > 0) {
int abs = absorption;
if ((abs*100)/dmg < MIN_BLOCK)
absorption = (dmg * MIN_BLOCK) /100;
if ((abs*100)/dmg > MAX_BLOCK)
absorption = (dmg * MAX_BLOCK) /100;
if ((abs*100)/dmg < MIN_ABSORB && !stats.effects.triggered_block)
absorption = (dmg * MIN_ABSORB) /100;
if ((abs*100)/dmg > MAX_ABSORB && !stats.effects.triggered_block)
absorption = (dmg * MAX_ABSORB) /100;
// Sometimes, the absorb limits cause absorbtion to drop to 1
// This could be confusing to a player that has something with an absorb of 1 equipped
// So we round absorption up in this case
if (absorption == 0) absorption = 1;
}
dmg = dmg - absorption;
if (dmg <= 0) {
dmg = 0;
if (h.trait_elemental < 0) {
if (stats.effects.triggered_block && MAX_BLOCK < 100) dmg = 1;
else if (!stats.effects.triggered_block && MAX_ABSORB < 100) dmg = 1;
}
else {
if (MAX_RESIST < 100) dmg = 1;
}
if (activeAnimation->getName() == "block") {
play_sfx_block = true;
resetActiveAnimation();
}
}
}
// check for crits
int true_crit_chance = h.crit_chance;
if(powers->powers[h.power_index].mod_crit_mode == STAT_MODIFIER_MODE_MULTIPLY)
true_crit_chance = true_crit_chance * powers->powers[h.power_index].mod_crit_value / 100;
else if(powers->powers[h.power_index].mod_crit_mode == STAT_MODIFIER_MODE_ADD)
true_crit_chance += powers->powers[h.power_index].mod_crit_value;
else if(powers->powers[h.power_index].mod_crit_mode == STAT_MODIFIER_MODE_ABSOLUTE)
true_crit_chance = powers->powers[h.power_index].mod_crit_value;
if (stats.effects.stun || stats.effects.speed < 100)
true_crit_chance += h.trait_crits_impaired;
bool crit = percentChance(true_crit_chance);
if (crit) {
dmg = dmg + h.dmg_max;
if(!stats.hero)
mapr->shaky_cam_ticks = MAX_FRAMES_PER_SEC/2;
}
if(stats.hero)
combat_text->addMessage(dmg, stats.pos, COMBAT_MESSAGE_TAKEDMG);
else {
if(crit)
combat_text->addMessage(dmg, stats.pos, COMBAT_MESSAGE_CRIT);
else
combat_text->addMessage(dmg, stats.pos, COMBAT_MESSAGE_GIVEDMG);
}
// temporarily save the current HP for calculating HP/MP steal on final blow
int prev_hp = stats.hp;
// apply damage
stats.takeDamage(dmg);
// after effects
if (dmg > 0) {
// damage always breaks stun
stats.effects.removeEffectType(EFFECT_STUN);
if (stats.hp > 0) {
powers->effect(&stats, h.src_stats, h.power_index,h.source_type);
}
if (!stats.effects.immunity) {
if (h.hp_steal != 0) {
int steal_amt = (std::min(dmg, prev_hp) * h.hp_steal) / 100;
if (steal_amt == 0) steal_amt = 1;
combat_text->addMessage(msg->get("+%d HP",steal_amt), h.src_stats->pos, COMBAT_MESSAGE_BUFF);
h.src_stats->hp = std::min(h.src_stats->hp + steal_amt, h.src_stats->get(STAT_HP_MAX));
}
if (h.mp_steal != 0) {
int steal_amt = (std::min(dmg, prev_hp) * h.mp_steal) / 100;
if (steal_amt == 0) steal_amt = 1;
combat_text->addMessage(msg->get("+%d MP",steal_amt), h.src_stats->pos, COMBAT_MESSAGE_BUFF);
h.src_stats->mp = std::min(h.src_stats->mp + steal_amt, h.src_stats->get(STAT_MP_MAX));
}
}
}
// post effect power
if (h.post_power > 0 && dmg > 0) {
powers->activate(h.post_power, h.src_stats, stats.pos);
}
// loot
if (dmg > 0 && !h.loot.empty()) {
for (unsigned i=0; i<h.loot.size(); i++) {
powers->loot.push_back(h.loot[i]);
powers->loot.back().x = (int)stats.pos.x;
powers->loot.back().y = (int)stats.pos.y;
}
}
// interrupted to new state
if (dmg > 0) {
bool chance_poise = percentChance(stats.get(STAT_POISE));
if(stats.hp <= 0) {
stats.effects.triggered_death = true;
if(stats.hero)
stats.cur_state = AVATAR_DEAD;
else {
doRewards(h.source_type);
if (crit)
stats.cur_state = ENEMY_CRITDEAD;
else
stats.cur_state = ENEMY_DEAD;
mapr->collider.unblock(stats.pos.x,stats.pos.y);
}
}
// don't go through a hit animation if stunned
else if (!stats.effects.stun && !chance_poise) {
play_sfx_hit = true;
if(!chance_poise && stats.cooldown_hit_ticks == 0) {
if(stats.hero)
stats.cur_state = AVATAR_HIT;
else
stats.cur_state = ENEMY_HIT;
stats.cooldown_hit_ticks = stats.cooldown_hit;
if (stats.untransform_on_hit)
stats.transform_duration = 0;
}
// roll to see if the enemy's ON_HIT power is casted
if (percentChance(stats.power_chance[ON_HIT])) {
powers->activate(stats.power_index[ON_HIT], &stats, stats.pos);
}
}
// just play the hit sound
else
play_sfx_hit = true;
}
return true;
}
/**
* A particular event has been triggered.
* Process all of this events components.
*
* @param The triggered event
* @return Returns true if the event shall not be run again.
*/
bool EventManager::executeEvent(Event &ev) {
// skip executing events that are on cooldown
if (ev.cooldown_ticks > 0) return false;
// need to know this for early returns
Event_Component *ec_repeat = ev.getComponent(EC_REPEAT);
if (ec_repeat) {
ev.keep_after_trigger = ec_repeat->x == 0 ? false : true;
}
// delay event execution
if (ev.delay > 0) {
ev.delay_ticks = ev.delay;
mapr->delayed_events.push_back(ev);
mapr->delayed_events.back().delay_ticks = ev.delay;
mapr->delayed_events.back().delay = 0;
ev.cooldown_ticks = ev.cooldown + ev.delay;
return !ev.keep_after_trigger;
}
// set cooldown
ev.cooldown_ticks = ev.cooldown;
// if chance_exec roll fails, don't execute the event
// we respect the value of "repeat", even if the event doesn't execute
Event_Component *ec_chance_exec = ev.getComponent(EC_CHANCE_EXEC);
if (ec_chance_exec && !percentChance(ec_chance_exec->x)) {
return !ev.keep_after_trigger;
}
Event_Component *ec;
for (unsigned i = 0; i < ev.components.size(); ++i) {
ec = &ev.components[i];
if (ec->type == EC_SET_STATUS) {
camp->setStatus(ec->s);
}
else if (ec->type == EC_UNSET_STATUS) {
camp->unsetStatus(ec->s);
}
else if (ec->type == EC_INTERMAP) {
if (ec->z == 1) {
// this is intermap_random
std::string map_list = ec->s;
Event_Component random_ec = getRandomMapFromFile(map_list);
ec->s = random_ec.s;
ec->x = random_ec.x;
ec->y = random_ec.y;
}
if (fileExists(mods->locate(ec->s))) {
mapr->teleportation = true;
mapr->teleport_mapname = ec->s;
if (ec->x == -1 && ec->y == -1) {
// the teleport destination will be set to the map's hero_pos once the map is loaded
mapr->teleport_destination.x = -1;
mapr->teleport_destination.y = -1;
}
else {
mapr->teleport_destination.x = static_cast<float>(ec->x) + 0.5f;
mapr->teleport_destination.y = static_cast<float>(ec->y) + 0.5f;
}
}
else {
ev.keep_after_trigger = false;
pc->logMsg(msg->get("Unknown destination"), false);
}
}
else if (ec->type == EC_INTRAMAP) {
mapr->teleportation = true;
mapr->teleport_mapname = "";
mapr->teleport_destination.x = static_cast<float>(ec->x) + 0.5f;
mapr->teleport_destination.y = static_cast<float>(ec->y) + 0.5f;
}
else if (ec->type == EC_MAPMOD) {
if (ec->s == "collision") {
if (ec->x >= 0 && ec->x < mapr->w && ec->y >= 0 && ec->y < mapr->h) {
mapr->collider.colmap[ec->x][ec->y] = static_cast<unsigned short>(ec->z);
mapr->map_change = true;
}
else
logError("EventManager: Mapmod at position (%d, %d) is out of bounds 0-255.", ec->x, ec->y);
}
else {
size_t index = static_cast<size_t>(distance(mapr->layernames.begin(), find(mapr->layernames.begin(), mapr->layernames.end(), ec->s)));
if (!mapr->isValidTile(ec->z))
logError("EventManager: Mapmod at position (%d, %d) contains invalid tile id (%d).", ec->x, ec->y, ec->z);
else if (index >= mapr->layers.size())
logError("EventManager: Mapmod at position (%d, %d) is on an invalid layer.", ec->x, ec->y);
else if (ec->x >= 0 && ec->x < mapr->w && ec->y >= 0 && ec->y < mapr->h)
mapr->layers[index][ec->x][ec->y] = static_cast<unsigned short>(ec->z);
else
logError("EventManager: Mapmod at position (%d, %d) is out of bounds 0-255.", ec->x, ec->y);
}
}
else if (ec->type == EC_SOUNDFX) {
FPoint pos(0,0);
bool loop = false;
if (ec->x != -1 && ec->y != -1) {
if (ec->x != 0 && ec->y != 0) {
pos.x = static_cast<float>(ec->x) + 0.5f;
pos.y = static_cast<float>(ec->y) + 0.5f;
}
}
else if (ev.location.x != 0 && ev.location.y != 0) {
pos.x = static_cast<float>(ev.location.x) + 0.5f;
pos.y = static_cast<float>(ev.location.y) + 0.5f;
}
if (ev.activate_type == EVENT_ON_LOAD || ec->z != 0)
loop = true;
SoundManager::SoundID sid = snd->load(ec->s, "MapRenderer background soundfx");
snd->play(sid, GLOBAL_VIRTUAL_CHANNEL, pos, loop);
mapr->sids.push_back(sid);
}
else if (ec->type == EC_LOOT) {
Event_Component *ec_lootcount = ev.getComponent(EC_LOOT_COUNT);
if (ec_lootcount) {
mapr->loot_count.x = ec_lootcount->x;
mapr->loot_count.y = ec_lootcount->y;
}
else {
mapr->loot_count.x = 0;
mapr->loot_count.y = 0;
}
ec->x = ev.hotspot.x;
ec->y = ev.hotspot.y;
mapr->loot.push_back(*ec);
}
else if (ec->type == EC_MSG) {
pc->logMsg(ec->s, false);
}
else if (ec->type == EC_SHAKYCAM) {
mapr->shaky_cam_ticks = ec->x;
}
else if (ec->type == EC_REMOVE_CURRENCY) {
camp->removeCurrency(ec->x);
}
else if (ec->type == EC_REMOVE_ITEM) {
camp->removeItem(ec->x);
}
else if (ec->type == EC_REWARD_XP) {
camp->rewardXP(ec->x, true);
}
else if (ec->type == EC_REWARD_CURRENCY) {
camp->rewardCurrency(ec->x);
}
else if (ec->type == EC_REWARD_ITEM) {
ItemStack istack;
istack.item = ec->x;
istack.quantity = ec->y;
camp->rewardItem(istack);
}
else if (ec->type == EC_RESTORE) {
camp->restoreHPMP(ec->s);
}
else if (ec->type == EC_SPAWN) {
Point spawn_pos;
spawn_pos.x = ec->x;
spawn_pos.y = ec->y;
enemym->spawn(ec->s, spawn_pos);
}
else if (ec->type == EC_POWER) {
Event_Component *ec_path = ev.getComponent(EC_POWER_PATH);
FPoint target;
if (ec_path) {
// targets hero option
if (ec_path->s == "hero") {
target.x = pc->stats.pos.x;
target.y = pc->stats.pos.y;
}
// targets fixed path option
else {
target.x = static_cast<float>(ec_path->a) + 0.5f;
target.y = static_cast<float>(ec_path->b) + 0.5f;
}
}
// no path specified, targets self location
else {
target.x = static_cast<float>(ev.location.x) + 0.5f;
target.y = static_cast<float>(ev.location.y) + 0.5f;
}
// ec->x is power id
// ec->y is statblock index
mapr->activatePower(ec->x, ec->y, target);
}
else if (ec->type == EC_STASH) {
mapr->stash = ec->x == 0 ? false : true;
if (mapr->stash) {
mapr->stash_pos.x = static_cast<float>(ev.location.x) + 0.5f;
mapr->stash_pos.y = static_cast<float>(ev.location.y) + 0.5f;
}
}
else if (ec->type == EC_NPC) {
mapr->event_npc = ec->s;
}
else if (ec->type == EC_MUSIC) {
mapr->music_filename = ec->s;
mapr->loadMusic();
}
else if (ec->type == EC_CUTSCENE) {
mapr->cutscene = true;
mapr->cutscene_file = ec->s;
}
else if (ec->type == EC_REPEAT) {
ev.keep_after_trigger = ec->x == 0 ? false : true;
}
else if (ec->type == EC_SAVE_GAME) {
mapr->save_game = ec->x == 0 ? false : true;
}
else if (ec->type == EC_NPC_ID) {
mapr->npc_id = ec->x;
}
else if (ec->type == EC_BOOK) {
mapr->show_book = ec->s;
}
else if (ec->type == EC_SCRIPT) {
if (ev.center.x != -1 && ev.center.y != -1)
executeScript(ec->s, ev.center.x, ev.center.y);
else
executeScript(ec->s, pc->stats.pos.x, pc->stats.pos.y);
}
}
return !ev.keep_after_trigger;
}