/**
* Enemies that drop loot raise a "loot_drop" flag to notify this loot
* manager to create loot based on that creature's level and position.
*/
void LootManager::checkEnemiesForLoot() {
ItemStack istack;
istack.quantity = 1;
for (int i=0; i<enemies->enemy_count; i++) {
if (enemies->enemies[i]->loot_drop) {
if (enemies->enemies[i]->stats.quest_loot_id != 0) {
// quest loot
istack.item = enemies->enemies[i]->stats.quest_loot_id;
addLoot(istack, enemies->enemies[i]->stats.pos);
}
else {
// random loot
determineLoot(enemies->enemies[i]->stats.level, enemies->enemies[i]->stats.pos);
}
enemies->enemies[i]->loot_drop = false;
}
}
}
/**
* As map events occur, some might have a component named "loot"
* Loot is created at component x,y
*/
void LootManager::checkMapForLoot() {
Point p;
Event_Component *ec;
ItemStack loot;
while (!map->loot.empty()) {
ec = &map->loot.front();
p.x = ec->x;
p.y = ec->y;
if (ec->s == "random") {
determineLoot(ec->z, p);
}
else if (ec->s == "id") {
loot.item = ec->z;
loot.quantity = 1;
addLoot(loot, p);
}
else if (ec->s == "currency") {
addGold(ec->z, p);
}
map->loot.pop();
}
}
void LootManager::checkLoot(std::vector<Event_Component> &loot_table, FPoint *pos) {
if (hero == NULL) {
logError("LootManager: checkLoot() failed, no hero.");
return;
}
FPoint p;
Event_Component *ec;
ItemStack new_loot;
std::vector<Event_Component*> possible_ids;
int chance = rand() % 100;
// first drop any 'fixed' (0% chance) items
for (size_t i = loot_table.size(); i > 0; i--) {
ec = &loot_table[i-1];
if (ec->z == 0) {
Point src;
if (pos) {
src = floor(*pos);
}
else {
src.x = ec->x;
src.y = ec->y;
}
p = mapr->collider.get_random_neighbor(src, drop_radius);
if (!mapr->collider.is_valid_position(p.x, p.y, MOVEMENT_NORMAL, false)) {
p = hero->pos;
}
else {
if (src.x == p.x && src.y == p.y)
p = hero->pos;
mapr->collider.block(p.x, p.y, false);
tiles_to_unblock.push_back(floor(p));
}
new_loot.quantity = randBetween(ec->a,ec->b);
// an item id of 0 means we should drop currency instead
if (ec->c == 0 || ec->c == CURRENCY_ID) {
new_loot.item = CURRENCY_ID;
new_loot.quantity = new_loot.quantity * (100 + hero->get(STAT_CURRENCY_FIND)) / 100;
}
else {
new_loot.item = ec->c;
}
addLoot(new_loot, p);
loot_table.erase(loot_table.begin()+i-1);
}
}
// now pick up to 1 random item to drop
int threshold = hero->get(STAT_ITEM_FIND) + 100;
for (unsigned i = 0; i < loot_table.size(); i++) {
ec = &loot_table[i];
int real_chance = ec->z;
if (ec->c != 0 && ec->c != CURRENCY_ID) {
real_chance = static_cast<int>(static_cast<float>(ec->z) * static_cast<float>(hero->get(STAT_ITEM_FIND) + 100) / 100.f);
}
if (real_chance >= chance) {
if (real_chance <= threshold) {
if (real_chance != threshold) {
possible_ids.clear();
}
threshold = real_chance;
}
if (chance <= threshold) {
possible_ids.push_back(ec);
}
}
}
if (!possible_ids.empty()) {
// if there was more than one item with the same chance, randomly pick one of them
size_t chosen_loot = static_cast<size_t>(rand()) % possible_ids.size();
ec = possible_ids[chosen_loot];
Point src;
if (pos) {
src = floor(*pos);
}
else {
src.x = ec->x;
src.y = ec->y;
}
p = mapr->collider.get_random_neighbor(src, drop_radius);
if (!mapr->collider.is_valid_position(p.x, p.y, MOVEMENT_NORMAL, false)) {
p = hero->pos;
}
else {
if (src.x == p.x && src.y == p.y)
p = hero->pos;
mapr->collider.block(p.x, p.y, false);
tiles_to_unblock.push_back(floor(p));
}
new_loot.quantity = randBetween(ec->a,ec->b);
// an item id of 0 means we should drop currency instead
if (ec->c == 0 || ec->c == CURRENCY_ID) {
new_loot.item = CURRENCY_ID;
new_loot.quantity = new_loot.quantity * (100 + hero->get(STAT_CURRENCY_FIND)) / 100;
}
else {
new_loot.item = ec->c;
}
addLoot(new_loot, p);
}
}
