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initial rewrite of loot code
This commit is contained in:
KimLS
parent
b05dd45d62
commit
7fed01ddea
@ -23,13 +23,11 @@
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#include "masterentity.h"
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#include "zonedb.h"
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#include "../common/misc_functions.h"
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#ifdef _WINDOWS
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#define snprintf _snprintf
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#endif
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#include "../common/data_verification.h"
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// Queries the loottable: adds item & coin to the npc
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void ZoneDatabase::AddLootTableToNPC(NPC* npc,uint32 loottable_id, ItemList* itemlist, uint32* copper, uint32* silver, uint32* gold, uint32* plat) {
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const LootTable_Struct* lts = 0;
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const LootTable_Struct* lts = nullptr;
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*copper = 0;
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*silver = 0;
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*gold = 0;
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@ -39,44 +37,37 @@ void ZoneDatabase::AddLootTableToNPC(NPC* npc,uint32 loottable_id, ItemList* ite
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if (!lts)
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return;
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// do coin
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if (lts->mincash > lts->maxcash) {
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std::cerr << "Error in loottable #" << loottable_id << ": mincash > maxcash" << std::endl;
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uint32 min_cash = lts->mincash;
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uint32 max_cash = lts->maxcash;
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if(min_cash > max_cash) {
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uint32 t = min_cash;
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min_cash = max_cash;
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max_cash = t;
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}
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else if (lts->maxcash != 0) {
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uint32 cash = 0;
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if (lts->mincash == lts->maxcash)
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cash = lts->mincash;
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else
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cash = MakeRandomInt(lts->mincash, lts->maxcash);
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if(max_cash > 0 && EQEmu::ValueWithin(lts->avgcoin, min_cash, max_cash)) {
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int avg_cash_roll = MakeRandomInt(1, 100);
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if(avg_cash_roll > 50) {
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cash = MakeRandomInt(lts->avgcoin, max_cash);
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} else {
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cash = MakeRandomInt(min_cash, lts->avgcoin);
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}
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} else {
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cash = MakeRandomInt(min_cash, max_cash);
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}
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if(cash != 0) {
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if (lts->avgcoin != 0) {
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//this is some crazy ass stuff... and makes very little sense... dont use it, k?
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uint32 mincoin = (uint32) (lts->avgcoin * 0.75 + 1);
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uint32 maxcoin = (uint32) (lts->avgcoin * 1.25 + 1);
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*copper = MakeRandomInt(mincoin, maxcoin);
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*silver = MakeRandomInt(mincoin, maxcoin);
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*gold = MakeRandomInt(mincoin, maxcoin);
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if(*copper > cash) { *copper = cash; }
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cash -= *copper;
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if(*silver>(cash/10)) { *silver = (cash/10); }
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cash -= *silver*10;
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if(*gold > (cash/100)) { *gold = (cash/100); }
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cash -= *gold*100;
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}
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if (cash < 0) {
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cash = 0;
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}
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*plat = cash / 1000;
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cash -= *plat * 1000;
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uint32 gold2 = cash / 100;
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cash -= gold2 * 100;
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uint32 silver2 = cash / 10;
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cash -= silver2 * 10;
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*gold += gold2;
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*silver += silver2;
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*copper += cash;
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}
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*gold = cash / 100;
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cash -= *gold * 100;
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*silver = cash / 10;
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cash -= *silver * 10;
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*copper = cash;
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}
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// Do items
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@ -91,10 +82,10 @@ void ZoneDatabase::AddLootTableToNPC(NPC* npc,uint32 loottable_id, ItemList* ite
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float drop_chance = 0.0f;
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if(ltchance > 0.0 && ltchance < 100.0) {
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drop_chance = MakeRandomFloat(0.0, 100.0);
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drop_chance = (float)MakeRandomFloat(0.0, 100.0);
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}
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if (ltchance != 0.0 && (ltchance == 100.0 || drop_chance < ltchance)) {
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if (ltchance != 0.0 && (ltchance == 100.0 || drop_chance <= ltchance)) {
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AddLootDropToNPC(npc, lts->Entries[i].lootdrop_id, itemlist, droplimit, mindrop);
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}
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}
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@ -108,66 +99,79 @@ void ZoneDatabase::AddLootDropToNPC(NPC* npc,uint32 lootdrop_id, ItemList* iteml
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if (!lds) {
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return;
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}
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if(lds->NumEntries == 0) //nothing possible to add
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if(lds->NumEntries == 0)
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return;
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// Too long a list needs to be limited.
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if(lds->NumEntries > 99 && droplimit < 1)
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droplimit = lds->NumEntries/100;
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uint8 limit = 0;
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// Start at a random point in itemlist.
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uint32 item = MakeRandomInt(0, lds->NumEntries-1);
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// Main loop.
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for (uint32 i=0; i<lds->NumEntries;)
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{
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//Force the itemlist back to beginning.
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if (item > (lds->NumEntries-1))
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item = 0;
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uint8 charges = lds->Entries[item].multiplier;
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uint8 pickedcharges = 0;
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// Loop to check multipliers.
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for (uint32 x=1; x<=charges; x++)
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{
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// Actual roll.
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float thischance = 0.0;
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thischance = lds->Entries[item].chance;
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float drop_chance = 0.0;
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if(thischance != 100.0)
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drop_chance = MakeRandomFloat(0.0, 100.0);
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#if EQDEBUG>=11
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LogFile->write(EQEMuLog::Debug, "Drop chance for npc: %s, this chance:%f, drop roll:%f", npc->GetName(), thischance, drop_chance);
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#endif
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if (thischance == 100.0 || drop_chance < thischance)
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{
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uint32 itemid = lds->Entries[item].item_id;
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const Item_Struct* dbitem = GetItem(itemid);
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npc->AddLootDrop(dbitem, itemlist, lds->Entries[item].item_charges, lds->Entries[item].minlevel, lds->Entries[item].maxlevel, lds->Entries[item].equip_item, false);
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pickedcharges++;
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if(droplimit == 0 && mindrop == 0) {
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for(uint32 i = 0; i < lds->NumEntries; ++i) {
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int charges = lds->Entries[i].multiplier;
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for(int j = 0; j < charges; ++j) {
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if(MakeRandomFloat(0.0, 100.0) <= lds->Entries[i].chance) {
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const Item_Struct* dbitem = GetItem(lds->Entries[i].item_id);
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npc->AddLootDrop(dbitem, itemlist, lds->Entries[i].item_charges, lds->Entries[i].minlevel,
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lds->Entries[i].maxlevel, lds->Entries[i].equip_item > 0 ? true : false, false);
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}
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}
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// Items with multipliers only count as 1 towards the limit.
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if(pickedcharges > 0)
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limit++;
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}
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return;
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}
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// If true, limit reached.
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if(limit >= droplimit && droplimit > 0)
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if(lds->NumEntries > 100 && droplimit == 0) {
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droplimit = 10;
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}
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if(droplimit < mindrop) {
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droplimit = mindrop;
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}
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float roll_t = 0.0f;
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bool active_item_list = false;
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for(uint32 i = 0; i < lds->NumEntries; ++i) {
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const Item_Struct* db_item = GetItem(lds->Entries[i].item_id);
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if(db_item) {
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roll_t += lds->Entries[i].chance;
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active_item_list = true;
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}
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}
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roll_t = EQEmu::ClampLower(roll_t, 100.0f);
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if(!active_item_list) {
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return;
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}
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mindrop = EQEmu::ClampLower(mindrop, (uint8)1);
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int item_count = MakeRandomInt(mindrop, droplimit);
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for(int i = 0; i < item_count; ++i) {
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float roll = (float)MakeRandomFloat(0.0, roll_t);
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for(uint32 j = 0; j < lds->NumEntries; ++j) {
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const Item_Struct* db_item = GetItem(lds->Entries[j].item_id);
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if(db_item) {
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if(roll < lds->Entries[j].chance) {
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npc->AddLootDrop(db_item, itemlist, lds->Entries[j].item_charges, lds->Entries[j].minlevel,
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lds->Entries[j].maxlevel, lds->Entries[j].equip_item > 0 ? true : false, false);
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int charges = (int)lds->Entries[i].multiplier;
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charges = EQEmu::ClampLower(charges, 1);
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for(int k = 1; k < charges; ++k) {
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float c_roll = (float)MakeRandomFloat(0.0, 100.0);
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if(c_roll <= lds->Entries[i].chance) {
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npc->AddLootDrop(db_item, itemlist, lds->Entries[j].item_charges, lds->Entries[j].minlevel,
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lds->Entries[j].maxlevel, lds->Entries[j].equip_item > 0 ? true : false, false);
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}
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}
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j = lds->NumEntries;
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break;
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item++;
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i++;
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// We didn't reach our minimium, run loop again.
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if(i == lds->NumEntries){
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if(limit < mindrop){
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i = 0;
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}
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else {
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roll -= lds->Entries[j].chance;
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}
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}
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}
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}
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} // We either ran out of items or reached our limit.
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}
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//if itemlist is null, just send wear changes
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@ -194,7 +198,7 @@ void NPC::AddLootDrop(const Item_Struct *item2, ItemList* itemlist, int16 charge
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}
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item->item_id = item2->ID;
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item->charges = charges;
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item->charges = (uint8)charges;
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item->aug1 = 0;
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item->aug2 = 0;
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item->aug3 = 0;
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@ -616,7 +616,7 @@ public:
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bool PassCastRestriction(bool UseCastRestriction = true, int16 value = 0, bool IsDamage = true);
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bool ImprovedTaunt();
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bool TryRootFadeByDamage(int buffslot, Mob* attacker);
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int16 GetSlowMitigation() const {return slow_mitigation;}
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float GetSlowMitigation() const { return slow_mitigation; }
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void CalcSpellPowerDistanceMod(uint16 spell_id, float range, Mob* caster = nullptr);
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inline int16 GetSpellPowerDistanceMod() const { return SpellPowerDistanceMod; };
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inline void SetSpellPowerDistanceMod(int16 value) { SpellPowerDistanceMod = value; };
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@ -257,7 +257,7 @@ public:
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uint32 GetMaxDMG() const {return max_dmg;}
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uint32 GetMinDMG() const {return min_dmg;}
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int16 GetSlowMitigation() const {return slow_mitigation;}
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float GetSlowMitigation() const { return slow_mitigation; }
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float GetAttackSpeed() const {return attack_speed;}
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bool IsAnimal() const { return(bodytype == BT_Animal); }
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uint16 GetPetSpellID() const {return pet_spell_id;}
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@ -2075,7 +2075,7 @@ XS(XS_NPC_GetSlowMitigation)
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Perl_croak(aTHX_ "Usage: NPC::GetSlowMitigation(THIS)");
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{
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NPC * THIS;
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int16 RETVAL;
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float RETVAL;
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dXSTARG;
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if (sv_derived_from(ST(0), "NPC")) {
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@ -2088,7 +2088,7 @@ XS(XS_NPC_GetSlowMitigation)
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Perl_croak(aTHX_ "THIS is nullptr, avoiding crash.");
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RETVAL = THIS->GetSlowMitigation();
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XSprePUSH; PUSHn((UV)RETVAL);
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XSprePUSH; PUSHn((double)RETVAL);
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}
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XSRETURN(1);
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}
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