Better trade cancellation when all cities are offered (also includes player-to-player cases, not only AI)

This commit is contained in:
Yair Morgenstern
2020-09-25 15:33:12 +03:00
parent 009c59b77c
commit 43bef4d88d
2 changed files with 13 additions and 11 deletions

View File

@ -12,6 +12,13 @@ import kotlin.math.sqrt
class TradeEvaluation{
fun isTradeValid(trade:Trade, offerer:CivilizationInfo, tradePartner: CivilizationInfo): Boolean {
// Edge case time! Guess what happens if you offer a peace agreement to the AI for all their cities except for the capital,
// and then capture their capital THAT SAME TURN? It can agree, leading to the civilization getting instantly destroyed!
if (trade.ourOffers.count { it.type == TradeType.City } == offerer.cities.size
|| trade.theirOffers.count { it.type == TradeType.City } == tradePartner.cities.size)
return false
for (offer in trade.ourOffers)
if (!isOfferValid(offer, offerer))
return false
@ -43,11 +50,6 @@ class TradeEvaluation{
}
fun isTradeAcceptable(trade: Trade, evaluator: CivilizationInfo, tradePartner: CivilizationInfo): Boolean {
// Edge case time! Guess what happens if you offer a peace agreement to the AI for all their cities except for the capital,
// and then capture their capital THAT SAME TURN? It can agree, leading to the civilization getting instantly destroyed!
if (trade.ourOffers.count { it.type == TradeType.City } == evaluator.cities.size)
return false
var sumOfTheirOffers = trade.theirOffers.asSequence()
.filter { it.type != TradeType.Treaty } // since treaties should only be evaluated once for 2 sides
.map { evaluateBuyCost(it, evaluator, tradePartner) }.sum()