games/vcmi
1
0
Fork 0
mirror of https://github.com/vcmi/vcmi.git synced 2024-11-24 08:32:34 +02:00
Code Issues Releases Activity

Merge pull request #1208 from Nordsoft91/battle-retreat-euristic

Browse Source 
Absolute threshold for retreat decision
This commit is contained in:
Andrii Danylchenko 2022-12-07 09:17:02 +02:00 committed by GitHub
commit fb1a6b734f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
AI/Nullkiller/AIGateway.cpp
View File

@ -30,6 +30,7 @@ namespace NKAI
// our to enemy strength ratio constants
const float SAFE_ATTACK_CONSTANT = 1.2;
const float RETREAT_THRESHOLD = 0.3;
const double RETREAT_ABSOLUTE_THRESHOLD = 10000.;
//one thread may be turn of AI and another will be handling a side effect for AI2
boost::thread_specific_ptr<CCallback> cb;
@ -500,10 +501,11 @@ boost::optional<BattleAction> AIGateway::makeSurrenderRetreatDecision(
LOG_TRACE(logAi);
NET_EVENT_HANDLER;
double fightRatio = battleState.getOurStrength() / (double)battleState.getEnemyStrength();
double ourStrength = battleState.getOurStrength();
double fightRatio = ourStrength / (double)battleState.getEnemyStrength();
// if we have no towns - things are already bad, so retreat is not an option.
if(cb->getTownsInfo().size() && fightRatio < RETREAT_THRESHOLD && battleState.canFlee)
if(cb->getTownsInfo().size() && ourStrength < RETREAT_ABSOLUTE_THRESHOLD && fightRatio < RETREAT_THRESHOLD && battleState.canFlee)
{
return BattleAction::makeRetreat(battleState.ourSide);
}