games/vcmi
1
0
Fork 0
mirror of https://github.com/vcmi/vcmi.git synced 2025-07-15 01:24:45 +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
parent 4b19d37988 d4c9b8f6b5
commit fb1a6b734f
1 changed files with 4 additions and 2 deletions
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 // our to enemy strength ratio constants
const float SAFE_ATTACK_CONSTANT = 1.2; const float SAFE_ATTACK_CONSTANT = 1.2;
const float RETREAT_THRESHOLD = 0.3; 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 //one thread may be turn of AI and another will be handling a side effect for AI2
boost::thread_specific_ptr<CCallback> cb; boost::thread_specific_ptr<CCallback> cb;
@ -500,10 +501,11 @@ boost::optional<BattleAction> AIGateway::makeSurrenderRetreatDecision(
LOG_TRACE(logAi); LOG_TRACE(logAi);
NET_EVENT_HANDLER; 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 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); return BattleAction::makeRetreat(battleState.ourSide);
} }