DoomRTX/neo/doom3/game/bots/BotAI_Battle_NBG.cpp

// BotAI_Battle_NBG.cpp
//

#pragma hdrstop
#include "precompiled.h"
#include "../Game_local.h"

/*
=====================
rvmBot::state_BattleNBG
=====================
*/
stateResult_t rvmBot::state_BattleNBG(stateParms_t* parms)
{
	bot_goal_t goal;
	idPlayer* entinfo;
	idVec3 target;

	// respawn if dead.
	if( BotIsDead( &bs ) )
	{
		stateThread.SetState("state_Respawn");
		return SRESULT_DONE_FRAME;
	}

	// if no enemy.
	if( bs.enemy < 0 || bs.enemy >= gameLocal.num_entities || gameLocal.entities[bs.enemy] == NULL )
	{
		stateThread.SetState("state_SeekLTG");
		return SRESULT_DONE_FRAME;
	}

	entinfo = gameLocal.entities[bs.enemy]->Cast<idPlayer>();
	if( entinfo == NULL )
	{
		stateThread.SetState("state_SeekLTG");
		return SRESULT_DONE_FRAME;
	}
	if( entinfo->health <= 0 )
	{
		stateThread.SetState("state_SeekNBG");
		return SRESULT_DONE_FRAME;
	}

	//update the last time the enemy was visible
	if( BotEntityVisible( bs.entitynum, bs.eye, bs.viewangles, 360, bs.enemy ) )
	{
		bs.enemyvisible_time = Bot_Time();
		target = entinfo->GetOrigin();
		bs.lastenemyorigin = target;
		bs.last_enemy_visible_position = target;
	}

	//if the bot has no goal or touches the current goal
	if( !botGoalManager.BotGetTopGoal( bs.gs, &goal ) )
	{
		bs.nbg_time = 0;
	}
	else if( BotReachedGoal( &bs, &goal ) )
	{
		bs.nbg_time = 0;
	}
	
	if( bs.nbg_time < Bot_Time() )
	{
		botGoalManager.BotPopGoal( bs.gs );
		if( botGoalManager.BotGetTopGoal( bs.gs, &goal ) )
		{
			stateThread.SetState("state_Retreat");
		}
		else
		{
			stateThread.SetState("state_BattleFight");
		}

		return SRESULT_DONE_FRAME;
	}

	//move towards the goal
	BotMoveToGoal( &bs, &goal );

	//update the attack inventory values
	BotUpdateBattleInventory( &bs, bs.enemy );

	//choose the best weapon to fight with
	BotChooseWeapon( &bs );

	BotAimAtEnemy( &bs );

	//attack the enemy if possible
	BotCheckAttack( &bs );
	return SRESULT_WAIT;
}