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// -------------------------------------------------------------------------
// AAI
//
// A skirmish AI for the Spring engine.
// Copyright Alexander Seizinger
//
// Released under GPL license: see LICENSE.html for more information.
// -------------------------------------------------------------------------
#include <list>
#include "AAIAirForceManager.h"
#include "AAIMap.h"
#include "AAI.h"
#include "AAIBuildTable.h"
#include "AAIUnitTable.h"
#include "AAIConfig.h"
#include "AAIGroup.h"
#include "AAISector.h"
#include "LegacyCpp/UnitDef.h"
using namespace springLegacyAI;
AAIAirForceManager::AAIAirForceManager(AAI *ai)
{
this->ai = ai;
my_team = ai->Getcb()->GetMyTeam();
num_of_targets = 0;
targets.resize(cfg->MAX_AIR_TARGETS);
for(int i = 0; i < cfg->MAX_AIR_TARGETS; ++i)
targets[i].unit_id = -1;
air_groups = &ai->Getgroup_list()[AIR_ASSAULT];
}
AAIAirForceManager::~AAIAirForceManager(void)
{
}
void AAIAirForceManager::CheckTarget(int unit_id, const UnitDef *def)
{
// do not attack own units
if(my_team != ai->Getcb()->GetUnitTeam(unit_id))
{
float3 pos = ai->Getcb()->GetUnitPos(unit_id);
// calculate in which sector unit is located
int x = pos.x/ai->Getmap()->xSectorSize;
int y = pos.z/ai->Getmap()->ySectorSize;
// check if unit is within the map
if(x >= 0 && x < ai->Getmap()->xSectors && y >= 0 && y < ai->Getmap()->ySectors)
{
// check for anti air defences if low on units
if(ai->Getmap()->sector[x][y].lost_units[AIR_ASSAULT-COMMANDER] >= cfg->MAX_AIR_GROUP_SIZE && ai->Getgroup_list()[AIR_ASSAULT].size() < 5)
return;
AAIGroup *group;
int max_groups;
UnitCategory category = ai->Getbt()->units_static[def->id].category;
if(ai->Getbt()->GetUnitDef(def->id).health > 8000)
max_groups = 3;
else if(ai->Getbt()->GetUnitDef(def->id).health > 4000)
max_groups = 2;
else
max_groups = 1;
for(int i = 0; i < max_groups; ++i)
{
if(category == AIR_ASSAULT)
{
group = GetAirGroup(100.0, ANTI_AIR_UNIT);
if(group)
group->DefendAirSpace(&pos);
}
else if(category <= METAL_MAKER)
{
group = GetAirGroup(100.0, BOMBER_UNIT);
if(group)
group->BombTarget(unit_id, &pos);
}
else
{
group = GetAirGroup(100.0, ASSAULT_UNIT);
if(group)
group->AirRaidUnit(unit_id);
}
}
}
}
}
void AAIAirForceManager::CheckBombTarget(int unit_id, int def_id)
{
// dont continue if target list already full
if(num_of_targets >= cfg->MAX_AIR_TARGETS)
return;
// do not add own units or units that ar already on target list
if(my_team != ai->Getcb()->GetUnitTeam(unit_id) && !IsTarget(unit_id))
{
float3 pos = ai->Getcb()->GetUnitPos(unit_id);
// calculate in which sector unit is located
int x = pos.x/ai->Getmap()->xSectorSize;
int y = pos.z/ai->Getmap()->ySectorSize;
// check if unit is within the map
if(x >= 0 && x < ai->Getmap()->xSectors && y >= 0 && y < ai->Getmap()->ySectors)
{
AddTarget(unit_id, def_id);
}
}
}
void AAIAirForceManager::AddTarget(int unit_id, int def_id)
{
for(int i = 0; i < cfg->MAX_AIR_TARGETS; ++i)
{
if(targets[i].unit_id == -1)
{
ai->LogConsole("Target added...");
targets[i].pos = ai->Getcb()->GetUnitPos(unit_id);
targets[i].def_id = def_id;
targets[i].cost = ai->Getbt()->units_static[def_id].cost;
targets[i].health = ai->Getcb()->GetUnitHealth(unit_id);
targets[i].category = ai->Getbt()->units_static[def_id].category;
ai->Getut()->units[unit_id].status = BOMB_TARGET;
++num_of_targets;
return;
}
}
// could not add target, randomly overwrite one of the existing targets
/*i = rand()%cfg->MAX_AIR_TARGETS;
targets[i].pos.x = pos.x;
targets[i].pos.z = pos.z;
targets[i].def_id = def_id;
targets[i].cost = cost;
targets[i].health = health;
targets[i].category = category;*/
}
void AAIAirForceManager::RemoveTarget(int unit_id)
{
for(int i = 0; i < cfg->MAX_AIR_TARGETS; ++i)
{
if(targets[i].unit_id == unit_id)
{
ai->LogConsole("Target removed...");
targets[i].unit_id = -1;
ai->Getut()->units[unit_id].status = ENEMY_UNIT;
--num_of_targets;
return;
}
}
}
void AAIAirForceManager::BombBestUnit(float cost, float danger)
{
float best = 0, current;
int best_target = -1;
int x, y, i;
for(i = 0; i < cfg->MAX_AIR_TARGETS; ++i)
{
if(targets[i].unit_id != -1)
{
x = targets[i].pos.x/ai->Getmap()->xSectorSize;
y = targets[i].pos.z/ai->Getmap()->ySectorSize;
current = pow(targets[i].cost, cost) / (1.0f + ai->Getmap()->sector[x][y].enemy_stat_combat_power[1] * danger) * targets[i].health / ai->Getbt()->GetUnitDef(targets[i].def_id).health ;
if(current > best)
{
best = current;
best_target = i;
}
}
}
if(best_target != -1)
{
AAIGroup *group = GetAirGroup(100.0, BOMBER_UNIT);
if(group)
{
//ai->LogConsole("Bombing...");
group->BombTarget(targets[i].unit_id, &targets[i].pos);
targets[i].unit_id = -1;
--num_of_targets;
}
}
}
AAIGroup* AAIAirForceManager::GetAirGroup(float importance, UnitType group_type)
{
if(cfg->AIR_ONLY_MOD)
{
for(list<AAIGroup*>::iterator group = air_groups->begin(); group != air_groups->end(); ++group)
{
if((*group)->task_importance < importance && group_type == (*group)->group_unit_type && (*group)->units.size() > (*group)->maxSize/2)
return *group;
}
}
else
{
for(list<AAIGroup*>::iterator group = air_groups->begin(); group != air_groups->end(); ++group)
{
if((*group)->task_importance < importance && group_type == (*group)->group_unit_type && (*group)->units.size() >= (*group)->maxSize)
return *group;
}
}
return 0;
}
bool AAIAirForceManager::IsTarget(int unit_id)
{
for(int i = 0; i < cfg->MAX_AIR_TARGETS; ++i)
{
if(targets[i].unit_id == unit_id)
return true;
}
return false;
}
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