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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.
// -------------------------------------------------------------------------
#ifndef AAI_THREATMAP_H
#define AAI_THREATMAP_H
#include "aidef.h"
#include "AAITypes.h"
#include "AAISector.h"
enum class EThreatType : int
{
UNKNOWN = 0x00, //! Not set
COMBAT_POWER = 0x01, //! Consider enemy combat power
LOST_UNITS = 0x02, //! Consider own lost units
ALL = 0x03 //! Conider enemy combat power and own lost units
};
class AAIThreatMap
{
public:
AAIThreatMap(int xSectors, int ySectors);
~AAIThreatMap(void);
//! @brief Calculates the combat power values for each sector assuming given position of own units
void UpdateLocalEnemyCombatPower(const AAITargetType& targetType, const SectorMap& sectors);
//! @brief Determines sector to attack (nullptr if none found)
const AAISector* DetermineSectorToAttack(const AAITargetType& attackerTargetType, const MapPos& position, const SectorMap& sectors) const;
//! @brief Determines the total enemy defence power of the sector in a line from start to target position
float CalculateEnemyDefencePower(const AAITargetType& targetType, const float3& startPosition, const float3& targetPosition, const SectorMap& sectors) const;
private:
template<EThreatType threatTypeToConsider>
float CalculateThreat(const AAITargetType& targetType, const SectorIndex& startSectorIndex, const SectorIndex& targetSectorIndex, const SectorMap& sectors) const;
//! Buffer to store the estimated enemy combat power available to defend each sector
std::vector< std::vector<MobileTargetTypeValues> > m_estimatedEnemyCombatPowerForSector;
};
#endif
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