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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef BEAMLASER_H
#define BEAMLASER_H
#include "Weapon.h"
class CBeamLaser: public CWeapon
{
CR_DECLARE_DERIVED(CBeamLaser)
CR_DECLARE_SUB(SweepFireState)
public:
CBeamLaser(CUnit* owner = nullptr, const WeaponDef* def = nullptr);
void Update() override final;
void Init() override final;
private:
float3 GetFireDir(bool sweepFire, bool scriptCall);
void UpdatePosAndMuzzlePos();
float GetPredictedImpactTime(float3 p) const override final;
void UpdateSweep();
void FireInternal(float3 curDir);
void FireImpl(const bool scriptCall) override final;
private:
float3 color;
float3 oldDir;
float salvoDamageMult;
struct SweepFireState {
public:
CR_DECLARE_STRUCT(SweepFireState)
SweepFireState() {
sweepInitDst = 0.0f;
sweepGoalDst = 0.0f;
sweepCurrDst = 0.0f;
sweepStartAngle = 0.0f;
sweepFiring = false;
damageAllies = false;
}
void Init(const float3& newTargetPos, const float3& muzzlePos);
void Update(const float3& newTargetDir) {
sweepCurrDir = newTargetDir;
sweepCurrDst = sweepCurrDir.LengthNormalize();
}
void SetSweepTempDir(const float3& dir) { sweepTempDir = dir; }
void SetSweepCurrDir(const float3& dir) { sweepCurrDir = dir; }
const float3& GetSweepTempDir() const { return sweepTempDir; }
const float3& GetSweepCurrDir() const { return sweepCurrDir; }
float GetTargetDist2D() const;
float GetTargetDist3D() const { return sweepCurrDst; }
bool StartSweep(const float3& newTargetPos) const { return (newTargetPos != sweepGoalPos); }
bool StopSweep() const { return (sweepFiring && (sweepCurrDir.dot(sweepGoalDir) >= 0.95f)); }
void SetSweepFiring(bool b) { sweepFiring = b; }
void SetDamageAllies(bool b) { damageAllies = b; }
bool IsSweepFiring() const { return sweepFiring; }
bool DamageAllies() const { return damageAllies; }
private:
float3 sweepInitPos; // 3D
float3 sweepGoalPos; // 3D
float3 sweepInitDir; // 3D
float3 sweepGoalDir; // 3D
float3 sweepCurrDir; // 3D
float3 sweepTempDir; // 3D
float sweepInitDst; // 2D
float sweepGoalDst; // 2D
float sweepCurrDst; // 3D (!)
float sweepStartAngle; // radians
bool sweepFiring;
bool damageAllies;
};
SweepFireState sweepFireState;
};
#endif
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