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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef PROJECTILE_HANDLER_H
#define PROJECTILE_HANDLER_H
#include <array>
#include <deque>
#include <vector>
#include "Rendering/Models/3DModel.h"
#include "Sim/Projectiles/ProjectileFunctors.h"
#include "System/float3.h"
// bypass id and event handling for unsynced projectiles (faster)
#define UNSYNCED_PROJ_NOEVENT 1
class CProjectile;
class CUnit;
class CFeature;
class CPlasmaRepulser;
class CGroundFlash;
struct UnitDef;
struct FlyingPiece;
typedef std::vector<CProjectile*> ProjectileMap;
typedef std::vector<CProjectile*> ProjectileContainer; // <unsorted>
typedef std::vector<CGroundFlash*> GroundFlashContainer;
typedef std::vector<FlyingPiece> FlyingPieceContainer;
class CProjectileHandler
{
CR_DECLARE_STRUCT(CProjectileHandler)
public:
CProjectileHandler();
~CProjectileHandler();
/// @see ConfigHandler::ConfigNotifyCallback
void ConfigNotify(const std::string& key, const std::string& value);
CProjectile* GetProjectileBySyncedID(int id);
CProjectile* GetProjectileByUnsyncedID(int id);
void CheckUnitCollisions(CProjectile*, std::vector<CUnit*>&, const float3, const float3);
void CheckFeatureCollisions(CProjectile*, std::vector<CFeature*>&, const float3, const float3);
void CheckShieldCollisions(CProjectile*, std::vector<CPlasmaRepulser*>&, const float3, const float3);
void CheckUnitFeatureCollisions(ProjectileContainer&);
void CheckGroundCollisions(ProjectileContainer&);
void CheckCollisions();
void SetMaxParticles(int value) { maxParticles = value; }
void SetMaxNanoParticles(int value) { maxNanoParticles = value; }
void Update();
float GetParticleSaturation(const bool withRandomization = true) const;
int GetCurrentParticles() const;
void AddProjectile(CProjectile* p);
void AddGroundFlash(CGroundFlash* flash);
void AddFlyingPiece(
int modelType,
const S3DModelPiece* piece,
const CMatrix44f& m,
const float3 pos,
const float3 speed,
const float2 pieceParams,
const int2 renderParams
);
void AddNanoParticle(const float3, const float3, const UnitDef*, int team, bool highPriority);
void AddNanoParticle(const float3, const float3, const UnitDef*, int team, float radius, bool inverse, bool highPriority);
public:
int maxParticles; // different effects should start to cut down on unnececary(unsynced) particles when this number is reached
int maxNanoParticles;
int currentNanoParticles;
// these vars are used to precache parts of GetCurrentParticles() calculations
int lastCurrentParticles;
int lastSyncedProjectilesCount;
int lastUnsyncedProjectilesCount;
// flying pieces are sorted from time to time to reduce gl state changes
std::array< bool, MODELTYPE_OTHER> resortFlyingPieces;
std::array<FlyingPieceContainer, MODELTYPE_OTHER> flyingPieces; // unsynced
ProjectileContainer syncedProjectiles; // contains only projectiles that can change simulation state
ProjectileContainer unsyncedProjectiles; // contains only projectiles that cannot change simulation state
GroundFlashContainer groundFlashes; // unsynced
private:
void UpdateProjectileContainer(ProjectileContainer&, bool);
std::deque<int> freeSyncedIDs; // available synced (weapon, piece) projectile ID's
std::deque<int> freeUnsyncedIDs; // available unsynced projectile ID's
ProjectileMap syncedProjectileIDs; // ID ==> projectile* map for living synced projectiles
ProjectileMap unsyncedProjectileIDs; // ID ==> projectile* map for living unsynced projectiles
};
extern CProjectileHandler* projectileHandler;
#endif /* PROJECTILE_HANDLER_H */
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