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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Campaign defines a strategic military scenario.  This class
    owns (or generates) the Mission list that defines the action
    in the campaign.
*/

#ifndef Campaign_h
#define Campaign_h

#include <starshatter/definition.h>

#include "Types.h"
#include "Bitmap.h"
#include "Geometry.h"
#include "Text.h"
#include "List.h"

// +--------------------------------------------------------------------+

class Campaign;
class CampaignPlan;
class Combatant;
class CombatAction;
class CombatEvent;
class CombatGroup;
class CombatUnit;
class CombatZone;
class DataLoader;
class Mission;
class MissionTemplate;
class StarSystem;

// +--------------------------------------------------------------------+

class MissionInfo
{
public:
    static const char* TYPENAME() { return "MissionInfo"; }

    MissionInfo();
    ~MissionInfo();

    int operator == (const MissionInfo& m) const { return id == m.id; }
    int operator <  (const MissionInfo& m) const { return id <  m.id; }
    int operator <= (const MissionInfo& m) const { return id <= m.id; }

    bool     IsAvailable();

    int      id;
    Text     name;
    Text     player_info;
    Text     description;
    Text     system;
    Text     region;
    Text     script;
    int      start;
    int      type;

    int      min_rank;
    int      max_rank;
    int      action_id;
    int      action_status;
    int      exec_once;
    int      start_before;
    int      start_after;

    Mission* mission;
};

class TemplateList
{
public:
    static const char* TYPENAME() { return "TemplateList"; }

    TemplateList();
    ~TemplateList();

    int               mission_type;
    int               group_type;
    int               index;
    List<MissionInfo> missions;
};

// +--------------------------------------------------------------------+

class Campaign
{
public:
    static const char* TYPENAME() { return "Campaign"; }

    enum CONSTANTS {
        TRAINING_CAMPAIGN    =    1,
        DYNAMIC_CAMPAIGN,
        MOD_CAMPAIGN         =  100,
        SINGLE_MISSIONS      = 1000,
        MULTIPLAYER_MISSIONS,
        CUSTOM_MISSIONS,

        NUM_IMAGES           = 6
    };

    enum STATUS {
        CAMPAIGN_INIT,
        CAMPAIGN_ACTIVE,
        CAMPAIGN_SUCCESS,
        CAMPAIGN_FAILED
    };

    Campaign(int id, const char* name=0);
    Campaign(int id, const char* name, const char* path);
    virtual ~Campaign();

    int operator == (const Campaign& s) const   { return name == s.name; }
    int operator <  (const Campaign& s) const   { return campaign_id < s.campaign_id; }

    // operations:
    virtual void         Load();
    virtual void         Prep();
    virtual void         Start();
    virtual void         ExecFrame();
    virtual void         Unload();

    virtual void         Clear();
    virtual void         LockoutEvents(int seconds);
    virtual void         CheckPlayerGroup();
    void                 CreatePlanners();

    // accessors:
    const char*          Name()         const { return name;          }
    const char*          Description()  const { return description;   }
    const char*          Path()         const { return path;          }

    const char*          Situation()    const { return situation;     }
    const char*          Orders()       const { return orders;        }

    void                 SetSituation(const char* s) { situation = s; }
    void                 SetOrders(const char* o)    { orders = o;    }

    int                  GetPlayerTeamScore();
    List<MissionInfo>&   GetMissionList()     { return missions;      }
    List<Combatant>&     GetCombatants()      { return combatants;    }
    List<CombatZone>&    GetZones()           { return zones;         }
    List<StarSystem>&    GetSystemList()      { return systems;       }
    List<CombatAction>&  GetActions()         { return actions;       }
    List<CombatEvent>&   GetEvents()          { return events;        }
    CombatEvent*         GetLastEvent();

    CombatAction*        FindAction(int id);

    int                  CountNewEvents() const;

    int                  GetPlayerIFF();
    CombatGroup*         GetPlayerGroup()     { return player_group;  }
    void                 SetPlayerGroup(CombatGroup* pg);
    CombatUnit*          GetPlayerUnit()      { return player_unit;   }
    void                 SetPlayerUnit(CombatUnit* pu);

    Combatant*           GetCombatant(const char* name);
    CombatGroup*         FindGroup(int iff, int type, int id);
    CombatGroup*         FindGroup(int iff, int type, CombatGroup* near_group=0);
    CombatGroup*         FindStrikeTarget(int iff, CombatGroup* strike_group);

    StarSystem*          GetSystem(const char* sys);
    CombatZone*          GetZone(const char* rgn);
    MissionInfo*         CreateNewMission();
    void                 DeleteMission(int id);
    Mission*             GetMission();
    Mission*             GetMission(int id);
    Mission*             GetMissionByFile(const char* filename);
    MissionInfo*         GetMissionInfo(int id);
    MissionInfo*         FindMissionTemplate(int msn_type, CombatGroup* player_group);
    void                 ReloadMission(int id);
    void                 LoadNetMission(int id, const char* net_mission);
    void                 StartMission();
    void                 RollbackMission();

    void                 SetCampaignId(int id);
    int                  GetCampaignId()   const { return campaign_id; }
    void                 SetMissionId(int id);
    int                  GetMissionId()    const { return mission_id;  }
    Bitmap*              GetImage(int n)         { return &image[n];   }
    long double          GetTime()         const { return time;        }
    long double          LoadTime() const;
    void                 SetLoadTime(long double value);
    long double          StartTime() const;
    void                 SetStartTime(long double value);

    bool                 InCutscene()      const;
    bool                 IsDynamic()       const;
    bool                 IsTraining()      const;
    bool                 IsScripted()      const;
    bool                 IsSequential()    const;
    bool                 IsSaveGame()      const { return loaded_from_savegame;       }
    void                 SetSaveGame(bool s)     { loaded_from_savegame = s;          }

    bool                 IsActive()        const { return status == CAMPAIGN_ACTIVE;  }
    bool                 IsComplete()      const { return status == CAMPAIGN_SUCCESS; }
    bool                 IsFailed()        const { return status == CAMPAIGN_FAILED;  }
    void                 SetStatus(int s);
    int                  GetStatus()       const { return status;                     }

    int                  GetAllCombatUnits(int iff, List<CombatUnit>& units);

    static void          Initialize();
    static void          Close();
    static Campaign*     GetCampaign();
    static List<Campaign>&
    GetAllCampaigns();
    static int           GetLastCampaignId();
    static Campaign*     SelectCampaign(const char* name);
    static Campaign*     CreateCustomCampaign(const char* name, const char* path);

    static long double   Stardate();

protected:
    void                 LoadCampaign(DataLoader* loader, bool full=false);
    void                 LoadTemplateList(DataLoader* loader);
    void                 LoadMissionList(DataLoader* loader);
    void                 LoadCustomMissions(DataLoader* loader);
    void                 ParseGroup(TermStruct*  val,
    CombatGroup* force,
    CombatGroup* clone,
    const char*  filename);
    void                 ParseAction(TermStruct* val,
    const char* filename);
    CombatGroup*         CloneOver(CombatGroup*  force,
    CombatGroup*  clone,
    CombatGroup*  group);
    void                 SelectDefaultPlayerGroup(CombatGroup* g, int type);
    TemplateList*        GetTemplateList(int msn_type, int grp_type);

    // attributes:
    int                  campaign_id;
    int                  status;
    char                 filename[64];
    char                 path[64];
    Text                 name;
    Text                 description;
    Text                 situation;
    Text                 orders;
    Bitmap               image[NUM_IMAGES];

    bool                 scripted;
    bool                 sequential;
    bool                 loaded_from_savegame;

    List<Combatant>      combatants;
    List<StarSystem>     systems;
    List<CombatZone>     zones;
    List<CampaignPlan>   planners;
    List<MissionInfo>    missions;
    List<TemplateList>   templates;
    List<CombatAction>   actions;
    List<CombatEvent>    events;
    CombatGroup*         player_group;
    CombatUnit*          player_unit;

    int                  mission_id;
    Mission*             mission;
    Mission*             net_mission;

    long double          time;
    long double          load_time;
    long double          start_time;
    int                  lockout;
};

#endif  // Campaign_h