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#ifndef _GRPINTRN_H
#define _GRPINTRN_H
// For IPGROUP
#include "grpinfo.h"
// For SHIP_FRAGMENT
#include "races.h"
// For GAME_STATE_FILE
#include "state.h"
//#define DEBUG_GROUPS
// A group header describes battle groups present in a star system. There is
// at most 1 group header per system.
// 'Random' group info file (RANDGRPINFO_FILE) always contains only one
// group header record, which describes the last-visited star system,
// (which may be the current system). Thus the randomly generated groups
// are valid for 7 days (set in PutGroupInfo) after the player leaves
// the system, or until the player enters another star system.
typedef struct
{
BYTE NumGroups;
BYTE day_index, month_index;
COUNT star_index, year_index;
// day_index, month_index, year_index specify when
// random groups expire (if you were to leave the system
// by going to HSpace and stay there till such time)
// star_index is the index of a star this group header
// applies to; ~0 means uninited
DWORD GroupOffset[NUM_SAVED_BATTLE_GROUPS + 1];
// Absolute offsets of group definitions in a state file
// Group 0 is a list of groups present in solarsys
// (RANDGRPINFO_FILE only)
// Groups 1..max are definitions of actual battle groups
// containing ship makeup and status
// Each group has the following format:
// 1 byte, RaceType (LastEncGroup in Group 0)
// 1 byte, NumShips (NumGroups in Group 0)
// Ships follow:
// 1 byte, RaceType
// 16 bytes, part of SHIP_FRAGMENT struct
// (part of IP_GROUP struct in Group 0)
} GROUP_HEADER;
void ReadGroupHeader (GAME_STATE_FILE *fp, GROUP_HEADER *pGH);
void WriteGroupHeader (GAME_STATE_FILE *fp, const GROUP_HEADER *pGH);
void ReadShipFragment (GAME_STATE_FILE *fp, SHIP_FRAGMENT *FragPtr);
void WriteShipFragment (GAME_STATE_FILE *fp, const SHIP_FRAGMENT *FragPtr);
void ReadIpGroup (GAME_STATE_FILE *fp, IP_GROUP *GroupPtr);
void WriteIpGroup (GAME_STATE_FILE *fp, const IP_GROUP *GroupPtr);
#endif
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