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// Autopilot.h
// Derek Meek
// 4-30-2004
#if !defined(_AUTOPILOT_H_)
#define _AUTOPILOT_H_
#include "globalincs/pstypes.h"
#include "object/object.h"
#include <map>
// milliseconds between updates
#define NPS_TICKRATE 125
#define MAX_NAVPOINTS 8
#define NP_WAYPOINT 0x0001 // Nav Point is bound to the position of a single node of a waypoint path
#define NP_SHIP 0x0002 // Nav Point is bound to the position of a certain ship
#define NP_HIDDEN 0x0004 // Nav Point doesn't show on map and isn't selectable
#define NP_NOACCESS 0x0008 // Nav Point isn't selectable
#define NP_VISITED 0x0100 // Whether we've been within 1,000 meters of this waypoint
#define NP_NOSELECT ( NP_HIDDEN | NP_NOACCESS )
#define NP_VALIDTYPE ( NP_WAYPOINT | NP_SHIP )
struct NavPoint
{
char m_NavName[32];
int flags;
void *target_obj;
int waypoint_num; //only used when flags & NP_WAYPOINT
vec3d *GetPosition();
char* GetInternalName();
};
#define NP_MSG_FAIL_NOSEL 0
#define NP_MSG_FAIL_GLIDING 1
#define NP_MSG_FAIL_TOCLOSE 2
#define NP_MSG_FAIL_HOSTILES 3
#define NP_MSG_MISC_LINKED 4
#define NP_MSG_FAIL_HAZARD 5
#define NP_MSG_FAIL_SUPPORT_PRESENT 6
#define NP_MSG_FAIL_SUPPORT_WORKING 7
#define NP_NUM_MESSAGES 8
struct NavMessage
{
char message[256];
char filename[256]; // can be ""
};
extern bool AutoPilotEngaged;
extern int CurrentNav;
extern NavPoint Navs[MAX_NAVPOINTS];
extern NavMessage NavMsgs[NP_NUM_MESSAGES];
extern int LockAPConv;
extern SCP_map<int,int> autopilot_wings;
// Cycles through the NavPoint List
bool Sel_NextNav();
// Tell us if autopilot is allowed
// This needs:
// * Nav point selected
// * No enemies within AutopilotMinEnemyDistance meters
// * No asteroids within AutopilotMinAsteroidDistance meters
// * Destination > 1,000 meters away
// * Support ship not present or is actively leaving
bool CanAutopilot(vec3d targetPos, bool send_msg=false);
// Check if autopilot is allowed at player's current position
// See CanAutopilot(vec3d, bool) for more information
inline bool CanAutopilot(bool send_msg=false) { return CanAutopilot(Player_obj->pos, send_msg); }
// Engages autopilot
// This does:
// * Checks if Autopilot is allowed. See CanAutopilot() for conditions.
// * Control switched from player to AI
// * Time compression to 32x
// * Tell AI to fly to targeted Nav Point (for all nav-status wings/ships)
// * Sets max waypoint speed to the best-speed of the slowest ship tagged
// Returns false if autopilot cannot be started. True otherwise.
bool StartAutopilot();
// Disengages autopilot
// this does:
// * Time compression to 1x
// * Delete AI nav goal
// * Control switched from AI to player
void EndAutoPilot();
// Checks for changes every NPS_TICKRATE milliseconds
// Checks:
// * if we've gotten close enough to a nav point for it to be counted as "Visited"
// * If we're current AutoNavigating it checks if we need to autodisengage
void NavSystem_Do();
// Inits the Nav System
void NavSystem_Init();
// parse autopilot.tbl
void parse_autopilot_table(char *filename);
// Finds a Nav point by name
int FindNav(char *Nav);
// Selects a Nav point by name
void SelectNav(char *Nav);
// Deselects any navpoint selected.
void DeselectNav();
// Set A Nav point to "ZERO"
void ZeroNav(int i);
// Removes a Nav
bool DelNavPoint(char *Nav);
bool DelNavPoint(int nav);
// adds a Nav
bool AddNav_Ship(char *Nav, char *TargetName, int flags);
bool AddNav_Waypoint(char *Nav, char *WP_Path, int node, int flags);
//Change Flags
bool Nav_Alt_Flags(char *Nav, int flags);
// Sexp Accessors
bool Nav_Set_Flag(char *Nav, int flag);
bool Nav_UnSet_Flag(char *Nav, int flag);
bool Nav_Set_Hidden(char *Nav);
bool Nav_Set_NoAccess(char *Nav);
bool Nav_Set_Visited(char *Nav);
bool Nav_UnSet_Hidden(char *Nav);
bool Nav_UnSet_NoAccess(char *Nav);
bool Nav_UnSet_Visited(char *Nav);
// Useful functions
unsigned int DistanceTo(char *nav);
unsigned int DistanceTo(int nav);
bool IsVisited(char *nav);
bool IsVisited(int nav);
void send_autopilot_msg(char *msg, char *snd=NULL);
void send_autopilot_msgID(int msgid);
#endif
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