89 lines
1.2 KiB
C
89 lines
1.2 KiB
C
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//
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// Dog leads. One end is attached somewhere, the other end it attached to a Thing and
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// restricts its movements.
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//
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#ifndef _LEAD_
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#define _LEAD_
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//
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// The lead structure. The first point of the lead is (attach_x,attach_y,attach_z).
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//
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typedef struct
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{
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UBYTE p_num; // Number of points.
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UBYTE p_index; // Index into the LEAD_point array.
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UWORD attach_x; // Where the lead is tied to
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UWORD attach_y;
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UWORD attach_z;
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UWORD attach_thing; // The thing on the other end of the leash.
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} LEAD_Lead;
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#define LEAD_MAX_LEADS 32
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extern LEAD_Lead LEAD_lead[LEAD_MAX_LEADS];
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extern SLONG LEAD_lead_upto;
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//
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// The points.
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//
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typedef struct
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{
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SLONG x;
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SLONG y;
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SLONG z;
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SLONG dx;
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SLONG dy;
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SLONG dz;
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} LEAD_Point;
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#define LEAD_MAX_POINTS 256
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extern LEAD_Point LEAD_point[LEAD_MAX_POINTS];
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extern SLONG LEAD_point_upto;
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//
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// Removes all the leads.
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//
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void LEAD_init(void);
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//
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// Creates a lead of the given length.
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//
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#define LEAD_LEN_SHORT 1
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#define LEAD_LEN_MEDIUM 2
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#define LEAD_LEN_LONG 3
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void LEAD_create(
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SLONG len,
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SLONG world_x,
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SLONG world_y,
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SLONG world_z);
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//
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// Attaches all the leads to nearby lamposts and dogs.
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//
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void LEAD_attach(void);
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//
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// Processes all the leads.
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//
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void LEAD_process(void);
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#endif
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