1/*
2Copyright (C) 1996-1997 Id Software, Inc.
3
4This program is free software; you can redistribute it and/or
5modify it under the terms of the GNU General Public License
6as published by the Free Software Foundation; either version 2
7of the License, or (at your option) any later version.
8
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13See the GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program; if not, write to the Free Software
17Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19*/
20
21#include "pr_comp.h"			// defs shared with qcc
22#include "progdefs.h"			// generated by program cdefs
23
24typedef union eval_s
25{
26	string_t		string;
27	float			_float;
28	float			vector[3];
29	func_t			function;
30	int				_int;
31	int				edict;
32} eval_t;
33
34#define	MAX_ENT_LEAFS	16
35typedef struct edict_s
36{
37	qboolean	free;
38	link_t		area;				// linked to a division node or leaf
39
40	int			num_leafs;
41	short		leafnums[MAX_ENT_LEAFS];
42
43	entity_state_t	baseline;
44
45	float		freetime;			// sv.time when the object was freed
46	union {
47	  entvars_t	v;					// C exported fields from progs
48	  int i[1]; // Variable length
49	  float f[1];
50	  string_t s[1];
51	} u;
52// other fields from progs come immediately after
53} edict_t;
54#define	EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,edict_t,area)
55
56//============================================================================
57
58extern	dprograms_t		*progs;
59extern	dfunction_t		*pr_functions;
60extern	char			*pr_strings;
61extern	ddef_t			*pr_globaldefs;
62extern	ddef_t			*pr_fielddefs;
63extern	dstatement_t	*pr_statements;
64extern	globalvars_t	*pr_global_struct;
65extern	float			*pr_globals;			// same as pr_global_struct
66
67extern	int				pr_edict_size;	// in bytes
68
69//============================================================================
70
71void PR_Init (void);
72
73void PR_ExecuteProgram (func_t fnum);
74void PR_LoadProgs (void);
75
76void PR_Profile_f (void);
77
78edict_t *ED_Alloc (void);
79void ED_Free (edict_t *ed);
80
81char	*ED_NewString (const char *string);
82// returns a copy of the string allocated from the server's string heap
83
84void ED_Print (edict_t *ed);
85void ED_Write (FILE *f, edict_t *ed);
86char *ED_ParseEdict (char *data, edict_t *ent);
87
88void ED_WriteGlobals (FILE *f);
89void ED_ParseGlobals (char *data);
90
91void ED_LoadFromFile (char *data);
92
93//define EDICT_NUM(n) ((edict_t *)(sv.edicts+ (n)*pr_edict_size))
94//define NUM_FOR_EDICT(e) (((byte *)(e) - sv.edicts)/pr_edict_size)
95
96edict_t *EDICT_NUM(int n);
97int NUM_FOR_EDICT(edict_t *e);
98
99#define	NEXT_EDICT(e) ((edict_t *)( (byte *)e + pr_edict_size))
100
101#define	EDICT_TO_PROG(e) ((byte *)e - (byte *)sv.edicts)
102#define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e))
103
104//============================================================================
105
106#define	G_FLOAT(o) (pr_globals[o])
107#define	G_INT(o) (*(int *)&pr_globals[o])
108#define	G_EDICT(o) ((edict_t *)((byte *)sv.edicts+ *(int *)&pr_globals[o]))
109#define G_EDICTNUM(o) NUM_FOR_EDICT(G_EDICT(o))
110#define	G_VECTOR(o) (&pr_globals[o])
111#define	G_STRING(o) (pr_strings + *(string_t *)&pr_globals[o])
112#define	G_FUNCTION(o) (*(func_t *)&pr_globals[o])
113
114#define	E_FLOAT(e,o) (((float*)&e->u.v)[o])
115#define	E_INT(e,o) (*(int *)&((float*)&e->u.v)[o])
116#define	E_VECTOR(e,o) (&((float*)&e->u.v)[o])
117#define	E_STRING(e,o) (pr_strings + e->u.s[o])
118
119extern	int		type_size[8];
120
121typedef void (*builtin_t) (void);
122extern	builtin_t *pr_builtins;
123extern int pr_numbuiltins;
124
125extern int		pr_argc;
126
127extern	qboolean	pr_trace;
128extern	dfunction_t	*pr_xfunction;
129extern	int			pr_xstatement;
130
131extern	unsigned short		pr_crc;
132
133void PR_RunError (const char *error, ...);
134
135void ED_PrintEdicts (void);
136void ED_PrintNum (int ent);
137
138eval_t *GetEdictFieldValue(edict_t *ed, const char *field);
139
140