1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3 
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13 See the GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 
19 */
20 
21 #ifndef PROGS_H
22 #define PROGS_H
23 
24 #include "pr_comp.h"		// defs shared with qcc
25 #include "progdefs.h"		// generated by program cdefs
26 #include "common.h"
27 
28 typedef union eval_s {
29     string_t string;
30     float _float;
31     float vector[3];
32     func_t function;
33     int _int;
34     int edict;
35 } eval_t;
36 
37 #define	MAX_ENT_LEAFS	48
38 typedef struct edict_s {
39     qboolean free;
40     link_t area;		// linked to a division node or leaf
41 
42     int num_leafs;
43     int leafnums[MAX_ENT_LEAFS];
44 
45     entity_state_t baseline;
46 
47     float freetime;		// sv.time when the object was freed
48     entvars_t v;		// C exported fields from progs
49 // other fields from progs come immediately after
50 } edict_t;
51 
52 #define	EDICT_FROM_AREA(l) container_of(l,edict_t,area)
53 
54 //============================================================================
55 
56 extern dprograms_t *progs;
57 extern dfunction_t *pr_functions;
58 extern char *pr_strings;
59 extern int pr_strings_size;
60 extern dstatement_t *pr_statements;
61 extern globalvars_t *pr_global_struct;
62 extern float *pr_globals;	// same as pr_global_struct
63 
64 extern int pr_edict_size;	// in bytes
65 
66 //============================================================================
67 
68 void PR_Init(void);
69 
70 void PR_ExecuteProgram(func_t fnum);
71 void PR_LoadProgs(void);
72 
73 void PR_Profile_f(void);
74 
75 edict_t *ED_Alloc(void);
76 void ED_Free(edict_t *ed);
77 
78 // returns a copy of the string allocated from the server's string heap
79 
80 void ED_Print(edict_t *ed);
81 void ED_Write(FILE *f, edict_t *ed);
82 const char *ED_ParseEdict(const char *data, edict_t *ent);
83 
84 void ED_WriteGlobals(FILE *f);
85 void ED_ParseGlobals(const char *data);
86 
87 void ED_LoadFromFile(const char *data);
88 
89 //define EDICT_NUM(n) ((edict_t *)(sv.edicts+ (n)*pr_edict_size))
90 //define NUM_FOR_EDICT(e) (((byte *)(e) - sv.edicts)/pr_edict_size)
91 
92 edict_t *EDICT_NUM(int n);
93 int NUM_FOR_EDICT(const edict_t *e);
94 
95 #define	NEXT_EDICT(e) ((edict_t *)( (byte *)e + pr_edict_size))
96 
97 #define	EDICT_TO_PROG(e) ((byte *)e - (byte *)sv.edicts)
98 #define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e))
99 
100 //============================================================================
101 
102 #define	G_FLOAT(o) (pr_globals[o])
103 #define	G_INT(o) (*(int *)&pr_globals[o])
104 #define	G_EDICT(o) ((edict_t *)((byte *)sv.edicts+ *(int *)&pr_globals[o]))
105 #define G_EDICTNUM(o) NUM_FOR_EDICT(G_EDICT(o))
106 #define	G_VECTOR(o) (&pr_globals[o])
107 #define	G_STRING(o) (PR_GetString(*(string_t *)&pr_globals[o]))
108 #define	G_FUNCTION(o) (*(func_t *)&pr_globals[o])
109 
110 #define	E_FLOAT(e,o) (((float*)&e->v)[o])
111 #define	E_INT(e,o) (*(int *)&((float*)&e->v)[o])
112 #define	E_VECTOR(e,o) (&((float*)&e->v)[o])
113 #define	E_STRING(e,o) (PR_GetString(*(string_t *)&((float*)&e->v)[o]))
114 
115 typedef void (*builtin_t) (void);
116 extern builtin_t *pr_builtins;
117 extern int pr_numbuiltins;
118 
119 extern int pr_argc;
120 
121 extern qboolean pr_trace;
122 extern dfunction_t *pr_xfunction;
123 extern int pr_xstatement;
124 
125 #ifdef NQ_HACK
126 extern unsigned short pr_crc;
127 #endif
128 #if defined(QW_HACK) && defined(SERVERONLY)
129 extern func_t SpectatorConnect;
130 extern func_t SpectatorThink;
131 extern func_t SpectatorDisconnect;
132 #endif
133 
134 void PR_RunError(const char *error, ...);
135 
136 void ED_PrintEdicts(void);
137 void ED_PrintNum(int ent);
138 
139 eval_t *GetEdictFieldValue(edict_t *ed, const char *field);
140 
141 /*
142  * PR Strings stuff
143  */
144 void PR_InitStringTable(void);
145 const char *PR_GetString(int num);
146 int PR_SetString(const char *s);
147 
148 /*
149  * Somehow, I don't think this should be exposed - but better to have it here
150  * than have hidden exports between .c files.
151  */
152 void PF_changeyaw(void);
153 
154 #endif /* PROGS_H */
155