ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/include/cfperl.h
(Generate patch)

Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.3 by root, Fri Aug 25 13:24:50 2006 UTC vs.
Revision 1.14 by root, Wed Aug 30 06:06:27 2006 UTC

… …
2// cfperl.h perl interface 2// cfperl.h perl interface
3// 3//
4#ifndef CFPERL_H__ 4#ifndef CFPERL_H__
5#define CFPERL_H__ 5#define CFPERL_H__
6 6
7struct pl;
8struct object;
9struct mapstruct;
10
11void cfperl_init ();
12void cfperl_main ();
13
7// could have used templates, but a more traditional C api 14// could have used templates, but a more traditional C api
8// uses more explicit typing which is ok for this purpose. 15// uses more explicit typing which is ok for this purpose.
9enum data_type { 16enum data_type
17{
10 DT_END, // no further arguments 18 DT_END, // no further arguments
19 DT_AV, // perl-only av that needs to be flattened out
11 DT_INT, 20 DT_INT,
12 DT_LONG, 21 DT_INT64,
13 DT_DOUBLE, 22 DT_DOUBLE,
14 DT_STRING, // 0-terminated string 23 DT_STRING, // 0-terminated string
15 DT_DATA, // string + length 24 DT_DATA, // string + length
16 DT_OBJECT, 25 DT_OBJECT,
17 DT_MAP, 26 DT_MAP,
18 DT_PLAYER, 27 DT_PLAYER,
19 DT_ARCH, 28 DT_ARCH,
20 DT_PARTY, 29 DT_PARTY,
21 DT_REGION, 30 DT_REGION,
31
32 NUM_DATA_TYPES
22}; 33};
23 34
24enum event_klass { 35enum event_klass
36{
37 KLASS_NONE,
25 KLASS_GLOBAL, 38 KLASS_GLOBAL,
26 KLASS_PLAYER, 39 KLASS_PLAYER,
27 KLASS_OBJECT, 40 KLASS_OBJECT,
28 KLASS_MAP, 41 KLASS_MAP,
29}; 42};
30 43
31enum event_type { 44enum event_type
45{
32# define def(klass,name) EV_ ## klass ## name, 46# define def(klass,name) EVENT_ ## klass ## _ ## name,
33# include "eventinc.h" 47# include "eventinc.h"
34# undef def 48# undef def
49 NUM_EVENT_TYPES
35}; 50};
36 51
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
37#define ARG_INT(v) DT_INT , static_cast<int> (v) 53#define ARG_INT(v) DT_INT , static_cast<int> (v)
38#define ARG_LONG(v) DT_LONG , static_cast<long> (v) 54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
39#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
40#define ARG_STRING(v) DT_STRING, static_cast<char *> (v) 56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
41#define ARG_DATA(s,l) DT_DATA , static_cast<void *> (s), (l) 57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
42#define ARG_OBJECT(o) DT_OBJECT, static_cast<struct object *> (o) 58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
43#define ARG_MAP(o) DT_MAP , static_cast<struct mapstruct *> (o) 59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
44#define ARG_PLAYER(o) DT_PLAYER, static_cast<struct pl *> (o) 60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
45#define ARG_ARCH(o) DT_ARCH , static_cast<struct archetype *> (o) 61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
46#define ARG_PARTY(o) DT_PARTY , static_cast<struct party *> (o) 62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
47#define ARG_REGION(o) DT_REGION, static_cast<struct region *> (o) 63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
48 64
49// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
50 66
67// all these return true when the normal event processing should be skipped (if any)
51#define INVOKE(klass, event, ...) cfperl_invoke (EV_ ## klass ## event, ## __VA_ARGS__, DT_END) 68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
52 69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
53#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
54#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
55#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
56#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
57 75
58int cfperl_invoke (event_type event, ...); 76//TODO should index into @result
59void cfperl_free_ob (object *op); 77#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_INT(idx) RESULT(idx, INT)
60 79
61void cfperl_init (); 80bool cfperl_invoke (event_type event, ...);
62void cfperl_main (); 81int cfperl_result_INT (int idx);
82
83struct attachable_base
84{
85 void *self, *cb; // CF+ perl self and callback
86 const char *attach; // generic extension attachment information
87
88 void clear (); // called when free'ing objects
89 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
91
92 void attachable_init ()
93 {
94 self = cb = 0;
95 attach = 0;
96 }
97};
98
99// objects attachable from perl (or any other extension) should include or
100// derive using the curiously recurring template pattern, to avoid
101// virtual method calls etc.
102template<class subclass>
103struct attachable : attachable_base
104{
105 static data_type get_dt ()
106 {
107 return subclass::get_dt ();
108 }
109
110 void instantiate ()
111 {
112 if (attach)
113 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this));
114 }
115};
116
117struct object_freezethaw
118{
119 void *av;
120 FILE *fp;
121
122 operator FILE *() { return fp; }
123};
124
125struct object_freezer : object_freezethaw
126{
127 void *filename;
128
129 object_freezer (const char *filename);
130 ~object_freezer ();
131
132 void put (attachable_base *ext);
133
134 template<class subclass>
135 void put (attachable<subclass> *obj)
136 {
137 put ((attachable_base *)obj);
138 }
139};
140
141struct object_thawer : object_freezethaw
142{
143 object_thawer (const char *filename = 0);
144 ~object_thawer ();
145
146 void get (data_type type, void *obj, attachable_base *ext, int oid);
147
148 template<class subclass>
149 void get (attachable<subclass> *obj, int oid)
150 {
151 if (av)
152 get (subclass::get_dt (), (subclass *)obj, obj, oid);
153 }
154};
63 155
64#endif 156#endif
65 157

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines