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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.2 by root, Thu Aug 24 17:29:30 2006 UTC vs.
Revision 1.12 by root, Mon Aug 28 14:05:24 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
35enum event_klass
36{
37 KLASS_NONE,
38 KLASS_GLOBAL,
39 KLASS_PLAYER,
40 KLASS_OBJECT,
41 KLASS_MAP,
42};
43
24enum event_type { 44enum event_type
25# define def(name) EV_ ## name, 45{
46# define def(klass,name) EVENT_ ## klass ## _ ## name,
26# include "eventinc.h" 47# include "eventinc.h"
27# undef def 48# undef def
49 NUM_EVENT_TYPES
28}; 50};
29 51
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
30#define DT_INT(v) DT_INT , (int)(v) 53#define ARG_INT(v) DT_INT , static_cast<int> (v)
31#define DT_LONG(v) DT_LONG , (long)(v) 54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
32#define DT_DOUBLE(v) DT_DOUBLE, (double)(v) 55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
33#define DT_STRING(v) DT_STRING, (char *)(v) 56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
34#define DT_DATA(s,l) DT_DATA , (void *)(s), (l) 57#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
35#define DT_OBJECT(o) DT_OBJECT, (object *)(o) 58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
36#define DT_MAP(o) DT_MAP , (map *)(o) 59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
37#define DT_PLAYER(o) DT_PLAYER, (player *)(o) 60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
38#define DT_ARCH(o) DT_ARCH , (archetype *)(o) 61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
39#define DT_PARTY(o) DT_PARTY , (party *)(o) 62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
40#define DT_REGION(o) DT_REGION, (region *)(o) 63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
41 64
42#define INVOKE(event, ...) cfperl_invoke ("cf::invoke" , EV_ # event, __VA_ARGS__, DT_END) 65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
43// should be called on all objects, should be optimised
44#define INVOKE_ON(object,event, ...) cfperl_invoke ("cf::invoke_on" , EV_ # event, DT_OBJECT(object), __VA_ARGS__, DT_END)
45 66
46int cfperl_invoke (const char *klass, event_type event, ...); 67// all these return true when the normal event processing should be skipped (if any)
68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
47 69
48void cfperl_main (); 70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
72#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
73#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
74#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
75
76//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_INT(idx) RESULT(idx, INT)
79
80bool cfperl_invoke (event_type event, ...);
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
91 void attachable_init ()
92 {
93 self = cb = 0;
94 attach = 0;
95 }
96};
97
98// objects attachable from perl (or any other extension) should include or
99// derive using the curiously recurring template pattern, to avoid
100// virtual method calls etc.
101template<class subclass>
102struct attachable : attachable_base
103{
104 static data_type get_dt ()
105 {
106 subclass::get_dt ();
107 }
108};
109
110struct object_freezethaw
111{
112 void *av;
113 FILE *fp;
114
115 operator FILE *() { return fp; }
116};
117
118struct object_freezer : object_freezethaw
119{
120 void *filename;
121
122 object_freezer (const char *filename);
123 ~object_freezer ();
124
125 void put (attachable_base *ext);
126
127 template<class subclass>
128 void put (attachable<subclass> *obj)
129 {
130 put ((attachable_base *)obj);
131 }
132};
133
134struct object_thawer : object_freezethaw
135{
136 object_thawer (FILE *fp, const char *filename = 0);
137 ~object_thawer ();
138
139 void get (data_type type, void *obj, attachable_base *ext, int oid);
140
141 template<class subclass>
142 void get (attachable<subclass> *obj, int oid)
143 {
144 if (av)
145 get (subclass::get_dt (), (subclass *)obj, obj, oid);
146 }
147};
49 148
50#endif 149#endif
150

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