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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 1.8 by root, Sun Aug 27 16:15:12 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
11 DT_INT, 19 DT_INT,
12 DT_LONG, 20 DT_INT64,
13 DT_DOUBLE, 21 DT_DOUBLE,
14 DT_STRING, // 0-terminated string 22 DT_STRING, // 0-terminated string
15 DT_DATA, // string + length 23 DT_DATA, // string + length
16 DT_OBJECT, 24 DT_OBJECT,
17 DT_MAP, 25 DT_MAP,
18 DT_PLAYER, 26 DT_PLAYER,
19 DT_ARCH, 27 DT_ARCH,
20 DT_PARTY, 28 DT_PARTY,
21 DT_REGION, 29 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31
32 NUM_DATA_TYPES
22}; 33};
23 34
35enum event_klass
36{
37 KLASS_GLOBAL,
38 KLASS_PLAYER,
39 KLASS_OBJECT,
40 KLASS_MAP,
41};
42
24enum event_type { 43enum event_type
25# define def(name) EV_ ## name, 44{
45# define def(klass,name) EVENT_ ## klass ## _ ## name,
26# include "eventinc.h" 46# include "eventinc.h"
27# undef def 47# undef def
48 NUM_EVENT_TYPES
28}; 49};
29 50
30#define DT_INT(v) DT_INT , (int)(v) 51#define ARG_INT(v) DT_INT , static_cast<int> (v)
31#define DT_LONG(v) DT_LONG , (long)(v) 52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
32#define DT_DOUBLE(v) DT_DOUBLE, (double)(v) 53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
33#define DT_STRING(v) DT_STRING, (char *)(v) 54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
34#define DT_DATA(s,l) DT_DATA , (void *)(s), (l) 55#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
35#define DT_OBJECT(o) DT_OBJECT, (object *)(o) 56#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
36#define DT_MAP(o) DT_MAP , (map *)(o) 57#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
37#define DT_PLAYER(o) DT_PLAYER, (player *)(o) 58#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
38#define DT_ARCH(o) DT_ARCH , (archetype *)(o) 59#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
39#define DT_PARTY(o) DT_PARTY , (party *)(o) 60#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
40#define DT_REGION(o) DT_REGION, (region *)(o) 61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
41 62
42#define INVOKE(event, ...) cfperl_invoke ("cf::invoke" , EV_ # event, __VA_ARGS__, DT_END) 63// 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 64
46int cfperl_invoke (const char *klass, event_type event, ...); 65// all these return true when the normal event processing should be skipped (if any)
66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END)
47 67
48void cfperl_main (); 68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__)
69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__)
70#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__)
71#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__)
72
73//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT)
76
77bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx);
79
80struct extendable_base
81{
82 void *self, *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information
84
85 void clear (); // called when free'ing objects
86 void optimise (); // possibly save some memory by destroying unneeded data
87
88 void extendable_init ()
89 {
90 self = cb = 0;
91 attach = 0;
92 }
93};
94
95// objects extendable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc.
98template<class subclass>
99struct extendable : extendable_base
100{
101 static data_type get_dt ()
102 {
103 subclass::get_dt ();
104 }
105};
106
107struct object_freezer
108{
109 const char *filename;
110 void *av;
111 int idx;
112
113 object_freezer (const char *filename);
114 ~object_freezer ();
115
116 void put (extendable_base *ext);
117
118 template<class subclass>
119 void put (extendable<subclass> *obj)
120 {
121 put ((extendable_base *)obj);
122 }
123
124 void finish ();
125};
126
127struct object_thawer
128{
129 void *av;
130 int idx;
131
132 object_thawer (const char *filename = 0);
133 ~object_thawer ();
134
135 void get (data_type type, void *obj, extendable_base *ext);
136
137 template<class subclass>
138 void get (extendable<subclass> *obj)
139 {
140 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj);
142 }
143
144 void finish ();
145};
49 146
50#endif 147#endif
148

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