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/cvs/deliantra/server/include/cfperl.h
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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.4 by root, Fri Aug 25 15:21:56 2006 UTC vs.
Revision 1.11 by root, Mon Aug 28 07:07:41 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
35 NUM_EVENT_TYPES 49 NUM_EVENT_TYPES
36}; 50};
37 51
52#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
38#define ARG_INT(v) DT_INT , static_cast<int> (v) 53#define ARG_INT(v) DT_INT , static_cast<int> (v)
39#define ARG_LONG(v) DT_LONG , static_cast<long> (v) 54#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
40#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 55#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
41#define ARG_STRING(v) DT_STRING, static_cast<char *> (v) 56#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
42#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)
43#define ARG_OBJECT(o) DT_OBJECT, static_cast<struct object *> (o) 58#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
44#define ARG_MAP(o) DT_MAP , static_cast<struct mapstruct *> (o) 59#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
45#define ARG_PLAYER(o) DT_PLAYER, static_cast<struct pl *> (o) 60#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
46#define ARG_ARCH(o) DT_ARCH , static_cast<struct archetype *> (o) 61#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
47#define ARG_PARTY(o) DT_PARTY , static_cast<struct party *> (o) 62#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
48#define ARG_REGION(o) DT_REGION, static_cast<struct region *> (o) 63#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
49 64
50// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 65// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
51 66
52// all these return true when the normal event processing should be skipped (if any) 67// all these return true when the normal event processing should be skipped (if any)
53#define INVOKE(klass, event, ...) cfperl_invoke (EV_ ## klass ## event, ## __VA_ARGS__, DT_END) 68#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
54 69
70#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
55#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 71#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
56#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__)
57#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__)
58#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__)
75
76//TODO should index into @result
77#define RESULT(idx,type) cfperl_result_ ## type (idx)
78#define RESULT_INT(idx) RESULT(idx, INT)
59 79
60bool cfperl_invoke (event_type event, ...); 80bool cfperl_invoke (event_type event, ...);
61void cfperl_free_ob (object *op); 81int cfperl_result_INT (int idx);
62 82
63void cfperl_init (); 83struct attachable_base
64void cfperl_main (); 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_freezer
111{
112 const char *filename;
113 void *av;
114
115 object_freezer (const char *filename);
116 ~object_freezer ();
117
118 void put (FILE *fp, attachable_base *ext);
119
120 template<class subclass>
121 void put (FILE *fp, attachable<subclass> *obj)
122 {
123 put (fp, (attachable_base *)obj);
124 }
125
126 void finish ();
127};
128
129struct object_thawer
130{
131 void *av;
132
133 object_thawer (const char *filename = 0);
134 ~object_thawer ();
135
136 void get (data_type type, void *obj, attachable_base *ext, int oid);
137
138 template<class subclass>
139 void get (attachable<subclass> *obj, int oid)
140 {
141 if (av)
142 get (subclass::get_dt (), (subclass *)obj, obj, oid);
143 }
144
145 void finish ();
146};
65 147
66#endif 148#endif
67 149

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