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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 1.8 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
24enum event_klass { 35enum event_klass
36{
25 KLASS_GLOBAL, 37 KLASS_GLOBAL,
26 KLASS_PLAYER, 38 KLASS_PLAYER,
27 KLASS_OBJECT, 39 KLASS_OBJECT,
28 KLASS_MAP, 40 KLASS_MAP,
29}; 41};
30 42
31enum event_type { 43enum event_type
44{
32# define def(klass,name) EV_ ## klass ## name, 45# define def(klass,name) EVENT_ ## klass ## _ ## name,
33# include "eventinc.h" 46# include "eventinc.h"
34# undef def 47# undef def
35 NUM_EVENT_TYPES 48 NUM_EVENT_TYPES
36}; 49};
37 50
38#define ARG_INT(v) DT_INT , static_cast<int> (v) 51#define ARG_INT(v) DT_INT , static_cast<int> (v)
39#define ARG_LONG(v) DT_LONG , static_cast<long> (v) 52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
40#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
41#define ARG_STRING(v) DT_STRING, static_cast<char *> (v) 54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
42#define ARG_DATA(s,l) DT_DATA , static_cast<void *> (s), (l) 55#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) 56#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o)
44#define ARG_MAP(o) DT_MAP , static_cast<struct mapstruct *> (o) 57#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o)
45#define ARG_PLAYER(o) DT_PLAYER, static_cast<struct pl *> (o) 58#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o)
46#define ARG_ARCH(o) DT_ARCH , static_cast<struct archetype *> (o) 59#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o)
47#define ARG_PARTY(o) DT_PARTY , static_cast<struct party *> (o) 60#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o)
48#define ARG_REGION(o) DT_REGION, static_cast<struct region *> (o) 61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
49 62
50// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
51 64
52// all these return true when the normal event processing should be skipped (if any) 65// 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) 66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END)
54 67
55#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__)
56#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__)
57#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 70#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__)
58#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 71#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__)
59 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
60bool cfperl_invoke (event_type event, ...); 77bool cfperl_invoke (event_type event, ...);
61void cfperl_free_ob (object *op); 78int cfperl_result_INT (int idx);
62 79
63void cfperl_init (); 80struct extendable_base
64void cfperl_main (); 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};
65 146
66#endif 147#endif
67 148

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