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/cvs/deliantra/server/include/cfperl.h
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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.40 by root, Tue Dec 19 04:58:04 2006 UTC vs.
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC

… …
41 41
42enum event_klass 42enum event_klass
43{ 43{
44 KLASS_NONE, 44 KLASS_NONE,
45 KLASS_GLOBAL, 45 KLASS_GLOBAL,
46 KLASS_ATTACHABLE,
46 KLASS_CLIENT, 47 KLASS_CLIENT,
47 KLASS_PLAYER, 48 KLASS_PLAYER,
48 KLASS_OBJECT, 49 KLASS_OBJECT,
49 KLASS_MAP, 50 KLASS_MAP,
50 KLASS_COMMAND, 51 KLASS_COMMAND,
… …
56# include "eventinc.h" 57# include "eventinc.h"
57# undef def 58# undef def
58 NUM_EVENT_TYPES 59 NUM_EVENT_TYPES
59}; 60};
60 61
61#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 62#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
62#define ARG_INT(v) DT_INT , static_cast<int> (v) 63#define ARG_INT(v) DT_INT , static_cast<int> (v)
63#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
64#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
65#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 66#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
66#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) 67#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
67#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<object *> (o) 68#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
68#define ARG_MAP(o) DT_MAP , (void *)static_cast<maptile *> (o) 69#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
69#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<player *> (o) 70#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
70#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<archetype *> (o) 71#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
71#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<party *> (o) 73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
72#define ARG_REGION(o) DT_REGION, (void *)static_cast<region *> (o) 74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
73#define ARG_CLIENT(o) DT_CLIENT, (void *)static_cast<client *> (o)
74 75
75// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
76 77
77// all these return true when the normal event processing should be skipped (if any) 78// all these return true when the normal event processing should be skipped (if any)
78#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
79
80#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
81#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 79#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END)
80#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END)
82#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 81#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END)
83#define INVOKE_CLIENT(event, ns, ...) INVOKE_(EVENT_ ## CLIENT ## _ ## event, ARG_CLIENT (ns), ## __VA_ARGS__) 82#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END)
84#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 83#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END)
85#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 84#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END)
86 85
87//TODO should index into @result 86//TODO should index into @result
88#define RESULT(idx,type) cfperl_result_ ## type (idx) 87#define RESULT(idx,type) cfperl_result_ ## type (idx)
89#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
90#define RESULT_INT(idx) RESULT(idx, INT) 89#define RESULT_INT(idx) RESULT(idx, INT)
91 90
92bool cfperl_invoke (event_type event, ...);
93double cfperl_result_DOUBLE (int idx); 91double cfperl_result_DOUBLE (int idx);
94int cfperl_result_INT (int idx); 92int cfperl_result_INT (int idx);
95 93
96struct attachable_base 94struct attachable
97{ 95{
96 static unordered_vector<attachable *> mortals;
97 static void check_mortals ();
98
99 enum {
100 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02,
102 };
103
104 // object is delete'd after the refcount reaches 0
105 mutable int refcnt;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); }
113
114 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible.
117 void destroy ();
118
119 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; }
121
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123
124#if 0
125private:
126 static refcounted *rc_first;
127 refcounted *rc_next;
128#endif
129
98 SV *self; // CF+ perl self 130 HV *self; // CF+ perl self
99 AV *cb; // CF+ callbacks 131 AV *cb; // CF+ callbacks
100 shstr attach; // generic extension attachment information 132 shstr attach; // generic extension attachment information
101 133
102 void clear (); // called when free'ing objects
103 void optimise (); // possibly save some memory by destroying unneeded data 134 void optimise (); // possibly save some memory by destroying unneeded data
104 void instantiate (data_type type, void *obj);
105 135
106 void attachable_clear ()
107 {
108 self = 0;
109 cb = 0;
110 attach = 0;
111 }
112
113 attachable_base () 136 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0)
114 { 138 {
115 attachable_clear ();
116 } 139 }
117 140
118 ~attachable_base ()
119 {
120 clear ();
121 }
122
123 attachable_base (const attachable_base &src) 141 attachable (const attachable &src)
124 : self (0), cb (0), attach (src.attach) 142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach)
125 { 143 {
126 } 144 }
127 145
146 virtual ~attachable ();
147
128 attachable_base &operator =(const attachable_base &src) 148 attachable &operator =(const attachable &src);
129 {
130 clear ();
131 attach = src.attach;
132 return *this;
133 }
134};
135 149
136// objects attachable from perl (or any other extension) should include or 150 bool invoke (event_type event, ...);
137// derive using the curiously recurring template pattern, to avoid
138// virtual method calls etc.
139template<class subclass>
140struct attachable : attachable_base
141{
142 void instantiate () 151 void instantiate ();
143 { 152 void reattach ();
144 if (attach) 153
145 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); 154protected:
146 } 155 // do the real refcount checking work
156 void do_check ();
157
158 // the method that does the real destroy work
159 virtual void do_destroy ();
147}; 160};
161
162// the global object is a pseudo object that cares for the global events
163struct global : attachable
164{
165 void gather_callbacks (AV *&callbacks, event_type event) const;
166};
167
168extern struct global gbl_ev;
148 169
149struct object_freezer : dynbuf 170struct object_freezer : dynbuf
150{ 171{
151 AV *av; 172 AV *av;
152 173
153 object_freezer (); 174 object_freezer ();
154 ~object_freezer (); 175 ~object_freezer ();
155 176
156 void put (attachable_base *ext); 177 void put (attachable *ext);
157
158 template<class subclass>
159 void put (attachable<subclass> *obj)
160 {
161 put ((attachable_base *)obj);
162 }
163 178
164 // used only for user-defined key-value pairs 179 // used only for user-defined key-value pairs
165 void put (const shstr &k, const shstr &v) 180 void put (const shstr &k, const shstr &v)
166 { 181 {
167 add (k); 182 add (k);
… …
296 311
297 object_thawer (const char *filename = 0); 312 object_thawer (const char *filename = 0);
298 object_thawer (const char *data, AV *perlav); 313 object_thawer (const char *data, AV *perlav);
299 ~object_thawer (); 314 ~object_thawer ();
300 315
301 void get (data_type type, void *obj, attachable_base *ext, int oid);
302
303 template<class subclass>
304 void get (attachable<subclass> *obj, int oid) 316 void get (attachable *obj, int oid);
305 {
306 if (av)
307 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
308 }
309 317
310 keyword get_kv (); // also parse value for later use 318 keyword get_kv (); // also parse value for later use
311 319
312 const char *get_str () { return last_value; } // may be 0 320 const char *get_str () { return last_value; } // may be 0
313 321

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