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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 | |
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7 | struct pl; |
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8 | struct object; |
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9 | struct mapstruct; |
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10 | |
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11 | void cfperl_init (); |
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12 | void cfperl_main (); |
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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. |
9 | enum data_type { |
16 | enum data_type |
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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, |
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30 | DT_AV, // av that needs to be flattened out |
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31 | |
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32 | NUM_DATA_TYPES |
22 | }; |
33 | }; |
23 | |
34 | |
24 | enum event_klass { |
35 | enum event_klass |
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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 | |
31 | enum event_type { |
43 | enum event_type |
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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 | |
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73 | //TODO should index into @result |
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74 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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75 | #define RESULT_INT(idx) RESULT(idx, INT) |
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76 | |
60 | bool cfperl_invoke (event_type event, ...); |
77 | bool cfperl_invoke (event_type event, ...); |
61 | void cfperl_free_ob (object *op); |
78 | int cfperl_result_INT (int idx); |
62 | |
79 | |
63 | void cfperl_init (); |
80 | struct extendable_base |
64 | void cfperl_main (); |
81 | { |
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82 | void *self, *cb; // CF+ perl self and callback |
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83 | const char *attach; // generic extension attachment information |
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84 | |
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85 | void clear (); // called when free'ing objects |
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86 | void optimise (); // possibly save some memory by destroying unneeded data |
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87 | |
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88 | void extendable_init () |
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89 | { |
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90 | self = cb = 0; |
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91 | attach = 0; |
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92 | } |
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93 | }; |
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94 | |
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95 | // objects extendable from perl (or any other extension) should include or |
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96 | // derive using the curiously recurring template pattern, to avoid |
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97 | // virtual method calls etc. |
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98 | template<class subclass> |
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99 | struct extendable : extendable_base |
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100 | { |
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101 | static data_type get_dt () |
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102 | { |
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103 | subclass::get_dt (); |
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104 | } |
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105 | }; |
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106 | |
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107 | struct object_freezer |
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108 | { |
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109 | const char *filename; |
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110 | void *av; |
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111 | int idx; |
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112 | |
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113 | object_freezer (const char *filename); |
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114 | ~object_freezer (); |
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115 | |
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116 | void put (extendable_base *ext); |
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117 | |
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118 | template<class subclass> |
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119 | void put (extendable<subclass> *obj) |
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120 | { |
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121 | put ((extendable_base *)obj); |
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122 | } |
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123 | |
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124 | void finish (); |
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125 | }; |
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126 | |
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127 | struct object_thawer |
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128 | { |
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129 | void *av; |
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130 | int idx; |
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131 | |
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132 | object_thawer (const char *filename = 0); |
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133 | ~object_thawer (); |
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134 | |
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135 | void get (data_type type, void *obj, extendable_base *ext); |
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136 | |
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137 | template<class subclass> |
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138 | void get (extendable<subclass> *obj) |
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139 | { |
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140 | if (av) |
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141 | get (subclass::get_dt (), (subclass *)obj, obj); |
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142 | } |
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143 | |
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144 | void finish (); |
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145 | }; |
65 | |
146 | |
66 | #endif |
147 | #endif |
67 | |
148 | |