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6 | #else |
6 | #else |
7 | # define is_constant(c) 0 |
7 | # define is_constant(c) 0 |
8 | #endif |
8 | #endif |
9 | |
9 | |
10 | #include <cstddef> |
10 | #include <cstddef> |
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11 | #include <new> |
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12 | #include <vector> |
11 | |
13 | |
12 | #include <glib.h> |
14 | #include <glib.h> |
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15 | |
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16 | #include <shstr.h> |
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17 | #include <traits.h> |
13 | |
18 | |
14 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
19 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
15 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
20 | #define AUTODECL(var,expr) typeof(expr) var = (expr) |
16 | |
21 | |
17 | // makes dynamically allocated objects zero-initialised |
22 | // makes dynamically allocated objects zero-initialised |
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42 | { |
47 | { |
43 | g_slice_free1 (s, p); |
48 | g_slice_free1 (s, p); |
44 | } |
49 | } |
45 | }; |
50 | }; |
46 | |
51 | |
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52 | void *salloc_ (int n) throw (std::bad_alloc); |
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53 | void *salloc_ (int n, void *src) throw (std::bad_alloc); |
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54 | |
47 | // strictly the same as g_slice_alloc, but never returns 0 |
55 | // strictly the same as g_slice_alloc, but never returns 0 |
48 | void *alloc (int s) throw (std::bad_alloc); |
56 | template<typename T> |
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57 | inline T *salloc (int n = 1) throw (std::bad_alloc) { return (T *)salloc_ (n * sizeof (T)); } |
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58 | |
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59 | // also copies src into the new area, like "memdup" |
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60 | // if src is 0, clears the memory |
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61 | template<typename T> |
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62 | inline T *salloc (int n, T *src) throw (std::bad_alloc) { return (T *)salloc_ (n * sizeof (T), (void *)src); } |
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63 | |
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64 | // clears the memory |
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65 | template<typename T> |
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66 | inline T *salloc0(int n = 1) throw (std::bad_alloc) { return (T *)salloc_ (n * sizeof (T), 0); } |
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67 | |
49 | // for symmetry |
68 | // for symmetry |
50 | inline void dealloc (void *p, int s) throw () |
69 | template<typename T> |
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70 | inline void sfree (T *ptr, int n = 1) throw () |
51 | { |
71 | { |
52 | g_slice_free1 (s, p); |
72 | g_slice_free1 (n * sizeof (T), (void *)ptr); |
53 | } |
73 | } |
54 | |
74 | |
55 | // a STL-compatible allocator that uses g_slice |
75 | // a STL-compatible allocator that uses g_slice |
56 | // boy, this is verbose |
76 | // boy, this is verbose |
57 | template<typename Tp> |
77 | template<typename Tp> |
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81 | pointer address (reference x) const { return &x; } |
101 | pointer address (reference x) const { return &x; } |
82 | const_pointer address (const_reference x) const { return &x; } |
102 | const_pointer address (const_reference x) const { return &x; } |
83 | |
103 | |
84 | pointer allocate (size_type n, const_pointer = 0) |
104 | pointer allocate (size_type n, const_pointer = 0) |
85 | { |
105 | { |
86 | return static_cast<pointer>(alloc (n * sizeof (Tp))); |
106 | return salloc<Tp> (n); |
87 | } |
107 | } |
88 | |
108 | |
89 | void deallocate (pointer p, size_type n) |
109 | void deallocate (pointer p, size_type n) |
90 | { |
110 | { |
91 | dealloc (static_cast<void *>(p), n * sizeof (Tp)); |
111 | sfree<Tp> (p, n); |
92 | } |
112 | } |
93 | |
113 | |
94 | size_type max_size ()const throw () |
114 | size_type max_size ()const throw () |
95 | { |
115 | { |
96 | return size_t (-1) / sizeof (Tp); |
116 | return size_t (-1) / sizeof (Tp); |
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103 | |
123 | |
104 | void destroy (pointer p) |
124 | void destroy (pointer p) |
105 | { |
125 | { |
106 | p->~Tp (); |
126 | p->~Tp (); |
107 | } |
127 | } |
108 | }; |
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109 | |
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110 | struct refcounted |
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111 | { |
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112 | mutable int refcnt; |
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113 | refcounted () : refcnt (0) { } |
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114 | void refcnt_inc () { ++refcnt; } |
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115 | void refcnt_dec () { --refcnt; |
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116 | if (refcnt < 0)abort();}//D |
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117 | }; |
128 | }; |
118 | |
129 | |
119 | template<class T> |
130 | template<class T> |
120 | struct refptr |
131 | struct refptr |
121 | { |
132 | { |
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144 | T &operator * () const { return *p; } |
155 | T &operator * () const { return *p; } |
145 | T *operator ->() const { return p; } |
156 | T *operator ->() const { return p; } |
146 | |
157 | |
147 | operator T *() const { return p; } |
158 | operator T *() const { return p; } |
148 | }; |
159 | }; |
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160 | |
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161 | typedef refptr<maptile> maptile_ptr; |
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162 | typedef refptr<object> object_ptr; |
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163 | typedef refptr<archetype> arch_ptr; |
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164 | typedef refptr<client> client_ptr; |
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165 | typedef refptr<player> player_ptr; |
149 | |
166 | |
150 | struct str_hash |
167 | struct str_hash |
151 | { |
168 | { |
152 | std::size_t operator ()(const char *s) const |
169 | std::size_t operator ()(const char *s) const |
153 | { |
170 | { |
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179 | { |
196 | { |
180 | return !strcmp (a, b); |
197 | return !strcmp (a, b); |
181 | } |
198 | } |
182 | }; |
199 | }; |
183 | |
200 | |
184 | #include <vector> |
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185 | |
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186 | template<class obj> |
201 | template<class obj> |
187 | struct unordered_vector : std::vector<obj, slice_allocator<obj> > |
202 | struct unordered_vector : std::vector<obj, slice_allocator<obj> > |
188 | { |
203 | { |
189 | typedef typename unordered_vector::iterator iterator; |
204 | typedef typename unordered_vector::iterator iterator; |
190 | |
205 | |
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216 | inline void assign (char (&dst)[N], const char *src) |
231 | inline void assign (char (&dst)[N], const char *src) |
217 | { |
232 | { |
218 | assign ((char *)&dst, src, N); |
233 | assign ((char *)&dst, src, N); |
219 | } |
234 | } |
220 | |
235 | |
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236 | typedef double tstamp; |
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237 | |
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238 | // return current time as timestampe |
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239 | tstamp now (); |
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240 | |
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241 | int similar_direction (int a, int b); |
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242 | |
221 | #endif |
243 | #endif |
222 | |
244 | |