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elmex |
1.1 |
/* |
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CrossFire, A Multiplayer game for X-windows |
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pippijn |
1.10 |
Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
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elmex |
1.1 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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root |
1.7 |
The maintainer of this code can be reached at <crossfire@schmorp.de> |
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elmex |
1.1 |
*/ |
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#include <global.h> |
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#include <stdio.h> |
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New_Face *new_faces; |
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|
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/* bmappair and xbm are used when looking for the image id numbers |
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* of a face by name. xbm is sorted alphabetically so that bsearch |
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* can be used to quickly find the entry for a name. the number is |
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* then an index into the new_faces array. |
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* This data is redundant with new_face information - the difference |
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* is that this data gets sorted, and that doesn't necessarily happen |
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* with the new_face data - when accessing new_face[some number], |
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* that some number corresponds to the face at that number - for |
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* xbm, it may not. At current time, these do in fact match because |
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* the bmaps file is created in a sorted order. |
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*/ |
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root |
1.4 |
struct bmappair |
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{ |
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char *name; |
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unsigned int number; |
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elmex |
1.1 |
}; |
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|
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root |
1.6 |
void free (bmappair *); // guard to catch free when delete should be used |
50 |
root |
1.4 |
|
51 |
root |
1.6 |
static struct bmappair *xbm = NULL; |
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elmex |
1.1 |
|
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/* Following can just as easily be pointers, but |
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* it is easier to keep them like this. |
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*/ |
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New_Face *blank_face, *dark_faces[3], *empty_face, *smooth_face; |
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/* nroffiles is the actual number of bitmaps defined. |
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* nrofpixmaps is the number of bitmaps loaded. With |
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* the automatic generation of the bmaps file, this is now equal |
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* to nroffiles. |
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* |
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* The xbm array (which contains name and number information, and |
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* is then sorted) contains nroffiles entries. the xbm_names |
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* array (which is used for converting the numeric face to |
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* a name) contains nrofpixmaps entries. |
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*/ |
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static int nroffiles = 0; |
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int nrofpixmaps = 0; |
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/** |
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* id is the face to smooth, smooth is the 16x2 face used to smooth id. |
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*/ |
75 |
root |
1.6 |
struct smoothing:zero_initialised |
76 |
root |
1.4 |
{ |
77 |
root |
1.6 |
uint16 id; |
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uint16 smooth; |
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elmex |
1.1 |
}; |
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root |
1.6 |
void free (smoothing *); // guard to catch free when delete should be used |
82 |
root |
1.4 |
|
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elmex |
1.1 |
/** |
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* Contains all defined smoothing entries. smooth is an array of nrofsmooth |
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* entries. It is sorted by smooth[].id. |
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*/ |
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root |
1.6 |
static struct smoothing *smooth = NULL; |
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int nrofsmooth = 0; |
89 |
elmex |
1.1 |
|
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/* the only thing this table is used for now is to |
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* translate the colorname in the magicmap field of the |
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* face into a numeric index that is then sent to the |
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* client for magic map commands. The order of this table |
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* must match that of the NDI colors in include/newclient.h. |
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*/ |
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static const char *const colorname[] = { |
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root |
1.6 |
"black", /* 0 */ |
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"white", /* 1 */ |
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"blue", /* 2 */ |
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"red", /* 3 */ |
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"orange", /* 4 */ |
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"light_blue", /* 5 */ |
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"dark_orange", /* 6 */ |
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"green", /* 7 */ |
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"light_green", /* 8 */ |
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"grey", /* 9 */ |
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"brown", /* 10 */ |
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"yellow", /* 11 */ |
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"khaki" /* 12 */ |
110 |
elmex |
1.1 |
}; |
111 |
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112 |
root |
1.6 |
static int |
113 |
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compar (const struct bmappair *a, const struct bmappair *b) |
114 |
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{ |
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return strcmp (a->name, b->name); |
116 |
elmex |
1.1 |
} |
117 |
root |
1.11 |
|
118 |
root |
1.6 |
static int |
119 |
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compar_smooth (const struct smoothing *a, const struct smoothing *b) |
120 |
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{ |
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if (a->id < b->id) |
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return -1; |
123 |
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if (b->id < a->id) |
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return 1; |
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return 0; |
126 |
elmex |
1.1 |
} |
127 |
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/* |
129 |
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* Returns the matching color in the coloralias if found, |
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* 0 otherwise. Note that 0 will actually be black, so there is no |
131 |
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* way the calling function can tell if an error occurred or not |
132 |
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*/ |
133 |
root |
1.6 |
static uint8 |
134 |
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find_color (const char *name) |
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{ |
136 |
elmex |
1.1 |
uint8 i; |
137 |
root |
1.6 |
|
138 |
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for (i = 0; i < sizeof (colorname) / sizeof (*colorname); i++) |
139 |
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if (!strcmp (name, colorname[i])) |
140 |
elmex |
1.1 |
return i; |
141 |
root |
1.6 |
LOG (llevError, "Unknown color: %s\n", name); |
142 |
elmex |
1.1 |
return 0; |
143 |
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} |
144 |
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145 |
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/* This reads the lib/faces file, getting color and visibility information. |
146 |
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* it is called by ReadBmapNames. |
147 |
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*/ |
148 |
root |
1.6 |
static void |
149 |
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ReadFaceData (void) |
150 |
elmex |
1.1 |
{ |
151 |
root |
1.6 |
char buf[MAX_BUF], *cp; |
152 |
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New_Face *on_face = NULL; |
153 |
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FILE *fp; |
154 |
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155 |
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sprintf (buf, "%s/faces", settings.datadir); |
156 |
pippijn |
1.9 |
LOG (llevDebug, "Reading faces from %s...\n", buf); |
157 |
root |
1.6 |
if ((fp = fopen (buf, "r")) == NULL) |
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{ |
159 |
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LOG (llevError, "Cannot open faces file %s: %s\n", buf, strerror (errno)); |
160 |
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exit (-1); |
161 |
elmex |
1.1 |
} |
162 |
root |
1.6 |
while (fgets (buf, MAX_BUF, fp) != NULL) |
163 |
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{ |
164 |
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if (*buf == '#') |
165 |
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continue; |
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if (!strncmp (buf, "end", 3)) |
167 |
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{ |
168 |
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on_face = NULL; |
169 |
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} |
170 |
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else if (!strncmp (buf, "face", 4)) |
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{ |
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int tmp; |
173 |
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174 |
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cp = buf + 5; |
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cp[strlen (cp) - 1] = '\0'; /* remove newline */ |
176 |
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177 |
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if ((tmp = FindFace (cp, -1)) == -1) |
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{ |
179 |
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LOG (llevError, "Could not find face %s\n", cp); |
180 |
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continue; |
181 |
root |
1.4 |
} |
182 |
root |
1.6 |
on_face = &new_faces[tmp]; |
183 |
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on_face->visibility = 0; |
184 |
root |
1.2 |
} |
185 |
root |
1.6 |
else if (on_face == NULL) |
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{ |
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LOG (llevError, "Got line with no face set: %s\n", buf); |
188 |
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} |
189 |
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else if (!strncmp (buf, "color_fg", 8)) |
190 |
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{ |
191 |
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cp = buf + 9; |
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cp[strlen (cp) - 1] = '\0'; |
193 |
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if (on_face->magicmap == 255) |
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on_face->magicmap = find_color (cp); |
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} |
196 |
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else if (!strncmp (buf, "color_bg", 8)) |
197 |
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{ |
198 |
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/* ignore it */ |
199 |
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} |
200 |
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else if (!strncmp (buf, "visibility", 10)) |
201 |
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{ |
202 |
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on_face->visibility = atoi (buf + 11); |
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} |
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else if (!strncmp (buf, "magicmap", 8)) |
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{ |
206 |
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cp = buf + 9; |
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cp[strlen (cp) - 1] = '\0'; |
208 |
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on_face->magicmap = find_color (cp); |
209 |
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} |
210 |
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else if (!strncmp (buf, "is_floor", 8)) |
211 |
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{ |
212 |
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int value = atoi (buf + 9); |
213 |
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214 |
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if (value) |
215 |
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on_face->magicmap |= FACE_FLOOR; |
216 |
root |
1.2 |
} |
217 |
root |
1.6 |
else |
218 |
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LOG (llevDebug, "Got unknown line in faces file: %s\n", buf); |
219 |
elmex |
1.1 |
} |
220 |
root |
1.11 |
|
221 |
root |
1.6 |
LOG (llevDebug, "done\n"); |
222 |
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fclose (fp); |
223 |
elmex |
1.1 |
} |
224 |
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225 |
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/* This reads the bmaps file to get all the bitmap names and |
226 |
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* stuff. It only needs to be done once, because it is player |
227 |
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* independent (ie, what display the person is on will not make a |
228 |
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* difference.) |
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*/ |
230 |
root |
1.6 |
void |
231 |
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ReadBmapNames (void) |
232 |
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{ |
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char buf[MAX_BUF], *p, *q; |
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FILE *fp; |
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int value, nrofbmaps = 0, i; |
236 |
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size_t l; |
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bmaps_checksum = 0; |
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sprintf (buf, "%s/bmaps", settings.datadir); |
240 |
pippijn |
1.9 |
LOG (llevDebug, "Reading bmaps from %s...\n", buf); |
241 |
root |
1.6 |
if ((fp = fopen (buf, "r")) == NULL) |
242 |
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{ |
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LOG (llevError, "Cannot open bmaps file %s: %s\n", buf, strerror (errno)); |
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exit (-1); |
245 |
elmex |
1.1 |
} |
246 |
root |
1.6 |
|
247 |
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/* First count how many bitmaps we have, so we can allocate correctly */ |
248 |
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while (fgets (buf, MAX_BUF, fp) != NULL) |
249 |
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if (buf[0] != '#' && buf[0] != '\n') |
250 |
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nrofbmaps++; |
251 |
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rewind (fp); |
252 |
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253 |
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xbm = new bmappair[nrofbmaps]; |
254 |
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memset (xbm, 0, sizeof (struct bmappair) * nrofbmaps); |
255 |
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256 |
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while (nroffiles < nrofbmaps && fgets (buf, MAX_BUF, fp) != NULL) |
257 |
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{ |
258 |
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if (*buf == '#') |
259 |
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continue; |
260 |
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261 |
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p = (*buf == '\\') ? (buf + 1) : buf; |
262 |
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if (!(p = strtok (p, " \t")) || !(q = strtok (NULL, " \t\n"))) |
263 |
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{ |
264 |
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LOG (llevDebug, "Warning, syntax error: %s\n", buf); |
265 |
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continue; |
266 |
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} |
267 |
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value = atoi (p); |
268 |
root |
1.8 |
xbm[nroffiles].name = strdup (q); |
269 |
root |
1.6 |
|
270 |
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/* We need to calculate the checksum of the bmaps file |
271 |
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* name->number mapping to send to the client. This does not |
272 |
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* need to match what sum or other utility may come up with - |
273 |
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* as long as we get the same results on the same real file |
274 |
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* data, it does the job as it lets the client know if |
275 |
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* the file has the same data or not. |
276 |
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*/ |
277 |
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ROTATE_RIGHT (bmaps_checksum); |
278 |
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bmaps_checksum += value & 0xff; |
279 |
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bmaps_checksum &= 0xffffffff; |
280 |
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281 |
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ROTATE_RIGHT (bmaps_checksum); |
282 |
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bmaps_checksum += (value >> 8) & 0xff; |
283 |
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bmaps_checksum &= 0xffffffff; |
284 |
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for (l = 0; l < strlen (q); l++) |
285 |
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{ |
286 |
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ROTATE_RIGHT (bmaps_checksum); |
287 |
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bmaps_checksum += q[l]; |
288 |
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bmaps_checksum &= 0xffffffff; |
289 |
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} |
290 |
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291 |
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xbm[nroffiles].number = value; |
292 |
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nroffiles++; |
293 |
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if (value >= nrofpixmaps) |
294 |
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nrofpixmaps = value + 1; |
295 |
elmex |
1.1 |
} |
296 |
root |
1.6 |
fclose (fp); |
297 |
elmex |
1.1 |
|
298 |
root |
1.6 |
LOG (llevDebug, "done (got %d/%d/%d)\n", nrofpixmaps, nrofbmaps, nroffiles); |
299 |
elmex |
1.1 |
|
300 |
root |
1.6 |
new_faces = new New_Face[nrofpixmaps]; |
301 |
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302 |
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for (i = 0; i < nrofpixmaps; i++) |
303 |
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{ |
304 |
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new_faces[i].name = ""; |
305 |
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new_faces[i].number = i; |
306 |
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new_faces[i].visibility = 0; |
307 |
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new_faces[i].magicmap = 255; |
308 |
elmex |
1.1 |
} |
309 |
root |
1.6 |
for (i = 0; i < nroffiles; i++) |
310 |
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{ |
311 |
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new_faces[xbm[i].number].name = xbm[i].name; |
312 |
elmex |
1.1 |
} |
313 |
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|
314 |
root |
1.6 |
// non-pod datatype, likely not allowed |
315 |
|
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qsort (xbm, nroffiles, sizeof (struct bmappair), (int (*)(const void *, const void *)) compar); |
316 |
elmex |
1.1 |
|
317 |
root |
1.6 |
ReadFaceData (); |
318 |
elmex |
1.1 |
|
319 |
root |
1.6 |
for (i = 0; i < nrofpixmaps; i++) |
320 |
|
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{ |
321 |
|
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if (new_faces[i].magicmap == 255) |
322 |
|
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{ |
323 |
|
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#if 0 /* Useful for initial debugging, not needed now */ |
324 |
|
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LOG (llevDebug, "Face %s still had default magicmap, resetting to black\n", new_faces[i].name); |
325 |
elmex |
1.1 |
#endif |
326 |
root |
1.6 |
new_faces[i].magicmap = 0; |
327 |
root |
1.2 |
} |
328 |
elmex |
1.1 |
} |
329 |
root |
1.6 |
/* Actually forcefully setting the colors here probably should not |
330 |
|
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* be done - it could easily create confusion. |
331 |
|
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*/ |
332 |
|
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blank_face = &new_faces[FindFace (BLANK_FACE_NAME, 0)]; |
333 |
|
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blank_face->magicmap = find_color ("khaki") | FACE_FLOOR; |
334 |
|
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|
335 |
|
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empty_face = &new_faces[FindFace (EMPTY_FACE_NAME, 0)]; |
336 |
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|
337 |
|
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dark_faces[0] = &new_faces[FindFace (DARK_FACE1_NAME, 0)]; |
338 |
|
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dark_faces[1] = &new_faces[FindFace (DARK_FACE2_NAME, 0)]; |
339 |
|
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dark_faces[2] = &new_faces[FindFace (DARK_FACE3_NAME, 0)]; |
340 |
elmex |
1.1 |
|
341 |
root |
1.6 |
smooth_face = &new_faces[FindFace (SMOOTH_FACE_NAME, 0)]; |
342 |
elmex |
1.1 |
} |
343 |
|
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|
344 |
|
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/* This returns an the face number of face 'name'. Number is constant |
345 |
|
|
* during an invocation, but not necessarily between versions (this |
346 |
|
|
* is because the faces are arranged in alphabetical order, so |
347 |
|
|
* if a face is removed or added, all faces after that will now |
348 |
|
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* have a different number. |
349 |
|
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* |
350 |
|
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* the parameter error determines behaviour. If a face is |
351 |
|
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* not found, then error is returned. This can be useful if |
352 |
|
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* you want some default face used, or can be set to negative |
353 |
|
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* so that it will be known that the face could not be found |
354 |
|
|
* (needed in client, so that it will know to request that image |
355 |
|
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* from the server) |
356 |
|
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*/ |
357 |
root |
1.6 |
int |
358 |
|
|
FindFace (const char *name, int error) |
359 |
|
|
{ |
360 |
|
|
struct bmappair *bp, tmp; |
361 |
|
|
char *p; |
362 |
elmex |
1.1 |
|
363 |
root |
1.6 |
if (!name) |
364 |
|
|
return error; |
365 |
root |
1.5 |
|
366 |
root |
1.6 |
if ((p = strchr (name, '\n'))) |
367 |
|
|
*p = '\0'; |
368 |
elmex |
1.1 |
|
369 |
root |
1.6 |
tmp.name = (char *) name; |
370 |
|
|
bp = (struct bmappair *) bsearch (&tmp, xbm, nroffiles, sizeof (struct bmappair), (int (*)(const void *, const void *)) compar); |
371 |
elmex |
1.1 |
|
372 |
root |
1.6 |
return bp ? bp->number : error; |
373 |
elmex |
1.1 |
} |
374 |
|
|
|
375 |
|
|
/* Reads the smooth file to know how to smooth datas. |
376 |
|
|
* the smooth file if made of 2 elements lines. |
377 |
|
|
* lines starting with # are comment |
378 |
|
|
* the first element of line is face to smooth |
379 |
|
|
* the next element is the 16x2 faces picture |
380 |
|
|
* used for smoothing |
381 |
|
|
*/ |
382 |
root |
1.6 |
int |
383 |
|
|
ReadSmooth (void) |
384 |
|
|
{ |
385 |
|
|
char buf[MAX_BUF], *p, *q; |
386 |
|
|
FILE *fp; |
387 |
|
|
int smoothcount = 0; |
388 |
|
|
|
389 |
|
|
bmaps_checksum = 0; |
390 |
|
|
sprintf (buf, "%s/smooth", settings.datadir); |
391 |
pippijn |
1.9 |
LOG (llevDebug, "Reading smooth from %s...\n", buf); |
392 |
root |
1.6 |
if ((fp = fopen (buf, "r")) == NULL) |
393 |
|
|
{ |
394 |
|
|
LOG (llevError, "Cannot open smooth file %s: %s\n", strerror (errno)); |
395 |
|
|
exit (-1); |
396 |
elmex |
1.1 |
} |
397 |
|
|
|
398 |
root |
1.6 |
/* First count how many smooth we have, so we can allocate correctly */ |
399 |
|
|
while (fgets (buf, MAX_BUF, fp) != NULL) |
400 |
|
|
if (buf[0] != '#' && buf[0] != '\n') |
401 |
|
|
smoothcount++; |
402 |
|
|
rewind (fp); |
403 |
|
|
|
404 |
|
|
smooth = new smoothing[smoothcount]; |
405 |
|
|
|
406 |
|
|
while (nrofsmooth < smoothcount && fgets (buf, MAX_BUF, fp) != NULL) |
407 |
|
|
{ |
408 |
|
|
if (*buf == '#') |
409 |
|
|
continue; |
410 |
|
|
p = strchr (buf, ' '); |
411 |
|
|
if (!p) |
412 |
|
|
continue; |
413 |
|
|
*p = '\0'; |
414 |
|
|
q = buf; |
415 |
|
|
smooth[nrofsmooth].id = FindFace (q, 0); |
416 |
|
|
q = p + 1; |
417 |
|
|
smooth[nrofsmooth].smooth = FindFace (q, 0); |
418 |
|
|
nrofsmooth++; |
419 |
elmex |
1.1 |
} |
420 |
root |
1.6 |
fclose (fp); |
421 |
elmex |
1.1 |
|
422 |
root |
1.6 |
LOG (llevDebug, "done (got %d smooth entries)\n", nrofsmooth); |
423 |
|
|
qsort (smooth, nrofsmooth, sizeof (struct smoothing), (int (*)(const void *, const void *)) compar_smooth); |
424 |
|
|
return nrofsmooth; |
425 |
elmex |
1.1 |
} |
426 |
|
|
|
427 |
|
|
/** |
428 |
|
|
* Find the smooth face for a given face. |
429 |
|
|
* |
430 |
|
|
* @param face the face to find the smoothing face for |
431 |
|
|
* |
432 |
|
|
* @param smoothed return value: set to smooth face |
433 |
|
|
* |
434 |
|
|
* @return 1=smooth face found, 0=no smooth face found |
435 |
|
|
*/ |
436 |
root |
1.6 |
int |
437 |
|
|
FindSmooth (uint16 face, uint16 * smoothed) |
438 |
|
|
{ |
439 |
|
|
struct smoothing *bp, tmp; |
440 |
elmex |
1.1 |
|
441 |
root |
1.6 |
tmp.id = face; |
442 |
|
|
bp = (struct smoothing *) bsearch |
443 |
|
|
(&tmp, smooth, nrofsmooth, sizeof (struct smoothing), (int (*)(const void *, const void *)) compar_smooth); |
444 |
|
|
(*smoothed) = 0; |
445 |
|
|
if (bp) |
446 |
|
|
(*smoothed) = bp->smooth; |
447 |
|
|
return bp ? 1 : 0; |
448 |
elmex |
1.1 |
} |
449 |
|
|
|
450 |
|
|
/** |
451 |
|
|
* Deallocates memory allocated by ReadBmapNames() and ReadSmooth(). |
452 |
|
|
*/ |
453 |
root |
1.6 |
void |
454 |
|
|
free_all_images (void) |
455 |
elmex |
1.1 |
{ |
456 |
root |
1.6 |
int i; |
457 |
elmex |
1.1 |
|
458 |
root |
1.6 |
for (i = 0; i < nroffiles; i++) |
459 |
|
|
free (xbm[i].name); |
460 |
root |
1.4 |
|
461 |
root |
1.6 |
delete[]xbm; |
462 |
|
|
delete[]new_faces; |
463 |
|
|
delete[]smooth; |
464 |
elmex |
1.1 |
} |