1 | /* |
1 | /* |
2 | * static char *rcsid_init_c = |
2 | * CrossFire, A Multiplayer game |
3 | * "$Id: image.C,v 1.2 2006/08/29 08:01:38 root Exp $"; |
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4 | */ |
3 | * |
5 | |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
6 | /* |
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7 | CrossFire, A Multiplayer game for X-windows |
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8 | |
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9 | Copyright (C) 2001 Mark Wedel |
5 | * Copyright (C) 2001 Mark Wedel |
10 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
11 | |
7 | * |
12 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
13 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
14 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
15 | (at your option) any later version. |
11 | * (at your option) any later version. |
16 | |
12 | * |
17 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
21 | |
17 | * |
22 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
23 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
25 | |
21 | * |
26 | The author can be reached via e-mail to crossfire-devel@real-time.com |
22 | * The author can be reached via e-mail to <crossfire@schmorp.de> |
27 | */ |
23 | */ |
28 | |
24 | |
29 | /** \file |
25 | /** \file |
30 | * Image related communication |
26 | * Image related communication |
31 | * |
27 | * |
32 | * \date 2003-12-02 |
28 | * \date 2003-12-02 |
… | |
… | |
38 | */ |
34 | */ |
39 | |
35 | |
40 | #include <global.h> |
36 | #include <global.h> |
41 | #include <sproto.h> |
37 | #include <sproto.h> |
42 | |
38 | |
43 | #include <newclient.h> |
39 | #include "crc.h" |
44 | #include <newserver.h> |
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45 | #include <loader.h> |
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46 | |
40 | |
47 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
41 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
48 | |
42 | |
49 | /** Information about one image */ |
43 | /** Information about one image */ |
50 | typedef struct FaceInfo { |
44 | typedef struct FaceInfo |
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|
45 | { |
51 | uint8 *data; /**< image data */ |
46 | uint8 *data; /**< image data */ |
52 | uint16 datalen; /**< length of the xpm data */ |
47 | uint16 datalen; /**< length of the xpm data */ |
53 | uint32 checksum; /**< Checksum of face data */ |
48 | uint32 checksum; /**< Checksum of face data */ |
54 | } FaceInfo; |
49 | } FaceInfo; |
55 | |
50 | |
56 | /** Information about one face set */ |
51 | /** Information about one face set */ |
57 | typedef struct { |
52 | typedef struct |
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|
53 | { |
58 | char *prefix; /**< */ |
54 | char *prefix; /**< */ |
59 | char *fullname; |
55 | char *fullname; |
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56 | |
60 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
57 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
61 | char *size; |
58 | char *size; |
62 | char *extension; |
59 | char *extension; |
63 | char *comment; |
60 | char *comment; |
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61 | |
64 | FaceInfo *faces; /**< images in this faceset */ |
62 | FaceInfo *faces; /**< images in this faceset */ |
65 | } FaceSets; |
63 | } FaceSets; |
66 | |
64 | |
67 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
65 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
68 | |
66 | |
69 | /** |
67 | /** |
70 | * Checks specified faceset is valid |
68 | * Checks specified faceset is valid |
71 | * \param fsn faceset number |
69 | * \param fsn faceset number |
72 | */ |
70 | */ |
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71 | int |
73 | int is_valid_faceset(int fsn) |
72 | is_valid_faceset (int fsn) |
74 | { |
73 | { |
75 | if (fsn >=0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) return TRUE; |
74 | if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) |
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75 | return TRUE; |
76 | return FALSE; |
76 | return FALSE; |
77 | } |
77 | } |
78 | |
78 | |
79 | /** |
79 | /** |
80 | * Frees all faceset information |
80 | * Frees all faceset information |
81 | */ |
81 | */ |
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|
82 | void |
82 | void free_socket_images(void) |
83 | free_socket_images (void) |
83 | { |
84 | { |
84 | int num,q; |
85 | int num, q; |
85 | |
86 | |
86 | for(num=0;num<MAX_FACE_SETS; num++) { |
87 | for (num = 0; num < MAX_FACE_SETS; num++) |
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88 | { |
87 | if (facesets[num].prefix) { |
89 | if (facesets[num].prefix) |
88 | for (q=0; q<nrofpixmaps; q++) |
90 | { |
89 | if (facesets[num].faces[q].data) free(facesets[num].faces[q].data); |
91 | for (q = 0; q < faces.size (); q++) |
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92 | if (facesets[num].faces[q].data) |
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93 | free (facesets[num].faces[q].data); |
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94 | |
90 | free(facesets[num].prefix); |
95 | free (facesets[num].prefix); |
91 | free(facesets[num].fullname); |
96 | free (facesets[num].fullname); |
92 | free(facesets[num].size); |
97 | free (facesets[num].size); |
93 | free(facesets[num].extension); |
98 | free (facesets[num].extension); |
94 | free(facesets[num].comment); |
99 | free (facesets[num].comment); |
95 | free(facesets[num].faces); |
100 | free (facesets[num].faces); |
96 | } |
101 | } |
97 | } |
102 | } |
98 | } |
103 | } |
99 | |
104 | |
100 | /** |
105 | /** |
… | |
… | |
107 | * |
112 | * |
108 | * \param faceset faceset to check |
113 | * \param faceset faceset to check |
109 | * \param imageno image number |
114 | * \param imageno image number |
110 | * |
115 | * |
111 | */ |
116 | */ |
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117 | static int |
112 | static int get_face_fallback(int faceset, int imageno) |
118 | get_face_fallback (int faceset, int imageno) |
113 | { |
119 | { |
114 | /* faceset 0 is supposed to have every image, so just return. Doing |
120 | /* faceset 0 is supposed to have every image, so just return. Doing |
115 | * so also prevents infinite loops in the case if it not having |
121 | * so also prevents infinite loops in the case if it not having |
116 | * the face, but in that case, we are likely to crash when we try |
122 | * the face, but in that case, we are likely to crash when we try |
117 | * to access the data, but that is probably preferable to an infinite |
123 | * to access the data, but that is probably preferable to an infinite |
118 | * loop. |
124 | * loop. |
119 | */ |
125 | */ |
120 | if (faceset==0) return 0; |
126 | if (faceset == 0) |
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127 | return 0; |
121 | |
128 | |
122 | if (!facesets[faceset].prefix) { |
129 | if (!facesets[faceset].prefix) |
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130 | { |
123 | LOG(llevError,"get_face_fallback called with unused set (%d)?\n", faceset); |
131 | LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset); |
124 | return 0; /* use default set */ |
132 | return 0; /* use default set */ |
125 | } |
133 | } |
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134 | |
126 | if (facesets[faceset].faces[imageno].data) return faceset; |
135 | if (facesets[faceset].faces[imageno].data) |
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136 | return faceset; |
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137 | |
127 | return get_face_fallback(facesets[faceset].fallback, imageno); |
138 | return get_face_fallback (facesets[faceset].fallback, imageno); |
128 | } |
139 | } |
129 | |
140 | |
130 | /** |
141 | /** |
131 | * Checks fallback are correctly defined. |
142 | * Checks fallback are correctly defined. |
132 | * This is a simple recursive function that makes sure the fallbacks |
143 | * This is a simple recursive function that makes sure the fallbacks |
133 | * are all proper (eg, the fall back to defined sets, and also |
144 | * are all proper (eg, the fall back to defined sets, and also |
134 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
145 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
135 | * if togo gets to zero, it means we have a loop. |
146 | * if togo gets to zero, it means we have a loop. |
136 | * This is only run when we first load the facesets. |
147 | * This is only run when we first load the facesets. |
137 | */ |
148 | */ |
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149 | static void |
138 | static void check_faceset_fallback(int faceset, int togo) |
150 | check_faceset_fallback (int faceset, int togo) |
139 | { |
151 | { |
140 | int fallback = facesets[faceset].fallback; |
152 | int fallback = facesets[faceset].fallback; |
141 | |
153 | |
142 | /* proper case - falls back to base set */ |
154 | /* proper case - falls back to base set */ |
143 | if (fallback == 0) return; |
155 | if (fallback == 0) |
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156 | return; |
144 | |
157 | |
145 | if (!facesets[fallback].prefix) { |
158 | if (!facesets[fallback].prefix) |
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159 | { |
146 | LOG(llevError,"Face set %d falls to non set faceset %d\n", faceset, fallback); |
160 | LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback); |
147 | abort(); |
161 | abort (); |
148 | } |
162 | } |
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163 | |
149 | togo--; |
164 | togo--; |
150 | if (togo == 0) { |
165 | if (togo == 0) |
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166 | { |
151 | LOG(llevError,"Infinite loop found in facesets. aborting.\n"); |
167 | LOG (llevError, "Infinite loop found in facesets. aborting.\n"); |
152 | abort(); |
168 | abort (); |
153 | } |
169 | } |
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170 | |
154 | check_faceset_fallback(fallback, togo); |
171 | check_faceset_fallback (fallback, togo); |
155 | } |
172 | } |
156 | |
173 | |
157 | #define MAX_IMAGE_SIZE 10000 |
174 | #define MAX_IMAGE_SIZE 10000 |
158 | |
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159 | /** |
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160 | * Loads all the image types into memory. |
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161 | * |
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162 | * This way, we can easily send them to the client. We should really do something |
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163 | * better than abort on any errors - on the other hand, these are all fatal |
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164 | * to the server (can't work around them), but the abort just seems a bit |
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165 | * messy (exit would probably be better.) |
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166 | * |
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167 | * Couple of notes: We assume that the faces are in a continous block. |
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168 | * This works fine for now, but this could perhaps change in the future |
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169 | * |
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170 | * Function largely rewritten May 2000 to be more general purpose. |
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171 | * The server itself does not care what the image data is - to the server, |
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172 | * it is just data it needs to allocate. As such, the code is written |
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173 | * to do such. |
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174 | */ |
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175 | |
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176 | void read_client_images(void) |
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177 | { |
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178 | char filename[400]; |
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179 | char buf[HUGE_BUF]; |
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180 | char *cp, *cps[7]; |
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181 | FILE *infile; |
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182 | int num,len,compressed, fileno,i, badline; |
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183 | |
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184 | memset(facesets, 0, sizeof(facesets)); |
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185 | sprintf(filename,"%s/image_info",settings.datadir); |
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186 | if ((infile=open_and_uncompress(filename, 0, &compressed))==NULL) { |
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187 | LOG(llevError,"Unable to open %s\n", filename); |
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188 | abort(); |
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189 | } |
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190 | while (fgets(buf, HUGE_BUF-1, infile)!=NULL) { |
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191 | badline=0; |
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192 | |
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193 | if (buf[0] == '#') continue; |
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194 | if (!(cps[0] = strtok(buf, ":"))) badline=1; |
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195 | for (i=1; i<7; i++) { |
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196 | if (!(cps[i] = strtok(NULL, ":"))) badline=1; |
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197 | } |
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198 | if (badline) { |
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199 | LOG(llevError,"Bad line in image_info file, ignoring line:\n %s", buf); |
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200 | } else { |
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201 | len = atoi(cps[0]); |
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202 | if (len >=MAX_FACE_SETS) { |
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203 | LOG(llevError,"To high a setnum in image_info file: %d > %d\n", |
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204 | len, MAX_FACE_SETS); |
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205 | abort(); |
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206 | } |
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207 | facesets[len].prefix = strdup_local(cps[1]); |
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208 | facesets[len].fullname = strdup_local(cps[2]); |
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209 | facesets[len].fallback = atoi(cps[3]); |
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210 | facesets[len].size = strdup_local(cps[4]); |
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211 | facesets[len].extension = strdup_local(cps[5]); |
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212 | facesets[len].comment = strdup_local(cps[6]); |
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213 | } |
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214 | } |
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215 | close_and_delete(infile,compressed); |
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216 | for (i=0; i<MAX_FACE_SETS; i++) { |
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217 | if (facesets[i].prefix) check_faceset_fallback(i, MAX_FACE_SETS); |
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218 | } |
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219 | /* Loaded the faceset information - now need to load up the |
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220 | * actual faces. |
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221 | */ |
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222 | |
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223 | for (fileno=0; fileno<MAX_FACE_SETS; fileno++) { |
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224 | /* if prefix is not set, this is not used */ |
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225 | if (!facesets[fileno].prefix) continue; |
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226 | facesets[fileno].faces = (FaceInfo *) calloc(nrofpixmaps, sizeof(FaceInfo)); |
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227 | |
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228 | sprintf(filename,"%s/crossfire.%d",settings.datadir, fileno); |
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229 | LOG(llevDebug,"Loading image file %s\n", filename); |
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230 | |
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231 | if ((infile = open_and_uncompress(filename,0,&compressed))==NULL) { |
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232 | LOG(llevError,"Unable to open %s\n", filename); |
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233 | abort(); |
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234 | } |
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235 | while(fgets(buf, HUGE_BUF-1, infile)!=NULL) { |
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236 | if(strncmp(buf,"IMAGE ",6)!=0) { |
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237 | LOG(llevError,"read_client_images:Bad image line - not IMAGE, instead\n%s",buf); |
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238 | abort(); |
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239 | } |
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240 | num = atoi(buf+6); |
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241 | if (num<0 || num>=nrofpixmaps) { |
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242 | LOG(llevError,"read_client_images: Image num %d not in 0..%d\n%s", |
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243 | num,nrofpixmaps,buf); |
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244 | abort(); |
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245 | } |
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246 | /* Skip accross the number data */ |
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247 | for (cp=buf+6; *cp!=' '; cp++) ; |
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248 | len = atoi(cp); |
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249 | if (len==0 || len>MAX_IMAGE_SIZE) { |
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250 | LOG(llevError,"read_client_images: length not valid: %d > %d \n%s", |
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251 | len,MAX_IMAGE_SIZE,buf); |
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252 | abort(); |
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253 | } |
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254 | /* We don't actualy care about the name if the image that |
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255 | * is embedded in the image file, so just ignore it. |
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256 | */ |
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257 | facesets[fileno].faces[num].datalen = len; |
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258 | facesets[fileno].faces[num].data = (uint8*) malloc(len); |
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259 | if ((i=fread(facesets[fileno].faces[num].data, len, 1, infile))!=1) { |
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260 | LOG(llevError,"read_client_images: Did not read desired amount of data, wanted %d, got %d\n%s", |
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261 | len, i, buf); |
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262 | abort(); |
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263 | } |
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264 | facesets[fileno].faces[num].checksum=0; |
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265 | for (i=0; i<len; i++) { |
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266 | ROTATE_RIGHT(facesets[fileno].faces[num].checksum); |
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267 | facesets[fileno].faces[num].checksum += facesets[fileno].faces[num].data[i]; |
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268 | facesets[fileno].faces[num].checksum &= 0xffffffff; |
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269 | } |
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270 | } |
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271 | close_and_delete(infile,compressed); |
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272 | } /* For fileno < MAX_FACE_SETS */ |
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273 | } |
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274 | |
175 | |
275 | /** |
176 | /** |
276 | * Client tells us what type of faces it wants. Also sets |
177 | * Client tells us what type of faces it wants. Also sets |
277 | * the caching attribute. |
178 | * the caching attribute. |
278 | * |
179 | * |
279 | */ |
180 | */ |
280 | |
181 | void |
281 | void SetFaceMode(char *buf, int len, NewSocket *ns) |
182 | SetFaceMode (char *buf, int len, client *ns) |
282 | { |
183 | { |
283 | char tmp[256]; |
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284 | |
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285 | int mask =(atoi(buf) & CF_FACE_CACHE), mode=(atoi(buf) & ~CF_FACE_CACHE); |
184 | int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE); |
286 | |
185 | |
287 | if (mode==CF_FACE_NONE) { |
186 | if (mode == CF_FACE_NONE) |
288 | ns->facecache=1; |
187 | ns->facecache = 1; |
289 | } else if (mode!=CF_FACE_PNG) { |
188 | else if (mode != CF_FACE_PNG) |
290 | sprintf(tmp,"drawinfo %d %s", NDI_RED,"Warning - send unsupported face mode. Will use Png"); |
189 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png"); |
291 | Write_String_To_Socket(ns, tmp, strlen(tmp)); |
190 | |
292 | #ifdef ESRV_DEBUG |
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293 | LOG(llevDebug,"SetFaceMode: Invalid mode from client: %d\n", mode); |
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294 | #endif |
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295 | } |
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296 | if (mask) { |
191 | if (mask) |
297 | ns->facecache=1; |
192 | ns->facecache = 1; |
298 | } |
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299 | } |
193 | } |
300 | |
194 | |
301 | /** |
195 | /** |
302 | * Client has requested pixmap that it somehow missed getting. |
196 | * Client has requested pixmap that it somehow missed getting. |
303 | * This will be called often if the client is |
197 | * This will be called often if the client is |
304 | * caching images. |
198 | * caching images. |
305 | */ |
199 | */ |
306 | |
200 | void |
307 | void SendFaceCmd(char *buff, int len, NewSocket *ns) |
201 | SendFaceCmd (char *buf, int len, client *ns) |
308 | { |
202 | { |
309 | long tmpnum = atoi(buff); |
203 | ns->send_image (atoi (buf)); |
310 | short facenum=tmpnum & 0xffff; |
204 | } |
311 | |
205 | |
312 | if(facenum!=0) |
206 | // how lame |
313 | esrv_send_face(ns, facenum,1); |
207 | static void print_facename (packet &sl, const facedata &d) |
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208 | { |
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209 | for (int i = 0; i < CHKSUM_SIZE; ++i) |
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210 | sl.printf ("%02x", d.chksum [i]); |
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211 | } |
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212 | |
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213 | // gcfclient uses the server-provided checksum for comparison, but always |
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214 | // writes a broken checksum to its cache file, so we have to provide |
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215 | // gcfclient with the same broken (and useless) checksum just to have it |
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216 | // cache the image despite its bugs. |
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217 | static uint32 gcfclient_checksum (const facedata *d) |
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218 | { |
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219 | uint32 csum = 0; |
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220 | |
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221 | for (std::string::const_iterator i = d->data.begin (); |
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222 | i != d->data.end (); |
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223 | ++i) |
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224 | { |
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225 | csum = rotate_right (csum); |
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226 | csum += *(uint8 *)&*i; |
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227 | } |
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228 | |
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229 | return csum; |
314 | } |
230 | } |
315 | |
231 | |
316 | /** |
232 | /** |
317 | * Sends a face to a client if they are in pixmap mode |
233 | * Sends a face to a client if they are in pixmap mode |
318 | * nothing gets sent in bitmap mode. |
234 | * nothing gets sent in bitmap mode. |
319 | * If nocache is true (nonzero), ignore the cache setting from the client - |
235 | * If nocache is true (nonzero), ignore the cache setting from the client - |
320 | * this is needed for the askface, in which we really do want to send the |
236 | * this is needed for the askface, in which we really do want to send the |
321 | * face (and askface is the only place that should be setting it). Otherwise, |
237 | * face (and askface is the only place that should be setting it). Otherwise, |
322 | * we look at the facecache, and if set, send the image name. |
238 | * we look at the facecache, and if set, send the image name. |
323 | */ |
239 | */ |
324 | |
240 | void |
325 | void esrv_send_face(NewSocket *ns,short face_num, int nocache) |
241 | client::send_face (faceidx facenum) |
326 | { |
242 | { |
327 | SockList sl; |
243 | if (!facecache) |
328 | char fallback; |
244 | { |
|
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245 | send_drawinfo ( |
|
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246 | "*** Please enable face caching or use a client that supports it.\n", |
|
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247 | NDI_RED |
|
|
248 | ); |
|
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249 | return send_image (facenum); |
|
|
250 | } |
329 | |
251 | |
330 | if (face_num <= 0 || face_num >= nrofpixmaps) { |
252 | // never send face 0. ever. it does not exist. |
|
|
253 | if (!facenum) |
|
|
254 | return; |
|
|
255 | |
|
|
256 | const facedata *d = face_data (facenum, faceset); |
|
|
257 | |
|
|
258 | if (!d) |
|
|
259 | { |
331 | LOG(llevError,"esrv_send_face (%d) out of bounds??\n",face_num); |
260 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
332 | return; |
261 | return; |
|
|
262 | } |
|
|
263 | |
|
|
264 | if (faces_sent[facenum]) |
|
|
265 | return; |
|
|
266 | |
|
|
267 | faces_sent[facenum] = true; |
|
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268 | |
|
|
269 | packet sl; |
|
|
270 | |
|
|
271 | if (force_face0) |
|
|
272 | sl << "face " << uint16 (facenum); |
|
|
273 | else if (image2) |
|
|
274 | sl << "face2 " << uint16 (facenum) << uint8 (0) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0); |
|
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275 | else |
|
|
276 | sl << "face1 " << uint16 (facenum) << uint32 (force_bad_checksum ? gcfclient_checksum (d) : 0); |
|
|
277 | |
|
|
278 | // how lame |
|
|
279 | print_facename (sl, *d); |
|
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280 | send_packet (sl); |
|
|
281 | |
|
|
282 | faceinfo *f = face_info (facenum); |
|
|
283 | if (f->smooth && EMI_smooth) |
333 | } |
284 | { |
|
|
285 | send_face (f->smooth); |
334 | |
286 | |
335 | sl.buf = (unsigned char*) malloc(MAXSOCKBUF); |
287 | packet sl ("smooth"); |
336 | fallback = get_face_fallback(ns->faceset, face_num); |
|
|
337 | |
288 | |
338 | if (facesets[fallback].faces[face_num].data == NULL) { |
289 | sl << uint16 (facenum) |
339 | LOG(llevError,"esrv_send_face: faces[%d].data == NULL\n",face_num); |
290 | << uint16 (f->smooth); |
|
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291 | |
|
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292 | send_packet (sl); |
|
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293 | } |
|
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294 | } |
|
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295 | |
|
|
296 | void |
|
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297 | client::send_image (faceidx facenum) |
|
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298 | { |
|
|
299 | // never send face 0. ever. it does not exist. |
|
|
300 | if (!facenum) |
|
|
301 | return; |
|
|
302 | |
|
|
303 | const facedata *d = face_data (facenum, faceset); |
|
|
304 | |
|
|
305 | if (!d) |
|
|
306 | { |
|
|
307 | LOG (llevError, "client::send_image (%d) out of bounds??\n", facenum); |
340 | return; |
308 | return; |
|
|
309 | } |
|
|
310 | |
|
|
311 | packet sl; |
|
|
312 | |
|
|
313 | sl << (image2 ? "image2 " : "image ") |
|
|
314 | << uint32 (facenum); |
|
|
315 | |
|
|
316 | if (image2) |
|
|
317 | sl << uint8 (0); |
|
|
318 | |
|
|
319 | sl << uint32 (d->data.size ()) |
|
|
320 | << data (d->data.data (), d->data.size ()); |
|
|
321 | |
|
|
322 | send_packet (sl); |
|
|
323 | } |
|
|
324 | |
|
|
325 | // send all faces of this object to the client |
|
|
326 | // this uses more bandwidth initially, but makes |
|
|
327 | // animations look much smoother, and every client |
|
|
328 | // is supposed to do client-side caching anyways. |
|
|
329 | void |
|
|
330 | client::send_faces (object *ob) |
|
|
331 | { |
|
|
332 | send_face (ob->face); |
|
|
333 | |
|
|
334 | if (ob->animation_id) |
341 | } |
335 | { |
|
|
336 | animation &anim = animations [ob->animation_id]; |
342 | |
337 | |
343 | if (ns->facecache && !nocache) { |
338 | for (int i = 0; i < anim.num_animations; i++) |
344 | if (ns->image2) |
339 | send_face (anim.faces [i]); |
345 | strcpy((char*)sl.buf, "face2 "); |
340 | } |
346 | else if (ns->sc_version >= 1026) |
341 | } |
347 | strcpy((char*)sl.buf, "face1 "); |
|
|
348 | else |
|
|
349 | strcpy((char*)sl.buf, "face "); |
|
|
350 | |
342 | |
351 | sl.len=strlen((const char*)sl.buf); |
343 | /** |
352 | SockList_AddShort(&sl, face_num); |
344 | * Need to send an animation sequence to the client. |
353 | if (ns->image2) |
345 | * We will send appropriate face commands to the client if we haven't |
354 | SockList_AddChar(&sl, fallback); |
346 | * sent them the face yet (this can become quite costly in terms of |
355 | if (ns->sc_version >= 1026) |
347 | * how much we are sending - on the other hand, this should only happen |
356 | SockList_AddInt(&sl, facesets[fallback].faces[face_num].checksum); |
348 | * when the player logs in and picks stuff up. |
357 | strcpy((char*)sl.buf + sl.len, new_faces[face_num].name); |
349 | */ |
358 | sl.len += strlen(new_faces[face_num].name); |
350 | void |
359 | Send_With_Handling(ns, &sl); |
351 | client::send_animation (short anim_num) |
|
|
352 | { |
|
|
353 | /* Do some checking on the anim_num we got. Note that the animations |
|
|
354 | * are added in contigous order, so if the number is in the valid |
|
|
355 | * range, it must be a valid animation. |
|
|
356 | */ |
|
|
357 | if (anim_num < 0 || anim_num > num_animations) |
360 | } |
358 | { |
361 | else { |
359 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
362 | if (ns->image2) |
360 | return; |
363 | strcpy((char*)sl.buf, "image2 "); |
361 | } |
364 | else |
362 | |
365 | strcpy((char*)sl.buf, "image "); |
363 | packet sl ("anim"); |
366 | sl.len=strlen((char*)sl.buf); |
364 | |
367 | SockList_AddInt(&sl, face_num); |
365 | sl << uint16 (anim_num) |
368 | if (ns->image2) |
366 | << uint16 (0); /* flags - not used right now */ |
369 | SockList_AddChar(&sl, fallback); |
367 | |
370 | SockList_AddInt(&sl, facesets[fallback].faces[face_num].datalen); |
368 | /* Build up the list of faces. Also, send any information (ie, the |
371 | memcpy(sl.buf+sl.len, facesets[fallback].faces[face_num].data, |
369 | * the face itself) down to the client. |
372 | facesets[fallback].faces[face_num].datalen); |
370 | */ |
373 | sl.len += facesets[fallback].faces[face_num].datalen; |
371 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
374 | Send_With_Handling(ns, &sl); |
|
|
375 | } |
372 | { |
376 | ns->faces_sent[face_num] |= NS_FACESENT_FACE; |
373 | send_face (animations[anim_num].faces[i]); |
377 | free(sl.buf); |
374 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
|
|
375 | } |
|
|
376 | |
|
|
377 | send_packet (sl); |
|
|
378 | |
|
|
379 | anims_sent[anim_num] = 1; |
378 | } |
380 | } |
379 | |
381 | |
380 | /** |
382 | /** |
381 | * Sends the number of images, checksum of the face file, |
383 | * Sends the number of images, checksum of the face file, |
382 | * and the image_info file information. See the doc/Developers/protocol |
384 | * and the image_info file information. See the doc/Developers/protocol |
383 | * if you want further detail. |
385 | * if you want further detail. |
384 | */ |
386 | */ |
385 | |
387 | void |
386 | void send_image_info(NewSocket *ns, char *params) |
388 | send_image_info (client *ns, char *params) |
387 | { |
389 | { |
388 | SockList sl; |
390 | packet sl; |
389 | int i; |
|
|
390 | |
391 | |
391 | sl.buf = (unsigned char *) malloc(MAXSOCKBUF); |
392 | //TODO: second parameter is a checksum, but it makes no sense in this current framework |
|
|
393 | sl.printf ("replyinfo image_info\n%d\n%u\n", MAX_FACES, 0); |
392 | |
394 | |
393 | sprintf((char*)sl.buf,"replyinfo image_info\n%d\n%d\n", nrofpixmaps-1, bmaps_checksum); |
395 | sl << "0:base:standard:0:32x32:none:The old 32x32 faceset.\n"; |
394 | for (i=0; i<MAX_FACE_SETS; i++) { |
396 | |
395 | if (facesets[i].prefix) { |
397 | ns->send_packet (sl); |
396 | sprintf((char*)sl.buf + strlen((const char*)sl.buf), "%d:%s:%s:%d:%s:%s:%s", |
|
|
397 | i, facesets[i].prefix, facesets[i].fullname, facesets[i].fallback, |
|
|
398 | facesets[i].size, facesets[i].extension, facesets[i].comment); |
|
|
399 | } |
|
|
400 | } |
|
|
401 | sl.len = strlen((const char*)sl.buf); |
|
|
402 | Send_With_Handling(ns, &sl); |
|
|
403 | free(sl.buf); |
|
|
404 | } |
398 | } |
405 | |
399 | |
406 | /** |
400 | /** |
407 | * Sends requested face information. |
401 | * Sends requested face information. |
408 | * \param ns socket to send to |
402 | * \param ns socket to send to |
… | |
… | |
410 | * |
404 | * |
411 | * For each image in [start..stop] sends |
405 | * For each image in [start..stop] sends |
412 | * - checksum |
406 | * - checksum |
413 | * - name |
407 | * - name |
414 | */ |
408 | */ |
|
|
409 | void |
415 | void send_image_sums(NewSocket *ns, char *params) |
410 | send_image_sums (client *ns, char *params) |
416 | { |
411 | { |
417 | int start, stop; |
412 | int start, stop; |
418 | short i; |
413 | char *cp; |
419 | char qq; |
|
|
420 | char *cp, buf[MAX_BUF]; |
|
|
421 | SockList sl; |
|
|
422 | |
414 | |
423 | sl.buf = (unsigned char *) malloc(MAXSOCKBUF); |
415 | packet sl; |
424 | |
416 | |
425 | start = atoi(params); |
417 | start = atoi (params); |
426 | for (cp = params; *cp != '\0'; cp++) |
418 | for (cp = params; *cp != '\0'; cp++) |
427 | if (*cp == ' ') break; |
419 | if (*cp == ' ') |
|
|
420 | break; |
428 | |
421 | |
429 | stop = atoi(cp); |
422 | stop = atoi (cp); |
430 | if (stop < start || *cp == '\0' || (stop-start)>1000 || stop >= nrofpixmaps) { |
423 | if (stop < start || *cp == '\0' || (stop - start) > 1000 || stop >= MAX_FACES) |
|
|
424 | { |
431 | sprintf(buf,"replyinfo image_sums %d %d", start, stop); |
425 | sl.printf ("replyinfo image_sums %d %d", start, stop); |
432 | cs_write_string(ns, buf, strlen(buf)); |
426 | ns->send_packet (sl); |
|
|
427 | sl.reset (); |
433 | return; |
428 | return; |
434 | } |
429 | } |
|
|
430 | |
435 | sprintf((char*)sl.buf,"replyinfo image_sums %d %d ", start, stop); |
431 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
436 | |
432 | |
437 | sl.len = strlen((const char*)sl.buf); |
433 | for (int i = start; i <= stop && i < faces.size (); i++) |
438 | |
|
|
439 | for (i=start; i<=stop; i++) { |
|
|
440 | SockList_AddShort(&sl, i); |
|
|
441 | ns->faces_sent[i] |= NS_FACESENT_FACE; |
|
|
442 | |
|
|
443 | qq = get_face_fallback(ns->faceset, i); |
|
|
444 | SockList_AddInt(&sl, facesets[qq].faces[i].checksum); |
|
|
445 | SockList_AddChar(&sl, qq); |
|
|
446 | |
|
|
447 | qq = strlen(new_faces[i].name); |
|
|
448 | SockList_AddChar(&sl, ( char )( qq + 1 )); |
|
|
449 | strcpy((char*)sl.buf + sl.len, new_faces[i].name); |
|
|
450 | sl.len += qq; |
|
|
451 | SockList_AddChar(&sl, 0); |
|
|
452 | } |
434 | { |
|
|
435 | ns->faces_sent[i] = true; |
|
|
436 | |
|
|
437 | const facedata *d = face_data (i, ns->faceset); |
|
|
438 | |
|
|
439 | if (sl.room () < 2 + 4 + 1 + d->data.size () + 1) |
|
|
440 | break; |
|
|
441 | |
|
|
442 | sl << uint16 (i) |
|
|
443 | << uint32 (0) // checksum |
|
|
444 | << uint8 (ns->faceset); |
|
|
445 | |
|
|
446 | print_facename (sl, *d); sl << uint8 (0); |
|
|
447 | } |
|
|
448 | |
453 | /* It would make more sense to catch this pre-emptively in the code above. |
449 | /* It would make more sense to catch this pre-emptively in the code above. |
454 | * however, if this really happens, we probably just want to cut down the |
450 | * however, if this really happens, we probably just want to cut down the |
455 | * size to less than 1000, since that is what we claim the protocol would |
451 | * size to less than 1000, since that is what we claim the protocol would |
456 | * support. |
452 | * support. |
457 | */ |
453 | */ |
|
|
454 | //TODO: taken care of above, should simply abort or make sure the above code is correct |
458 | if (sl.len >= MAXSOCKBUF) { |
455 | if (sl.length () >= MAXSOCKBUF) |
|
|
456 | { |
459 | LOG(llevError,"send_image_send: buffer overrun, %d > %d\n", sl.len, MAXSOCKBUF); |
457 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
460 | abort(); |
458 | abort (); |
461 | } |
459 | } |
462 | Send_With_Handling(ns, &sl); |
460 | |
463 | free(sl.buf); |
461 | ns->send_packet (sl); |
464 | } |
462 | } |
|
|
463 | |