1 | /* |
1 | /* |
2 | * CrossFire, A Multiplayer game |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (C) 2001 Mark Wedel |
5 | * Copyright (©) 2001,2007 Mark Wedel |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
11 | * option) any later version. |
12 | * |
12 | * |
13 | * 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, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
19 | * along with this program; if not, write to the Free Software |
19 | * and the GNU General Public License along with this program. If not, see |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * <http://www.gnu.org/licenses/>. |
21 | * |
21 | * |
22 | * The author can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | /** \file |
25 | /** \file |
26 | * Image related communication |
26 | * Image related communication |
27 | * |
27 | * |
… | |
… | |
36 | #include <global.h> |
36 | #include <global.h> |
37 | #include <sproto.h> |
37 | #include <sproto.h> |
38 | |
38 | |
39 | #include "crc.h" |
39 | #include "crc.h" |
40 | |
40 | |
41 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
41 | #define MAX_IMAGE_SIZE 10000 |
42 | |
|
|
43 | /** Information about one image */ |
|
|
44 | typedef struct FaceInfo |
|
|
45 | { |
|
|
46 | uint8 *data; /**< image data */ |
|
|
47 | uint16 datalen; /**< length of the xpm data */ |
|
|
48 | uint32 checksum; /**< Checksum of face data */ |
|
|
49 | } FaceInfo; |
|
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50 | |
|
|
51 | /** Information about one face set */ |
|
|
52 | typedef struct |
|
|
53 | { |
|
|
54 | char *prefix; /**< */ |
|
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55 | char *fullname; |
|
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56 | |
|
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57 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
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58 | char *size; |
|
|
59 | char *extension; |
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60 | char *comment; |
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61 | |
|
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62 | FaceInfo *faces; /**< images in this faceset */ |
|
|
63 | } FaceSets; |
|
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64 | |
|
|
65 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
|
|
66 | |
42 | |
67 | /** |
43 | /** |
68 | * Checks specified faceset is valid |
44 | * client requested an image. send it rate-limited |
69 | * \param fsn faceset number |
45 | * before flushing. |
70 | */ |
46 | */ |
71 | int |
|
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72 | is_valid_faceset (int fsn) |
|
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73 | { |
|
|
74 | if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) |
|
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75 | return TRUE; |
|
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76 | return FALSE; |
|
|
77 | } |
|
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78 | |
|
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79 | /** |
|
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80 | * Frees all faceset information |
|
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81 | */ |
|
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82 | void |
47 | void |
83 | free_socket_images (void) |
48 | AskFaceCmd (char *buf, int len, client *ns) |
84 | { |
49 | { |
85 | int num, q; |
50 | int idx = 0, pri = 0; |
86 | |
51 | |
87 | for (num = 0; num < MAX_FACE_SETS; num++) |
52 | sscanf (buf, "%d %d", &idx, &pri); |
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53 | |
|
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54 | //TODO: somehow fetch default priority from send_fx here |
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55 | |
|
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56 | const facedata *d = face_data (idx, ns->faceset); |
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57 | |
|
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58 | if (!d) |
|
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59 | return; // doh |
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60 | |
|
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61 | client::ixsend ix; |
|
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62 | |
|
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63 | ix.pri = pri; |
|
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64 | ix.idx = idx; |
|
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65 | ix.ofs = d->data.size (); |
|
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66 | |
|
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67 | auto (pos, ns->ixface.end ()); |
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68 | |
|
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69 | // the by far most common case will be to insert |
|
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70 | // near the end, so little looping. |
|
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71 | while (pos != ns->ixface.begin ()) |
88 | { |
72 | { |
89 | if (facesets[num].prefix) |
73 | --pos; |
|
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74 | |
|
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75 | // sort within 2k bins, to slightly prefer smaller images |
|
|
76 | if (pri > pos->pri || (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11))) |
90 | { |
77 | { |
91 | for (q = 0; q < nrofpixmaps; q++) |
78 | ++pos; |
92 | if (facesets[num].faces[q].data) |
79 | break; |
93 | free (facesets[num].faces[q].data); |
|
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94 | |
|
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95 | free (facesets[num].prefix); |
|
|
96 | free (facesets[num].fullname); |
|
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97 | free (facesets[num].size); |
|
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98 | free (facesets[num].extension); |
|
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99 | free (facesets[num].comment); |
|
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100 | free (facesets[num].faces); |
|
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101 | } |
80 | } |
102 | } |
81 | } |
103 | } |
|
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104 | |
82 | |
105 | /** |
83 | ns->ixface.insert (pos, ix); |
106 | * This returns the set we will actually use when sending |
|
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107 | * a face. This is used because the image files may be sparse. |
|
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108 | * This function is recursive. imageno is the face number we are |
|
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109 | * trying to send |
|
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110 | * |
|
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111 | * If face is not found in specified faceset, tries with 'fallback' faceset. |
|
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112 | * |
|
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113 | * \param faceset faceset to check |
|
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114 | * \param imageno image number |
|
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115 | * |
|
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116 | */ |
|
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117 | static int |
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118 | get_face_fallback (int faceset, int imageno) |
|
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119 | { |
|
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120 | /* faceset 0 is supposed to have every image, so just return. Doing |
|
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121 | * so also prevents infinite loops in the case if it not having |
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122 | * the face, but in that case, we are likely to crash when we try |
|
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123 | * to access the data, but that is probably preferable to an infinite |
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124 | * loop. |
|
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125 | */ |
|
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126 | if (faceset == 0) |
|
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127 | return 0; |
|
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128 | |
84 | |
129 | if (!facesets[faceset].prefix) |
85 | #if 0 |
130 | { |
86 | for (auto (i, ns->ixface.begin ()); i != ns->ixface.end (); ++i) |
131 | LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset); |
87 | fprintf (stderr, "<%d,%d> ", i->pri, i->ofs); |
132 | return 0; /* use default set */ |
88 | fprintf (stderr, "\n"); |
133 | } |
89 | #endif |
134 | |
|
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135 | if (facesets[faceset].faces[imageno].data) |
|
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136 | return faceset; |
|
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137 | |
|
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138 | return get_face_fallback (facesets[faceset].fallback, imageno); |
|
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139 | } |
|
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140 | |
|
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141 | /** |
|
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142 | * Checks fallback are correctly defined. |
|
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143 | * This is a simple recursive function that makes sure the fallbacks |
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144 | * are all proper (eg, the fall back to defined sets, and also |
|
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145 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
|
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146 | * if togo gets to zero, it means we have a loop. |
|
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147 | * This is only run when we first load the facesets. |
|
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148 | */ |
|
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149 | static void |
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150 | check_faceset_fallback (int faceset, int togo) |
|
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151 | { |
|
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152 | int fallback = facesets[faceset].fallback; |
|
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153 | |
|
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154 | /* proper case - falls back to base set */ |
|
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155 | if (fallback == 0) |
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156 | return; |
|
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157 | |
|
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158 | if (!facesets[fallback].prefix) |
|
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159 | { |
|
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160 | LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback); |
|
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161 | abort (); |
|
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162 | } |
|
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163 | |
|
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164 | togo--; |
|
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165 | if (togo == 0) |
|
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166 | { |
|
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167 | LOG (llevError, "Infinite loop found in facesets. aborting.\n"); |
|
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168 | abort (); |
|
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169 | } |
|
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170 | |
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171 | check_faceset_fallback (fallback, togo); |
|
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172 | } |
|
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173 | |
|
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174 | #define MAX_IMAGE_SIZE 10000 |
|
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175 | |
|
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176 | /** |
|
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177 | * Loads all the image types into memory. |
|
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178 | * |
|
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179 | * This way, we can easily send them to the client. We should really do something |
|
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180 | * better than abort on any errors - on the other hand, these are all fatal |
|
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181 | * to the server (can't work around them), but the abort just seems a bit |
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182 | * messy (exit would probably be better.) |
|
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183 | * |
|
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184 | * Couple of notes: We assume that the faces are in a continous block. |
|
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185 | * This works fine for now, but this could perhaps change in the future |
|
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186 | * |
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187 | * Function largely rewritten May 2000 to be more general purpose. |
|
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188 | * The server itself does not care what the image data is - to the server, |
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189 | * it is just data it needs to allocate. As such, the code is written |
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190 | * to do such. |
|
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191 | */ |
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192 | void |
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193 | read_client_images (void) |
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194 | { |
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195 | char filename[400]; |
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196 | char buf[HUGE_BUF]; |
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197 | char *cp, *cps[7]; |
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198 | FILE *infile; |
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199 | int num, len, compressed, fileno, i, badline; |
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200 | |
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201 | memset (facesets, 0, sizeof (facesets)); |
|
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202 | sprintf (filename, "%s/image_info", settings.datadir); |
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203 | if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL) |
|
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204 | { |
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205 | LOG (llevError, "Unable to open %s\n", filename); |
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206 | abort (); |
|
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207 | } |
|
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208 | |
|
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209 | while (fgets (buf, HUGE_BUF - 1, infile) != NULL) |
|
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210 | { |
|
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211 | badline = 0; |
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212 | |
|
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213 | if (buf[0] == '#') |
|
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214 | continue; |
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215 | |
|
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216 | if (!(cps[0] = strtok (buf, ":"))) |
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217 | badline = 1; |
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218 | |
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219 | for (i = 1; i < 7; i++) |
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220 | if (!(cps[i] = strtok (NULL, ":"))) |
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221 | badline = 1; |
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222 | |
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223 | if (badline) |
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224 | LOG (llevError, "Bad line in image_info file, ignoring line:\n %s", buf); |
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225 | else |
|
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226 | { |
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227 | len = atoi (cps[0]); |
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228 | if (len >= MAX_FACE_SETS) |
|
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229 | { |
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230 | LOG (llevError, "To high a setnum in image_info file: %d > %d\n", len, MAX_FACE_SETS); |
|
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231 | abort (); |
|
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232 | } |
|
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233 | facesets[len].prefix = strdup (cps[1]); |
|
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234 | facesets[len].fullname = strdup (cps[2]); |
|
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235 | facesets[len].fallback = atoi (cps[3]); |
|
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236 | facesets[len].size = strdup (cps[4]); |
|
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237 | facesets[len].extension = strdup (cps[5]); |
|
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238 | facesets[len].comment = strdup (cps[6]); |
|
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239 | } |
|
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240 | } |
|
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241 | |
|
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242 | close_and_delete (infile, compressed); |
|
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243 | |
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244 | for (i = 0; i < MAX_FACE_SETS; i++) |
|
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245 | { |
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246 | if (facesets[i].prefix) |
|
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247 | check_faceset_fallback (i, MAX_FACE_SETS); |
|
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248 | } |
|
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249 | |
|
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250 | /* Loaded the faceset information - now need to load up the |
|
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251 | * actual faces. |
|
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252 | */ |
|
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253 | |
|
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254 | for (fileno = 0; fileno < MAX_FACE_SETS; fileno++) |
|
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255 | { |
|
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256 | /* if prefix is not set, this is not used */ |
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257 | if (!facesets[fileno].prefix) |
|
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258 | continue; |
|
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259 | |
|
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260 | facesets[fileno].faces = (FaceInfo *) calloc (nrofpixmaps, sizeof (FaceInfo)); |
|
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261 | |
|
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262 | sprintf (filename, "%s/crossfire.%d", settings.datadir, fileno); |
|
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263 | LOG (llevDebug, "Loading image file %s\n", filename); |
|
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264 | |
|
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265 | if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL) |
|
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266 | { |
|
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267 | LOG (llevError, "Unable to open %s\n", filename); |
|
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268 | abort (); |
|
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269 | } |
|
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270 | |
|
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271 | while (fgets (buf, HUGE_BUF - 1, infile) != NULL) |
|
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272 | { |
|
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273 | if (strncmp (buf, "IMAGE ", 6) != 0) |
|
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274 | { |
|
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275 | LOG (llevError, "read_client_images:Bad image line - not IMAGE, instead\n%s", buf); |
|
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276 | abort (); |
|
|
277 | } |
|
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278 | |
|
|
279 | num = atoi (buf + 6); |
|
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280 | if (num < 0 || num >= nrofpixmaps) |
|
|
281 | { |
|
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282 | LOG (llevError, "read_client_images: Image num %d not in 0..%d\n%s", num, nrofpixmaps, buf); |
|
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283 | abort (); |
|
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284 | } |
|
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285 | |
|
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286 | /* Skip accross the number data */ |
|
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287 | for (cp = buf + 6; *cp != ' '; cp++); |
|
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288 | len = atoi (cp); |
|
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289 | if (len == 0 || len > MAX_IMAGE_SIZE) |
|
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290 | { |
|
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291 | LOG (llevError, "read_client_images: length not valid: %d > %d \n%s", len, MAX_IMAGE_SIZE, buf); |
|
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292 | abort (); |
|
|
293 | } |
|
|
294 | |
|
|
295 | /* We don't actualy care about the name of the image that |
|
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296 | * is embedded in the image file, so just ignore it. |
|
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297 | */ |
|
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298 | facesets[fileno].faces[num].datalen = len; |
|
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299 | facesets[fileno].faces[num].data = (uint8 *) malloc (len); |
|
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300 | if ((i = fread (facesets[fileno].faces[num].data, len, 1, infile)) != 1) |
|
|
301 | { |
|
|
302 | LOG (llevError, "read_client_images: Did not read desired amount of data, wanted %d, got %d\n%s", len, i, buf); |
|
|
303 | abort (); |
|
|
304 | } |
|
|
305 | |
|
|
306 | crc32 chksum; |
|
|
307 | |
|
|
308 | for (i = 0; i < len; i++) |
|
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309 | chksum (facesets[fileno].faces[num].data[i]); |
|
|
310 | |
|
|
311 | facesets[fileno].faces[num].checksum = chksum; |
|
|
312 | } |
|
|
313 | |
|
|
314 | close_and_delete (infile, compressed); |
|
|
315 | } /* For fileno < MAX_FACE_SETS */ |
|
|
316 | } |
|
|
317 | |
|
|
318 | /** |
|
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319 | * Client tells us what type of faces it wants. Also sets |
|
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320 | * the caching attribute. |
|
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321 | * |
|
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322 | */ |
|
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323 | void |
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324 | SetFaceMode (char *buf, int len, client *ns) |
|
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325 | { |
|
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326 | int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE); |
|
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327 | |
|
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328 | if (mode == CF_FACE_NONE) |
|
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329 | ns->facecache = 1; |
|
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330 | else if (mode != CF_FACE_PNG) |
|
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331 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png"); |
|
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332 | |
|
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333 | if (mask) |
|
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334 | ns->facecache = 1; |
|
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335 | } |
|
|
336 | |
|
|
337 | /** |
|
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338 | * Client has requested pixmap that it somehow missed getting. |
|
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339 | * This will be called often if the client is |
|
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340 | * caching images. |
|
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341 | */ |
|
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342 | void |
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343 | SendFaceCmd (char *buf, int len, client *ns) |
|
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344 | { |
|
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345 | uint16 facenum = atoi (buf); |
|
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346 | |
|
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347 | if (facenum != 0) |
|
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348 | esrv_send_face (ns, facenum, 1); |
|
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349 | } |
90 | } |
350 | |
91 | |
351 | /** |
92 | /** |
352 | * Sends a face to a client if they are in pixmap mode |
93 | * Sends a face to a client if they are in pixmap mode |
353 | * nothing gets sent in bitmap mode. |
94 | * nothing gets sent in bitmap mode. |
… | |
… | |
355 | * this is needed for the askface, in which we really do want to send the |
96 | * this is needed for the askface, in which we really do want to send the |
356 | * face (and askface is the only place that should be setting it). Otherwise, |
97 | * face (and askface is the only place that should be setting it). Otherwise, |
357 | * we look at the facecache, and if set, send the image name. |
98 | * we look at the facecache, and if set, send the image name. |
358 | */ |
99 | */ |
359 | void |
100 | void |
360 | esrv_send_face (client *ns, short face_num, int nocache) |
101 | client::send_face (faceidx facenum, int pri) |
361 | { |
102 | { |
362 | char fallback; |
103 | // never send face 0. ever. it does not exist. |
|
|
104 | if (!facenum) |
|
|
105 | return; |
363 | |
106 | |
364 | if (face_num <= 0 || face_num >= nrofpixmaps) |
107 | faceinfo *f = face_info (facenum); |
|
|
108 | |
|
|
109 | if (!f) |
365 | { |
110 | { |
366 | LOG (llevError, "esrv_send_face (%d) out of bounds??\n", face_num); |
111 | LOG (llevError | logBacktrace, "client::send_face (%d) out of bounds??\n", facenum); |
367 | return; |
112 | return; |
368 | } |
113 | } |
369 | |
114 | |
370 | packet sl; |
115 | // refuse to send non-image faces |
371 | fallback = get_face_fallback (ns->faceset, face_num); |
116 | if (!fx_want [f->type]) |
|
|
117 | return; |
372 | |
118 | |
373 | if (facesets[fallback].faces[face_num].data == NULL) |
119 | if (faces_sent [facenum]) |
|
|
120 | return; |
|
|
121 | |
|
|
122 | faces_sent[facenum] = true; |
|
|
123 | |
|
|
124 | fxface.push_back (facenum); |
|
|
125 | } |
|
|
126 | |
|
|
127 | void client::flush_fx () |
|
|
128 | { |
|
|
129 | while (!fxface.empty ()) |
|
|
130 | { |
|
|
131 | packet fx ("fx"); |
|
|
132 | packet sx ("sx"); |
|
|
133 | int type = 0; |
|
|
134 | |
|
|
135 | do |
|
|
136 | { |
|
|
137 | faceidx facenum = fxface.back (); fxface.pop_back (); |
|
|
138 | |
|
|
139 | if (const faceinfo *f = face_info (facenum)) |
|
|
140 | { |
|
|
141 | if (f->type != type) |
|
|
142 | { |
|
|
143 | type = f->type; |
|
|
144 | |
|
|
145 | fx << ber32 (0) |
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146 | << uint8 (1) << uint8 (type); |
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147 | } |
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148 | |
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149 | const facedata *d = f->data (faceset); |
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150 | |
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151 | fx << ber32 (facenum) |
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152 | << data8 (d->chksum, d->chksum_len); |
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153 | |
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154 | if (smoothing) |
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155 | { |
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156 | faceinfo *f = face_info (facenum); |
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157 | |
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158 | if (f->smooth) |
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159 | { |
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160 | send_face (f->smooth, -110); |
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161 | |
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162 | sx << ber32 (facenum) |
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163 | << ber32 (f->smooth) |
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164 | << ber32 (f->smoothlevel); |
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165 | } |
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166 | } |
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167 | } |
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168 | } |
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169 | while (!fxface.empty () |
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170 | && fx.room () > ber32::size + CHKSUM_MAXLEN + 1 + 3 /* type switch */ |
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171 | && sx.room () > ber32::size * 3); |
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172 | |
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173 | send_packet (fx); |
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174 | if (sx.length () > 3) send_packet (sx); |
374 | { |
175 | } |
375 | LOG (llevError, "esrv_send_face: faces[%d].data == NULL\n", face_num); |
176 | } |
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177 | |
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178 | // send all faces of this object to the client |
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179 | // this uses more bandwidth initially, but makes |
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180 | // animations look much smoother, and every client |
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181 | // is supposed to do client-side caching anyways. |
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182 | void |
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183 | client::send_faces (object *ob) |
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184 | { |
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185 | send_face (ob->face, 10); |
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186 | |
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187 | if (ob->animation_id) |
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188 | { |
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189 | const animation &anim = ob->anim (); |
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190 | |
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191 | for (int i = 0; i < anim.num_animations; i++) |
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192 | send_face (anim.faces [i], -10); |
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193 | } |
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194 | } |
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195 | |
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196 | /** |
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197 | * Need to send an animation sequence to the client. |
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198 | * We will send appropriate face commands to the client if we haven't |
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199 | * sent them the face yet (this can become quite costly in terms of |
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200 | * how much we are sending - on the other hand, this should only happen |
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201 | * when the player logs in and picks stuff up. |
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202 | */ |
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203 | void |
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204 | client::send_animation (short anim_num) |
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205 | { |
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206 | /* Do some checking on the anim_num we got. Note that the animations |
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207 | * are added in contiguous order, so if the number is in the valid |
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208 | * range, it must be a valid animation. |
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209 | */ |
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210 | if (anim_num < 0 || anim_num >= animations.size ()) |
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211 | { |
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212 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
376 | return; |
213 | return; |
377 | } |
214 | } |
378 | |
215 | |
379 | if (ns->facecache && !nocache) |
216 | packet sl ("anim"); |
380 | { |
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381 | sl << (ns->image2 ? "face2 " : "face1 ") |
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382 | << uint16 (face_num); |
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383 | |
217 | |
384 | if (ns->image2) |
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385 | sl << uint8 (fallback); |
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386 | |
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387 | sl << uint32 (facesets[fallback].faces[face_num].checksum) |
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388 | << new_faces[face_num].name; |
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389 | |
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390 | ns->send_packet (sl); |
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391 | } |
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392 | else |
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393 | { |
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394 | sl << (ns->image2 ? "image2 " : "image ") |
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395 | << uint32 (face_num); |
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396 | |
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397 | if (ns->image2) |
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398 | sl << uint8 (fallback); |
|
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399 | |
|
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400 | sl << uint32 (facesets[fallback].faces[face_num].datalen) |
|
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401 | << data (facesets[fallback].faces[face_num].data, facesets[fallback].faces[face_num].datalen); |
|
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402 | |
|
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403 | ns->send_packet (sl); |
|
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404 | } |
|
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405 | |
|
|
406 | ns->faces_sent[face_num] |= NS_FACESENT_FACE; |
|
|
407 | } |
|
|
408 | |
|
|
409 | /** |
|
|
410 | * Sends the number of images, checksum of the face file, |
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411 | * and the image_info file information. See the doc/Developers/protocol |
|
|
412 | * if you want further detail. |
|
|
413 | */ |
|
|
414 | |
|
|
415 | void |
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416 | send_image_info (client *ns, char *params) |
|
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417 | { |
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|
418 | packet sl; |
|
|
419 | |
|
|
420 | sl.printf ("replyinfo image_info\n%d\n%u\n", nrofpixmaps - 1, (unsigned int)bmaps_checksum); |
|
|
421 | |
|
|
422 | for (int i = 0; i < MAX_FACE_SETS; i++) |
|
|
423 | if (facesets[i].prefix) |
|
|
424 | sl.printf ("%d:%s:%s:%d:%s:%s:%s", i, |
|
|
425 | facesets[i].prefix, facesets[i].fullname , facesets[i].fallback, |
|
|
426 | facesets[i].size , facesets[i].extension, facesets[i].comment); |
|
|
427 | |
|
|
428 | ns->send_packet (sl); |
|
|
429 | } |
|
|
430 | |
|
|
431 | /** |
|
|
432 | * Sends requested face information. |
|
|
433 | * \param ns socket to send to |
|
|
434 | * \param params contains first and last index of face |
|
|
435 | * |
|
|
436 | * For each image in [start..stop] sends |
|
|
437 | * - checksum |
|
|
438 | * - name |
|
|
439 | */ |
|
|
440 | void |
|
|
441 | send_image_sums (client *ns, char *params) |
|
|
442 | { |
|
|
443 | int start, stop; |
|
|
444 | char *cp, buf[MAX_BUF]; |
|
|
445 | |
|
|
446 | packet sl; |
|
|
447 | |
|
|
448 | start = atoi (params); |
|
|
449 | for (cp = params; *cp != '\0'; cp++) |
|
|
450 | if (*cp == ' ') |
|
|
451 | break; |
|
|
452 | |
|
|
453 | stop = atoi (cp); |
|
|
454 | if (stop < start || *cp == '\0' || (stop - start) > 1000 || stop >= nrofpixmaps) |
|
|
455 | { |
|
|
456 | sl.printf ("replyinfo image_sums %d %d", start, stop); |
|
|
457 | ns->send_packet (sl); |
|
|
458 | sl.reset (); |
|
|
459 | return; |
|
|
460 | } |
|
|
461 | |
|
|
462 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
|
|
463 | |
|
|
464 | for (int i = start; i <= stop; i++) |
|
|
465 | { |
|
|
466 | ns->faces_sent[i] |= NS_FACESENT_FACE; |
|
|
467 | |
|
|
468 | int qq = get_face_fallback (ns->faceset, i); |
|
|
469 | |
|
|
470 | sl << uint16 (i) |
218 | sl << uint16 (anim_num) |
471 | << uint32 (facesets[qq].faces[i].checksum) |
219 | << uint16 (0); /* flags - not used right now */ |
472 | << uint8 (qq) |
|
|
473 | << data8 (&new_faces[i].name, new_faces[i].name.length () + 1); |
|
|
474 | } |
|
|
475 | |
220 | |
476 | /* It would make more sense to catch this pre-emptively in the code above. |
221 | /* Build up the list of faces. Also, send any information (ie, the |
477 | * however, if this really happens, we probably just want to cut down the |
222 | * the face itself) down to the client. |
478 | * size to less than 1000, since that is what we claim the protocol would |
|
|
479 | * support. |
|
|
480 | */ |
223 | */ |
481 | if (sl.length () >= MAXSOCKBUF) |
224 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
482 | { |
|
|
483 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
|
|
484 | abort (); |
|
|
485 | } |
225 | { |
|
|
226 | send_face (animations[anim_num].faces[i], -20); |
|
|
227 | sl << uint16 (animations[anim_num].faces[i]); |
|
|
228 | } |
486 | |
229 | |
487 | ns->send_packet (sl); |
230 | send_packet (sl); |
488 | } |
|
|
489 | |
231 | |
|
|
232 | anims_sent[anim_num] = 1; |
|
|
233 | } |
|
|
234 | |