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35 | #include <global.h> |
35 | #include <global.h> |
36 | #include <sproto.h> |
36 | #include <sproto.h> |
37 | |
37 | |
38 | #include "crc.h" |
38 | #include "crc.h" |
39 | |
39 | |
40 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
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41 | |
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42 | /** Information about one image */ |
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43 | typedef struct FaceInfo |
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44 | { |
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45 | uint8 *data; /**< image data */ |
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46 | uint16 datalen; /**< length of the xpm data */ |
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47 | uint32 checksum; /**< Checksum of face data */ |
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48 | } FaceInfo; |
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49 | |
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50 | /** Information about one face set */ |
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51 | typedef struct |
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52 | { |
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53 | char *prefix; /**< */ |
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54 | char *fullname; |
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55 | |
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56 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
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57 | char *size; |
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58 | char *extension; |
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59 | char *comment; |
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60 | |
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61 | FaceInfo *faces; /**< images in this faceset */ |
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62 | } FaceSets; |
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63 | |
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64 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
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65 | |
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66 | /** |
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67 | * Checks specified faceset is valid |
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68 | * \param fsn faceset number |
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69 | */ |
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70 | int |
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71 | is_valid_faceset (int fsn) |
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72 | { |
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73 | if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) |
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74 | return TRUE; |
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75 | return FALSE; |
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76 | } |
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77 | |
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78 | /** |
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79 | * Frees all faceset information |
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80 | */ |
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81 | void |
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82 | free_socket_images (void) |
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83 | { |
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84 | int num, q; |
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85 | |
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86 | for (num = 0; num < MAX_FACE_SETS; num++) |
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87 | { |
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88 | if (facesets[num].prefix) |
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89 | { |
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90 | for (q = 0; q < faces.size (); q++) |
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91 | if (facesets[num].faces[q].data) |
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92 | free (facesets[num].faces[q].data); |
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93 | |
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94 | free (facesets[num].prefix); |
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95 | free (facesets[num].fullname); |
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96 | free (facesets[num].size); |
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97 | free (facesets[num].extension); |
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98 | free (facesets[num].comment); |
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99 | free (facesets[num].faces); |
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100 | } |
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101 | } |
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102 | } |
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103 | |
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104 | /** |
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105 | * This returns the set we will actually use when sending |
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106 | * a face. This is used because the image files may be sparse. |
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107 | * This function is recursive. imageno is the face number we are |
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108 | * trying to send |
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109 | * |
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110 | * If face is not found in specified faceset, tries with 'fallback' faceset. |
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111 | * |
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112 | * \param faceset faceset to check |
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113 | * \param imageno image number |
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114 | * |
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115 | */ |
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116 | static int |
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117 | get_face_fallback (int faceset, int imageno) |
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118 | { |
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119 | /* faceset 0 is supposed to have every image, so just return. Doing |
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120 | * so also prevents infinite loops in the case if it not having |
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121 | * the face, but in that case, we are likely to crash when we try |
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122 | * to access the data, but that is probably preferable to an infinite |
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123 | * loop. |
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124 | */ |
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125 | if (faceset == 0) |
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126 | return 0; |
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127 | |
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128 | if (!facesets[faceset].prefix) |
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129 | { |
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130 | LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset); |
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131 | return 0; /* use default set */ |
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132 | } |
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133 | |
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134 | if (facesets[faceset].faces[imageno].data) |
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135 | return faceset; |
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136 | |
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137 | return get_face_fallback (facesets[faceset].fallback, imageno); |
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138 | } |
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139 | |
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140 | /** |
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141 | * Checks fallback are correctly defined. |
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142 | * This is a simple recursive function that makes sure the fallbacks |
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143 | * are all proper (eg, the fall back to defined sets, and also |
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144 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
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145 | * if togo gets to zero, it means we have a loop. |
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146 | * This is only run when we first load the facesets. |
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147 | */ |
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148 | static void |
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149 | check_faceset_fallback (int faceset, int togo) |
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150 | { |
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151 | int fallback = facesets[faceset].fallback; |
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152 | |
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153 | /* proper case - falls back to base set */ |
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154 | if (fallback == 0) |
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155 | return; |
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156 | |
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157 | if (!facesets[fallback].prefix) |
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158 | { |
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159 | LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback); |
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160 | abort (); |
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161 | } |
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162 | |
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163 | togo--; |
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164 | if (togo == 0) |
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165 | { |
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166 | LOG (llevError, "Infinite loop found in facesets. aborting.\n"); |
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167 | abort (); |
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168 | } |
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169 | |
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170 | check_faceset_fallback (fallback, togo); |
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171 | } |
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172 | |
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173 | #define MAX_IMAGE_SIZE 10000 |
40 | #define MAX_IMAGE_SIZE 10000 |
174 | |
41 | |
175 | /** |
42 | /** |
176 | * Client tells us what type of faces it wants. Also sets |
43 | * Client tells us what type of faces it wants. Also sets |
177 | * the caching attribute. |
44 | * the caching attribute. |
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253 | * to smooth a picture number given as argument. |
120 | * to smooth a picture number given as argument. |
254 | */ |
121 | */ |
255 | void |
122 | void |
256 | AskSmooth (char *buf, int len, client *ns) |
123 | AskSmooth (char *buf, int len, client *ns) |
257 | { |
124 | { |
258 | ns->send_face (atoi (buf)); |
125 | ns->send_face (atoi (buf), -100); |
259 | ns->flush_fx (); |
126 | ns->flush_fx (); |
260 | } |
127 | } |
261 | |
128 | |
262 | // how lame |
129 | // how lame |
263 | static void print_facename (packet &sl, const facedata &d) |
130 | static void print_facename (packet &sl, const facedata &d) |
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292 | * this is needed for the askface, in which we really do want to send the |
159 | * this is needed for the askface, in which we really do want to send the |
293 | * face (and askface is the only place that should be setting it). Otherwise, |
160 | * face (and askface is the only place that should be setting it). Otherwise, |
294 | * we look at the facecache, and if set, send the image name. |
161 | * we look at the facecache, and if set, send the image name. |
295 | */ |
162 | */ |
296 | void |
163 | void |
297 | client::send_face (faceidx facenum) |
164 | client::send_face (faceidx facenum, int pri) |
298 | { |
165 | { |
299 | // never send face 0. ever. it does not exist. |
166 | // never send face 0. ever. it does not exist. |
300 | if (!facenum) |
167 | if (!facenum) |
301 | return; |
168 | return; |
302 | |
169 | |
303 | const facedata *d = face_data (facenum, faceset); |
170 | faceinfo *f = face_info (facenum); |
304 | |
171 | |
305 | if (!d) |
172 | if (!f) |
306 | { |
173 | { |
307 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
174 | LOG (llevError, "client::send_face (%d) out of bounds??\n", facenum); |
308 | return; |
175 | return; |
309 | } |
176 | } |
310 | |
177 | |
311 | faceinfo *f = face_info (facenum); |
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312 | |
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313 | // refuse tos end non-image faces |
178 | // refuse to send non-image faces |
314 | if (f->type) |
179 | if (!fx_want [f->type]) |
315 | return; |
180 | return; |
316 | |
181 | |
317 | if (!must_send_face (facenum)) |
182 | if (faces_sent [facenum]) |
318 | return; |
183 | return; |
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184 | |
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185 | faces_sent[facenum] = true; |
319 | |
186 | |
320 | // if for some reason we let a client without face caching connect, |
187 | // if for some reason we let a client without face caching connect, |
321 | // we better support that decision here and implement it. |
188 | // we better support that decision here and implement it. |
322 | if (!facecache) |
189 | if (!facecache) |
323 | return send_image (facenum); |
190 | return send_image (facenum); |
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325 | if (fxix) |
192 | if (fxix) |
326 | { |
193 | { |
327 | fxface.push_back (facenum); |
194 | fxface.push_back (facenum); |
328 | return; |
195 | return; |
329 | } |
196 | } |
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197 | |
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198 | const facedata *d = f->data (faceset); |
330 | |
199 | |
331 | packet sl; |
200 | packet sl; |
332 | |
201 | |
333 | if (force_face0) |
202 | if (force_face0) |
334 | sl << "face " << uint16 (facenum); |
203 | sl << "face " << uint16 (facenum); |
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361 | { |
230 | { |
362 | while (!fxface.empty ()) |
231 | while (!fxface.empty ()) |
363 | { |
232 | { |
364 | packet fx ("fx"); |
233 | packet fx ("fx"); |
365 | packet sx ("sx"); |
234 | packet sx ("sx"); |
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235 | int type = 0; |
366 | |
236 | |
367 | do |
237 | do |
368 | { |
238 | { |
369 | faceidx facenum = fxface.back (); fxface.pop_back (); |
239 | faceidx facenum = fxface.back (); fxface.pop_back (); |
370 | |
240 | |
371 | const facedata *d = face_data (facenum, faceset); |
241 | if (const faceinfo *f = face_info (facenum)) |
372 | |
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373 | if (d) |
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374 | { |
242 | { |
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243 | if (f->type != type) |
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244 | { |
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245 | type = f->type; |
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246 | |
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247 | fx << ber32 (0) |
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248 | << uint8 (1) << uint8 (type); |
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249 | } |
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250 | |
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251 | const facedata *d = f->data (faceset); |
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252 | |
375 | fx << ber32 (facenum) |
253 | fx << ber32 (facenum) |
376 | << data8 (d->chksum, CHKSUM_SIZE); |
254 | << data8 (d->chksum, CHKSUM_SIZE); |
377 | |
255 | |
378 | if (smoothing) |
256 | if (smoothing) |
379 | { |
257 | { |
380 | faceinfo *f = face_info (facenum); |
258 | faceinfo *f = face_info (facenum); |
381 | |
259 | |
382 | if (f->smooth) |
260 | if (f->smooth) |
383 | { |
261 | { |
384 | send_face (f->smooth); |
262 | send_face (f->smooth, -110); |
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263 | |
385 | sx << ber32 (facenum) |
264 | sx << ber32 (facenum) |
386 | << ber32 (f->smooth) |
265 | << ber32 (f->smooth) |
387 | << ber32 (f->smoothlevel); |
266 | << ber32 (f->smoothlevel); |
388 | } |
267 | } |
389 | } |
268 | } |
390 | } |
269 | } |
391 | } |
270 | } |
392 | while (!fxface.empty () |
271 | while (!fxface.empty () |
393 | && fx.room () > ber32::size + CHKSUM_SIZE + 1 |
272 | && fx.room () > ber32::size + CHKSUM_SIZE + 1 + 3 /* type switch */ |
394 | && sx.room () > ber32::size * 3); |
273 | && sx.room () > ber32::size * 3); |
395 | |
274 | |
396 | send_packet (fx); |
275 | send_packet (fx); |
397 | if (sx.length () > 3) send_packet (sx); |
276 | if (sx.length () > 3) send_packet (sx); |
398 | } |
277 | } |
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439 | // animations look much smoother, and every client |
318 | // animations look much smoother, and every client |
440 | // is supposed to do client-side caching anyways. |
319 | // is supposed to do client-side caching anyways. |
441 | void |
320 | void |
442 | client::send_faces (object *ob) |
321 | client::send_faces (object *ob) |
443 | { |
322 | { |
444 | send_face (ob->face); |
323 | send_face (ob->face, 10); |
445 | |
324 | |
446 | if (ob->animation_id) |
325 | if (ob->animation_id) |
447 | { |
326 | { |
448 | animation &anim = animations [ob->animation_id]; |
327 | animation &anim = animations [ob->animation_id]; |
449 | |
328 | |
450 | for (int i = 0; i < anim.num_animations; i++) |
329 | for (int i = 0; i < anim.num_animations; i++) |
451 | send_face (anim.faces [i]); |
330 | send_face (anim.faces [i], -10); |
452 | } |
331 | } |
453 | } |
332 | } |
454 | |
333 | |
455 | /** |
334 | /** |
456 | * Need to send an animation sequence to the client. |
335 | * Need to send an animation sequence to the client. |
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480 | /* Build up the list of faces. Also, send any information (ie, the |
359 | /* Build up the list of faces. Also, send any information (ie, the |
481 | * the face itself) down to the client. |
360 | * the face itself) down to the client. |
482 | */ |
361 | */ |
483 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
362 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
484 | { |
363 | { |
485 | send_face (animations[anim_num].faces[i]); |
364 | send_face (animations[anim_num].faces[i], -20); |
486 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
365 | sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */ |
487 | } |
366 | } |
488 | |
367 | |
489 | send_packet (sl); |
368 | send_packet (sl); |
490 | |
369 | |