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 (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
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5 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (C) 2001 Mark Wedel |
6 | * Copyright (©) 2001 Mark Wedel |
6 | * Copyright (C) 1992 Frank Tore Johansen |
7 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * |
8 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * 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 |
10 | * 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 |
11 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * (at your option) any later version. |
12 | * option) any later version. |
12 | * |
13 | * |
13 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
17 | * GNU General Public License for more details. |
17 | * |
18 | * |
18 | * You should have received a copy of the GNU General Public License |
19 | * 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 |
20 | * and the GNU General Public License along with this program. If not, see |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | * <http://www.gnu.org/licenses/>. |
21 | * |
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22 | * The author can be reached via e-mail to <crossfire@schmorp.de> |
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23 | */ |
22 | * |
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23 | * The authors can be reached via e-mail to <support@deliantra.net> |
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24 | */ |
24 | |
25 | |
25 | /** \file |
26 | /* |
26 | * Image related communication |
27 | * Image related communication |
27 | * |
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28 | * \date 2003-12-02 |
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29 | * |
28 | * |
30 | * This file deals with the image related communication to the |
29 | * This file deals with the image related communication to the |
31 | * client. I've located all the functions in this file - this |
30 | * client. I've located all the functions in this file - this |
32 | * localizes it more, and means that we don't need to declare |
31 | * localizes it more, and means that we don't need to declare |
33 | * things like all the structures as globals. |
32 | * things like all the structures as globals. |
34 | */ |
33 | */ |
35 | |
34 | |
36 | #include <global.h> |
35 | #include <global.h> |
37 | #include <sproto.h> |
36 | #include <sproto.h> |
38 | |
37 | |
39 | #define MAX_FACE_SETS 20 /**< Maximum number of image sets the program will handle */ |
38 | #include "crc.h" |
40 | |
39 | |
41 | /** Information about one image */ |
40 | #define MAX_IMAGE_SIZE 10000 |
42 | typedef struct FaceInfo |
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43 | { |
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44 | uint8 *data; /**< image data */ |
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45 | uint16 datalen; /**< length of the xpm data */ |
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46 | uint32 checksum; /**< Checksum of face data */ |
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47 | } FaceInfo; |
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48 | |
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49 | /** Information about one face set */ |
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50 | typedef struct |
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51 | { |
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52 | char *prefix; /**< */ |
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53 | char *fullname; |
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54 | |
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55 | uint8 fallback; /**< faceset to use when an image is not found in this faceset */ |
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56 | char *size; |
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57 | char *extension; |
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58 | char *comment; |
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59 | |
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60 | FaceInfo *faces; /**< images in this faceset */ |
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61 | } FaceSets; |
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62 | |
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63 | static FaceSets facesets[MAX_FACE_SETS]; /**< All facesets */ |
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64 | |
41 | |
65 | /** |
42 | /** |
66 | * Checks specified faceset is valid |
43 | * client requested an image. send it rate-limited |
67 | * \param fsn faceset number |
44 | * before flushing. |
68 | */ |
45 | */ |
69 | int |
46 | void |
70 | is_valid_faceset (int fsn) |
47 | AskFaceCmd (char *buf, int len, client *ns) |
71 | { |
48 | { |
72 | if (fsn >= 0 && fsn < MAX_FACE_SETS && facesets[fsn].prefix) |
49 | int idx = 0, pri = 0; |
73 | return TRUE; |
50 | |
74 | return FALSE; |
51 | sscanf (buf, "%d %d", &idx, &pri); |
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52 | |
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53 | //TODO: somehow fetch default priority from send_fx here |
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54 | |
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55 | const faceinfo *f = face_info (idx); |
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56 | |
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57 | if (!f) |
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58 | return; // doh |
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59 | |
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60 | int set = ns->tileset; |
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61 | |
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62 | if (!f->face [set].chksum_len) |
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63 | set = 0; |
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64 | |
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65 | /* cfperl_ix calls cf::face::ix which loads the data */ |
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66 | /* and then calls cf::client::send_ix to actually queue the ix */ |
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67 | cfperl_ix (ns, set, idx, pri); |
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68 | } |
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69 | |
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70 | void |
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71 | client::ix_send (faceidx idx, sint16 pri, SV *data_sv) |
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72 | { |
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73 | STRLEN size; |
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74 | char *data = SvPVbyte (data_sv, size); |
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75 | ixsend ix; |
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76 | |
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77 | ix.pri = pri; |
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78 | ix.idx = idx; |
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79 | ix.ofs = size; |
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80 | ix.data = (uint8 *)data; |
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81 | ix.data_sv = SvREFCNT_inc (data_sv); |
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82 | |
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83 | auto pos = ixface.end (); |
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84 | |
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85 | // the by far most common case will be to insert |
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86 | // near the end, so little looping. |
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87 | while (pos != ixface.begin ()) |
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88 | { |
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89 | --pos; |
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90 | |
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91 | // sort within 2k bins, to slightly prefer smaller images |
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92 | if (pri > pos->pri || (pri == pos->pri && (ix.ofs >> 11) <= (pos->ofs >> 11))) |
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93 | { |
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94 | ++pos; |
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95 | break; |
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96 | } |
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97 | } |
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98 | |
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99 | ixface.insert (pos, ix); |
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100 | |
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101 | #if 0 |
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102 | for (auto &&i : ixface) |
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103 | fprintf (stderr, "<%d,%d> ", i.pri, i.ofs); |
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104 | fprintf (stderr, "\n"); |
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105 | #endif |
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106 | } |
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107 | |
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108 | void |
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109 | client::ix_pop () |
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110 | { |
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111 | ixsend &ix = ixface.back (); |
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112 | |
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113 | SvREFCNT_dec (ix.data_sv); |
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114 | |
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115 | ixface.pop_back (); |
75 | } |
116 | } |
76 | |
117 | |
77 | /** |
118 | /** |
78 | * Frees all faceset information |
119 | * Sends a face offer (fx) to a client. |
79 | */ |
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80 | void |
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81 | free_socket_images (void) |
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82 | { |
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83 | int num, q; |
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84 | |
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85 | for (num = 0; num < MAX_FACE_SETS; num++) |
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86 | { |
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87 | if (facesets[num].prefix) |
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88 | { |
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89 | for (q = 0; q < nrofpixmaps; q++) |
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90 | if (facesets[num].faces[q].data) |
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91 | free (facesets[num].faces[q].data); |
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92 | |
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93 | free (facesets[num].prefix); |
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94 | free (facesets[num].fullname); |
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95 | free (facesets[num].size); |
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96 | free (facesets[num].extension); |
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97 | free (facesets[num].comment); |
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98 | free (facesets[num].faces); |
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99 | } |
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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 | * This returns the set we will actually use when sending |
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105 | * a face. This is used because the image files may be sparse. |
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106 | * This function is recursive. imageno is the face number we are |
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107 | * trying to send |
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108 | * |
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109 | * If face is not found in specified faceset, tries with 'fallback' faceset. |
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110 | * |
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111 | * \param faceset faceset to check |
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112 | * \param imageno image number |
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113 | * |
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114 | */ |
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115 | static int |
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116 | get_face_fallback (int faceset, int imageno) |
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117 | { |
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118 | /* faceset 0 is supposed to have every image, so just return. Doing |
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119 | * so also prevents infinite loops in the case if it not having |
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120 | * the face, but in that case, we are likely to crash when we try |
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121 | * to access the data, but that is probably preferable to an infinite |
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122 | * loop. |
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123 | */ |
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124 | if (faceset == 0) |
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125 | return 0; |
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126 | |
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127 | if (!facesets[faceset].prefix) |
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128 | { |
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129 | LOG (llevError, "get_face_fallback called with unused set (%d)?\n", faceset); |
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130 | return 0; /* use default set */ |
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131 | } |
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132 | |
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133 | if (facesets[faceset].faces[imageno].data) |
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134 | return faceset; |
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135 | |
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136 | return get_face_fallback (facesets[faceset].fallback, imageno); |
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137 | } |
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138 | |
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139 | /** |
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140 | * Checks fallback are correctly defined. |
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141 | * This is a simple recursive function that makes sure the fallbacks |
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142 | * are all proper (eg, the fall back to defined sets, and also |
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143 | * eventually fall back to 0). At the top level, togo is set to MAX_FACE_SETS, |
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144 | * if togo gets to zero, it means we have a loop. |
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145 | * This is only run when we first load the facesets. |
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146 | */ |
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147 | static void |
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148 | check_faceset_fallback (int faceset, int togo) |
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149 | { |
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150 | int fallback = facesets[faceset].fallback; |
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151 | |
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152 | /* proper case - falls back to base set */ |
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153 | if (fallback == 0) |
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154 | return; |
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155 | |
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156 | if (!facesets[fallback].prefix) |
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157 | { |
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158 | LOG (llevError, "Face set %d falls to non set faceset %d\n", faceset, fallback); |
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159 | abort (); |
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160 | } |
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161 | |
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162 | togo--; |
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163 | if (togo == 0) |
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164 | { |
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165 | LOG (llevError, "Infinite loop found in facesets. aborting.\n"); |
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166 | abort (); |
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167 | } |
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168 | |
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169 | check_faceset_fallback (fallback, togo); |
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170 | } |
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171 | |
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172 | #define MAX_IMAGE_SIZE 10000 |
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173 | |
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174 | /** |
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175 | * Loads all the image types into memory. |
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176 | * |
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177 | * This way, we can easily send them to the client. We should really do something |
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178 | * better than abort on any errors - on the other hand, these are all fatal |
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179 | * to the server (can't work around them), but the abort just seems a bit |
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180 | * messy (exit would probably be better.) |
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181 | * |
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182 | * Couple of notes: We assume that the faces are in a continous block. |
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183 | * This works fine for now, but this could perhaps change in the future |
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184 | * |
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185 | * Function largely rewritten May 2000 to be more general purpose. |
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186 | * The server itself does not care what the image data is - to the server, |
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187 | * it is just data it needs to allocate. As such, the code is written |
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188 | * to do such. |
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189 | */ |
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190 | void |
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191 | read_client_images (void) |
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192 | { |
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193 | char filename[400]; |
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194 | char buf[HUGE_BUF]; |
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195 | char *cp, *cps[7]; |
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196 | FILE *infile; |
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197 | int num, len, compressed, fileno, i, badline; |
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198 | |
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199 | memset (facesets, 0, sizeof (facesets)); |
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200 | sprintf (filename, "%s/image_info", settings.datadir); |
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201 | if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL) |
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202 | { |
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203 | LOG (llevError, "Unable to open %s\n", filename); |
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204 | abort (); |
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205 | } |
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206 | |
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207 | while (fgets (buf, HUGE_BUF - 1, infile) != NULL) |
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208 | { |
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209 | badline = 0; |
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210 | |
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211 | if (buf[0] == '#') |
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212 | continue; |
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213 | |
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214 | if (!(cps[0] = strtok (buf, ":"))) |
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215 | badline = 1; |
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216 | |
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217 | for (i = 1; i < 7; i++) |
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218 | if (!(cps[i] = strtok (NULL, ":"))) |
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219 | badline = 1; |
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220 | |
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221 | if (badline) |
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222 | LOG (llevError, "Bad line in image_info file, ignoring line:\n %s", buf); |
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223 | else |
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224 | { |
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225 | len = atoi (cps[0]); |
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226 | if (len >= MAX_FACE_SETS) |
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227 | { |
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228 | LOG (llevError, "To high a setnum in image_info file: %d > %d\n", len, MAX_FACE_SETS); |
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229 | abort (); |
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230 | } |
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231 | facesets[len].prefix = strdup (cps[1]); |
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232 | facesets[len].fullname = strdup (cps[2]); |
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233 | facesets[len].fallback = atoi (cps[3]); |
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234 | facesets[len].size = strdup (cps[4]); |
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235 | facesets[len].extension = strdup (cps[5]); |
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236 | facesets[len].comment = strdup (cps[6]); |
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237 | } |
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238 | } |
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239 | |
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240 | close_and_delete (infile, compressed); |
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241 | |
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242 | for (i = 0; i < MAX_FACE_SETS; i++) |
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243 | { |
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244 | if (facesets[i].prefix) |
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245 | check_faceset_fallback (i, MAX_FACE_SETS); |
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246 | } |
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247 | |
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248 | /* Loaded the faceset information - now need to load up the |
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249 | * actual faces. |
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250 | */ |
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251 | |
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252 | for (fileno = 0; fileno < MAX_FACE_SETS; fileno++) |
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253 | { |
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254 | /* if prefix is not set, this is not used */ |
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255 | if (!facesets[fileno].prefix) |
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256 | continue; |
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257 | |
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258 | facesets[fileno].faces = (FaceInfo *) calloc (nrofpixmaps, sizeof (FaceInfo)); |
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259 | |
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260 | sprintf (filename, "%s/crossfire.%d", settings.datadir, fileno); |
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261 | LOG (llevDebug, "Loading image file %s\n", filename); |
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262 | |
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263 | if ((infile = open_and_uncompress (filename, 0, &compressed)) == NULL) |
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264 | { |
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265 | LOG (llevError, "Unable to open %s\n", filename); |
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266 | abort (); |
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267 | } |
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268 | |
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269 | while (fgets (buf, HUGE_BUF - 1, infile) != NULL) |
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270 | { |
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271 | if (strncmp (buf, "IMAGE ", 6) != 0) |
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272 | { |
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273 | LOG (llevError, "read_client_images:Bad image line - not IMAGE, instead\n%s", buf); |
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274 | abort (); |
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275 | } |
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276 | |
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277 | num = atoi (buf + 6); |
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278 | if (num < 0 || num >= nrofpixmaps) |
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279 | { |
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280 | LOG (llevError, "read_client_images: Image num %d not in 0..%d\n%s", num, nrofpixmaps, buf); |
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281 | abort (); |
|
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282 | } |
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283 | |
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284 | /* Skip accross the number data */ |
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285 | for (cp = buf + 6; *cp != ' '; cp++); |
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286 | len = atoi (cp); |
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287 | if (len == 0 || len > MAX_IMAGE_SIZE) |
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288 | { |
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289 | LOG (llevError, "read_client_images: length not valid: %d > %d \n%s", len, MAX_IMAGE_SIZE, buf); |
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290 | abort (); |
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291 | } |
|
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292 | |
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293 | /* We don't actualy care about the name of the image that |
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294 | * is embedded in the image file, so just ignore it. |
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295 | */ |
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296 | facesets[fileno].faces[num].datalen = len; |
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297 | facesets[fileno].faces[num].data = (uint8 *) malloc (len); |
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298 | if ((i = fread (facesets[fileno].faces[num].data, len, 1, infile)) != 1) |
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299 | { |
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300 | LOG (llevError, "read_client_images: Did not read desired amount of data, wanted %d, got %d\n%s", len, i, buf); |
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301 | abort (); |
|
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302 | } |
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303 | |
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304 | facesets[fileno].faces[num].checksum = 0; |
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305 | for (i = 0; i < len; i++) |
|
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306 | { |
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307 | rotate_right (facesets[fileno].faces[num].checksum); |
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308 | facesets[fileno].faces[num].checksum += facesets[fileno].faces[num].data[i]; |
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309 | facesets[fileno].faces[num].checksum &= 0xffffffff; |
|
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310 | } |
|
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311 | } |
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312 | |
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313 | close_and_delete (infile, compressed); |
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314 | } /* For fileno < MAX_FACE_SETS */ |
|
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315 | } |
|
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316 | |
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317 | /** |
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318 | * Client tells us what type of faces it wants. Also sets |
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319 | * the caching attribute. |
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320 | * |
|
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321 | */ |
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322 | void |
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323 | SetFaceMode (char *buf, int len, client *ns) |
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324 | { |
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325 | int mask = (atoi (buf) & CF_FACE_CACHE), mode = (atoi (buf) & ~CF_FACE_CACHE); |
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326 | |
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327 | if (mode == CF_FACE_NONE) |
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328 | ns->facecache = 1; |
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329 | else if (mode != CF_FACE_PNG) |
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330 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, "Warning - send unsupported face mode. Will use Png"); |
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331 | |
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332 | if (mask) |
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333 | ns->facecache = 1; |
|
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334 | } |
|
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335 | |
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336 | /** |
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337 | * Client has requested pixmap that it somehow missed getting. |
|
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338 | * This will be called often if the client is |
|
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339 | * caching images. |
|
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340 | */ |
|
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341 | void |
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342 | SendFaceCmd (char *buf, int len, client *ns) |
|
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343 | { |
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344 | uint16 facenum = atoi (buf); |
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345 | |
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346 | if (facenum != 0) |
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347 | esrv_send_face (ns, facenum, 1); |
|
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348 | } |
|
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349 | |
|
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350 | /** |
|
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351 | * Sends a face to a client if they are in pixmap mode |
|
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352 | * nothing gets sent in bitmap mode. |
|
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353 | * If nocache is true (nonzero), ignore the cache setting from the client - |
120 | * If nocache is true (nonzero), ignore the cache setting from the client - |
354 | * this is needed for the askface, in which we really do want to send the |
121 | * this is needed for the askface, in which we really do want to send the |
355 | * face (and askface is the only place that should be setting it). Otherwise, |
122 | * face (and askface is the only place that should be setting it). Otherwise, |
356 | * we look at the facecache, and if set, send the image name. |
123 | * we look at the facecache, and if set, send the image name. |
357 | */ |
124 | */ |
358 | void |
125 | void |
359 | esrv_send_face (client *ns, short face_num, int nocache) |
126 | client::send_face (faceidx facenum, int pri) |
360 | { |
127 | { |
361 | char fallback; |
128 | // never send face 0. ever. it does not exist. |
|
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129 | if (!facenum) |
|
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130 | return; |
362 | |
131 | |
363 | if (face_num <= 0 || face_num >= nrofpixmaps) |
132 | faceinfo *f = face_info (facenum); |
|
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133 | |
|
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134 | if (!f) |
364 | { |
135 | { |
365 | LOG (llevError, "esrv_send_face (%d) out of bounds??\n", face_num); |
136 | LOG (llevError | logBacktrace, "client::send_face (%d) out of bounds??\n", facenum); |
366 | return; |
137 | return; |
367 | } |
138 | } |
368 | |
139 | |
369 | packet sl; |
140 | // refuse to send non-image faces unless requested |
370 | fallback = get_face_fallback (ns->faceset, face_num); |
141 | if (!fx_want [f->type]) |
|
|
142 | return; |
371 | |
143 | |
372 | if (facesets[fallback].faces[face_num].data == NULL) |
144 | if (faces_sent [facenum]) |
|
|
145 | return; |
|
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146 | |
|
|
147 | faces_sent [facenum] = true; |
|
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148 | |
|
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149 | fxface.push_back (facenum); |
|
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150 | } |
|
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151 | |
|
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152 | void client::flush_fx () |
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153 | { |
|
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154 | while (!fxface.empty ()) |
|
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155 | { |
|
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156 | packet fx ("fx"); |
|
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157 | packet sx ("sx"); |
|
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158 | int type = 0; |
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159 | |
|
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160 | do |
|
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161 | { |
|
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162 | faceidx facenum = fxface.back (); fxface.pop_back (); |
|
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163 | |
|
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164 | if (const faceinfo *f = face_info (facenum)) |
|
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165 | { |
|
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166 | if (f->type != type) |
|
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167 | { |
|
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168 | type = f->type; |
|
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169 | |
|
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170 | fx << ber32 (0) |
|
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171 | << uint8 (1) << uint8 (type); |
|
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172 | } |
|
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173 | |
|
|
174 | const facedata *d = f->data (tileset); |
|
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175 | |
|
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176 | fx << ber32 (facenum) |
|
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177 | << data8 (d->chksum, d->chksum_len); |
|
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178 | |
|
|
179 | if (smoothing) |
|
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180 | { |
|
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181 | faceinfo *f = face_info (facenum); |
|
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182 | |
|
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183 | if (f->smooth) |
|
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184 | { |
|
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185 | send_face (f->smooth, -110); |
|
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186 | |
|
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187 | sx << ber32 (facenum) |
|
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188 | << ber32 (f->smooth) |
|
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189 | << ber32 (f->smoothlevel); |
|
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190 | } |
|
|
191 | } |
|
|
192 | } |
|
|
193 | } |
|
|
194 | while (!fxface.empty () |
|
|
195 | && fx.room () > ber32::size + CHKSUM_MAXLEN + 1 + 3 /* type switch */ |
|
|
196 | && sx.room () > ber32::size * 3); |
|
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197 | |
|
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198 | send_packet (fx); |
|
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199 | if (sx.length () > 3) send_packet (sx); |
373 | { |
200 | } |
374 | LOG (llevError, "esrv_send_face: faces[%d].data == NULL\n", face_num); |
201 | } |
|
|
202 | |
|
|
203 | // send all faces of this object to the client |
|
|
204 | // this uses more bandwidth initially, but makes |
|
|
205 | // animations look much smoother, and every client |
|
|
206 | // is supposed to do client-side caching anyways. |
|
|
207 | void |
|
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208 | client::send_faces (object *ob) |
|
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209 | { |
|
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210 | send_face (ob->face, 10); |
|
|
211 | |
|
|
212 | if (ob->animation_id) |
|
|
213 | { |
|
|
214 | const animation &anim = ob->anim (); |
|
|
215 | |
|
|
216 | for (int i = 0; i < anim.num_animations; i++) |
|
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217 | send_face (anim.faces [i], -10); |
|
|
218 | } |
|
|
219 | } |
|
|
220 | |
|
|
221 | /** |
|
|
222 | * Need to send an animation sequence to the client. |
|
|
223 | * We will send appropriate face commands to the client if we haven't |
|
|
224 | * sent them the face yet (this can become quite costly in terms of |
|
|
225 | * how much we are sending - on the other hand, this should only happen |
|
|
226 | * when the player logs in and picks stuff up. |
|
|
227 | */ |
|
|
228 | void |
|
|
229 | client::send_animation (short anim_num) |
|
|
230 | { |
|
|
231 | /* Do some checking on the anim_num we got. Note that the animations |
|
|
232 | * are added in contiguous order, so if the number is in the valid |
|
|
233 | * range, it must be a valid animation. |
|
|
234 | */ |
|
|
235 | if (anim_num < 0 || anim_num >= animations.size ()) |
|
|
236 | { |
|
|
237 | LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num); |
375 | return; |
238 | return; |
376 | } |
239 | } |
377 | |
240 | |
378 | if (ns->facecache && !nocache) |
241 | packet sl ("anim"); |
379 | { |
|
|
380 | sl << (ns->image2 ? "face2 " : "face1 ") |
|
|
381 | << uint16 (face_num); |
|
|
382 | |
242 | |
383 | if (ns->image2) |
|
|
384 | sl << uint8 (fallback); |
|
|
385 | |
|
|
386 | sl << uint32 (facesets[fallback].faces[face_num].checksum) |
|
|
387 | << new_faces[face_num].name; |
|
|
388 | |
|
|
389 | ns->send_packet (sl); |
|
|
390 | } |
|
|
391 | else |
|
|
392 | { |
|
|
393 | sl << (ns->image2 ? "image2 " : "image ") |
|
|
394 | << uint32 (face_num); |
|
|
395 | |
|
|
396 | if (ns->image2) |
|
|
397 | sl << uint8 (fallback); |
|
|
398 | |
|
|
399 | sl << uint32 (facesets[fallback].faces[face_num].datalen) |
|
|
400 | << data (facesets[fallback].faces[face_num].data, facesets[fallback].faces[face_num].datalen); |
|
|
401 | |
|
|
402 | ns->send_packet (sl); |
|
|
403 | } |
|
|
404 | |
|
|
405 | ns->faces_sent[face_num] |= NS_FACESENT_FACE; |
|
|
406 | } |
|
|
407 | |
|
|
408 | /** |
|
|
409 | * Sends the number of images, checksum of the face file, |
|
|
410 | * and the image_info file information. See the doc/Developers/protocol |
|
|
411 | * if you want further detail. |
|
|
412 | */ |
|
|
413 | |
|
|
414 | void |
|
|
415 | send_image_info (client *ns, char *params) |
|
|
416 | { |
|
|
417 | packet sl; |
|
|
418 | |
|
|
419 | sl.printf ("replyinfo image_info\n%d\n%u\n", nrofpixmaps - 1, (unsigned int)bmaps_checksum); |
|
|
420 | |
|
|
421 | for (int i = 0; i < MAX_FACE_SETS; i++) |
|
|
422 | if (facesets[i].prefix) |
|
|
423 | sl.printf ("%d:%s:%s:%d:%s:%s:%s", i, |
|
|
424 | facesets[i].prefix, facesets[i].fullname , facesets[i].fallback, |
|
|
425 | facesets[i].size , facesets[i].extension, facesets[i].comment); |
|
|
426 | |
|
|
427 | ns->send_packet (sl); |
|
|
428 | } |
|
|
429 | |
|
|
430 | /** |
|
|
431 | * Sends requested face information. |
|
|
432 | * \param ns socket to send to |
|
|
433 | * \param params contains first and last index of face |
|
|
434 | * |
|
|
435 | * For each image in [start..stop] sends |
|
|
436 | * - checksum |
|
|
437 | * - name |
|
|
438 | */ |
|
|
439 | void |
|
|
440 | send_image_sums (client *ns, char *params) |
|
|
441 | { |
|
|
442 | int start, stop; |
|
|
443 | char *cp, buf[MAX_BUF]; |
|
|
444 | |
|
|
445 | packet sl; |
|
|
446 | |
|
|
447 | start = atoi (params); |
|
|
448 | for (cp = params; *cp != '\0'; cp++) |
|
|
449 | if (*cp == ' ') |
|
|
450 | break; |
|
|
451 | |
|
|
452 | stop = atoi (cp); |
|
|
453 | if (stop < start || *cp == '\0' || (stop - start) > 1000 || stop >= nrofpixmaps) |
|
|
454 | { |
|
|
455 | sl.printf ("replyinfo image_sums %d %d", start, stop); |
|
|
456 | ns->send_packet (sl); |
|
|
457 | sl.reset (); |
|
|
458 | return; |
|
|
459 | } |
|
|
460 | |
|
|
461 | sl.printf ("replyinfo image_sums %d %d ", start, stop); |
|
|
462 | |
|
|
463 | for (int i = start; i <= stop; i++) |
|
|
464 | { |
|
|
465 | ns->faces_sent[i] |= NS_FACESENT_FACE; |
|
|
466 | |
|
|
467 | int qq = get_face_fallback (ns->faceset, i); |
|
|
468 | |
|
|
469 | sl << uint16 (i) |
243 | sl << uint16 (anim_num) |
470 | << uint32 (facesets[qq].faces[i].checksum) |
244 | << uint16 (0); /* flags - not used right now */ |
471 | << uint8 (qq) |
|
|
472 | << data8 (&new_faces[i].name, new_faces[i].name.length () + 1); |
|
|
473 | } |
|
|
474 | |
245 | |
475 | /* It would make more sense to catch this pre-emptively in the code above. |
246 | /* Build up the list of faces. Also, send any information (ie, the |
476 | * however, if this really happens, we probably just want to cut down the |
247 | * the face itself) down to the client. |
477 | * size to less than 1000, since that is what we claim the protocol would |
|
|
478 | * support. |
|
|
479 | */ |
248 | */ |
480 | if (sl.length () >= MAXSOCKBUF) |
249 | for (int i = 0; i < animations[anim_num].num_animations; i++) |
481 | { |
|
|
482 | LOG (llevError, "send_image_send: buffer overrun, %d > %d\n", sl.length (), MAXSOCKBUF); |
|
|
483 | abort (); |
|
|
484 | } |
250 | { |
|
|
251 | send_face (animations[anim_num].faces[i], -20); |
|
|
252 | sl << uint16 (animations[anim_num].faces[i]); |
|
|
253 | } |
485 | |
254 | |
486 | ns->send_packet (sl); |
255 | send_packet (sl); |
487 | } |
|
|
488 | |
256 | |
|
|
257 | anims_sent[anim_num] = 1; |
|
|
258 | } |
|
|
259 | |
|
|
260 | void |
|
|
261 | client::invalidate_face (faceidx idx) |
|
|
262 | { |
|
|
263 | if (!faces_sent [idx]) |
|
|
264 | return; |
|
|
265 | |
|
|
266 | faces_sent [idx] = false; |
|
|
267 | send_face (idx); |
|
|
268 | //TODO: check for active ix and abort it. |
|
|
269 | } |
|
|
270 | |
|
|
271 | void |
|
|
272 | client::invalidate_all_faces () |
|
|
273 | { |
|
|
274 | for (faceidx i = 0; i < faces_sent.size (); ++i) |
|
|
275 | invalidate_face (i); |
|
|
276 | } |
|
|
277 | |