1 /* $Id: netmisc.c,v 1.11 2004-08-28 23:17:45 schaffner Exp $ */
3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
4 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
7 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
9 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
17 * Misc routines for network.
26 static char rcsid[] = "$Id: netmisc.c,v 1.11 2004-08-28 23:17:45 schaffner Exp $";
36 #ifdef WORDS_BIGENDIAN
42 // routine to calculate the checksum of the segments. We add these specialized routines
43 // since the current way is byte order dependent.
45 void mac_do_checksum_calc(ubyte *b, int len, unsigned int *s1, unsigned int *s2)
50 if (*s1 >= 255) *s1 -= 255;
55 ushort mac_calc_segment_checksum()
58 unsigned int sum1,sum2;
63 for (i = 0; i < Highest_segment_index + 1; i++) {
64 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
65 mac_do_checksum_calc((unsigned char *)&(Segments[i].sides[j].type), 1, &sum1, &sum2);
66 mac_do_checksum_calc(&(Segments[i].sides[j].pad), 1, &sum1, &sum2);
67 s = INTEL_SHORT(Segments[i].sides[j].wall_num);
68 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
69 s = INTEL_SHORT(Segments[i].sides[j].tmap_num);
70 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
71 s = INTEL_SHORT(Segments[i].sides[j].tmap_num2);
72 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
73 for (k = 0; k < 4; k++) {
74 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].u));
75 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
76 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].v));
77 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
78 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].l));
79 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
81 for (k = 0; k < 2; k++) {
82 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].x));
83 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
84 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].y));
85 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
86 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].z));
87 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
90 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
91 s = INTEL_SHORT(Segments[i].children[j]);
92 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
94 for (j = 0; j < MAX_VERTICES_PER_SEGMENT; j++) {
95 s = INTEL_SHORT(Segments[i].verts[j]);
96 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
98 t = INTEL_INT(Segments[i].objects);
99 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
102 return ((sum1<<8)+ sum2);
105 // this routine totally and completely relies on the fact that the network
106 // checksum must be calculated on the segments!!!!!
108 ushort netmisc_calc_checksum(void * vptr, int len)
112 return mac_calc_segment_checksum();
115 // following are routine for macintosh only that will swap the elements of
116 // structures send through the networking code. The structures and
117 // this code must be kept in total sync
128 sbyte out_buffer[IPX_MAX_DATA_SIZE]; // used for tmp netgame packets as well as sending object data
130 void receive_netplayer_info(ubyte *data, netplayer_info *info)
134 memcpy(info->callsign, &(data[loc]), CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
135 memcpy(&(info->network.ipx.server), &(data[loc]), 4); loc += 4;
136 memcpy(&(info->network.ipx.node), &(data[loc]), 6); loc += 6;
137 info->version_major = data[loc]; loc++;
138 info->version_minor = data[loc]; loc++;
139 memcpy(&(info->computer_type), &(data[loc]), 1); loc++; // memcpy to avoid compile time warning about enum
140 info->connected = data[loc]; loc++;
141 memcpy(&(info->socket), &(data[loc]), 2); loc += 2;
142 memcpy (&(info->rank),&(data[loc]),1); loc++;
143 // MWA don't think we need to swap this because we need it in high
144 // order info->socket = INTEL_SHORT(info->socket);
147 void send_netplayers_packet(ubyte *server, ubyte *node)
153 memset(out_buffer, 0, sizeof(out_buffer));
154 out_buffer[0] = NetPlayers.type; loc++;
155 tmpi = INTEL_INT(NetPlayers.Security);
156 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
157 for (i = 0; i < MAX_PLAYERS+4; i++) {
158 memcpy(&(out_buffer[loc]), NetPlayers.players[i].callsign, CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
159 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.server, 4); loc += 4;
160 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.node, 6); loc += 6;
161 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_major), 1); loc++;
162 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_minor), 1); loc++;
163 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].computer_type), 1); loc++;
164 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].connected), 1); loc++;
165 tmps = INTEL_SHORT(NetPlayers.players[i].socket);
166 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
167 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].rank), 1); loc++;
170 if ((server == NULL) && (node == NULL))
171 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
173 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
177 void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo)
181 pinfo->type = data[loc]; loc++;
182 memcpy(&(pinfo->Security), &(data[loc]), 4); loc += 4;
183 pinfo->Security = INTEL_INT(pinfo->Security);
184 for (i = 0; i < MAX_PLAYERS+4; i++) {
185 receive_netplayer_info(&(data[loc]), &(pinfo->players[i]));
186 loc += 26; // sizeof(netplayer_info) on the PC
190 void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address)
196 memset(out_buffer, 0, sizeof(out_buffer));
197 out_buffer[0] = seq.type; loc++;
198 tmpi = INTEL_INT(seq.Security);
199 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; loc += 3;
200 memcpy(&(out_buffer[loc]), seq.player.callsign, CALLSIGN_LEN+1);loc += CALLSIGN_LEN+1;
201 memcpy(&(out_buffer[loc]), seq.player.network.ipx.server, 4); loc += 4;
202 memcpy(&(out_buffer[loc]), seq.player.network.ipx.node, 6); loc += 6;
203 out_buffer[loc] = seq.player.version_major; loc++;
204 out_buffer[loc] = seq.player.version_minor; loc++;
205 out_buffer[loc] = seq.player.computer_type; loc++;
206 out_buffer[loc] = seq.player.connected; loc++;
207 tmps = INTEL_SHORT(seq.player.socket);
208 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
209 out_buffer[loc]=seq.player.rank; loc++; // for pad byte
210 if (net_address != NULL)
211 ipx_send_packet_data((unsigned char *)out_buffer, loc, server, node, net_address);
212 else if ((server == NULL) && (node == NULL))
213 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
215 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
218 void receive_sequence_packet(ubyte *data, sequence_packet *seq)
222 seq->type = data[0]; loc++;
223 memcpy(&(seq->Security), &(data[loc]), 4); loc += 4; loc += 3; // +3 for pad byte
224 seq->Security = INTEL_INT(seq->Security);
225 receive_netplayer_info(&(data[loc]), &(seq->player));
228 void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag) // lite says shorter netgame packets
235 memset(out_buffer, 0, IPX_MAX_DATA_SIZE);
236 memcpy(&(out_buffer[loc]), &(Netgame.type), 1); loc++;
237 tmpi = INTEL_INT(Netgame.Security);
238 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
239 memcpy(&(out_buffer[loc]), Netgame.game_name, NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
240 memcpy(&(out_buffer[loc]), Netgame.mission_title, MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
241 memcpy(&(out_buffer[loc]), Netgame.mission_name, 9); loc += 9;
242 tmpi = INTEL_INT(Netgame.levelnum);
243 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
244 memcpy(&(out_buffer[loc]), &(Netgame.gamemode), 1); loc++;
245 memcpy(&(out_buffer[loc]), &(Netgame.RefusePlayers), 1); loc++;
246 memcpy(&(out_buffer[loc]), &(Netgame.difficulty), 1); loc++;
247 memcpy(&(out_buffer[loc]), &(Netgame.game_status), 1); loc++;
248 memcpy(&(out_buffer[loc]), &(Netgame.numplayers), 1); loc++;
249 memcpy(&(out_buffer[loc]), &(Netgame.max_numplayers), 1); loc++;
250 memcpy(&(out_buffer[loc]), &(Netgame.numconnected), 1); loc++;
251 memcpy(&(out_buffer[loc]), &(Netgame.game_flags), 1); loc++;
252 memcpy(&(out_buffer[loc]), &(Netgame.protocol_version), 1); loc++;
253 memcpy(&(out_buffer[loc]), &(Netgame.version_major), 1); loc++;
254 memcpy(&(out_buffer[loc]), &(Netgame.version_minor), 1); loc++;
255 memcpy(&(out_buffer[loc]), &(Netgame.team_vector), 1); loc++;
260 // will this work -- damn bitfields -- totally bogus when trying to do
261 // this type of stuff
262 // Watcom makes bitfields from left to right. CW7 on the mac goes
263 // from right to left. then they are endian swapped
265 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
266 tmps = INTEL_SHORT(tmps);
267 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
269 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
270 tmps = INTEL_SHORT(tmps);
271 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
273 #if 0 // removed since I reordered bitfields on mac
274 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
276 for (i = 15; i >= 0; i--) {
278 tmps |= (1 << (15 - i));
280 tmps = INTEL_SHORT(tmps);
281 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
282 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
284 for (i = 15; i >= 0; i--) {
286 tmps |= (1 << (15 - i));
288 tmps = INTEL_SHORT(tmps);
289 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
292 memcpy(&(out_buffer[loc]), Netgame.team_name, 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
293 for (i = 0; i < MAX_PLAYERS; i++) {
294 tmpi = INTEL_INT(Netgame.locations[i]);
295 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP HERE!!!
298 for (i = 0; i < MAX_PLAYERS; i++) {
299 for (j = 0; j < MAX_PLAYERS; j++) {
300 tmps = INTEL_SHORT(Netgame.kills[i][j]);
301 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
305 tmps = INTEL_SHORT(Netgame.segments_checksum);
306 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
307 tmps = INTEL_SHORT(Netgame.team_kills[0]);
308 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
309 tmps = INTEL_SHORT(Netgame.team_kills[1]);
310 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
311 for (i = 0; i < MAX_PLAYERS; i++) {
312 tmps = INTEL_SHORT(Netgame.killed[i]);
313 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
315 for (i = 0; i < MAX_PLAYERS; i++) {
316 tmps = INTEL_SHORT(Netgame.player_kills[i]);
317 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
320 tmpi = INTEL_INT(Netgame.KillGoal);
321 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
322 tmpi = INTEL_INT(Netgame.PlayTimeAllowed);
323 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
324 tmpi = INTEL_INT(Netgame.level_time);
325 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
326 tmpi = INTEL_INT(Netgame.control_invul_time);
327 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
328 tmpi = INTEL_INT(Netgame.monitor_vector);
329 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
330 for (i = 0; i < MAX_PLAYERS; i++) {
331 tmpi = INTEL_INT(Netgame.player_score[i]);
332 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
334 for (i = 0; i < MAX_PLAYERS; i++) {
335 memcpy(&(out_buffer[loc]), &(Netgame.player_flags[i]), 1); loc++;
337 tmps = INTEL_SHORT(Netgame.PacketsPerSec);
338 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
339 memcpy(&(out_buffer[loc]), &(Netgame.ShortPackets), 1); loc ++;
342 if (net_address != NULL)
343 ipx_send_packet_data((unsigned char *)out_buffer, loc, server, node, net_address);
344 else if ((server == NULL) && (node == NULL))
345 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
347 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
350 void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag)
354 short bitfield; // new_field;
356 memcpy(&(netgame->type), &(data[loc]), 1); loc++;
357 memcpy(&(netgame->Security), &(data[loc]), 4); loc += 4;
358 netgame->Security = INTEL_INT(netgame->Security);
359 memcpy(netgame->game_name, &(data[loc]), NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
360 memcpy(netgame->mission_title, &(data[loc]), MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
361 memcpy(netgame->mission_name, &(data[loc]), 9); loc += 9;
362 memcpy(&(netgame->levelnum), &(data[loc]), 4); loc += 4;
363 netgame->levelnum = INTEL_INT(netgame->levelnum);
364 memcpy(&(netgame->gamemode), &(data[loc]), 1); loc++;
365 memcpy(&(netgame->RefusePlayers), &(data[loc]), 1); loc++;
366 memcpy(&(netgame->difficulty), &(data[loc]), 1); loc++;
367 memcpy(&(netgame->game_status), &(data[loc]), 1); loc++;
368 memcpy(&(netgame->numplayers), &(data[loc]), 1); loc++;
369 memcpy(&(netgame->max_numplayers), &(data[loc]), 1); loc++;
370 memcpy(&(netgame->numconnected), &(data[loc]), 1); loc++;
371 memcpy(&(netgame->game_flags), &(data[loc]), 1); loc++;
372 memcpy(&(netgame->protocol_version), &(data[loc]), 1); loc++;
373 memcpy(&(netgame->version_major), &(data[loc]), 1); loc++;
374 memcpy(&(netgame->version_minor), &(data[loc]), 1); loc++;
375 memcpy(&(netgame->team_vector), &(data[loc]), 1); loc++;
380 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
381 bitfield = INTEL_SHORT(bitfield);
382 memcpy(((ubyte *)(&netgame->team_vector) + 1), &bitfield, 2);
384 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
385 bitfield = INTEL_SHORT(bitfield);
386 memcpy(((ubyte *)(&netgame->team_vector) + 3), &bitfield, 2);
388 #if 0 // not used since reordering mac bitfields
389 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
391 for (i = 15; i >= 0; i--) {
392 if (bitfield & (1 << i))
393 new_field |= (1 << (15 - i));
395 new_field = INTEL_SHORT(new_field);
396 memcpy(((ubyte *)(&netgame->team_vector) + 1), &new_field, 2);
398 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
400 for (i = 15; i >= 0; i--) {
401 if (bitfield & (1 << i))
402 new_field |= (1 << (15 - i));
404 new_field = INTEL_SHORT(new_field);
405 memcpy(((ubyte *)(&netgame->team_vector) + 3), &new_field, 2);
408 memcpy(netgame->team_name, &(data[loc]), 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
409 for (i = 0; i < MAX_PLAYERS; i++) {
410 memcpy(&(netgame->locations[i]), &(data[loc]), 4); loc += 4;
411 netgame->locations[i] = INTEL_INT(netgame->locations[i]);
414 for (i = 0; i < MAX_PLAYERS; i++) {
415 for (j = 0; j < MAX_PLAYERS; j++) {
416 memcpy(&(netgame->kills[i][j]), &(data[loc]), 2); loc += 2;
417 netgame->kills[i][j] = INTEL_SHORT(netgame->kills[i][j]);
421 memcpy(&(netgame->segments_checksum), &(data[loc]), 2); loc += 2;
422 netgame->segments_checksum = INTEL_SHORT(netgame->segments_checksum);
423 memcpy(&(netgame->team_kills[0]), &(data[loc]), 2); loc += 2;
424 netgame->team_kills[0] = INTEL_SHORT(netgame->team_kills[0]);
425 memcpy(&(netgame->team_kills[1]), &(data[loc]), 2); loc += 2;
426 netgame->team_kills[1] = INTEL_SHORT(netgame->team_kills[1]);
427 for (i = 0; i < MAX_PLAYERS; i++) {
428 memcpy(&(netgame->killed[i]), &(data[loc]), 2); loc += 2;
429 netgame->killed[i] = INTEL_SHORT(netgame->killed[i]);
431 for (i = 0; i < MAX_PLAYERS; i++) {
432 memcpy(&(netgame->player_kills[i]), &(data[loc]), 2); loc += 2;
433 netgame->player_kills[i] = INTEL_SHORT(netgame->player_kills[i]);
435 memcpy(&(netgame->KillGoal), &(data[loc]), 4); loc += 4;
436 netgame->KillGoal = INTEL_INT(netgame->KillGoal);
437 memcpy(&(netgame->PlayTimeAllowed), &(data[loc]), 4); loc += 4;
438 netgame->PlayTimeAllowed = INTEL_INT(netgame->PlayTimeAllowed);
440 memcpy(&(netgame->level_time), &(data[loc]), 4); loc += 4;
441 netgame->level_time = INTEL_INT(netgame->level_time);
442 memcpy(&(netgame->control_invul_time), &(data[loc]), 4); loc += 4;
443 netgame->control_invul_time = INTEL_INT(netgame->control_invul_time);
444 memcpy(&(netgame->monitor_vector), &(data[loc]), 4); loc += 4;
445 netgame->monitor_vector = INTEL_INT(netgame->monitor_vector);
446 for (i = 0; i < MAX_PLAYERS; i++) {
447 memcpy(&(netgame->player_score[i]), &(data[loc]), 4); loc += 4;
448 netgame->player_score[i] = INTEL_INT(netgame->player_score[i]);
450 for (i = 0; i < MAX_PLAYERS; i++) {
451 memcpy(&(netgame->player_flags[i]), &(data[loc]), 1); loc++;
453 memcpy(&(netgame->PacketsPerSec), &(data[loc]), 2); loc += 2;
454 netgame->PacketsPerSec = INTEL_SHORT(netgame->PacketsPerSec);
455 memcpy(&(netgame->ShortPackets), &(data[loc]), 1); loc ++;
459 void swap_object(object *obj)
461 // swap the short and int entries for this object
462 obj->signature = INTEL_INT(obj->signature);
463 obj->next = INTEL_SHORT(obj->next);
464 obj->prev = INTEL_SHORT(obj->prev);
465 obj->segnum = INTEL_SHORT(obj->segnum);
466 obj->pos.x = INTEL_INT(obj->pos.x);
467 obj->pos.y = INTEL_INT(obj->pos.y);
468 obj->pos.z = INTEL_INT(obj->pos.z);
470 obj->orient.rvec.x = INTEL_INT(obj->orient.rvec.x);
471 obj->orient.rvec.y = INTEL_INT(obj->orient.rvec.y);
472 obj->orient.rvec.z = INTEL_INT(obj->orient.rvec.z);
473 obj->orient.fvec.x = INTEL_INT(obj->orient.fvec.x);
474 obj->orient.fvec.y = INTEL_INT(obj->orient.fvec.y);
475 obj->orient.fvec.z = INTEL_INT(obj->orient.fvec.z);
476 obj->orient.uvec.x = INTEL_INT(obj->orient.uvec.x);
477 obj->orient.uvec.y = INTEL_INT(obj->orient.uvec.y);
478 obj->orient.uvec.z = INTEL_INT(obj->orient.uvec.z);
480 obj->size = INTEL_INT(obj->size);
481 obj->shields = INTEL_INT(obj->shields);
483 obj->last_pos.x = INTEL_INT(obj->last_pos.x);
484 obj->last_pos.y = INTEL_INT(obj->last_pos.y);
485 obj->last_pos.z = INTEL_INT(obj->last_pos.z);
487 obj->lifeleft = INTEL_INT(obj->lifeleft);
489 switch (obj->movement_type) {
493 obj->mtype.phys_info.velocity.x = INTEL_INT(obj->mtype.phys_info.velocity.x);
494 obj->mtype.phys_info.velocity.y = INTEL_INT(obj->mtype.phys_info.velocity.y);
495 obj->mtype.phys_info.velocity.z = INTEL_INT(obj->mtype.phys_info.velocity.z);
497 obj->mtype.phys_info.thrust.x = INTEL_INT(obj->mtype.phys_info.thrust.x);
498 obj->mtype.phys_info.thrust.y = INTEL_INT(obj->mtype.phys_info.thrust.y);
499 obj->mtype.phys_info.thrust.z = INTEL_INT(obj->mtype.phys_info.thrust.z);
501 obj->mtype.phys_info.mass = INTEL_INT(obj->mtype.phys_info.mass);
502 obj->mtype.phys_info.drag = INTEL_INT(obj->mtype.phys_info.drag);
503 obj->mtype.phys_info.brakes = INTEL_INT(obj->mtype.phys_info.brakes);
505 obj->mtype.phys_info.rotvel.x = INTEL_INT(obj->mtype.phys_info.rotvel.x);
506 obj->mtype.phys_info.rotvel.y = INTEL_INT(obj->mtype.phys_info.rotvel.y);
507 obj->mtype.phys_info.rotvel.z = INTEL_INT(obj->mtype.phys_info.rotvel.z);
509 obj->mtype.phys_info.rotthrust.x = INTEL_INT(obj->mtype.phys_info.rotthrust.x);
510 obj->mtype.phys_info.rotthrust.y = INTEL_INT(obj->mtype.phys_info.rotthrust.y);
511 obj->mtype.phys_info.rotthrust.z = INTEL_INT(obj->mtype.phys_info.rotthrust.z);
513 obj->mtype.phys_info.turnroll = INTEL_INT(obj->mtype.phys_info.turnroll);
514 obj->mtype.phys_info.flags = INTEL_SHORT(obj->mtype.phys_info.flags);
520 obj->mtype.spin_rate.x = INTEL_INT(obj->mtype.spin_rate.x);
521 obj->mtype.spin_rate.y = INTEL_INT(obj->mtype.spin_rate.y);
522 obj->mtype.spin_rate.z = INTEL_INT(obj->mtype.spin_rate.z);
526 switch (obj->control_type) {
529 obj->ctype.laser_info.parent_type = INTEL_SHORT(obj->ctype.laser_info.parent_type);
530 obj->ctype.laser_info.parent_num = INTEL_SHORT(obj->ctype.laser_info.parent_num);
531 obj->ctype.laser_info.parent_signature = INTEL_INT(obj->ctype.laser_info.parent_signature);
532 obj->ctype.laser_info.creation_time = INTEL_INT(obj->ctype.laser_info.creation_time);
533 obj->ctype.laser_info.last_hitobj = INTEL_SHORT(obj->ctype.laser_info.last_hitobj);
534 obj->ctype.laser_info.track_goal = INTEL_SHORT(obj->ctype.laser_info.track_goal);
535 obj->ctype.laser_info.multiplier = INTEL_INT(obj->ctype.laser_info.multiplier);
539 obj->ctype.expl_info.spawn_time = INTEL_INT(obj->ctype.expl_info.spawn_time);
540 obj->ctype.expl_info.delete_time = INTEL_INT(obj->ctype.expl_info.delete_time);
541 obj->ctype.expl_info.delete_objnum = INTEL_SHORT(obj->ctype.expl_info.delete_objnum);
542 obj->ctype.expl_info.attach_parent = INTEL_SHORT(obj->ctype.expl_info.attach_parent);
543 obj->ctype.expl_info.prev_attach = INTEL_SHORT(obj->ctype.expl_info.prev_attach);
544 obj->ctype.expl_info.next_attach = INTEL_SHORT(obj->ctype.expl_info.next_attach);
548 obj->ctype.ai_info.hide_segment = INTEL_SHORT(obj->ctype.ai_info.hide_segment);
549 obj->ctype.ai_info.hide_index = INTEL_SHORT(obj->ctype.ai_info.hide_index);
550 obj->ctype.ai_info.path_length = INTEL_SHORT(obj->ctype.ai_info.path_length);
551 obj->ctype.ai_info.danger_laser_num = INTEL_SHORT(obj->ctype.ai_info.danger_laser_num);
552 obj->ctype.ai_info.danger_laser_signature = INTEL_INT(obj->ctype.ai_info.danger_laser_signature);
553 obj->ctype.ai_info.dying_start_time = INTEL_INT(obj->ctype.ai_info.dying_start_time);
557 obj->ctype.light_info.intensity = INTEL_INT(obj->ctype.light_info.intensity);
561 obj->ctype.powerup_info.count = INTEL_INT(obj->ctype.powerup_info.count);
562 obj->ctype.powerup_info.creation_time = INTEL_INT(obj->ctype.powerup_info.creation_time);
563 // Below commented out 5/2/96 by Matt. I asked Allender why it was
564 // here, and he didn't know, and it looks like it doesn't belong.
565 // if (obj->id == POW_VULCAN_WEAPON)
566 // obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
571 switch (obj->render_type) {
577 obj->rtype.pobj_info.model_num = INTEL_INT(obj->rtype.pobj_info.model_num);
579 for (i=0;i<MAX_SUBMODELS;i++) {
580 obj->rtype.pobj_info.anim_angles[i].p = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].p);
581 obj->rtype.pobj_info.anim_angles[i].b = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].b);
582 obj->rtype.pobj_info.anim_angles[i].h = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].h);
585 obj->rtype.pobj_info.subobj_flags = INTEL_INT(obj->rtype.pobj_info.subobj_flags);
586 obj->rtype.pobj_info.tmap_override = INTEL_INT(obj->rtype.pobj_info.tmap_override);
587 obj->rtype.pobj_info.alt_textures = INTEL_INT(obj->rtype.pobj_info.alt_textures);
591 case RT_WEAPON_VCLIP:
595 obj->rtype.vclip_info.vclip_num = INTEL_INT(obj->rtype.vclip_info.vclip_num);
596 obj->rtype.vclip_info.frametime = INTEL_INT(obj->rtype.vclip_info.frametime);
603 // END OF SWAPPING OBJECT STRUCTURE
607 #else /* !WORDS_BIGENDIAN */
610 // Calculates the checksum of a block of memory.
611 ushort netmisc_calc_checksum(void * vptr, int len)
613 ubyte *ptr = (ubyte *)vptr;
614 unsigned int sum1,sum2;
620 if (sum1 >= 255) sum1 -= 255;
625 return ((sum1<<8)+ sum2);
628 #endif /* WORDS_BIGENDIAN */
630 //--unused-- //Finds the difference between block1 and block2. Fills in diff_buffer and
631 //--unused-- //returns the size of diff_buffer.
632 //--unused-- int netmisc_find_diff(void *block1, void *block2, int block_size, void *diff_buffer)
634 //--unused-- int mode;
635 //--unused-- ushort *c1, *c2, *diff_start, *c3;
636 //--unused-- int i, j, size, diff, n , same;
638 //--unused-- size=(block_size+1)/sizeof(ushort);
639 //--unused-- c1 = (ushort *)block1;
640 //--unused-- c2 = (ushort *)block2;
641 //--unused-- c3 = (ushort *)diff_buffer;
643 //--unused-- mode = same = diff = n = 0;
645 //--unused-- //mprintf(0, "=================================\n");
647 //--unused-- for (i=0; i<size; i++, c1++, c2++) {
648 //--unused-- if (*c1 != *c2) {
649 //--unused-- if (mode==0) {
650 //--unused-- mode = 1;
651 //--unused-- //mprintf(0, "%ds ", same);
652 //--unused-- c3[n++] = same;
653 //--unused-- same=0; diff=0;
654 //--unused-- diff_start = c2;
656 //--unused-- *c1 = *c2;
658 //--unused-- if (diff==65535) {
659 //--unused-- mode = 0;
660 //--unused-- // send how many diff ones.
661 //--unused-- //mprintf(0, "%dd ", diff);
662 //--unused-- c3[n++]=diff;
663 //--unused-- // send all the diff ones.
664 //--unused-- for (j=0; j<diff; j++)
665 //--unused-- c3[n++] = diff_start[j];
666 //--unused-- same=0; diff=0;
667 //--unused-- diff_start = c2;
669 //--unused-- } else {
670 //--unused-- if (mode==1) {
672 //--unused-- // send how many diff ones.
673 //--unused-- //mprintf(0, "%dd ", diff);
674 //--unused-- c3[n++]=diff;
675 //--unused-- // send all the diff ones.
676 //--unused-- for (j=0; j<diff; j++)
677 //--unused-- c3[n++] = diff_start[j];
678 //--unused-- same=0; diff=0;
679 //--unused-- diff_start = c2;
682 //--unused-- if (same==65535) {
684 //--unused-- // send how many the same
685 //--unused-- //mprintf(0, "%ds ", same);
686 //--unused-- c3[n++] = same;
687 //--unused-- same=0; diff=0;
688 //--unused-- diff_start = c2;
693 //--unused-- if (mode==0) {
694 //--unused-- // send how many the same
695 //--unused-- //mprintf(0, "%ds ", same);
696 //--unused-- c3[n++] = same;
697 //--unused-- } else {
698 //--unused-- // send how many diff ones.
699 //--unused-- //mprintf(0, "%dd ", diff);
700 //--unused-- c3[n++]=diff;
701 //--unused-- // send all the diff ones.
702 //--unused-- for (j=0; j<diff; j++)
703 //--unused-- c3[n++] = diff_start[j];
706 //--unused-- //mprintf(0, "=================================\n");
708 //--unused-- return n*2;
711 //--unused-- //Applies diff_buffer to block1 to create a new block1. Returns the final
712 //--unused-- //size of block1.
713 //--unused-- int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size)
715 //--unused-- unsigned int i, j, n, size;
716 //--unused-- ushort *c1, *c2;
718 //--unused-- //mprintf(0, "=================================\n");
719 //--unused-- c1 = (ushort *)diff_buffer;
720 //--unused-- c2 = (ushort *)block1;
722 //--unused-- size = diff_size/2;
725 //--unused-- while (1) {
726 //--unused-- j += c1[i]; // Same
727 //--unused-- //mprintf(0, "%ds ", c1[i]);
729 //--unused-- if (i>=size) break;
730 //--unused-- n = c1[i]; // ndiff
731 //--unused-- //mprintf(0, "%dd ", c1[i]);
733 //--unused-- if (n>0) {
734 //--unused-- //Assert(n* < 256);
735 //--unused-- memcpy(&c2[j], &c1[i], n*2);
739 //--unused-- if (i>=size) break;
741 //--unused-- //mprintf(0, "=================================\n");
743 //--unused-- return j*2;