2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
16 * Misc routines for network.
31 #ifdef WORDS_BIGENDIAN
37 // routine to calculate the checksum of the segments. We add these specialized routines
38 // since the current way is byte order dependent.
40 void mac_do_checksum_calc(ubyte *b, int len, unsigned int *s1, unsigned int *s2)
45 if (*s1 >= 255) *s1 -= 255;
50 ushort mac_calc_segment_checksum()
53 unsigned int sum1,sum2;
58 for (i = 0; i < Highest_segment_index + 1; i++) {
59 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
60 mac_do_checksum_calc((unsigned char *)&(Segments[i].sides[j].type), 1, &sum1, &sum2);
61 mac_do_checksum_calc(&(Segments[i].sides[j].pad), 1, &sum1, &sum2);
62 s = INTEL_SHORT(Segments[i].sides[j].wall_num);
63 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
64 s = INTEL_SHORT(Segments[i].sides[j].tmap_num);
65 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
66 s = INTEL_SHORT(Segments[i].sides[j].tmap_num2);
67 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
68 for (k = 0; k < 4; k++) {
69 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].u));
70 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
71 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].v));
72 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
73 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].l));
74 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
76 for (k = 0; k < 2; k++) {
77 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].x));
78 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
79 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].y));
80 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
81 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].z));
82 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
85 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
86 s = INTEL_SHORT(Segments[i].children[j]);
87 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
89 for (j = 0; j < MAX_VERTICES_PER_SEGMENT; j++) {
90 s = INTEL_SHORT(Segments[i].verts[j]);
91 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
93 t = INTEL_INT(Segments[i].objects);
94 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
97 return ((sum1<<8)+ sum2);
100 // this routine totally and completely relies on the fact that the network
101 // checksum must be calculated on the segments!!!!!
103 ushort netmisc_calc_checksum(void * vptr, int len)
107 return mac_calc_segment_checksum();
110 // following are routine for macintosh only that will swap the elements of
111 // structures send through the networking code. The structures and
112 // this code must be kept in total sync
123 sbyte out_buffer[IPX_MAX_DATA_SIZE]; // used for tmp netgame packets as well as sending object data
125 void receive_netplayer_info(ubyte *data, netplayer_info *info)
129 memcpy(info->callsign, &(data[loc]), CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
130 memcpy(&(info->network.ipx.server), &(data[loc]), 4); loc += 4;
131 memcpy(&(info->network.ipx.node), &(data[loc]), 6); loc += 6;
132 info->version_major = data[loc]; loc++;
133 info->version_minor = data[loc]; loc++;
134 memcpy(&(info->computer_type), &(data[loc]), 1); loc++; // memcpy to avoid compile time warning about enum
135 info->connected = data[loc]; loc++;
136 memcpy(&(info->socket), &(data[loc]), 2); loc += 2;
137 memcpy (&(info->rank),&(data[loc]),1); loc++;
138 // MWA don't think we need to swap this because we need it in high
139 // order info->socket = INTEL_SHORT(info->socket);
142 void send_netplayers_packet(ubyte *server, ubyte *node)
148 memset(out_buffer, 0, sizeof(out_buffer));
149 out_buffer[0] = NetPlayers.type; loc++;
150 tmpi = INTEL_INT(NetPlayers.Security);
151 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
152 for (i = 0; i < MAX_PLAYERS+4; i++) {
153 memcpy(&(out_buffer[loc]), NetPlayers.players[i].callsign, CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
154 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.server, 4); loc += 4;
155 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.node, 6); loc += 6;
156 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_major), 1); loc++;
157 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_minor), 1); loc++;
158 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].computer_type), 1); loc++;
159 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].connected), 1); loc++;
160 tmps = INTEL_SHORT(NetPlayers.players[i].socket);
161 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
162 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].rank), 1); loc++;
165 if ((server == NULL) && (node == NULL))
166 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
168 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
172 void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo)
176 pinfo->type = data[loc]; loc++;
177 memcpy(&(pinfo->Security), &(data[loc]), 4); loc += 4;
178 pinfo->Security = INTEL_INT(pinfo->Security);
179 for (i = 0; i < MAX_PLAYERS+4; i++) {
180 receive_netplayer_info(&(data[loc]), &(pinfo->players[i]));
181 loc += 26; // sizeof(netplayer_info) on the PC
185 void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address)
191 memset(out_buffer, 0, sizeof(out_buffer));
192 out_buffer[0] = seq.type; loc++;
193 tmpi = INTEL_INT(seq.Security);
194 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; loc += 3;
195 memcpy(&(out_buffer[loc]), seq.player.callsign, CALLSIGN_LEN+1);loc += CALLSIGN_LEN+1;
196 memcpy(&(out_buffer[loc]), seq.player.network.ipx.server, 4); loc += 4;
197 memcpy(&(out_buffer[loc]), seq.player.network.ipx.node, 6); loc += 6;
198 out_buffer[loc] = seq.player.version_major; loc++;
199 out_buffer[loc] = seq.player.version_minor; loc++;
200 out_buffer[loc] = seq.player.computer_type; loc++;
201 out_buffer[loc] = seq.player.connected; loc++;
202 tmps = INTEL_SHORT(seq.player.socket);
203 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
204 out_buffer[loc]=seq.player.rank; loc++; // for pad byte
205 if (net_address != NULL)
206 ipx_send_packet_data((unsigned char *)out_buffer, loc, server, node, net_address);
207 else if ((server == NULL) && (node == NULL))
208 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
210 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
213 void receive_sequence_packet(ubyte *data, sequence_packet *seq)
217 seq->type = data[0]; loc++;
218 memcpy(&(seq->Security), &(data[loc]), 4); loc += 4; loc += 3; // +3 for pad byte
219 seq->Security = INTEL_INT(seq->Security);
220 receive_netplayer_info(&(data[loc]), &(seq->player));
223 void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag) // lite says shorter netgame packets
230 memset(out_buffer, 0, IPX_MAX_DATA_SIZE);
231 memcpy(&(out_buffer[loc]), &(Netgame.type), 1); loc++;
232 tmpi = INTEL_INT(Netgame.Security);
233 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
234 memcpy(&(out_buffer[loc]), Netgame.game_name, NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
235 memcpy(&(out_buffer[loc]), Netgame.mission_title, MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
236 memcpy(&(out_buffer[loc]), Netgame.mission_name, 9); loc += 9;
237 tmpi = INTEL_INT(Netgame.levelnum);
238 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
239 memcpy(&(out_buffer[loc]), &(Netgame.gamemode), 1); loc++;
240 memcpy(&(out_buffer[loc]), &(Netgame.RefusePlayers), 1); loc++;
241 memcpy(&(out_buffer[loc]), &(Netgame.difficulty), 1); loc++;
242 memcpy(&(out_buffer[loc]), &(Netgame.game_status), 1); loc++;
243 memcpy(&(out_buffer[loc]), &(Netgame.numplayers), 1); loc++;
244 memcpy(&(out_buffer[loc]), &(Netgame.max_numplayers), 1); loc++;
245 memcpy(&(out_buffer[loc]), &(Netgame.numconnected), 1); loc++;
246 memcpy(&(out_buffer[loc]), &(Netgame.game_flags), 1); loc++;
247 memcpy(&(out_buffer[loc]), &(Netgame.protocol_version), 1); loc++;
248 memcpy(&(out_buffer[loc]), &(Netgame.version_major), 1); loc++;
249 memcpy(&(out_buffer[loc]), &(Netgame.version_minor), 1); loc++;
250 memcpy(&(out_buffer[loc]), &(Netgame.team_vector), 1); loc++;
255 // will this work -- damn bitfields -- totally bogus when trying to do
256 // this type of stuff
257 // Watcom makes bitfields from left to right. CW7 on the mac goes
258 // from right to left. then they are endian swapped
260 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
261 tmps = INTEL_SHORT(tmps);
262 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
264 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
265 tmps = INTEL_SHORT(tmps);
266 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
268 #if 0 // removed since I reordered bitfields on mac
269 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
271 for (i = 15; i >= 0; i--) {
273 tmps |= (1 << (15 - i));
275 tmps = INTEL_SHORT(tmps);
276 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
277 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
279 for (i = 15; i >= 0; i--) {
281 tmps |= (1 << (15 - i));
283 tmps = INTEL_SHORT(tmps);
284 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
287 memcpy(&(out_buffer[loc]), Netgame.team_name, 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
288 for (i = 0; i < MAX_PLAYERS; i++) {
289 tmpi = INTEL_INT(Netgame.locations[i]);
290 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP HERE!!!
293 for (i = 0; i < MAX_PLAYERS; i++) {
294 for (j = 0; j < MAX_PLAYERS; j++) {
295 tmps = INTEL_SHORT(Netgame.kills[i][j]);
296 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
300 tmps = INTEL_SHORT(Netgame.segments_checksum);
301 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
302 tmps = INTEL_SHORT(Netgame.team_kills[0]);
303 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
304 tmps = INTEL_SHORT(Netgame.team_kills[1]);
305 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
306 for (i = 0; i < MAX_PLAYERS; i++) {
307 tmps = INTEL_SHORT(Netgame.killed[i]);
308 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
310 for (i = 0; i < MAX_PLAYERS; i++) {
311 tmps = INTEL_SHORT(Netgame.player_kills[i]);
312 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
315 tmpi = INTEL_INT(Netgame.KillGoal);
316 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
317 tmpi = INTEL_INT(Netgame.PlayTimeAllowed);
318 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
319 tmpi = INTEL_INT(Netgame.level_time);
320 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
321 tmpi = INTEL_INT(Netgame.control_invul_time);
322 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
323 tmpi = INTEL_INT(Netgame.monitor_vector);
324 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
325 for (i = 0; i < MAX_PLAYERS; i++) {
326 tmpi = INTEL_INT(Netgame.player_score[i]);
327 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
329 for (i = 0; i < MAX_PLAYERS; i++) {
330 memcpy(&(out_buffer[loc]), &(Netgame.player_flags[i]), 1); loc++;
332 tmps = INTEL_SHORT(Netgame.PacketsPerSec);
333 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
334 memcpy(&(out_buffer[loc]), &(Netgame.ShortPackets), 1); loc ++;
337 if (net_address != NULL)
338 ipx_send_packet_data((unsigned char *)out_buffer, loc, server, node, net_address);
339 else if ((server == NULL) && (node == NULL))
340 ipx_send_broadcast_packet_data((unsigned char *)out_buffer, loc);
342 ipx_send_internetwork_packet_data((unsigned char *)out_buffer, loc, server, node);
345 void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag)
349 short bitfield; // new_field;
351 memcpy(&(netgame->type), &(data[loc]), 1); loc++;
352 memcpy(&(netgame->Security), &(data[loc]), 4); loc += 4;
353 netgame->Security = INTEL_INT(netgame->Security);
354 memcpy(netgame->game_name, &(data[loc]), NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
355 memcpy(netgame->mission_title, &(data[loc]), MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
356 memcpy(netgame->mission_name, &(data[loc]), 9); loc += 9;
357 memcpy(&(netgame->levelnum), &(data[loc]), 4); loc += 4;
358 netgame->levelnum = INTEL_INT(netgame->levelnum);
359 memcpy(&(netgame->gamemode), &(data[loc]), 1); loc++;
360 memcpy(&(netgame->RefusePlayers), &(data[loc]), 1); loc++;
361 memcpy(&(netgame->difficulty), &(data[loc]), 1); loc++;
362 memcpy(&(netgame->game_status), &(data[loc]), 1); loc++;
363 memcpy(&(netgame->numplayers), &(data[loc]), 1); loc++;
364 memcpy(&(netgame->max_numplayers), &(data[loc]), 1); loc++;
365 memcpy(&(netgame->numconnected), &(data[loc]), 1); loc++;
366 memcpy(&(netgame->game_flags), &(data[loc]), 1); loc++;
367 memcpy(&(netgame->protocol_version), &(data[loc]), 1); loc++;
368 memcpy(&(netgame->version_major), &(data[loc]), 1); loc++;
369 memcpy(&(netgame->version_minor), &(data[loc]), 1); loc++;
370 memcpy(&(netgame->team_vector), &(data[loc]), 1); loc++;
375 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
376 bitfield = INTEL_SHORT(bitfield);
377 memcpy(((ubyte *)(&netgame->team_vector) + 1), &bitfield, 2);
379 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
380 bitfield = INTEL_SHORT(bitfield);
381 memcpy(((ubyte *)(&netgame->team_vector) + 3), &bitfield, 2);
383 #if 0 // not used since reordering mac bitfields
384 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
386 for (i = 15; i >= 0; i--) {
387 if (bitfield & (1 << i))
388 new_field |= (1 << (15 - i));
390 new_field = INTEL_SHORT(new_field);
391 memcpy(((ubyte *)(&netgame->team_vector) + 1), &new_field, 2);
393 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
395 for (i = 15; i >= 0; i--) {
396 if (bitfield & (1 << i))
397 new_field |= (1 << (15 - i));
399 new_field = INTEL_SHORT(new_field);
400 memcpy(((ubyte *)(&netgame->team_vector) + 3), &new_field, 2);
403 memcpy(netgame->team_name, &(data[loc]), 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
404 for (i = 0; i < MAX_PLAYERS; i++) {
405 memcpy(&(netgame->locations[i]), &(data[loc]), 4); loc += 4;
406 netgame->locations[i] = INTEL_INT(netgame->locations[i]);
409 for (i = 0; i < MAX_PLAYERS; i++) {
410 for (j = 0; j < MAX_PLAYERS; j++) {
411 memcpy(&(netgame->kills[i][j]), &(data[loc]), 2); loc += 2;
412 netgame->kills[i][j] = INTEL_SHORT(netgame->kills[i][j]);
416 memcpy(&(netgame->segments_checksum), &(data[loc]), 2); loc += 2;
417 netgame->segments_checksum = INTEL_SHORT(netgame->segments_checksum);
418 memcpy(&(netgame->team_kills[0]), &(data[loc]), 2); loc += 2;
419 netgame->team_kills[0] = INTEL_SHORT(netgame->team_kills[0]);
420 memcpy(&(netgame->team_kills[1]), &(data[loc]), 2); loc += 2;
421 netgame->team_kills[1] = INTEL_SHORT(netgame->team_kills[1]);
422 for (i = 0; i < MAX_PLAYERS; i++) {
423 memcpy(&(netgame->killed[i]), &(data[loc]), 2); loc += 2;
424 netgame->killed[i] = INTEL_SHORT(netgame->killed[i]);
426 for (i = 0; i < MAX_PLAYERS; i++) {
427 memcpy(&(netgame->player_kills[i]), &(data[loc]), 2); loc += 2;
428 netgame->player_kills[i] = INTEL_SHORT(netgame->player_kills[i]);
430 memcpy(&(netgame->KillGoal), &(data[loc]), 4); loc += 4;
431 netgame->KillGoal = INTEL_INT(netgame->KillGoal);
432 memcpy(&(netgame->PlayTimeAllowed), &(data[loc]), 4); loc += 4;
433 netgame->PlayTimeAllowed = INTEL_INT(netgame->PlayTimeAllowed);
435 memcpy(&(netgame->level_time), &(data[loc]), 4); loc += 4;
436 netgame->level_time = INTEL_INT(netgame->level_time);
437 memcpy(&(netgame->control_invul_time), &(data[loc]), 4); loc += 4;
438 netgame->control_invul_time = INTEL_INT(netgame->control_invul_time);
439 memcpy(&(netgame->monitor_vector), &(data[loc]), 4); loc += 4;
440 netgame->monitor_vector = INTEL_INT(netgame->monitor_vector);
441 for (i = 0; i < MAX_PLAYERS; i++) {
442 memcpy(&(netgame->player_score[i]), &(data[loc]), 4); loc += 4;
443 netgame->player_score[i] = INTEL_INT(netgame->player_score[i]);
445 for (i = 0; i < MAX_PLAYERS; i++) {
446 memcpy(&(netgame->player_flags[i]), &(data[loc]), 1); loc++;
448 memcpy(&(netgame->PacketsPerSec), &(data[loc]), 2); loc += 2;
449 netgame->PacketsPerSec = INTEL_SHORT(netgame->PacketsPerSec);
450 memcpy(&(netgame->ShortPackets), &(data[loc]), 1); loc ++;
454 void swap_object(object *obj)
456 // swap the short and int entries for this object
457 obj->signature = INTEL_INT(obj->signature);
458 obj->next = INTEL_SHORT(obj->next);
459 obj->prev = INTEL_SHORT(obj->prev);
460 obj->segnum = INTEL_SHORT(obj->segnum);
461 obj->pos.x = INTEL_INT(obj->pos.x);
462 obj->pos.y = INTEL_INT(obj->pos.y);
463 obj->pos.z = INTEL_INT(obj->pos.z);
465 obj->orient.rvec.x = INTEL_INT(obj->orient.rvec.x);
466 obj->orient.rvec.y = INTEL_INT(obj->orient.rvec.y);
467 obj->orient.rvec.z = INTEL_INT(obj->orient.rvec.z);
468 obj->orient.fvec.x = INTEL_INT(obj->orient.fvec.x);
469 obj->orient.fvec.y = INTEL_INT(obj->orient.fvec.y);
470 obj->orient.fvec.z = INTEL_INT(obj->orient.fvec.z);
471 obj->orient.uvec.x = INTEL_INT(obj->orient.uvec.x);
472 obj->orient.uvec.y = INTEL_INT(obj->orient.uvec.y);
473 obj->orient.uvec.z = INTEL_INT(obj->orient.uvec.z);
475 obj->size = INTEL_INT(obj->size);
476 obj->shields = INTEL_INT(obj->shields);
478 obj->last_pos.x = INTEL_INT(obj->last_pos.x);
479 obj->last_pos.y = INTEL_INT(obj->last_pos.y);
480 obj->last_pos.z = INTEL_INT(obj->last_pos.z);
482 obj->lifeleft = INTEL_INT(obj->lifeleft);
484 switch (obj->movement_type) {
488 obj->mtype.phys_info.velocity.x = INTEL_INT(obj->mtype.phys_info.velocity.x);
489 obj->mtype.phys_info.velocity.y = INTEL_INT(obj->mtype.phys_info.velocity.y);
490 obj->mtype.phys_info.velocity.z = INTEL_INT(obj->mtype.phys_info.velocity.z);
492 obj->mtype.phys_info.thrust.x = INTEL_INT(obj->mtype.phys_info.thrust.x);
493 obj->mtype.phys_info.thrust.y = INTEL_INT(obj->mtype.phys_info.thrust.y);
494 obj->mtype.phys_info.thrust.z = INTEL_INT(obj->mtype.phys_info.thrust.z);
496 obj->mtype.phys_info.mass = INTEL_INT(obj->mtype.phys_info.mass);
497 obj->mtype.phys_info.drag = INTEL_INT(obj->mtype.phys_info.drag);
498 obj->mtype.phys_info.brakes = INTEL_INT(obj->mtype.phys_info.brakes);
500 obj->mtype.phys_info.rotvel.x = INTEL_INT(obj->mtype.phys_info.rotvel.x);
501 obj->mtype.phys_info.rotvel.y = INTEL_INT(obj->mtype.phys_info.rotvel.y);
502 obj->mtype.phys_info.rotvel.z = INTEL_INT(obj->mtype.phys_info.rotvel.z);
504 obj->mtype.phys_info.rotthrust.x = INTEL_INT(obj->mtype.phys_info.rotthrust.x);
505 obj->mtype.phys_info.rotthrust.y = INTEL_INT(obj->mtype.phys_info.rotthrust.y);
506 obj->mtype.phys_info.rotthrust.z = INTEL_INT(obj->mtype.phys_info.rotthrust.z);
508 obj->mtype.phys_info.turnroll = INTEL_INT(obj->mtype.phys_info.turnroll);
509 obj->mtype.phys_info.flags = INTEL_SHORT(obj->mtype.phys_info.flags);
515 obj->mtype.spin_rate.x = INTEL_INT(obj->mtype.spin_rate.x);
516 obj->mtype.spin_rate.y = INTEL_INT(obj->mtype.spin_rate.y);
517 obj->mtype.spin_rate.z = INTEL_INT(obj->mtype.spin_rate.z);
521 switch (obj->control_type) {
524 obj->ctype.laser_info.parent_type = INTEL_SHORT(obj->ctype.laser_info.parent_type);
525 obj->ctype.laser_info.parent_num = INTEL_SHORT(obj->ctype.laser_info.parent_num);
526 obj->ctype.laser_info.parent_signature = INTEL_INT(obj->ctype.laser_info.parent_signature);
527 obj->ctype.laser_info.creation_time = INTEL_INT(obj->ctype.laser_info.creation_time);
528 obj->ctype.laser_info.last_hitobj = INTEL_SHORT(obj->ctype.laser_info.last_hitobj);
529 obj->ctype.laser_info.track_goal = INTEL_SHORT(obj->ctype.laser_info.track_goal);
530 obj->ctype.laser_info.multiplier = INTEL_INT(obj->ctype.laser_info.multiplier);
534 obj->ctype.expl_info.spawn_time = INTEL_INT(obj->ctype.expl_info.spawn_time);
535 obj->ctype.expl_info.delete_time = INTEL_INT(obj->ctype.expl_info.delete_time);
536 obj->ctype.expl_info.delete_objnum = INTEL_SHORT(obj->ctype.expl_info.delete_objnum);
537 obj->ctype.expl_info.attach_parent = INTEL_SHORT(obj->ctype.expl_info.attach_parent);
538 obj->ctype.expl_info.prev_attach = INTEL_SHORT(obj->ctype.expl_info.prev_attach);
539 obj->ctype.expl_info.next_attach = INTEL_SHORT(obj->ctype.expl_info.next_attach);
543 obj->ctype.ai_info.hide_segment = INTEL_SHORT(obj->ctype.ai_info.hide_segment);
544 obj->ctype.ai_info.hide_index = INTEL_SHORT(obj->ctype.ai_info.hide_index);
545 obj->ctype.ai_info.path_length = INTEL_SHORT(obj->ctype.ai_info.path_length);
546 obj->ctype.ai_info.danger_laser_num = INTEL_SHORT(obj->ctype.ai_info.danger_laser_num);
547 obj->ctype.ai_info.danger_laser_signature = INTEL_INT(obj->ctype.ai_info.danger_laser_signature);
548 obj->ctype.ai_info.dying_start_time = INTEL_INT(obj->ctype.ai_info.dying_start_time);
552 obj->ctype.light_info.intensity = INTEL_INT(obj->ctype.light_info.intensity);
556 obj->ctype.powerup_info.count = INTEL_INT(obj->ctype.powerup_info.count);
557 obj->ctype.powerup_info.creation_time = INTEL_INT(obj->ctype.powerup_info.creation_time);
558 // Below commented out 5/2/96 by Matt. I asked Allender why it was
559 // here, and he didn't know, and it looks like it doesn't belong.
560 // if (obj->id == POW_VULCAN_WEAPON)
561 // obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
566 switch (obj->render_type) {
572 obj->rtype.pobj_info.model_num = INTEL_INT(obj->rtype.pobj_info.model_num);
574 for (i=0;i<MAX_SUBMODELS;i++) {
575 obj->rtype.pobj_info.anim_angles[i].p = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].p);
576 obj->rtype.pobj_info.anim_angles[i].b = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].b);
577 obj->rtype.pobj_info.anim_angles[i].h = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].h);
580 obj->rtype.pobj_info.subobj_flags = INTEL_INT(obj->rtype.pobj_info.subobj_flags);
581 obj->rtype.pobj_info.tmap_override = INTEL_INT(obj->rtype.pobj_info.tmap_override);
582 obj->rtype.pobj_info.alt_textures = INTEL_INT(obj->rtype.pobj_info.alt_textures);
586 case RT_WEAPON_VCLIP:
590 obj->rtype.vclip_info.vclip_num = INTEL_INT(obj->rtype.vclip_info.vclip_num);
591 obj->rtype.vclip_info.frametime = INTEL_INT(obj->rtype.vclip_info.frametime);
598 // END OF SWAPPING OBJECT STRUCTURE
602 #else /* !WORDS_BIGENDIAN */
605 // Calculates the checksum of a block of memory.
606 ushort netmisc_calc_checksum(void * vptr, int len)
608 ubyte *ptr = (ubyte *)vptr;
609 unsigned int sum1,sum2;
615 if (sum1 >= 255) sum1 -= 255;
620 return ((sum1<<8)+ sum2);
623 #endif /* WORDS_BIGENDIAN */
625 //--unused-- //Finds the difference between block1 and block2. Fills in diff_buffer and
626 //--unused-- //returns the size of diff_buffer.
627 //--unused-- int netmisc_find_diff(void *block1, void *block2, int block_size, void *diff_buffer)
629 //--unused-- int mode;
630 //--unused-- ushort *c1, *c2, *diff_start, *c3;
631 //--unused-- int i, j, size, diff, n , same;
633 //--unused-- size=(block_size+1)/sizeof(ushort);
634 //--unused-- c1 = (ushort *)block1;
635 //--unused-- c2 = (ushort *)block2;
636 //--unused-- c3 = (ushort *)diff_buffer;
638 //--unused-- mode = same = diff = n = 0;
640 //--unused-- //mprintf(0, "=================================\n");
642 //--unused-- for (i=0; i<size; i++, c1++, c2++) {
643 //--unused-- if (*c1 != *c2) {
644 //--unused-- if (mode==0) {
645 //--unused-- mode = 1;
646 //--unused-- //mprintf(0, "%ds ", same);
647 //--unused-- c3[n++] = same;
648 //--unused-- same=0; diff=0;
649 //--unused-- diff_start = c2;
651 //--unused-- *c1 = *c2;
653 //--unused-- if (diff==65535) {
654 //--unused-- mode = 0;
655 //--unused-- // send how many diff ones.
656 //--unused-- //mprintf(0, "%dd ", diff);
657 //--unused-- c3[n++]=diff;
658 //--unused-- // send all the diff ones.
659 //--unused-- for (j=0; j<diff; j++)
660 //--unused-- c3[n++] = diff_start[j];
661 //--unused-- same=0; diff=0;
662 //--unused-- diff_start = c2;
664 //--unused-- } else {
665 //--unused-- if (mode==1) {
667 //--unused-- // send how many diff ones.
668 //--unused-- //mprintf(0, "%dd ", diff);
669 //--unused-- c3[n++]=diff;
670 //--unused-- // send all the diff ones.
671 //--unused-- for (j=0; j<diff; j++)
672 //--unused-- c3[n++] = diff_start[j];
673 //--unused-- same=0; diff=0;
674 //--unused-- diff_start = c2;
677 //--unused-- if (same==65535) {
679 //--unused-- // send how many the same
680 //--unused-- //mprintf(0, "%ds ", same);
681 //--unused-- c3[n++] = same;
682 //--unused-- same=0; diff=0;
683 //--unused-- diff_start = c2;
688 //--unused-- if (mode==0) {
689 //--unused-- // send how many the same
690 //--unused-- //mprintf(0, "%ds ", same);
691 //--unused-- c3[n++] = same;
692 //--unused-- } else {
693 //--unused-- // send how many diff ones.
694 //--unused-- //mprintf(0, "%dd ", diff);
695 //--unused-- c3[n++]=diff;
696 //--unused-- // send all the diff ones.
697 //--unused-- for (j=0; j<diff; j++)
698 //--unused-- c3[n++] = diff_start[j];
701 //--unused-- //mprintf(0, "=================================\n");
703 //--unused-- return n*2;
706 //--unused-- //Applies diff_buffer to block1 to create a new block1. Returns the final
707 //--unused-- //size of block1.
708 //--unused-- int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size)
710 //--unused-- unsigned int i, j, n, size;
711 //--unused-- ushort *c1, *c2;
713 //--unused-- //mprintf(0, "=================================\n");
714 //--unused-- c1 = (ushort *)diff_buffer;
715 //--unused-- c2 = (ushort *)block1;
717 //--unused-- size = diff_size/2;
720 //--unused-- while (1) {
721 //--unused-- j += c1[i]; // Same
722 //--unused-- //mprintf(0, "%ds ", c1[i]);
724 //--unused-- if (i>=size) break;
725 //--unused-- n = c1[i]; // ndiff
726 //--unused-- //mprintf(0, "%dd ", c1[i]);
728 //--unused-- if (n>0) {
729 //--unused-- //Assert(n* < 256);
730 //--unused-- memcpy(&c2[j], &c1[i], n*2);
734 //--unused-- if (i>=size) break;
736 //--unused-- //mprintf(0, "=================================\n");
738 //--unused-- return j*2;