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.
19 static char rcsid[] = "$Id: netmisc.c,v 1.3 2001-10-25 02:15:57 bradleyb Exp $";
35 // routine to calculate the checksum of the segments. We add these specialized routines
36 // since the current way is byte order dependent.
38 void mac_do_checksum_calc(ubyte *b, int len, unsigned int *s1, unsigned int *s2)
43 if (*s1 >= 255 ) *s1 -= 255;
48 ushort mac_calc_segment_checksum()
51 unsigned int sum1,sum2;
56 for (i = 0; i < Highest_segment_index + 1; i++) {
57 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
58 mac_do_checksum_calc(&(Segments[i].sides[j].type), 1, &sum1, &sum2);
59 mac_do_checksum_calc(&(Segments[i].sides[j].pad), 1, &sum1, &sum2);
60 s = INTEL_SHORT(Segments[i].sides[j].wall_num);
61 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
62 s = INTEL_SHORT(Segments[i].sides[j].tmap_num);
63 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
64 s = INTEL_SHORT(Segments[i].sides[j].tmap_num2);
65 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
66 for (k = 0; k < 4; k++) {
67 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].u));
68 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
69 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].v));
70 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
71 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].l));
72 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
74 for (k = 0; k < 2; k++) {
75 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].x));
76 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
77 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].y));
78 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
79 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].z));
80 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
83 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
84 s = INTEL_SHORT(Segments[i].children[j]);
85 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
87 for (j = 0; j < MAX_VERTICES_PER_SEGMENT; j++) {
88 s = INTEL_SHORT(Segments[i].verts[j]);
89 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
91 t = INTEL_INT(Segments[i].objects);
92 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
95 return ((sum1<<8)+ sum2);
98 // this routine totally and completely relies on the fact that the network
99 // checksum must be calculated on the segments!!!!!
101 ushort netmisc_calc_checksum( void * vptr, int len )
105 return mac_calc_segment_checksum();
108 // Calculates the checksum of a block of memory.
109 ushort netmisc_calc_checksum_pc( void * vptr, int len )
111 ubyte * ptr = (ubyte *)vptr;
112 unsigned int sum1,sum2;
118 if (sum1 >= 255 ) sum1 -= 255;
123 return ((sum1<<8)+ sum2);
126 // following are routine for macintosh only that will swap the elements of
127 // structures send through the networking code. The structures and
128 // this code must be kept in total sync
131 #include "byteswap.h"
140 byte out_buffer[IPX_MAX_DATA_SIZE]; // used for tmp netgame packets as well as sending object data
142 void receive_netplayer_info(ubyte *data, netplayer_info *info)
146 memcpy(info->callsign, &(data[loc]), CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
147 memcpy(&(info->network.ipx.server), &(data[loc]), 4); loc += 4;
148 memcpy(&(info->network.ipx.node), &(data[loc]), 6); loc += 6;
149 info->version_major = data[loc]; loc++;
150 info->version_minor = data[loc]; loc++;
151 memcpy(&(info->computer_type), &(data[loc]), 1); loc++; // memcpy to avoid compile time warning about enum
152 info->connected = data[loc]; loc++;
153 memcpy(&(info->socket), &(data[loc]), 2); loc += 2;
154 memcpy (&(info->rank),&(data[loc]),1); loc++;
155 //MWA don't think we need to swap this because we need it in high order info->socket = swapshort(info->socket);
158 void send_netplayers_packet(ubyte *server, ubyte *node)
164 memset(out_buffer, 0, sizeof(out_buffer));
165 out_buffer[0] = NetPlayers.type; loc++;
166 tmpi = INTEL_INT(NetPlayers.Security);
167 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
168 for (i = 0; i < MAX_PLAYERS+4; i++) {
169 memcpy(&(out_buffer[loc]), NetPlayers.players[i].callsign, CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
170 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.server, 4); loc += 4;
171 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.node, 6); loc += 6;
172 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_major), 1); loc++;
173 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_minor), 1); loc++;
174 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].computer_type), 1); loc++;
175 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].connected), 1); loc++;
176 tmps = INTEL_SHORT(NetPlayers.players[i].socket);
177 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
178 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].rank), 1); loc++;
181 if ((server == NULL) && (node == NULL))
182 ipx_send_broadcast_packet_data( out_buffer, loc );
184 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
188 void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo)
192 pinfo->type = data[loc]; loc++;
193 memcpy(&(pinfo->Security), &(data[loc]), 4); loc += 4;
194 pinfo->Security = INTEL_INT(pinfo->Security);
195 for (i = 0; i < MAX_PLAYERS+4; i++) {
196 receive_netplayer_info(&(data[loc]), &(pinfo->players[i]));
197 loc += 26; // sizeof(netplayer_info) on the PC
201 void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address)
207 memset(out_buffer, 0, sizeof(out_buffer));
208 out_buffer[0] = seq.type; loc++;
209 tmpi = INTEL_INT(seq.Security);
210 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; loc += 3;
211 memcpy(&(out_buffer[loc]), seq.player.callsign, CALLSIGN_LEN+1);loc += CALLSIGN_LEN+1;
212 memcpy(&(out_buffer[loc]), seq.player.network.ipx.server, 4); loc += 4;
213 memcpy(&(out_buffer[loc]), seq.player.network.ipx.node, 6); loc += 6;
214 out_buffer[loc] = seq.player.version_major; loc++;
215 out_buffer[loc] = seq.player.version_minor; loc++;
216 out_buffer[loc] = seq.player.computer_type; loc++;
217 out_buffer[loc] = seq.player.connected; loc++;
218 tmps = swapshort(seq.player.socket);
219 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
220 out_buffer[loc]=seq.player.rank; loc++; // for pad byte
221 if (net_address != NULL)
222 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
223 else if ((server == NULL) && (node == NULL))
224 ipx_send_broadcast_packet_data( out_buffer, loc );
226 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
229 void receive_sequence_packet(ubyte *data, sequence_packet *seq)
233 seq->type = data[0]; loc++;
234 memcpy(&(seq->Security), &(data[loc]), 4); loc += 4; loc += 3; // +3 for pad byte
235 seq->Security = INTEL_INT(seq->Security);
236 receive_netplayer_info(&(data[loc]), &(seq->player));
239 void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag) // lite says shorter netgame packets
246 memset(out_buffer, 0, IPX_MAX_DATA_SIZE);
247 memcpy(&(out_buffer[loc]), &(Netgame.type), 1); loc++;
248 tmpi = INTEL_INT(Netgame.Security);
249 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
250 memcpy(&(out_buffer[loc]), Netgame.game_name, NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
251 memcpy(&(out_buffer[loc]), Netgame.mission_title, MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
252 memcpy(&(out_buffer[loc]), Netgame.mission_name, 9); loc += 9;
253 tmpi = INTEL_INT(Netgame.levelnum);
254 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
255 memcpy(&(out_buffer[loc]), &(Netgame.gamemode), 1); loc++;
256 memcpy(&(out_buffer[loc]), &(Netgame.RefusePlayers), 1); loc++;
257 memcpy(&(out_buffer[loc]), &(Netgame.difficulty), 1); loc++;
258 memcpy(&(out_buffer[loc]), &(Netgame.game_status), 1); loc++;
259 memcpy(&(out_buffer[loc]), &(Netgame.numplayers), 1); loc++;
260 memcpy(&(out_buffer[loc]), &(Netgame.max_numplayers), 1); loc++;
261 memcpy(&(out_buffer[loc]), &(Netgame.numconnected), 1); loc++;
262 memcpy(&(out_buffer[loc]), &(Netgame.game_flags), 1); loc++;
263 memcpy(&(out_buffer[loc]), &(Netgame.protocol_version), 1); loc++;
264 memcpy(&(out_buffer[loc]), &(Netgame.version_major), 1); loc++;
265 memcpy(&(out_buffer[loc]), &(Netgame.version_minor), 1); loc++;
266 memcpy(&(out_buffer[loc]), &(Netgame.team_vector), 1); loc++;
271 // will this work -- damn bitfields -- totally bogus when trying to do this type of stuff
272 // Watcom makes bitfields from left to right. CW7 on the mac goes from right to left.
273 // then they are endian swapped
275 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
276 tmps = INTEL_SHORT(tmps);
277 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
279 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
280 tmps = INTEL_SHORT(tmps);
281 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
283 #if 0 // removed since I reordered bitfields on mac
284 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
286 for (i = 15; i >= 0; i--) {
288 tmps |= (1 << (15 - i));
290 tmps = INTEL_SHORT(tmps);
291 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
292 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
294 for (i = 15; i >= 0; i--) {
296 tmps |= (1 << (15 - i));
298 tmps = INTEL_SHORT(tmps);
299 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
302 memcpy(&(out_buffer[loc]), Netgame.team_name, 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
303 for (i = 0; i < MAX_PLAYERS; i++) {
304 tmpi = INTEL_INT(Netgame.locations[i]);
305 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP HERE!!!
308 for (i = 0; i < MAX_PLAYERS; i++) {
309 for (j = 0; j < MAX_PLAYERS; j++) {
310 tmps = INTEL_SHORT(Netgame.kills[i][j]);
311 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
315 tmps = INTEL_SHORT(Netgame.segments_checksum);
316 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
317 tmps = INTEL_SHORT(Netgame.team_kills[0]);
318 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
319 tmps = INTEL_SHORT(Netgame.team_kills[1]);
320 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
321 for (i = 0; i < MAX_PLAYERS; i++) {
322 tmps = INTEL_SHORT(Netgame.killed[i]);
323 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
325 for (i = 0; i < MAX_PLAYERS; i++) {
326 tmps = INTEL_SHORT(Netgame.player_kills[i]);
327 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
330 tmpi = INTEL_INT(Netgame.KillGoal);
331 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
332 tmpi = INTEL_INT(Netgame.PlayTimeAllowed);
333 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
334 tmpi = INTEL_INT(Netgame.level_time);
335 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
336 tmpi = INTEL_INT(Netgame.control_invul_time);
337 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
338 tmpi = INTEL_INT(Netgame.monitor_vector);
339 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
340 for (i = 0; i < MAX_PLAYERS; i++) {
341 tmpi = INTEL_INT(Netgame.player_score[i]);
342 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
344 for (i = 0; i < MAX_PLAYERS; i++) {
345 memcpy(&(out_buffer[loc]), &(Netgame.player_flags[i]), 1); loc++;
347 tmps = INTEL_SHORT(Netgame.PacketsPerSec);
348 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
349 memcpy(&(out_buffer[loc]), &(Netgame.ShortPackets), 1); loc ++;
352 if (net_address != NULL)
353 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
354 else if ((server == NULL) && (node == NULL))
355 ipx_send_broadcast_packet_data( out_buffer, loc );
357 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
360 void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag)
364 short bitfield, new_field;
366 memcpy(&(netgame->type), &(data[loc]), 1); loc++;
367 memcpy(&(netgame->Security), &(data[loc]), 4); loc += 4;
368 netgame->Security = INTEL_INT(netgame->Security);
369 memcpy(netgame->game_name, &(data[loc]), NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
370 memcpy(netgame->mission_title, &(data[loc]), MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
371 memcpy(netgame->mission_name, &(data[loc]), 9); loc += 9;
372 memcpy(&(netgame->levelnum), &(data[loc]), 4); loc += 4;
373 netgame->levelnum = INTEL_INT(netgame->levelnum);
374 memcpy(&(netgame->gamemode), &(data[loc]), 1); loc++;
375 memcpy(&(netgame->RefusePlayers), &(data[loc]), 1); loc++;
376 memcpy(&(netgame->difficulty), &(data[loc]), 1); loc++;
377 memcpy(&(netgame->game_status), &(data[loc]), 1); loc++;
378 memcpy(&(netgame->numplayers), &(data[loc]), 1); loc++;
379 memcpy(&(netgame->max_numplayers), &(data[loc]), 1); loc++;
380 memcpy(&(netgame->numconnected), &(data[loc]), 1); loc++;
381 memcpy(&(netgame->game_flags), &(data[loc]), 1); loc++;
382 memcpy(&(netgame->protocol_version), &(data[loc]), 1); loc++;
383 memcpy(&(netgame->version_major), &(data[loc]), 1); loc++;
384 memcpy(&(netgame->version_minor), &(data[loc]), 1); loc++;
385 memcpy(&(netgame->team_vector), &(data[loc]), 1); loc++;
390 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
391 bitfield = INTEL_SHORT(bitfield);
392 memcpy(((ubyte *)(&netgame->team_vector) + 1), &bitfield, 2);
394 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
395 bitfield = INTEL_SHORT(bitfield);
396 memcpy(((ubyte *)(&netgame->team_vector) + 3), &bitfield, 2);
398 #if 0 // not used since reordering mac bitfields
399 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
401 for (i = 15; i >= 0; i--) {
402 if ( bitfield & (1 << i) )
403 new_field |= (1 << (15 - i));
405 new_field = INTEL_SHORT(new_field);
406 memcpy(((ubyte *)(&netgame->team_vector) + 1), &new_field, 2);
408 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
410 for (i = 15; i >= 0; i--) {
411 if ( bitfield & (1 << i) )
412 new_field |= (1 << (15 - i));
414 new_field = INTEL_SHORT(new_field);
415 memcpy(((ubyte *)(&netgame->team_vector) + 3), &new_field, 2);
418 memcpy(netgame->team_name, &(data[loc]), 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
419 for (i = 0; i < MAX_PLAYERS; i++) {
420 memcpy(&(netgame->locations[i]), &(data[loc]), 4); loc += 4;
421 netgame->locations[i] = INTEL_INT(netgame->locations[i]);
424 for (i = 0; i < MAX_PLAYERS; i++) {
425 for (j = 0; j < MAX_PLAYERS; j++) {
426 memcpy(&(netgame->kills[i][j]), &(data[loc]), 2); loc += 2;
427 netgame->kills[i][j] = INTEL_SHORT(netgame->kills[i][j]);
431 memcpy(&(netgame->segments_checksum), &(data[loc]), 2); loc += 2;
432 netgame->segments_checksum = INTEL_SHORT(netgame->segments_checksum);
433 memcpy(&(netgame->team_kills[0]), &(data[loc]), 2); loc += 2;
434 netgame->team_kills[0] = INTEL_SHORT(netgame->team_kills[0]);
435 memcpy(&(netgame->team_kills[1]), &(data[loc]), 2); loc += 2;
436 netgame->team_kills[1] = INTEL_SHORT(netgame->team_kills[1]);
437 for (i = 0; i < MAX_PLAYERS; i++) {
438 memcpy(&(netgame->killed[i]), &(data[loc]), 2); loc += 2;
439 netgame->killed[i] = INTEL_SHORT(netgame->killed[i]);
441 for (i = 0; i < MAX_PLAYERS; i++) {
442 memcpy(&(netgame->player_kills[i]), &(data[loc]), 2); loc += 2;
443 netgame->player_kills[i] = INTEL_SHORT(netgame->player_kills[i]);
445 memcpy(&(netgame->KillGoal), &(data[loc]), 4); loc += 4;
446 netgame->KillGoal = INTEL_INT(netgame->KillGoal);
447 memcpy(&(netgame->PlayTimeAllowed), &(data[loc]), 4); loc += 4;
448 netgame->PlayTimeAllowed = INTEL_INT(netgame->PlayTimeAllowed);
450 memcpy(&(netgame->level_time), &(data[loc]), 4); loc += 4;
451 netgame->level_time = INTEL_INT(netgame->level_time);
452 memcpy(&(netgame->control_invul_time), &(data[loc]), 4); loc += 4;
453 netgame->control_invul_time = swapint(netgame->control_invul_time);
454 memcpy(&(netgame->monitor_vector), &(data[loc]), 4); loc += 4;
455 netgame->monitor_vector = swapint(netgame->monitor_vector);
456 for (i = 0; i < MAX_PLAYERS; i++) {
457 memcpy(&(netgame->player_score[i]), &(data[loc]), 4); loc += 4;
458 netgame->player_score[i] = swapint(netgame->player_score[i]);
460 for (i = 0; i < MAX_PLAYERS; i++) {
461 memcpy(&(netgame->player_flags[i]), &(data[loc]), 1); loc++;
463 memcpy(&(netgame->PacketsPerSec), &(data[loc]), 2); loc += 2;
464 netgame->PacketsPerSec = INTEL_SHORT(netgame->PacketsPerSec);
465 memcpy(&(netgame->ShortPackets), &(data[loc]), 1); loc ++;
469 void swap_object(object *obj)
471 // swap the short and int entries for this object
472 obj->signature = INTEL_INT(obj->signature);
473 obj->next = INTEL_SHORT(obj->next);
474 obj->prev = INTEL_SHORT(obj->prev);
475 obj->segnum = INTEL_SHORT(obj->segnum);
476 obj->pos.x = INTEL_INT(obj->pos.x);
477 obj->pos.y = INTEL_INT(obj->pos.y);
478 obj->pos.z = INTEL_INT(obj->pos.z);
480 obj->orient.rvec.x = INTEL_INT(obj->orient.rvec.x);
481 obj->orient.rvec.y = INTEL_INT(obj->orient.rvec.y);
482 obj->orient.rvec.z = INTEL_INT(obj->orient.rvec.z);
483 obj->orient.fvec.x = INTEL_INT(obj->orient.fvec.x);
484 obj->orient.fvec.y = INTEL_INT(obj->orient.fvec.y);
485 obj->orient.fvec.z = INTEL_INT(obj->orient.fvec.z);
486 obj->orient.uvec.x = INTEL_INT(obj->orient.uvec.x);
487 obj->orient.uvec.y = INTEL_INT(obj->orient.uvec.y);
488 obj->orient.uvec.z = INTEL_INT(obj->orient.uvec.z);
490 obj->size = INTEL_INT(obj->size);
491 obj->shields = INTEL_INT(obj->shields);
493 obj->last_pos.x = INTEL_INT(obj->last_pos.x);
494 obj->last_pos.y = INTEL_INT(obj->last_pos.y);
495 obj->last_pos.z = INTEL_INT(obj->last_pos.z);
497 obj->lifeleft = INTEL_INT(obj->lifeleft);
499 switch (obj->movement_type) {
503 obj->mtype.phys_info.velocity.x = INTEL_INT(obj->mtype.phys_info.velocity.x);
504 obj->mtype.phys_info.velocity.y = INTEL_INT(obj->mtype.phys_info.velocity.y);
505 obj->mtype.phys_info.velocity.z = INTEL_INT(obj->mtype.phys_info.velocity.z);
507 obj->mtype.phys_info.thrust.x = INTEL_INT(obj->mtype.phys_info.thrust.x);
508 obj->mtype.phys_info.thrust.y = INTEL_INT(obj->mtype.phys_info.thrust.y);
509 obj->mtype.phys_info.thrust.z = INTEL_INT(obj->mtype.phys_info.thrust.z);
511 obj->mtype.phys_info.mass = INTEL_INT(obj->mtype.phys_info.mass);
512 obj->mtype.phys_info.drag = INTEL_INT(obj->mtype.phys_info.drag);
513 obj->mtype.phys_info.brakes = INTEL_INT(obj->mtype.phys_info.brakes);
515 obj->mtype.phys_info.rotvel.x = INTEL_INT(obj->mtype.phys_info.rotvel.x);
516 obj->mtype.phys_info.rotvel.y = INTEL_INT(obj->mtype.phys_info.rotvel.y);
517 obj->mtype.phys_info.rotvel.z = INTEL_INT(obj->mtype.phys_info.rotvel.z);
519 obj->mtype.phys_info.rotthrust.x = INTEL_INT(obj->mtype.phys_info.rotthrust.x);
520 obj->mtype.phys_info.rotthrust.y = INTEL_INT(obj->mtype.phys_info.rotthrust.y);
521 obj->mtype.phys_info.rotthrust.z = INTEL_INT(obj->mtype.phys_info.rotthrust.z);
523 obj->mtype.phys_info.turnroll = INTEL_INT(obj->mtype.phys_info.turnroll);
524 obj->mtype.phys_info.flags = INTEL_SHORT(obj->mtype.phys_info.flags);
530 obj->mtype.spin_rate.x = INTEL_INT(obj->mtype.spin_rate.x);
531 obj->mtype.spin_rate.y = INTEL_INT(obj->mtype.spin_rate.y);
532 obj->mtype.spin_rate.z = INTEL_INT(obj->mtype.spin_rate.z);
536 switch (obj->control_type) {
539 obj->ctype.laser_info.parent_type = INTEL_SHORT(obj->ctype.laser_info.parent_type);
540 obj->ctype.laser_info.parent_num = INTEL_SHORT(obj->ctype.laser_info.parent_num);
541 obj->ctype.laser_info.parent_signature = INTEL_INT(obj->ctype.laser_info.parent_signature);
542 obj->ctype.laser_info.creation_time = INTEL_INT(obj->ctype.laser_info.creation_time);
543 obj->ctype.laser_info.last_hitobj = INTEL_SHORT(obj->ctype.laser_info.last_hitobj);
544 obj->ctype.laser_info.track_goal = INTEL_SHORT(obj->ctype.laser_info.track_goal);
545 obj->ctype.laser_info.multiplier = INTEL_INT(obj->ctype.laser_info.multiplier);
549 obj->ctype.expl_info.spawn_time = INTEL_INT(obj->ctype.expl_info.spawn_time);
550 obj->ctype.expl_info.delete_time = INTEL_INT(obj->ctype.expl_info.delete_time);
551 obj->ctype.expl_info.delete_objnum = INTEL_SHORT(obj->ctype.expl_info.delete_objnum);
552 obj->ctype.expl_info.attach_parent = INTEL_SHORT(obj->ctype.expl_info.attach_parent);
553 obj->ctype.expl_info.prev_attach = INTEL_SHORT(obj->ctype.expl_info.prev_attach);
554 obj->ctype.expl_info.next_attach = INTEL_SHORT(obj->ctype.expl_info.next_attach);
558 obj->ctype.ai_info.hide_segment = INTEL_SHORT(obj->ctype.ai_info.hide_segment);
559 obj->ctype.ai_info.hide_index = INTEL_SHORT(obj->ctype.ai_info.hide_index);
560 obj->ctype.ai_info.path_length = INTEL_SHORT(obj->ctype.ai_info.path_length);
561 obj->ctype.ai_info.danger_laser_num = INTEL_SHORT(obj->ctype.ai_info.danger_laser_num);
562 obj->ctype.ai_info.danger_laser_signature = INTEL_INT(obj->ctype.ai_info.danger_laser_signature);
563 obj->ctype.ai_info.dying_start_time = INTEL_INT(obj->ctype.ai_info.dying_start_time);
567 obj->ctype.light_info.intensity = INTEL_INT(obj->ctype.light_info.intensity);
571 obj->ctype.powerup_info.count = INTEL_INT(obj->ctype.powerup_info.count);
572 obj->ctype.powerup_info.creation_time = INTEL_INT(obj->ctype.powerup_info.creation_time);
573 //Below commented out 5/2/96 by Matt. I asked Allender why it was
574 //here, and he didn't know, and it looks like it doesn't belong.
575 //if (obj->id == POW_VULCAN_WEAPON)
576 // obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
581 switch (obj->render_type) {
587 obj->rtype.pobj_info.model_num = INTEL_INT(obj->rtype.pobj_info.model_num);
589 for (i=0;i<MAX_SUBMODELS;i++) {
590 obj->rtype.pobj_info.anim_angles[i].p = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].p);
591 obj->rtype.pobj_info.anim_angles[i].b = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].b);
592 obj->rtype.pobj_info.anim_angles[i].h = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].h);
595 obj->rtype.pobj_info.subobj_flags = INTEL_INT(obj->rtype.pobj_info.subobj_flags);
596 obj->rtype.pobj_info.tmap_override = INTEL_INT(obj->rtype.pobj_info.tmap_override);
597 obj->rtype.pobj_info.alt_textures = INTEL_INT(obj->rtype.pobj_info.alt_textures);
601 case RT_WEAPON_VCLIP:
605 obj->rtype.vclip_info.vclip_num = INTEL_INT(obj->rtype.vclip_info.vclip_num);
606 obj->rtype.vclip_info.frametime = INTEL_INT(obj->rtype.vclip_info.frametime);
613 // END OF SWAPPING OBJECT STRUCTURE
620 // Calculates the checksum of a block of memory.
621 ushort netmisc_calc_checksum( void * vptr, int len )
623 ubyte * ptr = (ubyte *)vptr;
624 unsigned int sum1,sum2;
630 if (sum1 >= 255 ) sum1 -= 255;
635 return ((sum1<<8)+ sum2);
639 //--unused-- //Finds the difference between block1 and block2. Fills in diff_buffer and
640 //--unused-- //returns the size of diff_buffer.
641 //--unused-- int netmisc_find_diff( void *block1, void *block2, int block_size, void *diff_buffer )
643 //--unused-- int mode;
644 //--unused-- ushort *c1, *c2, *diff_start, *c3;
645 //--unused-- int i, j, size, diff, n , same;
647 //--unused-- size=(block_size+1)/sizeof(ushort);
648 //--unused-- c1 = (ushort *)block1;
649 //--unused-- c2 = (ushort *)block2;
650 //--unused-- c3 = (ushort *)diff_buffer;
652 //--unused-- mode = same = diff = n = 0;
654 //--unused-- //mprintf( 0, "=================================\n" );
656 //--unused-- for (i=0; i<size; i++, c1++, c2++ ) {
657 //--unused-- if (*c1 != *c2 ) {
658 //--unused-- if (mode==0) {
659 //--unused-- mode = 1;
660 //--unused-- //mprintf( 0, "%ds ", same );
661 //--unused-- c3[n++] = same;
662 //--unused-- same=0; diff=0;
663 //--unused-- diff_start = c2;
665 //--unused-- *c1 = *c2;
667 //--unused-- if (diff==65535) {
668 //--unused-- mode = 0;
669 //--unused-- // send how many diff ones.
670 //--unused-- //mprintf( 0, "%dd ", diff );
671 //--unused-- c3[n++]=diff;
672 //--unused-- // send all the diff ones.
673 //--unused-- for (j=0; j<diff; j++ )
674 //--unused-- c3[n++] = diff_start[j];
675 //--unused-- same=0; diff=0;
676 //--unused-- diff_start = c2;
678 //--unused-- } else {
679 //--unused-- if (mode==1) {
681 //--unused-- // send how many diff ones.
682 //--unused-- //mprintf( 0, "%dd ", diff );
683 //--unused-- c3[n++]=diff;
684 //--unused-- // send all the diff ones.
685 //--unused-- for (j=0; j<diff; j++ )
686 //--unused-- c3[n++] = diff_start[j];
687 //--unused-- same=0; diff=0;
688 //--unused-- diff_start = c2;
691 //--unused-- if (same==65535) {
693 //--unused-- // send how many the same
694 //--unused-- //mprintf( 0, "%ds ", same );
695 //--unused-- c3[n++] = same;
696 //--unused-- same=0; diff=0;
697 //--unused-- diff_start = c2;
702 //--unused-- if (mode==0) {
703 //--unused-- // send how many the same
704 //--unused-- //mprintf( 0, "%ds ", same );
705 //--unused-- c3[n++] = same;
706 //--unused-- } else {
707 //--unused-- // send how many diff ones.
708 //--unused-- //mprintf( 0, "%dd ", diff );
709 //--unused-- c3[n++]=diff;
710 //--unused-- // send all the diff ones.
711 //--unused-- for (j=0; j<diff; j++ )
712 //--unused-- c3[n++] = diff_start[j];
715 //--unused-- //mprintf( 0, "=================================\n" );
717 //--unused-- return n*2;
720 //--unused-- //Applies diff_buffer to block1 to create a new block1. Returns the final
721 //--unused-- //size of block1.
722 //--unused-- int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size )
724 //--unused-- unsigned int i, j, n, size;
725 //--unused-- ushort *c1, *c2;
727 //--unused-- //mprintf( 0, "=================================\n" );
728 //--unused-- c1 = (ushort *)diff_buffer;
729 //--unused-- c2 = (ushort *)block1;
731 //--unused-- size = diff_size/2;
734 //--unused-- while (1) {
735 //--unused-- j += c1[i]; // Same
736 //--unused-- //mprintf( 0, "%ds ", c1[i] );
738 //--unused-- if ( i>=size) break;
739 //--unused-- n = c1[i]; // ndiff
740 //--unused-- //mprintf( 0, "%dd ", c1[i] );
742 //--unused-- if (n>0) {
743 //--unused-- //Assert( n* < 256 );
744 //--unused-- memcpy( &c2[j], &c1[i], n*2 );
748 //--unused-- if ( i>=size) break;
750 //--unused-- //mprintf( 0, "=================================\n" );
752 //--unused-- return j*2;