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 static char rcsid[] = "$Id: netmisc.c,v 1.1.1.1 2001-01-19 03:30:01 bradleyb Exp $";
34 // routine to calculate the checksum of the segments. We add these specialized routines
35 // since the current way is byte order dependent.
37 void mac_do_checksum_calc(ubyte *b, int len, unsigned int *s1, unsigned int *s2)
42 if (*s1 >= 255 ) *s1 -= 255;
47 ushort mac_calc_segment_checksum()
50 unsigned int sum1,sum2;
55 for (i = 0; i < Highest_segment_index + 1; i++) {
56 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
57 mac_do_checksum_calc(&(Segments[i].sides[j].type), 1, &sum1, &sum2);
58 mac_do_checksum_calc(&(Segments[i].sides[j].pad), 1, &sum1, &sum2);
59 s = INTEL_SHORT(Segments[i].sides[j].wall_num);
60 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
61 s = INTEL_SHORT(Segments[i].sides[j].tmap_num);
62 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
63 s = INTEL_SHORT(Segments[i].sides[j].tmap_num2);
64 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
65 for (k = 0; k < 4; k++) {
66 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].u));
67 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
68 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].v));
69 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
70 t = INTEL_INT(((int)Segments[i].sides[j].uvls[k].l));
71 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
73 for (k = 0; k < 2; k++) {
74 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].x));
75 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
76 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].y));
77 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
78 t = INTEL_INT(((int)Segments[i].sides[j].normals[k].z));
79 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
82 for (j = 0; j < MAX_SIDES_PER_SEGMENT; j++) {
83 s = INTEL_SHORT(Segments[i].children[j]);
84 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
86 for (j = 0; j < MAX_VERTICES_PER_SEGMENT; j++) {
87 s = INTEL_SHORT(Segments[i].verts[j]);
88 mac_do_checksum_calc((ubyte *)&s, 2, &sum1, &sum2);
90 t = INTEL_INT(Segments[i].objects);
91 mac_do_checksum_calc((ubyte *)&t, 4, &sum1, &sum2);
94 return ((sum1<<8)+ sum2);
97 // this routine totally and completely relies on the fact that the network
98 // checksum must be calculated on the segments!!!!!
100 ushort netmisc_calc_checksum( void * vptr, int len )
104 return mac_calc_segment_checksum();
107 // Calculates the checksum of a block of memory.
108 ushort netmisc_calc_checksum_pc( void * vptr, int len )
110 ubyte * ptr = (ubyte *)vptr;
111 unsigned int sum1,sum2;
117 if (sum1 >= 255 ) sum1 -= 255;
122 return ((sum1<<8)+ sum2);
125 // following are routine for macintosh only that will swap the elements of
126 // structures send through the networking code. The structures and
127 // this code must be kept in total sync
130 #include "byteswap.h"
137 byte out_buffer[IPX_MAX_DATA_SIZE]; // used for tmp netgame packets as well as sending object data
139 void receive_netplayer_info(ubyte *data, netplayer_info *info)
143 memcpy(info->callsign, &(data[loc]), CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
144 memcpy(&(info->network.ipx.server), &(data[loc]), 4); loc += 4;
145 memcpy(&(info->network.ipx.node), &(data[loc]), 6); loc += 6;
146 info->version_major = data[loc]; loc++;
147 info->version_minor = data[loc]; loc++;
148 memcpy(&(info->computer_type), &(data[loc]), 1); loc++; // memcpy to avoid compile time warning about enum
149 info->connected = data[loc]; loc++;
150 memcpy(&(info->socket), &(data[loc]), 2); loc += 2;
151 memcpy (&(info->rank),&(data[loc]),1); loc++;
152 //MWA don't think we need to swap this because we need it in high order info->socket = swapshort(info->socket);
155 void send_netplayers_packet(ubyte *server, ubyte *node)
161 memset(out_buffer, 0, sizeof(out_buffer));
162 out_buffer[0] = NetPlayers.type; loc++;
163 tmpi = INTEL_INT(NetPlayers.Security);
164 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
165 for (i = 0; i < MAX_PLAYERS+4; i++) {
166 memcpy(&(out_buffer[loc]), NetPlayers.players[i].callsign, CALLSIGN_LEN+1); loc += CALLSIGN_LEN+1;
167 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.server, 4); loc += 4;
168 memcpy(&(out_buffer[loc]), NetPlayers.players[i].network.ipx.node, 6); loc += 6;
169 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_major), 1); loc++;
170 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].version_minor), 1); loc++;
171 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].computer_type), 1); loc++;
172 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].connected), 1); loc++;
173 tmps = INTEL_SHORT(NetPlayers.players[i].socket);
174 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
175 memcpy(&(out_buffer[loc]), &(NetPlayers.players[i].rank), 1); loc++;
178 if ((server == NULL) && (node == NULL))
179 ipx_send_broadcast_packet_data( out_buffer, loc );
181 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
185 void receive_netplayers_packet(ubyte *data, AllNetPlayers_info *pinfo)
189 pinfo->type = data[loc]; loc++;
190 memcpy(&(pinfo->Security), &(data[loc]), 4); loc += 4;
191 pinfo->Security = INTEL_INT(pinfo->Security);
192 for (i = 0; i < MAX_PLAYERS+4; i++) {
193 receive_netplayer_info(&(data[loc]), &(pinfo->players[i]));
194 loc += 26; // sizeof(netplayer_info) on the PC
198 void send_sequence_packet(sequence_packet seq, ubyte *server, ubyte *node, ubyte *net_address)
204 memset(out_buffer, 0, sizeof(out_buffer));
205 out_buffer[0] = seq.type; loc++;
206 tmpi = INTEL_INT(seq.Security);
207 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; loc += 3;
208 memcpy(&(out_buffer[loc]), seq.player.callsign, CALLSIGN_LEN+1);loc += CALLSIGN_LEN+1;
209 memcpy(&(out_buffer[loc]), seq.player.network.ipx.server, 4); loc += 4;
210 memcpy(&(out_buffer[loc]), seq.player.network.ipx.node, 6); loc += 6;
211 out_buffer[loc] = seq.player.version_major; loc++;
212 out_buffer[loc] = seq.player.version_minor; loc++;
213 out_buffer[loc] = seq.player.computer_type; loc++;
214 out_buffer[loc] = seq.player.connected; loc++;
215 tmps = swapshort(seq.player.socket);
216 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
217 out_buffer[loc]=seq.player.rank; loc++; // for pad byte
218 if (net_address != NULL)
219 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
220 else if ((server == NULL) && (node == NULL))
221 ipx_send_broadcast_packet_data( out_buffer, loc );
223 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
226 void receive_sequence_packet(ubyte *data, sequence_packet *seq)
230 seq->type = data[0]; loc++;
231 memcpy(&(seq->Security), &(data[loc]), 4); loc += 4; loc += 3; // +3 for pad byte
232 seq->Security = INTEL_INT(seq->Security);
233 receive_netplayer_info(&(data[loc]), &(seq->player));
236 void send_netgame_packet(ubyte *server, ubyte *node, ubyte *net_address, int lite_flag) // lite says shorter netgame packets
243 memset(out_buffer, 0, IPX_MAX_DATA_SIZE);
244 memcpy(&(out_buffer[loc]), &(Netgame.type), 1); loc++;
245 tmpi = INTEL_INT(Netgame.Security);
246 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
247 memcpy(&(out_buffer[loc]), Netgame.game_name, NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
248 memcpy(&(out_buffer[loc]), Netgame.mission_title, MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
249 memcpy(&(out_buffer[loc]), Netgame.mission_name, 9); loc += 9;
250 tmpi = INTEL_INT(Netgame.levelnum);
251 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4;
252 memcpy(&(out_buffer[loc]), &(Netgame.gamemode), 1); loc++;
253 memcpy(&(out_buffer[loc]), &(Netgame.RefusePlayers), 1); loc++;
254 memcpy(&(out_buffer[loc]), &(Netgame.difficulty), 1); loc++;
255 memcpy(&(out_buffer[loc]), &(Netgame.game_status), 1); loc++;
256 memcpy(&(out_buffer[loc]), &(Netgame.numplayers), 1); loc++;
257 memcpy(&(out_buffer[loc]), &(Netgame.max_numplayers), 1); loc++;
258 memcpy(&(out_buffer[loc]), &(Netgame.numconnected), 1); loc++;
259 memcpy(&(out_buffer[loc]), &(Netgame.game_flags), 1); loc++;
260 memcpy(&(out_buffer[loc]), &(Netgame.protocol_version), 1); loc++;
261 memcpy(&(out_buffer[loc]), &(Netgame.version_major), 1); loc++;
262 memcpy(&(out_buffer[loc]), &(Netgame.version_minor), 1); loc++;
263 memcpy(&(out_buffer[loc]), &(Netgame.team_vector), 1); loc++;
268 // will this work -- damn bitfields -- totally bogus when trying to do this type of stuff
269 // Watcom makes bitfields from left to right. CW7 on the mac goes from right to left.
270 // then they are endian swapped
272 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
273 tmps = INTEL_SHORT(tmps);
274 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
276 tmps = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
277 tmps = INTEL_SHORT(tmps);
278 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
280 #if 0 // removed since I reordered bitfields on mac
281 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 1); // get the values for the first short bitfield
283 for (i = 15; i >= 0; i--) {
285 tmps |= (1 << (15 - i));
287 tmps = INTEL_SHORT(tmps);
288 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
289 p = *(ushort *)((ubyte *)(&Netgame.team_vector) + 3); // get the values for the second short bitfield
291 for (i = 15; i >= 0; i--) {
293 tmps |= (1 << (15 - i));
295 tmps = INTEL_SHORT(tmps);
296 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
299 memcpy(&(out_buffer[loc]), Netgame.team_name, 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
300 for (i = 0; i < MAX_PLAYERS; i++) {
301 tmpi = INTEL_INT(Netgame.locations[i]);
302 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP HERE!!!
305 for (i = 0; i < MAX_PLAYERS; i++) {
306 for (j = 0; j < MAX_PLAYERS; j++) {
307 tmps = INTEL_SHORT(Netgame.kills[i][j]);
308 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
312 tmps = INTEL_SHORT(Netgame.segments_checksum);
313 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
314 tmps = INTEL_SHORT(Netgame.team_kills[0]);
315 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
316 tmps = INTEL_SHORT(Netgame.team_kills[1]);
317 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP_HERE
318 for (i = 0; i < MAX_PLAYERS; i++) {
319 tmps = INTEL_SHORT(Netgame.killed[i]);
320 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
322 for (i = 0; i < MAX_PLAYERS; i++) {
323 tmps = INTEL_SHORT(Netgame.player_kills[i]);
324 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2; // SWAP HERE!!!
327 tmpi = INTEL_INT(Netgame.KillGoal);
328 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
329 tmpi = INTEL_INT(Netgame.PlayTimeAllowed);
330 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
331 tmpi = INTEL_INT(Netgame.level_time);
332 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
333 tmpi = INTEL_INT(Netgame.control_invul_time);
334 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
335 tmpi = INTEL_INT(Netgame.monitor_vector);
336 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
337 for (i = 0; i < MAX_PLAYERS; i++) {
338 tmpi = INTEL_INT(Netgame.player_score[i]);
339 memcpy(&(out_buffer[loc]), &tmpi, 4); loc += 4; // SWAP_HERE
341 for (i = 0; i < MAX_PLAYERS; i++) {
342 memcpy(&(out_buffer[loc]), &(Netgame.player_flags[i]), 1); loc++;
344 tmps = INTEL_SHORT(Netgame.PacketsPerSec);
345 memcpy(&(out_buffer[loc]), &tmps, 2); loc += 2;
346 memcpy(&(out_buffer[loc]), &(Netgame.ShortPackets), 1); loc ++;
349 if (net_address != NULL)
350 ipx_send_packet_data( out_buffer, loc, server, node, net_address);
351 else if ((server == NULL) && (node == NULL))
352 ipx_send_broadcast_packet_data( out_buffer, loc );
354 ipx_send_internetwork_packet_data( out_buffer, loc, server, node);
357 void receive_netgame_packet(ubyte *data, netgame_info *netgame, int lite_flag)
361 short bitfield, new_field;
363 memcpy(&(netgame->type), &(data[loc]), 1); loc++;
364 memcpy(&(netgame->Security), &(data[loc]), 4); loc += 4;
365 netgame->Security = INTEL_INT(netgame->Security);
366 memcpy(netgame->game_name, &(data[loc]), NETGAME_NAME_LEN+1); loc += (NETGAME_NAME_LEN+1);
367 memcpy(netgame->mission_title, &(data[loc]), MISSION_NAME_LEN+1); loc += (MISSION_NAME_LEN+1);
368 memcpy(netgame->mission_name, &(data[loc]), 9); loc += 9;
369 memcpy(&(netgame->levelnum), &(data[loc]), 4); loc += 4;
370 netgame->levelnum = INTEL_INT(netgame->levelnum);
371 memcpy(&(netgame->gamemode), &(data[loc]), 1); loc++;
372 memcpy(&(netgame->RefusePlayers), &(data[loc]), 1); loc++;
373 memcpy(&(netgame->difficulty), &(data[loc]), 1); loc++;
374 memcpy(&(netgame->game_status), &(data[loc]), 1); loc++;
375 memcpy(&(netgame->numplayers), &(data[loc]), 1); loc++;
376 memcpy(&(netgame->max_numplayers), &(data[loc]), 1); loc++;
377 memcpy(&(netgame->numconnected), &(data[loc]), 1); loc++;
378 memcpy(&(netgame->game_flags), &(data[loc]), 1); loc++;
379 memcpy(&(netgame->protocol_version), &(data[loc]), 1); loc++;
380 memcpy(&(netgame->version_major), &(data[loc]), 1); loc++;
381 memcpy(&(netgame->version_minor), &(data[loc]), 1); loc++;
382 memcpy(&(netgame->team_vector), &(data[loc]), 1); loc++;
387 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
388 bitfield = INTEL_SHORT(bitfield);
389 memcpy(((ubyte *)(&netgame->team_vector) + 1), &bitfield, 2);
391 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
392 bitfield = INTEL_SHORT(bitfield);
393 memcpy(((ubyte *)(&netgame->team_vector) + 3), &bitfield, 2);
395 #if 0 // not used since reordering mac bitfields
396 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
398 for (i = 15; i >= 0; i--) {
399 if ( bitfield & (1 << i) )
400 new_field |= (1 << (15 - i));
402 new_field = INTEL_SHORT(new_field);
403 memcpy(((ubyte *)(&netgame->team_vector) + 1), &new_field, 2);
405 memcpy(&bitfield, &(data[loc]), 2); loc += 2;
407 for (i = 15; i >= 0; i--) {
408 if ( bitfield & (1 << i) )
409 new_field |= (1 << (15 - i));
411 new_field = INTEL_SHORT(new_field);
412 memcpy(((ubyte *)(&netgame->team_vector) + 3), &new_field, 2);
415 memcpy(netgame->team_name, &(data[loc]), 2*(CALLSIGN_LEN+1)); loc += 2*(CALLSIGN_LEN+1);
416 for (i = 0; i < MAX_PLAYERS; i++) {
417 memcpy(&(netgame->locations[i]), &(data[loc]), 4); loc += 4;
418 netgame->locations[i] = INTEL_INT(netgame->locations[i]);
421 for (i = 0; i < MAX_PLAYERS; i++) {
422 for (j = 0; j < MAX_PLAYERS; j++) {
423 memcpy(&(netgame->kills[i][j]), &(data[loc]), 2); loc += 2;
424 netgame->kills[i][j] = INTEL_SHORT(netgame->kills[i][j]);
428 memcpy(&(netgame->segments_checksum), &(data[loc]), 2); loc += 2;
429 netgame->segments_checksum = INTEL_SHORT(netgame->segments_checksum);
430 memcpy(&(netgame->team_kills[0]), &(data[loc]), 2); loc += 2;
431 netgame->team_kills[0] = INTEL_SHORT(netgame->team_kills[0]);
432 memcpy(&(netgame->team_kills[1]), &(data[loc]), 2); loc += 2;
433 netgame->team_kills[1] = INTEL_SHORT(netgame->team_kills[1]);
434 for (i = 0; i < MAX_PLAYERS; i++) {
435 memcpy(&(netgame->killed[i]), &(data[loc]), 2); loc += 2;
436 netgame->killed[i] = INTEL_SHORT(netgame->killed[i]);
438 for (i = 0; i < MAX_PLAYERS; i++) {
439 memcpy(&(netgame->player_kills[i]), &(data[loc]), 2); loc += 2;
440 netgame->player_kills[i] = INTEL_SHORT(netgame->player_kills[i]);
442 memcpy(&(netgame->KillGoal), &(data[loc]), 4); loc += 4;
443 netgame->KillGoal = INTEL_INT(netgame->KillGoal);
444 memcpy(&(netgame->PlayTimeAllowed), &(data[loc]), 4); loc += 4;
445 netgame->PlayTimeAllowed = INTEL_INT(netgame->PlayTimeAllowed);
447 memcpy(&(netgame->level_time), &(data[loc]), 4); loc += 4;
448 netgame->level_time = INTEL_INT(netgame->level_time);
449 memcpy(&(netgame->control_invul_time), &(data[loc]), 4); loc += 4;
450 netgame->control_invul_time = swapint(netgame->control_invul_time);
451 memcpy(&(netgame->monitor_vector), &(data[loc]), 4); loc += 4;
452 netgame->monitor_vector = swapint(netgame->monitor_vector);
453 for (i = 0; i < MAX_PLAYERS; i++) {
454 memcpy(&(netgame->player_score[i]), &(data[loc]), 4); loc += 4;
455 netgame->player_score[i] = swapint(netgame->player_score[i]);
457 for (i = 0; i < MAX_PLAYERS; i++) {
458 memcpy(&(netgame->player_flags[i]), &(data[loc]), 1); loc++;
460 memcpy(&(netgame->PacketsPerSec), &(data[loc]), 2); loc += 2;
461 netgame->PacketsPerSec = INTEL_SHORT(netgame->PacketsPerSec);
462 memcpy(&(netgame->ShortPackets), &(data[loc]), 1); loc ++;
466 void swap_object(object *obj)
468 // swap the short and int entries for this object
469 obj->signature = INTEL_INT(obj->signature);
470 obj->next = INTEL_SHORT(obj->next);
471 obj->prev = INTEL_SHORT(obj->prev);
472 obj->segnum = INTEL_SHORT(obj->segnum);
473 obj->pos.x = INTEL_INT(obj->pos.x);
474 obj->pos.y = INTEL_INT(obj->pos.y);
475 obj->pos.z = INTEL_INT(obj->pos.z);
477 obj->orient.rvec.x = INTEL_INT(obj->orient.rvec.x);
478 obj->orient.rvec.y = INTEL_INT(obj->orient.rvec.y);
479 obj->orient.rvec.z = INTEL_INT(obj->orient.rvec.z);
480 obj->orient.fvec.x = INTEL_INT(obj->orient.fvec.x);
481 obj->orient.fvec.y = INTEL_INT(obj->orient.fvec.y);
482 obj->orient.fvec.z = INTEL_INT(obj->orient.fvec.z);
483 obj->orient.uvec.x = INTEL_INT(obj->orient.uvec.x);
484 obj->orient.uvec.y = INTEL_INT(obj->orient.uvec.y);
485 obj->orient.uvec.z = INTEL_INT(obj->orient.uvec.z);
487 obj->size = INTEL_INT(obj->size);
488 obj->shields = INTEL_INT(obj->shields);
490 obj->last_pos.x = INTEL_INT(obj->last_pos.x);
491 obj->last_pos.y = INTEL_INT(obj->last_pos.y);
492 obj->last_pos.z = INTEL_INT(obj->last_pos.z);
494 obj->lifeleft = INTEL_INT(obj->lifeleft);
496 switch (obj->movement_type) {
500 obj->mtype.phys_info.velocity.x = INTEL_INT(obj->mtype.phys_info.velocity.x);
501 obj->mtype.phys_info.velocity.y = INTEL_INT(obj->mtype.phys_info.velocity.y);
502 obj->mtype.phys_info.velocity.z = INTEL_INT(obj->mtype.phys_info.velocity.z);
504 obj->mtype.phys_info.thrust.x = INTEL_INT(obj->mtype.phys_info.thrust.x);
505 obj->mtype.phys_info.thrust.y = INTEL_INT(obj->mtype.phys_info.thrust.y);
506 obj->mtype.phys_info.thrust.z = INTEL_INT(obj->mtype.phys_info.thrust.z);
508 obj->mtype.phys_info.mass = INTEL_INT(obj->mtype.phys_info.mass);
509 obj->mtype.phys_info.drag = INTEL_INT(obj->mtype.phys_info.drag);
510 obj->mtype.phys_info.brakes = INTEL_INT(obj->mtype.phys_info.brakes);
512 obj->mtype.phys_info.rotvel.x = INTEL_INT(obj->mtype.phys_info.rotvel.x);
513 obj->mtype.phys_info.rotvel.y = INTEL_INT(obj->mtype.phys_info.rotvel.y);
514 obj->mtype.phys_info.rotvel.z = INTEL_INT(obj->mtype.phys_info.rotvel.z);
516 obj->mtype.phys_info.rotthrust.x = INTEL_INT(obj->mtype.phys_info.rotthrust.x);
517 obj->mtype.phys_info.rotthrust.y = INTEL_INT(obj->mtype.phys_info.rotthrust.y);
518 obj->mtype.phys_info.rotthrust.z = INTEL_INT(obj->mtype.phys_info.rotthrust.z);
520 obj->mtype.phys_info.turnroll = INTEL_INT(obj->mtype.phys_info.turnroll);
521 obj->mtype.phys_info.flags = INTEL_SHORT(obj->mtype.phys_info.flags);
527 obj->mtype.spin_rate.x = INTEL_INT(obj->mtype.spin_rate.x);
528 obj->mtype.spin_rate.y = INTEL_INT(obj->mtype.spin_rate.y);
529 obj->mtype.spin_rate.z = INTEL_INT(obj->mtype.spin_rate.z);
533 switch (obj->control_type) {
536 obj->ctype.laser_info.parent_type = INTEL_SHORT(obj->ctype.laser_info.parent_type);
537 obj->ctype.laser_info.parent_num = INTEL_SHORT(obj->ctype.laser_info.parent_num);
538 obj->ctype.laser_info.parent_signature = INTEL_INT(obj->ctype.laser_info.parent_signature);
539 obj->ctype.laser_info.creation_time = INTEL_INT(obj->ctype.laser_info.creation_time);
540 obj->ctype.laser_info.last_hitobj = INTEL_SHORT(obj->ctype.laser_info.last_hitobj);
541 obj->ctype.laser_info.track_goal = INTEL_SHORT(obj->ctype.laser_info.track_goal);
542 obj->ctype.laser_info.multiplier = INTEL_INT(obj->ctype.laser_info.multiplier);
546 obj->ctype.expl_info.spawn_time = INTEL_INT(obj->ctype.expl_info.spawn_time);
547 obj->ctype.expl_info.delete_time = INTEL_INT(obj->ctype.expl_info.delete_time);
548 obj->ctype.expl_info.delete_objnum = INTEL_SHORT(obj->ctype.expl_info.delete_objnum);
549 obj->ctype.expl_info.attach_parent = INTEL_SHORT(obj->ctype.expl_info.attach_parent);
550 obj->ctype.expl_info.prev_attach = INTEL_SHORT(obj->ctype.expl_info.prev_attach);
551 obj->ctype.expl_info.next_attach = INTEL_SHORT(obj->ctype.expl_info.next_attach);
555 obj->ctype.ai_info.hide_segment = INTEL_SHORT(obj->ctype.ai_info.hide_segment);
556 obj->ctype.ai_info.hide_index = INTEL_SHORT(obj->ctype.ai_info.hide_index);
557 obj->ctype.ai_info.path_length = INTEL_SHORT(obj->ctype.ai_info.path_length);
558 obj->ctype.ai_info.danger_laser_num = INTEL_SHORT(obj->ctype.ai_info.danger_laser_num);
559 obj->ctype.ai_info.danger_laser_signature = INTEL_INT(obj->ctype.ai_info.danger_laser_signature);
560 obj->ctype.ai_info.dying_start_time = INTEL_INT(obj->ctype.ai_info.dying_start_time);
564 obj->ctype.light_info.intensity = INTEL_INT(obj->ctype.light_info.intensity);
568 obj->ctype.powerup_info.count = INTEL_INT(obj->ctype.powerup_info.count);
569 obj->ctype.powerup_info.creation_time = INTEL_INT(obj->ctype.powerup_info.creation_time);
570 //Below commented out 5/2/96 by Matt. I asked Allender why it was
571 //here, and he didn't know, and it looks like it doesn't belong.
572 //if (obj->id == POW_VULCAN_WEAPON)
573 // obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
578 switch (obj->render_type) {
584 obj->rtype.pobj_info.model_num = INTEL_INT(obj->rtype.pobj_info.model_num);
586 for (i=0;i<MAX_SUBMODELS;i++) {
587 obj->rtype.pobj_info.anim_angles[i].p = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].p);
588 obj->rtype.pobj_info.anim_angles[i].b = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].b);
589 obj->rtype.pobj_info.anim_angles[i].h = INTEL_INT(obj->rtype.pobj_info.anim_angles[i].h);
592 obj->rtype.pobj_info.subobj_flags = INTEL_INT(obj->rtype.pobj_info.subobj_flags);
593 obj->rtype.pobj_info.tmap_override = INTEL_INT(obj->rtype.pobj_info.tmap_override);
594 obj->rtype.pobj_info.alt_textures = INTEL_INT(obj->rtype.pobj_info.alt_textures);
598 case RT_WEAPON_VCLIP:
602 obj->rtype.vclip_info.vclip_num = INTEL_INT(obj->rtype.vclip_info.vclip_num);
603 obj->rtype.vclip_info.frametime = INTEL_INT(obj->rtype.vclip_info.frametime);
610 // END OF SWAPPING OBJECT STRUCTURE
617 // Calculates the checksum of a block of memory.
618 ushort netmisc_calc_checksum( void * vptr, int len )
620 ubyte * ptr = (ubyte *)vptr;
621 unsigned int sum1,sum2;
627 if (sum1 >= 255 ) sum1 -= 255;
632 return ((sum1<<8)+ sum2);
636 //--unused-- //Finds the difference between block1 and block2. Fills in diff_buffer and
637 //--unused-- //returns the size of diff_buffer.
638 //--unused-- int netmisc_find_diff( void *block1, void *block2, int block_size, void *diff_buffer )
640 //--unused-- int mode;
641 //--unused-- ushort *c1, *c2, *diff_start, *c3;
642 //--unused-- int i, j, size, diff, n , same;
644 //--unused-- size=(block_size+1)/sizeof(ushort);
645 //--unused-- c1 = (ushort *)block1;
646 //--unused-- c2 = (ushort *)block2;
647 //--unused-- c3 = (ushort *)diff_buffer;
649 //--unused-- mode = same = diff = n = 0;
651 //--unused-- //mprintf( 0, "=================================\n" );
653 //--unused-- for (i=0; i<size; i++, c1++, c2++ ) {
654 //--unused-- if (*c1 != *c2 ) {
655 //--unused-- if (mode==0) {
656 //--unused-- mode = 1;
657 //--unused-- //mprintf( 0, "%ds ", same );
658 //--unused-- c3[n++] = same;
659 //--unused-- same=0; diff=0;
660 //--unused-- diff_start = c2;
662 //--unused-- *c1 = *c2;
664 //--unused-- if (diff==65535) {
665 //--unused-- mode = 0;
666 //--unused-- // send how many diff ones.
667 //--unused-- //mprintf( 0, "%dd ", diff );
668 //--unused-- c3[n++]=diff;
669 //--unused-- // send all the diff ones.
670 //--unused-- for (j=0; j<diff; j++ )
671 //--unused-- c3[n++] = diff_start[j];
672 //--unused-- same=0; diff=0;
673 //--unused-- diff_start = c2;
675 //--unused-- } else {
676 //--unused-- if (mode==1) {
678 //--unused-- // send how many diff ones.
679 //--unused-- //mprintf( 0, "%dd ", diff );
680 //--unused-- c3[n++]=diff;
681 //--unused-- // send all the diff ones.
682 //--unused-- for (j=0; j<diff; j++ )
683 //--unused-- c3[n++] = diff_start[j];
684 //--unused-- same=0; diff=0;
685 //--unused-- diff_start = c2;
688 //--unused-- if (same==65535) {
690 //--unused-- // send how many the same
691 //--unused-- //mprintf( 0, "%ds ", same );
692 //--unused-- c3[n++] = same;
693 //--unused-- same=0; diff=0;
694 //--unused-- diff_start = c2;
699 //--unused-- if (mode==0) {
700 //--unused-- // send how many the same
701 //--unused-- //mprintf( 0, "%ds ", same );
702 //--unused-- c3[n++] = same;
703 //--unused-- } else {
704 //--unused-- // send how many diff ones.
705 //--unused-- //mprintf( 0, "%dd ", diff );
706 //--unused-- c3[n++]=diff;
707 //--unused-- // send all the diff ones.
708 //--unused-- for (j=0; j<diff; j++ )
709 //--unused-- c3[n++] = diff_start[j];
712 //--unused-- //mprintf( 0, "=================================\n" );
714 //--unused-- return n*2;
717 //--unused-- //Applies diff_buffer to block1 to create a new block1. Returns the final
718 //--unused-- //size of block1.
719 //--unused-- int netmisc_apply_diff(void *block1, void *diff_buffer, int diff_size )
721 //--unused-- unsigned int i, j, n, size;
722 //--unused-- ushort *c1, *c2;
724 //--unused-- //mprintf( 0, "=================================\n" );
725 //--unused-- c1 = (ushort *)diff_buffer;
726 //--unused-- c2 = (ushort *)block1;
728 //--unused-- size = diff_size/2;
731 //--unused-- while (1) {
732 //--unused-- j += c1[i]; // Same
733 //--unused-- //mprintf( 0, "%ds ", c1[i] );
735 //--unused-- if ( i>=size) break;
736 //--unused-- n = c1[i]; // ndiff
737 //--unused-- //mprintf( 0, "%dd ", c1[i] );
739 //--unused-- if (n>0) {
740 //--unused-- //Assert( n* < 256 );
741 //--unused-- memcpy( &c2[j], &c1[i], n*2 );
745 //--unused-- if ( i>=size) break;
747 //--unused-- //mprintf( 0, "=================================\n" );
749 //--unused-- return j*2;