// Save game // returns 1 if successful // returns 0 if unsuccessful int SaveGameData() { char Message[200]; if (gamestate_not_restored) { sprintf( Message, "Game State has not been restored...\nContinue?\n"); if (MessageBox( -2, -2, 2, Message, "NO", "Yes" )==1) return 0; } if (ui_get_filename( game_filename, "*.LVL", "SAVE GAME" )) { int saved_flag; vms_vector save_pos = ConsoleObject->pos; vms_matrix save_orient = ConsoleObject->orient; int save_segnum = ConsoleObject->segnum; checkforgamext(game_filename); if (Perm_player_segnum > Highest_segment_index) Perm_player_segnum = -1; if (Perm_player_segnum!=-1) { if (get_seg_masks(&Perm_player_position,Perm_player_segnum,0).centermask==0) { ConsoleObject->pos = Perm_player_position; obj_relink(ConsoleObject-Objects,Perm_player_segnum); ConsoleObject->orient = Perm_player_orient; } else Perm_player_segnum=-1; //position was bogus } saved_flag=save_level(game_filename); if (Perm_player_segnum!=-1) { int found_save_segnum; if (save_segnum > Highest_segment_index) save_segnum = 0; ConsoleObject->pos = save_pos; found_save_segnum = find_point_seg(&save_pos,save_segnum); if (found_save_segnum == -1) { compute_segment_center(&save_pos, &(Segments[save_segnum])); found_save_segnum = save_segnum; } obj_relink(ConsoleObject-Objects,found_save_segnum); ConsoleObject->orient = save_orient; } if (saved_flag) return 0; mine_changed = 0; } return 1; }
// ----------------------------------------------------------------------------------------------------------------- // Object has moved to another segment, (or at least poked through). // If still in mine, that is legal, so relink into new segment. // Return value: 0 = in mine, 1 = not in mine static int move_object_within_mine(const vobjptridx_t obj, const vms_vector &newpos) { range_for (const auto &&segp, vsegptridx) { if (get_seg_masks(obj->pos, segp, 0).centermask == 0) { int fate; fvi_info hit_info; fvi_query fq; // See if the radius pokes through any wall. fq.p0 = &obj->pos; fq.startseg = obj->segnum; fq.p1 = &newpos; fq.rad = obj->size; fq.thisobjnum = object_none; fq.ignore_obj_list.first = nullptr; fq.flags = 0; fate = find_vector_intersection(fq, hit_info); if (fate != HIT_WALL) { if (segp != obj->segnum) obj_relink( obj, segp); obj->pos = newpos; return 0; } } } return 1; }
void gamestate_restore_check() { char Message[DIAGNOSTIC_MESSAGE_MAX]; obj_position Save_position; if (gamestate_not_restored) { sprintf( Message, "Do you wish to restore game state?\n"); if (ui_messagebox( -2, -2, 2, Message, "Yes", "No" )==1) { // Save current position Save_position.pos = ConsoleObject->pos; Save_position.orient = ConsoleObject->orient; Save_position.segnum = ConsoleObject->segnum; load_level("GAMESAVE.LVL"); // Restore current position if (Save_position.segnum <= Highest_segment_index) { ConsoleObject->pos = Save_position.pos; ConsoleObject->orient = Save_position.orient; obj_relink(ConsoleObject-Objects,Save_position.segnum); } gamestate_not_restored = 0; Update_flags |= UF_WORLD_CHANGED; } else gamestate_not_restored = 1; } }
// ----------------------------------------------------------------------------------------------------------------- // Object has moved to another segment, (or at least poked through). // If still in mine, that is legal, so relink into new segment. // Return value: 0 = in mine, 1 = not in mine int move_object_within_mine(object * obj, vms_vector *newpos ) { int segnum; for (segnum=0;segnum <= Highest_segment_index; segnum++) { segmasks result = get_seg_masks(&obj->pos,segnum,0); if (result.centermask == 0) { int fate; fvi_info hit_info; fvi_query fq; // See if the radius pokes through any wall. fq.p0 = &obj->pos; fq.startseg = obj->segnum; fq.p1 = newpos; fq.rad = obj->size; fq.thisobjnum = -1; fq.ignore_obj_list = NULL; fq.flags = 0; fate = find_vector_intersection(&fq,&hit_info); if (fate != HIT_WALL) { if ( segnum != obj->segnum ) obj_relink( obj-Objects, segnum); obj->pos = *newpos; return 0; } //else //mprintf((0, "Hit wall seg:side = %i:%i\n", hit_info.hit_seg, hit_info.hit_side)); } } return 1; }
// -------------------------------------------------------------------------- // Detonate reactor. // Award player all powerups in mine. // Place player just outside exit. // Kill all bots in mine. // Yippee!! void kill_and_so_forth(void) { int i, j; HUD_init_message_literal(HM_DEFAULT, "Killing, awarding, etc.!"); for (i=0; i<=Highest_object_index; i++) { switch (Objects[i].type) { case OBJ_ROBOT: Objects[i].flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD; break; case OBJ_POWERUP: do_powerup(&Objects[i]); break; } } do_controlcen_destroyed_stuff(NULL); for (i=0; i<Num_triggers; i++) { if (Triggers[i].flags == TRIGGER_EXIT) { for (j=0; j<Num_walls; j++) { if (Walls[j].trigger == i) { compute_segment_center(&ConsoleObject->pos, &Segments[Walls[j].segnum]); obj_relink(ConsoleObject-Objects,Walls[j].segnum); goto kasf_done; } } } } kasf_done: ; }
// ----------------------------------------------------------------------------------- // Set the player's position from the globals Secret_return_segment and Secret_return_orient. void set_pos_from_return_segment(void) { int plobjnum = Players[Player_num].objnum; compute_segment_center(&Objects[plobjnum].pos, &Segments[Secret_return_segment]); obj_relink(plobjnum, Secret_return_segment); reset_player_object(); Objects[plobjnum].orient = Secret_return_orient; }
//initialize the player object position & orientation (at start of game, or new ship) void InitPlayerPosition(int random) { int NewPlayer=0; if (! ((Game_mode & GM_MULTI) && !(Game_mode&GM_MULTI_COOP)) ) // If not deathmatch NewPlayer = Player_num; #ifdef NETWORK else if ((Game_mode & GM_MULTI) && (Netgame.SpawnStyle == SPAWN_STYLE_PREVIEW) && Dead_player_camera != NULL) NewPlayer = previewed_spawn_point; #endif else if (random == 1) { int i, trys=0; fix closest_dist = 0x7ffffff, dist; timer_update(); d_srand((fix)timer_query()); do { trys++; NewPlayer = d_rand() % NumNetPlayerPositions; closest_dist = 0x7fffffff; for (i=0; i<N_players; i++ ) { if ( (i!=Player_num) && (Objects[Players[i].objnum].type == OBJ_PLAYER) ) { dist = find_connected_distance(&Objects[Players[i].objnum].pos, Objects[Players[i].objnum].segnum, &Player_init[NewPlayer].pos, Player_init[NewPlayer].segnum, 15, WID_FLY_FLAG ); // Used to be 5, search up to 15 segments if ( (dist < closest_dist) && (dist >= 0) ) { closest_dist = dist; } } } } while ( (closest_dist<i2f(15*20)) && (trys<MAX_PLAYERS*2) ); } else { // If deathmatch and not random, positions were already determined by sync packet reset_player_object(); reset_cruise(); return; } Assert(NewPlayer >= 0); Assert(NewPlayer < NumNetPlayerPositions); ConsoleObject->pos = Player_init[NewPlayer].pos; ConsoleObject->orient = Player_init[NewPlayer].orient; #ifdef NETWORK if ((Game_mode & GM_MULTI) && (Netgame.SpawnStyle == SPAWN_STYLE_PREVIEW) && Dead_player_camera != NULL) { ConsoleObject->orient = Dead_player_camera->orient; Dead_player_camera = NULL; } #endif obj_relink(ConsoleObject-Objects,Player_init[NewPlayer].segnum); reset_player_object(); reset_cruise(); }
//sets the player facing curseg/curside, normal to face0 of curside, and //far enough away to see all of curside int SetPlayerFromCursegMinusOne() { vms_vector view_vec,view_vec2,side_center; vms_vector corner_v[4]; vms_vector upvec; g3s_point corner_p[4]; int i; fix max,view_dist=f1_0*10; static int edgenum=0; int newseg; view_vec = Cursegp->sides[Curside].normals[0]; vm_vec_negate(&view_vec); compute_center_point_on_side(&side_center,Cursegp,Curside); vm_vec_copy_scale(&view_vec2,&view_vec,view_dist); vm_vec_sub(&ConsoleObject->pos,&side_center,&view_vec2); vm_vec_sub(&upvec, &Vertices[Cursegp->verts[Side_to_verts[Curside][edgenum%4]]], &Vertices[Cursegp->verts[Side_to_verts[Curside][(edgenum+3)%4]]]); edgenum++; vm_vector_2_matrix(&ConsoleObject->orient,&view_vec,&upvec,NULL); gr_set_current_canvas(Canv_editor_game); g3_start_frame(); g3_set_view_matrix(&ConsoleObject->pos,&ConsoleObject->orient,Render_zoom); for (i=max=0;i<4;i++) { corner_v[i] = Vertices[Cursegp->verts[Side_to_verts[Curside][i]]]; g3_rotate_point(&corner_p[i],&corner_v[i]); if (labs(corner_p[i].p3_x) > max) max = labs(corner_p[i].p3_x); if (labs(corner_p[i].p3_y) > max) max = labs(corner_p[i].p3_y); } view_dist = fixmul(view_dist,fixdiv(fixdiv(max,SIDE_VIEW_FRAC),corner_p[0].p3_z)); vm_vec_copy_scale(&view_vec2,&view_vec,view_dist); vm_vec_sub(&ConsoleObject->pos,&side_center,&view_vec2); //obj_relink(ConsoleObject-Objects, SEG_PTR_2_NUM(Cursegp) ); //update_object_seg(ConsoleObject); //might have backed right out of curseg newseg = find_point_seg(&ConsoleObject->pos,SEG_PTR_2_NUM(Cursegp) ); if (newseg != -1) obj_relink(ConsoleObject-Objects,newseg); Update_flags |= UF_ED_STATE_CHANGED | UF_GAME_VIEW_CHANGED; return 1; }
//initialize the player object position & orientation (at start of game, or new ship) void InitPlayerPosition(int random) { int NewPlayer=0; if (! ((Game_mode & GM_MULTI) && !(Game_mode&GM_MULTI_COOP)) ) // If not deathmatch NewPlayer = Player_num; #ifdef NETWORK else if (random == 1) { int i, closest = -1, trys=0; fix closest_dist = 0x7ffffff, dist; d_srand(clock()); do { trys++; NewPlayer = d_rand() % NumNetPlayerPositions; closest = -1; closest_dist = 0x7fffffff; for (i=0; i<N_players; i++ ) { if ( (i!=Player_num) && (Objects[Players[i].objnum].type == OBJ_PLAYER) ) { dist = find_connected_distance(&Objects[Players[i].objnum].pos, Objects[Players[i].objnum].segnum, &Player_init[NewPlayer].pos, Player_init[NewPlayer].segnum, 5, WID_FLY_FLAG ); if ( (dist < closest_dist) && (dist >= 0) ) { closest_dist = dist; closest = i; } } } } while ( (closest_dist<i2f(10*20)) && (trys<MAX_NUM_NET_PLAYERS*2) ); } #endif else { goto done; // If deathmatch and not random, positions were already determined by sync packet } Assert(NewPlayer >= 0); Assert(NewPlayer < NumNetPlayerPositions); ConsoleObject->pos = Player_init[NewPlayer].pos; ConsoleObject->orient = Player_init[NewPlayer].orient; obj_relink(ConsoleObject-Objects,Player_init[NewPlayer].segnum); done: reset_player_object(); reset_cruise(); }
void move_player_2_segment_and_rotate(segment *seg,int side) { vms_vector vp; vms_vector upvec; static int edgenum=0; compute_segment_center(&ConsoleObject->pos,seg); compute_center_point_on_side(&vp,seg,side); vm_vec_sub2(&vp,&ConsoleObject->pos); vm_vec_sub(&upvec, &Vertices[Cursegp->verts[Side_to_verts[Curside][edgenum%4]]], &Vertices[Cursegp->verts[Side_to_verts[Curside][(edgenum+3)%4]]]); edgenum++; vm_vector_2_matrix(&ConsoleObject->orient,&vp,&upvec,NULL); // vm_vector_2_matrix(&ConsoleObject->orient,&vp,NULL,NULL); obj_relink( ConsoleObject-Objects, SEG_PTR_2_NUM(seg) ); }
static void move_object_to_position(const vobjptridx_t objp, const vms_vector &newpos) { if (get_seg_masks(newpos, vcsegptr(objp->segnum), objp->size).facemask == 0) { objp->pos = newpos; } else { if (verify_object_seg(objp, newpos)) { int fate; object temp_viewer_obj; fvi_query fq; fvi_info hit_info; temp_viewer_obj = *Viewer; auto viewer_segnum = find_object_seg(vobjptr(Viewer)); temp_viewer_obj.segnum = viewer_segnum; // If the viewer is outside the mine, get him in the mine! if (viewer_segnum == segment_none) { editor_status("Unable to move object, viewer not in mine. Aborting"); return; #if 0 vms_vector last_outside_pos; // While outside mine, move towards object count = 0; while (viewer_segnum == segment_none) { vms_vector temp_vec; last_outside_pos = temp_viewer_obj.pos; vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, newpos); temp_viewer_obj.pos = temp_vec; viewer_segnum = find_object_seg(&temp_viewer_obj); temp_viewer_obj.segnum = viewer_segnum; if (count > 5) { editor_status("Unable to move object, can't get viewer in mine. Aborting"); return; } } count = 0; // While inside mine, move away from object. while (viewer_segnum != segment_none) { vms_vector temp_vec; vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, &last_outside_pos); temp_viewer_obj.pos = temp_vec; update_object_seg(&temp_viewer_obj); viewer_segnum = find_object_seg(&temp_viewer_obj); temp_viewer_obj.segnum = viewer_segnum; if (count > 5) { editor_status("Unable to move object, can't get viewer back out of mine. Aborting"); return; } } #endif } fq.p0 = &temp_viewer_obj.pos; fq.startseg = temp_viewer_obj.segnum; fq.p1 = &newpos; fq.rad = temp_viewer_obj.size; fq.thisobjnum = object_none; fq.ignore_obj_list.first = nullptr; fq.flags = 0; fate = find_vector_intersection(fq, hit_info); if (fate == HIT_WALL) { objp->pos = hit_info.hit_pnt; const auto &&segp = find_object_seg(objp); if (segp != segment_none) obj_relink(objp, segp); } else { editor_status("Attempted to move object out of mine. Object not moved."); } } } Update_flags |= UF_WORLD_CHANGED; }
// ----------------------------------------------------------------------------------------------------------- //Simulate a physics object for this frame void do_physics_sim(object *obj) { int ignore_obj_list[MAX_IGNORE_OBJS],n_ignore_objs; int iseg; int try_again; int fate=0; vms_vector frame_vec; //movement in this frame vms_vector new_pos,ipos; //position after this frame int count=0; int objnum; int WallHitSeg, WallHitSide; fvi_info hit_info; fvi_query fq; vms_vector save_pos; int save_seg; fix drag; fix sim_time; vms_vector start_pos; int obj_stopped=0; fix moved_time; //how long objected moved before hit something physics_info *pi; int orig_segnum = obj->segnum; fix PhysTime = (FrameTime<F1_0/30?F1_0/30:FrameTime); Assert(obj->movement_type == MT_PHYSICS); #ifndef NDEBUG if (Dont_move_ai_objects) if (obj->control_type == CT_AI) return; #endif pi = &obj->mtype.phys_info; do_physics_sim_rot(obj); if (!(pi->velocity.x || pi->velocity.y || pi->velocity.z || pi->thrust.x || pi->thrust.y || pi->thrust.z)) return; objnum = obj-Objects; n_phys_segs = 0; /* As this engine was not designed for that high FPS as we intend, we use F1_0/30 max. for sim_time to ensure scaling and dot products stay accurate and reliable. The object position intended for this frame will be scaled down later, after the main collision-loop is done. This won't make collision results be equal in all FPS settings, but hopefully more accurate, the higher our FPS are. */ sim_time = PhysTime; //FrameTime; //debug_obj = obj; #ifdef EXTRA_DEBUG //check for correct object segment if(!get_seg_masks(&obj->pos,obj->segnum,0,__FILE__,__LINE__).centermask==0) { //Int3(); Removed by Rob 10/5/94 if (!update_object_seg(obj)) { if (!(Game_mode & GM_MULTI)) Int3(); compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } } #endif start_pos = obj->pos; n_ignore_objs = 0; Assert(obj->mtype.phys_info.brakes==0); //brakes not used anymore? //if uses thrust, cannot have zero drag Assert(!(obj->mtype.phys_info.flags&PF_USES_THRUST) || obj->mtype.phys_info.drag!=0); //do thrust & drag // NOTE: this always must be dependent on FrameTime, if sim_time differs! if ((drag = obj->mtype.phys_info.drag) != 0) { int count; vms_vector accel; fix r,k,have_accel; count = FrameTime / FT; r = FrameTime % FT; k = fixdiv(r,FT); if (obj->mtype.phys_info.flags & PF_USES_THRUST) { vm_vec_copy_scale(&accel,&obj->mtype.phys_info.thrust,fixdiv(f1_0,obj->mtype.phys_info.mass)); have_accel = (accel.x || accel.y || accel.z); while (count--) { if (have_accel) vm_vec_add2(&obj->mtype.phys_info.velocity,&accel); vm_vec_scale(&obj->mtype.phys_info.velocity,f1_0-drag); } //do linear scale on remaining bit of time vm_vec_scale_add2(&obj->mtype.phys_info.velocity,&accel,k); if (drag) vm_vec_scale(&obj->mtype.phys_info.velocity,f1_0-fixmul(k,drag)); } else if (drag) { fix total_drag=f1_0; while (count--) total_drag = fixmul(total_drag,f1_0-drag); //do linear scale on remaining bit of time total_drag = fixmul(total_drag,f1_0-fixmul(k,drag)); vm_vec_scale(&obj->mtype.phys_info.velocity,total_drag); } } do { try_again = 0; //Move the object vm_vec_copy_scale(&frame_vec, &obj->mtype.phys_info.velocity, sim_time); if ( (frame_vec.x==0) && (frame_vec.y==0) && (frame_vec.z==0) ) break; count++; // If retry count is getting large, then we are trying to do something stupid. if (count > 8) break; // in original code this was 3 for all non-player objects. still leave us some limit in case fvi goes apeshit. vm_vec_add(&new_pos,&obj->pos,&frame_vec); ignore_obj_list[n_ignore_objs] = -1; fq.p0 = &obj->pos; fq.startseg = obj->segnum; fq.p1 = &new_pos; fq.rad = obj->size; fq.thisobjnum = objnum; fq.ignore_obj_list = ignore_obj_list; fq.flags = FQ_CHECK_OBJS; if (obj->type == OBJ_WEAPON) fq.flags |= FQ_TRANSPOINT; if (obj->type == OBJ_PLAYER) fq.flags |= FQ_GET_SEGLIST; fate = find_vector_intersection(&fq,&hit_info); // Matt: Mike's hack. if (fate == HIT_OBJECT) { object *objp = &Objects[hit_info.hit_object]; if (((objp->type == OBJ_WEAPON) && (objp->id == PROXIMITY_ID)) || objp->type == OBJ_POWERUP) // do not increase count for powerups since they *should* not change our movement count--; } #ifndef NDEBUG if (fate == HIT_BAD_P0) { Int3(); } #endif if (obj->type == OBJ_PLAYER) { int i; if (n_phys_segs && phys_seglist[n_phys_segs-1]==hit_info.seglist[0]) n_phys_segs--; for (i=0;(i<hit_info.n_segs) && (n_phys_segs<MAX_FVI_SEGS-1); ) phys_seglist[n_phys_segs++] = hit_info.seglist[i++]; } ipos = hit_info.hit_pnt; iseg = hit_info.hit_seg; WallHitSide = hit_info.hit_side; WallHitSeg = hit_info.hit_side_seg; if (iseg==-1) { //some sort of horrible error if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; break; } Assert(!((fate==HIT_WALL) && ((WallHitSeg == -1) || (WallHitSeg > Highest_segment_index)))); //if(!get_seg_masks(&hit_info.hit_pnt,hit_info.hit_seg,0).centermask==0) // Int3(); save_pos = obj->pos; //save the object's position save_seg = obj->segnum; // update object's position and segment number obj->pos = ipos; if ( iseg != obj->segnum ) obj_relink(objnum, iseg ); //if start point not in segment, move object to center of segment if (get_seg_masks(&obj->pos,obj->segnum,0,__FILE__,__LINE__).centermask!=0) { int n; if ((n=find_object_seg(obj))==-1) { //Int3(); if (obj->type==OBJ_PLAYER && (n=find_point_seg(&obj->last_pos,obj->segnum))!=-1) { obj->pos = obj->last_pos; obj_relink(objnum, n ); } else { compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; } return; } //calulate new sim time { //vms_vector moved_vec; vms_vector moved_vec_n; fix attempted_dist,actual_dist; actual_dist = vm_vec_normalized_dir(&moved_vec_n,&obj->pos,&save_pos); if (fate==HIT_WALL && vm_vec_dot(&moved_vec_n,&frame_vec) < 0) { //moved backwards //don't change position or sim_time obj->pos = save_pos; //iseg = obj->segnum; //don't change segment obj_relink(objnum, save_seg ); moved_time = 0; } else { fix old_sim_time; attempted_dist = vm_vec_mag(&frame_vec); old_sim_time = sim_time; sim_time = fixmuldiv(sim_time,attempted_dist-actual_dist,attempted_dist); moved_time = old_sim_time - sim_time; if (sim_time < 0 || sim_time>old_sim_time) { sim_time = old_sim_time; //WHY DOES THIS HAPPEN?? moved_time = 0; } } } switch( fate ) { case HIT_WALL: { vms_vector moved_v; fix hit_speed=0, wall_part=0; // Find hit speed vm_vec_sub(&moved_v,&obj->pos,&save_pos); wall_part = vm_vec_dot(&moved_v,&hit_info.hit_wallnorm); if ((wall_part != 0 && moved_time>0 && (hit_speed=-fixdiv(wall_part,moved_time))>0) || obj->type == OBJ_WEAPON || obj->type == OBJ_DEBRIS) collide_object_with_wall( obj, hit_speed, WallHitSeg, WallHitSide, &hit_info.hit_pnt ); if (obj->type == OBJ_PLAYER) scrape_player_on_wall(obj, WallHitSeg, WallHitSide, &hit_info.hit_pnt ); Assert( WallHitSeg > -1 ); Assert( WallHitSide > -1 ); if ( !(obj->flags&OF_SHOULD_BE_DEAD) ) { Assert(! (obj->mtype.phys_info.flags & PF_STICK && obj->mtype.phys_info.flags & PF_BOUNCE)); //can't be bounce and stick if (obj->mtype.phys_info.flags & PF_STICK) { //stop moving add_stuck_object(obj, WallHitSeg, WallHitSide); vm_vec_zero(&obj->mtype.phys_info.velocity); obj_stopped = 1; try_again = 0; } else { // Slide object along wall //We're constrained by wall, so subtract wall part from //velocity vector wall_part = vm_vec_dot(&hit_info.hit_wallnorm,&obj->mtype.phys_info.velocity); // if wall_part, make sure the value is sane enough to get usable velocity computed if (wall_part < 0 && wall_part > -f1_0) wall_part = -f1_0; if (wall_part > 0 && wall_part < f1_0) wall_part = f1_0; if (obj->mtype.phys_info.flags & PF_BOUNCE) //bounce off wall wall_part *= 2; //Subtract out wall part twice to achieve bounce vm_vec_scale_add2(&obj->mtype.phys_info.velocity,&hit_info.hit_wallnorm,-wall_part); try_again = 1; } } break; } case HIT_OBJECT: { vms_vector old_vel; // Mark the hit object so that on a retry the fvi code // ignores this object. Assert(hit_info.hit_object != -1); // Calculcate the hit point between the two objects. { vms_vector *ppos0, *ppos1, pos_hit; fix size0, size1; ppos0 = &Objects[hit_info.hit_object].pos; ppos1 = &obj->pos; size0 = Objects[hit_info.hit_object].size; size1 = obj->size; Assert(size0+size1 != 0); // Error, both sizes are 0, so how did they collide, anyway?!? //vm_vec_scale(vm_vec_sub(&pos_hit, ppos1, ppos0), fixdiv(size0, size0 + size1)); //vm_vec_add2(&pos_hit, ppos0); vm_vec_sub(&pos_hit, ppos1, ppos0); vm_vec_scale_add(&pos_hit,ppos0,&pos_hit,fixdiv(size0, size0 + size1)); old_vel = obj->mtype.phys_info.velocity; collide_two_objects( obj, &Objects[hit_info.hit_object], &pos_hit); } // Let object continue its movement if ( !(obj->flags&OF_SHOULD_BE_DEAD) ) { //obj->pos = save_pos; if (obj->mtype.phys_info.flags&PF_PERSISTENT || (old_vel.x == obj->mtype.phys_info.velocity.x && old_vel.y == obj->mtype.phys_info.velocity.y && old_vel.z == obj->mtype.phys_info.velocity.z)) { //if (Objects[hit_info.hit_object].type == OBJ_POWERUP) ignore_obj_list[n_ignore_objs++] = hit_info.hit_object; try_again = 1; } } break; } case HIT_NONE: break; #ifndef NDEBUG case HIT_BAD_P0: Int3(); // Unexpected collision type: start point not in specified segment. break; default: // Unknown collision type returned from find_vector_intersection!! Int3(); break; #endif } } while ( try_again ); // Pass retry count info to AI. if (obj->control_type == CT_AI) { if (count > 0) { Ai_local_info[objnum].retry_count = count-1; Total_retries += count-1; Total_sims++; } } // As sim_time may not base on FrameTime, scale actual object position to get accurate movement if (PhysTime/FrameTime > 0) { vms_vector md; vm_vec_sub(&md, &obj->pos, &start_pos); vm_vec_scale(&md, F1_0/((float)PhysTime/FrameTime)); vm_vec_add(&obj->pos,&start_pos, &md); //check for and update correct object segment if(!get_seg_masks(&obj->pos, obj->segnum, 0, __FILE__, __LINE__).centermask == 0) { if (!update_object_seg(obj)) { if (!(Game_mode & GM_MULTI)) Int3(); compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } } } // After collision with objects and walls, set velocity from actual movement if (!obj_stopped && ((obj->type == OBJ_PLAYER) || (obj->type == OBJ_ROBOT) || (obj->type == OBJ_DEBRIS)) && ((fate == HIT_WALL) || (fate == HIT_OBJECT) || (fate == HIT_BAD_P0)) ) { vms_vector moved_vec; vm_vec_sub(&moved_vec,&obj->pos,&start_pos); vm_vec_copy_scale(&obj->mtype.phys_info.velocity,&moved_vec,fixdiv(f1_0,FrameTime)); } fix_illegal_wall_intersection(obj, &start_pos); //Assert(check_point_in_seg(&obj->pos,obj->segnum,0).centermask==0); //if (obj->control_type == CT_FLYING) if (obj->mtype.phys_info.flags & PF_LEVELLING) do_physics_align_object( obj ); //hack to keep player from going through closed doors if (obj->type==OBJ_PLAYER && obj->segnum!=orig_segnum && (!cheats.ghostphysics) ) { int sidenum; sidenum = find_connect_side(&Segments[obj->segnum],&Segments[orig_segnum]); if (sidenum != -1) { if (! (WALL_IS_DOORWAY(&Segments[orig_segnum],sidenum) & WID_FLY_FLAG)) { side *s; int vertnum,num_faces,i; fix dist; int vertex_list[6]; //bump object back s = &Segments[orig_segnum].sides[sidenum]; create_abs_vertex_lists( &num_faces, vertex_list, orig_segnum, sidenum, __FILE__,__LINE__); //let's pretend this wall is not triangulated vertnum = vertex_list[0]; for (i=1;i<4;i++) if (vertex_list[i] < vertnum) vertnum = vertex_list[i]; #ifdef COMPACT_SEGS { vms_vector _vn; get_side_normal(&Segments[orig_segnum], sidenum, 0, &_vn ); dist = vm_dist_to_plane(&start_pos, &_vn, &Vertices[vertnum]); vm_vec_scale_add(&obj->pos,&start_pos,&_vn,obj->size-dist); } #else dist = vm_dist_to_plane(&start_pos, &s->normals[0], &Vertices[vertnum]); vm_vec_scale_add(&obj->pos,&start_pos,&s->normals[0],obj->size-dist); #endif update_object_seg(obj); } } } //--WE ALWYS WANT THIS IN, MATT AND MIKE DECISION ON 12/10/94, TWO MONTHS AFTER FINAL #ifndef NDEBUG //if end point not in segment, move object to last pos, or segment center if (get_seg_masks(&obj->pos,obj->segnum,0,__FILE__,__LINE__).centermask!=0) { if (find_object_seg(obj)==-1) { int n; //Int3(); if (obj->type==OBJ_PLAYER && (n=find_point_seg(&obj->last_pos,obj->segnum))!=-1) { obj->pos = obj->last_pos; obj_relink(objnum, n ); } else { compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; } } //--WE ALWYS WANT THIS IN, MATT AND MIKE DECISION ON 12/10/94, TWO MONTHS AFTER FINAL #endif }
// ----------------------------------------------------------------------------------------------------------- //Simulate a physics object for this frame do_physics_sim(object *obj) { int ignore_obj_list[MAX_IGNORE_OBJS],n_ignore_objs; int iseg; int try_again; int fate; vms_vector frame_vec; //movement in this frame vms_vector new_pos,ipos; //position after this frame int count=0; int objnum; int WallHitSeg, WallHitSide; fvi_info hit_info; fvi_query fq; vms_vector save_pos; int save_seg; fix drag; fix sim_time; vms_vector start_pos; int obj_stopped=0; fix moved_time; //how long objected moved before hit something vms_vector save_p0,save_p1; physics_info *pi; int orig_segnum = obj->segnum; Assert(obj->type != OBJ_NONE); Assert(obj->movement_type == MT_PHYSICS); #ifndef NDEBUG if (Dont_move_ai_objects) if (obj->control_type == CT_AI) return; #endif pi = &obj->mtype.phys_info; do_physics_sim_rot(obj); if (!(pi->velocity.x || pi->velocity.y || pi->velocity.z || pi->thrust.x || pi->thrust.y || pi->thrust.z)) return; objnum = obj-Objects; n_phys_segs = 0; disable_new_fvi_stuff = (obj->type != OBJ_PLAYER); sim_time = FrameTime; //debug_obj = obj; #ifdef EXTRA_DEBUG if (obj == debug_obj) { printf("object %d:\n start pos = %x %x %x\n",objnum,XYZ(&obj->pos)); printf(" thrust = %x %x %x\n",XYZ(&obj->mtype.phys_info.thrust)); printf(" sim_time = %x\n",sim_time); } //check for correct object segment if(!get_seg_masks(&obj->pos,obj->segnum,0).centermask==0) { #ifndef NDEBUG mprintf((0,"Warning: object %d not in given seg!\n",objnum)); #endif //Int3(); Removed by Rob 10/5/94 if (!update_object_seg(obj)) { #ifndef NDEBUG mprintf((0,"Warning: can't find seg for object %d - moving\n",objnum)); #endif if (!(Game_mode & GM_MULTI)) Int3(); compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } } #endif start_pos = obj->pos; n_ignore_objs = 0; Assert(obj->mtype.phys_info.brakes==0); //brakes not used anymore? //if uses thrust, cannot have zero drag Assert(!(obj->mtype.phys_info.flags&PF_USES_THRUST) || obj->mtype.phys_info.drag!=0); //mprintf((0,"thrust=%x speed=%x\n",vm_vec_mag(&obj->mtype.phys_info.thrust),vm_vec_mag(&obj->mtype.phys_info.velocity))); //do thrust & drag if ((drag = obj->mtype.phys_info.drag) != 0) { int count; vms_vector accel; fix r,k; count = sim_time / FT; r = sim_time % FT; k = fixdiv(r,FT); if (obj->mtype.phys_info.flags & PF_USES_THRUST) { vm_vec_copy_scale(&accel,&obj->mtype.phys_info.thrust,fixdiv(f1_0,obj->mtype.phys_info.mass)); while (count--) { vm_vec_add2(&obj->mtype.phys_info.velocity,&accel); vm_vec_scale(&obj->mtype.phys_info.velocity,f1_0-drag); } //do linear scale on remaining bit of time vm_vec_scale_add2(&obj->mtype.phys_info.velocity,&accel,k); vm_vec_scale(&obj->mtype.phys_info.velocity,f1_0-fixmul(k,drag)); } else { fix total_drag=f1_0; while (count--) total_drag = fixmul(total_drag,f1_0-drag); //do linear scale on remaining bit of time total_drag = fixmul(total_drag,f1_0-fixmul(k,drag)); vm_vec_scale(&obj->mtype.phys_info.velocity,total_drag); } } #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" velocity = %x %x %x\n",XYZ(&obj->mtype.phys_info.velocity)); #endif do { try_again = 0; //Move the object vm_vec_copy_scale(&frame_vec, &obj->mtype.phys_info.velocity, sim_time); #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" pass %d, frame_vec = %x %x %x\n",count,XYZ(&frame_vec)); #endif if ( (frame_vec.x==0) && (frame_vec.y==0) && (frame_vec.z==0) ) break; count++; // If retry count is getting large, then we are trying to do something stupid. if ( count > 3) { if (obj->type == OBJ_PLAYER) { if (count > 8) break; } else break; } vm_vec_add(&new_pos,&obj->pos,&frame_vec); #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" desired_pos = %x %x %x\n",XYZ(&new_pos)); #endif ignore_obj_list[n_ignore_objs] = -1; #ifdef EXTRA_DEBUG if (obj == debug_obj) { printf(" FVI parms: p0 = %8x %8x %8x, segnum=%x, size=%x\n",XYZ(&obj->pos),obj->segnum,obj->size); printf(" p1 = %8x %8x %8x\n",XYZ(&new_pos)); } #endif fq.p0 = &obj->pos; fq.startseg = obj->segnum; fq.p1 = &new_pos; fq.rad = obj->size; fq.thisobjnum = objnum; fq.ignore_obj_list = ignore_obj_list; fq.flags = FQ_CHECK_OBJS; if (obj->type == OBJ_WEAPON) fq.flags |= FQ_TRANSPOINT; if (obj->type == OBJ_PLAYER) fq.flags |= FQ_GET_SEGLIST; //@@ if (get_seg_masks(&obj->pos,obj->segnum,0).centermask!=0) //@@ Int3(); save_p0 = *fq.p0; save_p1 = *fq.p1; fate = find_vector_intersection(&fq,&hit_info); // Matt: Mike's hack. if (fate == HIT_OBJECT) { object *objp = &Objects[hit_info.hit_object]; if ((objp->type == OBJ_WEAPON) && (objp->id == PROXIMITY_ID)) count--; } #ifndef NDEBUG if (fate == HIT_BAD_P0) { mprintf((0,"Warning: Bad p0 in physics! Object = %i, type = %i [%s]\n", obj-Objects, obj->type, Object_type_names[obj->type])); Int3(); } #endif if (obj->type == OBJ_PLAYER) { int i; if (n_phys_segs && phys_seglist[n_phys_segs-1]==hit_info.seglist[0]) n_phys_segs--; for (i=0;(i<hit_info.n_segs) && (n_phys_segs<MAX_FVI_SEGS-1); ) phys_seglist[n_phys_segs++] = hit_info.seglist[i++]; } #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" fate = %d, hit_pnt = %8x %8x %8x\n",fate,XYZ(&hit_info.hit_pnt));; #endif ipos = hit_info.hit_pnt; iseg = hit_info.hit_seg; WallHitSide = hit_info.hit_side; WallHitSeg = hit_info.hit_side_seg; if (iseg==-1) { //some sort of horrible error #ifndef NDEBUG mprintf((1,"iseg==-1 in physics! Object = %i, type = %i (%s)\n", obj-Objects, obj->type, Object_type_names[obj->type])); #endif //Int3(); //compute_segment_center(&ipos,&Segments[obj->segnum]); //ipos.x += objnum; //iseg = obj->segnum; //fate = HIT_NONE; if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; break; } Assert(!((fate==HIT_WALL) && ((WallHitSeg == -1) || (WallHitSeg > Highest_segment_index)))); //if(!get_seg_masks(&hit_info.hit_pnt,hit_info.hit_seg,0).centermask==0) // Int3(); save_pos = obj->pos; //save the object's position save_seg = obj->segnum; // update object's position and segment number obj->pos = ipos; #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" new pos = %x %x %x\n",XYZ(&obj->pos)); #endif if ( iseg != obj->segnum ) obj_relink(objnum, iseg ); //if start point not in segment, move object to center of segment if (get_seg_masks(&obj->pos,obj->segnum,0).centermask!=0) { int n; if ((n=find_object_seg(obj))==-1) { //Int3(); if (obj->type==OBJ_PLAYER && (n=find_point_seg(&obj->last_pos,obj->segnum))!=-1) { obj->pos = obj->last_pos; obj_relink(objnum, n ); } else { compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; } return; } //calulate new sim time { //vms_vector moved_vec; vms_vector moved_vec_n; fix attempted_dist,actual_dist; actual_dist = vm_vec_normalized_dir(&moved_vec_n,&obj->pos,&save_pos); if (fate==HIT_WALL && vm_vec_dot(&moved_vec_n,&frame_vec) < 0) { //moved backwards //don't change position or sim_time //******* mprintf((0,"Obj %d moved backwards\n",obj-Objects)); #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" Warning: moved backwards!\n"); #endif obj->pos = save_pos; //iseg = obj->segnum; //don't change segment obj_relink(objnum, save_seg ); moved_time = 0; } else { fix old_sim_time; //if (obj == debug_obj) // printf(" moved_vec = %x %x %x\n",XYZ(&moved_vec)); attempted_dist = vm_vec_mag(&frame_vec); old_sim_time = sim_time; sim_time = fixmuldiv(sim_time,attempted_dist-actual_dist,attempted_dist); moved_time = old_sim_time - sim_time; if (sim_time < 0 || sim_time>old_sim_time) { #ifndef NDEBUG mprintf((0,"Bogus sim_time = %x, old = %x\n",sim_time,old_sim_time)); if (obj == debug_obj) printf(" Bogus sim_time = %x, old = %x, attempted_dist = %x, actual_dist = %x\n",sim_time,old_sim_time,attempted_dist,actual_dist); //Int3(); Removed by Rob #endif sim_time = old_sim_time; //WHY DOES THIS HAPPEN?? moved_time = 0; } } #ifdef EXTRA_DEBUG if (obj == debug_obj) printf(" new sim_time = %x\n",sim_time); #endif } switch( fate ) { case HIT_WALL: { vms_vector moved_v; //@@fix total_d,moved_d; fix hit_speed,wall_part; // Find hit speed vm_vec_sub(&moved_v,&obj->pos,&save_pos); wall_part = vm_vec_dot(&moved_v,&hit_info.hit_wallnorm); if (wall_part != 0 && moved_time>0 && (hit_speed=-fixdiv(wall_part,moved_time))>0) collide_object_with_wall( obj, hit_speed, WallHitSeg, WallHitSide, &hit_info.hit_pnt ); else scrape_object_on_wall(obj, WallHitSeg, WallHitSide, &hit_info.hit_pnt ); Assert( WallHitSeg > -1 ); Assert( WallHitSide > -1 ); if ( !(obj->flags&OF_SHOULD_BE_DEAD) ) { Assert(! (obj->mtype.phys_info.flags & PF_STICK && obj->mtype.phys_info.flags & PF_BOUNCE)); //can't be bounce and stick if (obj->mtype.phys_info.flags & PF_STICK) { //stop moving // mprintf((0, "Object %i stuck at %i:%i\n", obj-Objects, WallHitSeg, WallHitSide)); add_stuck_object(obj, WallHitSeg, WallHitSide); vm_vec_zero(&obj->mtype.phys_info.velocity); obj_stopped = 1; try_again = 0; } else { // Slide object along wall //We're constrained by wall, so subtract wall part from //velocity vector wall_part = vm_vec_dot(&hit_info.hit_wallnorm,&obj->mtype.phys_info.velocity); if (obj->mtype.phys_info.flags & PF_BOUNCE) //bounce off wall wall_part *= 2; //Subtract out wall part twice to achieve bounce vm_vec_scale_add2(&obj->mtype.phys_info.velocity,&hit_info.hit_wallnorm,-wall_part); #ifdef EXTRA_DEBUG if (obj == debug_obj) { printf(" sliding - wall_norm %x %x %x\n",wall_part,XYZ(&hit_info.hit_wallnorm)); printf(" wall_part %x, new velocity = %x %x %x\n",wall_part,XYZ(&obj->mtype.phys_info.velocity)); } #endif try_again = 1; } } break; } case HIT_OBJECT: { vms_vector old_vel; // Mark the hit object so that on a retry the fvi code // ignores this object. Assert(hit_info.hit_object != -1); // Calculcate the hit point between the two objects. { vms_vector *ppos0, *ppos1, pos_hit; fix size0, size1; ppos0 = &Objects[hit_info.hit_object].pos; ppos1 = &obj->pos; size0 = Objects[hit_info.hit_object].size; size1 = obj->size; Assert(size0+size1 != 0); // Error, both sizes are 0, so how did they collide, anyway?!? //vm_vec_scale(vm_vec_sub(&pos_hit, ppos1, ppos0), fixdiv(size0, size0 + size1)); //vm_vec_add2(&pos_hit, ppos0); vm_vec_sub(&pos_hit, ppos1, ppos0); vm_vec_scale_add(&pos_hit,ppos0,&pos_hit,fixdiv(size0, size0 + size1)); old_vel = obj->mtype.phys_info.velocity; collide_two_objects( obj, &Objects[hit_info.hit_object], &pos_hit); } // Let object continue its movement if ( !(obj->flags&OF_SHOULD_BE_DEAD) ) { //obj->pos = save_pos; if (obj->mtype.phys_info.flags&PF_PERSISTENT || (old_vel.x == obj->mtype.phys_info.velocity.x && old_vel.y == obj->mtype.phys_info.velocity.y && old_vel.z == obj->mtype.phys_info.velocity.z)) { //if (Objects[hit_info.hit_object].type == OBJ_POWERUP) ignore_obj_list[n_ignore_objs++] = hit_info.hit_object; try_again = 1; } } break; } case HIT_NONE: break; #ifndef NDEBUG case HIT_BAD_P0: Int3(); // Unexpected collision type: start point not in specified segment. mprintf((0,"Warning: Bad p0 in physics!!!\n")); break; default: // Unknown collision type returned from find_vector_intersection!! Int3(); break; #endif } } while ( try_again ); // Pass retry count info to AI. if (obj->control_type == CT_AI) { if (count > 0) { Ai_local_info[objnum].retry_count = count-1; Total_retries += count-1; Total_sims++; } } if (! obj_stopped) { //Set velocity from actual movement vms_vector moved_vec; vm_vec_sub(&moved_vec,&obj->pos,&start_pos); vm_vec_copy_scale(&obj->mtype.phys_info.velocity,&moved_vec,fixdiv(f1_0,FrameTime)); #ifdef BUMP_HACK if (obj==ConsoleObject && (obj->mtype.phys_info.velocity.x==0 && obj->mtype.phys_info.velocity.y==0 && obj->mtype.phys_info.velocity.z==0) && !(obj->mtype.phys_info.thrust.x==0 && obj->mtype.phys_info.thrust.y==0 && obj->mtype.phys_info.thrust.z==0)) { vms_vector center,bump_vec; //bump player a little towards center of segment to unstick compute_segment_center(¢er,&Segments[obj->segnum]); vm_vec_normalized_dir_quick(&bump_vec,¢er,&obj->pos); vm_vec_scale_add2(&obj->pos,&bump_vec,obj->size/5); } #endif } //Assert(check_point_in_seg(&obj->pos,obj->segnum,0).centermask==0); //if (obj->control_type == CT_FLYING) if (obj->mtype.phys_info.flags & PF_LEVELLING) do_physics_align_object( obj ); //hack to keep player from going through closed doors if (obj->type==OBJ_PLAYER && obj->segnum!=orig_segnum && (Physics_cheat_flag!=0xBADA55) ) { int sidenum; sidenum = find_connect_side(&Segments[obj->segnum],&Segments[orig_segnum]); if (sidenum != -1) { if (! (WALL_IS_DOORWAY(&Segments[orig_segnum],sidenum) & WID_FLY_FLAG)) { side *s; int vertnum,num_faces,i; fix dist; int vertex_list[6]; //bump object back s = &Segments[orig_segnum].sides[sidenum]; create_abs_vertex_lists( &num_faces, vertex_list, orig_segnum, sidenum); //let's pretend this wall is not triangulated vertnum = vertex_list[0]; for (i=1;i<4;i++) if (vertex_list[i] < vertnum) vertnum = vertex_list[i]; #ifdef COMPACT_SEGS { vms_vector _vn; get_side_normal(&Segments[orig_segnum], sidenum, 0, &_vn ); dist = vm_dist_to_plane(&start_pos, &_vn, &Vertices[vertnum]); vm_vec_scale_add(&obj->pos,&start_pos,&_vn,obj->size-dist); } #else dist = vm_dist_to_plane(&start_pos, &s->normals[0], &Vertices[vertnum]); vm_vec_scale_add(&obj->pos,&start_pos,&s->normals[0],obj->size-dist); #endif update_object_seg(obj); } } } //--WE ALWYS WANT THIS IN, MATT AND MIKE DECISION ON 12/10/94, TWO MONTHS AFTER FINAL #ifndef NDEBUG //if end point not in segment, move object to last pos, or segment center if (get_seg_masks(&obj->pos,obj->segnum,0).centermask!=0) { if (find_object_seg(obj)==-1) { int n; //Int3(); if (obj->type==OBJ_PLAYER && (n=find_point_seg(&obj->last_pos,obj->segnum))!=-1) { obj->pos = obj->last_pos; obj_relink(objnum, n ); } else { compute_segment_center(&obj->pos,&Segments[obj->segnum]); obj->pos.x += objnum; } if (obj->type == OBJ_WEAPON) obj->flags |= OF_SHOULD_BE_DEAD; } } //--WE ALWYS WANT THIS IN, MATT AND MIKE DECISION ON 12/10/94, TWO MONTHS AFTER FINAL #endif }
void move_object_to_position(int objnum, vms_vector *newpos) { object *objp = &Objects[objnum]; segmasks result = get_seg_masks(newpos, objp->segnum, objp->size); if (result.facemask == 0) { //mprintf((0, "Object #%i moved from (%7.3f %7.3f %7.3f) to (%7.3f %7.3f %7.3f)\n", objnum, f2fl(objp->pos.x), f2fl(objp->pos.y), f2fl(objp->pos.z), f2fl(newpos->x), f2fl(newpos->y), f2fl(newpos->z))); objp->pos = *newpos; } else { if (verify_object_seg(&Objects[objnum], newpos)) { int fate, count; int viewer_segnum; object temp_viewer_obj; fvi_query fq; fvi_info hit_info; vms_vector last_outside_pos; vms_vector last_inside_pos; temp_viewer_obj = *Viewer; viewer_segnum = find_object_seg(&temp_viewer_obj); temp_viewer_obj.segnum = viewer_segnum; // If the viewer is outside the mine, get him in the mine! if (viewer_segnum == -1) { // While outside mine, move towards object count = 0; while (viewer_segnum == -1) { vms_vector temp_vec; //mprintf((0, "[towards %7.3f %7.3f %7.3f]\n", f2fl(temp_viewer_obj.pos.x), f2fl(temp_viewer_obj.pos.y), f2fl(temp_viewer_obj.pos.z))); last_outside_pos = temp_viewer_obj.pos; vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, newpos); temp_viewer_obj.pos = temp_vec; viewer_segnum = find_object_seg(&temp_viewer_obj); temp_viewer_obj.segnum = viewer_segnum; if (count > 5) { editor_status("Unable to move object, can't get viewer in mine. Aborting"); return; } } count = 0; // While inside mine, move away from object. while (viewer_segnum != -1) { vms_vector temp_vec; //mprintf((0, "[away %7.3f %7.3f %7.3f]\n", f2fl(temp_viewer_obj.pos.x), f2fl(temp_viewer_obj.pos.y), f2fl(temp_viewer_obj.pos.z))); last_inside_pos = temp_viewer_obj.pos; vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, &last_outside_pos); temp_viewer_obj.pos = temp_vec; update_object_seg(&temp_viewer_obj); viewer_segnum = find_object_seg(&temp_viewer_obj); temp_viewer_obj.segnum = viewer_segnum; if (count > 5) { editor_status("Unable to move object, can't get viewer back out of mine. Aborting"); return; } } } fq.p0 = &temp_viewer_obj.pos; fq.startseg = temp_viewer_obj.segnum; fq.p1 = newpos; fq.rad = temp_viewer_obj.size; fq.thisobjnum = -1; fq.ignore_obj_list = NULL; fq.flags = 0; fate = find_vector_intersection(&fq,&hit_info); if (fate == HIT_WALL) { int new_segnum; //mprintf((0, "Hit wall seg:side = %i:%i, point = (%7.3f %7.3f %7.3f)\n", hit_info.hit_seg, hit_info.hit_side, f2fl(hit_info.hit_pnt.x), f2fl(hit_info.hit_pnt.y), f2fl(hit_info.hit_pnt.z))); objp->pos = hit_info.hit_pnt; new_segnum = find_object_seg(objp); Assert(new_segnum != -1); obj_relink(objp-Objects, new_segnum); //mprintf((0, "Object moved from segment %i to %i\n", old_segnum, objp->segnum)); } else { editor_status("Attempted to move object out of mine. Object not moved."); //mprintf((0,"Attempted to move object out of mine. Object not moved.")); } } } Update_flags |= UF_WORLD_CHANGED; }
//initialize the player object position & orientation (at start of game, or new ship) InitPlayerPosition(int random) { int NewPlayer; if (! ((Game_mode & GM_MULTI) && !(Game_mode&GM_MULTI_COOP)) ) // If not deathmatch NewPlayer = Player_num; #ifdef NETWORK else if (random == 1) { int i, closest = -1, trys=0; fix closest_dist = 0x7ffffff, dist; srand(clock()); #ifndef NDEBUG if (NumNetPlayerPositions != MAX_NUM_NET_PLAYERS) { mprintf((1, "WARNING: There are only %d start positions!\n")); //Int3(); } #endif do { if (trys > 0) { mprintf((0, "Can't start in location %d because its too close to player %d\n", NewPlayer, closest )); } trys++; NewPlayer = rand() % NumNetPlayerPositions; closest = -1; closest_dist = 0x7fffffff; for (i=0; i<N_players; i++ ) { if ( (i!=Player_num) && (Objects[Players[i].objnum].type == OBJ_PLAYER) ) { dist = find_connected_distance(&Objects[Players[i].objnum].pos, Objects[Players[i].objnum].segnum, &Player_init[NewPlayer].pos, Player_init[NewPlayer].segnum, 5, WID_FLY_FLAG ); // mprintf((0, "Distance from start location %d to player %d is %f.\n", NewPlayer, i, f2fl(dist))); if ( (dist < closest_dist) && (dist >= 0) ) { closest_dist = dist; closest = i; } } } mprintf((0, "Closest from pos %d is %f to plr %d.\n", NewPlayer, f2fl(closest_dist), closest)); } while ( (closest_dist<i2f(10*20)) && (trys<MAX_NUM_NET_PLAYERS*2) ); } #endif else { mprintf((0, "Starting position is not being changed.\n")); goto done; // If deathmatch and not random, positions were already determined by sync packet } Assert(NewPlayer >= 0); Assert(NewPlayer < NumNetPlayerPositions); ConsoleObject->pos = Player_init[NewPlayer].pos; ConsoleObject->orient = Player_init[NewPlayer].orient; mprintf((0, "Re-starting in location %d of %d.\n", NewPlayer+1, NumNetPlayerPositions)); obj_relink(ConsoleObject-Objects,Player_init[NewPlayer].segnum); done: reset_player_object(); reset_cruise(); }
void objfly_move_to_new_segment( object * obj, short newseg, int first_time ) { segment *pseg; int old_object_seg = obj->segnum; if ( newseg != obj->segnum ) obj_relink(obj-Objects, newseg ); pseg = &Segments[obj->segnum]; if ( first_time || obj->segnum != old_object_seg) { //moved into new seg vms_vector curcenter,nextcenter; fix step_size,seg_time; short entry_side,exit_side; //what sides we entry and leave through vms_vector dest_point; //where we are heading (center of exit_side) vms_angvec dest_angles; //where we want to be pointing //find new exit side if ( !first_time ) { entry_side = matt_find_connect_side(obj->segnum,old_object_seg); exit_side = Side_opposite[entry_side]; } //if (first_time) obj->fly_info.ft_mode = FP_FORWARD; if (first_time || entry_side==-1 || (pseg->children[exit_side]==-1) || (obj->fly_info.ft_mode!=FP_FORWARD) ) { int i; vms_vector prefvec,segcenter,sidevec; fix best_val=-f2_0; int best_side; //find exit side if (obj->fly_info.ft_mode == FP_FORWARD) { if (first_time) prefvec = obj->orient.fvec; else prefvec = obj->fly_info.heading; vm_vec_normalize(&prefvec); } else prefvec = obj->orient.vecs[obj->fly_info.ft_mode%3]; if (obj->fly_info.ft_mode >= 3) {prefvec.x = -prefvec.x; prefvec.y = -prefvec.y; prefvec.z = -prefvec.z;} compute_segment_center(&segcenter,pseg); best_side=-1; for (i=MAX_SIDES_PER_SEGMENT;--i >= 0;) { fix d; if (pseg->children[i]!=-1) { compute_center_point_on_side(&sidevec,pseg,i); vm_vec_sub2(&sidevec,&segcenter); vm_vec_normalize(&sidevec); d = vm_vec_dotprod(&sidevec,&prefvec); if (labs(d) < MIN_D) d=0; if (d > best_val || (d==best_val && i==exit_side)) {best_val=d; best_side=i;} } } if (best_val > 0) obj->fly_info.ft_mode = FP_FORWARD; Assert(best_side!=-1); exit_side = best_side; } //update target point & angles compute_center_point_on_side(&dest_point,pseg,exit_side); //update target point and movement points vm_vec_sub(&obj->phys_info.velocity,&dest_point,&obj->pos); step_size = vm_vec_normalize(&obj->phys_info.velocity); vm_vec_scale(&obj->phys_info.velocity, obj->phys_info.speed); compute_segment_center(&curcenter,pseg); compute_segment_center(&nextcenter,&Segments[pseg->children[exit_side]]); vm_vec_sub(&obj->fly_info.heading,&nextcenter,&curcenter); angles_from_vector(&dest_angles,&obj->fly_info.heading); //extract angles if (first_time) angles_from_vector(&obj->phys_info.rotvel,&obj->orient.fvec); seg_time = fixdiv(step_size,obj->phys_info.speed); //how long through seg if (seg_time) { obj->fly_info.angle_step.p = fixdiv(delta_ang(obj->phys_info.rotvel.p,dest_angles.p),seg_time); obj->fly_info.angle_step.b = fixdiv(delta_ang(obj->phys_info.rotvel.b,dest_angles.b),seg_time); obj->fly_info.angle_step.h = fixdiv(delta_ang(obj->phys_info.rotvel.h,dest_angles.h),seg_time); } else { obj->phys_info.rotvel = dest_angles; obj->fly_info.angle_step.p = obj->fly_info.angle_step.b = obj->fly_info.angle_step.h = 0; } } }