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/*
* COPYRIGHT
*
* pcb-rnd, interactive printed circuit board design
* Copyright (C) 2021 Tibor 'Igor2' Palinkas
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Contact:
* Project page: http://repo.hu/projects/pcb-rnd
* lead developer: http://repo.hu/projects/pcb-rnd/contact.html
* mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
*/
/* 2nets from terminal to terminal, no junctions allowed */
#include "config.h"
#include <stdio.h>
#include "map_2nets.h"
#include "data.h"
#include "find.h"
#include "netlist.h"
#include "search.h"
#include <librnd/core/rnd_printf.h>
#include <librnd/core/plugins.h>
#include "../src_3rd/genprique/fibheap.h"
#include "../src_3rd/genprique/fibheap.c"
#include "../src_3rd/libusearch/a_star_api.h"
#include "../src_3rd/libusearch/a_star_impl.h"
#define OID(o) ((o == NULL) ? 0 : o->ID)
static void list_obj(void *ctx, pcb_board_t *pcb, pcb_layer_t *layer, pcb_any_obj_t *obj)
{
pcb_2netmap_t *map = ctx;
pcb_qry_netseg_len_t *seg;
pcb_any_obj_t **o;
long n;
pcb_2netmap_iseg_t *ns;
if (!map->nonterminals && (obj->term == NULL))
return;
if ((layer != NULL) && (pcb_layer_flags_(layer) & PCB_LYT_COPPER) == 0)
return;
if ((obj->term == NULL) && (htpp_get(&map->o2n, obj) != NULL)) /* object already found */
return;
if (htpp_has(&map->o2n, obj)) /* already mapped */
return;
seg = pcb_qry_parent_net_len_mapseg(map->ec, obj, map->find_rats);
if (seg == NULL)
return;
if (seg->junc_at[0] != NULL)
map->junc_at = seg->junc_at[0];
ns = calloc(sizeof(pcb_2netmap_iseg_t), 1);
if (!seg->has_invalid_hub) {
ns->next = map->isegs;
map->isegs = ns;
}
ns->seg = seg;
ns->net = NULL;
if (seg->objs.used > 0) {
ns->term[0] = (((pcb_any_obj_t *)seg->objs.array[0])->term != NULL);
ns->term[1] = (((pcb_any_obj_t *)seg->objs.array[seg->objs.used-1])->term != NULL);
}
printf("seg=%p %s junc: %ld %ld term: %d %d\n", (void *)seg, (seg->hub ? "HUB" : ""), OID(seg->junction[0]), OID(seg->junction[1]), ns->term[0], ns->term[1]);
/* insert end terminals if they are junctions */
if ((seg->junction[1] != NULL) && (seg->junction[1]->term != NULL) && (seg->objs.used > 1)) {
pcb_any_obj_t *o = seg->objs.array[seg->objs.used-1];
if (o->term == NULL) /* insert only if the first object is not a terminal already - we want terminal-terminal 2nets */
vtp0_append(&seg->objs, &seg->junction[1]);
}
if ((seg->junction[0] != NULL) && (seg->junction[0]->term != NULL)) {
pcb_any_obj_t *o = seg->objs.array[0];
if (o->term == NULL) /* insert only if the first object is not a terminal already - we want terminal-terminal 2nets */
vtp0_insert_len(&seg->objs, 0, (void **)(&seg->junction[0]), 1);
}
/* figure the net by looking at terminals along this segment */
for(n = 0, o = (pcb_any_obj_t **)seg->objs.array; n < seg->objs.used; n++,o++) {
if (*o == NULL) {
printf(" NULL\n");
continue;
}
if (!seg->has_invalid_hub)
htpp_set(&map->o2n, *o, ns);
printf(" #%ld\n", (*o)->ID);
if ((*o)->term != NULL) {
pcb_net_term_t *t = pcb_net_find_by_obj(&pcb->netlist[PCB_NETLIST_EDITED], *o);
if ((t != NULL) && (t->parent.net != NULL)) {
if ((ns->net != NULL) && (ns->net != t->parent.net))
ns->shorted = 1;
ns->net = t->parent.net;
}
}
}
if (seg->has_invalid_hub) {
rnd_message(RND_MSG_ERROR, "Network %s can not be included in the net map due to invalid junction\n", ns->net->name);
pcb_qry_lenseg_free_fields(seg);
free(ns);
return;
}
}
static void list_line_cb(void *ctx, pcb_board_t *pcb, pcb_layer_t *layer, pcb_line_t *line)
{
list_obj(ctx, pcb, layer, (pcb_any_obj_t *)line);
}
static void list_arc_cb(void *ctx, pcb_board_t *pcb, pcb_layer_t *layer, pcb_arc_t *arc)
{
list_obj(ctx, pcb, layer, (pcb_any_obj_t *)arc);
}
static void list_poly_cb(void *ctx, pcb_board_t *pcb, pcb_layer_t *layer, pcb_poly_t *poly)
{
list_obj(ctx, pcb, layer, (pcb_any_obj_t *)poly);
}
static void list_pstk_cb(void *ctx, pcb_board_t *pcb, pcb_pstk_t *ps)
{
list_obj(ctx, pcb, NULL, (pcb_any_obj_t *)ps);
}
static int list_subc_cb(void *ctx, pcb_board_t *pcb, pcb_subc_t *subc, int enter)
{
pcb_board_t tmp;
tmp = *pcb;
tmp.Data = subc->data;
pcb_loop_all(&tmp, ctx,
NULL, /* layer */
list_line_cb,
list_arc_cb,
NULL, /* text */
list_poly_cb,
NULL, /* gfx */
list_subc_cb, /* subc */
list_pstk_cb
);
return 0;
}
#include "map_2nets_geo.c"
#include "map_2nets_map.c"
/*** API functions ***/
int pcb_map_2nets_init(pcb_2netmap_t *map, pcb_board_t *pcb)
{
pcb_qry_exec_t ec;
pcb_qry_init(&ec, pcb, NULL, 0);
ec.cfg_prefer_term = 1;
map->ec = &ec;
map->junc_at = NULL;
htpp_init(&map->o2n, ptrhash, ptrkeyeq);
/* map segments using query's netlen mapper; first from terminals then
from non-terminals; this way some corner cases can be avoided by
picking out objects forming real nets, starting from terminals */
for(map->nonterminals = 0; map->nonterminals < 2; map->nonterminals++) {
pcb_loop_all(PCB, map,
NULL, /* layer */
list_line_cb,
list_arc_cb,
NULL, /* text */
list_poly_cb,
NULL, /* gfx */
list_subc_cb, /* subc */
list_pstk_cb
);
}
/* the result is really a graph because of junctions; search random paths
from terminal to terminal (junctions resolved into overlaps) */
map_segs(map);
pcb_qry_uninit(&ec);
return 0;
}
int pcb_map_2nets_uninit(pcb_2netmap_t *map)
{
pcb_2netmap_oseg_t *oseg, *next;
for(oseg = map->osegs; oseg != NULL; oseg = next) {
next = oseg->next;
vtp0_uninit(&oseg->objs);
free(oseg);
}
map->osegs = NULL;
htpp_uninit(&map->o2n);
return -1;
}
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