Merge with modular_map

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@255 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 296 insertions, 0 deletions

diff --git a/src/data/mg/map.c b/src/data/mg/map.c
new file mode 100644
index 00000000..20feb8f1
--- /dev/null
+++ b/src/data/mg/map.c
@@ -0,0 +1,296 @@
+#include <stdio.h>
+#include <string.h>
+#include "debug.h"
+#include "plugin.h"
+#include "maptype.h"
+#include "projection.h"
+#include "mg.h"
+
+
+struct map_priv * map_new_mg(struct map_methods *meth, char *dirname, char **charset, enum projection *pro);
+
+static int map_id;
+
+static char *file[]={
+	[file_border_ply]="border.ply",
+        [file_bridge_ply]="bridge.ply",
+        [file_build_ply]="build.ply",
+        [file_golf_ply]="golf.ply",
+        [file_height_ply]="height.ply",
+        [file_natpark_ply]="natpark.ply",
+        [file_nature_ply]="nature.ply",
+        [file_other_ply]="other.ply",
+        [file_rail_ply]="rail.ply",
+        [file_sea_ply]="sea.ply",
+        [file_street_bti]="street.bti",
+        [file_street_str]="street.str",
+        [file_strname_stn]="strname.stn",
+        [file_town_twn]="town.twn",
+        [file_tunnel_ply]="tunnel.ply",
+        [file_water_ply]="water.ply",
+        [file_woodland_ply]="woodland.ply",
+};
+
+
+static int
+file_next(struct map_rect_priv *mr)
+{
+	int debug=0;
+	enum layer_type layer;
+
+	for (;;) {
+		mr->current_file++;
+		if (mr->current_file >= file_end)
+			return 0;
+		mr->file=mr->m->file[mr->current_file];
+		if (! mr->file)
+			continue;
+		switch (mr->current_file) {
+		case file_strname_stn:
+			continue;
+		case file_town_twn:
+			layer=layer_town;
+			break;
+		case file_street_str:
+			layer=layer_street;
+			break;
+		default:
+			layer=layer_poly;
+		}
+		if (mr->cur_sel && !mr->cur_sel->order[layer])
+			continue;
+		if (debug)
+			printf("current file: '%s'\n", file[mr->current_file]);
+		mr->cur_sel=mr->xsel;
+		if (block_init(mr))
+			return 1;
+	}
+}
+
+static void
+map_destroy_mg(struct map_priv *m)
+{
+	int i;
+
+	printf("mg_map_destroy\n");
+	for (i = 0 ; i < file_end ; i++) {
+		if (m->file[i])
+			file_destroy(m->file[i]);
+	}
+}
+
+extern int block_lin_count,block_idx_count,block_active_count,block_mem,block_active_mem;
+
+static struct map_rect_priv *
+map_rect_new_mg(struct map_priv *map, struct map_selection *sel)
+{
+	struct map_rect_priv *mr;
+	int i;
+
+	block_lin_count=0;
+	block_idx_count=0;
+	block_active_count=0;
+	block_mem=0;
+	block_active_mem=0;
+	mr=g_new0(struct map_rect_priv, 1);
+	mr->m=map;
+	mr->xsel=sel;
+	mr->current_file=-1;
+	if (sel && sel->next)
+		for (i=0 ; i < file_end ; i++) 
+			mr->block_hash[i]=g_hash_table_new(g_int_hash,g_int_equal);
+		
+	file_next(mr);
+	return mr;
+}
+
+
+static struct item *
+map_rect_get_item_mg(struct map_rect_priv *mr)
+{
+	for (;;) {
+		switch (mr->current_file) {
+		case file_town_twn:
+			if (town_get(mr, &mr->town, &mr->item))
+				return &mr->item;
+			break;
+		case file_border_ply:
+		/* case file_bridge_ply: */
+		case file_build_ply: 
+		case file_golf_ply: 
+		/* case file_height_ply: */
+		case file_natpark_ply: 
+		case file_nature_ply: 
+		case file_other_ply:
+		case file_rail_ply:
+		case file_sea_ply:
+		/* case file_tunnel_ply: */
+		case file_water_ply:
+		case file_woodland_ply:
+			if (poly_get(mr, &mr->poly, &mr->item))
+				return &mr->item;
+			break;
+		case file_street_str:
+			if (street_get(mr, &mr->street, &mr->item))
+				return &mr->item;
+			break;
+		case file_end:
+			return NULL;
+		default:
+			break;
+		}
+		if (block_next(mr))
+			continue;
+		if (mr->cur_sel->next) {
+			mr->cur_sel=mr->cur_sel->next;
+			if (block_init(mr))
+				continue;
+		}
+		if (file_next(mr))
+			continue;
+		dbg(1,"lin_count %d idx_count %d active_count %d %d kB (%d kB)\n", block_lin_count, block_idx_count, block_active_count, (block_mem+block_active_mem)/1024, block_active_mem/1024);
+		return NULL;
+	}
+}
+
+static struct item *
+map_rect_get_item_byid_mg(struct map_rect_priv *mr, int id_hi, int id_lo)
+{
+	mr->current_file = id_hi >> 16;
+	switch (mr->current_file) {
+	case file_town_twn:
+		if (town_get_byid(mr, &mr->town, id_hi, id_lo, &mr->item))
+			return &mr->item;
+		break;
+	case file_street_str:
+		if (street_get_byid(mr, &mr->street, id_hi, id_lo, &mr->item))
+			return &mr->item;
+		break;
+	default:	
+		if (poly_get_byid(mr, &mr->poly, id_hi, id_lo, &mr->item))
+			return &mr->item;
+		break;
+	}
+	return NULL;
+}
+
+
+static void
+map_rect_destroy_mg(struct map_rect_priv *mr)
+{
+	int i;
+	for (i=0 ; i < file_end ; i++) 
+		if (mr->block_hash[i])
+			g_hash_table_destroy(mr->block_hash[i]);	
+	g_free(mr);
+}
+
+static struct map_search_priv *
+map_search_new_mg(struct map_priv *map, struct item *item, struct attr *search, int partial)
+{
+	struct map_rect_priv *mr=g_new0(struct map_rect_priv, 1);
+	dbg(1,"id_lo=0x%x\n", item->id_lo);
+	dbg(1,"search=%s\n", search->u.str);
+	mr->m=map;
+	mr->search_type=search->type;
+	switch (search->type) {
+	case attr_town_name:
+		if (item->type != type_country_label)
+			return NULL;
+		tree_search_init(map->dirname, "town.b2", &mr->ts, 0x1000);
+		break;
+	case attr_street_name:
+		if (item->type != type_town_streets)
+			return NULL;
+		dbg(1,"street_assoc=0x%x\n", item->id_lo);
+		tree_search_init(map->dirname, "strname.b1", &mr->ts, 0);
+		break;
+	default:
+		dbg(0,"unknown search\n");
+		g_free(mr);
+		return NULL;
+	}
+	mr->search_item=*item;
+	mr->search_country=item->id_lo;
+	mr->search_str=search->u.str;
+	mr->search_partial=partial;
+	mr->current_file=file_town_twn-1;
+	file_next(mr);
+	return (struct map_search_priv *)mr;
+}
+
+static void
+map_search_destroy_mg(struct map_search_priv *ms)
+{
+	struct map_rect_priv *mr=(struct map_rect_priv *)ms;
+
+	if (! mr)
+		return;
+	tree_search_free(&mr->ts);
+	g_free(mr);
+}
+
+static struct item *
+map_search_get_item_mg(struct map_search_priv *ms)
+{
+	struct map_rect_priv *mr=(struct map_rect_priv *)ms;
+
+	if (! mr)
+		return NULL;
+	switch (mr->search_type) {
+	case attr_town_name:
+		return town_search_get_item(mr);
+	case attr_street_name:
+		return street_search_get_item(mr);
+	default:
+		return NULL;
+	}
+}
+
+static struct map_methods map_methods_mg = {
+	map_destroy_mg,
+	map_rect_new_mg,
+	map_rect_destroy_mg,
+	map_rect_get_item_mg,
+	map_rect_get_item_byid_mg,
+	map_search_new_mg,
+	map_search_destroy_mg,
+	map_search_get_item_mg,
+};
+
+struct map_priv *
+map_new_mg(struct map_methods *meth, char *dirname, char **charset, enum projection *pro)
+{
+	struct map_priv *m;
+	int i,maybe_missing,len=strlen(dirname);
+	char filename[len+16];
+	
+	*meth=map_methods_mg;
+	*charset="iso8859-1";
+	*pro=projection_mg;
+
+	m=g_new(struct map_priv, 1);
+	m->id=++map_id;
+	m->dirname=g_strdup(dirname);
+	strcpy(filename, dirname);
+	filename[len]='/';
+	for (i = 0 ; i < file_end ; i++) {
+		if (file[i]) {
+			strcpy(filename+len+1, file[i]);
+			m->file[i]=file_create_caseinsensitive(filename);
+			if (! m->file[i]) {
+				maybe_missing=(i == file_border_ply || i == file_height_ply || i == file_sea_ply);
+				if (! maybe_missing)
+					g_warning("Failed to load %s", filename);
+			}
+		}
+	}
+
+	return m;
+}
+
+void
+plugin_init(void)
+{
+	plugin_register_map_type("mg", map_new_mg);
+}