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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/mmo.h"
#include "../common/showmsg.h"
#include "../common/malloc.h"
#include "../common/strlib.h"
#include "mapindex.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#define MAX_MAPINDEX 2000
struct _indexes {
char name[MAP_NAME_LENGTH]; //Stores map name
} indexes[MAX_MAPINDEX];
static unsigned short max_index = 0;
char mapindex_cfgfile[80] = "db/map_index.txt";
#define mapindex_exists(id) (indexes[id].name[0] != '\0')
/// Retrieves the map name from 'string' (removing .gat extension if present).
/// Result gets placed either into 'buf' or in a static local buffer.
const char* mapindex_getmapname(const char* string, char* output)
{
static char buf[MAP_NAME_LENGTH];
char* dest = (output != NULL) ? output : buf;
size_t len = strnlen(string, MAP_NAME_LENGTH_EXT);
if (len == MAP_NAME_LENGTH_EXT) {
ShowWarning("(mapindex_normalize_name) Map name '%*s' is too long!", 2*MAP_NAME_LENGTH_EXT, string);
len--;
}
if (len >= 4 && stricmp(&string[len-4], ".gat") == 0)
len -= 4; // strip .gat extension
len = min(len, MAP_NAME_LENGTH-1);
strncpy(dest, string, len+1);
memset(&dest[len], '\0', MAP_NAME_LENGTH-len);
return dest;
}
/// Retrieves the map name from 'string' (adding .gat extension if not already present).
/// Result gets placed either into 'buf' or in a static local buffer.
const char* mapindex_getmapname_ext(const char* string, char* output)
{
static char buf[MAP_NAME_LENGTH_EXT];
char* dest = (output != NULL) ? output : buf;
size_t len = strnlen(string, MAP_NAME_LENGTH);
if (len == MAP_NAME_LENGTH) {
ShowWarning("(mapindex_normalize_name) Map name '%*s' is too long!", 2*MAP_NAME_LENGTH, string);
len--;
}
strncpy(dest, string, len+1);
if (len < 4 || stricmp(&dest[len-4], ".gat") != 0) {
strcpy(&dest[len], ".gat");
len += 4; // add .gat extension
}
memset(&dest[len], '\0', MAP_NAME_LENGTH_EXT-len);
return dest;
}
/// Adds a map to the specified index
/// Returns 1 if successful, 0 oherwise
static int mapindex_addmap(int index, const char* name)
{
char map_name[MAP_NAME_LENGTH];
if (index < 0 || index >= MAX_MAPINDEX) {
ShowError("(mapindex_add) Map index (%d) for \"%s\" out of range (max is %d)\n", index, name, MAX_MAPINDEX);
return 0;
}
mapindex_getmapname(name, map_name);
if (map_name[0] == '\0') {
ShowError("(mapindex_add) Cannot add maps with no name.\n");
return 0;
}
//if (strlen(map_name) >= MAP_NAME_LENGTH) {
// ShowError("(mapindex_add) Map name %s is too long. Maps are limited to %d characters.\n", map_name, MAP_NAME_LENGTH);
// return 0;
//}
if (mapindex_exists(index))
ShowWarning("(mapindex_add) Overriding index %d: map \"%s\" -> \"%s\"\n", index, indexes[index].name, map_name);
safestrncpy(indexes[index].name, map_name, MAP_NAME_LENGTH);
if (max_index <= index)
max_index = index+1;
return 1;
}
unsigned short mapindex_name2id(const char* name)
{
//TODO: Perhaps use a db to speed this up? [Skotlex]
int i;
char map_name[MAP_NAME_LENGTH];
mapindex_getmapname(name, map_name);
for (i = 1; i < max_index; i++)
{
if (strcmp(indexes[i].name,map_name)==0)
return i;
}
#ifdef MAPINDEX_AUTOADD
if( mapindex_addmap(i,map_name) )
{
ShowDebug("mapindex_name2id: Auto-added map \"%s\" to position %d\n", indexes[i], i);
return i;
}
ShowWarning("mapindex_name2id: Failed to auto-add map \"%s\" to position %d!\n", name, i);
return 0;
#else
ShowDebug("mapindex_name2id: Map \"%s\" not found in index list!\n", name);
return 0;
#endif
}
const char* mapindex_id2name(unsigned short id)
{
if (id > MAX_MAPINDEX || !mapindex_exists(id)) {
ShowDebug("mapindex_id2name: Requested name for non-existant map index [%d] in cache.\n", id);
return indexes[0].name; // dummy empty string so that the callee doesn't crash
}
return indexes[id].name;
}
void mapindex_init(void)
{
FILE *fp;
char line[1024];
int last_index = -1;
int index;
char map_name[1024]; // only MAP_NAME_LENGTH(_EXT) under safe conditions
memset (&indexes, 0, sizeof (indexes));
fp=fopen(mapindex_cfgfile,"r");
if(fp==NULL){
ShowFatalError("Unable to read mapindex config file %s!\n", mapindex_cfgfile);
exit(1); //Server can't really run without this file.
}
while(fgets(line, sizeof(line), fp))
{
if(line[0] == '/' && line[1] == '/')
continue;
switch (sscanf(line, "%s\t%d", map_name, &index))
{
case 1: //Map with no ID given, auto-assign
index = last_index+1;
case 2: //Map with ID given
mapindex_addmap(index,map_name);
break;
default:
continue;
}
last_index = index;
}
fclose(fp);
}
void mapindex_final(void)
{
}
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