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#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "mapindex.h"
#include "../common/mmo.h"
#include "../common/showmsg.h"
#include "../common/malloc.h"
#define MAX_MAPINDEX 2000
//Leave an extra char of space to hold the terminator, in case for the strncpy(mapindex_id2name()) calls.
struct indexes {
char name[MAP_NAME_LENGTH+1]; //Stores map name
int length; //Stores string length WITHOUT the extension for quick lookup.
} indexes[MAX_MAPINDEX];
static unsigned short max_index = 0;
char mapindex_cfgfile[80] = "db/map_index.txt";
/// 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[1024];
char *ext;
int 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;
}
snprintf(map_name, 1024, "%s", name);
map_name[1023] = 0;
length = strlen(map_name);
if (length > 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 ((ext = strstr(map_name, ".gat")) != NULL) { //Gat map
length = ext-map_name;
} else if ((ext = strstr(map_name, ".afm")) != NULL || (ext = strstr(map_name, ".af2")) != NULL) { //afm map
length = ext-map_name;
sprintf(ext, ".gat"); //Change the extension to gat
} else if ((ext = strstr(map_name, ".")) != NULL) { //Generic extension?
length = ext-map_name;
sprintf(ext, ".gat");
} else { //No extension?
length = strlen(map_name);
strcat(map_name, ".gat");
}
if (length > MAP_NAME_LENGTH - 4) {
ShowError("(mapindex_add) Adjusted Map name %s is too long. Maps are limited to %d characters.\n", map_name, MAP_NAME_LENGTH);
return 0;
}
if (indexes[index].length)
ShowWarning("(mapindex_add) Overriding index %d: map \"%s\" -> \"%s\"\n", indexes[index].name, map_name);
strncpy(indexes[index].name, map_name, MAP_NAME_LENGTH);
indexes[index].length = length;
if (max_index <= index)
max_index = index+1;
return 1;
}
unsigned short mapindex_name2id(char* name) {
//TODO: Perhaps use a db to speed this up? [Skotlex]
int i;
int length = strlen(name);
char *ext = strstr(name, ".");
if (ext)
length = ext-name; //Base map-name length without the extension.
for (i = 1; i < max_index; i++)
{
if (indexes[i].length == length && strncmp(indexes[i].name,name,length)==0)
return i;
}
#ifdef MAPINDEX_AUTOADD
if( mapindex_addmap(i,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 || !indexes[id].length) {
ShowDebug("mapindex_id2name: Requested name for non-existant map index [%d] in cache.\n", id);
return indexes[0].name; //Theorically this should never happen, hence we return this string to prevent null pointer crashes.
}
return indexes[id].name;
}
void mapindex_init(void) {
FILE *fp;
char line[1024];
int last_index = -1;
int index;
char map_name[1024];
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,1020,fp)){
if(line[0] == '/' && line[1] == '/')
continue;
switch (sscanf(line,"%1000s\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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