summaryrefslogtreecommitdiff
path: root/src/common/mapindex.c
blob: 0c3faec75e9af1f7fd76f9fa9be8deeeb42b76c9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#include "mmo.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "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 {
	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";

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 (i < MAX_MAPINDEX) {
		char map_name[MAP_NAME_LENGTH+5];
		length = strlen(name);
		if (length > MAP_NAME_LENGTH)
			return;
		memcpy(map_name, name, length+1);
		if ((ext = strstr(map_name, ".")) != NULL) {
			length = ext-map_name;
			sprintf(ext, ".gat");
		} else { //No extension?
			length = strlen(map_name);
			strcat(map_name, ".gat");
		}
		if (length > MAP_NAME_LENGTH - 4)
			return 0; //Can't be added.
		strncpy(indexes[i].name, map_name, MAP_NAME_LENGTH);
		indexes[i].length = strlen(map_name);
		ShowDebug("mapindex_name2id: Added map \"%s\" to position %d\n", indexes[i], i);
		return i;
	}
#endif
	ShowDebug("mapindex_name2id: Map \"%s\" not found in index list!\n", name);
	return 0;
}

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];
	char *ext;
	int last_index = -1;
	int index, length;
	char map_name[1024];
	
	malloc_tsetdword (&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
				if (index < 0 || index >= MAX_MAPINDEX) {
					ShowError("(mapindex_init) Map index (%d) for \"%s\" out of range (max is %d)\n", index, map_name, MAX_MAPINDEX);
					continue;
				}
				length = strlen(map_name);
				if (length > MAP_NAME_LENGTH) {
					ShowError("(mapindex_init) Map name %s is too long. Maps are limited to %d characters.\n", map_name, MAP_NAME_LENGTH);
					continue;
				}
				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_init) Adjusted Map name %s is too long. Maps are limited to %d characters.\n", map_name, MAP_NAME_LENGTH);
					continue;
				}
						
				if (indexes[index].length)
					ShowWarning("(mapindex_init) 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;
				break;
			default:
				continue;
		}
		last_index = index;
	}
	fclose(fp);
}

void mapindex_final(void) {
}