AS OF SVN REV. 5901, WE ARE NOW USING TRUNK. ALL UNTESTED BUGFIXES/FEATURES GO INTO TRUNK.

IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.  EVERYTHING ELSE
GOES INTO TRUNK AND WILL BE MERGED INTO STABLE BY VALARIS AND WIZPUTER. -- VALARIS


git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@5094 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 130 insertions, 0 deletions

diff --git a/src/common/mapindex.c b/src/common/mapindex.c
new file mode 100644
index 000000000..e600b5ad7
--- /dev/null
+++ b/src/common/mapindex.c
@@ -0,0 +1,130 @@
+#include "mmo.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <showmsg.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];
+	
+	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
+				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;
+	}
+}
+
+void mapindex_final(void) {
+}
+