initial version

.gitignore

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+.idea

README.md

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+# Map Downloader
+
+Automatically download missing maps.

plugin/mapdownloader.sp

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+#pragma semicolon 1
+#include <sourcemod>
+#include <cURL>
+#include <tf2>
+
+public Plugin:myinfo =
+{
+	name = "map downloader",
+	author = "Icewind",
+	description = "Automatically download missing maps",
+	version = "0.1",
+	url = "https://spire.tf"
+};
+
+new CURL_Default_opt[][2] = {
+	{_:CURLOPT_NOSIGNAL,1},
+	{_:CURLOPT_NOPROGRESS,1},
+	{_:CURLOPT_TIMEOUT,300},
+	{_:CURLOPT_CONNECTTIMEOUT,120},
+	{_:CURLOPT_USE_SSL,CURLUSESSL_TRY},
+	{_:CURLOPT_SSL_VERIFYPEER,0},
+	{_:CURLOPT_SSL_VERIFYHOST,0},
+	{_:CURLOPT_VERBOSE,0}
+};
+
+#define CURL_DEFAULT_OPT(%1) curl_easy_setopt_int_array(%1, CURL_Default_opt, sizeof(CURL_Default_opt))
+
+new Handle:g_hCvarUrl = INVALID_HANDLE;
+
+public OnPluginStart()
+{
+	g_hCvarUrl = CreateConVar("sm_map_download_base", "http://fakkelbrigade.eu/maps", "map download url", FCVAR_PROTECTED);
+
+	RegServerCmd("changelevel", HandleChangeLevelAction);
+}
+
+public Action:HandleChangeLevelAction(args)
+{
+	new String:arg[128];
+	GetCmdArg(1, arg, sizeof(arg));
+
+	decl String:path[128];
+	Format(path, sizeof(path), "maps/%s.bsp", arg);
+
+	if (FileExists(path)) {
+		return Plugin_Continue;
+	} else {
+		PrintToChatAll("Map %s not found, trying to download", path);
+		DownloadMap(arg, path);
+		return Plugin_Handled;
+	}
+}
+
+public DownloadMap(String:map[128], String:targetPath[128])
+{
+	decl String:fullUrl[512];
+	decl String:BaseUrl[128];
+	GetConVarString(g_hCvarUrl, BaseUrl, sizeof(BaseUrl));
+	new Handle:curl = curl_easy_init();
+	new Handle:output_file = curl_OpenFile(targetPath, "wb");
+	CURL_DEFAULT_OPT(curl);
+
+	Format(fullUrl, sizeof(fullUrl), "%s/%s.bsp", BaseUrl, map);
+
+	PrintToChatAll("Trying to download %s from %s", map, fullUrl);
+
+	new Handle:hDLPack = CreateDataPack();
+	WritePackCell(hDLPack, _:output_file);
+	WritePackString(hDLPack, map);
+	WritePackString(hDLPack, targetPath);
+
+	curl_easy_setopt_handle(curl, CURLOPT_WRITEDATA, output_file);
+	curl_easy_setopt_string(curl, CURLOPT_URL, fullUrl);
+	curl_easy_perform_thread(curl, onComplete, hDLPack);
+}
+
+public onComplete(Handle:hndl, CURLcode:code, any hDLPack) {
+	decl String:map[128];
+	decl String:targetPath[128];
+
+	ResetPack(hDLPack);
+	CloseHandle(Handle:ReadPackCell(hDLPack)); // output_file
+	ReadPackString(hDLPack, map, sizeof(map));
+	ReadPackString(hDLPack, targetPath, sizeof(targetPath));
+	CloseHandle(hDLPack);
+	CloseHandle(hndl);
+
+	if (code != CURLE_OK) {
+		PrintToChatAll("Error downloading map %s", map);
+		decl String:sError[256];
+		curl_easy_strerror(code, sError, sizeof(sError));
+		PrintToChatAll("cURL error: %s", sError);
+		PrintToChatAll("cURL error code: %d", code);
+	} else {
+		//PrintToChatAll("map size(%s): %d", targetPath, FileSize(targetPath));
+		if (FileSize(targetPath) < 1024) {
+			PrintToChatAll("Map file to small, discarding");
+			DeleteFile(targetPath);
+			return;
+		}
+		PrintToChatAll("Successfully downloaded map %s", map);
+		changeLevel(map);
+	}
+	return;
+}
+
+public changeLevel(String:map[128])
+{
+	decl String:command[512];
+	Format(command, sizeof(command), "changelevel %s", map);
+	ServerCommand(command, sizeof(command));
+}