Allow specifying name for dynamic media files

doc/lua_api.md

@@ -6601,7 +6601,9 @@ Server
     * Returns boolean indicating success (false if player nonexistent)
 * `minetest.dynamic_add_media(options, callback)`
     * `options`: table containing the following parameters
-        * `filepath`: path to a media file on the filesystem
+        * `filename`: name the media file will be usable as
+                      (optional, default taken from path)
+        * `filepath`: path to the file on the filesystem
         * `to_player`: name of the player the media should be sent to instead of
                        all players (optional)
         * `ephemeral`: boolean that marks the media as ephemeral,

games/devtest/mods/testnodes/textures.lua

@@ -159,14 +159,17 @@ end
 
 local textures_path = core.get_worldpath() .. "/"
 core.safe_file_write(
-	textures_path .. "testnodes_generated_mb.png",
+	textures_path .. "testnodes1.png",
 	encode_and_check(512, 512, "rgb", data_mb)
 )
 core.safe_file_write(
 	textures_path .. "testnodes_generated_ck.png",
 	encode_and_check(512, 512, "gray", data_ck)
 )
-core.dynamic_add_media(textures_path .. "testnodes_generated_mb.png")
+core.dynamic_add_media({
+	filename = "testnodes_generated_mb.png",
+	filepath = textures_path .. "testnodes1.png"
+})
 core.dynamic_add_media(textures_path .. "testnodes_generated_ck.png")
 
 minetest.register_node("testnodes:generated_png_mb", {

src/script/lua_api/l_server.cpp

@@ -548,11 +548,11 @@ int ModApiServer::l_dynamic_add_media(lua_State *L)
 	Server *server = getServer(L);
 	const bool at_startup = !getEnv(L);
 
-	std::string filepath;
-	std::string to_player;
+	std::string filename, filepath, to_player;
 	bool ephemeral = false;
 
 	if (lua_istable(L, 1)) {
+		getstringfield(L, 1, "filename", filename);
 		getstringfield(L, 1, "filepath", filepath);
 		getstringfield(L, 1, "to_player", to_player);
 		getboolfield(L, 1, "ephemeral", ephemeral);
@@ -576,7 +576,7 @@ int ModApiServer::l_dynamic_add_media(lua_State *L)
 
 	u32 token = server->getScriptIface()->allocateDynamicMediaCallback(L, 2);
 
-	bool ok = server->dynamicAddMedia(filepath, token, to_player, ephemeral);
+	bool ok = server->dynamicAddMedia(filename, filepath, token, to_player, ephemeral);
 	if (!ok)
 		server->getScriptIface()->freeDynamicMediaCallback(token);
 	lua_pushboolean(L, ok);

src/server.cpp

@@ -3568,10 +3568,11 @@ void Server::deleteParticleSpawner(const std::string &playername, u32 id)
 	SendDeleteParticleSpawner(peer_id, id);
 }
 
-bool Server::dynamicAddMedia(std::string filepath,
+bool Server::dynamicAddMedia(std::string filename, std::string filepath,
 	const u32 token, const std::string &to_player, bool ephemeral)
 {
-	std::string filename = fs::GetFilenameFromPath(filepath.c_str());
+	if (filename.empty())
+		filename = fs::GetFilenameFromPath(filepath.c_str());
 	auto it = m_media.find(filename);
 	if (it != m_media.end()) {
 		// Allow the same path to be "added" again in certain conditions

src/server.h

@@ -258,7 +258,7 @@ public:
 
 	void deleteParticleSpawner(const std::string &playername, u32 id);
 
-	bool dynamicAddMedia(std::string filepath, u32 token,
+	bool dynamicAddMedia(std::string filename, std::string filepath, u32 token,
 		const std::string &to_player, bool ephemeral);
 
 	ServerInventoryManager *getInventoryMgr() const { return m_inventory_mgr.get(); }