From 40ad9767531beb6cf2e8bd918c9c9ed5f2749320 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Sat, 30 Jan 2021 14:35:34 +0100
Subject: Revise dynamic_add_media API to better accomodate future changes

---
 builtin/game/misc.lua | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'builtin')

diff --git a/builtin/game/misc.lua b/builtin/game/misc.lua
index 96a0a2dda..b8c5e16a9 100644
--- a/builtin/game/misc.lua
+++ b/builtin/game/misc.lua
@@ -266,3 +266,26 @@ end
 function core.cancel_shutdown_requests()
 	core.request_shutdown("", false, -1)
 end
+
+
+-- Callback handling for dynamic_add_media
+
+local dynamic_add_media_raw = core.dynamic_add_media_raw
+core.dynamic_add_media_raw = nil
+function core.dynamic_add_media(filepath, callback)
+	local ret = dynamic_add_media_raw(filepath)
+	if ret == false then
+		return ret
+	end
+	if callback == nil then
+		core.log("deprecated", "Calling minetest.dynamic_add_media without "..
+			"a callback is deprecated and will stop working in future versions.")
+	else
+		-- At the moment async loading is not actually implemented, so we
+		-- immediately call the callback ourselves
+		for _, name in ipairs(ret) do
+			callback(name)
+		end
+	end
+	return true
+end
-- 
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