Fix sound direction and add experimental:soundblock alias sb in minimal for testing

games/minimal/mods/experimental/init.lua

@@ -20,6 +20,25 @@ function switch_player_visual()
 end
 minetest.after(1.0, switch_player_visual)
 
+minetest.register_node("experimental:soundblock", {
+	tile_images = {"unknown_block.png", "default_tnt_bottom.png",
+			"default_tnt_side.png", "default_tnt_side.png",
+			"default_tnt_side.png", "default_tnt_side.png"},
+	inventory_image = minetest.inventorycube("unknown_block.png",
+			"default_tnt_side.png", "default_tnt_side.png"),
+})
+
+minetest.register_alias("sb", "experimental:soundblock")
+
+minetest.register_abm({
+	nodenames = {"experimental:soundblock"},
+	interval = 1,
+	chance = 1,
+	action = function(p0, node, _, _)
+		minetest.sound_play("default_grass_footstep", {pos=p0, gain=0.5})
+	end,
+})
+
 --[[
 stepsound = -1
 function test_sound()

src/game.cpp

@@ -2080,7 +2080,7 @@ void the_game(
 		// Update sound listener
 		sound->updateListener(camera.getCameraNode()->getPosition(),
 				v3f(0,0,0), // velocity
-				camera.getCameraNode()->getTarget(),
+				camera.getDirection(),
 				camera.getCameraNode()->getUpVector());
 
 		/*