Formspecs: Add starting frame to animated_image (#9411)

games/minimal/mods/test/formspec.lua

@@ -17,7 +17,7 @@ local clip_fs = [[
 	scrollbar[0,9;3,0.8;horizontal;x9;3]
 	tablecolumns[text;text]
 	table[0,10;3,1;x10;one,two,three,four;1]
-	animated_image[0,11;3,1;test_animation.png:4,100]
+	animated_image[-0.5,11;4.5,1;;test_animation.png;4;100]
 ]]
 
 
@@ -172,11 +172,19 @@ local pages = {
 		[[
 			formspec_version[3]
 			size[12,12]
-			animated_image[0.5,0.5;1,1;test_animation.png:4,100]
-			animated_image[1.75,0.5;1,1;test_animation.png:100,100]
-			animated_image[0.5,1.75;1,1;test_animation.jpg:4,100]
-			animated_image[3,0.5;5,2;test_animation.png:4,100]
-			animated_image[3,2.75;5,2;test_animation.jpg:4,100]
+			animated_image[0.5,0.5;1,1;;test_animation.png;4;100]
+			animated_image[0.5,1.75;1,1;;test_animation.jpg;4;100]
+			animated_image[1.75,0.5;1,1;;test_animation.png;100;100]
+			animated_image[3,0.5;1,1;ani_img_1;test_animation.png;4;1000]
+			button[4.25,0.5;1,1;ani_btn_1;Current
+Number]
+			animated_image[3,1.75;1,1;ani_img_2;test_animation.png;4;1000;2]
+			button[4.25,1.75;1,1;ani_btn_2;Current
+Number]
+			animated_image[3,3;1,1;;test_animation.png;4;0]
+			animated_image[3,4.25;1,1;;test_animation.png;4;0;3]
+			animated_image[5.5,0.5;5,2;;test_animation.png;4;100]
+			animated_image[5.5,2.75;5,2;;test_animation.jpg;4;100]
 		]]
 }
 
@@ -198,6 +206,11 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		return true
 	end
 
+	if fields.ani_img_1 and fields.ani_btn_1 then
+		minetest.chat_send_all(fields.ani_img_1)
+	elseif fields.ani_img_2 and fields.ani_btn_2 then
+		minetest.chat_send_all(fields.ani_img_2)
+	end
 end)
 
 minetest.register_node("test:node", {