Add remote interface to allow other mods to query / change sprites in… (#20)

* Add remote interface to allow other mods to query / change sprites in display frames
* update map marker if present

changelog.txt

@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 1.1.4
+Date: 2021-09-07
+  Bugfixes:
+    - fixed crash and unwanted behaviour introduced with last release
+---------------------------------------------------------------------------------------------------
 Version: 1.1.3
 Date: 2021-09-06
   Bugfixes:

control.lua

@@ -478,6 +478,33 @@ local function set_up_display_from_ghost(entity,tags)
 	end
 end
 
+remote.add_interface(
+    "IndustrialDisplayPlates",
+    {
+        get_sprite = function(event)
+            if event and event.entity and event.entity.valid then
+                local spritetype, spritename = get_render_sprite_info(event.entity)
+                return {spritetype=spritetype, spritename=spritename}
+            else
+                return nil
+            end
+        end,
+
+        set_sprite = function(event)
+            if event and event.entity and event.entity.valid and event.sprite and game.is_valid_sprite_path(event.sprite) then
+                destroy_render(event.entity)
+                render_overlay_sprite(event.entity, event.sprite)
+                if get_has_map_marker(event.entity) then
+                    local spritetype, spritename = get_render_sprite_info(event.entity)
+					change_map_markers(event.entity, spritetype, spritename)
+                end
+            end
+        end
+
+    }
+
+)
+
 -- local function reset_globals()
 	-- global.translations = nil
 -- end
@@ -553,16 +580,17 @@ script.on_event(defines.events.on_player_setup_blueprint, function (event)
 	if player and player.blueprint_to_setup and player.blueprint_to_setup.valid_for_read then blueprint = player.blueprint_to_setup
 	elseif player and player.cursor_stack.valid_for_read and player.cursor_stack.name == "blueprint" then blueprint = player.cursor_stack end
 
+	if blueprint then
+		for index,entity in pairs(event.mapping.get()) do
+			local stype,sname = get_render_sprite_info(entity)
+			if stype and sname then
+
 				-- Workaround for blueprint update bug
 				if blueprint.get_blueprint_entity_count() == 0 then
 					player.print({"display-plates.blueprint-wont-have-icons"})
 					return
 				end
 
-	if blueprint then
-		for index,entity in pairs(event.mapping.get()) do
-			local stype,sname = get_render_sprite_info(entity)
-			if stype and sname then
 				blueprint.set_blueprint_entity_tag(index, "display-plate-sprite-type", stype)
 				blueprint.set_blueprint_entity_tag(index, "display-plate-sprite-name", sname)
 				blueprint.set_blueprint_entity_tag(index, "display-plate-sprite-map-marker", get_has_map_marker(entity))

info.json

@@ -1,6 +1,6 @@
 {
 	"name": "IndustrialDisplayPlates",
-	"version": "1.1.3",
+	"version": "1.1.4",
 	"title": "Industrial Display Plates",
 	"author": "Wyrrrd",
 	"homepage": "https://github.com/Wyrrrd/IndustrialDisplayPlates",