Add basic NodeCore support

Readme.md

@@ -57,6 +57,13 @@ The following tool textures (within the `textures/tools` folder) have been creat
   * Picking SkinDB skins for yourself or as Epidermis base textures
   * Upload to SkinDB
 
+## Supported Games
+
+* [x] [Minetest Game](https://github.com/minetest/minetest_game) and most derivatives (`player_api` support)
+* [x] [NodeCore](https://gitlab.com/sztest/nodecore)
+
+Other games are likely to work too. Try it and see.
+
 ## Comparison
 
 ### 2D Texture Painting Mods
@@ -164,7 +171,6 @@ Automatically sync with SkinDB at startup, continue syncing during game
 
 ## Possible future features
 
-- [ ] NodeCore support
 - [ ] 3D armor support
 - [ ] Restart server if a certain amount of dynamic texture data has been reached (100 MB?)
 - [ ] Paintable transportability (as items?) & trashability

mod.conf

@@ -1,7 +1,7 @@
 name = epidermis
 description = Feature-fledged skin (painting) mod
 depends = modlib, moblib
-optional_depends = player_api
+optional_depends = player_api, nc_player_model, nc_skins
 author = appguru(eu)
 license = MIT
 min_minetest_version = 5.4

skin.lua

@@ -1,4 +1,5 @@
 local player_api = rawget(_G, "player_api")
+local nodecore = rawget(_G, "nodecore")
 
 local function get_textures(player)
 	if player_api then
@@ -32,7 +33,18 @@ function epidermis.get_skin(player)
 	return get_texture(player, skin_texture_index)
 end
 
+local nc_skins = {}
+if nodecore then
+	local player_skin = nodecore.player_skin
+	function nodecore.player_skin(player, ...)
+		return nc_skins[player:get_player_name()] or player_skin(player, ...)
+	end
+end
 function epidermis.set_skin(player, skin)
+	if nodecore then
+		nc_skins[player:get_player_name()] = skin
+		return
+	end
 	set_texture(player, skin_texture_index, skin)
 end
 
@@ -43,10 +55,23 @@ function epidermis.get_model(player)
 	return player:get_properties().mesh
 end
 
+local nc_models = {}
+if nodecore then
+	local player_visuals_base = nodecore.player_visuals_base
+	function nodecore.player_visuals_base(player)
+		local visuals = player_visuals_base(player)
+		visuals.mesh = nc_models[player:get_player_name()] or visuals.mesh
+		return visuals
+	end
+end
 function epidermis.set_model(player, model)
 	if player_api then
 		player_api.set_model(player, model)
 		return
 	end
+	if nodecore then
+		nc_models[player:get_player_name()] = model
+		return
+	end
 	player:set_properties{mesh = model}
 end