individual skins and preview functions depending on model and npc

config.lua

@@ -24,12 +24,12 @@ yl_speak_up.talk_after_spawn = true
 -- diffrent NPC may use diffrent models
 -- IMPORTANT: If you want to support an NPC with a diffrent model, provide
 --            an entry in this array! Else setting its skin will fail horribly.
--- TODO: provide function for preview image
 yl_speak_up.mesh_data = {}
 yl_speak_up.mesh_data["error"] = {
 	texture_index = 1,
 	-- TODO: actually handle that and call the right formspec
 	can_show_wielded_items = false,
+	skin_preview = yl_speak_up.skin_preview_normal,
 	}
 -- this model is used by mobs_npc
 yl_speak_up.mesh_data["mobs_character.b3d"] = {
@@ -37,16 +37,36 @@ yl_speak_up.mesh_data["mobs_character.b3d"] = {
 	texture_index = 1,
 	-- there is no support for capes or wielded items
 	can_show_wielded_items = false,
+	-- which function can be used to draw the skin?
+	skin_preview = yl_speak_up.skin_preview_normal,
 	}
 yl_speak_up.mesh_data["skinsdb_3d_armor_character_5.b3d"] = {
 	-- the second texture is the skin
 	texture_index = 2,
 	-- they can wear and show capes and wield items
 	can_show_wielded_items = true,
+	-- this model needs its own preview function
+	skin_preview = yl_speak_up.skin_preview_skinsdb_3d_armor_character_5,
 }
 
 
--- TODO: provide skin texture list for the diffrent NPC (self.name)
+-- diffrent mob types may want to wear diffrent skins - even if they share the
+-- same model/mesh
+yl_speak_up.mob_skins = {}
+
+-- mobs_redo usually uses 64 x 32 textures:
+yl_speak_up.mob_skins["mobs_npc:npc"] = {
+	"mobs_npc.png", "mobs_npc2.png", "mobs_npc3.png", "mobs_npc4.png", "mobs_npc_baby.png"}
+yl_speak_up.mob_skins["mobs_npc:igor"] = {
+	"mobs_igor.png",  "mobs_igor2.png", "mobs_igor3.png", "mobs_igor4.png",
+	"mobs_igor5.png", "mobs_igor6.png", "mobs_igor7.png", "mobs_igor8.png"}
+yl_speak_up.mob_skins["mobs_npc:trader"] = {
+	"mobs_trader.png", "mobs_trader2.png", "mobs_trader3.png"}
+
+-- this here uses 64 x 64 textures:
+yl_speak_up.mob_skins["yl_speak_up:human"] = {
+	"yl_speak_up_main_default.png"}
+
 
 
 -- some properties from external NPC can be edited and changed (they have the self. prefix),

fs_fashion.lua

@@ -20,6 +20,25 @@ yl_speak_up.get_mesh = function(pname)
 end
 
 
+-- diffrent mobs (distinguished by self.name) may want to wear diffrent skins
+-- even if they share the same model; find out which mob we're dealing with
+yl_speak_up.get_mob_type = function(pname)
+	if(not(pname)) then
+		return "error"
+	end
+	local obj = yl_speak_up.speak_to[pname].obj
+	if(not(obj)) then
+		return "error"
+	end
+	local entity = obj:get_luaentity()
+	if(not(entity)) then
+		return "error"
+	end
+	return entity.name
+end
+
+
+
 local function cape2texture(t)
     return "yl_speak_up_mask_cape.png^[combine:32x64:56,20=" .. t
 end
@@ -145,6 +164,8 @@ local function get_npc_capes(cape)
     return rettable, retstring, retindex
 end
 
+
+-- TODO: this function is now kind of obsolete
 local function create_preview(main_skin)
     if main_skin == nil or main_skin == "" then
         main_skin = "default_greyscale.png"
@@ -190,6 +211,7 @@ local function create_preview(main_skin)
     return skin
 end
 
+
 -- TODO: link that somehow for NPC that support it
 yl_speak_up.get_fs_fashion_extended = function(pname)
     local textures = yl_speak_up.speak_to[pname].textures
@@ -301,15 +323,15 @@ yl_speak_up.input_fashion = function(player, formname, fields)
 		return
 	end
 
-	-- TODO: get that list from somewhere
-	local skins = {"mobs_npc.png", "mobs_npc2.png", "mobs_npc3.png", "mobs_npc4.png",
-                       "mobs_npc_baby.png"}
-
-	local mesh = yl_speak_up.get_mesh(pname)
 	-- which texture from the textures list are we talking about?
 	-- this depends on the model!
+	local mesh = yl_speak_up.get_mesh(pname)
 	local texture_index = yl_speak_up.mesh_data[mesh].texture_index
 
+	-- which skins are available? this depends on mob_type
+	local mob_type = yl_speak_up.get_mob_type(pname)
+	local skins = yl_speak_up.mob_skins[mob_type]
+
 	local textures = yl_speak_up.speak_to[pname].textures
 	local skin = (textures[texture_index] or "")
 	local skin_index = table.indexof(skins, skin)
@@ -516,16 +538,15 @@ end
 -- capes and wielded items are supported by an extended formspec for those
 -- NPC that can handle them
 yl_speak_up.get_fs_fashion = function(pname)
-
-	-- TODO: get that list from somewhere (it may depend on the model...)
-	local skins = {"mobs_npc.png", "mobs_npc2.png", "mobs_npc3.png", "mobs_npc4.png",
-			"mobs_npc_baby.png"}
-
-	local mesh = yl_speak_up.get_mesh(pname)
 	-- which texture from the textures list are we talking about?
 	-- this depends on the model!
+	local mesh = yl_speak_up.get_mesh(pname)
 	local texture_index = yl_speak_up.mesh_data[mesh].texture_index
 
+	-- which skins are available? this depends on mob_type
+	local mob_type = yl_speak_up.get_mob_type(pname)
+	local skins = yl_speak_up.mob_skins[mob_type]
+
 	local textures = yl_speak_up.speak_to[pname].textures
 	local skin = (textures[texture_index] or "")
 	-- store the old texture so that we can go back to it
@@ -548,20 +569,7 @@ yl_speak_up.get_fs_fashion = function(pname)
 		skin_index = ""
 	end
 
-	-- TODO: the preview depends on the model as well
+	local preview = yl_speak_up.mesh_data[mesh].skin_preview(skin)
-	local preview =
-		"image[4.5,1.8;3,3;[combine:8x9:-8,-9="..skin..":-40,-9="..skin.."]".. -- head, beard
-		"image[4.5,4.12;3,4.5;[combine:8x12:-20,-20="..skin.."]".. -- body
-		"image[4.5,8.02;1.5,4.5;[combine:4x12:-4,-20="..skin.."]"..  -- left leg
-		"image[5.73,8.02;1.5,4.5;[combine:4x12:-4,-20="..skin.."^[transformFX]"..  -- right leg
-		"image[3.15,4.12;1.5,4.5;[combine:4x12:-44,-20="..skin.."]"..  -- left hand
-		"image[7.35,4.12;1.5,4.5;[combine:4x12:-44,-20="..skin.."^[transformFX]"..  -- right hand
-		"image[10.5,1.8;3,3;[combine:8x8:-24,-8="..skin.."]"..  -- back head
-		"image[10.5,4.12;3,4.5;[combine:8x12:-32,-20="..skin.."]"..  -- body back
-		"image[10.5,8.02;1.5,4.5;[combine:4x12:-12,-20="..skin.."]"..  -- left leg back
-		"image[11.73,8.02;1.5,4.5;[combine:4x12:-12,-20="..skin.."^[transformFX]"..  -- right leg back
-		"image[9.3,4.12;1.5,4.5;[combine:4x12:-52,-20="..skin.."]"..  -- left hand back
-		"image[12.95,4.12;1.5,4.5;[combine:4x12:-52,-20="..skin.."^[transformFX]" -- right hand back
 
 	local formspec = {
 		"container[0.5,4.0]",

init.lua

@@ -26,6 +26,9 @@ yl_speak_up.fs_version = {}
 yl_speak_up.custom_server_functions = {}
 
 
+-- this file defines preview functions for skins - which are needed in config.lua
+-- (skin preview depends on model)
+dofile(modpath .. "skin_preview.lua")
 -- the server-specific configuration
 dofile(modpath .. "config.lua")
 -- players *and* npc need privs for certain things

skin_preview.lua

@@ -0,0 +1,62 @@
+-- this file contains the preview images for the skins of the NPC;
+-- it does depend on the model used
+
+-- this is a suitable version for most models/meshes that use normal player skins
+-- (i.e. mobs_redo)
+yl_speak_up.skin_preview_normal = function(skin)
+	return	"image[4.5,1.8;3,3;[combine:8x9:-8,-9="..skin..":-40,-9="..skin.."]".. -- head, beard
+		"image[4.5,4.12;3,4.5;[combine:8x12:-20,-20="..skin.."]".. -- body
+		"image[4.5,8.02;1.5,4.5;[combine:4x12:-4,-20="..skin.."]"..  -- left leg
+		"image[5.73,8.02;1.5,4.5;[combine:4x12:-4,-20="..skin.."^[transformFX]"..  -- right leg
+		"image[3.15,4.12;1.5,4.5;[combine:4x12:-44,-20="..skin.."]"..  -- left hand
+		"image[7.35,4.12;1.5,4.5;[combine:4x12:-44,-20="..skin.."^[transformFX]"..  -- right hand
+		"image[10.5,1.8;3,3;[combine:8x8:-24,-8="..skin.."]"..  -- back head
+		"image[10.5,4.12;3,4.5;[combine:8x12:-32,-20="..skin.."]"..  -- body back
+		"image[10.5,8.02;1.5,4.5;[combine:4x12:-12,-20="..skin.."]"..  -- left leg back
+		"image[11.73,8.02;1.5,4.5;[combine:4x12:-12,-20="..skin.."^[transformFX]"..  -- right leg back
+		"image[9.3,4.12;1.5,4.5;[combine:4x12:-52,-20="..skin.."]"..  -- left hand back
+		"image[12.95,4.12;1.5,4.5;[combine:4x12:-52,-20="..skin.."^[transformFX]" -- right hand back
+end
+
+-- this is a version for the yl_speak_up mobs
+yl_speak_up.skin_preview_skinsdb_3d_armor_character_5 = function(main_skin)
+	if main_skin == nil or main_skin == "" then
+		main_skin = "default_greyscale.png"
+	end
+
+	local player_skin = "(" .. main_skin .. ")"
+	local skin = -- Consistent on both sizes:
+		--Chest
+		"([combine:16x32:-16,-12="..player_skin.."^[mask:yl_speak_up_mask_chest.png)^"..
+
+		--Head
+		"([combine:16x32:-4,-8="..player_skin.."^[mask:yl_speak_up_mask_head.png)^"..
+
+		--Hat
+		"([combine:16x32:-36,-8="..player_skin.."^[mask:yl_speak_up_mask_head.png)^"..
+		--Right Arm
+		"([combine:16x32:-44,-12="..player_skin.."^[mask:yl_speak_up_mask_rarm.png)^"..
+		--Right Leg
+		"([combine:16x32:0,0="..player_skin.."^[mask:yl_speak_up_mask_rleg.png)^"..
+
+		-- Left Arm
+		"([combine:16x32:-24,-44="..player_skin.."^[mask:(yl_speak_up_mask_rarm.png^[transformFX))^"..
+		--Left Leg
+		"([combine:16x32:-12,-32="..player_skin.."^[mask:(yl_speak_up_mask_rleg.png^[transformFX))^"..
+
+		-- Add overlays for 64x skins. these wont appear if skin is 32x because it will be cropped out
+		--Chest Overlay
+		"([combine:16x32:-16,-28="..player_skin.."^[mask:yl_speak_up_mask_chest.png)^"..
+		--Right Arm Overlay
+		"([combine:16x32:-44,-28="..player_skin.."^[mask:yl_speak_up_mask_rarm.png)^"..
+		--Right Leg Overlay
+		"([combine:16x32:0,-16="..player_skin.."^[mask:yl_speak_up_mask_rleg.png)^"..
+		--Left Arm Overlay
+		"([combine:16x32:-40,-44="..player_skin.."^[mask:(yl_speak_up_mask_rarm.png^[transformFX))^"..
+		--Left Leg Overlay
+		"([combine:16x32:4,-32="..player_skin.."^[mask:(yl_speak_up_mask_rleg.png^[transformFX))"
+
+	-- Full Preview
+	skin = "((("..skin..")^[resize:64x128)^[mask:yl_speak_up_transform.png)"
+	return "image[4.5,1.8;9,10.5;"..skin.."]"
+end