Use texture status indicators (#16)

init.lua

@@ -5,6 +5,10 @@ hopper = {}
 local MP = minetest.get_modpath(minetest.get_current_modname())
 local S = minetest.get_translator("hopper")
 
+hopper.translator_escaped = function(...)
+	return minetest.formspec_escape(S(...))
+end
+
 if minetest.get_modpath("default") then
 	hopper.formspec_bg = default.gui_bg .. default.gui_bg_img .. default.gui_slots
 else

license.txt

@@ -1,3 +1,6 @@
+Code license
+============
+
 The MIT License (MIT)
 
 Copyright (c) 2016 TenPlus1 and FaceDeer
@@ -19,3 +22,13 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
+
+
+
+Texture licenses
+================
+
+
+SmallJoker/Krock (CC0)
+
+ * hopper_mode_*.png (created with LibreOffice Draw)

nodes/chute.lua

@@ -1,11 +1,14 @@
 local S = minetest.get_translator("hopper")
+local FS = hopper.translator_escaped
+
 local function get_chute_formspec(pos)
 	local spos = hopper.get_string_pos(pos)
 	local formspec =
 		"size[8,7]"
 		.. hopper.formspec_bg
-		.. "list[nodemeta:" .. spos .. ";main;3,0.3;2,2;]"
+		.. "label[3,-0.1;" .. FS("Hopper Chute") .."]"
-		.. hopper.get_eject_button_texts(pos, 7, 0.8)
+		.. "list[nodemeta:" .. spos .. ";main;3,0.4;2,2;]"
+		.. hopper.get_eject_button_texts(pos, 6, 0.8)
 		.. "list[current_player;main;0,2.85;8,1;]"
 		.. "list[current_player;main;0,4.08;8,3;8]"
 		.. "listring[nodemeta:" .. spos .. ";main]"

nodes/hoppers.lua

@@ -1,4 +1,6 @@
 local S = minetest.get_translator("hopper")
+local FS = hopper.translator_escaped
+local ALPHA_CLIP = minetest.features.use_texture_alpha_string_modes and "clip" or true
 
 -- formspec
 local function get_hopper_formspec(pos)
@@ -6,8 +8,9 @@ local function get_hopper_formspec(pos)
 	local formspec =
 		"size[8,9]"
 		.. hopper.formspec_bg
-		.. "list[nodemeta:" .. spos .. ";main;2,0.3;4,4;]"
+		.. "label[3.5,-0.1;" .. FS("Hopper") .."]"
-		.. hopper.get_eject_button_texts(pos, 7, 2)
+		.. "list[nodemeta:" .. spos .. ";main;2,0.4;4,4;]"
+		.. hopper.get_eject_button_texts(pos, 6.5, 2)
 		.. "list[current_player;main;0,4.85;8,1;]"
 		.. "list[current_player;main;0,6.08;8,3;8]"
 		.. "listring[nodemeta:" .. spos .. ";main]"
@@ -68,6 +71,7 @@ minetest.register_node("hopper:hopper", {
 		"hopper_top_" .. hopper.config.texture_resolution .. ".png",
 		"hopper_front_" .. hopper.config.texture_resolution .. ".png"
 	},
+	use_texture_alpha = ALPHA_CLIP,
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -160,6 +164,7 @@ minetest.register_node("hopper:hopper_side", {
 		"hopper_back_" .. hopper.config.texture_resolution .. ".png",
 		"hopper_back_" .. hopper.config.texture_resolution .. ".png"
 	},
+	use_texture_alpha = ALPHA_CLIP,
 	node_box = {
 		type = "fixed",
 		fixed = {

nodes/sorter.lua

@@ -1,4 +1,5 @@
 local S = minetest.get_translator("hopper")
+local FS = hopper.translator_escaped
 
 local facedir_to_bottomdir = {
 	[0]={x=0, y=-1, z=0},
@@ -18,15 +19,15 @@ local function get_sorter_formspec(pos)
 	
 	local filter_all = minetest.get_meta(pos):get_string("filter_all") == "true"
 	local y_displace = 0
-	local filter_button_text, filter_button_tooltip, filter_body
+	local filter_texture, filter_button_tooltip, filter_body
 	if filter_all then
 		filter_body = ""
-		filter_button_text = S("Selective\nFilter")
+		filter_texture = "hopper_mode_off.png"
-		filter_button_tooltip = S("This sorter is currently set to try sending all items\nin the direction of the arrow. Click this button\nto enable an item-type-specific filter.")
+		filter_button_tooltip = FS("This sorter is currently set to try sending all items\nin the direction of the arrow. Click this button\nto enable an item-type-specific filter.")
 	else
-		filter_body = "label[3.7,0;"..S("Filter").."]list[nodemeta:" .. spos .. ";filter;0,0.5;8,1;]"
+		filter_body = "label[3.7,0;"..FS("Filter").."]list[nodemeta:" .. spos .. ";filter;0,0.5;8,1;]"
-		filter_button_text = S("Filter\nAll")
+		filter_texture = "hopper_mode_on.png"
-		filter_button_tooltip = S("This sorter is currently set to only send items listed\nin the filter list in the direction of the arrow.\nClick this button to set it to try sending all\nitems that way first.")
+		filter_button_tooltip = FS("This sorter is currently set to only send items listed\nin the filter list in the direction of the arrow.\nClick this button to set it to try sending all\nitems that way first.")
 		y_displace = 1.6
 	end
 	
@@ -35,7 +36,8 @@ local function get_sorter_formspec(pos)
 		.. hopper.formspec_bg
 		.. filter_body		
 		.. "list[nodemeta:" .. spos .. ";main;3,".. tostring(0.3 + y_displace) .. ";2,2;]"
-		.. "button_exit[7,".. tostring(0.8 + y_displace) .. ";1,1;filter_all;".. filter_button_text .. "]tooltip[filter_all;" .. filter_button_tooltip.. "]"
+		.. ("image_button_exit[0,%g;1,1;%s;filter_all;]"):format(y_displace, filter_texture)
+		.. "tooltip[filter_all;" .. filter_button_tooltip.. "]"
 		.. hopper.get_eject_button_texts(pos, 6, 0.8 + y_displace)
 		.. "list[current_player;main;0,".. tostring(2.85 + y_displace) .. ";8,1;]"
 		.. "list[current_player;main;0,".. tostring(4.08 + y_displace) .. ";8,3;8]"

utility.lua

@@ -1,4 +1,5 @@
 local S = minetest.get_translator("hopper")
+local FS = hopper.translator_escaped
 -- Target inventory retrieval
 
 -- looks first for a registration matching the specific node name, then for a registration
@@ -26,15 +27,16 @@ end
 hopper.get_eject_button_texts = function(pos, loc_X, loc_Y)
 	if not hopper.config.eject_button_enabled then return "" end
 
-	local eject_button_text, eject_button_tooltip
+	local texture, eject_button_tooltip
 	if minetest.get_meta(pos):get_string("eject") == "true" then
-		eject_button_text = S("Don't\nEject")
+		texture = "hopper_mode_eject.png"
-		eject_button_tooltip = S("This hopper is currently set to eject items from its output\neven if there isn't a compatible block positioned to receive it.\nClick this button to disable this feature.")
+		eject_button_tooltip = FS("This hopper is currently set to eject items from its output\neven if there isn't a compatible block positioned to receive it.\nClick this button to disable this feature.")
 	else
-		eject_button_text = S("Eject\nItems")
+		texture = "hopper_mode_hold.png"
-		eject_button_tooltip = S("This hopper is currently set to hold on to item if there\nisn't a compatible block positioned to receive it.\nClick this button to have it eject items instead.")
+		eject_button_tooltip = FS("This hopper is currently set to hold on to item if there\nisn't a compatible block positioned to receive it.\nClick this button to have it eject items instead.")
 	end
-	return "button_exit["..loc_X..","..loc_Y..";1,1;eject;"..eject_button_text.."]tooltip[eject;"..eject_button_tooltip.."]"
+	return ("image_button_exit[%g,%g;1,1;%s;eject;]"):format(loc_X, loc_Y, texture) ..
+		"tooltip[eject;"..eject_button_tooltip.."]"
 end
 
 hopper.get_string_pos = function(pos)