specific dig/place steps

init.lua

@@ -48,6 +48,7 @@ dofile(MP.."/register_step.lua")
 -- step specs
 dofile(MP.."/steps/waypoint.lua")
 dofile(MP.."/steps/dig.lua")
+dofile(MP.."/steps/digspecific.lua")
 dofile(MP.."/steps/build.lua")
 dofile(MP.."/steps/buildspecific.lua")
 dofile(MP.."/steps/chestput.lua")

steps/buildspecific.lua

@@ -31,6 +31,9 @@ missions.register_step({
 
 		local stack = ItemStack(stacks[name] or "")
 
+		local hud_data = hud[name];
+		player:hud_change(hud_data.counter, "text", stack:get_count() .. "x")
+
 		return "Place " .. stack:get_count() .. " " .. stack:get_name()
 	end,
 
@@ -42,7 +45,7 @@ missions.register_step({
 		ctx.inv:set_stack("main", 1, stack)
 
 		local formspec = "size[8,8;]" ..
-			"label[0,0;Place any nodes]" ..
+			"label[0,0;Place specific nodes]" ..
 
 			"label[0,1;Node:]" ..
 			"list[nodemeta:" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ";main;3,1;1,1;0]" ..
@@ -153,15 +156,11 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 
 		local stack = ItemStack(stacks[name])
 
-		print("Dig node: " .. oldnode.name .. " " .. stack:get_name())
-
 		if oldnode.name == stack:get_name() then
 			-- node name matches
 			stack:set_count(stack:get_count() + 1)
 		end
 
-		print("New stack: " .. stack:to_string())
-
 		stacks[name] = stack:to_string()
 	end
 end)

steps/digspecific.lua

@@ -0,0 +1,171 @@
+
+local HUD_POSITION = {x = missions.hud.posx, y = missions.hud.posy }
+local HUD_ALIGNMENT = {x = 1, y = 0}
+
+local stacks = {} -- playername -> stack_str
+local hud = {} -- playername -> {}
+
+missions.register_step({
+
+	type = "digspecific",
+	name = "Dig specific nodes",
+
+	create = function()
+		return {stack="default:stone 99"}
+	end,
+
+	allow_inv_stack_put = function(listname, index, stack)
+		-- allow position wand on pos 1 of main inv
+		if listname == "main" and index == 1 and minetest.registered_nodes[stack:get_name()] then
+			-- stack is a node
+			return true
+		end
+
+		return false
+	end,
+
+
+	get_status = function(ctx)
+		local player = ctx.player
+		local stepdata = ctx.step.data
+		local name = player:get_player_name()
+
+		local stack = ItemStack(stacks[name] or "")
+
+		return "Dig " .. stack:get_count() .. " " .. stack:get_name()
+	end,
+
+	edit_formspec = function(ctx)
+		local stepdata = ctx.step.data
+		local pos = ctx.pos
+		local stack = ItemStack(stepdata.stack)
+
+		ctx.inv:set_stack("main", 1, stack)
+
+		local formspec = "size[8,8;]" ..
+			"label[0,0;Dig specific nodes]" ..
+
+			"label[0,1;Node:]" ..
+			"list[nodemeta:" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ";main;3,1;1,1;0]" ..
+
+			"list[current_player;main;0,2;8,4;]" ..
+
+			"button_exit[0,7;8,1;save;Save]"
+
+		return formspec;
+	end,
+
+	update = function(ctx)
+		local fields = ctx.fields
+		local inv = ctx.inv
+		local stepdata = ctx.step.data
+
+		if fields.save then
+			local stack = inv:get_stack("main", 1)
+
+			if not stack:is_empty() then
+				stepdata.stack = stack:to_string()
+			end
+
+			ctx.show_mission()
+		end
+	end,
+
+	on_step_enter = function(ctx)
+		local player = ctx.player
+		local stepdata = ctx.step.data
+		local stack = ItemStack(stepdata.stack)
+		local name = player:get_player_name()
+
+		stacks[name] = stack:to_string()
+
+		local hud_data = {}
+		hud[player:get_player_name()] = hud_data;
+
+		hud_data.counter = player:hud_add({
+			hud_elem_type = "text",
+			position = HUD_POSITION,
+			offset = {x = 0,   y = 140},
+			text = "",
+			alignment = HUD_ALIGNMENT,
+			scale = {x = 100, y = 100},
+			number = 0x00FF00
+		})
+
+		hud_data.image = player:hud_add({
+			hud_elem_type = "image",
+			position = HUD_POSITION,
+			offset = {x = 32,   y = 140},
+			text = missions.get_image(stack:get_name()),
+			alignment = HUD_ALIGNMENT,
+			scale = {x = 1, y = 1},
+		})
+	end,
+
+	on_step_interval = function(ctx)
+		local player = ctx.player
+		local name = player:get_player_name()
+
+		local stack = ItemStack(stacks[name] or "")
+
+		local hud_data = hud[name];
+		player:hud_change(hud_data.counter, "text", stack:get_count() .. "x")
+
+		if stack:get_count() == 0 then
+			ctx.on_success()
+		end
+	end,
+
+	on_step_exit = function(ctx)
+		local player = ctx.player;		
+		local name = player:get_player_name()
+		local hud_data = hud[name];
+
+		if hud_data and hud_data.image then
+			player:hud_remove(hud_data.image)
+		end
+
+		if hud_data and hud_data.counter then
+			player:hud_remove(hud_data.counter)
+		end
+
+		hud[name] = nil
+		stacks[name] = nil
+	end
+
+
+})
+
+minetest.register_on_placenode(function(pos, newnode, player, oldnode, itemstack)
+	if player ~= nil and player:is_player() then
+		local name = player:get_player_name()
+		local stack = ItemStack(stacks[name] or "")
+
+		if newnode.name == stack:get_name() then
+			-- node name matches
+			stack:set_count(stack:get_count() + 1)
+		end
+
+		stacks[name] = stack:to_string()
+	end
+end)
+
+minetest.register_on_dignode(function(pos, oldnode, digger)
+	if digger ~= nil and digger:is_player() then
+		local name = digger:get_player_name()
+		if not stacks[name] then return end
+
+		local stack = ItemStack(stacks[name])
+
+		if oldnode.name == stack:get_name() then
+			-- node name matches
+			stack:take_item(1)
+		end
+
+		stacks[name] = stack:to_string()
+	end
+end)
+
+
+
+