Add multiple stasis chamber tiers

• Make the 'tiles' property on stasis chambers less long.
• Allow stasis chambers to set a custom replace_with node.
• Add two more stasis chamber tiers.
• Add crafting recipes.

README.md

@@ -44,6 +44,26 @@ To transport a stasis chamber containing a player, you can use node breakers
 While in transit, players are shown a formspec with an option to leave, that
   teleports the player back to the original location of the stasis chamber.
 
+## Crafting
+
+### Stasis chamber Mk1
+
+Single-use, requires one glass bottle per use.
+
+![Crafting recipe](chamber mk1.png)
+
+### Stasis chamber Mk2
+
+Multiple uses, requires one mese crystal fragment per use.
+
+![Crafting recipe](chamber mk2.png)
+
+### Stasis chamber Mk3
+
+Multiple uses, no additional items required.
+
+![Crafting recipe](chamber mk3.png)
+
 ## TODO
 
 - Crafting recipes and a wooden stasis chamber that requires some valuable item to use.

chamber.lua

@@ -20,18 +20,59 @@ stasis.register_chamber = function(name, def)
         def.selection_box = def.node_box
         def.paramtype = 'light'
         def.paramtype2 = 'facedir'
+        
+        -- Shorten tiles
+        if not def.tiles[2] then
+            local tile = def.tiles[1] ..
+                '^[colorize:#0008^default_glass.png'
+            def.tiles[2] = def.tiles[1]
+            def.tiles[1] = tile
+        end
+        def.tiles = {
+            def.tiles[1],
+            def.tiles[2], def.tiles[2],
+            def.tiles[2], def.tiles[2],
+            def.tiles[2], def.tiles[2],
+            def.tiles[2],
+        }
+        
+        -- Shorten active tiles
+        if not def.tiles_active then
+            def.tiles_active = {def.tiles[2]}
+        end
+        if not def.tiles_active[2] then
+            local tile = def.tiles_active[1] ..
+                '^[colorize:#0008^stasis_player.png^default_glass.png'
+            def.tiles_active[2] = def.tiles_active[1]
+            def.tiles_active[1] = tile
+        end
+        def.tiles_active = {
+            def.tiles_active[1],
+            def.tiles_active[2], def.tiles_active[2],
+            def.tiles_active[2], def.tiles_active[2],
+            def.tiles_active[2], def.tiles_active[2],
+            def.tiles_active[2],
+        }
     end
     
     local on_rightclick = def.on_rightclick
+    local replace_with
+    if def.replace_with then
+        replace_with = def.replace_with
+    else
+        replace_with = name
+    end
     
     def.on_rightclick = function(pos, node, player)
         if player.is_fake_player then return end
-        if on_rightclick and on_rightclick(pos, node, player) then
-            return
-        end
-        
         local victim = player:get_player_name()
         
+        if on_rightclick and not stasis.frozen_players[victim] then
+            if on_rightclick(pos, node, player) then
+                return
+            end
+        end
+        
         -- Knockout integration
         if knockout and knockout.carrying[victim] then
             victim = knockout.carrying[victim]
@@ -46,7 +87,7 @@ stasis.register_chamber = function(name, def)
         local meta = minetest.get_meta(pos)
         meta:set_string('victim', victim)
         
-        stasis.freeze_player(victim, pos, name)
+        stasis.freeze_player(victim, pos, replace_with)
     end
     
     minetest.register_node(':' .. name, def)
@@ -74,7 +115,7 @@ stasis.register_chamber = function(name, def)
         local meta = minetest.get_meta(pos)
         local victim = meta:get_string('victim')
         
-        minetest.swap_node(pos, {name = name, param2 = node.param2})
+        minetest.swap_node(pos, {name = replace_with, param2 = node.param2})
         
         if victim and #victim > 0 and cloaking.is_cloaked(victim) and
           stasis.frozen_players[victim] then
@@ -103,23 +144,17 @@ end
 
 -- The default chamber
 stasis.register_chamber('stasis:chamber', {
-    description = "Admin stasis chamber",
-    tiles = {'default_steel_block.png^[colorize:#0008^default_glass.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png'},
-    tiles_active = {'default_steel_block.png^[colorize:#0008^stasis_player.png^default_glass.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png', 'default_steel_block.png',
-             'default_steel_block.png'},
+    description = "Stasis chamber Mk3",
+    tiles = {
+        'default_steel_block.png',
+    },
+    
     groups = {dig_immediate = 2},
     drawtype = 'stasis_chamber',
     
     on_construct = function(pos)
         local meta = minetest.get_meta(pos)
-        meta:set_string('infotext', 'Stasis chamber')
+        meta:set_string('infotext', 'Stasis chamber Mk3')
     end,
     
     --on_rightclick = function(pos, node, player)

init.lua

@@ -7,3 +7,4 @@ stasis = {}
 local path = minetest.get_modpath(minetest.get_current_modname())
 dofile(path .. '/core.lua')
 dofile(path .. '/chamber.lua')
+dofile(path .. '/morechambers.lua')

morechambers.lua

@@ -0,0 +1,117 @@
+--
+-- Minetest stasis mod - More chambers
+--
+
+-- Take an item from the player's inventory
+local steal_item = function(player, required)
+    local victim = player:get_player_name()
+    local item = player:get_wielded_item()
+    local required = ItemStack(required)
+    local required_name = required:get_name()
+    local required_count = required:get_count()
+    
+    if item:get_name() == required_name and
+      item:get_count() >= required_count then
+        if item:get_count() == required_count then
+            item = nil
+        else
+            item = item:take_item(required_count)
+        end
+        minetest.after(0, function()
+            player:set_wielded_item(item)
+        end)
+    else
+        local def = minetest.registered_items[required_name]
+        if def and def.description then
+            item = def.description:lower()
+        else
+            item = required_name
+        end
+        minetest.chat_send_player(victim,
+            'You must hold ' .. tostring(required_count) .. 'x ' ..
+            item .. ' to use this stasis chamber.')
+        return true
+    end
+end
+
+--
+-- Mk1 chambers
+--
+-- Requires 1 glass bottle per use, SINGLE-USE ONLY
+--
+stasis.register_chamber('stasis:1_chamber', {
+    description = "Stasis chamber Mk1",
+    tiles = {'default_wood.png'},
+    drawtype = 'stasis_chamber',
+    groups = {dig_immediate = 2},
+    replace_with = 'stairs:slab_wood',
+    
+    on_construct = function(pos)
+        local meta = minetest.get_meta(pos)
+        meta:set_string('infotext', 'Stasis chamber Mk1\nSINGLE USE ONLY')
+    end,
+    
+    on_rightclick = function(pos, node, player)
+        local meta = minetest.get_meta(pos)
+        if steal_item(player, 'vessels:glass_bottle') then
+            return true
+        else
+            meta:set_string('infotext', '')
+        end
+    end,
+})
+
+--
+-- Mk2 chambers
+--
+-- Requires 1 mese crystal fragment per use
+--
+stasis.register_chamber('stasis:2_chamber', {
+    description = "Stasis chamber Mk2",
+    tiles = {'default_brick.png'},
+    drawtype = 'stasis_chamber',
+    groups = {dig_immediate = 2},
+    
+    on_construct = function(pos)
+        local meta = minetest.get_meta(pos)
+        meta:set_string('infotext', 'Stasis chamber Mk2')
+    end,
+    
+    on_rightclick = function(pos, node, player)
+        return steal_item(player, 'default:mese_crystal_fragment')
+    end,
+})
+
+--
+-- Crafting
+--
+
+minetest.register_craft({
+    output = 'stasis:1_chamber',
+    recipe = {
+        {'default:snow',  'doors:door_glass', 'default:snow'},
+        {'group:wood',    'beds:fancy_bed',   'group:wood'},
+        {'default:torch', 'group:wood',       'default:torch'},
+    },
+})
+
+minetest.register_craft({
+    output = 'stasis:2_chamber',
+    recipe = {
+        {'default:ice',   'default:brick',        'default:ice'},
+        {'default:brick', 'stasis:1_chamber',     'default:brick'},
+        {'default:ice',   'default:mese_crystal', 'default:ice'},
+    },
+})
+
+minetest.register_craft({
+    output = 'stasis:chamber',
+    recipe = {
+        {'default:ice',        'default:mese',     'default:ice'},
+        {'default:steelblock', 'stasis:2_chamber', 'default:steelblock'},
+        {'default:steelblock', 'default:mese',     'default:steelblock'},
+    },
+    replacements = {
+        {'default:mese', 'default:diamondblock'},
+    },
+})