Remove unused and clean up missused variable-value assignments.
[oweals/minetest_game.git] / mods / creative / init.lua
1 -- minetest/creative/init.lua
2
3 creative = {}
4 local player_inventory = {}
5 local creative_mode = minetest.setting_getbool("creative_mode")
6
7 -- Create detached creative inventory after loading all mods
8 creative.init_creative_inventory = function(player)
9         local player_name = player:get_player_name()
10         player_inventory[player_name] = {}
11         player_inventory[player_name].size = 0
12         player_inventory[player_name].filter = ""
13         player_inventory[player_name].start_i = 1
14         player_inventory[player_name].tab_id = 2
15
16         minetest.create_detached_inventory("creative_" .. player_name, {
17                 allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
18                         if creative_mode and not to_list == "main" then
19                                 return count
20                         else
21                                 return 0
22                         end
23                 end,
24                 allow_put = function(inv, listname, index, stack, player)
25                         return 0
26                 end,
27                 allow_take = function(inv, listname, index, stack, player)
28                         if creative_mode then
29                                 return -1
30                         else
31                                 return 0
32                         end
33                 end,
34                 on_move = function(inv, from_list, from_index, to_list, to_index, count, player)
35                 end,
36                 on_put = function(inv, listname, index, stack, player)
37                 end,
38                 on_take = function(inv, listname, index, stack, player)
39                         local player_name, stack_name = player:get_player_name(), stack:get_name()
40                         --print(player_name .. " takes item from creative inventory; listname = " .. listname .. ", index = " .. index .. ", stack = " .. dump(stack:to_table()))
41                         if stack then
42                                 minetest.log("action", player_name .. " takes " .. stack_name .. " from creative inventory")
43                                 --print("Stack name: " .. stack_name .. ", Stack count: " .. stack:get_count())
44                         end
45                 end,
46         })
47
48         creative.update_creative_inventory(player_name)
49         --print("creative inventory size: " .. player_inventory[player_name].size)
50 end
51
52 local function tab_category(tab_id)
53         local id_category = {
54                 nil, -- Reserved for crafting tab.
55                 minetest.registered_items,
56                 minetest.registered_nodes,
57                 minetest.registered_tools,
58                 minetest.registered_craftitems
59         }
60
61         -- If index out of range, show default ("All") page.
62         return id_category[tab_id] or id_category[2]
63 end
64
65 function creative.update_creative_inventory(player_name)
66         local creative_list = {}
67         local player_inv = minetest.get_inventory({type = "detached", name = "creative_" .. player_name})
68         local inv = player_inventory[player_name]
69
70         for name, def in pairs(tab_category(inv.tab_id)) do
71                 if not (def.groups.not_in_creative_inventory == 1) and
72                                 def.description and def.description ~= "" and
73                                 (def.name:find(inv.filter, 1, true) or
74                                         def.description:lower():find(inv.filter, 1, true)) then
75                         creative_list[#creative_list+1] = name
76                 end
77         end
78
79         table.sort(creative_list)
80         player_inv:set_size("main", #creative_list)
81         player_inv:set_list("main", creative_list)
82         inv.size = #creative_list
83 end
84
85 -- Create the trash field
86 local trash = minetest.create_detached_inventory("creative_trash", {
87         -- Allow the stack to be placed and remove it in on_put()
88         -- This allows the creative inventory to restore the stack
89         allow_put = function(inv, listname, index, stack, player)
90                 if creative_mode then
91                         return stack:get_count()
92                 else
93                         return 0
94                 end
95         end,
96         on_put = function(inv, listname)
97                 inv:set_list(listname, {})
98         end,
99 })
100 trash:set_size("main", 1)
101
102 creative.formspec_add = ""
103
104 creative.set_creative_formspec = function(player, start_i)
105         local player_name = player:get_player_name()
106         local inv = player_inventory[player_name]
107         local pagenum = math.floor(start_i / (3*8) + 1)
108         local pagemax = math.ceil(inv.size / (3*8))
109
110         player:set_inventory_formspec([[
111                 size[8,8.6]
112                 image[4.06,3.4;0.8,0.8;creative_trash_icon.png]
113                 list[current_player;main;0,4.7;8,1;]
114                 list[current_player;main;0,5.85;8,3;8]
115                 list[detached:creative_trash;main;4,3.3;1,1;]
116                 listring[]
117                 tablecolumns[color;text;color;text]
118                 tableoptions[background=#00000000;highlight=#00000000;border=false]
119                 button[5.4,3.2;0.8,0.9;creative_prev;<]
120                 button[7.25,3.2;0.8,0.9;creative_next;>]
121                 button[2.1,3.4;0.8,0.5;creative_search;?]
122                 button[2.75,3.4;0.8,0.5;creative_clear;X]
123                 tooltip[creative_search;Search]
124                 tooltip[creative_clear;Reset]
125                 listring[current_player;main]
126                 ]] ..
127                 "field[0.3,3.5;2.2,1;creative_filter;;" .. minetest.formspec_escape(inv.filter) .. "]" ..
128                 "listring[detached:creative_" .. player_name .. ";main]" ..
129                 "tabheader[0,0;creative_tabs;Crafting,All,Nodes,Tools,Items;" .. tostring(inv.tab_id) .. ";true;false]" ..
130                 "list[detached:creative_" .. player_name .. ";main;0,0;8,3;" .. tostring(start_i) .. "]" ..
131                 "table[6.05,3.35;1.15,0.5;pagenum;#FFFF00," .. tostring(pagenum) .. ",#FFFFFF,/ " .. tostring(pagemax) .. "]" ..
132                 default.get_hotbar_bg(0,4.7) ..
133                 default.gui_bg .. default.gui_bg_img .. default.gui_slots
134                 .. creative.formspec_add
135         )
136 end
137
138 creative.set_crafting_formspec = function(player)
139         player:set_inventory_formspec([[
140                 size[8,8.6]
141                 list[current_player;craft;2,0.75;3,3;]
142                 list[current_player;craftpreview;6,1.75;1,1;]
143                 list[current_player;main;0,4.7;8,1;]
144                 list[current_player;main;0,5.85;8,3;8]
145                 list[detached:creative_trash;main;0,2.75;1,1;]
146                 image[0.06,2.85;0.8,0.8;creative_trash_icon.png]
147                 image[5,1.75;1,1;gui_furnace_arrow_bg.png^[transformR270]
148                 tabheader[0,0;creative_tabs;Crafting,All,Nodes,Tools,Items;1;true;false]
149                 listring[current_player;main]
150                 listring[current_player;craft]
151                 ]] ..
152                 default.get_hotbar_bg(0,4.7) ..
153                 default.gui_bg .. default.gui_bg_img .. default.gui_slots
154         )
155 end
156
157 minetest.register_on_joinplayer(function(player)
158         -- If in creative mode, modify player's inventory forms
159         if not creative_mode then
160                 return
161         end
162         creative.init_creative_inventory(player)
163         creative.set_creative_formspec(player, 0)
164 end)
165
166 minetest.register_on_player_receive_fields(function(player, formname, fields)
167         if formname ~= "" or not creative_mode then
168                 return
169         end
170
171         local player_name = player:get_player_name()
172         local inv = player_inventory[player_name]
173
174         if fields.quit then
175                 if inv.tab_id == 1 then
176                         creative.set_crafting_formspec(player)
177                 end
178         elseif fields.creative_tabs then
179                 local tab = tonumber(fields.creative_tabs)
180                 inv.tab_id = tab
181                 player_inventory[player_name].start_i = 1
182
183                 if tab == 1 then
184                         creative.set_crafting_formspec(player)
185                 else
186                         creative.update_creative_inventory(player_name)
187                         creative.set_creative_formspec(player, 0)
188                 end
189         elseif fields.creative_clear then
190                 player_inventory[player_name].start_i = 1
191                 inv.filter = ""
192                 creative.update_creative_inventory(player_name)
193                 creative.set_creative_formspec(player, 0)
194         elseif fields.creative_search then
195                 player_inventory[player_name].start_i = 1
196                 inv.filter = fields.creative_filter:lower()
197                 creative.update_creative_inventory(player_name)
198                 creative.set_creative_formspec(player, 0)
199         else
200                 local start_i = player_inventory[player_name].start_i or 0
201
202                 if fields.creative_prev then
203                         start_i = start_i - 3*8
204                         if start_i < 0 then
205                                 start_i = inv.size - (inv.size % (3*8))
206                                 if inv.size == start_i then
207                                         start_i = math.max(0, inv.size - (3*8))
208                                 end
209                         end
210                 elseif fields.creative_next then
211                         start_i = start_i + 3*8
212                         if start_i >= inv.size then
213                                 start_i = 0
214                         end
215                 end
216
217                 player_inventory[player_name].start_i = start_i
218                 creative.set_creative_formspec(player, start_i)
219         end
220 end)
221
222 if creative_mode then
223         local digtime = 0.5
224         local caps = {times = {digtime, digtime, digtime}, uses = 0, maxlevel = 3}
225
226         minetest.register_item(":", {
227                 type = "none",
228                 wield_image = "wieldhand.png",
229                 wield_scale = {x = 1, y = 1, z = 2.5},
230                 range = 10,
231                 tool_capabilities = {
232                         full_punch_interval = 0.5,
233                         max_drop_level = 3,
234                         groupcaps = {
235                                 crumbly = caps,
236                                 cracky  = caps,
237                                 snappy  = caps,
238                                 choppy  = caps,
239                                 oddly_breakable_by_hand = caps,
240                         },
241                         damage_groups = {fleshy = 10},
242                 }
243         })
244
245         minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
246                 return true
247         end)
248
249         function minetest.handle_node_drops(pos, drops, digger)
250                 if not digger or not digger:is_player() then
251                         return
252                 end
253                 local inv = digger:get_inventory()
254                 if inv then
255                         for _, item in ipairs(drops) do
256                                 item = ItemStack(item):get_name()
257                                 if not inv:contains_item("main", item) then
258                                         inv:add_item("main", item)
259                                 end
260                         end
261                 end
262         end
263 end