ShadowNinja
2013-07-17 ee0765804c0a21deeb2f33c22ac1a36cb0db5f43
commit | author | age
8e03d7 1 -- Configuration
R 2 local chainsaw_max_charge      = 30000 -- 30000 - Maximum charge of the saw
3 local chainsaw_charge_per_node = 12    -- 12    - Gives 2500 nodes on a single charge (about 50 complete normal trees)
4 local chainsaw_leaves          = true  -- true  - Cut down entire trees, leaves and all
5
ee0765 6 technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
82cba9 7
R 8 minetest.register_tool("technic:chainsaw", {
8e03d7 9         description = "Chainsaw",
R 10         inventory_image = "technic_chainsaw.png",
11         stack_max = 1,
12         on_use = function(itemstack, user, pointed_thing)
13                 if pointed_thing.type=="node" then
14                         item=itemstack:to_table()
15                         local meta=get_item_meta(item["metadata"])
16                         if meta==nil then return end --tool not charged
17                         if meta["charge"]==nil then return end
18                         -- Send current charge to digging function so that the chainsaw will stop after digging a number of nodes.
19                         local charge=meta["charge"]
20                         if charge < chainsaw_charge_per_node then return end -- only cut if charged
21
22                         charge=chainsaw_dig_it(minetest.get_pointed_thing_position(pointed_thing, above),user,charge)
ee5c6c 23                         technic.set_RE_wear(item,charge,chainsaw_max_charge)
8e03d7 24                         meta["charge"]=charge
R 25                         item["metadata"]=set_item_meta(meta)
26                         itemstack:replace(item)
27                         return itemstack
28                 end
29         end,
82cba9 30 })
R 31
32 minetest.register_craft({
8e03d7 33         output = 'technic:chainsaw',
R 34         recipe = {
35                 {'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:battery'},
19c9a0 36                 {'technic:stainless_steel_ingot', 'technic:motor',                 'technic:battery'},
S 37                 {'',                               '',                             'default:copper_ingot'},
8e03d7 38         }
82cba9 39 })
R 40
8e03d7 41 -- The default stuff
R 42 local timber_nodenames={["default:jungletree"] = true,
43                         ["default:papyrus"]    = true,
44                         ["default:cactus"]     = true,
45                         ["default:tree"]       = true,
46                         ["default:apple"]      = true
47 }
82cba9 48
8e03d7 49 if chainsaw_leaves == true then
R 50         timber_nodenames["default:leaves"] = true
51 end
82cba9 52
ee0765 53 -- technic_worldgen defines rubber trees if moretrees isn't installed
S 54 if minetest.get_modpath("technic_worldgen") or
55    minetest.get_modpath("moretrees") then
56     timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
57     timber_nodenames["moretrees:rubber_tree_trunk"]       = true
58     if chainsaw_leaves then
59                 timber_nodenames["moretrees:rubber_tree_leaves"] = true
60     end
61 end
62
8e03d7 63 -- Support moretrees if it is there
R 64 if( minetest.get_modpath("moretrees") ~= nil ) then
65         timber_nodenames["moretrees:apple_tree_trunk"]                 = true
66         timber_nodenames["moretrees:apple_tree_trunk_sideways"]        = true
67         timber_nodenames["moretrees:beech_trunk"]                      = true
68         timber_nodenames["moretrees:beech_trunk_sideways"]             = true
69         timber_nodenames["moretrees:birch_trunk"]                      = true
70         timber_nodenames["moretrees:birch_trunk_sideways"]             = true
71         timber_nodenames["moretrees:fir_trunk"]                        = true
72         timber_nodenames["moretrees:fir_trunk_sideways"]               = true
73         timber_nodenames["moretrees:oak_trunk"]                        = true
74         timber_nodenames["moretrees:oak_trunk_sideways"]               = true
75         timber_nodenames["moretrees:palm_trunk"]                       = true
76         timber_nodenames["moretrees:palm_trunk_sideways"]              = true
77         timber_nodenames["moretrees:pine_trunk"]                       = true
78         timber_nodenames["moretrees:pine_trunk_sideways"]              = true
79         timber_nodenames["moretrees:rubber_tree_trunk_sideways"]       = true
80         timber_nodenames["moretrees:rubber_tree_trunk_sideways_empty"] = true
81         timber_nodenames["moretrees:sequoia_trunk"]                    = true
82         timber_nodenames["moretrees:sequoia_trunk_sideways"]           = true
83         timber_nodenames["moretrees:spruce_trunk"]                     = true
84         timber_nodenames["moretrees:spruce_trunk_sideways"]            = true
85         timber_nodenames["moretrees:willow_trunk"]                     = true
86         timber_nodenames["moretrees:willow_trunk_sideways"]            = true
87         timber_nodenames["moretrees:jungletree_trunk"]                 = true
88         timber_nodenames["moretrees:jungletree_trunk_sideways"]        = true
82cba9 89
ee0765 90         if chainsaw_leaves then
8e03d7 91                 timber_nodenames["moretrees:apple_tree_leaves"]        = true
R 92                 timber_nodenames["moretrees:oak_leaves"]               = true
93                 timber_nodenames["moretrees:sequoia_leaves"]           = true
94                 timber_nodenames["moretrees:birch_leaves"]             = true
95                 timber_nodenames["moretrees:birch_leaves"]             = true
96                 timber_nodenames["moretrees:palm_leaves"]              = true
97                 timber_nodenames["moretrees:spruce_leaves"]            = true
98                 timber_nodenames["moretrees:spruce_leaves"]            = true
99                 timber_nodenames["moretrees:pine_leaves"]              = true
100                 timber_nodenames["moretrees:willow_leaves"]            = true
101                 timber_nodenames["moretrees:jungletree_leaves_green"]  = true
102                 timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
103                 timber_nodenames["moretrees:jungletree_leaves_red"]    = true
104         end
105 end
82cba9 106
8e03d7 107 -- Support growing_trees if it is there
R 108 if( minetest.get_modpath("growing_trees") ~= nil ) then
109         timber_nodenames["growing_trees:trunk"]         = true
110         timber_nodenames["growing_trees:medium_trunk"]  = true
111         timber_nodenames["growing_trees:big_trunk"]     = true
112         timber_nodenames["growing_trees:trunk_top"]     = true
113         timber_nodenames["growing_trees:trunk_sprout"]  = true
114         timber_nodenames["growing_trees:branch_sprout"] = true
115         timber_nodenames["growing_trees:branch"]        = true
116         timber_nodenames["growing_trees:branch_xmzm"]   = true
117         timber_nodenames["growing_trees:branch_xpzm"]   = true
118         timber_nodenames["growing_trees:branch_xmzp"]   = true
119         timber_nodenames["growing_trees:branch_xpzp"]   = true
120         timber_nodenames["growing_trees:branch_zz"]     = true
121         timber_nodenames["growing_trees:branch_xx"]     = true
82cba9 122
8e03d7 123         if chainsaw_leaves == true then
R 124                 timber_nodenames["growing_trees:leaves"] = true
125         end
126 end
127
128 -- Support growing_cactus if it is there
129 if( minetest.get_modpath("growing_cactus") ~= nil ) then
130         timber_nodenames["growing_cactus:sprout"]                       = true
131         timber_nodenames["growing_cactus:branch_sprout_vertical"]       = true
132         timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
133         timber_nodenames["growing_cactus:branch_sprout_xp"]             = true
134         timber_nodenames["growing_cactus:branch_sprout_xm"]             = true
135         timber_nodenames["growing_cactus:branch_sprout_zp"]             = true
136         timber_nodenames["growing_cactus:branch_sprout_zm"]             = true
137         timber_nodenames["growing_cactus:trunk"]                        = true
138         timber_nodenames["growing_cactus:branch_trunk"]                 = true
139         timber_nodenames["growing_cactus:branch"]                       = true
140         timber_nodenames["growing_cactus:branch_xp"]                    = true
141         timber_nodenames["growing_cactus:branch_xm"]                    = true
142         timber_nodenames["growing_cactus:branch_zp"]                    = true
143         timber_nodenames["growing_cactus:branch_zm"]                    = true
144         timber_nodenames["growing_cactus:branch_zz"]                    = true
145         timber_nodenames["growing_cactus:branch_xx"]                    = true
146 end
147
148 -- Support farming_plus if it is there
149 if( minetest.get_modpath("farming_plus") ~= nil ) then
150    if chainsaw_leaves == true then
151       timber_nodenames["farming_plus:cocoa_leaves"] = true
152    end
153 end
154
155 -- Table for saving what was sawed down
156 local produced
157
158 -- Saw down trees entry point
159 chainsaw_dig_it = function(pos, player,current_charge)
160         local remaining_charge=current_charge
161
162         -- Save the currently installed dropping mechanism so we can restore it.
163     local original_handle_node_drops = minetest.handle_node_drops
164
165         -- A bit of trickery here: use a different node drop callback
166         -- and restore the original afterwards.
167         minetest.handle_node_drops = chainsaw_handle_node_drops
168
169         -- clear result and start sawing things down
170         produced = {}
171         remaining_charge = recursive_dig(pos, remaining_charge, player)
172         minetest.sound_play("chainsaw", {pos = pos, gain = 1.0, max_hear_distance = 10,})
173
174         -- Restore the original noder drop handler
175         minetest.handle_node_drops = original_handle_node_drops
176
177         -- Now drop items for the player
178         local number, produced_item, p
179         for produced_item,number in pairs(produced) do
180                 --print("ADDING ITEM: " .. produced_item .. " " .. number)
181                 -- Drop stacks of 99 or less
182                 p = {
183                         x = pos.x + math.random()*4,
184                         y = pos.y,
185                         z = pos.z + math.random()*4
186                 }
187                 while number > 99 do
188                         minetest.env:add_item(p, produced_item .. " 99")
189                         p = {
190                                 x = pos.x + math.random()*4,
191                                 y = pos.y,
192                                 z = pos.z + math.random()*4
193                         }
194                         number = number - 99
195                 end
196                 minetest.env:add_item(p, produced_item .. " " .. number)
197         end
198         return remaining_charge
199 end
200
201 -- Override the default handling routine to be able to count up the
202 -- items sawed down so that we can drop them i an nice single stack
203 chainsaw_handle_node_drops = function(pos, drops, digger)
204         -- Add dropped items to list of collected nodes
205         local _, dropped_item
206         for _, dropped_item in ipairs(drops) do
207                 if produced[dropped_item] == nil then
208                         produced[dropped_item] = 1
209                 else
210                         produced[dropped_item] = produced[dropped_item] + 1
211                 end
212         end
213 end
214
215 -- This function does all the hard work. Recursively we dig the node at hand
216 -- if it is in the table and then search the surroundings for more stuff to dig.
217 recursive_dig = function(pos, remaining_charge, player)
218         local node=minetest.env:get_node(pos)
219         local i=1
220         -- Lookup node name in timber table:
221         if timber_nodenames[node.name] ~= nil then
222                 -- Return if we are out of power
223                 if remaining_charge < chainsaw_charge_per_node then
224                         return 0
225                 end
226                 local np
227                 -- wood found - cut it.
228                 minetest.env:dig_node(pos)
229
230                 remaining_charge=remaining_charge-chainsaw_charge_per_node
231                 -- check surroundings and run recursively if any charge left
232                 np={x=pos.x+1, y=pos.y, z=pos.z}
233                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
234                         remaining_charge = recursive_dig(np, remaining_charge)
235                 end
236                 np={x=pos.x+1, y=pos.y, z=pos.z+1}
237                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
238                         remaining_charge = recursive_dig(np, remaining_charge)
239                 end
240                 np={x=pos.x+1, y=pos.y, z=pos.z-1}
241                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
242                         remaining_charge = recursive_dig(np, remaining_charge)
243                 end
244
245                 np={x=pos.x-1, y=pos.y, z=pos.z}
246                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
247                         remaining_charge = recursive_dig(np, remaining_charge)
248                 end
249                 np={x=pos.x-1, y=pos.y, z=pos.z+1}
250                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
251                         remaining_charge = recursive_dig(np, remaining_charge)
252                 end
253                 np={x=pos.x-1, y=pos.y, z=pos.z-1}
254                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
255                         remaining_charge = recursive_dig(np, remaining_charge)
256                 end
257
258                 np={x=pos.x, y=pos.y+1, z=pos.z}
259                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
260                         remaining_charge = recursive_dig(np, remaining_charge)
261                 end
262
263                 np={x=pos.x, y=pos.y, z=pos.z+1}
264                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
265                         remaining_charge = recursive_dig(np, remaining_charge)
266                 end
267                 np={x=pos.x, y=pos.y, z=pos.z-1}
268                 if timber_nodenames[minetest.env:get_node(np).name] ~= nil then
269                         remaining_charge = recursive_dig(np, remaining_charge)
270                 end
271                 return remaining_charge
272         end
273         -- Nothing sawed down
274         return remaining_charge
e23f87 275 end
19c9a0 276