game/technic.git

Vanessa Dannenberg

2018-10-31 44cb8df048e09b64214f59db73a3fd23cfe12e77

commit \| author \| age
8e03d7	1	-- Configuration
R	2
9019eb	3	local chainsaw_max_charge = 30000 -- Maximum charge of the saw
S	4	-- Gives 2500 nodes on a single charge (about 50 complete normal trees)
	5	local chainsaw_charge_per_node = 12
	6	-- Cut down tree leaves. Leaf decay may cause slowness on large trees
	7	-- if this is disabled.
	8	local chainsaw_leaves = true
	9
	10	-- The default trees
	11	local timber_nodenames = {
584cd8	12	["default:acacia_tree"] = true,
N	13	["default:aspen_tree"] = true,
	14	["default:jungletree"] = true,
	15	["default:papyrus"] = true,
	16	["default:cactus"] = true,
	17	["default:tree"] = true,
	18	["default:apple"] = true,
	19	["default:pine_tree"] = true,
8e03d7	20	}
82cba9	21
9019eb	22	if chainsaw_leaves then
584cd8	23	timber_nodenames["default:acacia_leaves"] = true
N	24	timber_nodenames["default:aspen_leaves"] = true
918166	25	timber_nodenames["default:leaves"] = true
N	26	timber_nodenames["default:jungleleaves"] = true
0114fe	27	timber_nodenames["default:pine_needles"] = true
8e03d7	28	end
82cba9	29
ee0765	30	-- technic_worldgen defines rubber trees if moretrees isn't installed
S	31	if minetest.get_modpath("technic_worldgen") or
9019eb	32	minetest.get_modpath("moretrees") then
ee0765	33	timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
S	34	timber_nodenames["moretrees:rubber_tree_trunk"] = true
	35	if chainsaw_leaves then
c63658	36	timber_nodenames["moretrees:rubber_tree_leaves"] = true
ee0765	37	end
S	38	end
	39
8e03d7	40	-- Support moretrees if it is there
9019eb	41	if minetest.get_modpath("moretrees") then
9e1c57	42	timber_nodenames["moretrees:acacia_trunk"] = true
c63658	43	timber_nodenames["moretrees:apple_tree_trunk"] = true
P	44	timber_nodenames["moretrees:beech_trunk"] = true
	45	timber_nodenames["moretrees:birch_trunk"] = true
	46	timber_nodenames["moretrees:fir_trunk"] = true
	47	timber_nodenames["moretrees:oak_trunk"] = true
	48	timber_nodenames["moretrees:palm_trunk"] = true
	49	timber_nodenames["moretrees:pine_trunk"] = true
	50	timber_nodenames["moretrees:sequoia_trunk"] = true
	51	timber_nodenames["moretrees:spruce_trunk"] = true
	52	timber_nodenames["moretrees:willow_trunk"] = true
	53	timber_nodenames["moretrees:jungletree_trunk"] = true
82cba9	54
c63658	55	if chainsaw_leaves then
0114fe	56	timber_nodenames["moretrees:acacia_leaves"] = true
c63658	57	timber_nodenames["moretrees:apple_tree_leaves"] = true
P	58	timber_nodenames["moretrees:oak_leaves"] = true
	59	timber_nodenames["moretrees:fir_leaves"] = true
	60	timber_nodenames["moretrees:fir_leaves_bright"] = true
	61	timber_nodenames["moretrees:sequoia_leaves"] = true
	62	timber_nodenames["moretrees:birch_leaves"] = true
	63	timber_nodenames["moretrees:birch_leaves"] = true
	64	timber_nodenames["moretrees:palm_leaves"] = true
	65	timber_nodenames["moretrees:spruce_leaves"] = true
	66	timber_nodenames["moretrees:spruce_leaves"] = true
	67	timber_nodenames["moretrees:pine_leaves"] = true
	68	timber_nodenames["moretrees:willow_leaves"] = true
	69	timber_nodenames["moretrees:jungletree_leaves_green"] = true
	70	timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
	71	timber_nodenames["moretrees:jungletree_leaves_red"] = true
dd3083	72	timber_nodenames["moretrees:acorn"] = true
N	73	timber_nodenames["moretrees:coconut"] = true
	74	timber_nodenames["moretrees:spruce_cone"] = true
	75	timber_nodenames["moretrees:pine_cone"] = true
	76	timber_nodenames["moretrees:fir_cone"] = true
	77	timber_nodenames["moretrees:apple_blossoms"] = true
c63658	78	end
8e03d7	79	end
82cba9	80
9019eb	81	-- Support growing_trees
S	82	if minetest.get_modpath("growing_trees") then
c63658	83	timber_nodenames["growing_trees:trunk"] = true
P	84	timber_nodenames["growing_trees:medium_trunk"] = true
	85	timber_nodenames["growing_trees:big_trunk"] = true
	86	timber_nodenames["growing_trees:trunk_top"] = true
	87	timber_nodenames["growing_trees:trunk_sprout"] = true
	88	timber_nodenames["growing_trees:branch_sprout"] = true
	89	timber_nodenames["growing_trees:branch"] = true
	90	timber_nodenames["growing_trees:branch_xmzm"] = true
	91	timber_nodenames["growing_trees:branch_xpzm"] = true
	92	timber_nodenames["growing_trees:branch_xmzp"] = true
	93	timber_nodenames["growing_trees:branch_xpzp"] = true
	94	timber_nodenames["growing_trees:branch_zz"] = true
	95	timber_nodenames["growing_trees:branch_xx"] = true
82cba9	96
9019eb	97	if chainsaw_leaves then
c63658	98	timber_nodenames["growing_trees:leaves"] = true
P	99	end
8e03d7	100	end
R	101
9019eb	102	-- Support growing_cactus
S	103	if minetest.get_modpath("growing_cactus") then
c63658	104	timber_nodenames["growing_cactus:sprout"] = true
P	105	timber_nodenames["growing_cactus:branch_sprout_vertical"] = true
	106	timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
	107	timber_nodenames["growing_cactus:branch_sprout_xp"] = true
	108	timber_nodenames["growing_cactus:branch_sprout_xm"] = true
	109	timber_nodenames["growing_cactus:branch_sprout_zp"] = true
	110	timber_nodenames["growing_cactus:branch_sprout_zm"] = true
	111	timber_nodenames["growing_cactus:trunk"] = true
	112	timber_nodenames["growing_cactus:branch_trunk"] = true
	113	timber_nodenames["growing_cactus:branch"] = true
	114	timber_nodenames["growing_cactus:branch_xp"] = true
	115	timber_nodenames["growing_cactus:branch_xm"] = true
	116	timber_nodenames["growing_cactus:branch_zp"] = true
	117	timber_nodenames["growing_cactus:branch_zm"] = true
	118	timber_nodenames["growing_cactus:branch_zz"] = true
	119	timber_nodenames["growing_cactus:branch_xx"] = true
8e03d7	120	end
R	121
9019eb	122	-- Support farming_plus
S	123	if minetest.get_modpath("farming_plus") then
	124	if chainsaw_leaves then
0114fe	125	timber_nodenames["farming_plus:banana_leaves"] = true
T	126	timber_nodenames["farming_plus:banana"] = true
	127	timber_nodenames["farming_plus:cocoa_leaves"] = true
	128	timber_nodenames["farming_plus:cocoa"] = true
c63658	129	end
8e03d7	130	end
R	131
dd3083	132	-- Support nature
N	133	if minetest.get_modpath("nature") then
	134	if chainsaw_leaves then
	135	timber_nodenames["nature:blossom"] = true
	136	end
	137	end
5cf765	138
0114fe	139	-- Support snow
T	140	if minetest.get_modpath("snow") then
	141	if chainsaw_leaves then
	142	timber_nodenames["snow:needles"] = true
	143	timber_nodenames["snow:needles_decorated"] = true
	144	timber_nodenames["snow:star"] = true
	145	end
	146	end
	147
	148	-- Support vines (also generated by moretrees if available)
	149	if minetest.get_modpath("vines") then
	150	if chainsaw_leaves then
	151	timber_nodenames["vines:vines"] = true
	152	end
	153	end
	154
72d541	155	if minetest.get_modpath("trunks") then
T	156	if chainsaw_leaves then
	157	timber_nodenames["trunks:moss"] = true
	158	timber_nodenames["trunks:moss_fungus"] = true
	159	timber_nodenames["trunks:treeroot"] = true
	160	end
	161	end
	162
5cf765	163	local S = technic.getter
S	164
	165	technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
	166
8e03d7	167	-- Table for saving what was sawed down
9019eb	168	local produced = {}
8e03d7	169
9019eb	170	-- Save the items sawed down so that we can drop them in a nice single stack
S	171	local function handle_drops(drops)
	172	for _, item in ipairs(drops) do
	173	local stack = ItemStack(item)
	174	local name = stack:get_name()
	175	local p = produced[name]
	176	if not p then
	177	produced[name] = stack
c63658	178	else
9019eb	179	p:set_count(p:get_count() + stack:get_count())
c63658	180	end
9019eb	181	end
S	182	end
	183
	184	--- Iterator over positions to try to saw around a sawed node.
ec069a	185	-- This returns positions in a 3x1x3 area around the position, plus the
S	186	-- position above it. This does not return the bottom position to prevent
	187	-- the chainsaw from cutting down nodes below the cutting position.
16302c	188	-- @param pos Sawing position.
9019eb	189	local function iterSawTries(pos)
16302c	190	-- Copy position to prevent mangling it
S	191	local pos = vector.new(pos)
ec069a	192	local i = 0
9019eb	193
S	194	return function()
ec069a	195	i = i + 1
S	196	-- Given a (top view) area like so (where 5 is the starting position):
	197	-- X -->
	198	-- Z 123
	199	-- \| 456
	200	-- V 789
	201	-- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9,
	202	-- and the position above 5.
	203	if i == 1 then
	204	-- Move to starting position
	205	pos.x = pos.x - 1
	206	pos.z = pos.z - 1
	207	elseif i == 4 or i == 7 then
	208	-- Move to next X and back to start of Z when we reach
	209	-- the end of a Z line.
9019eb	210	pos.x = pos.x + 1
ec069a	211	pos.z = pos.z - 2
S	212	elseif i == 5 then
	213	-- Skip the middle position (we've already run on it)
	214	-- and double-increment the counter.
	215	pos.z = pos.z + 2
	216	i = i + 1
	217	elseif i <= 9 then
	218	-- Go to next Z.
	219	pos.z = pos.z + 1
	220	elseif i == 10 then
	221	-- Move back to center and up.
	222	-- The Y+ position must be last so that we don't dig
	223	-- straight upward and not come down (since the Y-
	224	-- position isn't checked).
	225	pos.x = pos.x - 1
	226	pos.z = pos.z - 1
	227	pos.y = pos.y + 1
9019eb	228	else
ec069a	229	return nil
9019eb	230	end
S	231	return pos
c63658	232	end
8e03d7	233	end
R	234
	235	-- This function does all the hard work. Recursively we dig the node at hand
	236	-- if it is in the table and then search the surroundings for more stuff to dig.
9019eb	237	local function recursive_dig(pos, remaining_charge)
S	238	if remaining_charge < chainsaw_charge_per_node then
c63658	239	return remaining_charge
P	240	end
9019eb	241	local node = minetest.get_node(pos)
S	242
	243	if not timber_nodenames[node.name] then
	244	return remaining_charge
	245	end
	246
ec069a	247	-- Wood found - cut it
9019eb	248	handle_drops(minetest.get_node_drops(node.name, ""))
S	249	minetest.remove_node(pos)
	250	remaining_charge = remaining_charge - chainsaw_charge_per_node
	251
	252	-- Check surroundings and run recursively if any charge left
16302c	253	for npos in iterSawTries(pos) do
9019eb	254	if remaining_charge < chainsaw_charge_per_node then
S	255	break
	256	end
16302c	257	if timber_nodenames[minetest.get_node(npos).name] then
S	258	remaining_charge = recursive_dig(npos, remaining_charge)
9019eb	259	end
S	260	end
c63658	261	return remaining_charge
P	262	end
	263
	264	-- Function to randomize positions for new node drops
	265	local function get_drop_pos(pos)
	266	local drop_pos = {}
	267
	268	for i = 0, 8 do
	269	-- Randomize position for a new drop
	270	drop_pos.x = pos.x + math.random(-3, 3)
	271	drop_pos.y = pos.y - 1
	272	drop_pos.z = pos.z + math.random(-3, 3)
	273
	274	-- Move the randomized position upwards until
	275	-- the node is air or unloaded.
	276	for y = drop_pos.y, drop_pos.y + 5 do
	277	drop_pos.y = y
	278	local node = minetest.get_node_or_nil(drop_pos)
	279
	280	if not node then
	281	-- If the node is not loaded yet simply drop
	282	-- the item at the original digging position.
	283	return pos
	284	elseif node.name == "air" then
9019eb	285	-- Add variation to the entity drop position,
S	286	-- but don't let drops get too close to the edge
	287	drop_pos.x = drop_pos.x + (math.random() * 0.8) - 0.5
	288	drop_pos.z = drop_pos.z + (math.random() * 0.8) - 0.5
c63658	289	return drop_pos
P	290	end
	291	end
	292	end
	293
	294	-- Return the original position if this takes too long
	295	return pos
e23f87	296	end
19c9a0	297
9019eb	298	-- Chainsaw entry point
S	299	local function chainsaw_dig(pos, current_charge)
	300	-- Start sawing things down
	301	local remaining_charge = recursive_dig(pos, current_charge)
	302	minetest.sound_play("chainsaw", {pos = pos, gain = 1.0,
	303	max_hear_distance = 10})
5cf765	304
9019eb	305	-- Now drop items for the player
S	306	for name, stack in pairs(produced) do
	307	-- Drop stacks of stack max or less
	308	local count, max = stack:get_count(), stack:get_stack_max()
	309	stack:set_count(max)
	310	while count > max do
	311	minetest.add_item(get_drop_pos(pos), stack)
	312	count = count - max
c63658	313	end
9019eb	314	stack:set_count(count)
S	315	minetest.add_item(get_drop_pos(pos), stack)
	316	end
	317
	318	-- Clean up
	319	produced = {}
	320
	321	return remaining_charge
5cf765	322	end
S	323
	324
	325	minetest.register_tool("technic:chainsaw", {
	326	description = S("Chainsaw"),
	327	inventory_image = "technic_chainsaw.png",
	328	stack_max = 1,
99fd5d	329	wear_represents = "technic_RE_charge",
00d7c9	330	on_refill = technic.refill_RE_charge,
5cf765	331	on_use = function(itemstack, user, pointed_thing)
S	332	if pointed_thing.type ~= "node" then
	333	return itemstack
	334	end
9019eb	335
5cf765	336	local meta = minetest.deserialize(itemstack:get_metadata())
9019eb	337	if not meta or not meta.charge or
S	338	meta.charge < chainsaw_charge_per_node then
5cf765	339	return
S	340	end
	341
9019eb	342	local name = user:get_player_name()
51c02e	343	if minetest.is_protected(pointed_thing.under, name) then
S	344	minetest.record_protection_violation(pointed_thing.under, name)
	345	return
9019eb	346	end
S	347
	348	-- Send current charge to digging function so that the
	349	-- chainsaw will stop after digging a number of nodes
	350	meta.charge = chainsaw_dig(pointed_thing.under, meta.charge)
b8c902	351	if not technic.creative_mode then
M	352	technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
	353	itemstack:set_metadata(minetest.serialize(meta))
	354	end
5cf765	355	return itemstack
S	356	end,
	357	})
	358
e4c34c	359	local mesecons_button = minetest.get_modpath("mesecons_button")
T	360	local trigger = mesecons_button and "mesecons_button:button_off" or "default:mese_crystal_fragment"
	361
5cf765	362	minetest.register_craft({
9019eb	363	output = "technic:chainsaw",
c63658	364	recipe = {
e4c34c	365	{"technic:stainless_steel_ingot", trigger, "technic:battery"},
44cb8d	366	{"basic_materials:copper_wire", "basic_materials:motor", "technic:battery"},
5e4a87	367	{"", "", "technic:stainless_steel_ingot"},
44cb8d	368	},
VD	369	replacements = { {"basic_materials:copper_wire", "basic_materials:empty_spool"}, },
	370
5cf765	371	})
9019eb	372