game/technic.git

MT-Modder

2015-03-01 b8c902868115a0a607da35e208a422e430d46317

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 = {
	12	["default:jungletree"] = true,
	13	["default:papyrus"] = true,
	14	["default:cactus"] = true,
	15	["default:tree"] = true,
	16	["default:apple"] = true,
91e12c	17	["default:pinetree"] = true,
8e03d7	18	}
82cba9	19
9019eb	20	if chainsaw_leaves then
918166	21	timber_nodenames["default:leaves"] = true
N	22	timber_nodenames["default:jungleleaves"] = true
0114fe	23	timber_nodenames["default:pine_needles"] = true
8e03d7	24	end
82cba9	25
ee0765	26	-- technic_worldgen defines rubber trees if moretrees isn't installed
S	27	if minetest.get_modpath("technic_worldgen") or
9019eb	28	minetest.get_modpath("moretrees") then
ee0765	29	timber_nodenames["moretrees:rubber_tree_trunk_empty"] = true
S	30	timber_nodenames["moretrees:rubber_tree_trunk"] = true
	31	if chainsaw_leaves then
c63658	32	timber_nodenames["moretrees:rubber_tree_leaves"] = true
ee0765	33	end
S	34	end
	35
8e03d7	36	-- Support moretrees if it is there
9019eb	37	if minetest.get_modpath("moretrees") then
9e1c57	38	timber_nodenames["moretrees:acacia_trunk"] = true
c63658	39	timber_nodenames["moretrees:apple_tree_trunk"] = true
P	40	timber_nodenames["moretrees:beech_trunk"] = true
	41	timber_nodenames["moretrees:birch_trunk"] = true
	42	timber_nodenames["moretrees:fir_trunk"] = true
	43	timber_nodenames["moretrees:oak_trunk"] = true
	44	timber_nodenames["moretrees:palm_trunk"] = true
	45	timber_nodenames["moretrees:pine_trunk"] = true
	46	timber_nodenames["moretrees:sequoia_trunk"] = true
	47	timber_nodenames["moretrees:spruce_trunk"] = true
	48	timber_nodenames["moretrees:willow_trunk"] = true
	49	timber_nodenames["moretrees:jungletree_trunk"] = true
82cba9	50
c63658	51	if chainsaw_leaves then
0114fe	52	timber_nodenames["moretrees:acacia_leaves"] = true
c63658	53	timber_nodenames["moretrees:apple_tree_leaves"] = true
P	54	timber_nodenames["moretrees:oak_leaves"] = true
	55	timber_nodenames["moretrees:fir_leaves"] = true
	56	timber_nodenames["moretrees:fir_leaves_bright"] = true
	57	timber_nodenames["moretrees:sequoia_leaves"] = true
	58	timber_nodenames["moretrees:birch_leaves"] = true
	59	timber_nodenames["moretrees:birch_leaves"] = true
	60	timber_nodenames["moretrees:palm_leaves"] = true
	61	timber_nodenames["moretrees:spruce_leaves"] = true
	62	timber_nodenames["moretrees:spruce_leaves"] = true
	63	timber_nodenames["moretrees:pine_leaves"] = true
	64	timber_nodenames["moretrees:willow_leaves"] = true
	65	timber_nodenames["moretrees:jungletree_leaves_green"] = true
	66	timber_nodenames["moretrees:jungletree_leaves_yellow"] = true
	67	timber_nodenames["moretrees:jungletree_leaves_red"] = true
dd3083	68	timber_nodenames["moretrees:acorn"] = true
N	69	timber_nodenames["moretrees:coconut"] = true
	70	timber_nodenames["moretrees:spruce_cone"] = true
	71	timber_nodenames["moretrees:pine_cone"] = true
	72	timber_nodenames["moretrees:fir_cone"] = true
	73	timber_nodenames["moretrees:apple_blossoms"] = true
c63658	74	end
8e03d7	75	end
82cba9	76
9019eb	77	-- Support growing_trees
S	78	if minetest.get_modpath("growing_trees") then
c63658	79	timber_nodenames["growing_trees:trunk"] = true
P	80	timber_nodenames["growing_trees:medium_trunk"] = true
	81	timber_nodenames["growing_trees:big_trunk"] = true
	82	timber_nodenames["growing_trees:trunk_top"] = true
	83	timber_nodenames["growing_trees:trunk_sprout"] = true
	84	timber_nodenames["growing_trees:branch_sprout"] = true
	85	timber_nodenames["growing_trees:branch"] = true
	86	timber_nodenames["growing_trees:branch_xmzm"] = true
	87	timber_nodenames["growing_trees:branch_xpzm"] = true
	88	timber_nodenames["growing_trees:branch_xmzp"] = true
	89	timber_nodenames["growing_trees:branch_xpzp"] = true
	90	timber_nodenames["growing_trees:branch_zz"] = true
	91	timber_nodenames["growing_trees:branch_xx"] = true
82cba9	92
9019eb	93	if chainsaw_leaves then
c63658	94	timber_nodenames["growing_trees:leaves"] = true
P	95	end
8e03d7	96	end
R	97
9019eb	98	-- Support growing_cactus
S	99	if minetest.get_modpath("growing_cactus") then
c63658	100	timber_nodenames["growing_cactus:sprout"] = true
P	101	timber_nodenames["growing_cactus:branch_sprout_vertical"] = true
	102	timber_nodenames["growing_cactus:branch_sprout_vertical_fixed"] = true
	103	timber_nodenames["growing_cactus:branch_sprout_xp"] = true
	104	timber_nodenames["growing_cactus:branch_sprout_xm"] = true
	105	timber_nodenames["growing_cactus:branch_sprout_zp"] = true
	106	timber_nodenames["growing_cactus:branch_sprout_zm"] = true
	107	timber_nodenames["growing_cactus:trunk"] = true
	108	timber_nodenames["growing_cactus:branch_trunk"] = true
	109	timber_nodenames["growing_cactus:branch"] = true
	110	timber_nodenames["growing_cactus:branch_xp"] = true
	111	timber_nodenames["growing_cactus:branch_xm"] = true
	112	timber_nodenames["growing_cactus:branch_zp"] = true
	113	timber_nodenames["growing_cactus:branch_zm"] = true
	114	timber_nodenames["growing_cactus:branch_zz"] = true
	115	timber_nodenames["growing_cactus:branch_xx"] = true
8e03d7	116	end
R	117
9019eb	118	-- Support farming_plus
S	119	if minetest.get_modpath("farming_plus") then
	120	if chainsaw_leaves then
0114fe	121	timber_nodenames["farming_plus:banana_leaves"] = true
T	122	timber_nodenames["farming_plus:banana"] = true
	123	timber_nodenames["farming_plus:cocoa_leaves"] = true
	124	timber_nodenames["farming_plus:cocoa"] = true
c63658	125	end
8e03d7	126	end
R	127
dd3083	128	-- Support nature
N	129	if minetest.get_modpath("nature") then
	130	if chainsaw_leaves then
	131	timber_nodenames["nature:blossom"] = true
	132	end
	133	end
5cf765	134
0114fe	135	-- Support snow
T	136	if minetest.get_modpath("snow") then
	137	if chainsaw_leaves then
	138	timber_nodenames["snow:needles"] = true
	139	timber_nodenames["snow:needles_decorated"] = true
	140	timber_nodenames["snow:star"] = true
	141	end
	142	end
	143
	144	-- Support vines (also generated by moretrees if available)
	145	if minetest.get_modpath("vines") then
	146	if chainsaw_leaves then
	147	timber_nodenames["vines:vines"] = true
	148	end
	149	end
	150
72d541	151	if minetest.get_modpath("trunks") then
T	152	if chainsaw_leaves then
	153	timber_nodenames["trunks:moss"] = true
	154	timber_nodenames["trunks:moss_fungus"] = true
	155	timber_nodenames["trunks:treeroot"] = true
	156	end
	157	end
	158
5cf765	159	local S = technic.getter
S	160
	161	technic.register_power_tool("technic:chainsaw", chainsaw_max_charge)
	162
8e03d7	163	-- Table for saving what was sawed down
9019eb	164	local produced = {}
8e03d7	165
9019eb	166	-- Save the items sawed down so that we can drop them in a nice single stack
S	167	local function handle_drops(drops)
	168	for _, item in ipairs(drops) do
	169	local stack = ItemStack(item)
	170	local name = stack:get_name()
	171	local p = produced[name]
	172	if not p then
	173	produced[name] = stack
c63658	174	else
9019eb	175	p:set_count(p:get_count() + stack:get_count())
c63658	176	end
9019eb	177	end
S	178	end
	179
	180	--- Iterator over positions to try to saw around a sawed node.
ec069a	181	-- This returns positions in a 3x1x3 area around the position, plus the
S	182	-- position above it. This does not return the bottom position to prevent
	183	-- the chainsaw from cutting down nodes below the cutting position.
16302c	184	-- @param pos Sawing position.
9019eb	185	local function iterSawTries(pos)
16302c	186	-- Copy position to prevent mangling it
S	187	local pos = vector.new(pos)
ec069a	188	local i = 0
9019eb	189
S	190	return function()
ec069a	191	i = i + 1
S	192	-- Given a (top view) area like so (where 5 is the starting position):
	193	-- X -->
	194	-- Z 123
	195	-- \| 456
	196	-- V 789
	197	-- This will return positions 1, 4, 7, 2, 8 (skip 5), 3, 6, 9,
	198	-- and the position above 5.
	199	if i == 1 then
	200	-- Move to starting position
	201	pos.x = pos.x - 1
	202	pos.z = pos.z - 1
	203	elseif i == 4 or i == 7 then
	204	-- Move to next X and back to start of Z when we reach
	205	-- the end of a Z line.
9019eb	206	pos.x = pos.x + 1
ec069a	207	pos.z = pos.z - 2
S	208	elseif i == 5 then
	209	-- Skip the middle position (we've already run on it)
	210	-- and double-increment the counter.
	211	pos.z = pos.z + 2
	212	i = i + 1
	213	elseif i <= 9 then
	214	-- Go to next Z.
	215	pos.z = pos.z + 1
	216	elseif i == 10 then
	217	-- Move back to center and up.
	218	-- The Y+ position must be last so that we don't dig
	219	-- straight upward and not come down (since the Y-
	220	-- position isn't checked).
	221	pos.x = pos.x - 1
	222	pos.z = pos.z - 1
	223	pos.y = pos.y + 1
9019eb	224	else
ec069a	225	return nil
9019eb	226	end
S	227	return pos
c63658	228	end
8e03d7	229	end
R	230
	231	-- This function does all the hard work. Recursively we dig the node at hand
	232	-- if it is in the table and then search the surroundings for more stuff to dig.
9019eb	233	local function recursive_dig(pos, remaining_charge)
S	234	if remaining_charge < chainsaw_charge_per_node then
c63658	235	return remaining_charge
P	236	end
9019eb	237	local node = minetest.get_node(pos)
S	238
	239	if not timber_nodenames[node.name] then
	240	return remaining_charge
	241	end
	242
ec069a	243	-- Wood found - cut it
9019eb	244	handle_drops(minetest.get_node_drops(node.name, ""))
S	245	minetest.remove_node(pos)
	246	remaining_charge = remaining_charge - chainsaw_charge_per_node
	247
	248	-- Check surroundings and run recursively if any charge left
16302c	249	for npos in iterSawTries(pos) do
9019eb	250	if remaining_charge < chainsaw_charge_per_node then
S	251	break
	252	end
16302c	253	if timber_nodenames[minetest.get_node(npos).name] then
S	254	remaining_charge = recursive_dig(npos, remaining_charge)
9019eb	255	end
S	256	end
c63658	257	return remaining_charge
P	258	end
	259
	260	-- Function to randomize positions for new node drops
	261	local function get_drop_pos(pos)
	262	local drop_pos = {}
	263
	264	for i = 0, 8 do
	265	-- Randomize position for a new drop
	266	drop_pos.x = pos.x + math.random(-3, 3)
	267	drop_pos.y = pos.y - 1
	268	drop_pos.z = pos.z + math.random(-3, 3)
	269
	270	-- Move the randomized position upwards until
	271	-- the node is air or unloaded.
	272	for y = drop_pos.y, drop_pos.y + 5 do
	273	drop_pos.y = y
	274	local node = minetest.get_node_or_nil(drop_pos)
	275
	276	if not node then
	277	-- If the node is not loaded yet simply drop
	278	-- the item at the original digging position.
	279	return pos
	280	elseif node.name == "air" then
9019eb	281	-- Add variation to the entity drop position,
S	282	-- but don't let drops get too close to the edge
	283	drop_pos.x = drop_pos.x + (math.random() * 0.8) - 0.5
	284	drop_pos.z = drop_pos.z + (math.random() * 0.8) - 0.5
c63658	285	return drop_pos
P	286	end
	287	end
	288	end
	289
	290	-- Return the original position if this takes too long
	291	return pos
e23f87	292	end
19c9a0	293
9019eb	294	-- Chainsaw entry point
S	295	local function chainsaw_dig(pos, current_charge)
	296	-- Start sawing things down
	297	local remaining_charge = recursive_dig(pos, current_charge)
	298	minetest.sound_play("chainsaw", {pos = pos, gain = 1.0,
	299	max_hear_distance = 10})
5cf765	300
9019eb	301	-- Now drop items for the player
S	302	for name, stack in pairs(produced) do
	303	-- Drop stacks of stack max or less
	304	local count, max = stack:get_count(), stack:get_stack_max()
	305	stack:set_count(max)
	306	while count > max do
	307	minetest.add_item(get_drop_pos(pos), stack)
	308	count = count - max
c63658	309	end
9019eb	310	stack:set_count(count)
S	311	minetest.add_item(get_drop_pos(pos), stack)
	312	end
	313
	314	-- Clean up
	315	produced = {}
	316
	317	return remaining_charge
5cf765	318	end
S	319
	320
	321	minetest.register_tool("technic:chainsaw", {
	322	description = S("Chainsaw"),
	323	inventory_image = "technic_chainsaw.png",
	324	stack_max = 1,
99fd5d	325	wear_represents = "technic_RE_charge",
00d7c9	326	on_refill = technic.refill_RE_charge,
5cf765	327	on_use = function(itemstack, user, pointed_thing)
S	328	if pointed_thing.type ~= "node" then
	329	return itemstack
	330	end
9019eb	331
5cf765	332	local meta = minetest.deserialize(itemstack:get_metadata())
9019eb	333	if not meta or not meta.charge or
S	334	meta.charge < chainsaw_charge_per_node then
5cf765	335	return
S	336	end
	337
9019eb	338	local name = user:get_player_name()
51c02e	339	if minetest.is_protected(pointed_thing.under, name) then
S	340	minetest.record_protection_violation(pointed_thing.under, name)
	341	return
9019eb	342	end
S	343
	344	-- Send current charge to digging function so that the
	345	-- chainsaw will stop after digging a number of nodes
	346	meta.charge = chainsaw_dig(pointed_thing.under, meta.charge)
b8c902	347	if not technic.creative_mode then
M	348	technic.set_RE_wear(itemstack, meta.charge, chainsaw_max_charge)
	349	itemstack:set_metadata(minetest.serialize(meta))
	350	end
5cf765	351	return itemstack
S	352	end,
	353	})
	354
e4c34c	355	local mesecons_button = minetest.get_modpath("mesecons_button")
T	356	local trigger = mesecons_button and "mesecons_button:button_off" or "default:mese_crystal_fragment"
	357
5cf765	358	minetest.register_craft({
9019eb	359	output = "technic:chainsaw",
c63658	360	recipe = {
e4c34c	361	{"technic:stainless_steel_ingot", trigger, "technic:battery"},
5e4a87	362	{"technic:fine_copper_wire", "technic:motor", "technic:battery"},
Z	363	{"", "", "technic:stainless_steel_ingot"},
c63658	364	}
5cf765	365	})
9019eb	366