sorcery  Check-in [9278734b41]

local grain = {
	hardness = 1;
	value = 1;
	powder = 'farming:flour';
	grindcost = 4;
}
return {
	grindables = {
		['farming:wheat'] = grain;
		['farming:rye'] = grain;
		['farming:oats'] = grain;
		['farming:barley'] = grain;
		['farming:rice'] = {
			powder = 'farming:rice_flour';
			hardness = 1;
			value = 1;
			grindcost = 4;
		}
	};
	ley = {
		['default:mese'] = {
			power = 0.25;
			mode = 'produce';
		};
	};
}

-- an optional 'enchant' function can be defined, and will
-- be called when the enchantment is placed on the object
local allgroups = {
	'sword'; 'pick'; 'pickaxe';
	'sickle'; 'scythe'; 'shovel';
	'hoe'; 'helmet'; 'leggings';
	'chestplate'; 'boots';
} 




return {
	endure = { -- withstand more blows
		name = 'Endure';
		cost = 1;
		tone = {232,102,255};
		desc = 'durability magnified';
		affinity = 'counterpraxic';
................................................................................
			return stack
		end;
	};
	drain = {
		groups = {'sword'};
		cost = 4;
	}; -- health vampirism








	harvest = { -- kills or digging ore replenish durability
		name = 'Harvest';
		cost = 0; -- energy is only depleted when repair takes place
		tone = {255,84,187};
		affinity = 'syncretic';
		groups = {
			'pick'; 'pickaxe'; 'sword';
................................................................................
			end
		end;
	};
	pierce = { -- faster mining speed
		name = 'Pierce';
		cost = 3;
		tone = {113,240,251};
		groups = {

			'pick';'pickaxe';'axe';'shovel';'sickle';
		};
		desc = 'rip through solid stone or wood like a hot knife through butter';
		recipe = {
			{lens = 'amplifier', gem = 'diamond',  dmg = 4};
			{lens = 'amplifier', gem = 'ruby',     dmg = 4};
			{lens = 'rectifier', gem = 'diamond',  dmg = 2};

-- an optional 'enchant' function can be defined, and will
-- be called when the enchantment is placed on the object
local allgroups = {
	'sword'; 'pick'; 'pickaxe';
	'sickle'; 'axe'; 'scythe';
	'shovel'; 'hoe'; 'helmet';
	'leggings'; 'chestplate'; 'boots';
} 
local digtools = {
	'pick'; 'pickaxe'; 'sickle';
	'shovel'; 'axe';
}
return {
	endure = { -- withstand more blows
		name = 'Endure';
		cost = 1;
		tone = {232,102,255};
		desc = 'durability magnified';
		affinity = 'counterpraxic';
................................................................................
			return stack
		end;
	};
	drain = {
		groups = {'sword'};
		cost = 4;
	}; -- health vampirism
	glitter = { -- created prolonged light on digging
		name = 'Glitter';
		groups = digtools;
		affinity = 'cognic';
		cost = 1;
		tone = {255,235,195};
		desc = 'Leave a trail of light hanging in the air as you dig';
	};
	harvest = { -- kills or digging ore replenish durability
		name = 'Harvest';
		cost = 0; -- energy is only depleted when repair takes place
		tone = {255,84,187};
		affinity = 'syncretic';
		groups = {
			'pick'; 'pickaxe'; 'sword';
................................................................................
			end
		end;
	};
	pierce = { -- faster mining speed
		name = 'Pierce';
		cost = 3;
		tone = {113,240,251};
		groups = digtools;
		{
			'pick';'pickaxe';'axe';'shovel';'sickle';
		};
		desc = 'rip through solid stone or wood like a hot knife through butter';
		recipe = {
			{lens = 'amplifier', gem = 'diamond',  dmg = 4};
			{lens = 'amplifier', gem = 'ruby',     dmg = 4};
			{lens = 'rectifier', gem = 'diamond',  dmg = 2};

	thunder = {
		color = {255,245,84};
		core = { 'sorcery:oil_flame', 'sorcery:oil_wind' };
		mix = {
			'sorcery:extract_onion';
			'tnt:gunpowder';
		};
	};







}

	thunder = {
		color = {255,245,84};
		core = { 'sorcery:oil_flame', 'sorcery:oil_wind' };
		mix = {
			'sorcery:extract_onion';
			'tnt:gunpowder';
		};
	};
	enchanting = {
		color = {222,57,239};
		core = { 'sorcery:oil_mystic', 'sorcery:oil_dawn', 'sorcery:oil_mushroom' };
		mix = {
			'sorcery:powder_cobalt';
			'sorcery:powder_cobalt';
			'sorcery:extract_grape';
		};
	};
}

return {
	tin = {
		ingot = 'default:tin_ingot';
		block = 'default:tinblock';
		tone = {172,172,172};
		no_tools = true; no_armor = true;

	};
	copper = {

		ingot = 'default:copper_ingot';
		block = 'default:copperblock';
		tone = {255,176,61};
		no_tools = true; no_armor = true;

	};
	brass = {
		tone = {255,226,87};

		artificial = true;
		no_tools = true; no_armor = true;

		mix = {
			metals = {
				silver = 1;
				copper = 4;
			};
		};
	};
	bronze = {
		ingot = 'default:bronze_ingot';
		block = 'default:bronzeblock';

		artificial = true;
		tone = {229,115,52};
		items = default_items('bronze');

		maxenergy = 150;
		slots = {
			{affinity = {'counterpraxic'}; confluence = 0.7};
		};
		mix = {
			metals = {
				copper = 4;
................................................................................
	};
	steel = {
		ingot = 'default:steel_ingot';
		block = 'default:steelblock';
		tone = {240,240,240};
		items = default_items('steel');
		maxenergy = 200;

		slots = {
			{affinity = {'praxic'}; confluence = 0.5};
		};
	};
	aluminum = {
		tone = {196,64,32}, alpha = 128;

		meltpoint = 1;
		rarity = 12; depth = 158;
		power = 3; speed = 2.4;
		durability = 700; cooktime = 25;

		armor_weight = 0.3;
		maxenergy = 400;
		slots = {
			{affinity = {'syncretic'}; confluence = 0.7};
			{affinity = {'praxic'}; confluence = 0.4};
		};
	};
	levitanium = {
		tone = {17,255,191}, alpha = 40;

		meltpoint = 4;

		rarity = 17; depth = 870;
		power = 1; durability = 50; cooktime = 70;
		armor_weight = -2.2; armor_protection = 1;
		maxenergy = 5000;
		no_tools = true;
	};
	platinum = {
		tone = {255,233,118}, alpha = 50;
		meltpoint = 1;
		rarity = 15; depth = 580;
		power = 4; speed = 3;

		durability = 1400; cooktime = 40;
		armor_weight = 0.7;
		maxenergy = 1000;
		slots = {
			{affinity = {'praxic','counterpraxic'}; confluence = 0.3};
			{affinity = {'counterpraxic'}; confluence = 0.8};
		}
	};
	gold = {

		ingot = 'default:gold_ingot';
		block = 'default:goldblock';
		tone = {255,225,47};

		maxenergy = 3000;
		slots = {
			{affinity = {'praxic','counterpraxic'}; confluence = 1.4};
			{affinity = {'praxic','counterpraxic'}; confluence = 1.2};
		}
	};
	silver = {
		tone = {218,255,246};


		maxenergy = 2000;

		depth = 380; rarity = 13.5;
		no_armor = true; no_tools = true;
		power = 1; cooktime = 8; hardness = 1;
	};
	electrum = {
		tone = {212, 255, 0}, alpha = 80;
		artificial = true;


		mix = {
			metals = {
				silver = 1;
				gold = 1;
			};
		};

		no_tools = true;
	};
	tungsten = {
		tone = {0,255,163}, alpha = 70;
		rarity = 14;
		speed = 2.8;
		power = 4;

		meltpoint = 4;
		cooktime = 100;
		durability = 2700;
		maxenergy = 1500;
		slots = {
			{affinity = {'counterpraxic'}, confluence = 0.6};
			{affinity = {'praxic','counterpraxic'}, confluence = 1};
			{affinity = {'praxic'}, confluence = 0.5};
		};
	};
	cobalt = {

		tone = {48,101,255}, alpha = 90;
		rarity = 17;
		durabilty = 900;

		power = 3;
		speed = 3.5;
		cooktime = 30;
		maxenergy = 3500;
		slots = {
			{
				affinity = {'counterpraxic'};
................................................................................
				confluence = 0.65;
				interference = {speed = 1};
			};
		}
	};
	lithium = {
		tone = {255,252,93}, alpha = 80;

		rarity = 13;


		no_tools = true;
		no_armor = true;
	};
	iridium = {
		tone = {209,88,241}, alpha = 80;

		rarity = 18;
		meltpoint = 3;
		cooktime = 340;

		maxenergy = 1800;
		durability = 1900;
		speed = 3.2;
		img = {
			-- ingot = 'sorcery_iridium_ingot.png';
			-- block = 'sorcery_iridium_block.png';
		};
................................................................................
	};
	duridium = {
		tone = {255,64,175}, alpha = 70;
		cooktime = 120;
		artificial = true;
		durability = 3400;
		speed = 3.1;

		power = 5;
		mix = {
			metals = {
				platinum = 4;
				aluminum = 4;
				tin = 1;
			};
................................................................................
	};
	impervium = {
		tone = {226,255,107}, alpha = 90;
		cooktime = 260;
		meltpoint = 5;
		artificial = true;
		speed = 2.1;

		durability = 5300;
		maxenergy = 2300;
		watercool = true;
		mix = {
			metals = {
				duranium = 4;
				iridium = 2;
................................................................................
	};
	eternium = {
		tone = {156,82,222}, alpha = 100;
		cooktime = 500;
		meltpoint = 6;
		artificial = true;
		speed = 2;

		maxenergy = 1200;
		durability = 8100;
		watercool = true;
		mix = {
			metals = {
				iridium = 2;
				tungsten = 2;
................................................................................
	};
	unobtanium = {
		tone = {114,255,214}, alpha = 120;
		meltpoint = 3;
		cooktime = 330;
		artificial = true;
		maxenergy = 4000;

		durability = 3300;
		speed = 3.4;
		slots = {
			{affinity={'praxic'}, confluence = 0.7};
			{affinity={'counterpraxic'}, confluence = 1.2};
			{affinity={'cognic'}, confluence = 1.1};
		};

return {
	tin = {
		ingot = 'default:tin_ingot';
		block = 'default:tinblock';
		tone = {172,172,172};
		no_tools = true; no_armor = true;
		hardness = 2;
	};
	copper = {
		dye = 'orange';
		ingot = 'default:copper_ingot';
		block = 'default:copperblock';
		tone = {255,176,61};
		no_tools = true; no_armor = true;
		hardness = 2;
	};
	brass = {
		tone = {255,226,87};
		dye = 'bright_orange';
		artificial = true;
		no_tools = true; no_armor = true;
		hardness = 3;
		mix = {
			metals = {
				silver = 1;
				copper = 4;
			};
		};
	};
	bronze = {
		ingot = 'default:bronze_ingot';
		block = 'default:bronzeblock';
		dye = 'dark_orange';
		artificial = true;
		tone = {229,115,52};
		items = default_items('bronze');
		hardness = 4;
		maxenergy = 150;
		slots = {
			{affinity = {'counterpraxic'}; confluence = 0.7};
		};
		mix = {
			metals = {
				copper = 4;
................................................................................
	};
	steel = {
		ingot = 'default:steel_ingot';
		block = 'default:steelblock';
		tone = {240,240,240};
		items = default_items('steel');
		maxenergy = 200;
		hardness = 5;
		slots = {
			{affinity = {'praxic'}; confluence = 0.5};
		};
	};
	aluminum = {
		tone = {196,64,32}, alpha = 128;
		dye = 'red';
		meltpoint = 1;
		rarity = 12; depth = 158;
		power = 3; speed = 2.4;
		durability = 700; cooktime = 25;
		hardness = 6;
		armor_weight = 0.3;
		maxenergy = 400;
		slots = {
			{affinity = {'syncretic'}; confluence = 0.7};
			{affinity = {'praxic'}; confluence = 0.4};
		};
	};
	levitanium = {
		tone = {17,255,191}, alpha = 40;
		dye = 'bright_blue';
		meltpoint = 4;
		hardness = 3;
		rarity = 17; depth = 870;
		power = 1; durability = 50; cooktime = 70;
		armor_weight = -2.2; armor_protection = 1;
		maxenergy = 5000;
		no_tools = true;
	};
	platinum = {
		tone = {255,233,118}, alpha = 50;
		meltpoint = 1;
		rarity = 15; depth = 580;
		power = 4; speed = 3;
		hardness = 6;
		durability = 1400; cooktime = 40;
		armor_weight = 0.7;
		maxenergy = 1000;
		slots = {
			{affinity = {'praxic','counterpraxic'}; confluence = 0.3};
			{affinity = {'counterpraxic'}; confluence = 0.8};
		}
	};
	gold = {
		dye = 'yellow';
		ingot = 'default:gold_ingot';
		block = 'default:goldblock';
		tone = {255,225,47};
		hardness = 1;
		maxenergy = 3000;
		slots = {
			{affinity = {'praxic','counterpraxic'}; confluence = 1.4};
			{affinity = {'praxic','counterpraxic'}; confluence = 1.2};
		}
	};
	silver = {
		tone = {218,255,246};

		dye = 'white';
		maxenergy = 2000;
		hardness = 1;
		depth = 380; rarity = 13.5;
		no_armor = true; no_tools = true;
		power = 1; cooktime = 8; hardness = 1;
	};
	electrum = {
		tone = {212, 255, 0}, alpha = 80;
		artificial = true;
		hardness = 1;
		dye = 'bright_green';
		mix = {
			metals = {
				silver = 1;
				gold = 1;
			};
		};
		sinter = { 'silver', 'gold' };
		no_tools = true;
	};
	tungsten = {
		tone = {0,255,163}, alpha = 70;
		rarity = 14;
		speed = 2.8;
		power = 4;
		hardness = 8;
		meltpoint = 4;
		cooktime = 100;
		durability = 2700;
		maxenergy = 1500;
		slots = {
			{affinity = {'counterpraxic'}, confluence = 0.6};
			{affinity = {'praxic','counterpraxic'}, confluence = 1};
			{affinity = {'praxic'}, confluence = 0.5};
		};
	};
	cobalt = {
		dye = 'blue';
		tone = {48,101,255}, alpha = 90;
		rarity = 17;
		durabilty = 900;
		hardness = 6;
		power = 3;
		speed = 3.5;
		cooktime = 30;
		maxenergy = 3500;
		slots = {
			{
				affinity = {'counterpraxic'};
................................................................................
				confluence = 0.65;
				interference = {speed = 1};
			};
		}
	};
	lithium = {
		tone = {255,252,93}, alpha = 80;
		dye = 'yellow';
		rarity = 13;
		hardness = 2;
		fuel = 80;
		no_tools = true;
		no_armor = true;
	};
	iridium = {
		tone = {209,88,241}, alpha = 80;
		dye = 'purple';
		rarity = 18;
		meltpoint = 3;
		cooktime = 340;
		hardness = 7;
		maxenergy = 1800;
		durability = 1900;
		speed = 3.2;
		img = {
			-- ingot = 'sorcery_iridium_ingot.png';
			-- block = 'sorcery_iridium_block.png';
		};
................................................................................
	};
	duridium = {
		tone = {255,64,175}, alpha = 70;
		cooktime = 120;
		artificial = true;
		durability = 3400;
		speed = 3.1;
		hardness = 9;
		power = 5;
		mix = {
			metals = {
				platinum = 4;
				aluminum = 4;
				tin = 1;
			};
................................................................................
	};
	impervium = {
		tone = {226,255,107}, alpha = 90;
		cooktime = 260;
		meltpoint = 5;
		artificial = true;
		speed = 2.1;
		hardness = 20;
		durability = 5300;
		maxenergy = 2300;
		watercool = true;
		mix = {
			metals = {
				duranium = 4;
				iridium = 2;
................................................................................
	};
	eternium = {
		tone = {156,82,222}, alpha = 100;
		cooktime = 500;
		meltpoint = 6;
		artificial = true;
		speed = 2;
		hardness = 9;
		maxenergy = 1200;
		durability = 8100;
		watercool = true;
		mix = {
			metals = {
				iridium = 2;
				tungsten = 2;
................................................................................
	};
	unobtanium = {
		tone = {114,255,214}, alpha = 120;
		meltpoint = 3;
		cooktime = 330;
		artificial = true;
		maxenergy = 4000;
		hardness = 7;
		durability = 3300;
		speed = 3.4;
		slots = {
			{affinity={'praxic'}, confluence = 0.7};
			{affinity={'counterpraxic'}, confluence = 1.2};
			{affinity={'cognic'}, confluence = 1.1};
		};

		desc = 'Pour life-energy into the soil, causing flowers and trees to spring up at your command';
		affinity = {'jungle','verdant'};
	};
	praxic        = anchorwand('praxic',       16, {'pine','shimmering','blazing'});
	counterpraxic = anchorwand('counterpraxic',23, {'pine','shimmering','silent'});
	entropic      = anchorwand('entropic',      8, {'jungle','dark'});
	syncretic     = anchorwand('syncretic',    12, {'aspen','verdant','shimmering','blazing'});
	cognic        = anchorwand('cognic',       36, {'acacia','verdant','dark'});



	shape = {
		name = 'shaping';
		uses = 24;
		color = {255,114,65};
		leytype = 'praxic';
		affinity = {'apple','blazing'};
		desc = 'With an enchanter, physically alter the mundane qualities of an object';

		desc = 'Pour life-energy into the soil, causing flowers and trees to spring up at your command';
		affinity = {'jungle','verdant'};
	};
	praxic        = anchorwand('praxic',       16, {'pine','shimmering','blazing'});
	counterpraxic = anchorwand('counterpraxic',23, {'pine','shimmering','silent'});
	entropic      = anchorwand('entropic',      8, {'jungle','dark'});
	syncretic     = anchorwand('syncretic',    12, {'aspen','verdant','shimmering','blazing'});
	cognic        = anchorwand('cognic',       32, {'acacia','verdant','dark'});
	occlutic      = anchorwand('occlutic',     15, {'apple','silent','dark'});
	imperic       = anchorwand('imperic',       8, {'apple','verdant','blazing'});
	mandatic      = anchorwand('mandatic',     18, {'jungle','verdant','silent'});
	shape = {
		name = 'shaping';
		uses = 24;
		color = {255,114,65};
		leytype = 'praxic';
		affinity = {'apple','blazing'};
		desc = 'With an enchanter, physically alter the mundane qualities of an object';

		-- determine the power of a particular enchantment on
		-- an enchanted item.
		local e = sorcery.enchant.get(stack)
		local p = 0.0
		local slots = sorcery.matreg.lookup[stack:get_name()].data.slots
		-- TODO handle strength-boosting spells!
		for _,s in pairs(e.spells) do
			print(dump(s))
			if s.id == id then p = p + ((s.boost * slots[s.slot].confluence)/10) end
		end
		return p
	end
	sorcery.enchant.stackup = function(stack)
		-- stack update function. this should be called whenever
		-- the enchantment status of a stack changes; it will
................................................................................
minetest.register_craftitem('sorcery:enchanter_pedestal',{
	inventory_image = 'sorcery_enchanter_pedestal.png';
	description = 'Pedestal';
})
minetest.register_craft {
	output = 'sorcery:enchanter_channeler';
	recipe = {
		{'','default:bronze_ingot',''};
		{'basic_materials:gold_wire','basic_materials:steel_strip','basic_materials:gold_wire'};
		{'','sorcery:electrum_ingot',''};
	};
	replacements = {


		{'basic_materials:gold_wire','basic_materials:empty_spool'};
		{'basic_materials:gold_wire','basic_materials:empty_spool'};
	};
}
minetest.register_craft {
	output = 'sorcery:enchanter_pedestal';
	recipe = {
		{'basic_materials:copper_strip','group:wood','basic_materials:copper_strip'};
		{'','default:bronze_ingot',''};
		{'','group:wood',''};
	};
}
minetest.register_craft {
	output = 'sorcery:enchanter';
	recipe = {
		{'','sorcery:enchanter_channeler',''};
		{'sorcery:enchanter_channeler','sorcery:enchanter_pedestal','sorcery:enchanter_channeler'};
		{'group:wood','group:wood','group:wood'};
	};




}
for i=1,10 do
	minetest.register_node('sorcery:air_flash_' .. i, {
		drawtype = 'airlike';
		pointable = false; walkable = false;
		buildable_to = true;
		sunlight_propagates = true;
................................................................................
	-- replace the air with a "glow-air" that removes
	-- itself after a short period of time, to create
	-- a flash of light when an enchanted tool's used
	-- to dig out a node
	local tool = puncher:get_wielded_item()
	local ench = sorcery.enchant.get(tool)
	if #ench.spells == 0 then return end
	print('enchanted!')
	local sparks = {}
	-- local spark = function(name,color)
	local material = sorcery.enchant.getsubj(tool)
	local totalcost = 0
	do local done = {} for _,sp in pairs(ench.spells) do
		if done[sp.id] then goto skip end
		done[sp.id] = true

		-- determine the power of a particular enchantment on
		-- an enchanted item.
		local e = sorcery.enchant.get(stack)
		local p = 0.0
		local slots = sorcery.matreg.lookup[stack:get_name()].data.slots
		-- TODO handle strength-boosting spells!
		for _,s in pairs(e.spells) do

			if s.id == id then p = p + ((s.boost * slots[s.slot].confluence)/10) end
		end
		return p
	end
	sorcery.enchant.stackup = function(stack)
		-- stack update function. this should be called whenever
		-- the enchantment status of a stack changes; it will
................................................................................
minetest.register_craftitem('sorcery:enchanter_pedestal',{
	inventory_image = 'sorcery_enchanter_pedestal.png';
	description = 'Pedestal';
})
minetest.register_craft {
	output = 'sorcery:enchanter_channeler';
	recipe = {
		{'sorcery:grease_enchanting','sorcery:platinum_ingot','sorcery:grease_enchanting'};
		{'basic_materials:gold_wire','basic_materials:steel_strip','basic_materials:gold_wire'};
		{'','sorcery:electrum_ingot',''};
	};
	replacements = {
		{'sorcery:grease_enchanting','xdecor:bowl'};
		{'sorcery:grease_enchanting','xdecor:bowl'};
		{'basic_materials:gold_wire','basic_materials:empty_spool'};
		{'basic_materials:gold_wire','basic_materials:empty_spool'};
	};
}
minetest.register_craft {
	output = 'sorcery:enchanter_pedestal';
	recipe = {
		{'basic_materials:copper_strip','group:wood','basic_materials:copper_strip'};
		{'','sorcery:iridium_ingot',''};
		{'','group:wood',''};
	};
}
minetest.register_craft {
	output = 'sorcery:enchanter';
	recipe = {
		{'sorcery:grease_sealant','sorcery:enchanter_channeler','sorcery:grease_sealant'};
		{'sorcery:enchanter_channeler','sorcery:enchanter_pedestal','sorcery:enchanter_channeler'};
		{'group:wood','group:wood','group:wood'};
	};
	replacements = {
		{'sorcery:grease_sealant','xdecor:bowl'};
		{'sorcery:grease_sealant','xdecor:bowl'};
	};
}
for i=1,10 do
	minetest.register_node('sorcery:air_flash_' .. i, {
		drawtype = 'airlike';
		pointable = false; walkable = false;
		buildable_to = true;
		sunlight_propagates = true;
................................................................................
	-- replace the air with a "glow-air" that removes
	-- itself after a short period of time, to create
	-- a flash of light when an enchanted tool's used
	-- to dig out a node
	local tool = puncher:get_wielded_item()
	local ench = sorcery.enchant.get(tool)
	if #ench.spells == 0 then return end

	local sparks = {}
	-- local spark = function(name,color)
	local material = sorcery.enchant.getsubj(tool)
	local totalcost = 0
	do local done = {} for _,sp in pairs(ench.spells) do
		if done[sp.id] then goto skip end
		done[sp.id] = true

--- gemstones


sorcery.register_gem = function(name,gem)
	local itemname = gem.foreign or 'sorcery:gem_' .. name
	local shardname = gem.foreign_shard or 'sorcery:gem_' .. name .. '_shard'
	local amuletname = gem.foreign_amulet or 'sorcery:gem_' .. name .. '_amulet'

	local tools, armors = sorcery.matreg.tools, sorcery.matreg.armors
	if gem.tools then for _,t in pairs(tools) do
		sorcery.matreg.lookup[(gem.items and gem.items[t]) or ('sorcery:' .. t .. '_' .. name)] = {
			gem = true;
			id = name; data = gem;

		}
	end end
	if gem.armor then for _,a in pairs(armors) do
		sorcery.matreg.lookup[(gem.items and gem.items[a]) or ('sorcery:' .. a .. '_' .. name)] = {
			gem = true;
			id = name; data = gem;

		}
	end end

	if gem.foreign_shard then
		minetest.clear_craft {output=shardname}
	else
		minetest.register_craftitem(shardname, {

--- gemstones
local shards_per_gem = 9

sorcery.register_gem = function(name,gem)
	local itemname = gem.foreign or 'sorcery:gem_' .. name
	local shardname = gem.foreign_shard or 'sorcery:gem_' .. name .. '_shard'
	local amuletname = gem.foreign_amulet or 'sorcery:gem_' .. name .. '_amulet'

	local tools, armors = sorcery.matreg.tools, sorcery.matreg.armors
	if gem.tools then for t,c in pairs(tools) do
		sorcery.matreg.lookup[(gem.items and gem.items[t]) or ('sorcery:' .. t .. '_' .. name)] = {
			gem = true;
			id = name; data = gem;
			value = c.cost*shards_per_gem;
		}
	end end
	if gem.armor then for a,c in pairs(armors) do
		sorcery.matreg.lookup[(gem.items and gem.items[a]) or ('sorcery:' .. a .. '_' .. name)] = {
			gem = true;
			id = name; data = gem;
			value = c.cost*shards_per_gem;
		}
	end end

	if gem.foreign_shard then
		minetest.clear_craft {output=shardname}
	else
		minetest.register_craftitem(shardname, {

	'tbl', 'class';
	-- wrappers
	'color', 'image', 'ui';
}

sorcery.unit() { 'compat', 'matreg' }
sorcery.unit('data') {

	'affinities'; 'gods';
	'enchants', 'spells';
	'gems', 'metals';
	'potions', 'oils', 'greases',
		'draughts', 'elixirs',
		'philters', 'extracts';
	'register';
}

for _,u in pairs {
	'leylines'; 'ores'; 'gems';
	'potions'; 'infuser'; 'altar'; 'wands';
	'tools'; 'enchanter'; 'harvester';

	'metallurgy-hot'; 'entities'; 'recipes';
	'coins'; 'interop'; 'tnodes';
} do sorcery.load(u) end

	'tbl', 'class';
	-- wrappers
	'color', 'image', 'ui';
}

sorcery.unit() { 'compat', 'matreg' }
sorcery.unit('data') {
	'compat';
	'affinities'; 'gods';
	'enchants', 'spells';
	'gems', 'metals';
	'potions', 'oils', 'greases',
		'draughts', 'elixirs',
		'philters', 'extracts';
	'register';
}

for _,u in pairs {
	'leylines'; 'ores'; 'gems';
	'potions'; 'infuser'; 'altar'; 'wands';
	'tools'; 'enchanter'; 'harvester';
	'metallurgy-hot', 'metallurgy-cold';
	'entities'; 'recipes'; 'coins';
	'interop'; 'tnodes';
} do sorcery.load(u) end

-- contains functions for determining information about
-- the nearest leyline and its currents

sorcery.ley = {}

-- leylines are invisible force-currents that rise up from the core of the earth, carrying magical energy upwards. they weaken as they get closer to the surface. each leyline also has between one and three 'affinities', which control how easily they can be wielded to perform particular sorts of magic. for instance, telestratic-affine leylines will charge wands enchanted with telestratic spells more quickly than leylines lacking this affinity.



sorcery.ley.estimate = function(pos)
	local affs = {
		'praxic'; 'counterpraxic'; 'cognic';
		'mandatic'; 'occlutic'; 'imperic';
		'syncretic'; 'entropic';
	};
................................................................................
	privs = { server = true };
	func = function(caller,params)
		local pos = minetest.get_player_by_name(caller):get_pos()
		local ley = sorcery.ley.estimate(pos)
		minetest.chat_send_player(caller, 'Leyline force ' .. tostring(ley.force) .. ' with affinities ' .. table.concat(ley.aff, ','))
	end;
})

-- contains functions for determining information about
-- the nearest leyline and its currents

sorcery.ley = {}

-- leylines are invisible force-currents that rise up from the core of the earth, carrying magical energy upwards. they weaken as they get closer to the surface. each leyline also has between one and three 'affinities', which control how easily they can be wielded to perform particular sorts of magic. for instance, praxic-affine leylines will charge wands enchanted with praxic spells more quickly than leylines lacking this affinity.
-- leylines are one of two mystic energy forms; the other is aetheric energy, which is beamed down from Heaven by the sun during the day and is the power wielded by the gods. mortals can make limited use of aetheric force by collecting it and beaming it from place to place -- see aether.lua (aether is stored and manipulated by use of diamond)
-- leylines are always available, unlike aetheric force, which can only be collected during the day. but aetheric force is accessible wherever one can see the sky, and the higher up you are, the more you can collect, whereas leylines vary randomly in strength and affinity by position.

sorcery.ley.estimate = function(pos)
	local affs = {
		'praxic'; 'counterpraxic'; 'cognic';
		'mandatic'; 'occlutic'; 'imperic';
		'syncretic'; 'entropic';
	};
................................................................................
	privs = { server = true };
	func = function(caller,params)
		local pos = minetest.get_player_by_name(caller):get_pos()
		local ley = sorcery.ley.estimate(pos)
		minetest.chat_send_player(caller, 'Leyline force ' .. tostring(ley.force) .. ' with affinities ' .. table.concat(ley.aff, ','))
	end;
})

-- leyline energy can be transmitted via a conduit from a leysink. however, it cannot be stored like aetheric energy can be; leyline energy must be drawn when needed unless it is bound up in an enchantment (which simply delays its expression). leysinks provide a constant source of ley-force.
-- there are two nodes for transmitting leyline energy, wires and conduits. wires transmit a limited amount of energy, but are cheap and small. conduits transmit much more, but are expensive and take up full blocks. both are composed of electrum, the carrier, and copper, which prevents the ley-force from leaking out as dangerous radiance.

minetest.register_node('sorcery:conduit', {
	description = 'Conduit';
	tiles = {
		'sorcery_conduit_copper_top.png';
		'sorcery_conduit_copper_top.png';
		'sorcery_conduit_copper_side.png';
	};
	groups = {
		sorcery_ley_device = 1;
		cracky = 3;
	};
	_sorcery = {
		ley = { mode = 'signal'; power = 10 };
	};
})
minetest.register_craft {
	output = 'sorcery:conduit 4';
	recipe = {
		{'default:copper_ingot', 'default:copper_ingot',  'default:copper_ingot'};
		{'default:copper_ingot', 'sorcery:electrumblock', 'default:copper_ingot'};
		{'default:copper_ingot', 'default:copper_ingot',  'default:copper_ingot'};
	};
};
minetest.register_craft {
	output = 'sorcery:wire 4';
	recipe = {
		{'', 'basic_materials:copper_wire',''};
		{'', 'sorcery:fragment_electrum',  ''};
		{'', 'basic_materials:copper_wire',''};
	}
};

sorcery.ley.field_to_current = function(strength,time)
	local ley_factor = 0.25
	-- a ley harvester will produce this much current with
	-- access to a full-strength leyline
	
	return strength * ley_factor * time;
end

do -- register condenser
	local gem = sorcery.lib.image('default_diamond_block.png')
	local amethyst = gem:multiply(sorcery.lib.color(sorcery.data.gems.amethyst.tone))
	local emerald = gem:multiply(sorcery.lib.color(sorcery.data.gems.emerald.tone))
	local box = {
		type = 'fixed';
		fixed = {
			-0.5, -0.5, -0.5;
			 0.5,  1.2,  0.5;
		};
	};
	minetest.register_node('sorcery:condenser', {
		description = 'Condenser';
		drawtype = 'mesh';
		mesh = 'sorcery-condenser.obj';
		selection_box = box;
		collision_box = box;
		tiles = {
			amethyst:render();
			'sorcery_condenser.png';
			'default_tin_block.png';
			'default_stone.png';
			'default_copper_block.png';
			emerald:render();
		};
		groups = {
			cracky = 2;
			sorcery_ley_device = 1;
		};
		on_construct = function(pos)
			local meta = minetest.get_meta(pos)
			meta:set_string('infotext','Condenser')
		end;
		_sorcery = {
			ley = { mode = 'produce' };
			on_leycalc = function(pos,time)
				local l = sorcery.ley.estimate(pos)
				return {
					power = sorcery.ley.field_to_current(l.force, time);
					affinity = l.aff;
				}
			end;
		};
	})
end

minetest.register_craft {
	output = 'sorcery:condenser';
	recipe = {
		{'sorcery:accumulator'};
		{'sorcery:conduit'};
	};
}
sorcery.ley.mapnet = function(startpos,power)
	-- this function returns a list of all the nodes accessible from
	-- a ley network and their associated positions
	local net = {}
	power = power or 0
	
	local devices = {
		consume = {};
		produce = {};
		signal = {};
	}
	local numfound = 0
	local maxconduct = 0
	local minconduct
	local foundp = function(p)
		for k in pairs(net) do
			if vector.equals(p,k) then return true end
		end
		return false
	end
	-- we're implementing this with a recursive function to start with
	-- but this could rapidly lead to stack overflows so we should
	-- replace it with a linear one at some point
	local function find(positions)
		local searchnext = {}
		for _,pos in pairs(positions) do
			for _,p in pairs {
				{x =  0, z =  0, y =  0};
				{x = -1, z =  0, y =  0};
				{x =  1, z =  0, y =  0};
				{x =  0, z = -1, y =  0};
				{x =  0, z =  1, y =  0};
				{x =  0, z =  0, y = -1};
				{x =  0, z =  0, y =  1};
			} do local sum = vector.add(pos,p)
				if not foundp(sum) then
					local nodename = minetest.get_node(sum).name
					if minetest.get_item_group(nodename,'sorcery_ley_device') ~= 0
					   or sorcery.data.compat.ley[nodename] then
						local d = sorcery.ley.sample(pos,1,nodename)
						assert(d.mode == 'signal'
						    or d.mode == 'consume'
						    or d.mode == 'produce')
						devices[d.mode][#(devices[d.mode]) + 1] = {
							id = nodename; pos = sum;
						}
						if d.mode == 'signal' then
							if d.power > power then
								if minconduct then
									if d.power < minconduct then
										minconduct = d.power
									end
								else minconduct = d.power end
								if d.power > maxconduct then
									maxconduct = d.power
								end
							end
						end
						numfound = numfound + 1;
						net[sum] = nodename;
						searchnext[#searchnext + 1] = sum;
					end
				end
			end
		end
		if #searchnext > 0 then find(searchnext) end
	end

	find{startpos}

	if numfound > 0 then
		return {
			count = numfound;
			map = net;
			devices = devices;
			conduct = {
				min = minconduct;
				max = maxconduct;
			};
		}
	else return nil end
end

do local afftbl = {
		[1] = 'praxic';   [2] = 'counterpraxic';
		[3] = 'cognic';   [4] = 'syncretic';
		[5] = 'mandatic'; [6] = 'occlutic';
		[7] = 'imperic';  [8] = 'entropic';
	}
	local modetbl = {
		[0] = 'none';
		[1] = 'consume';
		[2] = 'produce';
		[3] = 'signal';
	}
	for i=1,#afftbl  do afftbl [afftbl [i]] = i end
	for i=1,#modetbl do modetbl[modetbl[i]] = i end
	local m = sorcery.lib.marshal
	local enc, dec = m.transcoder {
		mode = m.t.u8;
		power = m.t.u32; -- power generated/consumed * 10,000
		affinity = m.g.array(m.t.u8); -- indexes into afftbl
	}
	sorcery.ley.encode = function(l)
		local idxs = {}
		for _,k in pairs(l.affinity) do
			idxs[#idxs+1] = afftbl[k]
		end
		return meta_armor(enc {
			mode = modetbl[l.mode];
			power = l.power * 10000;
			affinity = idxs;
		}, true)
	end
	sorcery.ley.decode = function(str)
		local obj = dec(meta_dearmor(str,true))
		local affs = {}
		for _,k in pairs(obj.affinity) do
			affs[#affs+1] = afftbl[k]
		end
		return {
			mode = modetbl[obj.mode];
			power = obj.power / 10000.0;
			affinity = affs;
		}
	end
end
sorcery.ley.setnode = function(pos,l)
	local meta = minetest.get_node(pos)
	meta:set_string('sorcery:ley',sorcery.ley.encode(l))
end

sorcery.ley.sample = function(pos,timespan,name)
	-- returns how much ley-force can be transmitted by a
	-- device over timespan
	name = name or minetest.get_node(pos).name
	local props = minetest.registered_nodes[name]._sorcery
	local callback = props and props.on_leycalc or nil
	local p,a,m
	if callback then
		local gen = callback(pos,timespan)
		p = gen.power
		a = gen.affinity
		m = gen.mode
	end

	if not (p and a and m) then
		local nm = minetest.get_meta(pos)
		if nm:contains('sorcery:ley') then
			local l = sorcery.ley.decode(nm:get_string('sorcery:ley'))
			p = p or sorcery.ley.field_to_current(l.power,timespan)
			a = a or l.affinity
			m = m or l.mode
		end
	end

	if (not (p and a and m)) and props and props.ley then
		p = p or sorcery.ley.field_to_current(props.ley.power,timespan)
		a = a or props.ley.affinity
		m = m or props.ley.mode
	end

	if (not (p and a and m)) then
		local compat = sorcery.data.compat.ley[name] 
		if compat then
			p = p or sorcery.ley.field_to_current(compat.power,timespan)
			a = a or compat.affinity
			m = m or compat.mode
		end
	end

	return {
		power = p or 0;
		mode = m or 'none';
		affinity = a or {};
	}
end

sorcery.ley.netcaps = function(pos,timespan,exclude)
	local net = sorcery.ley.mapnet(pos)
	local maxpower = 0
	local freepower = 0
	local affs,usedaffs = {},{}
	for _,n in pairs(net.devices.produce) do
		if not exclude or not vector.equals(n.pos,exclude) then
			local ln = sorcery.ley.sample(n.pos,timespan,n.id)
			maxpower = maxpower + ln.power
			for _,a in pairs(ln.affinity) do
				affs[a] = (affs[a] or 0) + 1
			end
		end
	end
	freepower = maxpower;
	for _,n in pairs(net.devices.consume) do
		if not exclude or not vector.equals(n.pos,exclude) then
			local ln = sorcery.ley.sample(n.pos,timespan,n.id)
			freepower = freepower - ln.power
			for _,a in pairs(ln.affinity) do
				usedaffs[a] = (usedaffs[a] or 0) + 1
			end
		end
	end
	
	return {
		net = net;
		freepower = freepower;
		maxpower = maxpower;
		affinity = affs;
		affinity_balance = usedaffs;
	}
end

-- minetest provides its own built-in serializer mechanisms.
-- however, these leave much to be desired: the first works
-- by converting values to *lua source code* and 'deserializes'
-- these values by executing it in a mildly sandboxed env.
-- it's LSON basically. the other serializer is JSON. clearly
-- we need something better. if this was lua 5.3, we'd just
-- use string.pack, but alas, they had to use luajit, which
-- is stuck on an ancient version because it no longer exists.
-- if we built against moonjit, we could use pack, but then
-- that would raise compat issues for other users who might
-- want to use these mods. so we need to write our own.
--
-- good news is, it's very easy to do better than both the

-- minetest people and the clowns at PUC-Rio. (if only we had
-- general purpose bitops, it would be even easier)







local m = {
	err = {
		unmarshalled = {
			exp = 'the bytes passed are not a marshalled data structure';
		};
		corrupt = {

-- minetest provides its own  built-in serializer mechanisms. however,
-- these  leave much  to be  desired:  the first  works by  converting
-- values  to *lua  source code*  and 'deserializes'  these values  by
-- executing it  in a mildly  sandboxed env. it's LSON  basically. the
-- other serializer is JSON. clearly we need something better. if this
-- was lua 5.3,  we'd just use string.pack, but alas,  they had to use

-- luajit, which is  stuck on an ancient version because  it no longer
-- exists. if  we built against moonjit,  we could use pack,  but then
-- that would  raise compat issues for  other users who might  want to
-- use these mods. so we need to write our own.
--

-- good news  is, it's very easy  to do better than  both the minetest
-- people and the  clowns at PUC-Rio. (if only we  had general purpose
-- bitops, it would be even easier)
--
-- WARNING: when storing binary data  in minetest metadata stores, the
-- bytes  0x01-0x03 MUST  be avoided  or they  will break  the kvstore
-- format and  the item/node's metadata  will become corrupt.  use the
-- lib.str.meta_{,de}armor functions  on the output of  pack/unpack to
-- safely store and retrieve data structures from meta storage.

local m = {
	err = {
		unmarshalled = {
			exp = 'the bytes passed are not a marshalled data structure';
		};
		corrupt = {

-- marshal provides low-level data marshalling capabilities, but
-- for various reasons it's handy to have a higher-level interface
-- that allows us to register and retrieve data structures from
-- node or item metadata. this library provides that interface.

-- objstore consists of a single function that returns a structure
-- store. this structure-store should be saved to a variable, and
-- called upon to register or modify attributes. every node or item
-- that contains metadata contains a list of attached structures,
-- which themselves contain a list of attached records. this allows
-- structures to be extended at will without disrupting existing
-- metadata storage.

-- WARNING: this is likely incompatible with the StorageRef backend,
-- which uses json -- need to figure out how to make the marshalling
-- format compatible

local lib = sorcery.lib
local m = lib.marshal

local recpack, recunpack = m.transcoder {
	recs = m.g.array(m.g.struct {
		id = m.t.str;
		data = m.t.blob;
	});
}
return function() {
	return {
		structs = {};
		register = function(self,id)
			local struc = {
				id = id;
				records = {};
				register_record = function(self,def)
					if not records[def.id] then
						records[def.id] = def
						return true
					else
						return false
					end
				end;
				_encode = function(self,data)
					local obj = {}
					for k,v in pairs(records) do
						local t = m.transcoder(v.fields)
						obj[#obj + 1] = {
							id = k;
							data = t(data[k]);
						}
					end
					return recpack(obj)
				end;
				_decode = function(self,str)
				end;
				_meta = function(self,store)
					return {
						store = store;
						_getall = function(iself)
							return self:_decode(lib.str.meta_dearmor(iself.store:get_string('objstore:'..id),true))
						end;
						_save = function(iself,obj)
							iself.store:set_string('objstore:'..id, lib.str.meta_armor(self:_encode(obj)))
						end;
						get = function(self,rec)
							local recs = recunpack(lib.str.meta_dearmor(self.store:get_string('objstore:'..id),true))
							for _,r in pairs(recs) do
								if r.id == rec then
									return r
								end
							end
							return nil
						end;
						merge = function(self,obj)
							-- obj should be a table of structure {
							--		record_id = { record_field = value; }
							-- }, e.g.:
							--   sorcery.store.enchantment.merge {
							--		spells = {
							--			[4] = { id = 'dowse, boost = 15 }
							--		}
							--	}
							local recs = self:_getall()
							for rec,flds in pairs(obj) do
								for k,v in pairs(flds) do
									if not recs[rec] then recs[rec] = {} end
									recs[rec][k] = v
								end
							end
							self:_save(recs)
						end;
					}
				end;
				item = function(self,stack)
					return self:_meta(stack:get_meta())
				end;
				node = function(self,pos)
					return self:_meta(minetest.get_meta(pos))
				end;
				user = function(self,u)
					if type(u) == 'string' then
						u = minetest.get_player_by_name(u)
					end
					return self:_meta(u:get_meta())
				end;
			}
			self.structs[id] = struc;
			return struc;
		end;
	}
}

return {
	lookup = {};
	tools = {
		'pick'; 'axe'; 'shovel';
		'sword'; 'hoe';



	};
	armors = {
		'helmet'; 'boots'; 'shield';



		'chestplate'; 'leggings';

	};
}

return {
	lookup = {};
	tools = {
		pick = { cost = 3; };
		axe = { cost = 3; };
		shovel = { cost = 1; };
		sword = { cost = 2; };
		hoe = { cost = 2; };
	};
	armors = {

		helmet = { cost = 5 };
		boots = { cost = 4 };
		leggings = { cost = 6 };
		chestplate = { cost = 8 };
		shield = { cost = 7 };
	};
}

-- eventually this will need to be a powered node,
-- but for now i'm just overlooking the need for
-- power and making it work for free
local constants = {
	mill_refresh = 1;
	-- interval at which the mill progress is checked
	-- the formspec is updated

	grind_range = 20;
	-- maximum difference between the hardness of
	-- any two metals in the database
	
	grind_grace_range = 2;
	-- how many levels of hardness a grind head
	-- can grind above its own (while taking massive
	-- levels of damage)

	grind_grace_penalty = 3;
	-- factor by which wear is increased when grinding
	-- above your paygrade

	grind_factor = 10;
	-- adjusts the amount of time it takes to grind
	-- metal into powder
	
	grind_wear = 2000;
	-- amount of damage done to a grind head grinding
	-- metal of equal hardness. increased or decreased
	-- depending on differential
	
	grind_torque_factor = 0.1;
	-- how many points of hardness translate into how
	-- much ley-current needed (per second)
	
	metal_grindvalue = 4;
	-- how many powders an ingot is worth

	default_grindvalue = 1;
	-- number of items produced when not otherwise
	-- specified
	
	default_hardness = 1;
	-- difficulty to grind an item when not otherwise
	-- specified

	metal_grindcost = 1;
	-- number of metal items needed to perform a grind
}
local mill_formspec_update = function(pos,pct,stat1,stat2)
	-- eventually we'll want to display available
	-- energy here, but for now we're just assuming
	-- max energy available

	-- local meta = minetest.get_meta(pos)
	-- local inv = meta:get_inventory()
	-- local torque = 20
	stat1 = stat1 or 'off'
	minetest.get_meta(pos):set_string('formspec', string.format([[
		size[8,7.2]
		list[context;grinder;2.5,1;1,1;0]
		list[context;grinder;4.5,1;1,1;1]
		list[context;input;3.5,0.2;1,1]
		list[context;output;2,2.2;4,1]
		image[3.5,1.2;1,1;gui_furnace_arrow_bg.png^[lowpart:%u%%:gui_furnace_arrow_fg.png^[transformR180]

		image[1.6,1.0;1,1;sorcery_statlamp_%s.png]
		image[5.4,1.0;1,1;sorcery_statlamp_%s.png]
		
		image[2.5,1;1,1;sorcery_mill_grindhead_shade.png]
		image[4.5,1;1,1;sorcery_mill_grindhead_shade.png]

		list[current_player;main;0,3.5;8,4]
	]], 100*pct, stat1, stat2 or stat1))
end
local mill_update = function(pos)
	minetest.get_node_timer(pos):start(constants.mill_refresh)
end
local mill_fits_in_slot = function(slot,item)
	if slot == 'grinder' then
		if minetest.get_item_group(item:get_name(), 'sorcery_mill_grindhead')~=0 
			then return 1 end
	elseif slot == 'input' then
		local metal = sorcery.data.metallookup[item:get_name()]
		local mat = sorcery.matreg.lookup[item:get_name()]
		local comp = sorcery.data.compat.grindables[item:get_name()]
		if metal or mat.metal or comp then
			return item:get_count()
		else
			local mat = item:get_definition()._matprop
			if mat and mat.grindvalue then
				return item:get_count() 
			end
		end
	end
	return 0
end
local matprops = function(item)
	local metal = sorcery.data.metallookup[item:get_name()]
	if not metal then
		-- allow grinding of armor and tools back to their
		-- original components
		local mat = sorcery.matreg.lookup[item:get_name()]
		if mat.metal then
			metal = mat
		else
			return nil
		end
	end
	local mp = item:get_definition()._matprop
		or sorcery.data.compat.grindables[item:get_name()]
		or {}

	again = true
	if metal then mp = {
		hardness = metal.data.hardness or mp.hardness or constants.default_hardness;
		grindvalue = metal.value or mp.grindvalue or (metal and constants.metal_grindvalue) or constants.default_grindvalue;
		powder = metal.data.parts.powder or mp.powder;
		grindcost = constants.metal_grindcost or mp.grindcost; -- invariant for metal
	} end

	mp.torque = constants.grind_torque_factor * mp.hardness

	if item:get_wear() ~= 0 then
		-- prevent cheating by recovering metal from items before they
		-- are destroyed
		local wearfac = (item:get_wear() / 65535)
		mp.grindvalue = math.max(1,math.ceil(mp.grindvalue * wearfac))
		mp.hardness = math.max(1,math.ceil(mp.grindcost * wearfac))
		mp.torque = math.max(1,math.ceil(mp.torque * wearfac))
	end

	return mp
end
minetest.register_node('sorcery:mill',{
	description = 'Mill';
	groups = {
		cracky = 2;
		sorcery_ley_device = 1;
	};
	paramtype2 = 'facedir';
	on_construct = function(pos)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		inv:set_size('input',1)
		inv:set_size('output',4)
		inv:set_size('grinder',2)
		meta:set_float('grindtime',0)
		meta:set_int('active',0)
		mill_formspec_update(pos, 0)
	end;
	on_metadata_inventory_put = function(pos,listname)
		if listname == 'input' then
			minetest.get_meta(pos):set_float('grindtime',0)
		end
		mill_update(pos)
	end;
	on_metadata_inventory_take = function(pos,listname)
		if listname == 'input' then
			minetest.get_meta(pos):set_float('grindtime',0)
		end
		mill_update(pos)
	end;
	on_metadata_inventory_move = function(pos,fl,fi,tl,ti)
		if fl == 'input' or tl == 'input' then
			minetest.get_meta(pos):set_float('grindtime',0)
		end
		mill_update(pos)
	end;
	_sorcery = {
		ley = { mode = 'consume'; affinity = {'praxic'}};
		on_leyconnect = mill_update;
		on_leycalc = function(pos,time)
			local meta = minetest.get_meta(pos)
			local active = meta:get_int('active') == 1
			if not active then return { power = 0; } end
			local inv = meta:get_inventory()
			local item = inv:get_stack('input',1)
			if item:is_empty() then
				meta:set_int('active', 0)
				return { power = 0; }
			end
			return {
				power = matprops(item).torque * time;
			}
		end;
	};
	on_timer = function(pos,delta)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		local elapsed = meta:get_float('grindtime') + delta
		local ley = sorcery.ley.netcaps(pos,delta,pos)
		local again = false
		local active = false
		local reqtime -- sigh
		local statcolor = 'off'
		local grinders_on
		if inv:is_empty('input') or inv:is_empty('grinder') then
			print('empty')
			elapsed = 0
			mill_formspec_update(pos, 0)
		else
			local item = inv:get_stack('input',1)
			local mp = matprops(item)
			if mp.grindcost > item:get_count() then
				elapsed = 0
				mill_formspec_update(pos, 0)
				print('bad grindcost')
				goto stop
			end

			-- print('power supply',ley.maxpower)
			-- print('power available',ley.freepower)
			-- print('power needed',mp.torque*delta)
			if ley.maxpower < (mp.torque * delta) then
				-- not enough potential energy in the system to grind
				-- so don't bother
				print('not enough power')
				statcolor = 'red'
				elapsed = 0 goto stop
			elseif ley.freepower < (mp.torque * delta) then
				-- the net has enough potential energy to supply us,
				-- but too much of it is in use right now. give up
				-- on this round, but try again in a bit to see if
				-- more energy is available
				print('currently not enough power')
				statcolor = 'yellow'
				elapsed = 0 again = true goto stop
			end

			local grinders = 0
			local grindpower = 0
			local grind_wear = {}
			local grinders_present = false
			grinders_on = {false,false}
			for i=1,inv:get_size('grinder') do
				local gh = inv:get_stack('grinder',i)
				if not gh:is_empty() then
					grinders_present = true
					local hh = sorcery.data.metals[gh:get_definition()._proto.metal].hardness
					local dif = mp.hardness - hh
					local wear
					if dif == 0 then
						wear = constants.grind_wear
					elseif dif < 0 then
						wear = constants.grind_wear * ((dif * -1)/constants.grind_range)
					elseif dif > 0 then
						if dif > constants.grind_grace_range then
							wear = 0
							print('grinder reject')
							goto reject
						else
							wear = constants.grind_wear * (1 + (dif/constants.grind_range)) * constants.grind_grace_penalty
						end
					end
					::accept:: grinders = grinders + 1
					           grindpower = grindpower + hh
							   grinders_on[i] = true
					::reject:: grind_wear[i] = wear
				end
			end
			if grinders == 0 then
				if grinders_present then
					statcolor = 'purple'
				end
				elapsed = 0
				mill_formspec_update(pos, 0)
			else
				active = true again = true 
				if grindpower < mp.hardness then
					statcolor = 'yellow'
				else statcolor='green' end
				grindpower = grindpower / grinders
				-- if there is more power available than needed,
				-- and/or if the blades are stronger than needed,
				-- speed up the grind
				local speedboost = math.max(0.05,((grindpower - mp.hardness)/constants.grind_range) * grinders) * ((mp.torque * delta) / ley.freepower)
				reqtime = mp.grindvalue * mp.hardness * constants.grind_factor * (1-speedboost)
				if elapsed >= reqtime then
					item:take_item(mp.grindcost)
					inv:set_stack('input',1,item)
					local pw = ItemStack{
						name=mp.powder;
						count=mp.grindvalue;
					}
					if inv:room_for_item('output',pw) then
						inv:add_item('output',pw)
					else
						minetest.add_item(pos,pw)
					end
					elapsed = 0
					for i,d in pairs(grind_wear) do
						local item = inv:get_stack('grinder',i)
						item:add_wear(grind_wear[i])
						inv:set_stack('grinder',i,item)
					end
				end
			end
		end
		
		::stop:: meta:set_float('grindtime',elapsed)
		         local sc1, sc2 = 'off','off'
				 if grinders_on then
					 sc1 = grinders_on[1] and statcolor or sc1
					 sc2 = grinders_on[2] and statcolor or sc2
				 else
					 sc1 = statcolor sc2=sc1
				 end
		         mill_formspec_update(pos, active and (elapsed/reqtime) or 0, sc1,sc2)
		         meta:set_int('active',active and 1 or 0)
		         return again
	end;
	allow_metadata_inventory_put = function(pos,list,idx,stack,user)
		return mill_fits_in_slot(list,stack) end;
	allow_metadata_inventory_move = function(pos,fromlist,fromidx,tolist,toidx,count,user)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		local stack = inv:get_stack(fromlist,fromidx)
		return mill_fits_in_slot(tolist,stack)
	end;
	tiles = {
		'sorcery_mill_top.png^[transformR90';
		'sorcery_mill_bottom.png';
		'sorcery_mill_side.png';
		'sorcery_mill_side.png';
		'sorcery_mill_back.png';
		'sorcery_mill_front.png';
	};
})
minetest.register_craft {
	output = 'sorcery:mill';
	recipe = {
		{'basic_materials:chain_steel','basic_materials:gear_steel','basic_materials:chain_steel'};
		{'basic_materials:gear_steel', 'basic_materials:steel_bar', 'basic_materials:gear_steel'};
		{'default:tin_ingot','default:steelblock','default:tin_ingot'};
	};
}
for name,metal in pairs(sorcery.data.metals) do
	local i,f = metal.parts.ingot, metal.parts.fragment
	local id = 'sorcery:mill_grindhead_' .. name
	minetest.register_tool(id,{
		description = sorcery.lib.str.capitalize(name) .. ' Grinding Head';
		inventory_image = sorcery.lib.image('sorcery_mill_grindhead.png'):multiply(sorcery.lib.color(metal.tone)):render();
		groups = { sorcery_mill_grindhead = 1 };
		_proto = {
			metal = name;
		};
	});
	minetest.register_craft {
		output = id;
		recipe = {
			{f,i,f};
			{i,i,i};
			{f,i,f};
		};
	}
end

# Blender v2.82 (sub 7) OBJ File: 'condenser.blend'
# www.blender.org
mtllib sorcery-condenser.mtl
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g Cube.011_Cube.013_gem.002
usemtl gem.002
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g Cube.006_Cube.014_conduit.001
usemtl conduit.001
s off
f 28/41/7 18/42/7 20/43/7 29/44/7
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vn -1.0000 0.0000 0.0000
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vn 0.0000 0.0000 1.0000
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g Cube.009_Cube.017_copper.001
usemtl copper.001
s off
f 165/311/26 166/312/26 168/313/26 167/314/26
f 167/315/27 168/316/27 172/317/27 171/318/27
f 171/318/28 172/317/28 170/319/28 169/320/28
f 169/321/29 170/322/29 166/312/29 165/311/29
f 172/323/30 168/324/30 174/325/30 175/326/30
f 170/327/30 172/323/30 175/326/30 176/328/30
f 168/324/30 166/329/30 173/330/30 174/325/30
f 166/329/30 170/327/30 176/328/30 173/330/30
f 177/331/26 178/332/26 180/333/26 179/334/26
f 179/335/27 180/336/27 184/337/27 183/338/27
f 183/338/28 184/337/28 182/339/28 181/340/28
f 181/341/29 182/342/29 178/332/29 177/331/29
f 184/343/30 180/344/30 186/345/30 187/346/30
f 182/347/30 184/343/30 187/346/30 188/348/30
f 180/344/30 178/349/30 185/350/30 186/345/30
f 178/349/30 182/347/30 188/348/30 185/350/30
f 189/351/26 190/352/26 192/353/26 191/354/26
f 191/355/27 192/356/27 196/357/27 195/358/27
f 195/358/28 196/357/28 194/359/28 193/360/28
f 193/361/29 194/362/29 190/352/29 189/351/29
f 196/363/30 192/364/30 198/365/30 199/366/30
f 194/367/30 196/363/30 199/366/30 200/368/30
f 192/364/30 190/369/30 197/370/30 198/365/30
f 190/369/30 194/367/30 200/368/30 197/370/30
f 223/371/28 259/372/28 264/373/28 247/374/28
f 203/375/31 210/376/31 209/377/31 206/378/31
f 208/379/31 211/380/31 210/376/31 203/375/31
f 202/381/31 212/382/31 211/380/31 208/379/31
f 206/378/31 209/377/31 212/382/31 202/381/31
f 216/383/26 213/384/26 238/385/26 240/386/26
f 201/387/30 214/388/30 213/389/30 205/390/30
f 207/391/30 215/392/30 214/388/30 201/387/30
f 204/393/30 216/394/30 215/392/30 207/391/30
f 205/390/30 213/389/30 216/394/30 204/393/30
f 226/395/31 227/396/31 251/397/31 249/398/31
f 205/399/28 218/400/28 272/401/28 269/402/28
f 204/403/28 219/404/28 218/400/28 205/399/28
f 203/405/28 220/406/28 278/407/28 277/408/28
f 206/409/28 217/410/28 220/406/28 203/405/28
f 219/411/27 268/412/27 273/413/27 243/414/27
f 204/415/29 222/416/29 263/417/29 257/418/29
f 207/419/29 223/420/29 222/416/29 204/415/29
f 208/421/29 224/422/29 280/423/29 279/424/29
f 203/425/29 221/426/29 224/422/29 208/421/29
f 212/427/29 209/428/29 234/429/29 236/430/29
f 201/431/27 226/432/27 271/433/27 260/434/27
f 205/399/27 227/435/27 226/432/27 201/431/27
f 206/409/27 228/436/27 288/437/27 281/438/27
f 202/439/27 225/440/27 228/436/27 206/409/27
f 229/441/27 296/442/27 295/443/27 254/444/27
f 207/419/26 230/445/26 267/446/26 258/447/26
f 201/448/26 231/449/26 230/445/26 207/419/26
f 202/450/26 232/451/26 290/452/26 289/453/26
f 208/421/26 229/454/26 232/451/26 202/450/26
f 236/455/32 256/456/32 254/457/32 235/458/32
f 248/459/33 235/458/33 254/444/33
f 240/460/34 245/461/34 247/462/34 239/463/34
f 239/463/35 253/464/35 255/465/35 237/466/35
f 248/459/36 254/444/36 295/443/36 286/467/36
f 247/462/37 239/463/37 253/468/37
f 230/469/31 231/470/31 255/471/31 253/472/31
f 220/473/30 217/474/30 242/475/30 244/476/30
f 227/477/26 270/478/26 275/479/26 251/480/26
f 224/481/30 221/482/30 246/483/30 248/484/30
f 231/485/29 261/486/29 265/487/29 255/488/29
f 228/489/30 225/490/30 250/491/30 252/492/30
f 232/493/30 229/494/30 254/495/30 256/496/30
f 209/428/26 210/497/26 233/498/26 234/429/26
f 213/384/29 214/499/29 237/500/29 238/385/29
f 210/501/27 211/502/27 235/458/27 233/503/27
f 217/504/29 282/505/29 287/506/29 242/507/29
f 214/508/28 215/509/28 239/463/28 237/466/28
f 221/510/26 285/511/26 283/512/26 246/513/26
f 211/502/28 212/514/28 236/455/28 235/458/28
f 218/515/31 219/516/31 243/517/31 241/518/31
f 225/519/28 291/520/28 292/521/28 250/522/28
f 215/509/27 216/523/27 240/460/27 239/463/27
f 222/524/31 223/525/31 247/526/31 245/527/31
f 235/458/38 248/459/38 246/528/38 233/503/38
f 236/430/39 250/529/39 256/530/39
f 234/429/40 252/531/40 250/529/40 236/430/40
f 249/532/41 255/488/41 265/487/41 274/533/41
f 255/488/42 249/532/42 237/500/42
f 237/500/43 249/532/43 251/534/43 238/385/43
f 241/535/44 238/385/44 251/534/44
f 238/385/45 241/536/45 243/537/45 240/386/45
f 241/535/46 251/534/46 275/538/46 276/539/46
f 252/531/37 234/429/37 242/507/37
f 233/498/47 244/540/47 242/541/47 234/429/47
f 245/461/48 240/460/48 243/414/48
f 244/542/49 246/528/49 283/543/49 284/544/49
f 246/528/50 244/542/50 233/503/50
f 286/545/28 280/546/28 224/547/28 248/548/28
f 259/549/31 258/550/31 267/551/31 266/552/31 264/553/31
f 263/554/31 262/555/31 273/556/31 268/557/31 257/558/31
f 270/559/31 269/560/31 272/561/31 276/562/31 275/563/31
f 271/564/31 274/565/31 265/566/31 261/567/31 260/568/31
f 273/413/49 262/569/49 245/461/49 243/414/49
f 258/447/29 259/570/29 223/420/29 207/419/29
f 281/438/28 282/571/28 217/410/28 206/409/28
f 289/572/27 291/573/27 225/440/27 202/439/27
f 264/574/36 266/575/36 253/468/36 247/462/36
f 269/402/27 270/576/27 227/435/27 205/399/27
f 287/506/46 293/577/46 252/531/46 242/507/46
f 262/578/26 263/579/26 222/580/26 245/581/26
f 277/582/29 285/583/29 221/426/29 203/425/29
f 257/584/28 268/585/28 219/404/28 204/403/28
f 260/586/26 261/587/26 231/449/26 201/448/26
f 274/588/28 271/589/28 226/590/28 249/591/28
f 284/544/27 278/592/27 220/593/27 244/542/27
f 279/424/26 296/594/26 229/454/26 208/421/26
f 294/595/29 290/596/29 232/597/29 256/530/29
f 293/598/26 288/599/26 228/600/26 252/601/26
f 266/575/27 267/602/27 230/603/27 253/468/27
f 289/604/30 290/605/30 294/606/30 292/607/30 291/608/30
f 277/609/30 278/610/30 284/611/30 283/612/30 285/613/30
f 286/614/30 295/615/30 296/616/30 279/617/30 280/618/30
f 282/619/30 281/620/30 288/621/30 293/622/30 287/623/30
f 276/539/29 272/624/29 218/625/29 241/535/29
f 292/626/41 294/595/41 256/530/41 250/529/41
f 177/331/51 185/350/51 188/348/51 181/341/51
f 179/334/52 186/345/52 185/350/52 177/331/52
f 183/338/53 187/346/53 186/345/53 179/334/53
f 181/341/54 188/348/54 187/346/54 183/338/54
f 171/318/53 175/326/53 174/325/53 167/315/53
f 169/320/54 176/328/54 175/326/54 171/318/54
f 165/311/51 173/330/51 176/328/51 169/320/51
f 167/315/52 174/325/52 173/330/52 165/311/52
f 189/351/51 197/370/51 200/368/51 193/361/51
f 193/361/54 200/368/54 199/366/54 195/358/54
f 195/358/53 199/366/53 198/365/53 191/355/53
f 191/355/52 198/365/52 197/370/52 189/351/52
o Cube.010_Cube.018
v 0.059889 0.868714 -0.028534
v 0.059889 0.976405 -0.028534
v 0.059889 0.976405 0.091016
v 0.059889 0.868714 0.091016
v -0.059660 0.868714 0.091016
v -0.059660 0.976405 0.091016
v -0.059660 0.976405 -0.028534
v -0.059660 0.868714 -0.028534
vt 0.000000 1.000000
vt 1.000000 1.000000
vt 1.000000 0.000000
vt 0.000000 0.000000
vt 1.000000 0.049599
vt 0.000000 0.049599
vt 0.000000 0.950401
vt 1.000000 0.950401
vt 0.000000 0.049599
vt 1.000000 0.049599
vt 1.000000 0.950401
vt 0.000000 0.950401
vt 1.000000 0.049599
vt 1.000000 0.950401
vt 0.000000 0.049599
vt 0.000000 0.950401
vt 0.000000 1.000000
vt 0.000000 0.000000
vt 1.000000 0.000000
vt 1.000000 1.000000
vn 0.0000 -1.0000 0.0000
vn 0.0000 0.0000 -1.0000
vn 0.0000 0.0000 1.0000
vn -1.0000 0.0000 0.0000
vn 1.0000 0.0000 0.0000
vn 0.0000 1.0000 0.0000
g Cube.010_Cube.018_gem.001
usemtl gem.001
s off
f 304/627/55 297/628/55 300/629/55 301/630/55
f 297/631/56 304/632/56 303/633/56 298/634/56
f 301/635/57 300/636/57 299/637/57 302/638/57
f 304/639/58 301/635/58 302/638/58 303/640/58
f 300/641/59 297/631/59 298/634/59 299/642/59
f 303/643/60 302/644/60 299/645/60 298/646/60

		value = fragments_per_ingot * 9;
	};
}

local tools, armors = sorcery.matreg.tools, sorcery.matreg.armors
for name, metal in pairs(sorcery.data.metals) do
	local ingot = metal.ingot or 'sorcery:' .. name .. '_ingot'
	local block = metal.block or 'sorcery:' .. name .. '_block'
	local screw = 'sorcery:screw_' .. name
	local fragment = 'sorcery:fragment_' .. name








	if not metal.no_tools then for _,t in pairs(tools) do
		sorcery.matreg.lookup[(metal.items and metal.items[t]) or ('sorcery:' .. t .. '_' .. name)] = {
			metal = true;
			id = name; data = metal;

		}
	end end
	if not metal.no_armor then for _,a in pairs(armors) do
		sorcery.matreg.lookup[(metal.items and metal.items[a]) or ('sorcery:' .. a .. '_' .. name)] = {
			metal = true;
			id = name; data = metal;

		}
	end end
	sorcery.data.metallookup[ingot] = {
		id = name; data = metal;
		value = fragments_per_ingot;
	}
	sorcery.data.metallookup[block] = {
................................................................................
		value = 1;
	}
	sorcery.data.metallookup[screw] = {
		id = name; data = metal;
		value = 0; -- prevent use in smelting
	}
	minetest.register_craftitem(screw, {
		description = sorcery.lib.str.capitalize(name) .. ' screw';
		inventory_image = sorcery.lib.image('sorcery_screw.png'):multiply(sorcery.lib.color(metal.tone)):render();
	})

















	-- TODO: replace crafting recipe with kiln recipe
	minetest.register_craft {
		output = screw.. ' 4';
		recipe = {
			{fragment,fragment,fragment};
			{'',      fragment,''};
			{'',      fragment,''};
................................................................................
			lump_image = (metal.image and metal.image.lump) or nil;
			armor_weight = metal.armor_weight;
			armor_protection = metal.armor_protection;
		}
	end
	minetest.register_craftitem(fragment, {
		inventory_image = 'sorcery_' .. name .. '_fragment.png';
		description = sorcery.lib.str.capitalize(name) .. ' fragment';
	})






	minetest.register_craft {
		type = 'cooking';
		recipe = ingot;
		cooktime = (metal.cooktime or 4) / 2;
		output = fragment .. ' ' .. tostring(fragments_per_ingot);
	}
	do local rec = {}
................................................................................
			rec[#rec+1]=fragment 
		end
		minetest.register_craft {
			type = 'shapeless';
			recipe = rec;
			output = ingot;
		}







	end
	if metal.mix then
		sorcery.data.register.alloy(sorcery.lib.tbl.merge(metal.mix, {
			output = name;
			cooktime = metal.cooktime or 10;
		}))
	end




end

		value = fragments_per_ingot * 9;
	};
}

local tools, armors = sorcery.matreg.tools, sorcery.matreg.armors
for name, metal in pairs(sorcery.data.metals) do
	local ingot = metal.ingot or 'sorcery:' .. name .. '_ingot'
	local block = metal.block or 'sorcery:' .. name .. 'block'
	local screw = 'sorcery:screw_' .. name
	local fragment = 'sorcery:fragment_' .. name
	local powder = 'sorcery:powder_' .. name
	metal.parts = {
		ingot = ingot;
		block = block;
		screw = screw;
		fragment = fragment;
		powder = powder;
	}
	if not metal.no_tools then for t,c in pairs(tools) do
		sorcery.matreg.lookup[(metal.items and metal.items[t]) or ('sorcery:' .. t .. '_' .. name)] = {
			metal = true;
			id = name; data = metal;
			value = c.cost * fragments_per_ingot;
		}
	end end
	if not metal.no_armor then for a,c in pairs(armors) do
		sorcery.matreg.lookup[(metal.items and metal.items[a]) or ('sorcery:' .. a .. '_' .. name)] = {
			metal = true;
			id = name; data = metal;
			value = c.cost * fragments_per_ingot;
		}
	end end
	sorcery.data.metallookup[ingot] = {
		id = name; data = metal;
		value = fragments_per_ingot;
	}
	sorcery.data.metallookup[block] = {
................................................................................
		value = 1;
	}
	sorcery.data.metallookup[screw] = {
		id = name; data = metal;
		value = 0; -- prevent use in smelting
	}
	minetest.register_craftitem(screw, {
		description = sorcery.lib.str.capitalize(name) .. ' Screw';
		inventory_image = sorcery.lib.image('sorcery_screw.png'):multiply(sorcery.lib.color(metal.tone)):render();
	})
	minetest.register_craftitem(powder, {
		description = sorcery.lib.str.capitalize(name) .. ' Powder';
		inventory_image = 'sorcery_' .. name .. '_powder.png';
	})
	if metal.dye then
		minetest.register_craft {
			output = 'dye:' .. metal.dye .. ' 4';
			recipe = {
				{'',     powder,                   ''};
				{powder,'basic_materials:paraffin',powder};
				{'','bucket:bucket_water',''};
			};
			replacements = {
				{'bucket:bucket_water', 'bucket:bucket_empty'};
			};
		};
	end
	-- TODO: replace crafting recipe with kiln recipe
	minetest.register_craft {
		output = screw.. ' 4';
		recipe = {
			{fragment,fragment,fragment};
			{'',      fragment,''};
			{'',      fragment,''};
................................................................................
			lump_image = (metal.image and metal.image.lump) or nil;
			armor_weight = metal.armor_weight;
			armor_protection = metal.armor_protection;
		}
	end
	minetest.register_craftitem(fragment, {
		inventory_image = 'sorcery_' .. name .. '_fragment.png';
		description = sorcery.lib.str.capitalize(name) .. ' Fragment';
	})
	minetest.register_craft {
		type = 'cooking';
		recipe = powder;
		cooktime = (metal.cooktime or 4) * 1.5;
		output = fragment;
	}
	minetest.register_craft {
		type = 'cooking';
		recipe = ingot;
		cooktime = (metal.cooktime or 4) / 2;
		output = fragment .. ' ' .. tostring(fragments_per_ingot);
	}
	do local rec = {}
................................................................................
			rec[#rec+1]=fragment 
		end
		minetest.register_craft {
			type = 'shapeless';
			recipe = rec;
			output = ingot;
		}
	end
	if metal.fuel then
		minetest.register_craft {
			type = 'fuel';
			recipe = powder;
			burntime = metal.fuel;
		}
	end
	if metal.mix then
		sorcery.data.register.alloy(sorcery.lib.tbl.merge(metal.mix, {
			output = name;
			cooktime = metal.cooktime or 10;
		}))
	end
	if metal.sinter then
		local powders = {}
		for _,m in pairs(metal.sinter) do
			powders[#powders+1] = 'sorcery:powder_' .. m
		end
		minetest.register_craft {
			type = 'shapeless';
			output = powder .. ' ' .. tostring(#powders);
			recipe = powders;
		};
	end
end