fun_caves/wallhammer.lua

---------------------------------------------------------------
-- Wallhammer
---------------------------------------------------------------
-- This is a cut-down version of DonBatman's mymasonhammer
-- (https://github.com/DonBatman/mymasonhammer). This version only
-- does toeholds, and makes them more ladder-like.
---------------------------------------------------------------


local USES = 100

local default_material = {
		{"default:cobble", "default_cobble", "Cobble", {cracky = 3, not_in_creative_inventory=1}, nil},
		{"default:stone","default_stone", "Stone", {cracky = 3, not_in_creative_inventory=1}, "default:cobble"},
		{"default:desert_stone","default_desert_stone", "Desert Stone", {cracky = 3, not_in_creative_inventory=1}, nil},
		{"default:desert_cobble","default_desert_cobble", "Desert Cobble", {cracky = 3, not_in_creative_inventory=1}, nil},
		{"default:sandstone","default_sandstone", "Sandstone", {cracky = 3, not_in_creative_inventory=1}, nil},
		{"fun_caves:stone_with_lichen","default_stone", "Stone", {cracky = 3, not_in_creative_inventory=1}, "default:cobble"},
		{"fun_caves:stone_with_algae","default_stone", "Stone", {cracky = 3, not_in_creative_inventory=1}, "default:cobble"},
		{"fun_caves:stone_with_moss","default_stone", "Stone", {cracky = 3, not_in_creative_inventory=1}, "default:cobble"},
		{"fun_caves:stone_with_salt","caverealms_salty2", "Stone", {cracky = 3, not_in_creative_inventory=1}, "fun_caves:stone_with_salt"},
		}

local function parti(pos)
  	minetest.add_particlespawner(25, 0.3,
		pos, pos,
		{x=2, y=0.2, z=2}, {x=-2, y=2, z=-2},
		{x=0, y=-6, z=0}, {x=0, y=-10, z=0},
		0.2, 1,
		0.2, 2,
		true, "wallhammer_parti.png")
end

local function get_pointed_thing(player, range)
	local plpos = player:getpos()
	plpos.y = plpos.y+1.625
	local dir = player:get_look_dir()
	local p2 = vector.add(plpos, vector.multiply(dir, range))
	local _,pos = minetest.line_of_sight(plpos, p2)
	if not pos then
		return
	end
	local check = minetest.get_node(pos)
	if string.find(check.name, '_foot') then
		pos = vector.add(pos, dir)
		print('added')
	end
	return {
		under = vector.round(pos),
		above = vector.round(vector.subtract(pos, dir)),
		type = "node"
	}
end

minetest.register_tool( "fun_caves:wall_hammer",{
	description = "Wall Hammer",
	inventory_image = "wallhammer_hammer.png",
	wield_image = "wallhammer_hammer.png",
	tool_capabilities = {
		full_punch_interval = 1.0,
		max_drop_level=1,
		groupcaps={
			cracky = {times={[1]=4.00, [2]=1.60, [3]=0.80}, uses=20, maxlevel=0},
		},
		damage_groups = {fleshy=4},
	},
	on_use = function(itemstack, user, pointed_thing)

		if pointed_thing.type ~= "node" then
			return
		end

		local pos = pointed_thing.under
		local node = minetest.get_node(pos)

		for i in ipairs (default_material) do
			local item = default_material [i][1]
			local mat = default_material [i][2]
			local desc = default_material [i][3]

			if minetest.is_protected(pos, user:get_player_name()) then
				minetest.record_protection_violation(pos, user:get_player_name())
				return
			end

			if node.name == item then
				minetest.set_node(pos,{name = "fun_caves:"..mat.."_foot", param2=minetest.dir_to_facedir(user:get_look_dir())})
				parti(pos)
			end
		end

		if not minetest.setting_getbool("creative_mode") then
			itemstack:add_wear(65535 / (USES - 1))
		end

		return itemstack
	end,
})

minetest.register_craft({
	output = "fun_caves:wall_hammer",
	recipe = {
		{"", "fun_caves:dry_fiber", ""},		
		{"default:steel_ingot", "default:steel_ingot", "group:stick"},
		{"", "fun_caves:dry_fiber", ""},		
	},
})

minetest.register_craft({
	output = "fun_caves:wall_hammer",
	type = "shapeless",
	recipe = {
		"fun_caves:wall_hammer", "default:steel_ingot",	
	},
})


for i in ipairs (default_material) do
	local item = default_material [i][1]
	local mat = default_material [i][2]
	local desc = default_material [i][3]
	local gro = default_material [i][4]
	local drop = default_material[i][5]

	if not drop then
		drop = item
	end

	minetest.register_node("fun_caves:"..mat.."_foot", {
		description =  desc.." Foot Hold Block",
		drawtype = "nodebox",
		tiles = {
			mat..".png^[colorize:#FFFFFF:40",
			mat..".png^[colorize:#000000:80",
			mat..".png^[colorize:#000000:60",
			mat..".png^[colorize:#000000:60",
			mat..".png^[colorize:#000000:60",
			mat..".png^[colorize:#FFFFFF:20",
		},
		paramtype = "light",
		paramtype2 = "facedir",
		walkable = true,
		climbable = true,
		drop = drop,
		groups = gro,
		node_box = {
			type = "fixed",
			fixed = {
				{-0.5, -0.5, 0.4, 0.5, 0.5, 0.5},
				{-0.375, -0.3125, 0.3, -0.125, -0.125, 0.4},
				{0.125, 0.1875, 0.3, 0.375, 0.375, 0.4},
			}
		},
		selection_box = {
			type = "fixed",
			fixed = {
				{-0.5, -0.5, 0.45, 0.5, 0.5, 0.5},
			}
		},
		collision_box = {
			type="fixed",
			fixed = {
				{-0.5, -0.5, 0.4, 0.5, 0.5, 0.5},
			}
		},
	})

end