More mcl_core refactoring

mods/ITEMS/mcl_core/nodes_climb.lua

@@ -0,0 +1,156 @@
+-- Climbable nodes
+
+minetest.register_node("mcl_core:ladder", {
+	description = "Ladder",
+	_doc_items_longdesc = "A piece of ladder which allows you to climb vertically. Ladders can only be placed on the side of solid blocks and not on glass, leaves, ice, slabs, glowstone, nor sea lanterns.",
+	drawtype = "signlike",
+	is_ground_content = false,
+	tiles = {"default_ladder.png"},
+	inventory_image = "default_ladder.png",
+	wield_image = "default_ladder.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	walkable = true,
+	climbable = true,
+	node_box = {
+		type = "wallmounted",
+		wall_side = { -0.5, -0.5, -0.5, -7/16, 0.5, 0.5 },
+	},
+	selection_box = {
+		type = "wallmounted",
+		wall_side = { -0.5, -0.5, -0.5, -7/16, 0.5, 0.5 },
+	},
+	stack_max = 64,
+	groups = {handy=1,axey=1, attached_node=1, deco_block=1, dig_by_piston=1},
+	sounds = mcl_sounds.node_sound_wood_defaults(),
+	node_placement_prediction = "",
+	-- Restrict placement of ladders
+	on_place = function(itemstack, placer, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			-- no interaction possible with entities
+			return itemstack
+		end
+
+		local under = pointed_thing.under
+		local node = minetest.get_node(under)
+		local def = minetest.registered_nodes[node.name]
+		if not def then
+			return itemstack
+		end
+		local groups = def.groups
+
+		-- Don't allow to place the ladder at particular nodes
+		if (groups and (groups.glass or groups.leaves or groups.slab)) or
+				node.name == "mcl_core:ladder" or node.name == "mcl_core:ice" or node.name == "mcl_nether:glowstone" or node.name == "mcl_ocean:sea_lantern" then
+			return itemstack
+		end
+
+		-- Check special rightclick action of pointed node
+		if def and def.on_rightclick then
+			if not placer:get_player_control().sneak then
+				return def.on_rightclick(under, node, placer, itemstack,
+					pointed_thing) or itemstack, false
+			end
+		end
+		local above = pointed_thing.above
+
+		-- Ladders may not be placed on ceiling or floor
+		if under.y ~= above.y then
+			return itemstack
+		end
+		local idef = itemstack:get_definition()
+		local success = minetest.item_place_node(itemstack, placer, pointed_thing)
+
+		if success then
+			if idef.sounds and idef.sounds.place then
+				minetest.sound_play(idef.sounds.place, {pos=above, gain=1})
+			end
+		end
+		return itemstack
+	end,
+
+	_mcl_blast_resistance = 2,
+	_mcl_hardness = 0.4,
+})
+
+
+minetest.register_node("mcl_core:vine", {
+	description = "Vines",
+	_doc_items_longdesc = "Vines are climbable blocks which can be placed on the sides solid full-cube blocks. Vines very slowly grow upwards and downwards.",
+	drawtype = "signlike",
+	tiles = {"mcl_core_vine.png"},
+	inventory_image = "mcl_core_vine.png",
+	wield_image = "mcl_core_vine.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	paramtype2 = "wallmounted",
+	walkable = false,
+	climbable = true,
+	buildable_to = true,
+	selection_box = {
+		type = "wallmounted",
+	},
+	stack_max = 64,
+	groups = {handy=1,axey=1,shearsy=1,swordy=1, flammable=2,deco_block=1,destroy_by_lava_flow=1,dig_by_piston=1},
+	sounds = mcl_sounds.node_sound_leaves_defaults(),
+	drop = "",
+	after_dig_node = function(pos, oldnode, oldmetadata, user)
+		local item = user:get_wielded_item()
+		if item:get_name() == "mcl_tools:shears" then
+			minetest.add_item(pos, oldnode.name)
+		end
+	end,
+	node_placement_prediction = "",
+	-- Restrict placement of vines
+	on_place = function(itemstack, placer, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			-- no interaction possible with entities
+			return itemstack
+		end
+
+		local under = pointed_thing.under
+		local node = minetest.get_node(under)
+		local def = minetest.registered_nodes[node.name]
+		if not def then return itemstack end
+		local groups = def.groups
+
+		-- Check special rightclick action of pointed node
+		if def and def.on_rightclick then
+			if not placer:get_player_control().sneak then
+				return def.on_rightclick(under, node, placer, itemstack,
+					pointed_thing) or itemstack, false
+			end
+		end
+
+		-- Only allow placement on solid nodes
+		if (not groups) or (not groups.solid) then
+			return itemstack
+		end
+
+		-- Only place on full cubes
+		if not mcl_core.supports_vines(node.name) then
+			return
+		end
+
+		local above = pointed_thing.above
+
+		-- Vines may not be placed on top or below another block
+		if under.y ~= above.y then
+			return itemstack
+		end
+		local idef = itemstack:get_definition()
+		local itemstack, success = minetest.item_place_node(itemstack, placer, pointed_thing)
+
+		if success then
+			if idef.sounds and idef.sounds.place then
+				minetest.sound_play(idef.sounds.place, {pos=above, gain=1})
+			end
+		end
+		return itemstack
+	end,
+
+
+	_mcl_blast_resistance = 1,
+	_mcl_hardness = 0.2,
+})