forked from Reload/techage_modpack
320 lines
9.2 KiB
Lua
320 lines
9.2 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2021 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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TA1 Watermill
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]]--
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local M = minetest.get_meta
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local S = techage.S
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local function calc_dir(dir, facedir)
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if facedir == 1 then
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return {x = dir.z, y = dir.y, z = -dir.x}
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elseif facedir == 2 then
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return {x = -dir.x, y = dir.y, z = -dir.z}
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elseif facedir == 3 then
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return {x = -dir.z, y = dir.y, z = dir.x}
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end
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return {x = dir.x, y = dir.y, z = dir.z}
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end
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local function add_node(pos, dir, facedir, node_name)
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local pos2 = vector.add(pos, calc_dir(dir, facedir))
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local node = minetest.get_node(pos2)
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if techage.is_air_like(node.name) then
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minetest.swap_node(pos2, {name = node_name})
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end
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end
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local function remove_node(pos, dir, facedir, node_name)
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local pos2 = vector.add(pos, calc_dir(dir, facedir))
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local node = minetest.get_node(pos2)
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if node.name == node_name then
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minetest.swap_node(pos2, {name = "air"})
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end
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end
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local function water_flowing(pos, facedir, tRes)
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facedir = ((facedir or 0) + 1) % 4
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local dir = minetest.facedir_to_dir(facedir)
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local pos2 = vector.add(pos, dir)
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pos2.y = pos2.y + 1
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local node = minetest.get_node(pos2)
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if node.name == "default:water_flowing" then
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tRes.backward = false
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return true
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end
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pos2 = vector.subtract(pos, dir)
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pos2.y = pos2.y + 1
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node = minetest.get_node(pos2)
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if node.name == "default:water_flowing" then
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tRes.backward = true
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return true
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end
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end
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local function enough_space(pos, facedir)
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local pos1 = vector.add(pos, calc_dir({x =-1, y =-1, z = 0}, facedir))
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local pos2 = vector.add(pos, calc_dir({x = 1, y = 1, z = 0}, facedir))
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local _, nodes = minetest.find_nodes_in_area(pos1, pos2, {"air"})
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return nodes["air"] and nodes["air"] == 8
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end
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local function remove_nodes(pos, facedir)
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remove_node(pos, {x = 0, y = 1, z = 0}, facedir, "techage:water_stop")
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remove_node(pos, {x =-1, y = 0, z = 0}, facedir, "techage:water_stop")
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remove_node(pos, {x = 1, y = 0, z = 0}, facedir, "techage:water_stop")
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remove_node(pos, {x =-1, y = 1, z =-1}, facedir, "techage:water_stop")
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remove_node(pos, {x = 1, y = 1, z =-1}, facedir, "techage:water_stop")
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remove_node(pos, {x =-1, y = 1, z = 1}, facedir, "techage:water_stop")
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remove_node(pos, {x = 1, y = 1, z = 1}, facedir, "techage:water_stop")
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end
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local function start_wheel(pos, facedir, backward)
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local obj = minetest.add_entity(pos, "techage:ta1_watermill_entity")
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local dir = minetest.facedir_to_dir(facedir)
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local yaw = minetest.dir_to_yaw(dir)
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if backward then
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obj:set_rotation({x=-math.pi/2, y=yaw, z=0})
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else
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obj:set_rotation({x=math.pi/2, y=yaw, z=0})
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end
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local self = obj:get_luaentity()
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self.facedir = facedir
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add_node(pos, {x = 0, y = 1, z = 0}, facedir, "techage:water_stop")
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add_node(pos, {x =-1, y = 0, z = 0}, facedir, "techage:water_stop")
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add_node(pos, {x = 1, y = 0, z = 0}, facedir, "techage:water_stop")
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add_node(pos, {x =-1, y = 1, z =-1}, facedir, "techage:water_stop")
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add_node(pos, {x = 1, y = 1, z =-1}, facedir, "techage:water_stop")
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add_node(pos, {x =-1, y = 1, z = 1}, facedir, "techage:water_stop")
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add_node(pos, {x = 1, y = 1, z = 1}, facedir, "techage:water_stop")
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minetest.remove_node(pos)
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end
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local function stop_wheel(pos, self)
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self.facedir = self.facedir or 0
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if self.facedir == 0 or self.facedir == 2 then
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minetest.swap_node(pos, {name = "techage:ta1_watermill", param2 = 4})
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M(pos):set_int("facedir", self.facedir)
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minetest.get_node_timer(pos):start(2)
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elseif self.facedir == 1 or self.facedir == 3 then
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minetest.swap_node(pos, {name = "techage:ta1_watermill", param2 = 13})
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M(pos):set_int("facedir", self.facedir)
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minetest.get_node_timer(pos):start(2)
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end
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remove_nodes(pos, self.facedir)
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self.object:remove()
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end
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local function trigger_consumer(pos, facedir)
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local outdir = facedir + 1
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local resp = techage.transfer(
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pos,
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outdir, -- outdir
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"trigger", -- topic
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nil, -- payload
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techage.TA1Axle, -- network
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nil) -- valid nodes
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if not resp then
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outdir = tubelib2.Turn180Deg[outdir]
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resp = techage.transfer(
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pos,
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outdir, -- outdir
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"trigger", -- topic
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nil, -- payload
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techage.TA1Axle, -- network
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nil) -- valid nodes
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end
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end
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minetest.register_node("techage:ta1_watermill", {
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description = S("TA1 Watermill"),
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tiles = {
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-- up, down, right, left, back, front
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-1/2, -1/2, -1/2, 1/2, 1/2, 1/2},
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{-4.5/2, -1/2, 0.8/2, 4.5/2, 1/2, 1.0/2},
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{-4.5/2, -1/2, -1.0/2, 4.5/2, 1/2, -0.8/2},
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{-3.8/2, -1/2, 2.1/2, 3.8/2, 1/2, 2.3/2},
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{-3.8/2, -1/2, -2.3/2, 3.8/2, 1/2, -2.1/2},
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{ 0.8/2, -1/2, -4.5/2, 1.0/2, 1/2, 4.5/2},
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{-1.0/2, -1/2, -4.5/2, -0.8/2, 1/2, 4.5/2},
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{ 2.1/2, -1/2, -3.8/2, 2.3/2, 1/2, 3.8/2},
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{-2.3/2, -1/2, -3.8/2, -2.1/2, 1/2, 3.8/2},
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},
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},
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on_rightclick = function(pos, node, clicker)
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start_wheel(pos, M(pos):get_int("facedir"))
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end,
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on_timer = function(pos, elapsed)
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local tRes = {}
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if water_flowing(pos, M(pos):get_int("facedir"), tRes) then
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start_wheel(pos, M(pos):get_int("facedir"), tRes.backward)
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end
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return true
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end,
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paramtype2 = "facedir",
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paramtype = "light",
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use_texture_alpha = techage.CLIP,
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {cracky = 2, crumbly = 2, choppy = 2, not_in_creative_inventory = 1},
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node_placement_prediction = "",
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drop = "techage:ta1_watermill_inv",
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})
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-- A smaller one for the inventory
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minetest.register_node("techage:ta1_watermill_inv", {
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description = S("TA1 Watermill"),
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--inventory_image = "techage_waterwheel_inv.png",
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--wield_image = "techage_waterwheel_inv.png",
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tiles = {
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-- up, down, right, left, back, front
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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"default_wood.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{-1/4, -1/4, -1/4, 1/4, 1/4, 1/4},
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{-4.5/4, 0.8/4, -1/4, 4.5/4, 1.0/4, 1/4},
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{-4.5/4, -1.0/4, -1/4, 4.5/4, -0.8/4, 1/4},
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{-3.8/4, 2.1/4, -1/4, 3.8/4, 2.3/4, 1/4},
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{-3.8/4, -2.3/4, -1/4, 3.8/4, -2.1/4, 1/4},
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{ 0.8/4, -4.5/4, -1/4, 1.0/4, 4.5/4, 1/4},
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{-1.0/4, -4.5/4, -1/4, -0.8/4, 4.5/4, 1/4},
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{ 2.1/4, -3.8/4, -1/4, 2.3/4, 3.8/4, 1/4},
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{-2.3/4, -3.8/4, -1/4, -2.1/4, 3.8/4, 1/4},
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},
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},
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after_place_node = function(pos, placer)
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local node = minetest.get_node(pos)
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M(pos):set_int("facedir", node.param2)
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remove_nodes(pos, node.param2)
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if (node.param2 == 0 or node.param2 == 2) and enough_space(pos, node.param2) then
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minetest.swap_node(pos, {name = "techage:ta1_watermill", param2 = 4})
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minetest.get_node_timer(pos):start(2)
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elseif (node.param2 == 1 or node.param2 == 3) and enough_space(pos, node.param2) then
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minetest.swap_node(pos, {name = "techage:ta1_watermill", param2 = 13})
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minetest.get_node_timer(pos):start(2)
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else
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minetest.remove_node(pos)
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return true
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end
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end,
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paramtype2 = "facedir",
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node_placement_prediction = "",
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diggable = false,
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})
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techage.register_node({"techage:ta1_watermill"}, {
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on_node_load = function(pos, node)
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minetest.get_node_timer(pos):start(2)
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end,
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})
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minetest.register_entity("techage:ta1_watermill_entity", {
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initial_properties = {
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physical = true,
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collisionbox = {-0.5, -1.5, -1.5, 0.5, 1.5, 1.5},
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visual = "wielditem",
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wield_item = "techage:ta1_watermill",
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visual_size = {x=0.67, y=0.67, z=0.67},
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static_save = true,
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automatic_rotate = -math.pi * 0.2,
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pointable = false,
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},
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on_step = function(self, dtime)
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self.dtime = (self.dtime or 0) + dtime
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if self.dtime > 2 then
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self.dtime = 0
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local pos = vector.round(self.object:get_pos())
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if not water_flowing(pos, self.facedir, {}) then
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stop_wheel(pos, self)
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end
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trigger_consumer(pos, self.facedir)
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minetest.sound_play("techage_watermill", {gain = 0.5, pos = pos,
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max_hear_distance = 10}, true)
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end
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end,
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on_rightclick = function(self, clicker)
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local pos = vector.round(self.object:get_pos())
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stop_wheel(pos, self)
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end,
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on_activate = function(self, staticdata)
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self.facedir = tonumber(staticdata) or 0
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end,
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get_staticdata = function(self)
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return self.facedir
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end,
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})
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minetest.register_node("techage:water_stop", {
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description = "Water Stop",
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drawtype = "glasslike_framed_optional",
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tiles = {"techage_invisible.png"},
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inventory_image = 'techage_invisible_inv.png',
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use_texture_alpha = "blend",
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paramtype = "light",
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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sunlight_propagates = true,
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is_ground_content = false,
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groups = {cracky = 3, oddly_breakable_by_hand = 3},
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sounds = default.node_sound_glass_defaults(),
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drop = "",
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})
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minetest.register_craft({
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output = "techage:ta1_watermill_inv",
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recipe = {
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{"techage:ta1_board1_apple", "techage:ta1_board1_apple", "techage:ta1_board1_apple"},
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{"techage:ta1_board1_apple", "default:wood", "techage:ta1_board1_apple"},
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{"techage:ta1_board1_apple", "techage:ta1_board1_apple", "techage:ta1_board1_apple"},
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},
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})
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