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https://github.com/FaceDeer/dfcaverns.git
synced 2025-07-11 21:00:31 +02:00
mesh-based tunnel tube segments
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FaceDeer
@ -35,6 +35,94 @@ minetest.register_node("dfcaverns:tunnel_tube", {
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},
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})
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minetest.register_node("dfcaverns:tunnel_tube_slant_bottom", {
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description = S("Tunnel Tube"),
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_doc_items_longdesc = dfcaverns.doc.tunnel_tube_desc,
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_doc_items_usagehelp = dfcaverns.doc.tunnel_tube_usage,
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tiles = {"dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png"},
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paramtype2 = "facedir",
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drawtype = "mesh",
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mesh = "tunnel_tube_slant.obj",
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paramtype = "light",
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drop = "dfcaverns:tunnel_tube",
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groups = {choppy = 3, tree = 1, oddly_breakable_by_hand=1, flammable = 2},
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sounds = default.node_sound_wood_defaults(),
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on_place = minetest.rotate_node,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.625, 0.5, 0.0, 0.375},
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{-0.5, 0.0, -0.875, 0.5, 0.5, 0.125},
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},
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},
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collision_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.625, 0.5, 0.0, 0.375},
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{-0.5, 0.0, -0.875, 0.5, 0.5, 0.125},
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},
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},
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})
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minetest.register_node("dfcaverns:tunnel_tube_slant_top", {
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description = S("Tunnel Tube"),
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_doc_items_longdesc = dfcaverns.doc.tunnel_tube_desc,
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_doc_items_usagehelp = dfcaverns.doc.tunnel_tube_usage,
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tiles = {"dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png"},
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paramtype2 = "facedir",
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drawtype = "mesh",
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mesh = "tunnel_tube_slant_2.obj",
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paramtype = "light",
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drop = "dfcaverns:tunnel_tube",
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groups = {choppy = 3, tree = 1, oddly_breakable_by_hand=1, flammable = 2},
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sounds = default.node_sound_wood_defaults(),
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on_place = minetest.rotate_node,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.125, 0.5, 0.0, 0.875},
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{-0.5, 0.0, -0.375, 0.5, 0.5, 0.625},
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},
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},
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collision_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.125, 0.5, 0.0, 0.875},
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{-0.5, 0.0, -0.375, 0.5, 0.5, 0.625},
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},
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},
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})
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minetest.register_node("dfcaverns:tunnel_tube_slant_full", {
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description = S("Tunnel Tube"),
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_doc_items_longdesc = dfcaverns.doc.tunnel_tube_desc,
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_doc_items_usagehelp = dfcaverns.doc.tunnel_tube_usage,
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tiles = {"dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png", "dfcaverns_tunnel_tube.png"},
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paramtype2 = "facedir",
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drawtype = "mesh",
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mesh = "tunnel_tube_slant_full.obj",
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paramtype = "light",
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drop = "dfcaverns:tunnel_tube",
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groups = {choppy = 3, tree = 1, oddly_breakable_by_hand=1, flammable = 2},
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sounds = default.node_sound_wood_defaults(),
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on_place = minetest.rotate_node,
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selection_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.75, 0.5, 0, 0.25},
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{-0.5, 0, -1.25, 0.5, 0.5, -0.25},
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},
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},
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collision_box = {
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type = "fixed",
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fixed = {
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{-0.5, -0.5, -0.75, 0.5, 0, 0.25},
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{-0.5, 0, -1.25, 0.5, 0.5, -0.25},
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},
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},
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})
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--Wood
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minetest.register_craft({
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output = 'dfcaverns:tunnel_tube_wood 4',
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@ -218,23 +306,27 @@ minetest.register_node("dfcaverns:tunnel_tube_sapling", {
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})
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local tunnel_tube_directions = {
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{x=1,y=0,z=0},
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{x=-1,y=0,z=0},
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{x=0,y=0,z=1},
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{x=0,y=0,z=-1},
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-- {x=1,y=0,z=1}, -- diagonals work, but they don't look as nice as orthogonals
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-- {x=-1,y=0,z=1},
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-- {x=1,y=0,z=-1},
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-- {x=-1,y=0,z=-1},
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[0] = {x=0,y=0,z=-1},
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[1] = {x=-1,y=0,z=0},
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[2] = {x=0,y=0,z=1},
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[3] = {x=1,y=0,z=0},
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}
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local tunnel_tube_curvature = {0,0,0,0,1,1,1,2,2,3,4}
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local tunnel_tube_displacement =
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{
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[4] = 1,
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[5] = 1,
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[6] = 2,
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[7] = 2,
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[8] = 3,
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[9] = 3,
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}
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dfcaverns.spawn_tunnel_tube = function(pos)
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local direction = tunnel_tube_directions[math.random(1,4)]
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local height = math.random(6,10)
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local direction = math.random(0,3) -- serves as both the facedir and the lookup in the direction table
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local height = math.random(4,9)
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local x, y, z = pos.x, pos.y, pos.z
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local top_pos = vector.add(pos, vector.multiply(direction, tunnel_tube_curvature[height]))
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local top_pos = vector.add(pos, vector.multiply(tunnel_tube_directions[direction], tunnel_tube_displacement[height]))
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top_pos.y = y + height - 1
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local vm = minetest.get_voxel_manip()
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@ -254,28 +346,41 @@ end
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local c_air = minetest.get_content_id("air")
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local c_ignore = minetest.get_content_id("ignore")
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local c_tunnel_tube = minetest.get_content_id("dfcaverns:tunnel_tube")
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local c_tunnel_tube_bottom = minetest.get_content_id("dfcaverns:tunnel_tube_slant_bottom")
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local c_tunnel_tube_top = minetest.get_content_id("dfcaverns:tunnel_tube_slant_top")
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local c_tunnel_tube_full = minetest.get_content_id("dfcaverns:tunnel_tube_slant_full")
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local c_tunnel_tube_fruiting_body = minetest.get_content_id("dfcaverns:tunnel_tube_fruiting_body")
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-- was simplest to just hardcode these patterns for each height from 4 to 9
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-- pattern is displacement, node
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local tunnel_tube_patterns =
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{
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[4] = {{0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_fruiting_body}},
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[5] = {{0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_fruiting_body}},
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[6] = {{0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_full}, {2, c_tunnel_tube_fruiting_body}},
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[7] = {{0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_full}, {2, c_tunnel_tube_fruiting_body}},
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[8] = {{0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_full}, {2, c_tunnel_tube_full}, {3, c_tunnel_tube_fruiting_body}},
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[9] = {{0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube}, {0, c_tunnel_tube_bottom}, {1, c_tunnel_tube_top}, {1, c_tunnel_tube_full}, {2, c_tunnel_tube_full}, {3, c_tunnel_tube_fruiting_body}},
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}
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dfcaverns.spawn_tunnel_tube_vm = function(vi, area, data, param2_data, height, direction)
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if not height then height = math.random(6, 10) end
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if not direction then direction = tunnel_tube_directions[math.random(1,4)] end
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if not height then height = math.random(4, 9) end
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if direction == nil then direction = math.random(0,3) end
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local pos = area:position(vi)
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local y = pos.y
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local previous_vi = vi
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for i = 1, height do
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local pattern = tunnel_tube_patterns[height]
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for i, nodepattern in ipairs(pattern) do
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pos.y = y + i - 1
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vi = area:indexp(vector.add(pos, vector.multiply(direction, tunnel_tube_curvature[i])))
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vi = area:indexp(vector.add(pos, vector.multiply(tunnel_tube_directions[direction], nodepattern[1])))
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if data[vi] == c_air or data[vi] == c_ignore then
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previous_vi = vi
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if i ~= height then
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data[vi] = c_tunnel_tube
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param2_data[vi] = 0
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else
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data[vi] = c_tunnel_tube_fruiting_body
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end
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data[vi] = nodepattern[2]
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param2_data[vi] = direction
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else
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data[previous_vi] = c_tunnel_tube_fruiting_body
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param2_data[vi] = direction
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break
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end
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end
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