From a4b4de6d0e95900e026340f7772cb20064f72959 Mon Sep 17 00:00:00 2001 From: Novatux Date: Sat, 2 Nov 2013 11:00:48 +0100 Subject: [PATCH] Move sapling growing and grass adding/removing ABMs to Lua. --- mods/default/nodes.lua | 223 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 219 insertions(+), 4 deletions(-) diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua index b1fd312b..3c90c991 100644 --- a/mods/default/nodes.lua +++ b/mods/default/nodes.lua @@ -120,7 +120,6 @@ minetest.register_node("default:dirt_with_snow", { footstep = {name="default_snow_footstep", gain=0.25}, }), }) -minetest.register_alias("dirt_with_snow", "default:dirt_with_snow") minetest.register_node("default:dirt", { description = "Dirt", @@ -130,6 +129,38 @@ minetest.register_node("default:dirt", { sounds = default.node_sound_dirt_defaults(), }) +minetest.register_abm({ + nodenames = {"default:dirt"}, + interval = 2, + chance = 200, + action = function(pos, node) + local above = {x=pos.x, y=pos.y+1, z=pos.z} + local name = minetest.get_node(above).name + local nodedef = minetest.registered_nodes[name] + if nodedef and nodedef.sunlight_propagates and nodedef.liquidtype == "none" and minetest.get_node_light(above) >= 13 then + if name == "default:snow" or name == "default:snowblock" then + minetest.set_node(pos, {name = "default:dirt_with_snow"}) + else + minetest.set_node(pos, {name = "default:dirt_with_grass"}) + end + end + end +}) + +minetest.register_abm({ + nodenames = {"default:dirt_with_grass"}, + interval = 2, + chance = 20, + action = function(pos, node) + local above = {x=pos.x, y=pos.y+1, z=pos.z} + local name = minetest.get_node(above).name + local nodedef = minetest.registered_nodes[name] + if name ~= "ignore" and nodedef and not (nodedef.sunlight_propagates and nodedef.liquidtype == "none") then + minetest.set_node(pos, {name = "default:dirt"}) + end + end +}) + minetest.register_node("default:sand", { description = "Sand", tiles = {"default_sand.png"}, @@ -251,9 +282,193 @@ minetest.register_node("default:junglesapling", { groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1}, sounds = default.node_sound_leaves_defaults(), }) --- aliases for tree growing abm in content_abm.cpp -minetest.register_alias("sapling", "default:sapling") -minetest.register_alias("junglesapling", "default:junglesapling") + +local c_air = minetest.get_content_id("air") +local c_ignore = minetest.get_content_id("ignore") +local c_tree = minetest.get_content_id("default:tree") +local c_leaves = minetest.get_content_id("default:leaves") +local c_apple = minetest.get_content_id("default:apple") +function default.grow_tree(data, a, pos, is_apple_tree, seed) + --[[ + NOTE: Tree-placing code is currently duplicated in the engine + and in games that have saplings; both are deprecated but not + replaced yet + ]]-- + local pr = PseudoRandom(seed) + local th = pr:next(4, 5) + local x, y, z = pos.x, pos.y, pos.z + for yy = y, y+th-1 do + local vi = a:index(x, yy, z) + if a:contains(x, yy, z) and (data[vi] == c_air or yy == y) then + data[vi] = c_tree + end + end + y = y+th-1 -- (x, y, z) is now last piece of trunk + local leaves_a = VoxelArea:new{MinEdge={x=-2, y=-1, z=-2}, MaxEdge={x=2, y=2, z=2}} + local leaves_buffer = {} + + -- Force leaves near the trunk + local d = 1 + for xi = -d, d do + for yi = -d, d do + for zi = -d, d do + leaves_buffer[leaves_a:index(xi, yi, zi)] = true + end + end + end + + -- Add leaves randomly + for iii = 1, 8 do + local d = 1 + local xx = pr:next(leaves_a.MinEdge.x, leaves_a.MaxEdge.x - d) + local yy = pr:next(leaves_a.MinEdge.y, leaves_a.MaxEdge.y - d) + local zz = pr:next(leaves_a.MinEdge.z, leaves_a.MaxEdge.z - d) + + for xi = 0, d do + for yi = 0, d do + for zi = 0, d do + leaves_buffer[leaves_a:index(xx+xi, yy+yi, zz+zi)] = true + end + end + end + end + + -- Add the leaves + for xi = leaves_a.MinEdge.x, leaves_a.MaxEdge.x do + for yi = leaves_a.MinEdge.y, leaves_a.MaxEdge.y do + for zi = leaves_a.MinEdge.z, leaves_a.MaxEdge.z do + if a:contains(x+xi, y+yi, z+zi) then + local vi = a:index(x+xi, y+yi, z+zi) + if data[vi] == c_air or data[vi] == c_ignore then + if leaves_buffer[leaves_a:index(xi, yi, zi)] then + if is_apple_tree and pr:next(1, 100) <= 10 then + data[vi] = c_apple + else + data[vi] = c_leaves + end + end + end + end + end + end + end +end + +minetest.register_abm({ + nodenames = {"default:sapling"}, + interval = 10, + chance = 50, + action = function(pos, node) + local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil + if is_soil == nil or is_soil == 0 then return end + print("A sapling grows into a tree at "..minetest.pos_to_string(pos)) + local vm = minetest.get_voxel_manip() + local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16}) + local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp} + local data = vm:get_data() + default.grow_tree(data, a, pos, math.random(1, 4) == 1, math.random(1,100000)) + vm:set_data(data) + vm:write_to_map(data) + vm:update_map() + end +}) + +local c_jungletree = minetest.get_content_id("default:jungletree") +local c_jungleleaves = minetest.get_content_id("default:jungleleaves") +function default.grow_jungletree(data, a, pos, seed) + --[[ + NOTE: Tree-placing code is currently duplicated in the engine + and in games that have saplings; both are deprecated but not + replaced yet + ]]-- + local pr = PseudoRandom(seed) + local x, y, z = pos.x, pos.y, pos.z + for xi = -1, 1 do + for zi = -1, 1 do + if pr:next(1, 3) >= 2 then + local vi1 = a:index(x+xi, y, z+zi) + local vi2 = a:index(x+xi, y-1, z+zi) + if a:contains(x+xi, y-1, z+zi) and data[vi2] == c_air then + data[vi2] = c_jungletree + elseif a:contains(x+xi, y, z+zi) and data[vi1] == c_air then + data[vi1] = c_jungletree + end + end + end + end + + local th = pr:next(8, 12) + for yy = y, y+th-1 do + local vi = a:index(x, yy, z) + if a:contains(x, yy, z) and (data[vi] == c_air or yy == y) then + data[vi] = c_jungletree + end + end + y = y+th-1 -- (x, y, z) is now last piece of trunk + local leaves_a = VoxelArea:new{MinEdge={x=-3, y=-2, z=-3}, MaxEdge={x=3, y=2, z=3}} + local leaves_buffer = {} + + -- Force leaves near the trunk + local d = 1 + for xi = -d, d do + for yi = -d, d do + for zi = -d, d do + leaves_buffer[leaves_a:index(xi, yi, zi)] = true + end + end + end + + -- Add leaves randomly + for iii = 1, 30 do + local d = 1 + local xx = pr:next(leaves_a.MinEdge.x, leaves_a.MaxEdge.x - d) + local yy = pr:next(leaves_a.MinEdge.y, leaves_a.MaxEdge.y - d) + local zz = pr:next(leaves_a.MinEdge.z, leaves_a.MaxEdge.z - d) + + for xi = 0, d do + for yi = 0, d do + for zi = 0, d do + leaves_buffer[leaves_a:index(xx+xi, yy+yi, zz+zi)] = true + end + end + end + end + + -- Add the leaves + for xi = leaves_a.MinEdge.x, leaves_a.MaxEdge.x do + for yi = leaves_a.MinEdge.y, leaves_a.MaxEdge.y do + for zi = leaves_a.MinEdge.z, leaves_a.MaxEdge.z do + if a:contains(x+xi, y+yi, z+zi) then + local vi = a:index(x+xi, y+yi, z+zi) + if data[vi] == c_air or data[vi] == c_ignore then + if leaves_buffer[leaves_a:index(xi, yi, zi)] then + data[vi] = c_jungleleaves + end + end + end + end + end + end +end + +minetest.register_abm({ + nodenames = {"default:junglesapling"}, + interval = 1, + chance = 1, + action = function(pos, node) + local is_soil = minetest.registered_nodes[minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name].groups.soil + if is_soil == nil or is_soil == 0 then return end + print("A jungle sapling grows into a tree at "..minetest.pos_to_string(pos)) + local vm = minetest.get_voxel_manip() + local minp, maxp = vm:read_from_map({x=pos.x-16, y=pos.y-1, z=pos.z-16}, {x=pos.x+16, y=pos.y+16, z=pos.z+16}) + local a = VoxelArea:new{MinEdge=minp, MaxEdge=maxp} + local data = vm:get_data() + default.grow_jungletree(data, a, pos, math.random(1,100000)) + vm:set_data(data) + vm:write_to_map(data) + vm:update_map() + end +}) minetest.register_node("default:junglegrass", { description = "Jungle Grass", -- 2.25.1