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@@ -26,6 +26,10 @@ function default.can_grow(pos)
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return true
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end
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+function default.on_grow_failed(pos)
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+ minetest.get_node_timer(pos):start(300)
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+end
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+
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-- 'is snow nearby' function
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@@ -34,84 +38,6 @@ local function is_snow_nearby(pos)
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end
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--- Grow sapling
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-
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-function default.grow_sapling(pos)
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- if not default.can_grow(pos) then
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- -- try again 5 min later
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- minetest.get_node_timer(pos):start(300)
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- return
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- end
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-
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- local mg_name = minetest.get_mapgen_setting("mg_name")
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- local node = minetest.get_node(pos)
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- if node.name == "default:sapling" then
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- minetest.log("action", "A sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- if mg_name == "v6" then
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- default.grow_tree(pos, random(1, 4) == 1)
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- else
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- default.grow_new_apple_tree(pos)
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- end
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- elseif node.name == "default:junglesapling" then
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- minetest.log("action", "A jungle sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- if mg_name == "v6" then
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- default.grow_jungle_tree(pos)
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- else
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- default.grow_new_jungle_tree(pos)
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- end
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- elseif node.name == "default:pine_sapling" then
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- minetest.log("action", "A pine sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- local snow = is_snow_nearby(pos)
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- if mg_name == "v6" then
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- default.grow_pine_tree(pos, snow)
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- elseif snow then
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- default.grow_new_snowy_pine_tree(pos)
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- else
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- default.grow_new_pine_tree(pos)
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- end
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- elseif node.name == "default:acacia_sapling" then
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- minetest.log("action", "An acacia sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- default.grow_new_acacia_tree(pos)
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- elseif node.name == "default:aspen_sapling" then
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- minetest.log("action", "An aspen sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- default.grow_new_aspen_tree(pos)
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- elseif node.name == "default:bush_sapling" then
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- minetest.log("action", "A bush sapling grows into a bush at "..
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- minetest.pos_to_string(pos))
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- default.grow_bush(pos)
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- elseif node.name == "default:blueberry_bush_sapling" then
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- minetest.log("action", "A blueberry bush sapling grows into a bush at "..
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- minetest.pos_to_string(pos))
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- default.grow_blueberry_bush(pos)
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- elseif node.name == "default:acacia_bush_sapling" then
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- minetest.log("action", "An acacia bush sapling grows into a bush at "..
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- minetest.pos_to_string(pos))
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- default.grow_acacia_bush(pos)
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- elseif node.name == "default:pine_bush_sapling" then
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- minetest.log("action", "A pine bush sapling grows into a bush at "..
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- minetest.pos_to_string(pos))
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- default.grow_pine_bush(pos)
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- elseif node.name == "default:emergent_jungle_sapling" then
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- minetest.log("action", "An emergent jungle sapling grows into a tree at "..
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- minetest.pos_to_string(pos))
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- default.grow_new_emergent_jungle_tree(pos)
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- end
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-end
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-
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-minetest.register_lbm({
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- name = "default:convert_saplings_to_node_timer",
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- nodenames = {"default:sapling", "default:junglesapling",
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- "default:pine_sapling", "default:acacia_sapling",
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- "default:aspen_sapling"},
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- action = function(pos)
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- minetest.get_node_timer(pos):start(math.random(300, 1500))
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- end
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-})
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--
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-- Tree generation
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@@ -209,7 +135,6 @@ function default.grow_tree(pos, is_apple_tree, bad)
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vm:update_map()
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end
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-
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-- Jungle tree
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function default.grow_jungle_tree(pos, bad)
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@@ -604,3 +529,78 @@ function default.sapling_on_place(itemstack, placer, pointed_thing,
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return itemstack
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end
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+
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+-- Grow sapling
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+
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+default.sapling_growth_defs = {}
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+
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+function default.register_sapling_growth(name, def)
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+ default.sapling_growth_defs[name] = {
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+ can_grow = def.can_grow or default.can_grow,
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+ on_grow_failed = def.on_grow_failed or default.on_grow_failed,
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+ grow = assert(def.grow)
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+ }
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+end
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+
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+function default.grow_sapling(pos)
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+ local node = minetest.get_node(pos)
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+ local sapling_def = default.sapling_growth_defs[node.name]
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+
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+ if not sapling_def then
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+ minetest.log("warning", "default.grow_sapling called on undefined sapling " .. node.name)
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+ return
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+ end
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+
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+ if not sapling_def.can_grow(pos) then
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+ sapling_def.on_grow_failed(pos)
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+ return
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+ end
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+
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+ minetest.log("action", "Growing sapling " .. node.name .. " at " .. minetest.pos_to_string(pos))
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+ sapling_def.grow(pos)
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+end
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+
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+local function register_sapling_growth(nodename, grow)
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+ default.register_sapling_growth("default:" .. nodename, {grow = grow})
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+end
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+
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+if minetest.get_mapgen_setting("mg_name") == "v6" then
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+ register_sapling_growth("sapling", function(pos)
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+ default.grow_tree(pos, random(1, 4) == 1)
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+ end)
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+ register_sapling_growth("junglesapling", default.grow_jungle_tree)
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+ register_sapling_growth("pine_sapling", function(pos)
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+ local snow = is_snow_nearby(pos)
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+ default.grow_pine_tree(pos, snow)
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+ end)
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+else
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+ register_sapling_growth("sapling", default.grow_new_apple_tree)
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+ register_sapling_growth("junglesapling", default.grow_new_jungle_tree)
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+ register_sapling_growth("pine_sapling", function(pos)
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+ local snow = is_snow_nearby(pos)
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+ if snow then
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+ default.grow_new_snowy_pine_tree(pos)
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+ else
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+ default.grow_new_pine_tree(pos)
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+ end
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+ end)
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+end
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+
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+register_sapling_growth("acacia_sapling", default.grow_new_acacia_tree)
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+register_sapling_growth("aspen_sapling", default.grow_new_aspen_tree)
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+register_sapling_growth("bush_sapling", default.grow_bush)
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+register_sapling_growth("blueberry_bush_sapling", default.grow_blueberry_bush)
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+register_sapling_growth("acacia_bush_sapling", default.grow_acacia_bush)
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+register_sapling_growth("pine_bush_sapling", default.grow_pine_bush)
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+register_sapling_growth("emergent_jungle_sapling", default.grow_new_emergent_jungle_tree)
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+
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+-- Backwards compatibility for saplings that used to use ABMs; does not need to include newer saplings.
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+minetest.register_lbm({
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+ name = "default:convert_saplings_to_node_timer",
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+ nodenames = {"default:sapling", "default:junglesapling",
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+ "default:pine_sapling", "default:acacia_sapling",
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+ "default:aspen_sapling"},
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+ action = function(pos)
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+ minetest.get_node_timer(pos):start(math.random(300, 1500))
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+ end
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+})
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