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routed spawn_tree() through a wrapper function so that other mods can hook into

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plants_lib's calls to do something extra when a tree is generated at mapgen
time or spawned via the growing code.
This commit is contained in:
Vanessa Ezekowitz 2013-02-19 21:50:56 -05:00
parent a86c52cfa8
commit 6bfb454178
2 changed files with 21 additions and 2 deletions
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6
API.txt
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@ -22,6 +22,12 @@ All functions in plants lib are declared locally to avoid namespace collisions
with other mods. They are accessible via the "plantslib" method, e.g. with other mods. They are accessible via the "plantslib" method, e.g.
plantslib:spawn_on_surfaces() and so forth. plantslib:spawn_on_surfaces() and so forth.
In the case of the growing code and the mapgen-based tree generator code, the
usual spawn_tree() calls used therein are routed through
plantslib:generate_tree() and plantslib:grow_tree(), which just directly call
the spawn_tree() function anyway. This way other mods can wedge into these
two calls by name, to execute something extra whenever a tree is spawned via
this library.
===== =====
spawn_on_surfaces(biome) spawn_on_surfaces(biome)

17
plants_lib/init.lua
View File

@ -133,7 +133,7 @@ function plantslib:search_for_surfaces(minp, maxp, biomedef, node_or_function_or
end end
]]-- ]]--
minetest.env:spawn_tree(pos, node_or_function_or_model) plantslib:generate_tree(pos, node_or_function_or_model)
elseif type(node_or_function_or_model) == "string" then elseif type(node_or_function_or_model) == "string" then
if minetest.registered_nodes[node_or_function_or_model] == nil then if minetest.registered_nodes[node_or_function_or_model] == nil then
@ -353,7 +353,7 @@ function plantslib:replace_object(pos, replacement, grow_function, walldir, seed
if growtype == "table" then if growtype == "table" then
plantslib:dbg("Grow: spawn tree at "..dump(pos)) plantslib:dbg("Grow: spawn tree at "..dump(pos))
minetest.env:remove_node(pos) minetest.env:remove_node(pos)
minetest.env:spawn_tree(pos, grow_function) plantslib:grow_tree(pos, grow_function)
return return
elseif growtype == "string" then elseif growtype == "string" then
local perlin1 = minetest.env:get_perlin(seeddiff, perlin_octaves, perlin_persistence, perlin_scale) local perlin1 = minetest.env:get_perlin(seeddiff, perlin_octaves, perlin_persistence, perlin_scale)
@ -418,4 +418,17 @@ function plantslib:find_open_side(pos)
return nil return nil
end end
-- spawn_tree() on generate is routed through here so that other mods can hook
-- into it.
function plantslib:generate_tree(pos, node_or_function_or_model)
minetest.env:spawn_tree(pos, node_or_function_or_model)
end
-- and this one's for the call used in the growing code
function plantslib:grow_tree(pos, node_or_function_or_model)
minetest.env:spawn_tree(pos, node_or_function_or_model)
end
print("[Plantlife Library] Loaded") print("[Plantlife Library] Loaded")