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Add crash guards against unknown items (#4623)
This adds defensive checks to guard against crashing when digging with an unknown item in hand. Reviewed-on: https://git.minetest.land/VoxeLibre/VoxeLibre/pulls/4623 Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land> Co-authored-by: teknomunk <teknomunk@protonmail.com> Co-committed-by: teknomunk <teknomunk@protonmail.com>
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2 changed files with 14 additions and 0 deletions
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@ -37,6 +37,8 @@ end
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-- Digging capabilities of tool
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tt.register_snippet(function(itemstring, toolcaps, itemstack)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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if not toolcaps then
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return
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end
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@ -165,6 +167,8 @@ end)]]
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-- Food
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tt.register_snippet(function(itemstring)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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local desc
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if def._tt_food then
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desc = S("Food item")
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@ -179,6 +183,8 @@ end)
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-- Node info
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tt.register_snippet(function(itemstring)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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local desc = ""
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-- Health-related node facts
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@ -64,6 +64,8 @@ end)
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tt.register_snippet(function(itemstring)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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local s = ""
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if def.groups.eatable and def.groups.eatable > 0 then
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s = s .. S("Hunger points: +@1", def.groups.eatable)
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@ -89,6 +91,8 @@ end)
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tt.register_snippet(function(itemstring)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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if def.groups.place_flowerlike == 1 then
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return S("Grows on grass blocks or dirt")
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elseif def.groups.place_flowerlike == 2 then
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@ -98,6 +102,8 @@ end)
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tt.register_snippet(function(itemstring)
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local def = minetest.registered_items[itemstring]
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if not def then return end
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if def.groups.flammable then
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return S("Flammable")
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end
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@ -127,6 +133,8 @@ end)
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tt.register_snippet(function(itemstring, _, itemstack)
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if not itemstack then return end
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local def = itemstack:get_definition()
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if not def then return end
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if def.groups._mcl_potion ~= 1 then return end
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local s = ""
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