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minetest-engine-multicraft2
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Knockback: fix rare "Invalid float vector dimension range" crash

master
mckaygerhard 2024-06-02 06:25:05 -04:00
parent ee85c709c9
commit fd02603860
1 changed files with 6 additions and 3 deletions
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9
builtin/game/knockback.lua
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@ -23,7 +23,7 @@ local function vector_absmax(v)
return max(max(abs(v.x), abs(v.y)), abs(v.z))
end
local vdivide, vlength, vsubtract = vector.divide, vector.length, vector.subtract
local vadd, vdivide, vlength, vsubtract = vector.add, vector.divide, vector.length, vector.subtract
core.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool_capabilities, unused_dir, damage)
if player:get_hp() == 0 then
return -- RIP
@ -31,7 +31,8 @@ core.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool
-- Server::handleCommand_Interact() adds eye offset to one but not the other
-- so the direction is slightly off, calculate it ourselves
local dir = vsubtract(player:get_pos(), hitter:get_pos())
local player_pos = player:get_pos()
local dir = vsubtract(player_pos, hitter:get_pos())
local d = vlength(dir)
if d ~= 0.0 then
dir = vdivide(dir, d)
@ -44,5 +45,7 @@ core.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool
return -- barely noticeable, so don't even send
end
player:add_velocity(kdir)
if core.is_valid_pos(vadd(player_pos, kdir)) then
player:add_velocity(kdir)
end
end)