PulseStudio/VoxelEngine
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fix: attempt to index global 'ffi' (a nil value) in stdmin.lua

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This commit is contained in:
MihailRis 2025-05-02 18:51:07 +03:00
parent 43c76c92ff
commit 20703e2b94
1 changed files with 7 additions and 6 deletions
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13
res/scripts/stdmin.lua
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@ -20,16 +20,17 @@ if not ipairs_mt_supported then
end end
end end
local _ffi = ffi
function __vc_Canvas_set_data(self, data) function __vc_Canvas_set_data(self, data)
if type(data) == "cdata" then if type(data) == "cdata" then
self:_set_data(tostring(ffi.cast("uintptr_t", data))) self:_set_data(tostring(_ffi.cast("uintptr_t", data)))
end end
local width = self.width local width = self.width
local height = self.height local height = self.height
local size = width * height * 4 local size = width * height * 4
if size > canvas_ffi_buffer_size then if size > canvas_ffi_buffer_size then
canvas_ffi_buffer = ffi.new( canvas_ffi_buffer = _ffi.new(
string.format("unsigned char[%s]", size) string.format("unsigned char[%s]", size)
) )
canvas_ffi_buffer_size = size canvas_ffi_buffer_size = size
@ -37,7 +38,7 @@ function __vc_Canvas_set_data(self, data)
for i=0, size - 1 do for i=0, size - 1 do
canvas_ffi_buffer[i] = data[i + 1] canvas_ffi_buffer[i] = data[i + 1]
end end
self:_set_data(tostring(ffi.cast("uintptr_t", canvas_ffi_buffer))) self:_set_data(tostring(_ffi.cast("uintptr_t", canvas_ffi_buffer)))
end end
function crc32(bytes, chksum) function crc32(bytes, chksum)
@ -45,14 +46,14 @@ function crc32(bytes, chksum)
local length = #bytes local length = #bytes
if type(bytes) == "table" then if type(bytes) == "table" then
local buffer_len = ffi.new('int[1]', length) local buffer_len = _ffi.new('int[1]', length)
local buffer = ffi.new( local buffer = _ffi.new(
string.format("char[%s]", length) string.format("char[%s]", length)
) )
for i=1, length do for i=1, length do
buffer[i - 1] = bytes[i] buffer[i - 1] = bytes[i]
end end
bytes = ffi.string(buffer, buffer_len[0]) bytes = _ffi.string(buffer, buffer_len[0])
end end
return _crc32(bytes, chksum) return _crc32(bytes, chksum)
end end