60 lines
1.7 KiB
Lua
60 lines
1.7 KiB
Lua
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---@diagnostic disable: inject-field
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local ffi = require('ffi')
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ffi.cdef [[
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typedef struct {
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uint16_t id : 9;
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uint16_t size : 7;
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uint16_t sync;
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} GP_CLI_HEADER;
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// 0x0A1 - Random Request packet
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typedef struct {
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GP_CLI_HEADER header;
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uint32_t unknown00; // Always 0
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} GP_CLI_COMMAND_DICE;
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]]
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describe('Packets', function()
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local player
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before_each(function()
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player = xi.test.world:spawnPlayer()
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end)
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it('can emit arbitrary packets and parse responses', function()
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local p = ffi.new('GP_CLI_COMMAND_DICE')
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p.unknown00 = 0
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-- Random number will be at:
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-- 0x0D + "string2 " (8) + playerName length + " string3 " (9)
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local playerName = player:getName()
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local param0Offset = 0x0D + 8 + #playerName + 9
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xi.test.world:setSeed(557)
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player.packets:send(0x0A2, p, ffi.sizeof(p))
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local incomingPackets = player.packets:getIncoming()
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for _, packet in pairs(incomingPackets) do
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if packet.type == 0x009 then
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-- Read param0 (max 3 digits for values up to 999)
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local param0Str = ''
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for i = 0, 2 do
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local byte = packet.data[param0Offset + i]
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if byte == 0 then
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break
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end
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param0Str = string.format('%s%s', param0Str, string.char(byte))
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end
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local param0Value = tonumber(param0Str)
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assert(param0Value == 999, string.format('Expected random value 999, got %s', tostring(param0Value)))
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return
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end
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end
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assert(false, 'Did not receive message packet')
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end)
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end)
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