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Chess: Refactor coordinate notation

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This commit is contained in:
Wuzzy 2023-07-14 17:30:40 +02:00
parent 04dabe4091
commit 769f867ab1
1 changed files with 12 additions and 2 deletions
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14
src/chess.lua
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@ -34,6 +34,16 @@ end
local chat_prefix = minetest.colorize("#FFFF00", "["..S("Chess").."] ")
local letters = {'a','b','c','d','e','f','g','h'}
local function index_to_notation(idx)
local x, y = index_to_xy(idx)
if not x then
return "??"
end
local xstr = letters[x+1] or "?"
local ystr = tostring(y+1) or "?"
return xstr .. ystr
end
local function board_to_table(inv)
local t = {}
for i = 1, 64 do
@ -843,8 +853,8 @@ local function get_moves_formstring(meta)
end
local pieceTo_si_id = pieceTo_s ~= "" and pieces_str:match("(%d+)=" .. pieceTo_s) or ""
local coordFrom = letters[from_x + 1] .. math.abs(from_y - 8)
local coordTo = letters[to_x + 1] .. math.abs(to_y - 8)
local coordFrom = index_to_notation(from_idx)
local coordTo = index_to_notation(to_idx)
if curPlayerIsWhite then
move_no = move_no + 1