add patches

patches/entry.lua

+function load_patch(name)
+	local path = "patches/" .. name .. ".lua"
+	Duel.LoadScript(path)
+end
+
+load_patch("multiple-preloaduds")
+load_patch("spsummon-once-hint")

patches/multiple-preloaduds.lua

+AuxiliaryMetatable = {}
+setmetatable(Auxiliary, AuxiliaryMetatable)
+
+local PRELOAD_KEY = "PreloadUds"
+local preload_uds = {}
+
+local function already_added(f)
+  for i = 1, #preload_uds do
+    if preload_uds[i] == f then return true end
+  end
+  return false
+end
+
+local function run_preload_uds(...)
+  local snapshot = {}
+  for i = 1, #preload_uds do snapshot[i] = preload_uds[i] end
+
+  for _, ud in ipairs(snapshot) do
+    ud(...)
+  end
+end
+
+function AuxiliaryMetatable.__index(t, k)
+  if k == PRELOAD_KEY then
+    return run_preload_uds
+  end
+  return nil
+end
+
+function AuxiliaryMetatable.__newindex(t, k, v)
+  if k == PRELOAD_KEY then
+    if v == nil then
+      preload_uds = {}
+      return
+    end
+    assert(type(v) == "function", "PreloadUds must be a function")
+    if not already_added(v) then
+      preload_uds[#preload_uds+1] = v
+    end
+    return
+  end
+  rawset(t, k, v)
+end

patches/spsummon-once-hint.lua

+-- added client hint to monsters that special summons once per turn
+local function init_spsummon_once(c)
+	local e1=Effect.CreateEffect(c)
+	e1:SetType(EFFECT_TYPE_SINGLE)
+	e1:SetCode(11111111) -- meaningless code
+	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE+EFFECT_FLAG_SET_AVAILABLE+EFFECT_FLAG_CLIENT_HINT)
+	e1:SetDescription(aux.Stringid(47297616,0)) -- 不能特殊召唤
+
+	local e2=Effect.CreateEffect(c)
+	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_GRANT)
+	e2:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE+EFFECT_FLAG_SET_AVAILABLE+EFFECT_FLAG_IGNORE_RANGE)
+	local range=0xff-LOCATION_MZONE
+	e2:SetTargetRange(range,range)
+	e2:SetTarget(function(e,c)
+		return c:IsType(TYPE_MONSTER) and not c:CheckSPSummonOnce(c:GetControler())
+	end)
+	e2:SetCondition(function(e,tp,eg,ep,ev,re,r,rp)
+		return Duel.IsGlobalFlag(GLOBALFLAG_SPSUMMON_ONCE)
+	end)
+	e2:SetLabelObject(e1)
+	Duel.RegisterEffect(e2,0)
+end
+
+local spsummononce_initialized=false
+local original_SetSPSummonOnce=Card.SetSPSummonOnce
+function Card.SetSPSummonOnce(c,...)
+	if not spsummononce_initialized then
+		spsummononce_initialized=true
+		init_spsummon_once(c)
+	end
+	return original_SetSPSummonOnce(c,...)
+end