UnLua/Content/Script/Tutorials/06_NativeContainers.lua at master · Tencent/UnLua · GitHub

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--[[
 说明：创建原生容器时通常需要指定参数类型，来确定容器内存放的数据类型

 例如：
 local array = TArray({ElementType})
 local set = TSet({ElementType})
 local map = TMap({KeyType}, {ValueType})

 参数类型 示例 实际类型
 boolean true Boolean
 number 0 Interger
 string "" String
 table FVector Vector
 userdata FVector(1,1,1) Vector

 创建完成后，和原来的原生容器类型使用方式是相同的，更多接口可以参考源码：
 TArray Plugins\UnLua\Source\UnLua\Private\BaseLib\LuaLib_Array.cpp
 TSet Plugins\UnLua\Source\UnLua\Private\BaseLib\LuaLib_Set.cpp
 TMap Plugins\UnLua\Source\UnLua\Private\BaseLib\LuaLib_Map.cpp
]]--

localScreen=require"Tutorials.Screen"

localM=UnLua.Class()

localfunctionprint_intro()
localmsg=
[[
使用以下按键执行各个示例，并在控制台查看输出：

数字1：TArray
数字2：TSet
数字3：TMap

—— 本示例来自 "Content/Script/Tutorials.06_NativeContainers.lua"
]] ..
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
Screen.Print(msg)
end

functionM:ReceiveBeginPlay()
print_intro()
end

localfunctiondump_array(array)
localret= {}
fori=1, array:Length() do
table.insert(ret, array:Get(i))
end
return"[" ..table.concat(ret, ",") .."]"
end

functionM:One_Pressed()
print_intro()
Screen.Print("TArray")

print("========== TArray ==========")
print("注：索引从1开始")

localarray=UE.TArray(0)
print("New: ", dump_array(array))

array:Add(1)
array:Add(2)
array:Add(3)
array:Add(3)
print("Add: ", dump_array(array))

localindex=array:AddUnique(1)
print("AddUnique(1): ", dump_array(array), "Returns:", index)

array:Remove(1)
print("Remove(1): ", dump_array(array))

array:RemoveItem(3)
print("RemoveItem(3):", dump_array(array))

array:Insert(4, 1)
print("Insert(1, 4): ", dump_array(array))

array:Shuffle()
print("Shuffle(): ", dump_array(array))

array:Clear()
print("Clear: ", dump_array(array))
end

localfunctiondump_set(set)
localarray=set:ToArray()
localret= {}
fori=1, array:Length() do
table.insert(ret, array:Get(i))
end
return"(" ..table.concat(ret, ",") ..")"
end

functionM:Two_Pressed()
print_intro()
Screen.Print("TSet")

print("========== TSet ==========")
localset=UE.TSet(0)
print("New: ", dump_set(set))

set:Add(1)
set:Add(1)
set:Add(2)
set:Add(2)
set:Add(3)
set:Add(3)
print("Add: ", dump_set(set))
print("Length: ", set:Length())
print("Contains(3): ", set:Contains(3))

set:Clear()
print("Clear: ", dump_set(set))
end

localfunctiondump_map(map)
localret= {}
localkeys=map:Keys()
fori=1, keys:Length() do
localkey=keys:Get(i)
localvalue=map:Find(key)
table.insert(ret, key..":" ..tostring(value))
end
return"{" ..table.concat(ret, ",") .."}"
end

functionM:Three_Pressed()
print_intro()
Screen.Print("TMap")

print("========== TMap ==========")
localmap=UE.TMap(0, true)
print("New: ", dump_map(map))

map:Add(1, true)
map:Add(2, false)
map:Add(3, true)
print("Add: ", dump_map(map))

map:Remove(2)
print("Remove(2): ", dump_map(map))

localvalue=map:Find(3)
print("Find(3): ", dump_map(map), "Returns:", value)

map:Clear()
print("Clear: ", dump_map(map))
end

returnM