UnLua/Content/Script/Tutorials/06_NativeContainers.lua at master · dsz0/UnLua · GitHub

This repository was archived by the owner on Aug 8, 2026. It is now read-only.

History

155 lines (121 loc) · 3.77 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

--[[

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

]] --

require "UnLua"

local Screen = require "Tutorials.Screen"

local M = Class()

local function print_intro()

local msg =

[[

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

function M:ReceiveBeginPlay()

print_intro()

end

local function dump_array(array)

local ret = {}

for i = 1, array:Length() do

table.insert(ret, array:Get(i))

end

return "[" .. table.concat(ret, ",") .. "]"

end

function M:One_Pressed()

print_intro()

Screen.Print("TArray")

print("========== TArray ==========")

print("注：索引从1开始")

local array = UE.TArray(0)

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

array:Add(1)

array:Add(2)

array:Add(3)

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

local index = 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

local function dump_set(set)

local array = set:ToArray()

local ret = {}

for i = 1, array:Length() do

table.insert(ret, array:Get(i))

end

return "(" .. table.concat(ret, ",") .. ")"

end

function M:Two_Pressed()

print_intro()

Screen.Print("TSet")

print("========== TSet ==========")

local set = UE.TSet(0)

print("New: ", dump_set(set))

set:Add(1)

set:Add(2)

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

local function dump_map(map)

local ret = {}

local keys = map:Keys()

for i = 1, keys:Length() do

local key = keys:Get(i)

local value = map:Find(key)

table.insert(ret, key .. ":" .. tostring(value))

end

return "{" .. table.concat(ret, ",") .. "}"

end

function M:Three_Pressed()

print_intro()

Screen.Print("TMap")

print("========== TMap ==========")

local map = 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))

local value = map:Find(3)

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

map:Clear()

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

end

return M

UnLua/Content/Script/Tutorials/06_NativeContainers.lua at master · dsz0/UnLua · GitHub

Expand file tree

Breadcrumbs

06_NativeContainers.lua

Latest commit

History

Breadcrumbs

06_NativeContainers.lua

File metadata and controls