Vector2Intの互換ライブラリが作りたかった話！

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Vector2Int΄԰䟵϶αϣ϶Ϸ֢͢Π͵͡͹͵扖Ѻ @RyotaMurohoshi 2017/12/09 (ࢿ) ̓ଙ๛ͶΞ̈́Unity ͠独;独΀ ΄LTय़տ 2017̓ϪϺΠͭͼΘ͚͚΄Ξ̈́

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@RyotaMurohoshi

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Unity 2017.2ͽ Vector2Intࣳ΀Ϳ ݱ圵Intᔮ䯤᭜᭄֛͢ےѺ 托ͭͥ΅ͩͩΨ憎ͼ΃ : h$ps:/ /qiita.com/RyotaMurohoshi/items/4341f51548d8c53559f5

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Vector2Int : Vecotr2΄intᇇ Vector2Int positon = new Vector2Int(3, 2); int x = position.x; int y = position.y;

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ΘͷΣΩSerializeΘͽͣΡ public class Example : MonoBehaviour { [SerializeField] Vector2Int position; }

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ΘͷΣΩSerializeΘͽͣΡ

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ͩ΢̵Θ͹;෱ͥΑͭ͡͹͵

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ͳ͜Ͷ

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Vector2Int;͡΄Intᔮ䯤᭜̵֛͢ Unity 2017.2΄ڹͽΘֵ͞ͼ԰䟵௔͘͢͹ͼ̵ ͳ΄ΔΔྋ憒΄Κͺ΁ᑏᤈͽͣΡ϶αϣ϶ϷΨ֢Σ͜Ѻ

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Vector2Int΄԰䟵϶αϣ϶Ϸ֢͢Π͵͡͹͵扖Ѻ @RyotaMurohoshi 2017/12/09 (ࢿ) ̓ଙ๛ͶΞ̈́Unity ͠独;独΀ ΄LTय़տ 2017̓ϪϺΠͭͼΘ͚͚΄Ξ̈́

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֢̿Π͵͡͹͵扖̀ ֢̿͹͵扖̀ͽ΅΀͚

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ͩ΢΅Vector2Int΄԰䟵϶αϣ϶ϷΨ֢Σ͜; ᝒ櫞΁ፗᶎ̵ͭૡॢͭ㪥Π̵᩼͞ͳͭͼগ㶧ͭ͵̵ͳΩ΀扖

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Vector2Int΄԰䟵϶αϣ϶Ϸ ԰䟵௔͹ͼ͚͹ͼΘ͚Σ͚Σ͘ΡΞ΃

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ϊЄφπЄϖAPI԰䟵௔ (㵛ಋ΁޸ݷ) • UnityEngine.Vector2Int͹ͼྋ憒;ݶͮݷڹ独APIΨ೮ͺ • UNITY_2017_2_OR_NEWERΨֵ͚Unity 2017.2ڹ΄Ε΁䌏䖕 • Unity 2017.2΁ίϐϤϔЄϕͭͼΘ̵԰䟵䯤᭜֛Ψֵ͜πЄϖ ΅֜Θ䄜͞΀ͥͼΘ͚͚Ξ͜΁ͭ͵͚

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τϷί϶αχ԰䟵௔ (㵛ಋ΁޸ݷ) Unity 2017.2ڹͽ̵԰䟵϶αϣ϶ϷΨτϷί϶αχ Unity 2017.2΁ϤϺυδμϕΨίϐϤϔЄϕͽͭ͵䦒̵ ڹ΁τϷί϶αχͭ͵㮔Ψͳ΄ΔΔֵ͞ΡΞ͜΁ͭ͵͚

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ϊЄφπЄϖAPI԰䟵௔ τϷί϶αχ԰䟵௔ ͩ΄2ͺΨ΀Ω;ͯ͡Ρ΄΁ᝒ㴼ͭ͵

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͘ΩΔΠ஀΁ᒈ͵΀͚ Unity΁ͧ͠ΡτϷί϶αχTIPS

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[Serializable] public class Player { [SerializeField] int hp; [SerializeField] string name; }

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class CharacterContainer : MonoBehaviour { [SerializeField] Player character; }

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τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ̵ ͩΩ΀ఽͮͽτϷί϶αχͫ΢Ρ Playerࣳͽ͘Ρఘ䁭΅Ϳͩ΁ΘτϷί϶αχͫ΢΀͚ character: hp: 300 name: "Yusha"

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[Serializable] public class Player { [SerializeField] int hp; [SerializeField] string name; } [Serializable] public class Enemy { [SerializeField] int hp; [SerializeField] string name; }

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Player => Enemy ΁䨗ͣ䟵͞ class CharacterContainer : MonoBehaviour { // 䨗ͣ䟵͞ : [SerializeField] Player character; [SerializeField] Enemy character; }

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τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ̵ ͩΩ΀ఽͮͽτϷί϶αχͫ΢͵ΔΔѺѺѺ character: hp: 300 name: "Yusha"

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τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ΅̵ τϷί϶αχͫ΢ΡϢΰЄϸϖ(΄ࣳ;ݷڹ)͢ݶͮ΀Ο ࣳᛔ֛͢䄜Υ͹ͼΘ԰䟵௔͘͢Ρ

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ͽ̵Vector2Int

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Vector2Int΅τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ̵ ͩΩ΀ఽͮͽτϷί϶αχͫ΢Ρ position: {x: 1, y: 3}

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嘦扯Ѻ

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[Serializable] public struct Dummy { [SerializeField] int x; [SerializeField] int y; }

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class Example : MonoBehaviour { [SerializeField] Dummy position; }

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τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ̵ ͩΩ΀ఽͮͽτϷί϶αχͫ΢Ρ position: x: 1 y: 3

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Dummy => Vector2Int ΁䨗ͣ䟵͞ class Example : MonoBehaviour { //[SerializeField] Dummy position; [SerializeField] Vector2Int position; }

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τЄЀϢήαϸ(*.unity独YAML୵ୗ)ͽ̵ ͩΩ΀ఽͮͽτϷί϶αχͫ΢Ρ position { x: 1, y: 3 }

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԰䟵϶αϣ϶ϷΘྋ憒΄Vector2Int;ݶ䯭̵ int΄x;yΨτϷί϶αχͽͣ΢Ά͚͚Ѻ

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#if !UNITY_2017_2_OR_NEWER namespace UnityEngine { [System.Serializable] public struct Vector2Int { [SerializeField] int x; [SerializeField] int y; // ኼ } } #endif

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SerializeField͢ͺ͚ͼΡ ϢΰЄϸϖ x独yΨਧ嬝 ͩΩ΀ఽͮͽ͚ͧΡѺ

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͚ͧ΀͚ѺѺѺѺ

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ͩ΢ͶΗѺѺѺ #if !UNITY_2017_2_OR_NEWER namespace UnityEngine { [System.Serializable] public struct Vector2Int { // ϢΰЄϸϖ [SerializeField] int x; [SerializeField] int y; // ኼ } } #endif

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API԰䟵௔ጱ΁΅ͩͭ͜͵͚ Vector2Int positon = new Vector2Int(3, 2); // ϤϺϞϓΰ int x = position.x; int y = position.y;

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΀΁͚ͧ͢΀͚͡ 䶲͢՞ͣΔͭ͵Ҙ

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ϊЄφπЄϖAPI԰䟵ጱ΁΅̵̿x̀͹ͼ̿ϤϺϞϓΰ̀͢஠ᥝ τϷί϶αχ԰䟵௔΁΅̵̿x̀͹ͼ̿ϢΰЄϸϖ̀͢஠ᥝ

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C#ጱ΁΅ݶݷ΄ϢΰЄϸϖ;ϤϺϞϓΰΨϯϓ΀͚

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ͺΩͶorz

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x独y;͚͜ϢΰЄϸϖݷͽ΀͚;τϷί϶αχ΄԰䟵௔͢orz [System.Serializable] public struct Vector2Int { [SerializeField] int _x; public int x { get { return _x; } set { _x = value; }} [SerializeField] int _y; public int y { get { return _y; } set { _y = value; }} }

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x独y;͚͜ϤϺϞϓΰݷͽ΀͚;API΄԰䟵௔͢orz [System.Serializable] public struct Vector2Int { [SerializeField] int x; public int X { get { return x; } set { x = value; }} [SerializeField] int y; public int Y { get { return y; } set { y = value; }} }

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C#ͽ΅̵ݶӞ΄ݷڹ΄ϢΰЄϸϖ;ϤϺϞϓΰΨਧ嬝ͽͣ΀͚ [System.Serializable] public struct Vector2Int { [SerializeField] int x; public int x { get { return x; } set { x = value; }} [SerializeField] int y; public int y { get { return y; } set { y = value; }} }

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ͺΩͶorz

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τϷί϶αχݷ΅̵ϢΰЄϸϖݷͽͭ͡䷥ΗΟ΢΀͚ORZ FormerlySerializedAs΅አ᭔͢晅͜orz τϷί϶αχͯΡݷڹΨ೰ਧͯΡં௔͘͢΢Άorz

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ͩΩ΀䱛ᚆ΅΀͚ͧ΢Ϳ̵͘͹͵ΟΞ͡͹͵ [System.Serializable] public struct Vector2Iny { [SerializedAs("x")] // ͩΩ΀ఽͮͽݷڹΨ೰ਧͭ͵͡͹͵ [SerializeField] int _x; public int x { get { return _x; } set { _x = value; }} [SerializedAs("y")] // ͩΩ΀ఽͮͽݷڹΨ೰ਧͭ͵͡͹͵ [SerializeField] int _y; public int y { get { return _y; } set { _y = value; }} }

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ͺΩͶorz

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橀(?)΄ṹ悬Ψֵ͞΀͚͡手ͭͼΕΡ

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Mono.Cecil ILΨͪ΁Νͪ΁Ν䨗ͣ䟵̵͞ෛ͵΀DLLΨ֢Ρͩ;͢ͽͣΡ

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Mono.CecilΨͺ͡͹ͼ x͹ͼϢΰЄϸϖ;ϤϺϞϓΰΨݶ䦒΁೮ͼΡΞ͜΁ ϢΰЄϸϖݷΨ䨗ͣ䟵͞ෛ͵΀DLLΨ֢ΠڊͯѺ

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ϤϺϞϓΰ΅πЀϞαϸͯΡ;ILጱ΁΅ get_x;͚͜Ϯϊϐϖ;set_x;͚͜Ϯϊϐϖ֢͢Ο΢Ρ x;͚͜ݷڹ΄ϮЀϝ͢ͽͣΡΥͧͽ΅΀̶͚ [System.Serializable] public class PropertyExample { [SerializeField ] int _x; public int x { get { return _x; } set { _x = value; } } }

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̿C#̀ጱ΁΅NGͽΘ̿.NET̀ጱ΁΅ ݶݷ΄privateϢΰЄϸϖ;publicϤϺϞϓΰΨ֢Ρͩ;΅ݢᚆ

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// Mono.CecilͽDLL΄Ӿ΄ࣳ΄قϢΰЄϸϖ΄ض毣΄`_`Ψ;͹͵ݷᑍ΁䄜ๅͯΡπЄϖ var targetAssembly = AssemblyDefinition.ReadAssembly(sourceAssemblyPath); foreach (var type in targetAssembly.Modules.SelectMany(x => x.Types)){ foreach (var field in type.Fields) { var fieldReference = field.Module.Import(field); fieldReference.Name = fieldReference.Name.TrimStart('_'); } } sourceAssembly.Write(resultAssemblyPath);

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C#ͽ΅ᔰፗ΁΅䨗ͧ΀͚ͧ΢Ϳ x;͚͜private ϢΰЄϸϖ& public ϤϺϞϓΰ y;͚͜private ϢΰЄϸϖ& public ϤϺϞϓΰ ݶ䦒΁ΘͺDLLΨMono.Cecilͽ֢΢ΡѺ

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㵛͹͵Ѻ

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ͧ΢Ϳͩ΢ΨͯΡ; UNITY_2017_2_OR_NEWERֵ͢͞΀͚

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ͺΩͶorz

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ϢΰЄϸϖ;ϤϺϞϓΰ΅㳨Ͷͧ΢Ϳ Θͩ͜΢ͽ͚͚͡ORZ [System.Serializable] public struct Vector2Int { public int x; public int y; } ϤϺϞϓΰ;ϢΰЄϸϖ΅㳨Ͷ͡Ο̵͚ΚͶͧͿ

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Δ;Η(;͚͜ݷ΄ݍ፜)

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Vector2Int΄԰䟵϶αϣ϶Ϸ֢͢Π͵͡͹͵扖Ѻ

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Vector2Int;͡΄԰䟵ࣳ ཿ͚ͭΞ΃

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• ϢΰЄϸϖ;ͳ΄ࣳ͢ݶͮ΀ΟτϷί϶αχ԰䟵௔͘Π • SerialzieField͢τϷί϶αχݷΨ೰ਧͽͣ΢Ά͚͚΄΁ORZ • Θͭͥ΅SerialzieAs͘͢΢Ά͚͚΄΁ORZ • Mono.CecilΨֵ͞Άݶݷ΄ϢΰЄϸϖ;ϤϺϞϓΰΨͺͥ΢Ρ

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Θͩ͜΢ͽ͚͚͡ORZ [System.Serializable] public struct Vector2Int { public int x; public int y; }

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ਠҁͥΚ͚ͭѺ҂