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Add example of returning string for unity-to-react communication
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@jozzhart
jozzhart committed Jan 10, 2023
1 parent 2bfa083 commit 557163d
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Showing 7 changed files with 238 additions and 2 deletions.
7 changes: 7 additions & 0 deletions testing/project/Assets/Controller.cs
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Expand Up @@ -9,6 +9,7 @@ class Controller : MonoBehaviour {
[DllImport ("__Internal")] static extern void ClickedNumbersTestButton (int[] values, int length);
[DllImport ("__Internal")] static extern void ClickedBoolTestButton (bool value);
[DllImport ("__Internal")] static extern void ClickedObjectTestButton (string stringValue, int intValue, bool boolValue);
[DllImport ("__Internal")] static extern string ClickedTestButtonReturnString ();

public Text textLog;

Expand Down Expand Up @@ -49,6 +50,12 @@ public void DispatchObjectEvent () {
#endif
}

public void DispatchEventReturnString () {
#if !UNITY_EDITOR && UNITY_WEBGL
SetLogText(ClickedTestButtonReturnString());
#endif
}

void SetLogText (string text) {
textLog.text = text;
}
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215 changes: 215 additions & 0 deletions testing/project/Assets/Main.unity
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9 changes: 8 additions & 1 deletion testing/project/Assets/Plugins/WebGL/Bridge.jslib
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
mergeInto(LibraryManager.library, {
mergeInto(LibraryManager.library, {
ClickedTestButton: function () {
dispatchReactUnityEvent("ClickedTestButton");
},
Expand All @@ -25,4 +25,11 @@
boolValue: boolValue === 1,
});
},
ClickedTestButtonReturnString: function () {
var returnStr = dispatchReactUnityEvent("ClickedTestButtonReturnString");
var bufferSize = lengthBytesUTF8(returnStr) + 1;
var buffer = _malloc(bufferSize);
stringToUTF8(returnStr, buffer, bufferSize);
return buffer;
},
});
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2 changes: 1 addition & 1 deletion testing/public/unity-build/communication-tests.framework.js
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7 changes: 7 additions & 0 deletions testing/src/unity-test.tsx
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Expand Up @@ -84,19 +84,26 @@ function UnityTest() {
console.log({ parameters });
}

function logParametersToConsoleWithReturn(...parameters: any[]) {
logParametersToConsole({ parameters });
return "String from React App";
}

addEventListener("ClickedTestButton", logParametersToConsole);
addEventListener("ClickedStringTestButton", logParametersToConsole);
addEventListener("ClickedNumberTestButton", logParametersToConsole);
addEventListener("ClickedNumbersTestButton", logParametersToConsole);
addEventListener("ClickedBoolTestButton", logParametersToConsole);
addEventListener("ClickedObjectTestButton", logParametersToConsole);
addEventListener("ClickedTestButtonReturnString", logParametersToConsoleWithReturn);
return () => {
removeEventListener("ClickedTestButton", logParametersToConsole);
removeEventListener("ClickedStringTestButton", logParametersToConsole);
removeEventListener("ClickedNumberTestButton", logParametersToConsole);
removeEventListener("ClickedNumbersTestButton", logParametersToConsole);
removeEventListener("ClickedBoolTestButton", logParametersToConsole);
removeEventListener("ClickedObjectTestButton", logParametersToConsole);
removeEventListener("ClickedTestButtonReturnString", logParametersToConsoleWithReturn);
};
}, [addEventListener, removeEventListener]);

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