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added RUNTIME_STEP_START and RUNTIME_STEP_STOP events (Variable Manager VM part) #25

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Merged
CubesterYT merged 1 commit into from
Jan 1, 2026
Merged

added RUNTIME_STEP_START and RUNTIME_STEP_STOP events (Variable Manager VM part) #25

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24 changes: 24 additions & 0 deletions src/engine/runtime.js
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Original file line number Diff line number Diff line change
Expand Up @@ -919,6 +919,22 @@ class Runtime extends EventEmitter {
return 'RUNTIME_DISPOSED';
}

/**
* Event name when _step() has been called.
* @const {string}
*/
static get RUNTIME_STEP_START () {
return 'RUNTIME_STEP_START';
}

/**
* Event name when _step() has finished all processing within the function.
* @const {string}
*/
static get RUNTIME_STEP_END () {
return 'RUNTIME_STEP_END';
}

/**
* Event name for reporting that a block was updated and needs to be rerendered.
* @const {string}
Expand Down Expand Up @@ -2563,6 +2579,11 @@ class Runtime extends EventEmitter {
* inactive threads after each iteration.
*/
_step () {
// RUNTIME_STEP_START runs before BEFORE_EXECUTE
// this runs before any processing of this new step
this.frameLoop._stepCounter++;
this.emit(Runtime.RUNTIME_STEP_START);

if (this.interpolationEnabled) {
interpolate.setupInitialState(this);
}
Expand Down Expand Up @@ -2646,6 +2667,9 @@ class Runtime extends EventEmitter {
if (this.interpolationEnabled) {
this._lastStepTime = Date.now();
}

// RUNTIME_STEP_END runs after AFTER_EXECUTE
this.emit(Runtime.RUNTIME_STEP_END);
}

/**
Expand Down
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