PerformanceMetricsEvent.java

net.minecraft.client.telemetry.events.PerformanceMetricsEvent

信息

• 全限定名：net.minecraft.client.telemetry.events.PerformanceMetricsEvent
• 类型：public final class
• 包：net.minecraft.client.telemetry.events
• 源码路径：src/main/java/net/minecraft/client/telemetry/events/PerformanceMetricsEvent.java
• 起始行号：L13
• 继承：AggregatedTelemetryEvent
• 职责：

  TODO

字段/常量

• DEDICATED_MEMORY_KB

  • 类型: long
  • 修饰符: private static final
  • 源码定位: L14
  • 说明:

    TODO

• fpsSamples

  • 类型: LongList
  • 修饰符: private final
  • 源码定位: L15
  • 说明:

    TODO

• frameTimeSamples

  • 类型: LongList
  • 修饰符: private final
  • 源码定位: L16
  • 说明:

    TODO

• usedMemorySamples

  • 类型: LongList
  • 修饰符: private final
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

• 无

方法

下面的方法块按源码顺序生成。

public void tick(TelemetryEventSender eventSender) @ L19

• 方法名：tick
• 源码定位：L19
• 返回类型：void
• 修饰符：public

参数:

• eventSender: TelemetryEventSender

说明:

TODO

private void resetValues() @ L26

• 方法名：resetValues
• 源码定位：L26
• 返回类型：void
• 修饰符：private

参数:

• 无

说明:

TODO

public void takeSample() @ L32

• 方法名：takeSample
• 源码定位：L32
• 返回类型：void
• 修饰符：public

参数:

• 无

说明:

TODO

private void takeUsedMemorySample() @ L39

• 方法名：takeUsedMemorySample
• 源码定位：L39
• 返回类型：void
• 修饰符：private

参数:

• 无

说明:

TODO

public void sendEvent(TelemetryEventSender eventSender) @ L46

• 方法名：sendEvent
• 源码定位：L46
• 返回类型：void
• 修饰符：public

参数:

• eventSender: TelemetryEventSender

说明:

TODO

private static long toKilobytes(long bytes) @ L59

• 方法名：toKilobytes
• 源码定位：L59
• 返回类型：long
• 修饰符：private static

参数:

• bytes: long

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public final class PerformanceMetricsEvent extends AggregatedTelemetryEvent {
    private static final long DEDICATED_MEMORY_KB = toKilobytes(Runtime.getRuntime().maxMemory());
    private final LongList fpsSamples = new LongArrayList();
    private final LongList frameTimeSamples = new LongArrayList();
    private final LongList usedMemorySamples = new LongArrayList();
 
    @Override
    public void tick(TelemetryEventSender eventSender) {
        if (Minecraft.getInstance().telemetryOptInExtra()) {
            super.tick(eventSender);
        }
    }
 
    private void resetValues() {
        this.fpsSamples.clear();
        this.frameTimeSamples.clear();
        this.usedMemorySamples.clear();
    }
 
    @Override
    public void takeSample() {
        this.fpsSamples.add(Minecraft.getInstance().getFps());
        this.takeUsedMemorySample();
        this.frameTimeSamples.add(Minecraft.getInstance().getFrameTimeNs());
    }
 
    private void takeUsedMemorySample() {
        long totalMemory = Runtime.getRuntime().totalMemory();
        long freeMemory = Runtime.getRuntime().freeMemory();
        long usedMemorySample = totalMemory - freeMemory;
        this.usedMemorySamples.add(toKilobytes(usedMemorySample));
    }
 
    @Override
    public void sendEvent(TelemetryEventSender eventSender) {
        eventSender.send(TelemetryEventType.PERFORMANCE_METRICS, properties -> {
            properties.put(TelemetryProperty.FRAME_RATE_SAMPLES, new LongArrayList(this.fpsSamples));
            properties.put(TelemetryProperty.RENDER_TIME_SAMPLES, new LongArrayList(this.frameTimeSamples));
            properties.put(TelemetryProperty.USED_MEMORY_SAMPLES, new LongArrayList(this.usedMemorySamples));
            properties.put(TelemetryProperty.NUMBER_OF_SAMPLES, this.getSampleCount());
            properties.put(TelemetryProperty.RENDER_DISTANCE, Minecraft.getInstance().options.getEffectiveRenderDistance());
            properties.put(TelemetryProperty.DEDICATED_MEMORY_KB, (int)DEDICATED_MEMORY_KB);
        });
        this.resetValues();
    }
 
    private static long toKilobytes(long bytes) {
        return bytes / 1000L;
    }
}

引用的其他类

• Minecraft

  • 引用位置: 方法调用
  • 关联成员: Minecraft.getInstance()

• TelemetryEventSender

  • 引用位置: 参数

• AggregatedTelemetryEvent

  • 引用位置: 继承