Java At类代码示例

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@ModifyVariable(method = "getFovModifier", at = @At(value = "STORE", ordinal = 4))
private float getBowFov(float f) {
    if (!PastOption.INVERTED_BOW.getValue())
        return f;

    int i = this.getItemInUseDuration();
    float f1 = (float) i / 20.0F;

    if (f1 > 1.0F)
        f1 = 1.0F;
    else
        f1 = f1 * f1;

    return this.cache * (1.0F + f1 * 0.15F);
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "drawScreen", at = @At("HEAD"), cancellable = true)
public void onDrawScreen(int mouseX, int mouseY, float partialTicks, CallbackInfo ci) {
    Minecraft mc = Minecraft.getMinecraft();

    GuiScreen thisScreen = (GuiScreen) (Object) this;

    RenderGuiScreen renderGuiScreen = new RenderGuiScreen(thisScreen);
    EventManager.post(renderGuiScreen);

    if (renderGuiScreen.isCancelled()) {
        if (mc.currentScreen != null && mc.currentScreen != thisScreen) {
            mc.currentScreen.drawScreen(mouseX, mouseY, partialTicks);
        }
        ci.cancel();
    }

}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "onUpdateWalkingPlayer()V", at = @At("HEAD"), cancellable = true)
public void preUpdateWalkingPlayer(CallbackInfo callbackInfo) {
    PlayerWalkingUpdate event = EventManager.post(new PlayerWalkingUpdate(this.rotationYaw, this.rotationPitch));

    _yaw = this.rotationYaw;
    _pitch = this.rotationPitch;

    if (event.isCancelled()) {
        callbackInfo.cancel();
    } else {
        if (event.getYaw() != _yaw || event.getPitch() != _pitch) {
            this.rotationYaw = wrapAngleTo180(event.getYaw());
            this.rotationPitch = wrapAngleTo180(event.getPitch());
        }
    }
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "initGui()V", at = @At("RETURN"), locals = LocalCapture.CAPTURE_FAILSOFT)
private void initSplashText(CallbackInfo callbackInfo, Calendar calendar) {
    if (calendar.get(Calendar.MONTH) == Calendar.JUNE && calendar.get(Calendar.DAY_OF_MONTH) == 21)
        this.splashText = "Happy Birthday Gogume1er!";
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@ModifyArg(method = "drawScreen(IIF)V",
        at = @At(value = "INVOKE",
                target = "Lnet/minecraft/client/gui/GuiMainMenu;drawString(Lnet/minecraft/client/gui/FontRenderer;Ljava/lang/String;III)V",
                ordinal = 0))
private String drawMinecraftVersion(String minecraftVersion) {
    return minecraftVersion + " - Past " + Past.getVersion();
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "getFovModifier",
        at = {
                @At(value = "INVOKE",
                        target = "Lnet/minecraft/client/entity/AbstractClientPlayer;getEntityAttribute(Lnet/minecraft/entity/ai/attributes/IAttribute;)Lnet/minecraft/entity/ai/attributes/IAttributeInstance;",
                        shift = Shift.AFTER),
                @At(value = "INVOKE",
                        target = "Lnet/minecraft/client/entity/AbstractClientPlayer;getItemInUseDuration()I",
                        shift = Shift.AFTER)
        },
        locals = LocalCapture.CAPTURE_FAILEXCEPTION)
private void loadFovModifierInCache(CallbackInfoReturnable<Float> callbackInfo, float f) {
    this.cache = f;
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "renderItemInFirstPerson",
        at = @At(value = "INVOKE",
                target = "Lnet/minecraft/item/ItemStack;getItemUseAction()Lnet/minecraft/item/EnumAction;"),
        locals = LocalCapture.CAPTURE_FAILEXCEPTION)
private void loadCurrentPosition(float partialTicks, CallbackInfo callbackInfo, float f,
        AbstractClientPlayer abstractClientPlayer, float f1) {
    this.currentPosition = PastOption.OLD_BLOCKHIT.getValue() ? f1 : 0.0f;
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "refreshResources",
        at = @At(value = "INVOKE",
                target = "Ljava/util/List;addAll(Ljava/util/Collection;)Z",
                ordinal = 0,
                remap = false),
        locals = LocalCapture.CAPTURE_FAILEXCEPTION)
private void loadPastResourcePack(CallbackInfo callbackInfo, List<IResourcePack> list) {
    list.add(Past.getInstance().getResourcePack());
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "onCriticalHit",
        at = @At(value = "INVOKE",
                target = "Lnet/minecraft/client/particle/EffectRenderer;emitParticleAtEntity(Lnet/minecraft/entity/Entity;Lnet/minecraft/util/EnumParticleTypes;)V"))
private void multiplyCriticalParticle(Entity entityHit, CallbackInfo callbackInfo) {
    for (int i = 0; i < PastOption.PARTICLE_MULTIPLIER.getValue().intValue() - 1; ++i)
        this.mc.effectRenderer.emitParticleAtEntity(entityHit, EnumParticleTypes.CRIT);
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "onEnchantmentCritical",
        at = @At(value = "INVOKE",
                target = "Lnet/minecraft/client/particle/EffectRenderer;emitParticleAtEntity(Lnet/minecraft/entity/Entity;Lnet/minecraft/util/EnumParticleTypes;)V"))
private void multiplyEnchantmentParticle(Entity entityHit, CallbackInfo callbackInfo) {
    for (int i = 0; i < PastOption.PARTICLE_MULTIPLIER.getValue().intValue() - 1; ++i)
        this.mc.effectRenderer.emitParticleAtEntity(entityHit, EnumParticleTypes.CRIT_MAGIC);
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "<init>", at = @At("RETURN"))
private void initKeyBinding(CallbackInfo callbackInfo) {
    keys.put(this.keyCode, this);

    // This map is unused, but we can't just delete it :(
    hash.clearMap();
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "actionPerformed(Lnet/minecraft/client/gui/GuiButton;)V", at = @At("HEAD"), cancellable = true)
private void actionPerformedPastButton(GuiButton guiButton, CallbackInfo callbackInfo) {
    if (guiButton.enabled && guiButton.id == 2501) {
        Past.getInstance().getPastConfig().reloadConfig();
        this.mc.displayGuiScreen(new GuiPastSettings(this));
        callbackInfo.cancel();
    }
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "handleEntityStatus", at = @At("HEAD"), cancellable = true)
private void preHandleEntityStatus(SPacketEntityStatus packet, CallbackInfo ci) {
    if (mc.world == null)
        return;

    Entity entity = packet.getEntity(mc.world);
    // noinspection ConstantConditions
    if (entity == null)
        return;

    EntityStatusEvent event = new EntityStatusEvent(EventState.PRE, entity, packet.getOpCode());
    ClientAPI.EVENT_BUS.post(event);
    if (event.isCancelled())
        ci.cancel();
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "handleEntityStatus", at = @At("RETURN"))
private void postHandleEntityStatus(SPacketEntityStatus packet, CallbackInfo ci) {
    if (mc.world == null)
        return;

    Entity entity = packet.getEntity(mc.world);
    // noinspection ConstantConditions
    if (entity == null)
        return;

    ClientAPI.EVENT_BUS.post(new EntityStatusEvent(EventState.POST, entity, packet.getOpCode()));
}
 

import org.spongepowered.asm.mixin.injection.At; //导入依赖的package包/类
@Inject(method = "handleCombatEvent", at=  @At(value = "INVOKE_ASSIGN", target = "net/minecraft/network/PacketThreadUtil.checkThreadAndEnqueue(Lnet/minecraft/network/Packet;Lnet/minecraft/network/INetHandler;Lnet/minecraft/util/IThreadListener;)V"))
private void handleCombatEvent(SPacketCombatEvent event, CallbackInfo ci) {
    if (mc.world == null)
        return;

    if (event.eventType == SPacketCombatEvent.Event.ENTITY_DIED) {
        Entity died = mc.world.getEntityByID(event.playerId);
        Entity killer = mc.world.getEntityByID(event.entityId);

        // The entity that died should always be a player, this is just a safety measure.
        // The killer isn't checked because in some cases it can be null.
        if (died instanceof EntityPlayer)
            ClientAPI.EVENT_BUS.post(new PlayerDeathEvent((EntityPlayer) died, (EntityLivingBase) killer));
    }
}