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[1.16.1]Change EyeHeight


kyazuki

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I want to change player's eyeheight.

I think it's impossible without replacing a vanilla method.

So I used coremod, but my cord caused error.

I think this cause is that 0.5 is double, but I don't know to define float value on JavaScript.

How do I solve this?

 

I have bad English, so I apologize if I say something strange.

 

Vanilla Method:

public float getStandingEyeHeight(Pose poseIn, EntitySize sizeIn) {
      switch(poseIn) {
      case SWIMMING:
      case FALL_FLYING:
      case SPIN_ATTACK:
         return 0.4F;
      case CROUCHING:
         return 1.27F;
      default:
         return 1.62F;
      }
   }

 

Byte Code of Vanilla Method:

public getStandingEyeHeight(Lnet/minecraft/entity/Pose;Lnet/minecraft/entity/EntitySize;)F
   L0
    LINENUMBER 1771 L0
    GETSTATIC net/minecraft/entity/player/PlayerEntity$1.$SwitchMap$net$minecraft$entity$Pose : [I
    ALOAD 1
    INVOKEVIRTUAL net/minecraft/entity/Pose.ordinal ()I
    IALOAD
    TABLESWITCH
      1: L1
      2: L1
      3: L1
      4: L2
      default: L3
   L1
    LINENUMBER 1775 L1
   FRAME SAME
    LDC 0.4
    FRETURN
   L2
    LINENUMBER 1777 L2
   FRAME SAME
    LDC 1.27
    FRETURN
   L3
    LINENUMBER 1779 L3
   FRAME SAME
    LDC 1.62
    FRETURN
   L4
    LOCALVARIABLE this Lnet/minecraft/entity/player/PlayerEntity; L0 L4 0
    LOCALVARIABLE p_213348_1_ Lnet/minecraft/entity/Pose; L0 L4 1
    LOCALVARIABLE p_213348_2_ Lnet/minecraft/entity/EntitySize; L0 L4 2
    MAXSTACK = 2
    MAXLOCALS = 3

 

Transformer.js:

var ASMAPI = Java.type('net.minecraftforge.coremod.api.ASMAPI');
var Opcodes = Java.type('org.objectweb.asm.Opcodes');

var mappedMethodName = ASMAPI.mapMethod("func_213348_b");

function initializeCoreMod() {
    return {
        'coremodmethod': {
            'target': {
                'type': 'METHOD',
                'class': 'net.minecraft.entity.player.PlayerEntity',
                'methodName': mappedMethodName,
                'methodDesc': '(Lnet/minecraft/entity/Pose;Lnet/minecraft/entity/EntitySize;)F'
            },
            'transformer': function(method) {
                var arrayLength = method.instructions.size();
                for (var i = arrayLength - 1; i >= 0; --i) {
                     var instruction = method.instructions.get(i);
                     if (instruction.getOpcode() == Opcodes.LDC) {
                        var LdcInsnNode = Java.type('org.objectweb.asm.tree.LdcInsnNode');
                        var newInstruction = new LdcInsnNode(0.5);
                        method.instructions.insertBefore(instruction, newInstruction);
                        method.instructions.remove(instruction);
                        print("Transformed!");
                        break;
                     }
                }
                return method;
            }
        }
    }
}

 

Error:

[main/INFO] [STDERR/]: [java.lang.Throwable:printStackTrace:644]: Caused by: java.lang.VerifyError: Bad type on operand stack
Exception Details:
  Location:
    net/minecraft/entity/player/PlayerEntity.getStandingEyeHeight(Lnet/minecraft/entity/Pose;Lnet/minecraft/entity/EntitySize;)F @51: freturn
  Reason:
    Type double_2nd (current frame, stack[1]) is not assignable to float
  Current Frame:
    bci: @51
    flags: { }
    locals: { 'net/minecraft/entity/player/PlayerEntity', 'net/minecraft/entity/Pose', 'net/minecraft/entity/EntitySize' }
    stack: { double, double_2nd }

 

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              | None                                     |     | L     | llibrary           | 1.7.20                  | llibrary-1.7.20-1.12.2.jar                            | None                                     |     | L     | mowziesmobs        | 1.5.8                   | mowziesmobs-1.5.8.jar                                 | None                                     |     | L     | nocubessrparmory   | 3.0.0                   | NoCubes_SRP_Combat_Addon_3.0.0.jar                    | None                                     |     | L     | nocubessrpnests    | 3.0.0                   | NoCubes_SRP_Nests_Addon_3.0.0.jar                     | None                                     |     | L     | nocubessrpsurvival | 3.0.0                   | NoCubes_SRP_Survival_Addon_3.0.0.jar                  | None                                     |     | L     | nocubesrptweaks    | V4.1                    | nocubesrptweaks-V4.1.jar                              | None                                     |     | L     | patchouli          | 1.0-23.6                | Patchouli-1.0-23.6.jar                                | None                                     |     | L     | artifacts          | 1.1.2                   | RLArtifacts-1.1.2.jar                                 | None                                     |     | L     | rsgauges           | 1.2.8                   | rsgauges-1.12.2-1.2.8.jar                             | None                                     |     | L     | rustic             | 1.1.7                   | rustic-1.1.7.jar                                      | None                                     |     | L     | silentlib          | 3.0.13                  | SilentLib-1.12.2-3.0.14+168.jar                       | None                                     |     | L     | scalinghealth      | 1.3.37                  | ScalingHealth-1.12.2-1.3.42+147.jar                   | None                                     |     | L     | lteleporters       | 1.12.2-3.0.2            | simpleteleporters-1.12.2-3.0.2.jar                    | None                                     |     | L     | spartanshields     | 1.5.5                   | SpartanShields-1.12.2-1.5.5.jar                       | None                                     |     | L     | spartanweaponry    | 1.5.3                   | SpartanWeaponry-1.12.2-1.5.3.jar                      | None                                     |     | L     | srparasites        | 1.9.18                  | SRParasites-1.12.2v1.9.18.jar                         | None                                     |     | L     | treasure2          | 2.2.0                   | Treasure2-mc1.12.2-f14.23.5.2859-v2.2.1.jar           | None                                     |     | L     | treeharvester      | 4.0                     | treeharvester_1.12.2-4.0.jar                          | None                                     |     | L     | twilightforest     | 3.11.1021               | twilightforest-1.12.2-3.11.1021-universal.jar         | None                                     |     | L     | variedcommodities  | 1.12.2                  | VariedCommodities_1.12.2-(31Mar23).jar                | None                                     |     | L     | voicechat          | 1.12.2-2.4.32           | voicechat-forge-1.12.2-2.4.32.jar                     | None                                     |     | L     | wolfarmor          | 3.8.0                   | WolfArmorAndStorage-1.12.2-3.8.0-universal-signed.jar | None                                     |     | L     | worldborder        | 2.3                     | worldborder_1.12.2-2.3.jar                            | None                                     |     | L     | midnight           | 0.3.5                   | themidnight-0.3.5.jar                                 | None                                     |     | L     | structurize        | 1.12.2-0.10.277-RELEASE | structurize-1.12.2-0.10.277-RELEASE.jar               | None                                     |     Loaded coremods (and transformers):  llibrary (llibrary-core-1.0.11-1.12.2.jar)   net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer   net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher WolfArmorCore (WolfArmorAndStorage-1.12.2-3.8.0-universal-signed.jar)    AstralCore (astralsorcery-1.12.2-1.10.27.jar)    CreativePatchingLoader (CreativeCore_v1.10.71_mc1.12.2.jar)    SecurityCraftLoadingPlugin ([1.12.2] SecurityCraft v1.9.8.jar)    ForgelinPlugin (Forgelin-1.8.4.jar)    midnight (themidnight-0.3.5.jar)   com.mushroom.midnight.core.transformer.MidnightClassTransformer FutureMC (Future-MC-0.2.19.jar)   thedarkcolour.futuremc.asm.CoreTransformer SpartanWeaponry-MixinLoader (SpartanWeaponry-1.12.2-1.5.3.jar)    Backpacked (backpacked-1.4.3-1.12.2.jar)   com.mrcrayfish.backpacked.asm.BackpackedTransformer LoadingPlugin (Reskillable-1.12.2-1.13.0.jar)   codersafterdark.reskillable.base.asm.ClassTransformer LoadingPlugin (Bloodmoon-MC1.12.2-1.5.3.jar)   lumien.bloodmoon.asm.ClassTransformer     Profiler Position: N/A (disabled)     Is Modded: Definitely; Server brand changed to 'fml,forge'     Type: Dedicated Server (map_server.txt)
    • When i add mods like falling leaves, visuality and kappas shaders, even if i restart Minecraft they dont show up in the mods menu and they dont work
    • Delete the forge-client.toml file in your config folder  
    • If you are using AMD/ATI, get the latest drivers from their website - do not update via system  
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