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Push capes
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+116
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‎common/src/main/java/com/lambda/mixin/render/CapeFeatureRendererMixin.java‎

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@@ -0,0 +1,32 @@
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/*
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* Copyright 2025 Lambda
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.lambda.mixin.render;
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import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
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import net.minecraft.client.render.entity.feature.CapeFeatureRenderer;
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import net.minecraft.util.Identifier;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.injection.At;
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@Mixin(CapeFeatureRenderer.class)
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public class CapeFeatureRendererMixin {
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@ModifyExpressionValue(method = "render(Lnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumerProvider;ILnet/minecraft/client/network/AbstractClientPlayerEntity;FFFFFF)V", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/util/SkinTextures;capeTexture()Lnet/minecraft/util/Identifier;"))
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Identifier renderCape(Identifier original) {
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return new Identifier("lambda", "primary.png");
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}
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}

‎common/src/main/kotlin/com/lambda/module/modules/client/Network.kt‎

Lines changed: 9 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -28,10 +28,10 @@ import com.lambda.event.events.ConnectionEvent.Connect.Login.EncryptionResponse
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import com.lambda.event.listener.UnsafeListener.Companion.listenOnceUnsafe
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import com.lambda.event.listener.UnsafeListener.Companion.listenUnsafe
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import com.lambda.event.listener.UnsafeListener.Companion.listenUnsafeConcurrently
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import com.lambda.network.api.v1.endpoints.login
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import com.lambda.network.api.v1.models.Authentication
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import com.lambda.module.Module
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import com.lambda.module.tag.ModuleTag
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import com.lambda.network.api.v1.endpoints.login
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import com.lambda.network.api.v1.models.Authentication
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import com.lambda.network.api.v1.models.Authentication.Data
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import com.lambda.util.extension.isOffline
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import net.minecraft.client.network.AllowedAddressResolver
@@ -45,6 +45,7 @@ import net.minecraft.text.Text
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import java.math.BigInteger
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import java.util.*
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object Network : Module(
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name = "Network",
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description = "Lambda Authentication",
@@ -78,7 +79,7 @@ object Network : Module(
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}
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listenOnceUnsafe<ConnectionEvent.Connect.Post> {
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if (mc.gameProfile.isOffline) return@listenOnceUnsafe true
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if (mc.gameProfile.isOffline) return@listenOnceUnsafe true // ToDo: If the player have the properties but are invalid this doesn't work
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// If we log in right as the client responds to the encryption request, we start
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// a race condition where the game server haven't acknowledged the packets
@@ -89,8 +90,7 @@ object Network : Module(
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return@listenOnceUnsafe false
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}
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auth = resp
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deserialized = gson.fromJson(String(Base64.getUrlDecoder().decode(accessToken.split(".")[1])), Data::class.java)
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updateToken(resp)
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true
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}
@@ -113,7 +113,10 @@ object Network : Module(
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connection.send(LoginHelloC2SPacket(mc.session.username, mc.session.uuidOrNull))
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}
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internal fun updateToken(auth: Authentication?) { this.auth = auth }
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internal fun updateToken(resp: Authentication?) {
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auth = resp
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deserialized = gson.fromJson(String(Base64.getUrlDecoder().decode(accessToken.split(".")[1])), Data::class.java)
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}
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enum class ApiVersion(val value: String) {
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// We can use @Deprecated("Not supported") to remove old API versions in the future

‎common/src/main/kotlin/com/lambda/network/api/v1/endpoints/GetCape.kt‎

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/*
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* Copyright 2025 Lambda
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.lambda.network.api.v1.endpoints
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import com.github.kittinunf.fuel.Fuel
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import com.lambda.module.modules.client.Network.apiUrl
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import com.lambda.module.modules.client.Network.apiVersion
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import java.util.UUID
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/**
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* Get the cape of the given player UUID.
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*
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* input:
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* - ab24f5d6-dcf1-45e4-897e-b50a7c5e7422
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*
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* output:
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* - cape_1
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*/
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fun getCape(
35+
uuid: UUID,
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) =
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Fuel.put("$apiUrl/api/${apiVersion.value}/cape", listOf("id" to uuid.toString()))
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.responseString()

‎common/src/main/kotlin/com/lambda/network/api/v1/endpoints/SetCape.kt‎

Lines changed: 36 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,36 @@
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/*
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* Copyright 2025 Lambda
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*
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* This program is free software: you can redistribute it and/or modify
5+
* it under the terms of the GNU General Public License as published by
6+
* the Free Software Foundation, either version 3 of the License, or
7+
* (at your option) any later version.
8+
*
9+
* This program is distributed in the hope that it will be useful,
10+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
11+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12+
* GNU General Public License for more details.
13+
*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
16+
*/
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package com.lambda.network.api.v1.endpoints
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import com.github.kittinunf.fuel.Fuel
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import com.github.kittinunf.fuel.core.extensions.authentication
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import com.lambda.module.modules.client.Network
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import com.lambda.module.modules.client.Network.apiUrl
24+
import com.lambda.module.modules.client.Network.apiVersion
25+
import java.util.*
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fun setCape(
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// Get the cape of the given player UUID.
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// example: ab24f5d6-dcf1-45e4-897e-b50a7c5e7422
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// example: ab24f5d6dcf145e4897eb50a7c5e7422
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uuid: UUID,
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) =
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Fuel.put("$apiUrl/api/${apiVersion.value}/cape", listOf("id" to uuid.toString()))
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.authentication()
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.bearer(Network.accessToken)
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.responseString()

‎common/src/main/resources/lambda.mixins.common.json‎

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"render.BackgroundRendererMixin",
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"render.BlockRenderManagerMixin",
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"render.CameraMixin",
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"render.CapeFeatureRendererMixin",
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"render.ChatInputSuggestorMixin",
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"render.ChatScreenMixin",
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"render.DebugHudMixin",

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