CHANGELOG.md

@@ -8,7 +8,7 @@ Ce journal suit les **versions du modpack**. Lorsqu'un seul module change, sa ve
 
 ## Non distribué
 
-Modules modifiés : **Another World `0.0.0-alpha.58`**, **I Like To Move It `0.0.0-alpha.17`**, **Only Fun `0.0.0-alpha.26`** et **Sanctuary `0.0.0-alpha.125`**. Le pack public reste temporairement en `26.2.0-alpha.222` jusqu'à la publication.
+Modules modifiés : **Another World `0.0.0-alpha.58`**, **I Like To Move It `0.0.0-alpha.17`**, **Only Fun `0.0.0-alpha.26`** et **Sanctuary `0.0.0-alpha.126`**. Le pack public reste temporairement en `26.2.0-alpha.222` jusqu'à la publication.
 
 - exige que l'attaquant possède son propre coffre-fort actif avant de pouvoir lancer ou achever le forage d'un autre coffre-fort ;
 - refuse aussi le crédit du butin côté données si le coffre-fort de l'attaquant disparaît pendant le forage, sans changer les données v4 ni les sauvegardes existantes ;
@@ -19,6 +19,7 @@ Modules modifiés : **Another World `0.0.0-alpha.58`**, **I Like To Move It `0.0
 - déclare l’épée en titane dans le contrat vanilla `minecraft:swords`, afin que ses attaques et propriétés d’épée s’appliquent aussi aux créatures aquatiques comme les poulpes.
 - permet aux petites et grandes boules de feu lancées par les pouvoirs de compagnons d’allumer un cadre de portail valide, avec les mêmes contrôles serveur et sans explosion destructrice lorsque le tir atteint ce cadre.
 - permet aux cisailles en titane de tondre les moutons avec le même butin et les mêmes événements que les cisailles vanilla, tout en conservant leur propriété incassable.
+- ajoute une cape blanche personnalisable en la combinant avec n’importe quelle bannière ; sa couleur et jusqu’à 16 motifs sont conservés, synchronisés et rendus avec la physique de cape vanilla.
 
 ## `26.2.0-alpha.222`
 

build.gradle

@@ -3438,7 +3438,7 @@ tasks.register("verifyProgressivePauseMenuRelease") {
 				"sanctuary/src/main/resources/assets/sanctuary/lang/${locale}.json"))]
 		}
 		if (rootProject.pack_version != "26.2.0-alpha.222"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| rootProject.onlyfun_version != "0.0.0-alpha.26"
 			|| release.pack_version != rootProject.pack_version || index.versionId != rootProject.pack_version
 			|| migration.source?.modules != [sanctuary: "0.0.0-alpha.108", onlyfun: "0.0.0-alpha.17"]
@@ -4279,7 +4279,7 @@ tasks.register("verifyShopPricingLayoutRelease") {
 		def index = new JsonSlurper().parse(file("pack/prism/modrinth.index.json"))
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.onlyfun_version != "0.0.0-alpha.26"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| release.pack_version != rootProject.pack_version || index.versionId != rootProject.pack_version
 			|| migration.source?.pack_version != "26.2.0-alpha.192"
 			|| migration.target?.pack_version != "26.2.0-alpha.193"
@@ -4373,7 +4373,7 @@ tasks.register("verifyShopCsvBossGatesRelease") {
 		def offerCatalog = file("sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/ShopOfferCatalog.java").text
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.onlyfun_version != "0.0.0-alpha.26"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| release.pack_version != rootProject.pack_version || index.versionId != rootProject.pack_version
 			|| migration.source?.pack_version != "26.2.0-alpha.194"
 			|| migration.source?.modules != [onlyfun: "0.0.0-alpha.18", sanctuary: "0.0.0-alpha.110"]
@@ -4465,7 +4465,7 @@ tasks.register("verifyQuestRequestsCauldronBatchesRelease") {
 		def sanctuaryManifest = new JsonSlurper().parse(file("sanctuary/src/main/resources/fabric.mod.json"))
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.itsalive_version != "0.0.0-alpha.36"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.196"
 			|| migration.target?.pack_version != "26.2.0-alpha.197"
 			|| migration.target?.modules != [itsalive: "0.0.0-alpha.29", sanctuary: "0.0.0-alpha.113"]
@@ -4482,7 +4482,7 @@ tasks.register("verifyQuestRequestsCauldronBatchesRelease") {
 			|| migration.distribution?.jei?.prism_source != "30.24.0.176"
 			|| migration.distribution?.jei?.target != "30.26.0.186"
 			|| migration.compatibility?.sanctuary_target_network_protocol != 19
-			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 22
+			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 23
 			|| release.pack_version != "26.2.0-alpha.222"
 			|| release.modrinth?.primary_file != "sanctuary-26.2.0-alpha.222.mrpack"
 			|| prism.versionId != "26.2.0-alpha.222"
@@ -4565,7 +4565,7 @@ tasks.register("verifyQuestRequestContractsRelease") {
 		def sanctuaryManifest = new JsonSlurper().parse(file("sanctuary/src/main/resources/fabric.mod.json"))
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.itsalive_version != "0.0.0-alpha.36"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.198"
 			|| migration.source?.modules?.sanctuary != "0.0.0-alpha.114"
 			|| migration.target?.pack_version != "26.2.0-alpha.199"
@@ -4576,7 +4576,7 @@ tasks.register("verifyQuestRequestContractsRelease") {
 			|| migration.quest_request_contracts?.right_click_shows_details_before_claim != true
 			|| migration.quest_request_contracts?.chat_accept_revalidates_distance_owner_sign_and_claim != true
 			|| migration.compatibility?.sanctuary_target_network_protocol != 20
-			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 22
+			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 23
 			|| release.pack_version != "26.2.0-alpha.222"
 			|| release.modrinth?.primary_file != "sanctuary-26.2.0-alpha.222.mrpack"
 			|| prism.versionId != "26.2.0-alpha.222"
@@ -4685,7 +4685,7 @@ tasks.register("verifyQuestRequestEscrowRelease") {
 		def packwizIndex = file("pack/packwiz/index.toml").text
 		def sanctuaryManifest = new JsonSlurper().parse(file("sanctuary/src/main/resources/fabric.mod.json"))
 		if (rootProject.pack_version != "26.2.0-alpha.222"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.200"
 			|| migration.source?.modules?.sanctuary != "0.0.0-alpha.115"
 			|| migration.target?.pack_version != "26.2.0-alpha.201"
@@ -4698,7 +4698,7 @@ tasks.register("verifyQuestRequestEscrowRelease") {
 			|| migration.quest_request_escrow?.reward_delivery_to_claimant_mailbox != true
 			|| migration.compatibility?.sanctuary_target_network_protocol != 21
 			|| sanctuaryManifest.custom?.sanctuary26?.data_version != 11
-			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 22
+			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 23
 			|| release.pack_version != "26.2.0-alpha.222"
 			|| release.modrinth?.primary_file != "sanctuary-26.2.0-alpha.222.mrpack"
 			|| prism.versionId != "26.2.0-alpha.222"
@@ -4742,7 +4742,7 @@ tasks.register("verifyWaystoneShopCulinaryAlpha202Release") {
 			|| rootProject.anotherworld_version != "0.0.0-alpha.58"
 			|| rootProject.itsalive_version != "0.0.0-alpha.36"
 			|| rootProject.iliketomoveit_version != "0.0.0-alpha.17"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.201"
 			|| migration.source?.modules != [
 				itsalive: "0.0.0-alpha.30",
@@ -4777,7 +4777,7 @@ tasks.register("verifyWaystoneShopCulinaryAlpha202Release") {
 			|| moveItManifest.custom?.sanctuary26?.data_version != 3
 			|| moveItManifest.custom?.sanctuary26?.network_protocol != 5
 			|| sanctuaryManifest.custom?.sanctuary26?.data_version != 11
-			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 22
+			|| sanctuaryManifest.custom?.sanctuary26?.network_protocol != 23
 			|| release.pack_version != "26.2.0-alpha.222"
 			|| release.modrinth?.primary_file != "sanctuary-26.2.0-alpha.222.mrpack"
 			|| prism.versionId != "26.2.0-alpha.222"
@@ -4900,7 +4900,7 @@ tasks.register("verifySafeVaultFeature") {
 		}.keySet()
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.anotherworld_version != "0.0.0-alpha.58"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.schema_version != 1
 			|| migration.source?.pack_version != "26.2.0-alpha.201"
 			|| migration.target?.pack_version != "26.2.0-alpha.202"
@@ -5759,7 +5759,7 @@ tasks.register("verifyAlpha210Release") {
 			it.path == "mods/jei-26.2-fabric-30.29.0.196.jar"
 		}
 		if (rootProject.pack_version != "26.2.0-alpha.222"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| rootProject.onlyfun_version != "0.0.0-alpha.26"
 			|| rootProject.iliketomoveit_version != "0.0.0-alpha.17"
 			|| rootProject.itsalive_version != "0.0.0-alpha.36"
@@ -5797,7 +5797,7 @@ tasks.register("verifyAlpha210Release") {
 			|| migration.distribution?.jei?.modrinth_version_id != "qaCQ7LGO"
 			|| migration.distribution?.jei?.packwiz_and_prism_synchronized != true
 			|| manifests.sanctuary.custom?.sanctuary26?.data_version != 11
-			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 22
+			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 23
 			|| manifests.onlyfun.custom?.sanctuary26?.data_version != 2
 			|| manifests.onlyfun.custom?.sanctuary26?.network_protocol != 3
 			|| manifests.iliketomoveit.custom?.sanctuary26?.data_version != 3
@@ -5858,10 +5858,11 @@ tasks.register("verifyAlpha211Release") {
 			onlyfun: "0.0.0-alpha.25",
 			ambiance: "0.0.0-alpha.22",
 			iliketomoveit: "0.0.0-alpha.16"]
-		def workspaceModules = currentModules + [sanctuary: "0.0.0-alpha.125", onlyfun: "0.0.0-alpha.26",
+		def workspaceModules = currentModules + [sanctuary: "0.0.0-alpha.126", onlyfun: "0.0.0-alpha.26",
 			iliketomoveit: "0.0.0-alpha.17"]
 		def expectedDataVersions = [ambiance: 2, itsalive: 3, onlyfun: 2, ouch: 1, sanctuary: 11]
 		def expectedProtocols = [ambiance: 6, itsalive: 4, onlyfun: 3, ouch: 1, sanctuary: 22]
+		def workspaceProtocols = expectedProtocols + [sanctuary: 23]
 		def manifests = expectedTarget.collectEntries { id, version ->
 			[(id): new JsonSlurper().parse(file("${id}/src/main/resources/fabric.mod.json"))]
 		}
@@ -5906,7 +5907,7 @@ tasks.register("verifyAlpha211Release") {
 			|| migration.compatibility?.data_versions != expectedDataVersions
 			|| migration.compatibility?.network_protocols != expectedProtocols
 			|| manifestDataVersions != expectedDataVersions
-			|| manifestProtocols != expectedProtocols
+			|| manifestProtocols != workspaceProtocols
 			|| migration.distribution?.pack_release_updated != true
 			|| migration.distribution?.packwiz_index_refreshed != true
 			|| migration.distribution?.prism_modrinth_index_updated != true
@@ -5957,7 +5958,7 @@ tasks.register("verifyAlpha212Release") {
 			it.path == "mods/jei-26.2-fabric-30.29.0.196.jar"
 		}
 		if (rootProject.pack_version != "26.2.0-alpha.222"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.211"
 			|| migration.source?.modules != [sanctuary: "0.0.0-alpha.119"]
 			|| migration.target?.pack_version != "26.2.0-alpha.212"
@@ -5976,7 +5977,7 @@ tasks.register("verifyAlpha212Release") {
 			|| migration.distribution?.prism_modrinth_index_updated != true
 			|| migration.distribution?.shared_client_server_mrpack != true
 			|| manifest.custom?.sanctuary26?.data_version != 11
-			|| manifest.custom?.sanctuary26?.network_protocol != 22
+			|| manifest.custom?.sanctuary26?.network_protocol != 23
 			|| !minecraftMixin.contains('method = "pickBlockOrEntity"')
 			|| release.pack_version != "26.2.0-alpha.222"
 			|| release.modrinth?.primary_file != "sanctuary-26.2.0-alpha.222.mrpack"
@@ -6439,7 +6440,7 @@ tasks.register("verifyAlpha218Release") {
 			redstoner: "0.0.0-alpha.11", onlyfun: "0.0.0-alpha.25", sanctuary: "0.0.0-alpha.121"]
 		def currentModules = targetModules + [redstoner: "0.0.0-alpha.13",
 			sanctuary: "0.0.0-alpha.124", iliketomoveit: "0.0.0-alpha.16", ambiance: "0.0.0-alpha.22"]
-		def workspaceModules = currentModules + [onlyfun: "0.0.0-alpha.26", sanctuary: "0.0.0-alpha.125",
+		def workspaceModules = currentModules + [onlyfun: "0.0.0-alpha.26", sanctuary: "0.0.0-alpha.126",
 			iliketomoveit: "0.0.0-alpha.17"]
 		def requiredJars = currentModules.collect { id, version ->
 			"file = \"mods/${id}-${version}.jar\""
@@ -6452,7 +6453,7 @@ tasks.register("verifyAlpha218Release") {
 			|| workspaceModules.findAll { id, version -> id != "redstoner" && id != "sanctuary" }.any {
 				id, version -> rootProject.property("${id}_version") != version
 			}
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.217"
 			|| migration.source?.modules != sourceModules
 			|| migration.target?.pack_version != "26.2.0-alpha.218"
@@ -6477,7 +6478,7 @@ tasks.register("verifyAlpha218Release") {
 			|| manifests.onlyfun.custom?.sanctuary26?.data_version != 2
 			|| manifests.onlyfun.custom?.sanctuary26?.network_protocol != 3
 			|| manifests.sanctuary.custom?.sanctuary26?.data_version != 11
-			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 22
+			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 23
 			|| !rules.contains("MAX_CONTAINERS = 128")
 			|| !rules.contains("PAGE_SIZE = 54")
 			|| !networking.contains("PROTOCOL_VERSION = 7")
@@ -6536,7 +6537,7 @@ tasks.register("verifyAlpha219Release") {
 			sanctuary: "0.0.0-alpha.122", iliketomoveit: "0.0.0-alpha.16", ambiance: "0.0.0-alpha.21"]
 		def currentModules = targetModules + [
 			ambiance: "0.0.0-alpha.22", sanctuary: "0.0.0-alpha.124"]
-		def workspaceModules = currentModules + [sanctuary: "0.0.0-alpha.125", onlyfun: "0.0.0-alpha.26",
+		def workspaceModules = currentModules + [sanctuary: "0.0.0-alpha.126", onlyfun: "0.0.0-alpha.26",
 			iliketomoveit: "0.0.0-alpha.17"]
 		def requiredJars = currentModules.collect { id, version ->
 			"file = \"mods/${id}-${version}.jar\""
@@ -6578,7 +6579,7 @@ tasks.register("verifyAlpha219Release") {
 			|| migration.compatibility?.ambiance_data_version != 2
 			|| migration.compatibility?.ambiance_network_protocol != 6
 			|| manifests.sanctuary.custom?.sanctuary26?.data_version != 11
-			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 22
+			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 23
 			|| manifests.iliketomoveit.custom?.sanctuary26?.data_version != 3
 			|| manifests.iliketomoveit.custom?.sanctuary26?.network_protocol != 5
 			|| manifests.ambiance.custom?.sanctuary26?.data_version != 2
@@ -6862,7 +6863,7 @@ tasks.register("verifyAlpha222Release") {
 		}
 		if (rootProject.pack_version != "26.2.0-alpha.222"
 			|| rootProject.redstoner_version != "0.0.0-alpha.13"
-			|| rootProject.sanctuary_version != "0.0.0-alpha.125"
+			|| rootProject.sanctuary_version != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.221"
 			|| migration.source?.modules != [
 				redstoner: "0.0.0-alpha.12", sanctuary: "0.0.0-alpha.122"]
@@ -6905,7 +6906,7 @@ tasks.register("verifyAlpha222Release") {
 			|| manifests.redstoner.custom?.sanctuary26?.data_version != 3
 			|| manifests.redstoner.custom?.sanctuary26?.network_protocol != 7
 			|| manifests.sanctuary.custom?.sanctuary26?.data_version != 11
-			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 22
+			|| manifests.sanctuary.custom?.sanctuary26?.network_protocol != 23
 			|| !rules.contains("MAX_SEARCH_LENGTH = 32")
 			|| !rules.contains("compactCount(int count)")
 			|| !layout.contains("Keeps terminal slot identities stable")

gradle.properties

@@ -28,7 +28,7 @@ iliketomoveit_version=0.0.0-alpha.17
 iliketomoveit_lifecycle=active
 onlyfun_version=0.0.0-alpha.26
 onlyfun_lifecycle=active
-sanctuary_version=0.0.0-alpha.125
+sanctuary_version=0.0.0-alpha.126
 sanctuary_lifecycle=active
 pack_version=26.2.0-alpha.222
 maven_group=fr.koka99cab.sanctuary26

sanctuary/build.gradle

@@ -108,6 +108,66 @@ tasks.register("capeJoinSyncSmoke", JavaExec) {
 	mainClass = "fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeJoinSyncQueueSmoke"
 }
 
+tasks.register("capeBannerAppearanceSmoke", JavaExec) {
+	group = "verification"
+	description = "Checks the immutable 16-layer bound used by customizable banner capes."
+	dependsOn tasks.named("testClasses")
+	classpath = sourceSets.test.runtimeClasspath
+	mainClass = "fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearanceSmoke"
+}
+
+tasks.register("verifyBannerCapes") {
+	group = "verification"
+	description = "Checks the white-cape recipe, translations, bounded sync and vanilla-physics renderer."
+	inputs.files(
+		file("src/main/resources/data/sanctuary/recipe/banner_cape.json"),
+		file("src/main/resources/assets/sanctuary/models/item/white_cape.json"),
+		file("src/main/resources/assets/sanctuary/items/white_cape.json"),
+		file("src/main/resources/assets/sanctuary/textures/entity/cape/white_cape.png"),
+		file("src/main/resources/assets/sanctuary/textures/item/cape/white_cape.png"),
+		file("src/main/resources/fabric.mod.json")
+	)
+	inputs.files(fileTree("src/main/java").matching {
+		include "**/CapeBannerAppearance.java", "**/CapeSyncPayload.java", "**/SanctuaryCapes.java",
+			"**/BannerCapeLayer.java", "**/BannerCapeModel.java", "**/AvatarRendererMixin.java"
+	})
+	inputs.files(["en_us", "fr_fr", "ru_ru"].collect {
+		file("src/main/resources/assets/sanctuary/lang/${it}.json")
+	})
+	doLast {
+		def recipe = new JsonSlurper().parse(file(
+			"src/main/resources/data/sanctuary/recipe/banner_cape.json"))
+		def manifest = new JsonSlurper().parse(file("src/main/resources/fabric.mod.json"))
+		def javaText = fileTree("src/main/java").matching { include "**/*.java" }.files*.text.join("\n")
+		def entityTexture = ImageIO.read(file(
+			"src/main/resources/assets/sanctuary/textures/entity/cape/white_cape.png"))
+		def itemTexture = ImageIO.read(file(
+			"src/main/resources/assets/sanctuary/textures/item/cape/white_cape.png"))
+		def translations = ["en_us", "fr_fr", "ru_ru"].collect {
+			new JsonSlurper().parse(file("src/main/resources/assets/sanctuary/lang/${it}.json"))
+		}
+		if (project.version.toString() != "0.0.0-alpha.126"
+			|| manifest.custom?.sanctuary26?.data_version != 11
+			|| manifest.custom?.sanctuary26?.network_protocol != 23
+			|| recipe.type != "minecraft:crafting_special_shielddecoration"
+			|| recipe.banner != "#minecraft:banners"
+			|| recipe.target != "sanctuary:white_cape"
+			|| recipe.result?.id != "sanctuary:white_cape"
+			|| entityTexture?.width != 64 || entityTexture?.height != 32
+			|| itemTexture?.width != 16 || itemTexture?.height != 16
+			|| translations.any { !it.containsKey("item.sanctuary.white_cape") }
+			|| !javaText.contains('SanctuaryMod.id("white_cape")')
+			|| !javaText.contains("DataComponents.BANNER_PATTERNS")
+			|| !javaText.contains("MAX_PATTERNS = 16")
+			|| !javaText.contains("ByteBufCodecs.list(CapeBannerAppearance.MAX_PATTERNS)")
+			|| !javaText.contains("BannerRenderer.submitPatterns")
+			|| !javaText.contains("LivingEntityRenderLayerRegistrationCallback.EVENT.register")
+			|| !javaText.contains("extends PlayerCapeModel")) {
+			throw new GradleException("Sanctuary customizable banner-cape contract is incomplete")
+		}
+	}
+}
+
 tasks.register("alphaIndevGeneratorSmoke", JavaExec) {
 	group = "verification"
 	description = "Checks deterministic finite Indev islands, residences and safe portal arrivals."
@@ -151,7 +211,7 @@ tasks.register("verifyBlackMarket") {
 		def questData = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/QuestBoardData.java").text
 		def quests = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/QuestBoardService.java").text
 		def inventoryView = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/api/inventory/SanctuaryPlayerInventoryView.java").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| !data.contains('SAVE_KEY = "black_market"') || !data.contains("DATA_VERSION = 2")
 			|| !data.contains("ItemStack.CODEC.fieldOf(\"item\")") || !data.contains("replaceListing")
 			|| !service.contains("LISTING_FEE_RUBIES = 1") || !service.contains("COMMISSION_PERCENT = 5")
@@ -165,7 +225,7 @@ tasks.register("verifyBlackMarket") {
 			|| !minecraftMixin.contains('method = "pickBlockOrEntity"')
 			|| !middleClickPayload.contains('SanctuaryMod.id("c2s/black_market_interact")')
 			|| !middleClickPayload.contains("No client position, listing ID, item or price is trusted")
-			|| !network.contains("PROTOCOL_VERSION = 22")
+			|| !network.contains("PROTOCOL_VERSION = 23")
 			|| !network.contains("BlackMarketService.middleClick(context.player())")
 			|| !service.contains("loadedDeliveryBox") || !service.contains("PARCEL_RETENTION_MILLIS")
 			|| !policy.contains("DataComponents.CONTAINER") || !policy.contains("DataComponents.BUNDLE_CONTENTS")
@@ -1144,7 +1204,7 @@ tasks.register("verifySanctuary") {
 
 		def manifest = new JsonSlurper().parse(file("src/main/resources/fabric.mod.json"))
 		if (manifest.custom?.sanctuary26?.data_version != 11
-			|| manifest.custom?.sanctuary26?.network_protocol != 22
+			|| manifest.custom?.sanctuary26?.network_protocol != 23
 			|| manifest.depends?.jei != ">=30.24.0.176"
 			|| manifest.depends?."fabric-api" != ">=0.155.0+26.2"
 			|| !manifest.entrypoints?.client?.contains("fr.koka99cab.sanctuary26.sanctuary.client.SanctuaryClient")
@@ -2850,7 +2910,7 @@ tasks.register("verifyShopCurrencyRowsRelease") {
 			"src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/BlackMarketService.java").text
 		def shop = file(
 			"src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/ShopService.java").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.117"
 			|| migration.shop_currency_inventory?.all_unlocked_rows_counted != true
 			|| migration.shop_currency_inventory?.overflow_rows_counted != true
@@ -3016,7 +3076,7 @@ tasks.register("verifyProgressivePauseMenu") {
 			"pack/migrations/26.2.0-alpha.190-progressive-pause-menu-to-alpha.191.json"))
 		def pauseMenu = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/mixin/client/PauseScreenMixin.java").text
 		def costs = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/progression/SanctuaryProgressionCosts.java").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.pack_version != "26.2.0-alpha.191"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.109"
 			|| migration.pause_menu?.progression_full_width != true
@@ -3054,7 +3114,7 @@ tasks.register("verifyShopPricingLayout") {
 			"pack/migrations/26.2.0-alpha.192-shop-pricing-layout-to-alpha.193.json"))
 		def screen = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/SanctuaryShopScreen.java").text
 		def progression = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/ShopProgression.java").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.110"
 			|| migration.shop_layout?.locked_offer_buttons != 6
 			|| migration.shop_layout?.button_slots != [4, 5, 6, 7, 8, 9]
@@ -3085,7 +3145,7 @@ tasks.register("verifyShopCsvBossGates") {
 			"pack/migrations/26.2.0-alpha.194-shop-csv-boss-gates-to-alpha.195.json"))
 		def provider = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/ShopCatalogProvider.java").text
 		def catalog = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/shop/ShopOfferCatalog.java").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.pack_version != "26.2.0-alpha.195"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.111"
 			|| migration.compatibility?.sanctuary_data_version != 11
@@ -3116,7 +3176,7 @@ tasks.register("verifyDeliveryBoxOrientation") {
 		def blockstate = new JsonSlurper().parse(
 			file("src/main/resources/assets/sanctuary/blockstates/delivery_box.json"))
 		def expectedVariants = ["facing=north", "facing=east", "facing=south", "facing=west"].toSet()
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.112"
 			|| migration.mailbox?.id != "sanctuary:delivery_box"
 			|| migration.mailbox?.horizontal_facing != true
@@ -3144,7 +3204,7 @@ tasks.register("verifyInventoryShiftClick") {
 		def mixin = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/mixin/AbstractContainerMenuMixin.java").text
 		def screen = file("src/main/java/fr/koka99cab/sanctuary26/sanctuary/mixin/client/AbstractContainerScreenMixin.java").text
 		def gui = file("INVENTORY_GUI.md").text
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| !transfer.contains("shouldAppendOverflow")
 			|| !transfer.contains("isVanillaStorageRange")
 			|| !transfer.contains("hotbarStart")
@@ -3190,7 +3250,7 @@ tasks.register("verifyQuestRequests") {
 			new JsonSlurper().parse(file("src/main/resources/data/sanctuary/loot_table/blocks/${path}.json"))
 				.pools[0].entries[0].name
 		}
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.113"
 			|| migration.quest_requests?.save_key != "quest_requests"
 			|| migration.quest_requests?.data_version != 1
@@ -3202,7 +3262,7 @@ tasks.register("verifyQuestRequests") {
 			|| !data.contains('SAVE_KEY = "quest_requests"') || !data.contains("DATA_VERSION = 3")
 			|| !service.contains("PlayerBlockBreakEvents.BEFORE")
 			|| !service.contains("player.blockPosition().distSqr(payload.pos()) > 64.0D")
-			|| !network.contains("PROTOCOL_VERSION = 22")
+			|| !network.contains("PROTOCOL_VERSION = 23")
 			|| !network.contains("QuestRequestSubmitPayload.ID")
 			|| !network.contains("QuestRequestAcceptPayload.ID")
 			|| !registry.contains('SanctuaryMod.id("quest_request_sign")')
@@ -3248,7 +3308,7 @@ tasks.register("verifyQuestRequestContracts") {
 		def locales = ["fr_fr", "en_us", "ru_ru"].collectEntries { locale ->
 			[(locale): new JsonSlurper().parse(file("src/main/resources/assets/sanctuary/lang/${locale}.json"))]
 		}
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.198"
 			|| migration.source?.modules?.sanctuary != "0.0.0-alpha.114"
 			|| migration.target?.pack_version != "26.2.0-alpha.199"
@@ -3268,7 +3328,7 @@ tasks.register("verifyQuestRequestContracts") {
 			|| !service.contains('REWARD_LOAN = "loan"')
 			|| !service.contains('PLAYER.equals(targetKind)')
 			|| !screen.contains("rewardQuantity") || !screen.contains("killTargetIndex")
-			|| !network.contains("PROTOCOL_VERSION = 22")
+			|| !network.contains("PROTOCOL_VERSION = 23")
 			|| standingModel.textures?.all != "sanctuary:block/pink_quest_request_sign"
 			|| itemModel.textures?.layer0 != "sanctuary:item/pink_quest_request_sign"
 			|| blockTexture == null || blockTexture.width != 32 || blockTexture.height != 32
@@ -3317,7 +3377,7 @@ tasks.register("verifyQuestRequestEscrow") {
 		def locales = ["fr_fr", "en_us", "ru_ru"].collectEntries { locale ->
 			[(locale): new JsonSlurper().parse(file("src/main/resources/assets/sanctuary/lang/${locale}.json"))]
 		}
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.source?.pack_version != "26.2.0-alpha.200"
 			|| migration.source?.modules?.sanctuary != "0.0.0-alpha.115"
 			|| migration.target?.pack_version != "26.2.0-alpha.201"
@@ -3338,7 +3398,7 @@ tasks.register("verifyQuestRequestEscrow") {
 			|| !service.contains('"quest_request_reward"')
 			|| !service.contains('"quest_request_delivery"')
 			|| service.contains("sanctuary_quest_accept")
-			|| !network.contains("PROTOCOL_VERSION = 22")
+			|| !network.contains("PROTOCOL_VERSION = 23")
 			|| !network.contains("QuestRequestAcceptPayload.ID")
 			|| !network.contains("QuestRequestConfirmPayload.ID")
 			|| !acceptPayload.contains("readUtf(36)")
@@ -3389,7 +3449,7 @@ tasks.register("verifyAlphaIndev") {
 		def locales = ["fr_fr", "en_us", "ru_ru"].collect {
 			new JsonSlurper().parse(file("src/main/resources/assets/sanctuary/lang/${it}.json"))
 		}
-		if (project.version.toString() != "0.0.0-alpha.125"
+		if (project.version.toString() != "0.0.0-alpha.126"
 			|| migration.target?.modules?.sanctuary != "0.0.0-alpha.122"
 			|| migration.alpha_world?.dimension != "sanctuary:alpha"
 			|| migration.alpha_world?.legacy_dimension != "portals:alpha"
@@ -3413,6 +3473,8 @@ tasks.register("verifyAlphaIndev") {
 
 tasks.named("check") {
 	dependsOn tasks.named("verifySanctuary")
+	dependsOn tasks.named("verifyBannerCapes")
+	dependsOn tasks.named("capeBannerAppearanceSmoke")
 	dependsOn tasks.named("verifyDeliveryBoxOrientation")
 	dependsOn tasks.named("verifyQuestRequests")
 	dependsOn tasks.named("verifyQuestRequestContracts")

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/BannerCapeLayer.java

@@ -0,0 +1,70 @@
+package fr.koka99cab.sanctuary26.sanctuary.client;
+
+import com.mojang.blaze3d.vertex.PoseStack;
+import fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearance;
+import net.fabricmc.fabric.api.client.rendering.v1.LivingEntityFeatureRenderEvents;
+import net.fabricmc.fabric.api.client.rendering.v1.LivingEntityRenderLayerRegistrationCallback;
+import net.minecraft.client.model.player.PlayerModel;
+import net.minecraft.client.renderer.SubmitNodeCollector;
+import net.minecraft.client.renderer.blockentity.BannerRenderer;
+import net.minecraft.client.renderer.entity.RenderLayerParent;
+import net.minecraft.client.renderer.entity.layers.RenderLayer;
+import net.minecraft.client.renderer.entity.player.AvatarRenderer;
+import net.minecraft.client.renderer.entity.state.AvatarRenderState;
+import net.minecraft.client.renderer.texture.OverlayTexture;
+import net.minecraft.client.resources.model.EquipmentAssetManager;
+import net.minecraft.client.resources.model.EquipmentClientInfo;
+import net.minecraft.client.resources.model.sprite.SpriteGetter;
+import net.minecraft.core.component.DataComponents;
+import net.minecraft.world.entity.EntityTypes;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.equipment.Equippable;
+
+/** Renders the white cape with the base color and bounded pattern layers copied from a banner. */
+public final class BannerCapeLayer extends RenderLayer<AvatarRenderState, PlayerModel> {
+	private final BannerCapeModel model = new BannerCapeModel();
+	private final SpriteGetter sprites;
+	private final EquipmentAssetManager equipmentAssets;
+
+	private BannerCapeLayer(RenderLayerParent<AvatarRenderState, PlayerModel> parent,
+		SpriteGetter sprites, EquipmentAssetManager equipmentAssets) {
+		super(parent);
+		this.sprites = sprites;
+		this.equipmentAssets = equipmentAssets;
+	}
+
+	public static void register() {
+		LivingEntityRenderLayerRegistrationCallback.EVENT.register((entityType, renderer, helper, context) -> {
+			if (entityType != EntityTypes.PLAYER || !(renderer instanceof AvatarRenderer<?>)) return;
+			@SuppressWarnings("unchecked")
+			RenderLayerParent<AvatarRenderState, PlayerModel> parent =
+				(RenderLayerParent<AvatarRenderState, PlayerModel>) (Object) renderer;
+			helper.register(new BannerCapeLayer(parent, context.getSprites(), context.getEquipmentAssets()));
+		});
+		LivingEntityFeatureRenderEvents.ALLOW_CAPE_RENDER.register(state ->
+			!((BannerCapeRenderState) (Object) state).sanctuary$hasBannerCape());
+	}
+
+	@Override
+	public void submit(PoseStack poseStack, SubmitNodeCollector collector, int light,
+		AvatarRenderState state, float yRot, float xRot) {
+		CapeBannerAppearance appearance =
+			((BannerCapeRenderState) (Object) state).sanctuary$bannerCape();
+		if (appearance == null || state.isInvisible || !state.showCape
+			|| hasLayer(state.chestEquipment, EquipmentClientInfo.LayerType.WINGS)) return;
+
+		poseStack.pushPose();
+		if (hasLayer(state.chestEquipment, EquipmentClientInfo.LayerType.HUMANOID)) {
+			poseStack.translate(0.0F, -0.053125F, 0.06875F);
+		}
+		BannerRenderer.submitPatterns(sprites, poseStack, collector, light, OverlayTexture.NO_OVERLAY,
+			model, state, true, appearance.baseColor(), appearance.patterns(), null);
+		poseStack.popPose();
+	}
+
+	private boolean hasLayer(ItemStack stack, EquipmentClientInfo.LayerType layerType) {
+		Equippable equippable = stack.get(DataComponents.EQUIPPABLE);
+		if (equippable == null || equippable.assetId().isEmpty()) return false;
+		return !equipmentAssets.get(equippable.assetId().orElseThrow()).getLayers(layerType).isEmpty();
+	}
+}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/BannerCapeModel.java

@@ -0,0 +1,39 @@
+package fr.koka99cab.sanctuary26.sanctuary.client;
+
+import net.minecraft.client.model.geom.ModelPart;
+import net.minecraft.client.model.geom.PartPose;
+import net.minecraft.client.model.geom.builders.CubeListBuilder;
+import net.minecraft.client.model.geom.builders.LayerDefinition;
+import net.minecraft.client.model.geom.builders.MeshDefinition;
+import net.minecraft.client.model.geom.builders.PartDefinition;
+import net.minecraft.client.model.player.PlayerCapeModel;
+import net.minecraft.client.model.player.PlayerModel;
+import net.minecraft.client.renderer.entity.state.AvatarRenderState;
+
+/** Cape geometry whose UV area matches a 20x40 vanilla banner, scaled to cape dimensions. */
+final class BannerCapeModel extends PlayerCapeModel {
+	private final ModelPart bannerCape;
+
+	BannerCapeModel() {
+		super(createLayer().bakeRoot());
+		bannerCape = body.getChild("cape");
+	}
+
+	@Override
+	public void setupAnim(AvatarRenderState state) {
+		super.setupAnim(state);
+		bannerCape.xScale = 0.5F;
+		bannerCape.yScale = 0.4F;
+	}
+
+	private static LayerDefinition createLayer() {
+		MeshDefinition mesh = PlayerModel.createMesh(net.minecraft.client.model.geom.builders.CubeDeformation.NONE,
+			false);
+		PartDefinition root = mesh.getRoot().clearRecursively();
+		PartDefinition body = root.getChild("body");
+		body.addOrReplaceChild("cape", CubeListBuilder.create().texOffs(0, 0)
+			.addBox(-10.0F, 0.0F, -1.0F, 20.0F, 40.0F, 1.0F),
+			PartPose.offsetAndRotation(0.0F, 0.0F, 2.0F, 0.0F, (float) Math.PI, 0.0F));
+		return LayerDefinition.create(mesh, 64, 64);
+	}
+}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/BannerCapeRenderState.java

@@ -0,0 +1,13 @@
+package fr.koka99cab.sanctuary26.sanctuary.client;
+
+import fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearance;
+
+/** Client-only extension carrying one extracted banner cape appearance into render layers. */
+public interface BannerCapeRenderState {
+	CapeBannerAppearance sanctuary$bannerCape();
+	void sanctuary$setBannerCape(CapeBannerAppearance appearance);
+
+	default boolean sanctuary$hasBannerCape() {
+		return sanctuary$bannerCape() != null;
+	}
+}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/SanctuaryClient.java

@@ -104,6 +104,7 @@ public final class SanctuaryClient implements ClientModInitializer {
 		SanctuaryBulkActionsClient.initialize();
 		SanctuaryHealthPreview.register();
 		CelestialSpyglassSelection.register();
+		BannerCapeLayer.register();
 		EntityRendererRegistry.register(SanctuaryRegistries.SEAT, NoopRenderer::new);
 		ClientTickEvents.END_CLIENT_TICK.register(SanctuaryClient::tick);
 		ClientPlayNetworking.registerGlobalReceiver(ProgressionSnapshotPayload.ID, (payload, context) ->

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/client/SanctuaryClientCapes.java

@@ -1,6 +1,7 @@
 package fr.koka99cab.sanctuary26.sanctuary.client;
 
 import fr.koka99cab.sanctuary26.sanctuary.gameplay.SanctuaryCapes;
+import fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearance;
 import fr.koka99cab.sanctuary26.sanctuary.network.CapeSyncPayload;
 import java.util.HashMap;
 import java.util.Map;
@@ -9,22 +10,31 @@ import net.minecraft.resources.Identifier;
 
 /** Client mirror of server-authoritative equipped cape choices. */
 public final class SanctuaryClientCapes {
-	private static final Map<UUID, Identifier> TEXTURES = new HashMap<>();
+	private static final Map<UUID, Visual> VISUALS = new HashMap<>();
 
 	private SanctuaryClientCapes() {
 	}
 
 	public static void update(CapeSyncPayload payload) {
 		Identifier texture = SanctuaryCapes.texture(payload.capeItemId());
-		if (texture == null) TEXTURES.remove(payload.playerId());
-		else TEXTURES.put(payload.playerId(), texture);
+		CapeBannerAppearance banner = SanctuaryCapes.isBannerCape(payload.capeItemId())
+			? new CapeBannerAppearance(payload.baseColor(), payload.bannerPatterns()) : null;
+		if (texture == null) VISUALS.remove(payload.playerId());
+		else VISUALS.put(payload.playerId(), new Visual(texture, banner));
 	}
 
 	public static Identifier texture(UUID playerId) {
-		return TEXTURES.get(playerId);
+		Visual visual = VISUALS.get(playerId);
+		return visual == null ? null : visual.texture();
+	}
+
+	public static Visual visual(UUID playerId) {
+		return VISUALS.get(playerId);
 	}
 
 	public static void clear() {
-		TEXTURES.clear();
+		VISUALS.clear();
 	}
+
+	public record Visual(Identifier texture, CapeBannerAppearance banner) {}
 }

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/gameplay/CapeBannerAppearance.java

@@ -0,0 +1,20 @@
+package fr.koka99cab.sanctuary26.sanctuary.gameplay;
+
+import java.util.List;
+import net.minecraft.world.item.DyeColor;
+import net.minecraft.world.level.block.entity.BannerPatternLayers;
+
+/** Bounded banner appearance stored on and synchronized for the customizable white cape. */
+public record CapeBannerAppearance(DyeColor baseColor, BannerPatternLayers patterns) {
+	public static final int MAX_PATTERNS = 16;
+	public static final CapeBannerAppearance WHITE = new CapeBannerAppearance(
+		DyeColor.WHITE, BannerPatternLayers.EMPTY);
+
+	public CapeBannerAppearance {
+		baseColor = baseColor == null ? DyeColor.WHITE : baseColor;
+		List<BannerPatternLayers.Layer> layers = patterns == null
+			? List.of() : patterns.layers();
+		if (layers.size() > MAX_PATTERNS) layers = layers.subList(0, MAX_PATTERNS);
+		patterns = new BannerPatternLayers(List.copyOf(layers));
+	}
+}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/gameplay/SanctuaryCapeService.java

@@ -8,6 +8,7 @@ import net.fabricmc.fabric.api.networking.v1.PlayerLookup;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.item.ItemStack;
 
 /** Server authority and multiplayer distribution for equipped cape visuals. */
 public final class SanctuaryCapeService {
@@ -62,7 +63,11 @@ public final class SanctuaryCapeService {
 
 	private static void send(ServerPlayer receiver, ServerPlayer owner) {
 		if (!ServerPlayNetworking.canSend(receiver, CapeSyncPayload.ID)) return;
-		String capeId = SanctuaryCapes.itemId(SanctuaryInventoryCapacity.equippedCape(owner));
-		ServerPlayNetworking.send(receiver, new CapeSyncPayload(owner.getUUID(), capeId));
+		ItemStack cape = SanctuaryInventoryCapacity.equippedCape(owner);
+		String capeId = SanctuaryCapes.itemId(cape);
+		CapeBannerAppearance banner = SanctuaryCapes.bannerAppearance(cape);
+		if (banner == null) banner = CapeBannerAppearance.WHITE;
+		ServerPlayNetworking.send(receiver, new CapeSyncPayload(owner.getUUID(), capeId,
+			banner.baseColor(), banner.patterns()));
 	}
 }

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/gameplay/SanctuaryCapes.java

@@ -5,17 +5,21 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import net.minecraft.core.Registry;
+import net.minecraft.core.component.DataComponents;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.Identifier;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.world.item.CreativeModeTab;
+import net.minecraft.world.item.DyeColor;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.block.entity.BannerPatternLayers;
 
 /** Registration and immutable visual definitions for Sanctuary's collectible capes. */
 public final class SanctuaryCapes {
+	public static final Identifier WHITE_CAPE_ID = SanctuaryMod.id("white_cape");
 	public static final List<String> PATHS = List.of(
 		"transgender_cape", "mojang_cape", "founders_cape", "nes_cape", "pride_cape",
 		"pink_cape", "feesh_gang_cape", "gameboy_cape", "blue_cape", "chicken_cape",
@@ -28,7 +32,7 @@ public final class SanctuaryCapes {
 		"vanilla_cape", "java_edition_cape", "migration_cape", "creeper_anniversary_cape",
 		"java_twitch_cape", "minecon_enderman_cape", "iron_golem_minecon_cape", "minecon_2013_cape",
 		"crafter_twitchcon_cape", "minecon_pickaxe_cape", "minecon_2011_cape", "mojang_classic_cape",
-		"blue_scroll_cape"
+		"blue_scroll_cape", "white_cape"
 	);
 	private static final Map<Identifier, Definition> DEFINITIONS = registerDefinitions();
 	private static final ResourceKey<CreativeModeTab> CREATIVE_TAB_KEY = ResourceKey.create(
@@ -74,6 +78,17 @@ public final class SanctuaryCapes {
 		return definition == null ? null : definition.texture();
 	}
 
+	public static boolean isBannerCape(String itemId) {
+		return WHITE_CAPE_ID.toString().equals(itemId);
+	}
+
+	public static CapeBannerAppearance bannerAppearance(ItemStack stack) {
+		if (!WHITE_CAPE_ID.toString().equals(itemId(stack))) return null;
+		return new CapeBannerAppearance(
+			stack.getOrDefault(DataComponents.BASE_COLOR, DyeColor.WHITE),
+			stack.getOrDefault(DataComponents.BANNER_PATTERNS, BannerPatternLayers.EMPTY));
+	}
+
 	public static List<Definition> definitions() {
 		return List.copyOf(DEFINITIONS.values());
 	}
@@ -83,8 +98,13 @@ public final class SanctuaryCapes {
 		for (String path : PATHS) {
 			Identifier id = SanctuaryMod.id(path);
 			ResourceKey<Item> key = ResourceKey.create(Registries.ITEM, id);
+			Item.Properties properties = new Item.Properties().stacksTo(1).setId(key);
+			if (id.equals(WHITE_CAPE_ID)) {
+				properties.component(DataComponents.BASE_COLOR, DyeColor.WHITE)
+					.component(DataComponents.BANNER_PATTERNS, BannerPatternLayers.EMPTY);
+			}
 			Item item = Registry.register(BuiltInRegistries.ITEM, key,
-				new SanctuaryCapeItem(new Item.Properties().stacksTo(1).setId(key)));
+				new SanctuaryCapeItem(properties));
 			definitions.put(id, new Definition(id, item,
 				SanctuaryMod.id("entity/cape/" + path)));
 		}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/mixin/client/AvatarRenderStateMixin.java

@@ -0,0 +1,23 @@
+package fr.koka99cab.sanctuary26.sanctuary.mixin.client;
+
+import fr.koka99cab.sanctuary26.sanctuary.client.BannerCapeRenderState;
+import fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearance;
+import net.minecraft.client.renderer.entity.state.AvatarRenderState;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+
+/** Stores the synchronized banner appearance on the transient avatar render state. */
+@Mixin(AvatarRenderState.class)
+public final class AvatarRenderStateMixin implements BannerCapeRenderState {
+	@Unique private CapeBannerAppearance sanctuary$bannerCape;
+
+	@Override
+	public CapeBannerAppearance sanctuary$bannerCape() {
+		return sanctuary$bannerCape;
+	}
+
+	@Override
+	public void sanctuary$setBannerCape(CapeBannerAppearance appearance) {
+		sanctuary$bannerCape = appearance;
+	}
+}

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/mixin/client/AvatarRendererMixin.java

@@ -1,6 +1,7 @@
 package fr.koka99cab.sanctuary26.sanctuary.mixin.client;
 
 import fr.koka99cab.sanctuary26.sanctuary.client.SanctuaryClientCapes;
+import fr.koka99cab.sanctuary26.sanctuary.client.BannerCapeRenderState;
 import net.minecraft.client.renderer.entity.player.AvatarRenderer;
 import net.minecraft.client.renderer.entity.state.AvatarRenderState;
 import net.minecraft.core.ClientAsset;
@@ -21,11 +22,15 @@ abstract class AvatarRendererMixin {
 	)
 	private void sanctuary$applyEquippedCape(Avatar avatar, AvatarRenderState state,
 		float partialTick, CallbackInfo ci) {
-		Identifier texture = SanctuaryClientCapes.texture(avatar.getUUID());
+		SanctuaryClientCapes.Visual visual = SanctuaryClientCapes.visual(avatar.getUUID());
+		((BannerCapeRenderState) (Object) state).sanctuary$setBannerCape(
+			visual == null ? null : visual.banner());
+		Identifier texture = visual == null ? null : visual.texture();
 		PlayerSkin skin = state.skin;
 		if (texture == null || skin == null) return;
+		state.showCape = true;
+		if (visual.banner() != null) return;
 		state.skin = PlayerSkin.insecure(skin.body(), new ClientAsset.ResourceTexture(texture),
 			skin.elytra(), skin.model());
-		state.showCape = true;
 	}
 }

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/network/CapeSyncPayload.java

@@ -1,29 +1,44 @@
 package fr.koka99cab.sanctuary26.sanctuary.network;
 
 import fr.koka99cab.sanctuary26.sanctuary.SanctuaryMod;
+import fr.koka99cab.sanctuary26.sanctuary.gameplay.CapeBannerAppearance;
 import java.util.UUID;
 import net.minecraft.network.RegistryFriendlyByteBuf;
+import net.minecraft.network.codec.ByteBufCodecs;
 import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.network.protocol.common.custom.CustomPacketPayload;
+import net.minecraft.world.item.DyeColor;
+import net.minecraft.world.level.block.entity.BannerPatternLayers;
 
 /** Announces one player's currently equipped Sanctuary cape to clients. */
-public record CapeSyncPayload(UUID playerId, String capeItemId) implements CustomPacketPayload {
+public record CapeSyncPayload(UUID playerId, String capeItemId, DyeColor baseColor,
+	BannerPatternLayers bannerPatterns) implements CustomPacketPayload {
 	public static final Type<CapeSyncPayload> ID = new Type<>(SanctuaryMod.id("s2c/cape_sync"));
+	private static final StreamCodec<RegistryFriendlyByteBuf, BannerPatternLayers> BOUNDED_PATTERNS_CODEC =
+		BannerPatternLayers.Layer.STREAM_CODEC
+			.apply(ByteBufCodecs.list(CapeBannerAppearance.MAX_PATTERNS))
+			.map(BannerPatternLayers::new, BannerPatternLayers::layers);
 	public static final StreamCodec<RegistryFriendlyByteBuf, CapeSyncPayload> CODEC =
 		CustomPacketPayload.codec(CapeSyncPayload::write, CapeSyncPayload::new);
 
 	public CapeSyncPayload {
 		if (playerId == null) throw new IllegalArgumentException("Cape player UUID cannot be null");
 		capeItemId = capeItemId == null ? "" : capeItemId;
+		CapeBannerAppearance bounded = new CapeBannerAppearance(baseColor, bannerPatterns);
+		baseColor = bounded.baseColor();
+		bannerPatterns = bounded.patterns();
 	}
 
 	private CapeSyncPayload(RegistryFriendlyByteBuf buffer) {
-		this(buffer.readUUID(), buffer.readUtf(128));
+		this(buffer.readUUID(), buffer.readUtf(128), DyeColor.STREAM_CODEC.decode(buffer),
+			BOUNDED_PATTERNS_CODEC.decode(buffer));
 	}
 
 	private void write(RegistryFriendlyByteBuf buffer) {
 		buffer.writeUUID(playerId);
 		buffer.writeUtf(capeItemId, 128);
+		DyeColor.STREAM_CODEC.encode(buffer, baseColor);
+		BOUNDED_PATTERNS_CODEC.encode(buffer, bannerPatterns);
 	}
 
 	@Override public Type<? extends CustomPacketPayload> type() { return ID; }

sanctuary/src/main/java/fr/koka99cab/sanctuary26/sanctuary/network/SanctuaryNetworking.java

@@ -23,7 +23,7 @@ import net.minecraft.server.level.ServerPlayer;
  * Networking contract for Sanctuary. Payload IDs must use the module namespace.
  */
 public final class SanctuaryNetworking {
-	public static final int PROTOCOL_VERSION = 22;
+	public static final int PROTOCOL_VERSION = 23;
 	private static boolean initialized;
 
 	private SanctuaryNetworking() {

sanctuary/src/main/resources/assets/sanctuary/items/white_cape.json

@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+    "model": "sanctuary:item/white_cape"
+  }
+}

sanctuary/src/main/resources/assets/sanctuary/lang/en_us.json

@@ -505,5 +505,6 @@
 	"item.sanctuary.minecon_2011_cape": "Minecon 2011 Cape",
 	"item.sanctuary.mojang_classic_cape": "Mojang Classic Cape",
 	"item.sanctuary.blue_scroll_cape": "Blue Scroll Cape",
+	"item.sanctuary.white_cape": "White Cape",
 	"dimension.sanctuary.alpha": "Alpha / Indev Island"
 }

sanctuary/src/main/resources/assets/sanctuary/lang/fr_fr.json

@@ -505,5 +505,6 @@
 	"item.sanctuary.minecon_2011_cape": "Cape Minecon 2011",
 	"item.sanctuary.mojang_classic_cape": "Cape Mojang classique",
 	"item.sanctuary.blue_scroll_cape": "Cape parchemin bleu",
+	"item.sanctuary.white_cape": "Cape blanche",
 	"dimension.sanctuary.alpha": "Île Alpha / Indev"
 }

sanctuary/src/main/resources/assets/sanctuary/lang/ru_ru.json

@@ -461,5 +461,6 @@
 	"item.sanctuary.minecon_2011_cape": "Плащ Minecon 2011",
 	"item.sanctuary.mojang_classic_cape": "Классический плащ Mojang",
 	"item.sanctuary.blue_scroll_cape": "Плащ синего свитка",
+	"item.sanctuary.white_cape": "Белый плащ",
 	"dimension.sanctuary.alpha": "Остров Альфа / Indev"
 }

sanctuary/src/main/resources/assets/sanctuary/models/item/white_cape.json

@@ -0,0 +1,6 @@
+{
+  "parent": "minecraft:item/generated",
+  "textures": {
+    "layer0": "sanctuary:item/cape/white_cape"
+  }
+}

sanctuary/src/main/resources/data/sanctuary/recipe/banner_cape.json

@@ -0,0 +1,8 @@
+{
+  "type": "minecraft:crafting_special_shielddecoration",
+  "banner": "#minecraft:banners",
+  "result": {
+    "id": "sanctuary:white_cape"
+  },
+  "target": "sanctuary:white_cape"
+}

sanctuary/src/main/resources/fabric.mod.json

@@ -33,7 +33,7 @@
 			"system_type": "gameplay-system",
 			"namespace": "sanctuary",
 			"data_version": 11,
-			"network_protocol": 22,
+			"network_protocol": 23,
 			"lifecycle": "${lifecycle}",
 			"pack_version": "${pack_version}",
 			"descriptions": {

sanctuary/src/main/resources/sanctuary.mixins.json

@@ -17,6 +17,7 @@
 	],
 	"client": [
 		"client.AbstractButtonMixin",
+		"client.AvatarRenderStateMixin",
 		"client.AvatarRendererMixin",
 		"client.AbstractContainerScreenAccessor",
 		"client.AbstractContainerScreenMixin",

sanctuary/src/test/java/fr/koka99cab/sanctuary26/sanctuary/gameplay/CapeBannerAppearanceSmoke.java

@@ -0,0 +1,33 @@
+package fr.koka99cab.sanctuary26.sanctuary.gameplay;
+
+import java.util.ArrayList;
+import java.util.List;
+import net.minecraft.world.item.DyeColor;
+import net.minecraft.world.level.block.entity.BannerPatternLayers;
+
+/** Executable coverage for the network and renderer banner-layer bound. */
+public final class CapeBannerAppearanceSmoke {
+	private CapeBannerAppearanceSmoke() {
+	}
+
+	public static void main(String[] args) {
+		List<BannerPatternLayers.Layer> source = new ArrayList<>();
+		for (int index = 0; index < 20; index++) {
+			source.add(new BannerPatternLayers.Layer(null, DyeColor.RED));
+		}
+		CapeBannerAppearance bounded = new CapeBannerAppearance(
+			DyeColor.BLUE, new BannerPatternLayers(source));
+		require(bounded.baseColor() == DyeColor.BLUE, "Banner cape base color changed");
+		require(bounded.patterns().layers().size() == CapeBannerAppearance.MAX_PATTERNS,
+			"Banner cape patterns escaped their network/render bound");
+		source.clear();
+		require(bounded.patterns().layers().size() == CapeBannerAppearance.MAX_PATTERNS,
+			"Banner cape retained a mutable source list");
+		require(new CapeBannerAppearance(null, null).equals(CapeBannerAppearance.WHITE),
+			"Missing banner components did not fall back to a plain white cape");
+	}
+
+	private static void require(boolean condition, String message) {
+		if (!condition) throw new AssertionError(message);
+	}
+}