From 8b5ef9129c2106564f0cfbc7f6dd934b5b5884ae Mon Sep 17 00:00:00 2001
From: inspectredc <inspectredc@gmail.com>
Date: Wed, 2 Jul 2025 18:55:50 +0100
Subject: ma2d1 support

---
 src/utils/Decompressor.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/utils/Decompressor.cpp')

diff --git a/src/utils/Decompressor.cpp b/src/utils/Decompressor.cpp
index 1fee382..5139fcc 100644
--- a/src/utils/Decompressor.cpp
+++ b/src/utils/Decompressor.cpp
@@ -7,6 +7,7 @@
 extern "C" {
 #include <libmio0/mio0.h>
 #include <libyay0/yay0.h>
+#include <libyay0/yay1.h>
 #include <libmio0/tkmk00.h>
 }
 
@@ -43,6 +44,17 @@ DataChunk* Decompressor::Decode(const std::vector<uint8_t>& buffer, const uint32
             gCachedChunks[offset] = new DataChunk{ decompressed, size };
             return gCachedChunks[offset];
         }
+        case CompressionType::YAY1: {
+            uint32_t size = 0;
+            uint8_t* decompressed = yay1_decode(in_buf, &size);
+
+            if(!decompressed){
+                throw std::runtime_error("Failed to decode YAY1");
+            }
+
+            gCachedChunks[offset] = new DataChunk{ decompressed, size };
+            return gCachedChunks[offset];
+        }
         default:
             throw std::runtime_error("Unknown compression type");
     }
@@ -106,6 +118,7 @@ DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>
     // Extract a compressed file which contains many assets.
     switch(type) {
         case CompressionType::YAY0:
+        case CompressionType::YAY1:
         case CompressionType::MIO0: {
             offset = ASSET_PTR(offset);
 
@@ -181,6 +194,10 @@ CompressionType Decompressor::GetCompressionType(std::vector<uint8_t>& buffer, c
             return CompressionType::YAY0;
         }
 
+        if (header == "Yay1") {
+            return CompressionType::YAY1;
+        }
+
         if (header == "Yaz0") {
             return CompressionType::YAZ0;
         }
-- 
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