Add bk_zip library and BK64 decompression foundation

1 files changed, 13 insertions, 3 deletions

diff --git a/src/utils/TorchUtils.cpp b/src/utils/TorchUtils.cpp
index 86c836f..ec95c4a 100644
--- a/src/utils/TorchUtils.cpp
+++ b/src/utils/TorchUtils.cpp
@@ -8,12 +8,22 @@
 namespace fs = std::filesystem;
 
 uint32_t Torch::translate(const uint32_t offset) {
-    if (SEGMENT_NUMBER(offset) > 0x01) {
+    // Segment 0 is a raw offset. BK64 also translates segment 1 (it stores assets
+    // in compressed segments); other games leave segment 1 raw.
+    const uint32_t firstSegment =
+        Companion::Instance->GetGBIMinorVersion() == GBIMinorVersion::BK64 ? 0x00 : 0x01;
+    if (SEGMENT_NUMBER(offset) > firstSegment) {
         auto segment = SEGMENT_NUMBER(offset);
         const auto addr = Companion::Instance->GetFileOffsetFromSegmentedAddr(segment);
         if (!addr.has_value()) {
-            SPDLOG_ERROR("Segment data missing from game config\nPlease add an entry for segment {}", segment);
-            throw std::runtime_error("Failed to find offset");
+            // Fall back to the compressed-segment map
+            const auto compressedSegmentPair = Companion::Instance->GetFileOffsetFromCompressedSegmentedAddr(segment);
+
+            if (!compressedSegmentPair.has_value()) {
+                SPDLOG_ERROR("Segment data missing from game config\nPlease add an entry for segment {}", segment);
+                throw std::runtime_error("Failed to find offset");
+            }
+            return compressedSegmentPair.value().first + compressedSegmentPair.value().second + SEGMENT_OFFSET(offset);
         }
 
         return addr.value() + SEGMENT_OFFSET(offset);