From 3eebd9d5aaeef4adfa62d95cd6f4f60b917a48c2 Mon Sep 17 00:00:00 2001
From: KiritoDv <kiritodev01@gmail.com>
Date: Tue, 2 Apr 2024 08:32:39 -0600
Subject: Removed header, values and indices with just offset

---
 src/factories/sm64/AnimationFactory.cpp | 23 ++++++++++++-----------
 src/utils/Decompressor.cpp              |  7 +++++++
 src/utils/Decompressor.h                |  6 ++++++
 3 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/src/factories/sm64/AnimationFactory.cpp b/src/factories/sm64/AnimationFactory.cpp
index 1b4070d..690263d 100644
--- a/src/factories/sm64/AnimationFactory.cpp
+++ b/src/factories/sm64/AnimationFactory.cpp
@@ -1,5 +1,8 @@
 #include "AnimationFactory.h"
 #include "spdlog/spdlog.h"
+#include <Decompressor.h>
+
+#define ANIMINDEX_COUNT(boneCount) (sizeof(boneCount) + 1) * 6 * sizeof(uint16_t)
 
 ExportResult SM64::AnimationBinaryExporter::Export(std::ostream &write, std::shared_ptr<IParsedData> raw, std::string& entryName, YAML::Node &node, std::string* replacement ) {
     auto writer = LUS::BinaryWriter();
@@ -29,11 +32,9 @@ ExportResult SM64::AnimationBinaryExporter::Export(std::ostream &write, std::sha
 }
 
 std::optional<std::shared_ptr<IParsedData>> SM64::AnimationFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
-    auto headerNode = GetSafeNode<YAML::Node>(node, "header");
-    auto valuesNode = GetSafeNode<YAML::Node>(node, "values");
-    auto indexNode = GetSafeNode<YAML::Node>(node, "indices");
+    auto offset = node["offset"];
 
-	LUS::BinaryReader header(reinterpret_cast<char *>(buffer.data()) + GetSafeNode<uint32_t>(headerNode, "offset"), GetSafeNode<uint32_t>(headerNode, "size"));
+	LUS::BinaryReader header = Decompressor::AutoDecode(node, buffer).GetReader();
 	header.SetEndianness(LUS::Endianness::Big);
 
 	auto flags = header.ReadInt16();
@@ -42,23 +43,23 @@ std::optional<std::shared_ptr<IParsedData>> SM64::AnimationFactory::parse(std::v
 	auto loopStart = header.ReadInt16();
 	auto loopEnd = header.ReadInt16();
 	auto unusedBoneCount = header.ReadInt16();
-    header.ReadUInt32();
-    header.ReadUInt32();
+    auto valuesAddr = header.ReadUInt32();
+    auto indexAddr = header.ReadUInt32();
 	auto length = header.ReadUInt32();
 
-    LUS::BinaryReader indices(reinterpret_cast<char*>(buffer.data()) + GetSafeNode<uint32_t>(indexNode, "offset"), GetSafeNode<uint32_t>(indexNode, "size"));
+    size_t indexLength = ANIMINDEX_COUNT(unusedBoneCount);
+    LUS::BinaryReader indices = Decompressor::AutoDecode(indexAddr, indexLength * sizeof(uint16_t), buffer).GetReader();
     indices.SetEndianness(LUS::Endianness::Big);
-    size_t indexLength = GetSafeNode<uint32_t>(indexNode, "size") / sizeof(int16_t);
     std::vector<int16_t> indicesData;
     for (size_t i = 0; i < indexLength; i++) {
         indicesData.push_back(indices.ReadInt16());
     }
 
-    LUS::BinaryReader values(reinterpret_cast<char*>(buffer.data()) + GetSafeNode<uint32_t>(valuesNode, "offset"), GetSafeNode<uint32_t>(valuesNode, "size"));
+	size_t valuesSize = (indexAddr - valuesAddr);
+    LUS::BinaryReader values = Decompressor::AutoDecode(valuesAddr, valuesSize, buffer).GetReader();
 	values.SetEndianness(LUS::Endianness::Big);
-	size_t entries = GetSafeNode<uint32_t>(valuesNode, "size") / sizeof(uint16_t);
     std::vector<uint16_t> valuesData;
-    for (size_t i = 0; i < entries; i++) {
+    for (size_t i = 0; i < valuesSize / sizeof(uint16_t); i++) {
         valuesData.push_back(values.ReadUInt16());
     }
 
diff --git a/src/utils/Decompressor.cpp b/src/utils/Decompressor.cpp
index 0fc806e..9570ab3 100644
--- a/src/utils/Decompressor.cpp
+++ b/src/utils/Decompressor.cpp
@@ -78,6 +78,13 @@ DecompressedData Decompressor::AutoDecode(YAML::Node& node, std::vector<uint8_t>
     throw std::runtime_error("Auto decode could not find a compression type nor uncompressed segment.\nThis is one of those issues that should never really happen.");
 }
 
+DecompressedData Decompressor::AutoDecode(uint32_t offset, std::optional<size_t> size, std::vector<uint8_t>& buffer) {
+    YAML::Node node;
+    node["offset"] = offset;
+
+    return AutoDecode(node, buffer, size);
+}
+
 uint32_t Decompressor::TranslateAddr(uint32_t addr, bool baseAddress){
     if(IS_SEGMENTED(addr)){
         const auto segment = Companion::Instance->GetFileOffsetFromSegmentedAddr(SEGMENT_NUMBER(addr));
diff --git a/src/utils/Decompressor.h b/src/utils/Decompressor.h
index 0cb5a01..d7671a4 100644
--- a/src/utils/Decompressor.h
+++ b/src/utils/Decompressor.h
@@ -6,6 +6,7 @@
 #include <yaml-cpp/yaml.h>
 #include <optional>
 #include <cstdint>
+#include "BinaryReader.h"
 
 enum class CompressionType {
     None,
@@ -23,12 +24,17 @@ struct DataChunk {
 struct DecompressedData {
     DataChunk* root;
     DataChunk segment;
+
+    LUS::BinaryReader GetReader() {
+        return LUS::BinaryReader(reinterpret_cast<char*>(segment.data), segment.size);
+    }
 };
 
 class Decompressor {
 public:
     static DataChunk* Decode(const std::vector<uint8_t>& buffer, uint32_t offset, CompressionType type);
     static DecompressedData AutoDecode(YAML::Node& node, std::vector<uint8_t>& buffer, std::optional<size_t> size = std::nullopt);
+    static DecompressedData AutoDecode(uint32_t offset, std::optional<size_t> size, std::vector<uint8_t>& buffer);
     static uint32_t TranslateAddr(uint32_t addr, bool baseAddress = false);
     static bool IsSegmented(uint32_t addr);
 
-- 
cgit v1.2.3