From fc1fc8fbbc9dd9534f40de348210ea66b6defe42 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 1 Feb 2015 03:21:57 +0100
Subject: Use template argument for list subtype, extract further information
 from chunks

---
 src/World/Chunk.cpp | 4 ++++
 src/World/Chunk.hpp | 7 +++++++
 2 files changed, 11 insertions(+)

(limited to 'src/World')

diff --git a/src/World/Chunk.cpp b/src/World/Chunk.cpp
index f3a140d..fb46466 100644
--- a/src/World/Chunk.cpp
+++ b/src/World/Chunk.cpp
@@ -95,6 +95,10 @@ Chunk::Chunk(uint8_t *buffer, size_t buflen) {
 
 	if (!(*this) || tag.first != "")
 		throw std::invalid_argument("invalid root tag");
+
+	sections = (*this)->get<const NBT::ListTag<NBT::CompoundTag>>("Level", "Sections");
+	if (!sections)
+		throw std::invalid_argument("no sections found");
 }
 
 }
diff --git a/src/World/Chunk.hpp b/src/World/Chunk.hpp
index 7c485eb..3ed6cf4 100644
--- a/src/World/Chunk.hpp
+++ b/src/World/Chunk.hpp
@@ -29,6 +29,7 @@
 
 #include "../UniqueCPtr.hpp"
 #include "../NBT/CompoundTag.hpp"
+#include "../NBT/ListTag.hpp"
 
 #include <cstdint>
 #include <tuple>
@@ -44,8 +45,14 @@ public:
 private:
 	static std::pair<UniqueCPtr<uint8_t[]>, size_t> inflateChunk(uint8_t *data, size_t len);
 
+	std::shared_ptr<const NBT::ListTag<NBT::CompoundTag>> sections;
+
 public:
 	Chunk(uint8_t *buffer, size_t buflen);
+
+	const NBT::ListTag<NBT::CompoundTag> & getSections() const {
+		return *sections;
+	}
 };
 
 }
-- 
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