From cbe64618821a0ae9f1901ce1a4a3893d939fdc32 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 1 Feb 2015 00:21:17 +0100
Subject: Implement most of the chunk format

---
 src/World/Region.hpp | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/World/Region.hpp

(limited to 'src/World/Region.hpp')

diff --git a/src/World/Region.hpp b/src/World/Region.hpp
new file mode 100644
index 0000000..0843724
--- /dev/null
+++ b/src/World/Region.hpp
@@ -0,0 +1,64 @@
+/*
+  Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#pragma once
+
+#include "Chunk.hpp"
+
+#include <memory>
+#include <stdexcept>
+#include <tuple>
+#include <unordered_map>
+
+
+namespace MinedMap {
+namespace World {
+
+class Region {
+public:
+	static const size_t SIZE = 32;
+
+private:
+	typedef std::tuple<size_t, size_t, size_t> ChunkDesc;
+	typedef std::unordered_map<size_t, ChunkDesc> ChunkMap;
+
+	std::unique_ptr<Chunk> chunks[SIZE][SIZE];
+
+	static ChunkMap processHeader(const uint8_t header[4096]);
+
+public:
+	Region(const char *filename);
+
+	const Chunk * operator()(size_t x, size_t z) {
+		if (x >= SIZE || z >= SIZE)
+			throw std::range_error("Region(): bad coordinates");
+
+		return chunks[x][z].get();
+	}
+};
+
+}
+}
-- 
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