Broken infinite world

1 files changed, 33 insertions, 0 deletions

diff --git a/src/World/ChunkIndex.hpp b/src/World/ChunkIndex.hpp
new file mode 100644
index 0000000..330d202
--- /dev/null
+++ b/src/World/ChunkIndex.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <cstdint>
+#include <cstdlib>
+#include <functional>
+
+namespace MC::World {
+
+struct ChunkIndex {
+    ChunkIndex(int64_t x, int64_t y) : x(x), y(x) {}
+
+    bool operator==(ChunkIndex& other) const {
+        return x == other.x && y == other.y;
+    }
+
+    int64_t x, y;
+};
+
+}
+
+template<> struct std::equal_to<MC::World::ChunkIndex> {
+    bool operator()(const MC::World::ChunkIndex& i1, const MC::World::ChunkIndex& i2) const noexcept {
+        return i1.x == i2.x && i1.y == i2.y;
+    }
+};
+
+template<> struct std::hash<MC::World::ChunkIndex> {
+    std::size_t operator()(const MC::World::ChunkIndex& i) const noexcept {
+        std::size_t xh = std::hash<int64_t>{}(i.x);
+        std::size_t yh = std::hash<int64_t>{}(i.y);
+        return xh ^ (yh << 1);
+    }
+};
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