1 files changed, 32 insertions, 0 deletions
diff --git a/source/Utils.hpp b/source/Utils.hpp
index 03fdfed..6239667 100644
--- a/source/Utils.hpp
+++ b/source/Utils.hpp
@@ -1,7 +1,10 @@
 #pragma once
 
+#include <robin_hood.h>
 #include <cstdio>
+#include <cstring>
 #include <filesystem>
+#include <glm/glm.hpp>
 
 namespace Utils {
 
@@ -18,4 +21,33 @@ constexpr float Abs(float v) noexcept {
 	return v < 0.0f ? -v : v;
 }
 
+bool InRangeInclusive(int n, int lower, int upper);
+bool LineContains(glm::ivec2 p1, glm::ivec2 p2, glm::ivec2 candidate);
+bool IsColinear(glm::ivec2 p1, glm::ivec2 p2);
+
 } // namespace Utils
+
+struct StringHash {
+	using is_transparent = void;
+
+	std::size_t operator()(const std::string& key) const { return robin_hood::hash_bytes(key.c_str(), key.size()); }
+	std::size_t operator()(std::string_view key) const { return robin_hood::hash_bytes(key.data(), key.size()); }
+	std::size_t operator()(const char* key) const { return robin_hood::hash_bytes(key, std::strlen(key)); }
+};
+
+struct StringEqual {
+	using is_transparent = int;
+
+	bool operator()(std::string_view lhs, const std::string& rhs) const {
+		const std::string_view view = rhs;
+		return lhs == view;
+	}
+
+	bool operator()(const char* lhs, const std::string& rhs) const {
+		return std::strcmp(lhs, rhs.c_str()) == 0;
+	}
+
+	bool operator()(const std::string& lhs, const std::string& rhs) const {
+		return lhs == rhs;
+	}
+};