From d1d16ceb2cab505fb09ced115f5fb08bc3093acd Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Sun, 2 Jul 2017 09:23:48 -0400
Subject: c++17 fixes, creating needed files

---
 entityx/Entity.h   |  2 +-
 include/common.hpp |  4 ++--
 include/fileio.hpp |  4 ++++
 main.cpp           |  2 +-
 src/brice.cpp      |  2 ++
 src/common.cpp     | 13 +++++++++++++
 src/config.cpp     |  4 ++++
 src/tinyxml2.cpp   |  3 +++
 8 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/entityx/Entity.h b/entityx/Entity.h
index e7d2e8d..6b9737e 100644
--- a/entityx/Entity.h
+++ b/entityx/Entity.h
@@ -467,7 +467,7 @@ class EntityManager : entityx::help::NonCopyable {
     void each(typename identity<std::function<void(Entity entity, Components&...)>>::type f, bool dead = false) {
       static std::mutex locked;
       locked.lock();
-      for (auto it : *this) {
+      for (Entity it : *this) {
         if (dead || !it.has_component<Killed>())
           f(it, *(it.template component<Components>().get())...);
       }
diff --git a/include/common.hpp b/include/common.hpp
index 9ecd912..a03a888 100644
--- a/include/common.hpp
+++ b/include/common.hpp
@@ -23,11 +23,11 @@ constexpr float PI = 3.1415926535f;
  */
 unsigned int millis(void);
 
-namespace std {
+/*namespace std {
 	template<class T>
 	constexpr const T& clamp(const T& v, const T& lo, const T& hi) {
 		return (v > hi) ? hi : ((v > lo) ? v : lo);
 	}
-}
+}*/
 
 #endif // COMMON_HPP_
diff --git a/include/fileio.hpp b/include/fileio.hpp
index c5e33ec..3ec4854 100644
--- a/include/fileio.hpp
+++ b/include/fileio.hpp
@@ -12,4 +12,8 @@ int getdir(std::string dir, std::list<std::string>& files);
 std::string readFile(const std::string& path);
 std::vector<std::string> readFileA(const std::string& path);
 
+void copyFile(const std::string& to, const std::string& from);
+
+bool fileExists(const std::string& file);
+
 #endif // FILEIO_HPP_
diff --git a/main.cpp b/main.cpp
index 0e836a3..9d79439 100644
--- a/main.cpp
+++ b/main.cpp
@@ -214,7 +214,7 @@ void deleteRemaining(void)
 		
 }
 
-void *operator new(std::size_t n) throw (std::bad_alloc)
+void *operator new(std::size_t n) throw (/*std::bad_alloc*/)
 {
 	balance++;
 
diff --git a/src/brice.cpp b/src/brice.cpp
index 638c02f..8cbd9bb 100644
--- a/src/brice.cpp
+++ b/src/brice.cpp
@@ -61,6 +61,8 @@ namespace game {
 	}
 
 	void briceLoad(void) {
+		if (!fileExists("brice.dat"))
+			briceClear();
 		auto data = readFile("brice.dat");
 
 		if (data.empty()) {
diff --git a/src/common.cpp b/src/common.cpp
index f2e7a2b..b3b8ec4 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -123,3 +123,16 @@ std::vector<std::string> readFileA(const std::string& path)
 	return lines;
 }
 
+void copyFile(const std::string& to, const std::string& from)
+{
+	std::ifstream src (from, std::ios::binary);
+	std::ofstream dst (to, std::ios::binary);
+	dst << src.rdbuf();
+}
+
+bool fileExists(const std::string& file)
+{
+	std::ifstream f (file);
+	return f.good();
+}
+
diff --git a/src/config.cpp b/src/config.cpp
index 0bbb400..f236dc8 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -1,6 +1,7 @@
 #include <config.hpp>
 
 #include <ui.hpp>
+#include <fileio.hpp>
 
 #include <SDL2/SDL_mixer.h>
 
@@ -26,6 +27,9 @@ namespace game {
 		std::string fontFamily;
 
 		void read(void) {
+			if (!fileExists("config/settings.xml"))
+				copyFile("config/settings.xml", "config/settings.xml.example");
+
 			xml.LoadFile("config/settings.xml");
 			auto exml = xml.FirstChildElement("screen");
 
diff --git a/src/tinyxml2.cpp b/src/tinyxml2.cpp
index 096ff5b..d765357 100755
--- a/src/tinyxml2.cpp
+++ b/src/tinyxml2.cpp
@@ -409,14 +409,17 @@ void XMLUtil::ConvertUTF32ToUTF8(unsigned long input, char* output, int* length)
             --output;
             *output = (char)((input | BYTE_MARK) & BYTE_MASK);
             input >>= 6;
+	    [[fallthrough]];
         case 3:
             --output;
             *output = (char)((input | BYTE_MARK) & BYTE_MASK);
             input >>= 6;
+	    [[fallthrough]];
         case 2:
             --output;
             *output = (char)((input | BYTE_MARK) & BYTE_MASK);
             input >>= 6;
+	    [[fallthrough]];
         case 1:
             --output;
             *output = (char)(input | FIRST_BYTE_MARK[*length]);
-- 
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