From d59fb39857aba67014c02bd00f6170101a8fab8e Mon Sep 17 00:00:00 2001
From: a dinosaur <dino@a-dinosaur.com>
Date: Thu, 21 Mar 2024 04:38:23 +1100
Subject: [PATCH] cut a versioned release before making potentially breaking
 changes

---
 CMakeLists.txt  |  4 ++--
 README.md       |  1 +
 src/tmx2gba.cpp | 16 +++++++++++++---
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d47d3f0..c682586 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
-cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
-project(tmx2gba)
+cmake_minimum_required(VERSION "3.5" FATAL_ERROR)
+project(tmx2gba VERSION "0.3")
 
 # Options
 option(TMX2GBA_DKP_INSTALL "Install into DEVKITPRO prefix" OFF)
diff --git a/README.md b/README.md
index e7c52ac..983e3e6 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ tmx2gba [-h] [-r offset] [-lyc name] [-p 0-15] <-i inpath> <-o outpath>
 | Command      | Required | Notes                                                                 |
 |--------------|----------|-----------------------------------------------------------------------|
 | -h           | N/A      | Display help & command info.                                          |
+| -v           | No       | Display version & quit.                                               |
 | -l (name)    | No       | Name of layer to use (default first layer in TMX).                    |
 | -y (name)    | No       | Layer for palette mappings.                                           |
 | -c (name)    | No       | Output a separate 8bit collision map of the specified layer.          |
diff --git a/src/tmx2gba.cpp b/src/tmx2gba.cpp
index 0e76d28..130ea6a 100644
--- a/src/tmx2gba.cpp
+++ b/src/tmx2gba.cpp
@@ -15,8 +15,10 @@
 
 const std::string helpUsage = "Usage: tmx2gba [-h] [-f file] [-r offset] [-lyc name] [-p 0-15] [-m name;id] <-i inpath> <-o outpath>";
 const std::string helpShort = "Run 'tmx2gba -h' to view all available options.";
+const std::string versionStr = "tmx2gba version 0.3, (c) 2015-2022 a dinosaur";
 const std::string helpFull = R"(
 -h ------------ Display this help & command info.
+-v ------------ Display version & quit.
 -l <name> ----- Name of layer to use (default first layer in TMX).
 -y <name> ----- Layer for palette mappings.
 -c <name> ----- Output a separate 8bit collision map of the specified layer.
@@ -29,7 +31,7 @@ const std::string helpFull = R"(
 
 struct Arguments
 {
-	bool help = false;
+	bool help = false, showVersion = false;
 	std::string inPath, outPath;
 	std::string layer, collisionlay, paletteLay;
 	std::string flagFile;
@@ -43,13 +45,16 @@ void ParseArgs(int argc, char** argv, Arguments& p)
 {
 	int opt;
 	optreset = 1;
-	while ((opt = getopt(argc, argv, "hr:l:c:p:y:m:i:o:f:")) > 0)
+	while ((opt = getopt(argc, argv, "hvr:l:c:p:y:m:i:o:f:")) > 0)
 	{
 		switch (opt)
 		{
 		case ('h'):
 			p.help = true;
 			return;
+		case ('v'):
+			p.showVersion = true;
+			return;
 
 		case ('l'): p.layer = optarg; break;
 		case ('c'): p.collisionlay = optarg; break;
@@ -146,6 +151,11 @@ int main(int argc, char** argv)
 		std::cout << helpUsage << std::endl << helpFull << std::endl;
 		return 0;
 	}
+	if (p.showVersion)
+	{
+		std::cout << versionStr << std::endl;
+		return 0;
+	}
 
 	if (!p.flagFile.empty())
 	{
@@ -155,7 +165,7 @@ int main(int argc, char** argv)
 			std::cerr << "Failed to open param file." << std::endl;
 			return -1;
 		}
-		
+
 		std::vector<std::string> fileArgTokens;
 		fileArgTokens.push_back("auu~~");
 		bool carry = false;