Allow additional information appended after version string

Related: EasyRPG#87

src/options.h

@@ -93,9 +93,4 @@
 
 //#define USE_FIXED_TIMESTEP_FPS
 
-/** Version of player. Should be redefined by build system. */
-#ifndef PLAYER_VERSION
-#  define PLAYER_VERSION "0.4.0"
-#endif
-
 #endif

src/player.cpp

@@ -44,11 +44,13 @@
 #include "scene_battle.h"
 #include "scene_logo.h"
 #include "utils.h"
+#include "version.h"
 
 #include <algorithm>
 #include <cstring>
 #include <cstdlib>
 #include <iostream>
+#include <iomanip>
 #include <fstream>
 
 #ifdef GEKKO
@@ -115,8 +117,19 @@ void Player::Init(int argc, char *argv[]) {
 
 	if (init) return;
 
-	Output::Debug("EasyRPG Player started");
-	Output::Debug("======================");
+	// Display a nice version string
+	std::stringstream header;
+	std::string addtl_ver(PLAYER_ADDTL);
+	header << "EasyRPG Player " << PLAYER_VERSION;
+	if (!addtl_ver.empty())
+		header << " " << addtl_ver;
+	header << " started";
+	Output::Debug(header.str().c_str());
+
+	uint header_width = header.str().length();
+	header.str("");
+	header << std::setfill('=') << std::setw(header_width) << "=";
+	Output::Debug(header.str().c_str());
 
 #ifdef GEKKO
 	// Init libfat (Mount SD/USB)
@@ -730,7 +743,15 @@ std::string Player::GetEncoding() {
 }
 
 void Player::PrintVersion() {
-	std::cout << "EasyRPG Player " << PLAYER_VERSION << std::endl;
+	std::string additional(PLAYER_ADDTL);
+	std::stringstream version;
+
+	version << PLAYER_VERSION;
+
+	if (!additional.empty())
+		version << " " << additional;
+
+	std::cout << "EasyRPG Player " << version.str() << std::endl;
 }
 
 void Player::PrintUsage() {

src/version.h

@@ -0,0 +1,35 @@
+/*
+ * This file is part of EasyRPG Player.
+ *
+ * EasyRPG Player is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EasyRPG Player is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EasyRPG Player. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _VERSION_H_
+#define _VERSION_H_
+
+// Helper Macros
+#define STRINGIFY(x) #x
+#define TO_STRING(x) STRINGIFY(x)
+
+/**
+ * Version of Player.
+ * FIXME: Make this a proper, generated version header redefined by the build system.
+ */
+#define PLAYER_MAJOR 0
+#define PLAYER_MINOR 4
+#define PLAYER_PATCH 0
+#define PLAYER_ADDTL ""
+#define PLAYER_VERSION TO_STRING(PLAYER_MAJOR) "." TO_STRING(PLAYER_MINOR) "." TO_STRING(PLAYER_PATCH)
+
+#endif /* _VERSION_H_ */