[nostalgia/player] Split player application logic into separate files

src/nostalgia/player/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_executable(
 	nostalgia
+		app.cpp
 		main.cpp
 )
 

src/nostalgia/player/app.cpp

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2016 - 2021 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <nostalgia/core/core.hpp>
+#include <nostalgia/core/input.hpp>
+
+using namespace nostalgia;
+
+static unsigned spriteX = 72;
+static unsigned spriteY = 64;
+
+static int eventHandler(core::Context *ctx) {
+	if (core::buttonDown(core::GamePad_Right)) {
+		spriteX += 2;
+	} else if (core::buttonDown(core::GamePad_Left)) {
+		spriteX -= 2;
+	}
+	if (core::buttonDown(core::GamePad_Down)) {
+		spriteY += 2;
+	} else if (core::buttonDown(core::GamePad_Up)) {
+		spriteY -= 2;
+	}
+	constexpr auto s = "nostalgia";
+	for (unsigned i = 0; s[i]; ++i) {
+		const auto c = static_cast<unsigned>(s[i] - ('a' - 1));
+		core::setSprite(ctx, i, spriteX + 8 * (i + 1), spriteY, c);
+	}
+	return 16;
+}
+
+ox::Error run(ox::FileSystem *fs) {
+	core::Context ctx;
+	ctx.rom = fs;
+	oxReturnError(core::init(&ctx));
+	constexpr auto TileSheetAddr = "/TileSheets/Charset.ng";
+	constexpr auto PaletteAddr = "/Palettes/Charset.npal";
+	oxReturnError(core::loadSpriteTileSheet(&ctx, 0, TileSheetAddr, PaletteAddr));
+	oxReturnError(core::initConsole(&ctx));
+	core::puts(&ctx, 10, 9, "DOPENESS!!!");
+	core::setEventHandler(eventHandler);
+	oxReturnError(core::run(&ctx));
+	oxReturnError(core::shutdownGfx(&ctx));
+	return OxError(0);
+}
+

src/nostalgia/player/app.hpp

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2016 - 2021 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <ox/fs/fs.hpp>
+
+ox::Error run(ox::FileSystem *fs);

src/nostalgia/player/main.cpp

@@ -6,53 +6,13 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#include <ox/fs/fs.hpp>
 #include <ox/std/trace.hpp>
 #include <nostalgia/core/core.hpp>
-#include <nostalgia/core/input.hpp>
+
+#include "app.hpp"
 
 using namespace nostalgia;
 
-static unsigned spriteX = 72;
-static unsigned spriteY = 64;
-
-static int eventHandler(core::Context *ctx) {
-	if (core::buttonDown(core::GamePad_Right)) {
-		spriteX += 2;
-	} else if (core::buttonDown(core::GamePad_Left)) {
-		spriteX -= 2;
-	}
-	if (core::buttonDown(core::GamePad_Down)) {
-		spriteY += 2;
-	} else if (core::buttonDown(core::GamePad_Up)) {
-		spriteY -= 2;
-	}
-	constexpr auto s = "nostalgia";
-	for (unsigned i = 0; s[i]; ++i) {
-		const auto c = static_cast<unsigned>(s[i] - ('a' - 1));
-		core::setSprite(ctx, i, spriteX + 8 * (i + 1), spriteY, c);
-	}
-	return 16;
-}
-
-static ox::Error run(ox::FileSystem *fs) {
-	core::Context ctx;
-	ctx.rom = fs;
-	oxReturnError(core::init(&ctx));
-	//Zone zone;
-	//oxReturnError(zone.init(&ctx, Bounds{0, 0, 40, 40}, "/TileSheets/Charset.ng", "/Palettes/Charset.npal"));
-	//zone.draw(&ctx);
-	constexpr auto TileSheetAddr = "/TileSheets/Charset.ng";
-	constexpr auto PaletteAddr = "/Palettes/Charset.npal";
-	oxReturnError(core::loadSpriteTileSheet(&ctx, 0, TileSheetAddr, PaletteAddr));
-	oxReturnError(core::initConsole(&ctx));
-	core::puts(&ctx, 10, 9, "DOPENESS!!!");
-	core::setEventHandler(eventHandler);
-	oxReturnError(core::run(&ctx));
-	oxReturnError(core::shutdownGfx(&ctx));
-	return OxError(0);
-}
-
 int main(int argc, const char **argv) {
 	if (argc > 1) {
 		ox::trace::init();