[nostalgia/core] Add NostalgiaCore-Headless

src/nostalgia/core/headless/core.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <nostalgia/core/core.hpp>
+#include <nostalgia/core/input.hpp>
+
+namespace nostalgia::core {
+
+ox::Result<ox::UniquePtr<Context>> init(ox::UniquePtr<ox::FileSystem>, const char*) noexcept {
+	return OxError(1);
+}
+
+void setEventHandler(Context*, event_handler) noexcept {
+}
+
+uint64_t ticksMs(Context*) noexcept {
+	return 0;
+}
+
+bool buttonDown(Context*, Key) noexcept {
+	return false;
+}
+
+}

src/nostalgia/core/headless/gfx.cpp

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <nostalgia/core/context.hpp>
+#include <nostalgia/core/gfx.hpp>
+
+namespace nostalgia::core {
+
+ox::Error initGfx(Context*) noexcept {
+	return OxError(0);
+}
+
+ox::Error shutdownGfx(Context*) noexcept {
+	return OxError(0);
+}
+
+void setWindowTitle(Context*, const char*) noexcept {
+}
+
+void focusWindow(Context*) noexcept {
+}
+
+int getScreenWidth(Context*) noexcept {
+	return 0;
+}
+
+int getScreenHeight(Context*) noexcept {
+	return 0;
+}
+
+geo::Size getScreenSize(Context*) noexcept {
+	return {0, 0};
+}
+
+uint8_t bgStatus(Context*) noexcept {
+	return 0;
+}
+
+void setBgStatus(Context*, uint32_t) noexcept {
+}
+
+bool bgStatus(Context*, unsigned) noexcept {
+	return false;
+}
+
+void setBgStatus(Context*, unsigned, bool) noexcept {
+}
+
+// Do NOT rely on Context in the GBA version of this function.
+ox::Error initConsole(Context*) noexcept {
+	return OxError(0);
+}
+
+ox::Error loadBgTileSheet(Context*,
+                          int,
+                          const ox::FileAddress&,
+                          const ox::FileAddress&) noexcept {
+	return OxError(0);
+}
+
+ox::Error loadSpriteTileSheet(Context*,
+                              int,
+                              const ox::FileAddress&,
+                              const ox::FileAddress&) noexcept {
+	return OxError(0);
+}
+
+ox::Error loadBgPalette(Context*, int, const ox::FileAddress&) noexcept {
+	return OxError(0);
+}
+
+ox::Error loadSpritePalette(Context*, int, const ox::FileAddress&) noexcept {
+	return OxError(0);
+}
+
+// Do NOT use Context in the GBA version of this function.
+void puts(Context*, int, int, const char*) noexcept {
+}
+
+void setTile(Context*, int, int, int, uint8_t) noexcept {
+}
+
+// Do NOT use Context in the GBA version of this function.
+void clearTileLayer(Context*, int) noexcept {
+}
+
+[[maybe_unused]]
+void hideSprite(Context*, unsigned) noexcept {
+}
+
+void setSprite(Context*,
+               unsigned,
+               unsigned,
+               unsigned,
+               unsigned,
+               unsigned,
+               unsigned,
+               unsigned) noexcept {
+}
+
+}

src/nostalgia/core/headless/media.cpp

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <ox/std/std.hpp>
+
+#include "../media.hpp"
+
+namespace nostalgia::core {
+
+ox::Result<char*> loadRom(const char*) noexcept {
+	return OxError(1);
+}
+
+void unloadRom(char*) noexcept {
+}
+
+}