Add Nintendo Switch support

.gitignore

@@ -1,5 +1,6 @@
 *.d
 *.o
+build
 hode
 hode.ini
 setup.cfg

CMakeLists.txt

@@ -0,0 +1,68 @@
+project(hode)
+
+cmake_minimum_required(VERSION 3.0)
+
+include(FindPkgConfig)
+
+set(CMAKE_CXX_FLAGS "-g -Wall -pedantic -MMD ${CMAKE_CXX_FLAGS}")
+
+pkg_check_modules(SDL2 sdl2 REQUIRED)
+
+include_directories(
+  ${SDL2_INCLUDE_DIRS}
+)
+
+add_executable(${CMAKE_PROJECT_NAME}
+  andy.cpp
+  benchmark.cpp
+  fileio.cpp
+  fs_posix.cpp
+  game.cpp
+  level1_rock.cpp
+  level2_fort.cpp
+  level3_pwr1.cpp
+  level4_isld.cpp
+  level5_lava.cpp
+  level6_pwr2.cpp
+  level7_lar1.cpp
+  level8_lar2.cpp
+  level9_dark.cpp
+  lzw.cpp
+  main.cpp
+  menu.cpp
+  mixer.cpp
+  monsters.cpp
+  paf.cpp
+  random.cpp
+  resource.cpp
+  screenshot.cpp
+  sound.cpp
+  staticres.cpp
+  system_sdl2.cpp
+  util.cpp
+  video.cpp
+  scaler_nearest.cpp
+  scaler_xbr.cpp
+  3p/inih/ini.c
+  3p/libxbr-standalone/xbr.c
+)
+
+target_link_libraries(${CMAKE_PROJECT_NAME}
+  ${SDL2_LIBRARIES}
+)
+
+if(SWITCH_LIBNX)
+  set(CMAKE_C_FLAGS "-O2 -ffunction-sections -fdata-sections -march=armv8-a -mtune=cortex-a57 -mtp=soft -fPIE -ftls-model=local-exec")
+  set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS}")
+  include_directories($ENV{DEVKITPRO}/libnx/include)
+  add_definitions(-D__SWITCH__)
+  add_custom_target(${CMAKE_PROJECT_NAME}.nro
+    DEPENDS ${CMAKE_PROJECT_NAME}
+    COMMAND nacptool --create "Heart of Darkness" "cyx, usineur" "0.2.0" ${CMAKE_PROJECT_NAME}.nacp
+    COMMAND elf2nro ${CMAKE_PROJECT_NAME} ${CMAKE_PROJECT_NAME}.nro --icon=${CMAKE_SOURCE_DIR}/res/icon.jpg --nacp=${CMAKE_PROJECT_NAME}.nacp
+  )
+  add_custom_target(nxlink
+    COMMAND nxlink -a $(SWITCHIP) ${CMAKE_PROJECT_NAME}.nro -s -p ${CMAKE_PROJECT_NAME}/${CMAKE_PROJECT_NAME}.nro
+    DEPENDS ${CMAKE_PROJECT_NAME}.nro
+  )
+endif(SWITCH_LIBNX)

game.cpp

@@ -2705,7 +2705,7 @@ void Game::levelMainLoop() {
 	}
 	_rnd.update();
 	_system->processEvents();
-	if (_system->inp.keyPressed(SYS_INP_ESC)) { // display exit confirmation screen
+	if (_system->inp.keyPressed(SYS_INP_ESC) || _system->inp.escape) { // display exit confirmation screen
 		if (displayHintScreen(-1, 0)) {
 			_system->inp.quit = true;
 			return;

intern.h

@@ -12,7 +12,7 @@
 #include <stdlib.h>
 #include <assert.h>
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__SWITCH__)
 #define le16toh(x) x
 #define le32toh(x) x
 #define htole16(x) x

main.cpp

@@ -18,6 +18,10 @@
 #include "system.h"
 #include "video.h"
 
+#ifdef __SWITCH__
+#include <switch.h>
+#endif
+
 static const char *_title = "Heart of Darkness";
 
 static const char *_configIni = "hode.ini";
@@ -120,6 +124,10 @@ static int handleConfigIni(void *userdata, const char *section, const char *name
 }
 
 int main(int argc, char *argv[]) {
+#ifdef __SWITCH__
+	socketInitializeDefault();
+	nxlinkStdio();
+#endif
 	char *dataPath = 0;
 	int level = 0;
 	int checkpoint = 0;
@@ -213,5 +221,8 @@ int main(int argc, char *argv[]) {
 	g->_mix.fini();
 	delete g;
 	free(dataPath);
+#ifdef __SWITCH__
+	socketExit();
+#endif
 	return 0;
 }

paf.cpp

@@ -484,7 +484,7 @@ void PafPlayer::mainLoop() {
 		_system->copyRect(0, 0, kVideoWidth, kVideoHeight, _pageBuffers[_currentPageBuffer], 256);
 		_system->updateScreen(false);
 		_system->processEvents();
-		if (_system->inp.quit || _system->inp.keyPressed(SYS_INP_ESC)) {
+		if (_system->inp.quit || _system->inp.keyPressed(SYS_INP_ESC) || _system->inp.escape) {
 			break;
 		}
 

system.h

@@ -19,6 +19,7 @@
 
 struct PlayerInput {
 	uint8_t prevMask, mask;
+	bool escape;
 	bool quit;
 	bool screenshot;
 

system_sdl2.cpp

@@ -568,7 +568,7 @@ void System_SDL2::processEvents() {
 					break;
 				case SDL_CONTROLLER_BUTTON_BACK:
 				case SDL_CONTROLLER_BUTTON_START:
-					inp.quit = pressed;
+					inp.escape = pressed;
 					break;
 				case SDL_CONTROLLER_BUTTON_DPAD_UP:
 					if (pressed) {