From e36b1f812e08f1a291f6c8c9c28d73a47e51c300 Mon Sep 17 00:00:00 2001
From: Joey Yakimowich-Payne <jyapayne@gmail.com>
Date: Tue, 19 Jun 2018 20:50:47 +0900
Subject: [PATCH] Add helloworld example

---
 examples/helloworld/helloworld.nim     | 30 ++++++++++++++
 examples/helloworld/helloworld.nim.cfg |  3 ++
 examples/helloworld/helloworld.nims    | 57 ++++++++++++++++++++++++++
 3 files changed, 90 insertions(+)
 create mode 100644 examples/helloworld/helloworld.nim
 create mode 100644 examples/helloworld/helloworld.nim.cfg
 create mode 100644 examples/helloworld/helloworld.nims

diff --git a/examples/helloworld/helloworld.nim b/examples/helloworld/helloworld.nim
new file mode 100644
index 0000000..0ddc66a
--- /dev/null
+++ b/examples/helloworld/helloworld.nim
@@ -0,0 +1,30 @@
+import libnx/gfx
+import libnx/console
+import libnx/hid
+import libnx/applet
+
+proc printf(formatstr: cstring) {.importc: "printf", varargs,
+                                  header: "<stdio.h>".}
+
+proc main() =
+  gfxInitDefault()
+
+  discard consoleInit(nil)
+
+  printf("\x1b[16;20HHello World From NIM!")
+  echo "\x1b[17;20HHELLO FROM NIM"
+  while appletMainLoop():
+    hidScanInput()
+
+    let keysDown = hidKeysDown(CONTROLLER_P1_AUTO)
+
+    if (keysDown and KEY_PLUS.uint64) > 0.uint64:
+      break
+
+    gfxFlushBuffers()
+    gfxSwapBuffers()
+    gfxWaitForVsync()
+
+  gfxExit()
+
+main()
diff --git a/examples/helloworld/helloworld.nim.cfg b/examples/helloworld/helloworld.nim.cfg
new file mode 100644
index 0000000..ac4ccf2
--- /dev/null
+++ b/examples/helloworld/helloworld.nim.cfg
@@ -0,0 +1,3 @@
+--path="../../src"
+--path="../../ext"
+--os="nintendoswitch"
diff --git a/examples/helloworld/helloworld.nims b/examples/helloworld/helloworld.nims
new file mode 100644
index 0000000..7dba2c2
--- /dev/null
+++ b/examples/helloworld/helloworld.nims
@@ -0,0 +1,57 @@
+let buildDir = "build"
+let dkpPath = getEnv("DEVKITPRO")
+let toolsPath = dkpPath & "/tools/bin"
+let dkpCompilerPath = dkpPath & "/devkitA64/bin"
+
+switch("path", toolsPath)
+switch("path", dkpCompilerPath)
+
+task build, "Build hello world":
+
+  let author = "Unspecified Author"
+  let version = "1.0.0"
+
+  if existsDir buildDir:
+    rmDir buildDir
+
+  echo "Building..."
+
+  mkDir buildDir
+
+
+  exec "nim c --os:nintendoswitch helloworld.nim"
+
+  echo "Making nso..."
+  exec "elf2nso helloworld.elf " & buildDir & "/helloworld.nso"
+  
+  echo "Making pfs0..."
+  mkdir buildDir & "/exefs"
+  exec "cp " & buildDir & "/helloworld.nso " & buildDir & "/exefs/main"
+  exec "build_pfs0 " & buildDir & "/exefs " & buildDir & "/helloworld.pfs0"
+  
+  echo "Making lst..."
+  exec "aarch64-none-elf-gcc-nm helloworld.elf > " & buildDir & "/helloworld.lst"
+
+  echo "Making nacp..."
+  # Some meta data for the homebrew launcher
+  exec "nacptool --create helloworld '" & author & "' '" & version & "' " & buildDir & "/helloworld.nacp"
+
+  echo "Making nro..."
+  # This is the important one. The above are just extras.
+  exec "elf2nro helloworld.elf helloworld.nro --icon=" & dkpPath & "/libnx/default_icon.jpg --nacp=" & buildDir & "/helloworld.nacp"
+
+  echo "Done! helloworld.nro is now in the current directory."
+  echo "Other build files are in the build folder."
+
+task clean, "Cleanup files":
+  if existsDir buildDir:
+    rmDir buildDir
+
+  if existsDir "nimcache":
+    rmDir "nimcache"
+
+  if existsFile "helloworld.elf":
+    rmFile "helloworld.elf"
+
+  if existsFile "helloworld.nro":
+    rmFile "helloworld.nro"