Move to a 100% Nim build system

.github/workflows/build.yml

@@ -14,9 +14,7 @@ jobs:
     - name: Update dependencies
       run: apt-get update
     - name: Install dependencies
-      run: apt-get install -y make libpng16-16 gcc-arm-none-eabi
-    - name: Setup CMake
-      uses: lukka/get-cmake@latest 
+      run: apt-get install -y libpng16-16 gcc-arm-none-eabi
     - uses: actions/checkout@v1
     - name: Download playdate SDK
       run: wget https://download.panic.com/playdate_sdk/Linux/PlaydateSDK-latest.tar.gz
@@ -59,9 +57,7 @@ jobs:
     - name: Update dependencies
       run: apt-get update
     - name: Install dependencies
-      run: apt-get install -y make libpng16-16 gcc-arm-none-eabi xvfb libgtk-3-0 sudo libwebkit2gtk-4.0 libwebkit2gtk-4.0-dev libsdl2-dev pulseaudio
-    - name: Setup CMake
-      uses: lukka/get-cmake@latest 
+      run: apt-get install -y libpng16-16 gcc-arm-none-eabi xvfb libgtk-3-0 sudo libwebkit2gtk-4.0 libwebkit2gtk-4.0-dev libsdl2-dev pulseaudio
 
       # Because we are headless there is no audio driver to interact with by default, which causes a set
       # of warnings to be emitted. This set of commands sets up a dummy audio sink that silences those warnings.

README.md

@@ -31,14 +31,10 @@ This package is an independent bindings library, not affiliated with Panic.
 ### Prerequisites
 
 - Playdate SDK
-- Nim 1.6.10+ (check with `nim -v`)
+- Nim 1.6.10+ (check with `nim -v`, untested with 2.0+)
 - Nimble 0.13.1 (check with `nimble -v`)
 - `PLAYDATE_SDK_PATH` environment variable
-- Make and CMake (3.19+)
-- [SDK Prerequisites](https://sdk.play.date/Inside%20Playdate%20with%20C.html#_prerequisites) based on OS, and:
-    - Linux: a C compiler, `arm-none-eabi-newlib` package (naming varies based on distro).
-    - macOS: a C compiler. Included in Xcode Command Line Tools.
-    - Windows: MinGW. [Getting started](https://code.visualstudio.com/docs/cpp/config-mingw)
+- [SDK Prerequisites](https://sdk.play.date/Inside%20Playdate%20with%20C.html#_prerequisites) based on OS, and [MinGW on Windows](https://code.visualstudio.com/docs/cpp/config-mingw).
 
 ### Installation
 
@@ -118,7 +114,25 @@ nimble simulate
 
 The example project `playdate_example` also contains VSCode launch configurations to build, start and debug your Nim application from the editor.
 
-Each project also contains a simple CMakeLists.txt as a starting point in case you'd want to add libraries or other external code.
+Each project contains a `config.nims` file that can be edited to customize how the project should be built, e.g. adding libraries or other external code.<br>
+Here's an example of a `config.nims` that links a pre-built static library called chipmunk:
+```nim
+include playdate/build/config
+
+# Add a search path for libraries based on OS.
+if defined(device):
+    switch("passL", "-L" & getCurrentDir() / "lib" / "device")
+elif defined(windows):
+    switch("passL", "-L" & getCurrentDir() / "lib" / "windows")
+elif defined(macosx):
+    switch("passL", "-L" & getCurrentDir() / "lib" / "macos")
+elif defined(linux):
+    switch("passL", "-L" & getCurrentDir() / "lib" / "linux")
+else:
+    echo "Platform not supported!"
+# Link the chipmunk library.
+switch("passL", "-lchipmunk")
+```
 
 ---
 This project is perfectly usable but do note that it's still a work in progress, here's what is missing right now:

playdate.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.9.3"
+version       = "0.10.0"
 author        = "Samuele Zolfanelli"
 description   = "Playdate Nim bindings with extra features."
 license       = "MIT"

playdate_example/.gitignore

@@ -1,2 +1,3 @@
-playdate_example.pdx
-Source/pdex.*
+playdate.pdx
+source/pdex.*
+*.dSYM

src/playdate/api.nim

@@ -25,4 +25,29 @@ macro initSDK*() =
 
 when not defined(simulator):
     proc fini() {.cdecl, exportc: "_fini".} =
-        discard
+        discard
+
+when not defined(simulator) and defined(release):
+    proc close(file: cint): cint {.cdecl, exportc: "_close".} =
+        return -1
+
+    proc fstat(file: cint, st: pointer): cint {.cdecl, exportc: "_fstat".} =
+        return -1
+
+    proc getpid(): cint {.cdecl, exportc: "_getpid".} =
+        return 1
+
+    proc isatty(file: cint): cint {.cdecl, exportc: "_isatty".} =
+        return 0
+
+    proc kill(pid, sig: cint): cint {.cdecl, exportc: "_kill".} =
+        return 0
+
+    proc lseek(file, pos, whence: cint): cint {.cdecl, exportc: "_lseek".} =
+        return -1
+
+    proc read(file: cint, pt: ptr cchar, len: cint): cint {.cdecl, exportc: "_read".} =
+        return 0
+
+    proc write(handle: cint, data: ptr cchar, size: cint): cint {.cdecl, exportc: "_write".} =
+        return -1

src/playdate/bindings/system.nim

@@ -45,8 +45,8 @@ sdktype:
         getSecondsSinceEpoch {.importc: "getSecondsSinceEpoch".}: proc (milliseconds: ptr cuint): cuint {.cdecl, raises: [].}
         drawFPS {.importsdk.}: proc (x: cint; y: cint)
         setUpdateCallback {.importc: "setUpdateCallback".}: proc (update: PDCallbackFunctionRaw, userdata: pointer) {.cdecl, raises: [].}
-        getButtonState {.importc: "getButtonState".}: proc (current: ptr uint32;
-            pushed: ptr uint32; released: ptr uint32) {.cdecl, raises: [].}
+        getButtonState {.importc: "getButtonState".}: proc (current: ptr PDButton;
+            pushed: ptr PDButton; released: ptr PDButton) {.cdecl, raises: [].}
         setPeripheralsEnabled* {.importc.}: proc (mask: PDPeripherals) {.cdecl, raises: [].}
         getAccelerometer {.importc: "getAccelerometer".}: proc (outx: ptr cfloat;
             outy: ptr cfloat; outz: ptr cfloat) {.cdecl, raises: [].}