libretro: add easyrpg core

pkgs/applications/emulators/retroarch/cores.nix

@@ -7,10 +7,14 @@
 , cmake
 , curl
 , fetchFromGitHub
+, fetchpatch
 , ffmpeg
 , ffmpeg_4
 , fluidsynth
+, fmt
+, freetype
 , gettext
+, harfbuzz
 , hexdump
 , hidapi
 , icu
@@ -19,21 +23,28 @@
 , libGL
 , libGLU
 , libjpeg
+, liblcf
 , libpcap
 , libpng
+, libsndfile
 , libvorbis
 , libxml2
+, libxmp
 , libzip
 , makeWrapper
+, mpg123
 , nasm
 , openssl
+, opusfile
 , pcre
+, pixman
 , pkg-config
 , portaudio
 , python3
 , retroarch
 , sfml
 , snappy
+, speexdsp
 , udev
 , which
 , xorg
@@ -400,6 +411,31 @@ in
     };
   };
 
+  easyrpg = mkLibretroCore {
+    core = "easyrpg";
+    extraNativeBuildInputs = [ cmake pkg-config ];
+    extraBuildInputs = [ fmt freetype harfbuzz liblcf libpng libsndfile libvorbis libxmp mpg123 opusfile pcre pixman speexdsp ];
+    patches = [
+      # Fixed compatibility with fmt > 9
+      # Remove when version > 0.8
+      (fetchpatch {
+        name = "0001-Fix-building-with-fmtlib-10.patch";
+        url = "https://github.com/EasyRPG/Player/commit/ab6286f6d01bada649ea52d1f0881dde7db7e0cf.patch";
+        hash = "sha256-GdSdVFEG1OJCdf2ZIzTP+hSrz+ddhTMBvOPjvYQHy54=";
+      })
+    ];
+    cmakeFlags = [
+      "-DBUILD_SHARED_LIBS=ON"
+      "-DPLAYER_TARGET_PLATFORM=libretro"
+      "-DCMAKE_INSTALL_DATADIR=${placeholder "out"}/share"
+    ];
+    makefile = "Makefile";
+    meta = {
+      description = "EasyRPG Player libretro port";
+      license = lib.licenses.gpl3Only;
+    };
+  };
+
   eightyone = mkLibretroCore {
     core = "81";
     repo = "eightyone";

pkgs/applications/emulators/retroarch/hashes.json

@@ -251,6 +251,17 @@
         },
         "version": "unstable-2023-12-29"
     },
+    "easyrpg": {
+        "fetcher": "fetchFromGitHub",
+        "src": {
+            "owner": "EasyRPG",
+            "repo": "Player",
+            "rev": "f8e41f43b619413f95847536412b56f85307d378",
+            "hash": "sha256-nvWM4czTv/GxY9raomBEn7dmKBeLtSA9nvjMJxc3Q8s=",
+            "fetchSubmodules": true
+        },
+        "version": "unstable-2023-04-29"
+    },
     "eightyone": {
         "fetcher": "fetchFromGitHub",
         "src": {

pkgs/applications/emulators/retroarch/update_cores.py

@@ -50,6 +50,7 @@ CORES = {
     "dolphin": {"repo": "dolphin"},
     "dosbox": {"repo": "dosbox-libretro"},
     "dosbox-pure": {"repo": "dosbox-pure", "owner": "schellingb"},
+    "easyrpg": {"repo": "Player", "owner": "EasyRPG", "fetch_submodules": True, "rev": "0.8"},
     "eightyone": {"repo": "81-libretro"},
     "fbalpha2012": {"repo": "fbalpha2012"},
     "fbneo": {"repo": "fbneo"},