From e8e144a22a313a4618c6384d13ef55d8c8cfba3c Mon Sep 17 00:00:00 2001
From: ZerataX <mail@zera.tax>
Date: Thu, 26 Nov 2020 23:08:51 +0100
Subject: [PATCH] srb2: init at 2.2.8

---
 pkgs/games/srb2/default.nix       | 93 +++++++++++++++++++++++++++++++
 pkgs/games/srb2/wadlocation.patch | 72 ++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix   |  2 +
 3 files changed, 167 insertions(+)
 create mode 100644 pkgs/games/srb2/default.nix
 create mode 100644 pkgs/games/srb2/wadlocation.patch

diff --git a/pkgs/games/srb2/default.nix b/pkgs/games/srb2/default.nix
new file mode 100644
index 000000000000..76800ba2ece8
--- /dev/null
+++ b/pkgs/games/srb2/default.nix
@@ -0,0 +1,93 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchFromGitHub
+, substituteAll
+, cmake
+, curl
+, nasm
+, openmpt123
+, p7zip
+, libgme
+, libpng
+, SDL2
+, SDL2_mixer
+, zlib
+}:
+
+let
+
+assets_version = "2.2.5";
+
+assets = fetchurl {
+  url = "https://github.com/mazmazz/SRB2/releases/download/SRB2_assets_220/srb2-${assets_version}-assets.7z";
+  sha256 = "1m9xf3vraq9nipsi09cyvvfa4i37gzfxg970rnqfswd86z9v6v00";
+};
+
+assets_optional = fetchurl {
+  url = "https://github.com/mazmazz/SRB2/releases/download/SRB2_assets_220/srb2-${assets_version}-optional-assets.7z";
+  sha256 = "1j29jrd0r1k2bb11wyyl6yv9b90s2i6jhrslnh77qkrhrwnwcdz4";
+};
+
+in stdenv.mkDerivation rec {
+  pname = "srb2";
+  version = "2.2.8";
+
+  src = fetchFromGitHub {
+    owner = "STJr";
+    repo = "SRB2";
+    rev = "SRB2_release_${version}";
+    sha256 = "10prk617pbxkpiyybwwjzv425pkjczfqdb8pxwfyq91aa2rg0kl8";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    nasm
+    p7zip
+  ];
+
+  buildInputs = [
+    curl
+    libgme
+    libpng
+    openmpt123
+    SDL2
+    SDL2_mixer
+    zlib
+  ];
+
+  cmakeFlags = [
+    "-DSRB2_ASSET_DIRECTORY=/build/source/assets"
+    "-DGME_INCLUDE_DIR=${libgme}/include"
+    "-DOPENMPT_INCLUDE_DIR=${openmpt123}/include"
+    "-DSDL2_MIXER_INCLUDE_DIR=${SDL2_mixer}/include/SDL2"
+    "-DSDL2_INCLUDE_DIR=${SDL2.dev}/include/SDL2"
+  ];
+
+  patches = [
+    ./wadlocation.patch
+  ];
+
+  postPatch = ''
+    substituteInPlace src/sdl/i_system.c \
+        --replace '@wadlocation@' $out
+  '';
+
+  preConfigure = ''
+    7z x ${assets} -o"/build/source/assets" -aos
+    7z x ${assets_optional} -o"/build/source/assets" -aos
+  '';
+
+  postInstall = ''
+    mkdir $out/bin
+    mv $out/lsdlsrb2-${version} $out/bin/srb2
+  '';
+
+  meta = with lib; {
+    description = "Sonic Robo Blast 2 is a 3D Sonic the Hedgehog fangame based on a modified version of Doom Legacy";
+    homepage = "https://www.srb2.org/";
+    platforms = platforms.linux;
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ zeratax ];
+  };
+}
diff --git a/pkgs/games/srb2/wadlocation.patch b/pkgs/games/srb2/wadlocation.patch
new file mode 100644
index 000000000000..ee3e1111e6f0
--- /dev/null
+++ b/pkgs/games/srb2/wadlocation.patch
@@ -0,0 +1,72 @@
+diff --git a/src/sdl/i_system.c b/src/sdl/i_system.c
+index 10c0747bf..861f00728 100644
+--- a/src/sdl/i_system.c
++++ b/src/sdl/i_system.c
+@@ -145,13 +145,7 @@ int TimeFunction(int requested_frequency);
+ 
+ // Locations for searching the srb2.pk3
+ #if defined (__unix__) || defined(__APPLE__) || defined (UNIXCOMMON)
+-#define DEFAULTWADLOCATION1 "/usr/local/share/games/SRB2"
+-#define DEFAULTWADLOCATION2 "/usr/local/games/SRB2"
+-#define DEFAULTWADLOCATION3 "/usr/share/games/SRB2"
+-#define DEFAULTWADLOCATION4 "/usr/games/SRB2"
+-#define DEFAULTSEARCHPATH1 "/usr/local/games"
+-#define DEFAULTSEARCHPATH2 "/usr/games"
+-#define DEFAULTSEARCHPATH3 "/usr/local"
++#define DEFAULTWADLOCATION1 "@wadlocation@"
+ #elif defined (_WIN32)
+ #define DEFAULTWADLOCATION1 "c:\\games\\srb2"
+ #define DEFAULTWADLOCATION2 "\\games\\srb2"
+@@ -2812,34 +2806,6 @@ static const char *locateWad(void)
+ 	if (((envstr = I_GetEnv("SRB2WADDIR")) != NULL) && isWadPathOk(envstr))
+ 		return envstr;
+ 
+-#ifndef NOCWD
+-	I_OutputMsg(",.");
+-	// examine current dir
+-	strcpy(returnWadPath, ".");
+-	if (isWadPathOk(returnWadPath))
+-		return NULL;
+-#endif
+-
+-
+-#ifdef CMAKECONFIG
+-#ifndef NDEBUG
+-	I_OutputMsg(","CMAKE_ASSETS_DIR);
+-	strcpy(returnWadPath, CMAKE_ASSETS_DIR);
+-	if (isWadPathOk(returnWadPath))
+-	{
+-		return returnWadPath;
+-	}
+-#endif
+-#endif
+-
+-#ifdef __APPLE__
+-	OSX_GetResourcesPath(returnWadPath);
+-	I_OutputMsg(",%s", returnWadPath);
+-	if (isWadPathOk(returnWadPath))
+-	{
+-		return returnWadPath;
+-	}
+-#endif
+ 
+ 	// examine default dirs
+ #ifdef DEFAULTWADLOCATION1
+@@ -2884,16 +2850,7 @@ static const char *locateWad(void)
+ 	if (isWadPathOk(returnWadPath))
+ 		return returnWadPath;
+ #endif
+-#ifndef NOHOME
+-	// find in $HOME
+-	I_OutputMsg(",HOME");
+-	if ((envstr = I_GetEnv("HOME")) != NULL)
+-	{
+-		WadPath = searchWad(envstr);
+-		if (WadPath)
+-			return WadPath;
+-	}
+-#endif
++
+ #ifdef DEFAULTSEARCHPATH1
+ 	// find in /usr/local
+ 	I_OutputMsg(", in:"DEFAULTSEARCHPATH1);
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9c906177bb2e..855dcedbe91b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -32158,6 +32158,8 @@ with pkgs;
 
   springLobby = callPackage ../games/spring/springlobby.nix { };
 
+  srb2 = callPackage ../games/srb2 { };
+
   ssl-cert-check = callPackage ../tools/admin/ssl-cert-check { };
 
   stardust = callPackage ../games/stardust { };