From 9d875224a793112a75f6294970042c424aba443b Mon Sep 17 00:00:00 2001
From: Michael Raitza <spacefrogg-git@meterriblecrew.net>
Date: Wed, 21 Dec 2022 21:19:43 +0100
Subject: [PATCH] xplane-12: Add X-World Asia Scenery

---
 default.nix                        |  3 +-
 x-plane/simHeaven/x-world-asia.nix | 93 ++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 x-plane/simHeaven/x-world-asia.nix

diff --git a/default.nix b/default.nix
index e9d44a6..19f832b 100644
--- a/default.nix
+++ b/default.nix
@@ -9,7 +9,7 @@ let
     xPlaneEnv = callPackage ./x-plane { xplanePathStr = "/home/games/xplane";
       addons = [ headshake beautifulRoads samBasic samGlobalTrees flyWithLua vividSky airportEnvHD betterLights extendedNightLights toLissA321 ]; };
     xPlane12Env = callPackage ./x-plane { xplanePathStr = "/home/games/xplane12"; name = "x-plane12-env";
-      addons = [ x-world-vegetation x-world-europe ]; };
+      addons = [ x-world-vegetation x-world-europe x-world-asia ]; };
     xPlaneSDK = callPackage ./x-plane/sdk.nix {};
     ortho4xp = callPackage ./x-plane/ortho4XPWrapper.nix { orthoPathStr = "/home/games/ortho4xp"; };
 
@@ -30,6 +30,7 @@ let
     # X-Plane 12
     x-world-vegetation = callPackage ./x-plane/simHeaven/x-world-vegetation.nix {};
     x-world-europe = callPackage ./x-plane/simHeaven/x-world-europe.nix {};
+    x-world-asia = callPackage ./x-plane/simHeaven/x-world-asia.nix {};
 
     pdfchain = callPackage ./pdfchain { };
     prism = callPackage ./prism.nix {};
diff --git a/x-plane/simHeaven/x-world-asia.nix b/x-plane/simHeaven/x-world-asia.nix
new file mode 100644
index 0000000..74842d7
--- /dev/null
+++ b/x-plane/simHeaven/x-world-asia.nix
@@ -0,0 +1,93 @@
+{ stdenv
+, lib
+, mkXPlaneAddon
+, impureSrcPath ? "/home/games/xplane-scenery/simHeaven_X-World_Asia"
+# Disable to improve frame rate
+, enableDetails ? true
+# dito
+, enableExtras ? true
+# Replace scenery objects with null-objects that are covered by ortho scenery
+, useOrtho ? true
+# Replace default tiles for regions with poor OSM data quality (e.g. remote forests not showing)
+# example: [ "+38+001" "+71-009" ]
+, replaceTiles ? [ ]
+}:
+let
+  inherit (lib) concatStringsSep optional;
+  dirName = "simHeaven_X-World_Asia";
+  linkDirs = concatStringsSep " " ([
+    "${dirName}-0-exclusions"
+    "${dirName}-1-vfr"
+    "${dirName}-5-footprints"
+    "${dirName}-6-scenery"
+    "${dirName}-7-forests"
+    "${dirName}-8-network" ]
+  ++ optional enableDetails "${dirName}-3-details"
+  ++ optional enableExtras "${dirName}-4-extras");
+
+  tiles = concatStringsSep " " replaceTiles;
+in mkXPlaneAddon {
+  pname = "x-world-asia";
+  version = "1.1";
+  src = "";
+  buildCommand = ''
+    mkdir -p "$out"
+    touch "$out/installed"
+  '';
+
+  passthru = {
+    build = "";
+    prepare = ''
+      test -d "${impureSrcPath}"
+      for f in ${linkDirs} ; do
+        mkdir "$XPLANEPATH/Custom Scenery/$f"
+        for j in "${impureSrcPath}/$f"/* ; do
+           ln -s "$j" "$XPLANEPATH/Custom Scenery/$f/$(basename "$j")"
+        done
+      done
+      if [ "${toString useOrtho}" = 1 ]; then
+        f="$XPLANEPATH/Custom Scenery/${dirName}-6-scenery/library.txt"
+        rm "$f"
+        ln -s "${impureSrcPath}/${dirName}-6-scenery/library - orthos.txt" "$f"
+      fi
+      # In case we want to replace some tiles, link every tile indivdually
+      if [ -n "${tiles}" ]; then
+        rm "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data"
+        for f in "${impureSrcPath}/${dirName}-7-forests/Earth nav data"/* ; do
+          mkdir -p "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$(basename "$f")"
+          for k in "$f"/* ; do
+            ln -s "$k" "$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$(basename "$f")"
+          done
+        done
+        for f in ${tiles} ; do
+          # bash-ism, transform +HH+LLL -> +H0+LL0
+          d=''${f:0:2}0''${f:3:3}0
+          s="${impureSrcPath}/${dirName}-7-forests/Earth nav data - osm+autogen/$d/$f.dsf"
+          t="$XPLANEPATH/Custom Scenery/${dirName}-7-forests/Earth nav data/$d/$f.dsf"
+          if [ -e "$s" ]; then
+            rm "$t"
+            ln -s "$s" "$t"
+          else
+            printf "Warning: Replacement tile not found %s\n" "$f" >&2
+          fi
+        done
+      fi
+      # Update scenery_packs.ini
+      (
+        cd "$XPLANEPATH"
+        k=
+        sed -i -e '/^SCENERY_PACK Custom Scenery\/${dirName}-.*$/d' 'Custom Scenery/scenery_packs.ini'
+        sed -i -e "/^SCENERY_PACK Custom Scenery\/simHeaven_X-World_Vegetation_Library/i\
+        $(for f in ${linkDirs} ; do
+            printf "''${k}SCENERY_PACK Custom Scenery/%s/" "$f"
+            k='\\n'
+          done)" 'Custom Scenery/scenery_packs.ini'
+      )
+    '';
+    revert = ''
+      for f in ${linkDirs} ; do
+        rm -r "$XPLANEPATH/Custom Scenery/$f"
+      done
+    '';
+  };
+}