build(nix): add a patch to make viz1090 use the packaged mapdata

Download links in the `getmap` script and cleanup the map data

.gitignore

@@ -25,3 +25,5 @@ mapnames
 
 
 viz1090
+
+result

Makefile

@@ -16,4 +16,11 @@ viz1090: viz1090.o AppData.o AircraftList.o Aircraft.o Label.o AircraftLabel.o a
 	$(CXX) -o viz1090 viz1090.o AppData.o AircraftList.o Aircraft.o Label.o AircraftLabel.o anet.o interactive.o mode_ac.o mode_s.o net_io.o Input.o View.o Map.o parula.o monokai.o $(LIBS) $(LDFLAGS)
 
 clean:
-	rm -f *.o viz1090
+	rm -f \
+		airportdata.bin \
+		airportnames \
+		mapdata/* \
+		mapdata.bin \
+		mapnames \
+		*.o \
+		viz1090

View.cpp

@@ -1088,6 +1088,7 @@ View::View(AppData *appData){
     screen_width            = 0;
     screen_height           = 0;    
     screen_depth            = 32;
+    metric                  = 0;
     fps                     = 0;
     fullscreen              = 0;
     screen_index              = 0;

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1739758141,
+        "narHash": "sha256-uq6A2L7o1/tR6VfmYhZWoVAwb3gTy7j4Jx30MIrH0rE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c618e28f70257593de75a7044438efc1c1fc0791",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,50 @@
+{
+  # TODO desc
+  description = "viz1090";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+      in rec
+      {
+        # Nix formatter, run using `$ nix fmt`
+        formatter = pkgs.alejandra;
+
+        # Exports the package
+        # Build with `$ nix build`
+        packages.viz1090 = pkgs.callPackage ./nix/viz1090.nix {inherit self system;};
+        packages.viz1090-mapdata = pkgs.callPackage ./nix/viz1090-mapdata.nix {};
+        packages.default = packages.viz1090;
+
+        # Creates a shell with the necessary dependencies
+        # Enter using `$ nix develop`
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            rtl-sdr-librtlsdr
+            SDL2
+            SDL2_ttf
+            SDL2_gfx
+            gdal
+            python3
+            python312Packages.pip
+            python312Packages.shapely
+            python312Packages.fiona
+            python312Packages.tqdm
+            unzip
+            python312Packages.requests
+            git
+          ];
+        };
+      });
+}

getmap.sh

@@ -1,12 +1,24 @@
 #!/bin/bash
 
-wget https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_admin_1_states_provinces.zip
+mkdir -p mapdata
-wget https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_populated_places.zip
+pushd mapdata > /dev/null
-wget https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_airports.zip
+
+wget --no-verbose https://naciscdn.org/naturalearth/10m/cultural/ne_10m_admin_1_states_provinces.zip
+wget --no-verbose https://naciscdn.org/naturalearth/10m/cultural/ne_10m_populated_places.zip
+wget --no-verbose https://naciscdn.org/naturalearth/10m/cultural/ne_10m_airports.zip
 
 #this may not be up to date
-wget https://opendata.arcgis.com/datasets/4d8fa46181aa470d809776c57a8ab1f6_0.zip  
+wget --no-verbose https://opendata.arcgis.com/datasets/4d8fa46181aa470d809776c57a8ab1f6_0.zip
 
-unzip '*.zip'
+for file in *.zip; do
+    unzip -o "${file}"
+    rm "${file}"
+done
 
-python3 mapconverter.py --mapfile ne_10m_admin_1_states_provinces.shp --mapnames ne_10m_populated_places.shp --airportfile Runways.shp --airportnames ne_10m_airports.shp 
+popd > /dev/null
+
+python3 mapconverter.py \
+	--mapfile mapdata/ne_10m_admin_1_states_provinces.shp \
+	--mapnames mapdata/ne_10m_populated_places.shp \
+	--airportfile mapdata/Runways.shp \
+	--airportnames mapdata/ne_10m_airports.shp 

mapconverter.py

@@ -38,7 +38,7 @@ def extractLines(shapefile, tolerance):
 		elif(simplified.geom_type == "MultiPolygon" or simplified.geom_type == "Polygon"):
 
 			if(simplified.boundary.geom_type == "MultiLineString"):
-				for boundary in simplified.boundary:
+				for boundary in simplified.boundary.geoms:
 					outlist.extend(convertLinestring(boundary))
 			else:
 				outlist.extend(convertLinestring(simplified.boundary))

nix/viz1090-mapdata.nix

@@ -0,0 +1,69 @@
+{
+  lib,
+  pkgs,
+  stdenv,
+  fetchFromGitea,
+}: let
+  runways = fetchTarball {
+    url = "https://opendata.arcgis.com/datasets/4d8fa46181aa470d809776c57a8ab1f6_0.zip";
+    sha256 = "sha256:1ivwx8glk8yk68nmqz467yzvlb3l66l1s3ibmd9p41wz737lmz88";
+  };
+  provinces = fetchTarball {
+    url = "https://naciscdn.org/naturalearth/10m/cultural/ne_10m_admin_1_states_provinces.zip";
+    sha256 = "sha256:06ai02b8rfsfzpa0gq4nsg29lxvwy4zvjw44099hc78vr7dkfsdp";
+  };
+  places = fetchTarball {
+    url = "https://naciscdn.org/naturalearth/10m/cultural/ne_10m_populated_places.zip";
+    sha256 = "sha256:1dhh569520f02yml1m5zp2znjv85cqbccl4nvpmigynxd37kid3j";
+  };
+  airports = fetchTarball {
+    url = "https://naciscdn.org/naturalearth/10m/cultural/ne_10m_airports.zip";
+    sha256 = "sha256:0893zg63ygr2l2d1wpyigls1syfkryjlygvnbbjikpqk5i5cwr56";
+  };
+in
+  stdenv.mkDerivation rec {
+    pname = "viz1090-mapdata";
+    version = "0.1.0";
+
+    src = fetchFromGitea {
+      domain = "git.vulpecula.zone";
+      owner = "tasiaiso";
+      repo = pname;
+      rev = "d1f53019b22a9e605506bed90fcffcdc5f7e6186";
+      hash = "sha256-gtv0u7o+5fqVgA0CHDWdZr0h9A1Nbky1+okHvSv1cVU=";
+    };
+
+    nativeBuildInputs = with pkgs; [
+      python3
+      python312Packages.pip
+      python312Packages.shapely
+      python312Packages.fiona
+      python312Packages.tqdm
+      python312Packages.requests
+    ];
+
+    buildPhase = ''
+      mkdir -p mapdata
+
+      cp ${runways}/* mapdata
+      cp ${provinces}/* mapdata
+      cp ${places}/* mapdata
+      cp ${airports}/* mapdata
+      # ls -al mapdata
+
+      python3 mapconverter.py \
+        --mapfile mapdata/ne_10m_admin_1_states_provinces.shp \
+        --mapnames mapdata/ne_10m_populated_places.shp \
+        --airportfile mapdata/Runways.shp \
+        --airportnames mapdata/ne_10m_airports.shp
+    '';
+
+    installPhase = ''
+      mkdir -p $out
+
+      cp airportdata.bin $out
+      cp airportnames $out
+      cp mapdata.bin $out
+      cp mapnames $out
+    '';
+  }

nix/viz1090.nix

@@ -0,0 +1,93 @@
+{
+  lib,
+  pkgs,
+  stdenv,
+  fetchFromGitea,
+  self,
+  system,
+}: let
+  viz1090-mapdata = self.packages.${system}.viz1090-mapdata;
+in
+  stdenv.mkDerivation rec {
+    pname = "viz1090";
+    version = "0.1.0";
+
+    src = fetchFromGitea {
+      domain = "git.vulpecula.zone";
+      owner = "tasiaiso";
+      repo = pname;
+      rev = "1922324b40f84fd449cec3fbfdade8aa33597bf6";
+      hash = "sha256-bPVFKbGtPXOitzzHb3yJ6XW3fRh8PF/7kfP7EJkJX3c=";
+    };
+
+    nativeBuildInputs = with pkgs; [
+      rtl-sdr-librtlsdr
+      SDL2
+      SDL2_ttf
+      SDL2_gfx
+      gdal
+      git
+    ];
+
+    buildInputs = [
+      viz1090-mapdata
+    ];
+
+    buildPhase = ''
+      echo "diff --git a/Makefile b/Makefile
+index 5e60779..d5b30ab 100644
+--- a/Makefile
++++ b/Makefile
+@@ -3,7 +3,7 @@
+ # sure that the variable PREFIX is defined, e.g. make PREFIX=/usr/local
+ #
+ 
+-CXXFLAGS=-O2 -std=c++11 -g
++CXXFLAGS=-O2 -std=c++11 -g -I ${pkgs.SDL2.dev}/include/SDL2/
+ LIBS= -lm -lSDL2 -lSDL2_ttf -lSDL2_gfx -g
+ CXX=g++
+ 
+diff --git a/Map.cpp b/Map.cpp
+index cd798ec..c5736bd 100644
+--- a/Map.cpp
++++ b/Map.cpp
+@@ -189,7 +189,7 @@ std::vector<Line*> Map::getLines(float screen_lat_min, float screen_lat_max, flo
+ Map::Map() { 
+   FILE *fileptr;
+ 
+-  if((fileptr = fopen(\"mapdata.bin\", \"rb\"))) {
++  if((fileptr = fopen(\"${viz1090-mapdata}/mapdata.bin\", \"rb\"))) {
+       
+ 
+     fseek(fileptr, 0, SEEK_END);
+@@ -255,7 +255,7 @@ Map::Map() {
+ //
+ 
+ 
+-  if((fileptr = fopen(\"airportdata.bin\", \"rb\"))) {
++  if((fileptr = fopen(\"${viz1090-mapdata}/airportdata.bin\", \"rb\"))) {
+     fseek(fileptr, 0, SEEK_END);
+     airportPoints_count = ftell(fileptr) / sizeof(float);
+     rewind(fileptr);                   
+@@ -350,7 +350,7 @@ Map::Map() {
+ 
+   infile.close();
+ 
+-  infile.open(\"airportnames\");
++  infile.open(\"${viz1090-mapdata}/airportnames\");
+ 
+ 
+   while (std::getline(infile, line))  
+   
+   " | git apply -
+
+      cat Map.cpp | grep mapdata
+
+      make -j $NIX_BUILD_CORES
+    '';
+
+    installPhase = ''
+      mkdir -p $out/bin
+      cp -v viz1090 $out/bin
+    '';
+  }