factor out resource loading into header

example/pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.2"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,28 +21,21 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.1"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -56,7 +49,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -87,28 +80,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.12"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
-  mimetic_filament:
-    dependency: "direct main"
-    description:
-      path: ".."
-      relative: true
-    source: path
-    version: "0.0.1"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.2"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -116,6 +109,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  polyvox_filament:
+    dependency: "direct main"
+    description:
+      path: ".."
+      relative: true
+    source: path
+    version: "0.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -127,7 +127,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -148,35 +148,28 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.4.12"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.1 <3.0.0"
   flutter: ">=1.20.0"

example/windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <polyvox_filament/polyvox_filament_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  PolyvoxFilamentPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PolyvoxFilamentPlugin"));
 }

example/windows/flutter/generated_plugins.cmake

@@ -3,6 +3,10 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  polyvox_filament
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)
@@ -13,3 +17,8 @@ foreach(plugin ${FLUTTER_PLUGIN_LIST})
   list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
   list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
 endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

linux/include/polyvox_filament/resource_loader.hpp

@@ -0,0 +1,63 @@
+#ifndef POLYVOX_FILAMENT_LINUX_RESOURCE_LOADER_H
+#define POLYVOX_FILAMENT_LINUX_RESOURCE_LOADER_H
+
+#include <math.h>
+#include <iostream>
+#include <fstream>
+#include <cstring>
+#include <vector>
+#include <string> 
+#include <map>
+#include <unistd.h>
+
+#include "ResourceBuffer.hpp"
+
+using namespace std;
+
+static map<uint32_t, void*> _file_assets;
+static uint32_t _i = 0;
+
+ResourceBuffer loadResource(const char* name) {
+
+    char cwd[PATH_MAX];
+    if (getcwd(cwd, sizeof(cwd)) != NULL) {
+       std::cout << "Current working dir: " << cwd  << std::endl;
+    }
+
+    string name_str(name);
+    auto id = _i++;
+    
+    if (name_str.rfind("file://", 0) == 0) {
+      name_str = name_str.substr(7);
+    }
+
+    name_str = string(cwd) + string("/") + name_str;
+
+    std::cout << "Loading resource at " << name_str.c_str() << std::endl;
+
+    streampos length;
+    ifstream is(name_str, ios::binary);
+    if(!is) {
+      std::cout << "Failed to find resource at file path " << name_str.c_str() << std::endl;
+      return ResourceBuffer(nullptr, 0, -1);
+    }
+    is.seekg (0, ios::end);
+    length = is.tellg();
+    char * buffer;
+    buffer = new char [length];
+    is.seekg (0, ios::beg);
+    is.read (buffer, length);
+    is.close();      
+    _file_assets[id] = buffer;
+    return ResourceBuffer(buffer, length, id);
+}
+
+void freeResource(uint32_t id) {
+  std::cout << "Freeing resource " << id << std::endl;
+  auto it = _file_assets.find(id);
+  if (it != _file_assets.end()) {
+    free(it->second);
+  }
+}
+
+#endif

linux/polyvox_filament_plugin.cc

@@ -5,7 +5,6 @@
 #include <flutter_linux/fl_texture_gl.h>
 #include <gtk/gtk.h>
 
-
 #include <sys/utsname.h>
 
 #include <math.h>
@@ -18,6 +17,7 @@
 
 #include "include/polyvox_filament/filament_texture.h"
 #include "include/polyvox_filament/filament_pb_texture.h"
+#include "include/polyvox_filament/resource_loader.hpp"
 
 #include "FilamentViewer.hpp"
 extern "C" {
@@ -44,52 +44,6 @@ struct _PolyvoxFilamentPlugin {
 
 G_DEFINE_TYPE(PolyvoxFilamentPlugin, polyvox_filament_plugin, g_object_get_type())
 
-static map<uint32_t, void*> _file_assets;
-static uint32_t _i = 0;
-
-static ResourceBuffer loadResource(const char* name) {
-
-    char cwd[PATH_MAX];
-    if (getcwd(cwd, sizeof(cwd)) != NULL) {
-       std::cout << "Current working dir: " << cwd  << std::endl;
-    }
-
-    string name_str(name);
-    auto id = _i++;
-    
-    if (name_str.rfind("file://", 0) == 0) {
-      name_str = name_str.substr(7);
-    }
-
-    name_str = string(cwd) + string("/") + name_str;
-
-    std::cout << "Loading resource at " << name_str.c_str() << std::endl;
-
-    streampos length;
-    ifstream is(name_str, ios::binary);
-    if(!is) {
-      std::cout << "Failed to find resource at file path " << name_str.c_str() << std::endl;
-      return ResourceBuffer(nullptr, 0, -1);
-    }
-    is.seekg (0, ios::end);
-    length = is.tellg();
-    char * buffer;
-    buffer = new char [length];
-    is.seekg (0, ios::beg);
-    is.read (buffer, length);
-    is.close();      
-    _file_assets[id] = buffer;
-    return ResourceBuffer(buffer, length, id);
-}
-
-static void freeResource(uint32_t id) {
-  std::cout << "Freeing resource " << id << std::endl;
-  auto it = _file_assets.find(id);
-  if (it != _file_assets.end()) {
-    free(it->second);
-  }
-}
-
 // Called when a method call is received from Flutter.
 static void polyvox_filament_plugin_handle_method_call(
     PolyvoxFilamentPlugin* self,