add (very rough) gizmo, restructure Dart package into library, add EntityListWidget

ios/include/material/FileMaterialProvider.hpp

@@ -1,95 +0,0 @@
-#ifndef FILE_MATERIAL_PROVIDER
-#define FILE_MATERIAL_PROVIDER
-
-#include <filament/gltfio/MaterialProvider.h>
-#include <filament/Texture.h>
-#include <filament/TextureSampler.h>
-#include <math/mat4.h>
-#include <math/vec3.h>
-#include <math/vec4.h>
-#include <math/mat3.h>
-#include <math/norm.h>
-#include "Log.hpp"
-
-namespace flutter_filament {
-
-
-  class FileMaterialProvider : public filament::gltfio::MaterialProvider {
-
-      filament::Material* _m;
-      const filament::Material* _ms[1];
-      filament::Texture* mDummyTexture = nullptr;
-
-      public:
-        FileMaterialProvider(filament::Engine* engine, const void* const  data, const size_t size) {
-          _m = filament::Material::Builder()
-            .package(data, size)
-            .build(*engine);
-          _ms[0] = _m;
-          unsigned char texels[4] = {};
-          mDummyTexture = filament::Texture::Builder()
-            .width(1).height(1)
-            .format(filament::Texture::InternalFormat::RGBA8)
-            .build(*engine);
-          filament::Texture::PixelBufferDescriptor pbd(texels, sizeof(texels), filament::Texture::Format::RGBA,
-            filament::Texture::Type::UBYTE);
-            mDummyTexture->setImage(*engine, 0, std::move(pbd));
-        }
-
-        filament::MaterialInstance* createMaterialInstance(filament::gltfio::MaterialKey* config, filament::gltfio::UvMap* uvmap,
-                const char* label = "material", const char* extras = nullptr) {
-
-            auto getUvIndex = [uvmap](uint8_t srcIndex, bool hasTexture) -> int {
-              return hasTexture ? int(uvmap->at(srcIndex)) - 1 : -1;
-            };
-
-            auto instance = _m->createInstance();
-            filament::math::mat3f identity;
-            instance->setParameter("baseColorUvMatrix", identity);
-            instance->setParameter("normalUvMatrix", identity);
-
-            instance->setParameter("baseColorIndex", getUvIndex(config->baseColorUV, config->hasBaseColorTexture));
-            instance->setParameter("normalIndex", getUvIndex(config->normalUV, config->hasNormalTexture));
-            if(config->hasNormalTexture) {
-              filament::TextureSampler sampler;
-              instance->setParameter("normalMap", mDummyTexture, sampler);
-              instance->setParameter("baseColorMap", mDummyTexture, sampler);
-            } else {
-              Log("No normal texture for specified material.");
-            }
-            
-            return instance;
-        }
-
-        /**
-        * Creates or fetches a compiled Filament material corresponding to the given config.
-        */
-        virtual filament::Material* getMaterial(filament::gltfio::MaterialKey* config, filament::gltfio::UvMap* uvmap, const char* label = "material") { 
-          return _m;
-        }
-
-        /**
-        * Gets a weak reference to the array of cached materials.
-        */
-        const filament::Material* const* getMaterials() const noexcept {
-          return _ms;
-        }
-
-        /**
-        * Gets the number of cached materials.
-        */
-        size_t getMaterialsCount() const noexcept {
-          return (size_t)1;
-        }
-
-        void destroyMaterials() {
-
-        }
-
-        bool needsDummyData(filament::VertexAttribute attrib) const noexcept {
-          return true;
-        }
-  };
-}
-
-#endif

ios/include/material/gizmo.S

@@ -0,0 +1,12 @@
+    .global GIZMO_GIZMO_OFFSET;
+    .global GIZMO_GIZMO_SIZE;
+
+    .global GIZMO_PACKAGE
+    .section .rodata
+GIZMO_PACKAGE:
+    .incbin "gizmo.bin"
+GIZMO_GIZMO_OFFSET:
+    .int 0
+GIZMO_GIZMO_SIZE:
+    .int 36751
+

ios/include/material/gizmo.apple.S

@@ -0,0 +1,12 @@
+    .global _GIZMO_GIZMO_OFFSET;
+    .global _GIZMO_GIZMO_SIZE;
+
+    .global _GIZMO_PACKAGE
+    .section __TEXT,__const
+_GIZMO_PACKAGE:
+    .incbin "gizmo.bin"
+_GIZMO_GIZMO_OFFSET:
+    .int 0
+_GIZMO_GIZMO_SIZE:
+    .int 36751
+

ios/include/material/gizmo.bin

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bbb413c69ac6f77243a02049d2ccf494a1f20ea88fb8ca159b22c5bc0a4fdd95
+size 36751

ios/include/material/gizmo.h

@@ -0,0 +1,13 @@
+#ifndef GIZMO_H_
+#define GIZMO_H_
+
+#include <stdint.h>
+
+extern "C" {
+    extern const uint8_t GIZMO_PACKAGE[];
+    extern int GIZMO_GIZMO_OFFSET;
+    extern int GIZMO_GIZMO_SIZE;
+}
+#define GIZMO_GIZMO_DATA (GIZMO_PACKAGE + GIZMO_GIZMO_OFFSET)
+
+#endif