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feature!:

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This is a breaking change needed to fully implement instancing and stencil highlighting.

Previously, users would work directly with entities (on the Dart side, ThermionEntity), e.g.

final entity = await viewer.loadGlb("some.glb");

However, Filament "entities" are a lower-level abstraction.

Loading a glTF file, for example, inserts multiple entities into the scene.

For example, each mesh, light, and camera within a glTF asset will be assigned an entity. A top-level (non-renderable) entity will also be created for the glTF asset, which can be used to transform the entire hierarchy.

"Asset" is a better representation for loading/inserting objects into the scene; think of this as a bundle of entities.

Unless you need to work directly with transforms, instancing, materials and renderables, you can work directly with ThermionAsset.
This commit is contained in:
Nick Fisher
2024-11-21 15:04:10 +08:00
parent 9ada6aae64
commit ed444b0615
195 changed files with 18061 additions and 12628 deletions
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57
thermion_dart/native/src/c_api/TMaterialProvider.cpp Normal file
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#include <filament/MaterialInstance.h>
#include <gltfio/MaterialProvider.h>
#include <math/mat4.h>
#include <math/vec4.h>
#include <math/vec2.h>
#include "Log.hpp"
#include "c_api/TMaterialProvider.h"
#include "c_api/TMaterialInstance.h"
#ifdef __cplusplus
namespace thermion
{
using namespace filament;
extern "C"
{
#endif
EMSCRIPTEN_KEEPALIVE TMaterialInstance *MaterialProvider_createMaterialInstance(TMaterialProvider *tMaterialProvider, TMaterialKey *materialConfig)
{
gltfio::MaterialKey config;
gltfio::UvMap uvMap;
memset(&config, 0, sizeof(gltfio::MaterialKey));
// Set and log each field
config.unlit = materialConfig->unlit;
config.doubleSided = materialConfig->doubleSided;
config.useSpecularGlossiness = materialConfig->useSpecularGlossiness;
config.alphaMode = static_cast<filament::gltfio::AlphaMode>(materialConfig->alphaMode);
config.hasBaseColorTexture = materialConfig->hasBaseColorTexture;
config.hasClearCoat = materialConfig->hasClearCoat;
config.hasClearCoatNormalTexture = materialConfig->hasClearCoatNormalTexture;
config.hasClearCoatRoughnessTexture = materialConfig->hasClearCoatRoughnessTexture;
config.hasEmissiveTexture = materialConfig->hasEmissiveTexture;
config.hasIOR = materialConfig->hasIOR;
config.hasMetallicRoughnessTexture = materialConfig->hasMetallicRoughnessTexture;
config.hasNormalTexture = materialConfig->hasNormalTexture;
config.hasOcclusionTexture = materialConfig->hasOcclusionTexture;
config.hasSheen = materialConfig->hasSheen;
config.hasSheenColorTexture = materialConfig->hasSheenColorTexture;
config.hasSheenRoughnessTexture = materialConfig->hasSheenRoughnessTexture;
config.hasTextureTransforms = materialConfig->hasTextureTransforms;
config.hasTransmission = materialConfig->hasTransmission;
config.hasTransmissionTexture = materialConfig->hasTransmissionTexture;
config.hasVolume = materialConfig->hasVolume;
config.hasVolumeThicknessTexture = materialConfig->hasVolumeThicknessTexture;
config.baseColorUV = materialConfig->baseColorUV;
config.hasVertexColors = materialConfig->hasVertexColors;
auto *materialProvider = reinterpret_cast<gltfio::MaterialProvider *>(tMaterialProvider);
auto materialInstance = materialProvider->createMaterialInstance(&config, &uvMap);
return reinterpret_cast<TMaterialInstance *>(materialInstance);
}
#ifdef __cplusplus
}
}
#endif