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add standalone SceneAsset_createGeometry method

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This commit is contained in:
Nick Fisher
2025-03-17 16:53:35 +08:00
parent 342a53ae7b
commit 4e5a9be97a
2 changed files with 63 additions and 0 deletions
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14
thermion_dart/native/include/c_api/TSceneAsset.h
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@@ -10,6 +10,20 @@
extern "C"
{
#endif
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_createGeometry(
TEngine *tEngine,
float *vertices,
uint32_t numVertices,
float *normals,
uint32_t numNormals,
float *uvs,
uint32_t numUvs,
uint16_t *indices,
uint32_t numIndices,
TPrimitiveType tPrimitiveType,
TMaterialInstance **materialInstances,
int materialInstanceCount
);
EMSCRIPTEN_KEEPALIVE void SceneAsset_addToScene(TSceneAsset *tSceneAsset, TScene *tScene);
EMSCRIPTEN_KEEPALIVE EntityId SceneAsset_getEntity(TSceneAsset *tSceneAsset);
EMSCRIPTEN_KEEPALIVE int SceneAsset_getChildEntityCount(TSceneAsset* tSceneAsset);

49
thermion_dart/native/src/c_api/TSceneAsset.cpp
View File

@@ -1,6 +1,8 @@
#include "c_api/TSceneAsset.h"
#include "scene/SceneAsset.hpp"
#include "scene/GltfSceneAsset.hpp"
#include "scene/GeometrySceneAssetBuilder.hpp"
using namespace thermion;
@@ -10,6 +12,53 @@ extern "C"
{
#endif
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_createGeometry(
TEngine *tEngine,
float *vertices,
uint32_t numVertices,
float *normals,
uint32_t numNormals,
float *uvs,
uint32_t numUvs,
uint16_t *indices,
uint32_t numIndices,
TPrimitiveType tPrimitiveType,
TMaterialInstance **materialInstances,
int materialInstanceCount
) {
utils::Entity entity;
auto *engine = reinterpret_cast<filament::Engine *>(tEngine);
auto builder = GeometrySceneAssetBuilder(engine)
.vertices(vertices, numVertices)
.indices(indices, numIndices)
.primitiveType(static_cast<filament::RenderableManager::PrimitiveType>(tPrimitiveType));
if (normals)
{
builder.normals(normals, numNormals);
}
if (uvs)
{
builder.uvs(uvs, numUvs);
}
builder.materials(reinterpret_cast<MaterialInstance**>(materialInstances), materialInstanceCount);
auto sceneAsset = builder.build();
if (!sceneAsset)
{
Log("Failed to create geometry");
return std::nullptr_t();
}
return reinterpret_cast<TSceneAsset*>(sceneAsset.release());
}
EMSCRIPTEN_KEEPALIVE void SceneAsset_addToScene(TSceneAsset *tSceneAsset, TScene *tScene) {
auto *asset = reinterpret_cast<SceneAsset*>(tSceneAsset);
auto *scene = reinterpret_cast<Scene*>(tScene);