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allow setting material property by name

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This commit is contained in:
Nick Fisher
2024-09-13 15:20:45 +08:00
parent aee607908d
commit 70f904d54c
4 changed files with 60 additions and 0 deletions
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3
thermion_dart/native/include/SceneManager.hpp
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@@ -287,6 +287,9 @@ namespace thermion_filament
return _assetLoader->createInstance(asset);
}
void setMaterialProperty(EntityId entity, int materialIndex, const char* property, float value);
void setMaterialProperty(EntityId entityId, int materialIndex, const char* property, filament::math::float4 value);
private:
gltfio::AssetLoader *_assetLoader = nullptr;
const ResourceLoaderWrapperImpl *const _resourceLoaderWrapper;

10
thermion_dart/native/include/ThermionDartApi.h
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@@ -59,6 +59,13 @@ extern "C"
typedef int32_t _ManipulatorMode;
typedef struct CameraPtr CameraPtr;
typedef struct {
float x;
float y;
float z;
float w;
} float4;
typedef struct {
double col1[4];
double col2[4];
@@ -270,6 +277,9 @@ extern "C"
EMSCRIPTEN_KEEPALIVE void set_gizmo_visibility(void *const sceneManager, bool visible);
EMSCRIPTEN_KEEPALIVE void set_stencil_highlight(void *const sceneManager, EntityId entity, float r, float g, float b);
EMSCRIPTEN_KEEPALIVE void remove_stencil_highlight(void *const sceneManager, EntityId entity);
EMSCRIPTEN_KEEPALIVE void set_material_property_float(void *const sceneManager, EntityId entity, int materialIndex, const char* property, float value);
EMSCRIPTEN_KEEPALIVE void set_material_property_float4(void *const sceneManager, EntityId entity, int materialIndex, const char* property, float4 value);
#ifdef __cplusplus
}

35
thermion_dart/native/src/SceneManager.cpp
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@@ -2460,6 +2460,41 @@ void SceneManager::queueRelativePositionUpdateWorldAxis(EntityId entity, float v
) {
return createGeometryWithNormals(vertices, numVertices, nullptr, 0, indices, numIndices, primitiveType, materialPath, keepData);
}
void SceneManager::setMaterialProperty(EntityId entityId, int materialIndex, const char* property, float value) {
auto entity = Entity::import(entityId);
const auto& rm = _engine->getRenderableManager();
auto renderableInstance = rm.getInstance(entity);
if(!renderableInstance.isValid()) {
Log("ERROR");
return;
}
auto materialInstance = rm.getMaterialInstanceAt(renderableInstance, materialIndex);
if(!materialInstance->getMaterial()->hasParameter(property)) {
Log("Parameter %s not found", property);
return;
}
materialInstance->setParameter(property, value);
}
void SceneManager::setMaterialProperty(EntityId entityId, int materialIndex, const char* property, filament::math::float4 value) {
auto entity = Entity::import(entityId);
const auto& rm = _engine->getRenderableManager();
auto renderableInstance = rm.getInstance(entity);
if(!renderableInstance.isValid()) {
Log("ERROR");
return;
}
auto materialInstance = rm.getMaterialInstanceAt(renderableInstance, materialIndex);
if(!materialInstance->getMaterial()->hasParameter(property)) {
Log("Parameter %s not found", property);
return;
}
materialInstance->setParameter(property, value);
}
} // namespace thermion_filament

12
thermion_dart/native/src/ThermionDartApi.cpp
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@@ -943,4 +943,16 @@ extern "C"
{
((SceneManager *)sceneManager)->removeStencilHighlight(entityId);
}
EMSCRIPTEN_KEEPALIVE void set_material_property_float(void *const sceneManager, EntityId entity, int materialIndex, const char* property, float value) {
((SceneManager *)sceneManager)->setMaterialProperty(entity, materialIndex, property, value);
}
EMSCRIPTEN_KEEPALIVE void set_material_property_float4(void *const sceneManager, EntityId entity, int materialIndex, const char* property, float4 value) {
filament::math::float4 filamentValue { value.x, value.y, value.z, value.w };
((SceneManager *)sceneManager)->setMaterialProperty(entity, materialIndex, property, filamentValue);
}
}