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add method to retrieve rest local transforms

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This commit is contained in:
Nick Fisher
2024-06-03 22:29:23 +08:00
parent 9090eca461
commit 7d9bc9e5cc
2 changed files with 20 additions and 0 deletions
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2
dart_filament/native/include/DartFilamentApi.h
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@@ -150,6 +150,8 @@ extern "C"
float frameLengthInMs); float frameLengthInMs);
EMSCRIPTEN_KEEPALIVE void get_local_transform(void *sceneManager, EMSCRIPTEN_KEEPALIVE void get_local_transform(void *sceneManager,
EntityId entityId, float* const); EntityId entityId, float* const);
EMSCRIPTEN_KEEPALIVE void get_rest_local_transforms(void *sceneManager,
EntityId entityId, int skinIndex, float* const out, int numBones);
EMSCRIPTEN_KEEPALIVE void get_world_transform(void *sceneManager, EMSCRIPTEN_KEEPALIVE void get_world_transform(void *sceneManager,
EntityId entityId, float* const); EntityId entityId, float* const);
EMSCRIPTEN_KEEPALIVE void get_inverse_bind_matrix(void *sceneManager, EMSCRIPTEN_KEEPALIVE void get_inverse_bind_matrix(void *sceneManager,

18
dart_filament/native/src/DartFilamentApi.cpp
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@@ -485,6 +485,24 @@ extern "C"
out[15] = transform[3][3]; out[15] = transform[3][3];
} }
EMSCRIPTEN_KEEPALIVE void get_rest_local_transforms(void *sceneManager,
EntityId entityId, int skinIndex, float* const out, int numBones) {
const auto transforms = ((SceneManager*)sceneManager)->getBoneRestTranforms(entityId, skinIndex);
auto numTransforms = transforms->size();
if(numTransforms != numBones) {
Log("Error - %d bone transforms available but you only specified %d.", numTransforms, numBones);
return;
}
for(int boneIndex = 0; boneIndex < numTransforms; boneIndex++) {
const auto transform = transforms->at(boneIndex);
for(int colNum = 0; colNum < 4; colNum++) {
for(int rowNum = 0; rowNum < 4; rowNum++) {
out[(boneIndex * 16) + (colNum * 4) + rowNum] = transform[colNum][rowNum];
}
}
}
}
EMSCRIPTEN_KEEPALIVE void get_inverse_bind_matrix(void *sceneManager, EMSCRIPTEN_KEEPALIVE void get_inverse_bind_matrix(void *sceneManager,
EntityId entityId, int skinIndex, int boneIndex, float* const out) { EntityId entityId, int skinIndex, int boneIndex, float* const out) {
auto transform = ((SceneManager*)sceneManager)->getInverseBindMatrix(entityId, skinIndex, boneIndex); auto transform = ((SceneManager*)sceneManager)->getInverseBindMatrix(entityId, skinIndex, boneIndex);