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allow setting animations for multiple targets

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This commit is contained in:
Nick Fisher
2023-11-18 13:34:25 +08:00
parent 28bbc42e14
commit fff6eae2f8
1 changed files with 35 additions and 26 deletions
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61
lib/filament_controller_ffi.dart
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@@ -659,33 +659,38 @@ class FilamentControllerFFI extends FilamentController {
dataPtr.elementAt(i).value = animation.data[i];
}
// the morph targets in [animation] might be a subset of those that actually exist in the mesh (and might not have the same order)
// we don't want to reorder the data (?? or do we? this is probably more efficient for the backend?)
// so let's get the actual list of morph targets from the mesh and pass the relevant indices to the native side.
var meshMorphTargets =
await getMorphTargetNames(entity, animation.meshName);
Pointer<Int> idxPtr = calloc<Int>(animation.morphTargets.length);
for (int i = 0; i < animation.numMorphTargets; i++) {
var index = meshMorphTargets.indexOf(animation.morphTargets[i]);
if (index == -1) {
calloc.free(dataPtr);
calloc.free(idxPtr);
throw Exception(
"Morph target ${animation.morphTargets[i]} is specified in the animation but could not be found in the mesh ${animation.meshName} under entity $entity");
}
idxPtr.elementAt(i).value = index;
}
set_morph_animation(
_assetManager!,
entity,
animation.meshName.toNativeUtf8().cast<Char>(),
dataPtr,
idxPtr,
animation.numMorphTargets,
animation.numFrames,
(animation.frameLengthInMs));
for (var meshName in animation.meshNames) {
// the morph targets in [animation] might be a subset of those that actually exist in the mesh (and might not have the same order)
// we don't want to reorder the data (?? or do we? this is probably more efficient for the backend?)
// so let's get the actual list of morph targets from the mesh and pass the relevant indices to the native side.
var meshMorphTargets = await getMorphTargetNames(entity, meshName);
for (int i = 0; i < animation.numMorphTargets; i++) {
var index = meshMorphTargets.indexOf(animation.morphTargets[i]);
if (index == -1) {
calloc.free(dataPtr);
calloc.free(idxPtr);
throw Exception(
"Morph target ${animation.morphTargets[i]} is specified in the animation but could not be found in the mesh $meshName under entity $entity");
}
idxPtr.elementAt(i).value = index;
}
var meshNamePtr = meshName.toNativeUtf8(allocator: calloc).cast<Char>();
set_morph_animation(
_assetManager!,
entity,
meshNamePtr,
dataPtr,
idxPtr,
animation.numMorphTargets,
animation.numFrames,
(animation.frameLengthInMs));
calloc.free(meshNamePtr);
}
calloc.free(dataPtr);
calloc.free(idxPtr);
}
@@ -1171,10 +1176,14 @@ class FilamentControllerFFI extends FilamentController {
var meshNamePtr = meshName.toNativeUtf8(allocator: calloc).cast<Char>();
var boneNamePtr = boneName.toNativeUtf8(allocator: calloc).cast<Char>();
set_bone_transform(_assetManager!, entity, meshNamePtr, ptr, boneNamePtr);
var result = set_bone_transform(
_assetManager!, entity, meshNamePtr, ptr, boneNamePtr);
calloc.free(ptr);
calloc.free(meshNamePtr);
calloc.free(boneNamePtr);
if (!result) {
throw Exception("Failed to set bone transform. See logs for details");
}
}
}