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Add CookCollision to collision data with triangles as int32

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This commit is contained in:
Wojtek Figat
2021-08-13 09:58:57 +02:00
parent 8074bb2fbe
commit 4984ba1bb3
2 changed files with 28 additions and 0 deletions
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15
Source/Engine/Physics/CollisionData.cpp
View File

@@ -78,6 +78,21 @@ bool CollisionData::CookCollision(CollisionDataType type, const Span<Vector3>& v
return CookCollision(type, &modelData, convexFlags, convexVertexLimit);
}
bool CollisionData::CookCollision(CollisionDataType type, const Span<Vector3>& vertices, const Span<int32>& triangles, ConvexMeshGenerationFlags convexFlags, int32 convexVertexLimit)
{
CHECK_RETURN(vertices.Length() != 0, true);
CHECK_RETURN(triangles.Length() != 0 && triangles.Length() % 3 == 0, true);
ModelData modelData;
modelData.LODs.Resize(1);
auto meshData = New<MeshData>();
modelData.LODs[0].Meshes.Add(meshData);
meshData->Positions.Set(vertices.Get(), vertices.Length());
meshData->Indices.Resize(triangles.Length());
for (int32 i = 0; i < triangles.Length(); i++)
meshData->Indices.Get()[i] = triangles.Get()[i];
return CookCollision(type, &modelData, convexFlags, convexVertexLimit);
}
bool CollisionData::CookCollision(CollisionDataType type, ModelData* modelData, ConvexMeshGenerationFlags convexFlags, int32 convexVertexLimit)
{
// Validate state

13
Source/Engine/Physics/CollisionData.h
View File

@@ -223,6 +223,19 @@ public:
/// <param name="convexVertexLimit">The convex mesh vertex limit. Use values in range [8;255]</param>
API_FUNCTION() bool CookCollision(CollisionDataType type, const Span<Vector3>& vertices, const Span<uint32>& triangles, ConvexMeshGenerationFlags convexFlags = ConvexMeshGenerationFlags::None, int32 convexVertexLimit = 255);
/// <summary>
/// Cooks the mesh collision data and updates the virtual asset. action cannot be performed on a main thread.
/// </summary>
/// <remarks>
/// Can be used only for virtual assets (see <see cref="Asset.IsVirtual"/> and <see cref="Content.CreateVirtualAsset{T}"/>).
/// </remarks>
/// <param name="type">The collision data type.</param>
/// <param name="vertices">The source geometry vertex buffer with vertices positions. Cannot be empty.</param>
/// <param name="triangles">The source data index buffer (triangles list). Uses 32-bit stride buffer. Cannot be empty. Length must be multiple of 3 (as 3 vertices build a triangle).</param>
/// <param name="convexFlags">The convex mesh generation flags.</param>
/// <param name="convexVertexLimit">The convex mesh vertex limit. Use values in range [8;255]</param>
API_FUNCTION() bool CookCollision(CollisionDataType type, const Span<Vector3>& vertices, const Span<int32>& triangles, ConvexMeshGenerationFlags convexFlags = ConvexMeshGenerationFlags::None, int32 convexVertexLimit = 255);
/// <summary>
/// Cooks the mesh collision data and updates the virtual asset. action cannot be performed on a main thread.
/// </summary>