changed up interface for lattice a bit

1 files changed, 39 insertions, 0 deletions

diff --git a/extern/softbody/src/admmpd_embeddedmesh.h b/extern/softbody/src/admmpd_embeddedmesh.h
new file mode 100644
index 00000000000..a1abe02f904
--- /dev/null
+++ b/extern/softbody/src/admmpd_embeddedmesh.h
@@ -0,0 +1,39 @@
+// Copyright Matt Overby 2020.
+// Distributed under the MIT License.
+
+#ifndef ADMMPD_LATTICE_H_
+#define ADMMPD_LATTICE_H_
+
+#include "admmpd_types.h"
+
+namespace admmpd {
+
+class EmbeddedMesh {
+public:
+    // Returns true on success
+    bool generate(
+        const Eigen::MatrixXd &V, // embedded verts
+        const Eigen::MatrixXi &F, // embedded faces
+        EmbeddedMeshData *emb_mesh, // where embedding is stored
+        Eigen::MatrixXd *x_tets); // lattice vertices, n x 3
+
+    // Returns the vtx mapped from x/v and tets
+    Eigen::Vector3d get_mapped_vertex(
+        const EmbeddedMeshData *emb_mesh,
+        const Eigen::MatrixXd *x_data,
+        int idx);
+
+protected:
+
+    // Returns true on success
+    // Computes the embedding data, like barycoords
+    bool compute_embedding(
+        EmbeddedMeshData *emb_mesh, // where embedding is stored
+        const Eigen::MatrixXd *x_embed, // embedded vertices, p x 3
+        const Eigen::MatrixXd *x_tets); // lattice vertices, n x 3
+
+}; // class Lattice
+
+} // namespace admmpd
+
+#endif // ADMMPD_LATTICE_H_