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84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
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#pragma once
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#include "lroom_manager.h"
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class LHelper
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{
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public:
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struct LFace
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{
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Vector3 m_Pos[3];
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Vector3 m_Norm[3];
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int m_index[3];
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String ToString() const;
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};
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// unique vert
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struct LVert
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{
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Vector3 m_Pos;
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Vector3 m_Norm;
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Vector2 m_UV;
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Vector2 m_UV2;
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bool ApproxEqual(const LVert &o) const;
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};
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// the merged mesh data to be passed for unmerging meshes
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struct LMerged
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{
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PoolVector<Vector3> m_Verts;
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PoolVector<Vector3> m_Norms;
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PoolVector<Vector2> m_UV2s;
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PoolVector<int> m_Inds;
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int m_nFaces;
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// precreate LFaces
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LVector<LFace> m_LFaces;
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};
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// one function to do the whole internal workflow
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MeshInstance * CreateLightmapProxy(LRoomManager &manager);
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// for lightmapping
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bool MergeSOBs(LRoomManager &manager, MeshInstance * pMerged);
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// take the UV2 coords from the merged mesh and attach these to the SOB meshes
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bool UnMergeSOBs(LRoomManager &manager, MeshInstance * pMerged);
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// bool UnMergeSOBs(LRoomManager &manager, const PoolVector<Vector2> &uv2s);
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// main function for getting merged uv2 back to sobs
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bool TransferUV2(const MeshInstance &mi_from, MeshInstance &mi_to);
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private:
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void Merge_MI(const MeshInstance &mi, PoolVector<Vector3> &verts, PoolVector<Vector3> &norms, PoolVector<int> &inds);
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bool UnMerge_SOB(MeshInstance &mi, LMerged &merged);
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unsigned int FindMatchingVertex(const PoolVector<Vector2> &uvs, const Vector2 &uv1) const;
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bool BakeLightmap(BakedLightmap &baked_lightmap, MeshInstance * pMerged);
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bool LightmapUnwrap(Ref<ArrayMesh> am, const Transform &trans);
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// bool LightmapUnwrap(const PoolVector<Vector3> &p_verts, const PoolVector<Vector3> &p_normals, const PoolVector<int> &p_inds, PoolVector<Vector2> &r_uvs);
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//Error lightmap_unwrap(ArrayMesh &am, const Transform &p_base_transform, float p_texel_size);
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int DebugCountUVs(MeshInstance &mi);
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void Transform_Verts(const PoolVector<Vector3> &ptsLocal, PoolVector<Vector3> &ptsWorld, const Transform &tr) const;
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void Transform_Norms(const PoolVector<Vector3> &normsLocal, PoolVector<Vector3> &normsWorld, const Transform &tr) const;
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int DoFacesMatch(const LFace& sob_f, const LFace &m_face) const;
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bool DoFaceVertsApproxMatch(const LFace& sob_f, const LFace &m_face, int c0, int c1) const;
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bool DoPosNormsApproxMatch(const Vector3 &a_pos, const Vector3 &a_norm, const Vector3 &b_pos, const Vector3 &b_norm) const;
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int FindOrAddVert(LVector<LVert> &uni_verts, const LVert &vert) const;
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void SetOwnerRecursive(Node * pNode, Node * pOwner);
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bool FillMergedFromMesh(LMerged &merged, const MeshInstance &mesh);
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// bool xatlas_mesh_lightmap_unwrap(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y);
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};
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