122 lines
2.8 KiB
C
122 lines
2.8 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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* \brief External data structures for PBVH. Does not
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* include data structures internal to the draw code.
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*/
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#include "BLI_compiler_compat.h"
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#include "BLI_utildefines.h"
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struct PBVHNode;
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struct PBVHBatches;
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struct BMesh;
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typedef enum {
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PBVH_FACES,
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PBVH_GRIDS,
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PBVH_BMESH,
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} PBVHType;
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/* #PBVHNodeFlags is needed by `DRW_render.h` and `draw_cache.cc`. */
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typedef enum PBVHNodeFlags {
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PBVH_Leaf = 1 << 0,
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PBVH_UpdateNormals = 1 << 1,
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PBVH_UpdateBB = 1 << 2,
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PBVH_UpdateOriginalBB = 1 << 3,
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PBVH_UpdateDrawBuffers = 1 << 4,
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PBVH_UpdateRedraw = 1 << 5,
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PBVH_UpdateMask = 1 << 6,
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PBVH_UpdateVisibility = 1 << 8,
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PBVH_RebuildDrawBuffers = 1 << 9,
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PBVH_FullyHidden = 1 << 10,
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PBVH_FullyMasked = 1 << 11,
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PBVH_FullyUnmasked = 1 << 12,
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PBVH_UpdateTopology = 1 << 13,
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PBVH_UpdateColor = 1 << 14,
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PBVH_RebuildPixels = 1 << 15,
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PBVH_TexLeaf = 1 << 16,
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/** Used internally by `pbvh_bmesh.cc`. */
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PBVH_TopologyUpdated = 1 << 17,
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} PBVHNodeFlags;
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ENUM_OPERATORS(PBVHNodeFlags, PBVH_TopologyUpdated);
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#ifdef __cplusplus
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/* A few C++ methods to play nice with sets and maps. */
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# define PBVH_REF_CXX_METHODS(Class) \
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bool operator==(const Class b) const \
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{ \
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return i == b.i; \
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} \
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uint64_t hash() const \
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{ \
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return i; \
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}
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#else
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# define PBVH_REF_CXX_METHODS(Class)
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#endif
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typedef struct PBVHVertRef {
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intptr_t i;
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PBVH_REF_CXX_METHODS(PBVHVertRef)
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} PBVHVertRef;
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/* NOTE: edges in PBVH_GRIDS are always pulled from the base mesh. */
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typedef struct PBVHEdgeRef {
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intptr_t i;
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PBVH_REF_CXX_METHODS(PBVHVertRef)
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} PBVHEdgeRef;
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/* NOTE: faces in PBVH_GRIDS are always puled from the base mesh. */
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typedef struct PBVHFaceRef {
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intptr_t i;
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PBVH_REF_CXX_METHODS(PBVHVertRef)
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} PBVHFaceRef;
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#define PBVH_REF_NONE -1LL
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/* Public members of PBVH, used for inlined functions. */
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struct PBVHPublic {
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PBVHType type;
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struct BMesh *bm;
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};
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typedef struct PBVH PBVH;
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typedef struct PBVHNode PBVHNode;
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BLI_INLINE PBVHType BKE_pbvh_type(const PBVH *pbvh)
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{
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return ((const struct PBVHPublic *)pbvh)->type;
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}
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Needed by eevee_materias.c. */
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void BKE_pbvh_is_drawing_set(PBVH *pbvh, bool val);
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/* Needed by `basic_engine.cc`. */
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void BKE_pbvh_draw_debug_cb(PBVH *pbvh,
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void (*draw_fn)(PBVHNode *node,
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void *user_data,
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const float bmin[3],
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const float bmax[3],
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PBVHNodeFlags flag),
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void *user_data);
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#ifdef __cplusplus
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}
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#endif /* extern "C" */
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