06eda2a484
Some common headers were including this. Separating the includes will ideally lead to better conceptual separation between CustomData and the attribute API too. Mostly the change is adding the file to places where it was included indirectly before. But some code is shuffled around to hopefully better places as well.
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
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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 display list (or rather multi purpose list) stuff.
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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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/** #DispList.type */
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enum {
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/** A closed polygon (that can be filled). */
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DL_POLY = 0,
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/** An open polygon. */
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DL_SEGM = 1,
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/** A grid surface that respects #DL_CYCL_U & #DL_CYCL_V. */
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DL_SURF = 2,
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/** Triangles. */
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DL_INDEX3 = 4,
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// DL_VERTCOL = 6, /* UNUSED */
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/** Isolated points. */
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DL_VERTS = 7,
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};
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/** #DispList.type */
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enum {
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/** U/V swapped here compared with #Nurb.flagu, #Nurb.flagv and #CU_NURB_CYCLIC */
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DL_CYCL_U = (1 << 0),
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DL_CYCL_V = (1 << 1),
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DL_FRONT_CURVE = (1 << 2),
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DL_BACK_CURVE = (1 << 3),
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};
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/* prototypes */
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struct Depsgraph;
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struct ListBase;
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struct Object;
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struct Scene;
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/* Used for curves, nurbs, meta-balls. */
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typedef struct DispList {
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struct DispList *next, *prev;
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short type, flag;
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int parts, nr;
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short col, rt; /* Currently only used for smooth flag. */
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float *verts, *nors;
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int *index;
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int charidx;
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int totindex; /* indexed array drawing surfaces */
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} DispList;
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DispList *BKE_displist_find(struct ListBase *lb, int type);
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void BKE_displist_free(struct ListBase *lb);
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void BKE_displist_make_curveTypes(struct Depsgraph *depsgraph,
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const struct Scene *scene,
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struct Object *ob,
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bool for_render);
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void BKE_curve_calc_modifiers_pre(struct Depsgraph *depsgraph,
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const struct Scene *scene,
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struct Object *ob,
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struct ListBase *source_nurb,
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struct ListBase *target_nurb,
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bool for_render);
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bool BKE_displist_surfindex_get(
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const struct DispList *dl, int a, int *b, int *p1, int *p2, int *p3, int *p4);
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/**
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* \param normal_proj: Optional normal that's used to project the scan-fill verts into 2D coords.
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* Pass this along if known since it saves time calculating the normal.
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* This is also used to initialize #DispList.nors (one normal per display list).
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* \param flip_normal: Flip the normal (same as passing \a normal_proj negated).
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*/
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void BKE_displist_fill(const struct ListBase *dispbase,
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struct ListBase *to,
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const float normal_proj[3],
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bool flip_normal);
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float BKE_displist_calc_taper(struct Depsgraph *depsgraph,
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const struct Scene *scene,
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struct Object *taperobj,
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int cur,
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int tot);
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void BKE_displist_minmax(const struct ListBase *dispbase, float min[3], float max[3]);
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#ifdef __cplusplus
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}
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#endif
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