172 lines
7.4 KiB
C++
172 lines
7.4 KiB
C++
/**
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2008 Blender Foundation.
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* All rights reserved.
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*
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*
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* Contributor(s): Blender Foundation
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef ED_VIEW3D_H
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#define ED_VIEW3D_H
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/* ********* exports for space_view3d/ module ********** */
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struct ARegion;
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struct bContext;
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struct BezTriple;
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struct bglMats;
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struct BoundBox;
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struct BPoint;
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struct EditEdge;
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struct EditFace;
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struct EditVert;
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struct ImBuf;
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struct Main;
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struct Nurb;
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struct Object;
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struct rcti;
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struct RegionView3D;
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struct Scene;
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struct View3D;
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struct ViewContext;
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/* for derivedmesh drawing callbacks, for view3d_select, .... */
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typedef struct ViewContext {
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struct Scene *scene;
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struct Object *obact;
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struct Object *obedit;
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struct ARegion *ar;
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struct View3D *v3d;
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struct RegionView3D *rv3d;
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struct EditMesh *em;
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short mval[2];
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} ViewContext;
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typedef struct ViewDepths {
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unsigned short w, h;
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float *depths;
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double depth_range[2];
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char damaged;
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} ViewDepths;
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float *give_cursor(struct Scene *scene, struct View3D *v3d);
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int initgrabz(struct RegionView3D *rv3d, float x, float y, float z);
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void window_to_3d(struct ARegion *ar, float *vec, short mx, short my);
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void window_to_3d_delta(struct ARegion *ar, float *vec, short mx, short my);
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void view3d_unproject(struct bglMats *mats, float out[3], const short x, const short y, const float z);
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/* Depth buffer */
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float read_cached_depth(struct ViewContext *vc, int x, int y);
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void request_depth_update(struct RegionView3D *rv3d);
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/* Projection */
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#define IS_CLIPPED 12000
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void view3d_calculate_clipping(struct BoundBox *bb, float planes[4][4], struct bglMats *mats, struct rcti *rect);
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void project_short(struct ARegion *ar, float *vec, short *adr);
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void project_short_noclip(struct ARegion *ar, float *vec, short *adr);
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void project_int(struct ARegion *ar, float *vec, int *adr);
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void project_int_noclip(struct ARegion *ar, float *vec, int *adr);
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void project_float(struct ARegion *ar, float *vec, float *adr);
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void project_float_noclip(struct ARegion *ar, float *vec, float *adr);
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void viewvector(struct RegionView3D *rv3d, float coord[3], float vec[3]);
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void viewline(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_end[3]);
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void viewray(struct ARegion *ar, struct View3D *v3d, float mval[2], float ray_start[3], float ray_normal[3]);
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int get_view3d_cliprange(struct View3D *v3d, struct RegionView3D *rv3d, float *clipsta, float *clipend);
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int get_view3d_viewplane(struct View3D *v3d, struct RegionView3D *rv3d, int winxi, int winyi, rctf *viewplane, float *clipsta, float *clipend, float *pixsize);
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int get_view3d_ortho(struct View3D *v3d, struct RegionView3D *rv3d);
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void view3d_get_object_project_mat(struct RegionView3D *v3d, struct Object *ob, float pmat[4][4]);
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void view3d_project_float(struct ARegion *a, float *vec, float *adr, float mat[4][4]);
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/* drawobject.c itterators */
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void mesh_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct EditVert *eve, int x, int y, int index), void *userData, int clipVerts);
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void mesh_foreachScreenEdge(struct ViewContext *vc, void (*func)(void *userData, struct EditEdge *eed, int x0, int y0, int x1, int y1, int index), void *userData, int clipVerts);
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void mesh_foreachScreenFace(struct ViewContext *vc, void (*func)(void *userData, struct EditFace *efa, int x, int y, int index), void *userData);
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void nurbs_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct Nurb *nu, struct BPoint *bp, struct BezTriple *bezt, int beztindex, int x, int y), void *userData);
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void lattice_foreachScreenVert(struct ViewContext *vc, void (*func)(void *userData, struct BPoint *bp, int x, int y), void *userData);
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void ED_view3d_local_clipping(struct RegionView3D *rv3d, float mat[][4]);
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int view3d_test_clipping(struct RegionView3D *rv3d, float *vec, int local);
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void view3d_align_axis_to_vector(struct View3D *v3d, struct RegionView3D *rv3d, int axisidx, float vec[3]);
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void drawcircball(int mode, float *cent, float rad, float tmat[][4]);
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/* backbuffer select and draw support */
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void view3d_validate_backbuf(struct ViewContext *vc);
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struct ImBuf *view3d_read_backbuf(struct ViewContext *vc, short xmin, short ymin, short xmax, short ymax);
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unsigned int view3d_sample_backbuf_rect(struct ViewContext *vc, short mval[2], int size, unsigned int min, unsigned int max, int *dist, short strict,
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void *handle, unsigned int (*indextest)(void *handle, unsigned int index));
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unsigned int view3d_sample_backbuf(struct ViewContext *vc, int x, int y);
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/* draws and does a 4x4 sample */
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int view_autodist(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, short *mval, float mouse_worldloc[3]);
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/* only draw so view_autodist_simple can be called many times after */
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int view_autodist_init(struct Scene *scene, struct ARegion *ar, struct View3D *v3d, int mode);
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int view_autodist_simple(struct ARegion *ar, short *mval, float mouse_worldloc[3], int margin, float *force_depth);
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int view_autodist_depth(struct ARegion *ar, short *mval, int margin, float *depth);
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/* select */
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#define MAXPICKBUF 10000
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short view3d_opengl_select(struct ViewContext *vc, unsigned int *buffer, unsigned int bufsize, rcti *input);
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void view3d_set_viewcontext(struct bContext *C, struct ViewContext *vc);
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void view3d_operator_needs_opengl(const struct bContext *C);
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void view3d_get_view_aligned_coordinate(struct ViewContext *vc, float *fp, short mval[2]);
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void view3d_get_transformation(struct ARegion *ar, struct RegionView3D *rv3d, struct Object *ob, struct bglMats *mats);
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/* XXX should move to arithb.c */
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int edge_inside_circle(short centx, short centy, short rad, short x1, short y1, short x2, short y2);
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int lasso_inside(short mcords[][2], short moves, short sx, short sy);
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int lasso_inside_edge(short mcords[][2], short moves, int x0, int y0, int x1, int y1);
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/* get 3d region from context, also if mouse is in header or toolbar */
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struct RegionView3D *ED_view3d_context_rv3d(struct bContext *C);
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void ED_view3d_init_mats_rv3d(struct Object *ob, struct RegionView3D *rv3d);
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int ED_view3d_scene_layer_set(int lay, const int *values, int *active);
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int ED_view3d_context_activate(struct bContext *C);
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void ED_view3d_draw_offscreen(struct Scene *scene, struct View3D *v3d, struct ARegion *ar,
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int winx, int winy, float viewmat[][4], float winmat[][4]);
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struct ImBuf *ED_view3d_draw_offscreen_imbuf(struct Scene *scene, struct View3D *v3d, struct ARegion *ar, int sizex, int sizey);
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struct ImBuf *ED_view3d_draw_offscreen_imbuf_simple(Scene *scene, int width, int height, int drawtype);
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void view3d_clipping_local(struct RegionView3D *rv3d, float mat[][4]);
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Base *ED_view3d_give_base_under_cursor(struct bContext *C, short *mval);
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void ED_view3d_quadview_update(struct ScrArea *sa, struct ARegion *ar);
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#endif /* ED_VIEW3D_H */
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