Differential D10678 Diff 35276 source/blender/editors/space_view3d/view3d_utils.c

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source/blender/editors/space_view3d/view3d_utils.c

Show First 20 Lines • Show All 1,018 Lines • ▼ Show 20 Lines	static float view_autodist_depth_margin(ARegion *region, const int mval[2], int margin)
view3d_update_depths_rect(region, &depth_temp, &rect);		view3d_update_depths_rect(region, &depth_temp, &rect);
float depth_close = view3d_depth_near(&depth_temp);		float depth_close = view3d_depth_near(&depth_temp);
MEM_SAFE_FREE(depth_temp.depths);		MEM_SAFE_FREE(depth_temp.depths);
return depth_close;		return depth_close;
}		}

/**		/**
* Get the world-space 3d location from a screen-space 2d point.		* Get the world-space 3d location from a screen-space 2d point.
		* TODO: Implement #alphaoverride. We don't want to zoom into billboards.
*		*
* \param mval: Input screen-space pixel location.		* \param mval: Input screen-space pixel location.
* \param mouse_worldloc: Output world-space location.		* \param mouse_worldloc: Output world-space location.
* \param fallback_depth_pt: Use this points depth when no depth can be found.		* \param fallback_depth_pt: Use this points depth when no depth can be found.
*/		*/
bool ED_view3d_autodist(Depsgraph *depsgraph,		bool ED_view3d_autodist(Depsgraph *depsgraph,
ARegion *region,		ARegion *region,
View3D *v3d,		View3D *v3d,
const int mval[2],		const int mval[2],
float mouse_worldloc[3],		float mouse_worldloc[3],
const bool alphaoverride,		const bool UNUSED(alphaoverride),
const float fallback_depth_pt[3])		const float fallback_depth_pt[3])
{		{
float depth_close;		float depth_close;
int margin_arr[] = {0, 2, 4};		int margin_arr[] = {0, 2, 4};
bool depth_ok = false;		bool depth_ok = false;

/* Get Z Depths, needed for perspective, nice for ortho */		/* Get Z Depths, needed for perspective, nice for ortho */
ED_view3d_draw_depth(depsgraph, region, v3d, alphaoverride);		ED_view3d_depth_override(depsgraph, region, v3d, NULL, V3D_DEPTH_NO_GPENCIL, false);

/* Attempt with low margin's first */		/* Attempt with low margin's first */
int i = 0;		int i = 0;
do {		do {
depth_close = view_autodist_depth_margin(region, mval, margin_arr[i++] * U.pixelsize);		depth_close = view_autodist_depth_margin(region, mval, margin_arr[i++] * U.pixelsize);
depth_ok = (depth_close != FLT_MAX);		depth_ok = (depth_close != FLT_MAX);
} while ((depth_ok == false) && (i < ARRAY_SIZE(margin_arr)));		} while ((depth_ok == false) && (i < ARRAY_SIZE(margin_arr)));

if (depth_ok) {		if (depth_ok) {
float centx = (float)mval[0] + 0.5f;		float centx = (float)mval[0] + 0.5f;
float centy = (float)mval[1] + 0.5f;		float centy = (float)mval[1] + 0.5f;

if (ED_view3d_unproject(region, centx, centy, depth_close, mouse_worldloc)) {		if (ED_view3d_unproject(region, centx, centy, depth_close, mouse_worldloc)) {
return true;		return true;
}		}
}		}

if (fallback_depth_pt) {		if (fallback_depth_pt) {
ED_view3d_win_to_3d_int(v3d, region, fallback_depth_pt, mval, mouse_worldloc);		ED_view3d_win_to_3d_int(v3d, region, fallback_depth_pt, mval, mouse_worldloc);
return true;		return true;
}		}
return false;		return false;
}		}

void ED_view3d_autodist_init(Depsgraph depsgraph, ARegion region, View3D *v3d, int mode)		/* no 4x4 sampling, run #ED_view3d_depth_override first */
{
/* Get Z Depths, needed for perspective, nice for ortho */
switch (mode) {
case 0:
ED_view3d_draw_depth(depsgraph, region, v3d, true);
break;
case 1: {
Scene *scene = DEG_get_evaluated_scene(depsgraph);
ED_view3d_draw_depth_gpencil(depsgraph, scene, region, v3d);
break;
}
}
}

/* no 4x4 sampling, run #ED_view3d_autodist_init first */
bool ED_view3d_autodist_simple(ARegion *region,		bool ED_view3d_autodist_simple(ARegion *region,
const int mval[2],		const int mval[2],
float mouse_worldloc[3],		float mouse_worldloc[3],
int margin,		int margin,
const float *force_depth)		const float *force_depth)
{		{
/* Get Z Depths, needed for perspective, nice for ortho */		/* Get Z Depths, needed for perspective, nice for ortho */
float depth;		float depth;
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