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Fix T47164: [Scene.raycast] - True result when it should be False.

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We cannot use FLT_MAX as initi distance for raycast...

Renamed TRANSFORM_DIST_MAX_RAY to BVH_RAYCAST_DIST_MAX, moved it into BLI_kdopbvh,
and use in RNA raycast callbacks (and all other places using that API).
This commit is contained in:
Bastien Montagne
2016-01-12 09:37:56 +01:00
parent 90250f8568
commit c6c223ade6
15 changed files with 32 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
source/blender/blenkernel/intern/constraint.c
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@@ -3478,7 +3478,7 @@ static void shrinkwrap_get_tarmat(bConstraint *con, bConstraintOb *cob, bConstra
/* TODO should use FLT_MAX.. but normal projection doenst yet supports it */
hit.index = -1;
hit.dist = (scon->projLimit == 0.0f) ? 100000.0f : scon->projLimit;
hit.dist = (scon->projLimit == 0.0f) ? BVH_RAYCAST_DIST_MAX : scon->projLimit;
switch (scon->projAxis) {
case OB_POSX: case OB_POSY: case OB_POSZ:
@@ -4123,7 +4123,7 @@ static void followtrack_evaluate(bConstraint *con, bConstraintOb *cob, ListBase
bvhtree_from_mesh_looptri(&treeData, target, 0.0f, 4, 6);
hit.dist = FLT_MAX;
hit.dist = BVH_RAYCAST_DIST_MAX;
hit.index = -1;
result = BLI_bvhtree_ray_cast(treeData.tree, ray_start, ray_nor, 0.0f, &hit, treeData.raycast_callback, &treeData);

4
source/blender/blenkernel/intern/dynamicpaint.c
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@@ -3274,7 +3274,7 @@ static int dynamicPaint_paintMesh(DynamicPaintSurface *surface,
add_v3_fl(ray_start, 0.001f);
hit.index = -1;
hit.dist = 9999;
hit.dist = BVH_RAYCAST_DIST_MAX;
nearest.index = -1;
nearest.dist_sq = brush_radius * brush_radius; /* find_nearest uses squared distance */
@@ -3304,7 +3304,7 @@ static int dynamicPaint_paintMesh(DynamicPaintSurface *surface,
* point is at least surrounded by two brush faces */
negate_v3(ray_dir);
hit.index = -1;
hit.dist = 9999;
hit.dist = BVH_RAYCAST_DIST_MAX;
BLI_bvhtree_ray_cast(treeData.tree, ray_start, ray_dir, 0.0f, &hit, mesh_tris_spherecast_dp, &treeData);

2
source/blender/blenkernel/intern/shrinkwrap.c
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@@ -326,7 +326,7 @@ static void shrinkwrap_calc_normal_projection(ShrinkwrapCalcData *calc, bool for
hit.index = -1;
hit.dist = 10000.0f; /* TODO: we should use FLT_MAX here, but sweepsphere code isn't prepared for that */
hit.dist = BVH_RAYCAST_DIST_MAX; /* TODO: we should use FLT_MAX here, but sweepsphere code isn't prepared for that */
/* Project over positive direction of axis */
if (calc->smd->shrinkOpts & MOD_SHRINKWRAP_PROJECT_ALLOW_POS_DIR) {

1
source/blender/blenlib/BLI_kdopbvh.h
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@@ -77,6 +77,7 @@ enum {
BVH_RAYCAST_WATERTIGHT = (1 << 0),
};
#define BVH_RAYCAST_DEFAULT (BVH_RAYCAST_WATERTIGHT)
#define BVH_RAYCAST_DIST_MAX (FLT_MAX / 2.0f)
/* callback must update nearest in case it finds a nearest result */
typedef void (*BVHTree_NearestPointCallback)(void *userdata, int index, const float co[3], BVHTreeNearest *nearest);

8
source/blender/blenlib/intern/BLI_kdopbvh.c
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@@ -1611,7 +1611,7 @@ static void dfs_raycast_all(BVHRayCastData *data, BVHNode *node)
if (node->totnode == 0) {
if (data->callback) {
data->hit.index = -1;
data->hit.dist = FLT_MAX;
data->hit.dist = BVH_RAYCAST_DIST_MAX;
data->callback(data->userdata, node->index, &data->ray, &data->hit);
}
else {
@@ -1720,7 +1720,7 @@ int BLI_bvhtree_ray_cast_ex(
}
else {
data.hit.index = -1;
data.hit.dist = FLT_MAX;
data.hit.dist = BVH_RAYCAST_DIST_MAX;
}
if (root) {
@@ -1747,7 +1747,7 @@ float BLI_bvhtree_bb_raycast(const float bv[6], const float light_start[3], cons
BVHRayCastData data;
float dist;
data.hit.dist = FLT_MAX;
data.hit.dist = BVH_RAYCAST_DIST_MAX;
/* get light direction */
sub_v3_v3v3(data.ray.direction, light_end, light_start);
@@ -1792,7 +1792,7 @@ int BLI_bvhtree_ray_cast_all_ex(
bvhtree_ray_cast_data_precalc(&data, flag);
data.hit.index = -1;
data.hit.dist = FLT_MAX;
data.hit.dist = BVH_RAYCAST_DIST_MAX;
if (root) {
dfs_raycast_all(&data, root);

2
source/blender/bmesh/intern/bmesh_polygon_edgenet.c
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@@ -808,7 +808,7 @@ static BMEdge *test_edges_isect_2d_ray(
BLI_ASSERT_UNIT_V2(dir);
hit.index = -1;
hit.dist = FLT_MAX;
hit.dist = BVH_RAYCAST_DIST_MAX;
struct Edges_VertRay_BVHTreeTest user_data = {0};
user_data.edge_arr = args->edge_arr;

2
source/blender/bmesh/tools/bmesh_intersect.c
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@@ -899,7 +899,7 @@ static int isect_bvhtree_point_v3(
* keeps calling the intersect callback.
*/
hit.index = -1;
hit.dist = FLT_MAX;
hit.dist = BVH_RAYCAST_DIST_MAX;
BLI_bvhtree_ray_cast(tree,
co, dir,

2
source/blender/editors/armature/meshlaplacian.c
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@@ -1008,7 +1008,7 @@ static MDefBoundIsect *meshdeform_ray_tree_intersect(MeshDeformBind *mdb, const
isect_mdef.vec_length = normalize_v3_v3(vec_normal, isect_mdef.vec);
hit.index = -1;
hit.dist = FLT_MAX;
hit.dist = BVH_RAYCAST_DIST_MAX;
if (BLI_bvhtree_ray_cast(mdb->bvhtree, isect_mdef.start, vec_normal,
0.0, &hit, harmonic_ray_callback, &data) != -1)
{

2
source/blender/editors/include/ED_transform.h
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@@ -109,6 +109,7 @@ struct TransInfo;
struct Base;
struct Scene;
struct Object;
struct wmOperator;
/* UNUSED */
// int BIF_snappingSupported(struct Object *obedit);
@@ -175,7 +176,6 @@ typedef enum SnapSelect {
} SnapSelect;
#define SNAP_MIN_DISTANCE 30
#define TRANSFORM_DIST_MAX_RAY (FLT_MAX / 2.0f)
bool peelObjectsTransForm(
struct TransInfo *t, const float mval[2], SnapSelect snap_select,

7
source/blender/editors/space_view3d/view3d_edit.c
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@@ -41,6 +41,7 @@
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_kdopbvh.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
@@ -5183,7 +5184,7 @@ bool ED_view3d_snap_from_ray(
float r_co[3])
{
float r_no_dummy[3];
float ray_dist = TRANSFORM_DIST_MAX_RAY;
float ray_dist = BVH_RAYCAST_DIST_MAX;
bool ret;
struct Object *obedit = scene->obedit;
@@ -5223,7 +5224,7 @@ bool ED_view3d_snap_from_region(
float r_co[3], float r_no[3])
{
float r_no_dummy[3];
float ray_dist = TRANSFORM_DIST_MAX_RAY;
float ray_dist = BVH_RAYCAST_DIST_MAX;
bool is_hit = false;
float *r_no_ptr = r_no ? r_no : r_no_dummy;
@@ -5236,7 +5237,7 @@ bool ED_view3d_snap_from_region(
for (int i = 0; i < 3; i++) {
if (elem_test[i] && (is_hit == false || use_depth)) {
if (use_depth == false) {
ray_dist = TRANSFORM_DIST_MAX_RAY;
ray_dist = BVH_RAYCAST_DIST_MAX;
}
if (snapObjectsEx(
scene, v3d, ar, NULL, obedit,

5
source/blender/editors/space_view3d/view3d_walk.c
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@@ -33,6 +33,7 @@
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_kdopbvh.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
@@ -410,7 +411,7 @@ static bool walk_floor_distance_get(bContext *C, RegionView3D *rv3d, WalkInfo *w
float dvec_tmp[3];
bool ret;
*r_distance = TRANSFORM_DIST_MAX_RAY;
*r_distance = BVH_RAYCAST_DIST_MAX;
copy_v3_v3(ray_start, rv3d->viewinv[3]);
@@ -441,7 +442,7 @@ static bool walk_ray_cast(bContext *C, RegionView3D *rv3d, WalkInfo *walk, float
float mat[3][3]; /* 3x3 copy of the view matrix so we can move along the view axis */
bool ret;
*ray_distance = TRANSFORM_DIST_MAX_RAY;
*ray_distance = BVH_RAYCAST_DIST_MAX;
copy_v3_v3(ray_start, rv3d->viewinv[3]);
copy_m3_m4(mat, rv3d->viewinv);

8
source/blender/editors/transform/transform_snap.c
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@@ -1544,7 +1544,7 @@ static bool snapDerivedMesh(
if (totvert > 0) {
float imat[4][4];
float timat[3][3]; /* transpose inverse matrix for normals */
float ray_start_local[3], ray_normal_local[3], local_scale, len_diff = TRANSFORM_DIST_MAX_RAY;
float ray_start_local[3], ray_normal_local[3], local_scale, len_diff = BVH_RAYCAST_DIST_MAX;
invert_m4_m4(imat, obmat);
transpose_m3_m4(timat, imat);
@@ -1637,7 +1637,7 @@ static bool snapDerivedMesh(
hit.index = -1;
hit.dist = *ray_depth;
if (hit.dist != TRANSFORM_DIST_MAX_RAY) {
if (hit.dist != BVH_RAYCAST_DIST_MAX) {
hit.dist *= local_scale;
hit.dist -= len_diff;
}
@@ -2081,7 +2081,7 @@ bool snapObjectsTransform(
TransInfo *t, const float mval[2], SnapSelect snap_select,
float r_loc[3], float r_no[3], float *r_dist_px)
{
float ray_dist = TRANSFORM_DIST_MAX_RAY;
float ray_dist = BVH_RAYCAST_DIST_MAX;
Object *obedit = NULL;
Base *base_act = NULL;
@@ -2109,7 +2109,7 @@ bool snapObjectsContext(
Scene *scene = CTX_data_scene(C);
ARegion *ar = CTX_wm_region(C);
Object *obedit = CTX_data_edit_object(C);
float ray_dist = TRANSFORM_DIST_MAX_RAY;
float ray_dist = BVH_RAYCAST_DIST_MAX;
return snapObjects(
scene, v3d, ar, scene->basact, obedit,

4
source/blender/makesrna/intern/rna_object_api.c
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@@ -35,6 +35,7 @@
#include <time.h>
#include "BLI_utildefines.h"
#include "BLI_kdopbvh.h"
#include "RNA_define.h"
@@ -613,7 +614,8 @@ void RNA_api_object(StructRNA *srna)
RNA_def_property_flag(parm, PROP_REQUIRED);
parm = RNA_def_float_vector(func, "direction", 3, NULL, -FLT_MAX, FLT_MAX, "", "", -1e4, 1e4);
RNA_def_property_flag(parm, PROP_REQUIRED);
RNA_def_float(func, "distance", FLT_MAX, 0.0, FLT_MAX, "", "Maximum distance", 0.0, FLT_MAX);
RNA_def_float(func, "distance", BVH_RAYCAST_DIST_MAX, 0.0, BVH_RAYCAST_DIST_MAX,
"", "Maximum distance", 0.0, BVH_RAYCAST_DIST_MAX);
/* return location and normal */
parm = RNA_def_boolean(func, "result", 0, "", "");

4
source/blender/makesrna/intern/rna_scene_api.c
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@@ -33,6 +33,7 @@
#include <stdio.h>
#include "BLI_utildefines.h"
#include "BLI_kdopbvh.h"
#include "BLI_path_util.h"
#include "RNA_define.h"
@@ -232,7 +233,8 @@ void RNA_api_scene(StructRNA *srna)
RNA_def_property_flag(parm, PROP_REQUIRED);
parm = RNA_def_float_vector(func, "direction", 3, NULL, -FLT_MAX, FLT_MAX, "", "", -1e4, 1e4);
RNA_def_property_flag(parm, PROP_REQUIRED);
RNA_def_float(func, "distance", FLT_MAX, 0.0, FLT_MAX, "", "Maximum distance", 0.0, FLT_MAX);
RNA_def_float(func, "distance", BVH_RAYCAST_DIST_MAX, 0.0, BVH_RAYCAST_DIST_MAX,
"", "Maximum distance", 0.0, BVH_RAYCAST_DIST_MAX);
/* return location and normal */
parm = RNA_def_boolean(func, "result", 0, "", "");

2
source/blender/render/intern/source/bake_api.c
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@@ -299,7 +299,7 @@ static bool cast_ray_highpoly(
hits[i].index = -1;
/* TODO: we should use FLT_MAX here, but sweepsphere code isn't prepared for that */
hits[i].dist = 10000.0f;
hits[i].dist = BVH_RAYCAST_DIST_MAX;
/* transform the ray from the world space to the highpoly space */
mul_v3_m4v3(co_high, highpoly[i].imat, co);