diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fluid.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fluid.c | 77 |
1 files changed, 28 insertions, 49 deletions
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index e272b71acb8..0c9e352da12 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -1030,7 +1030,6 @@ static void obstacles_from_mesh(Object *coll_ob, CustomData_set_layer(&me->vdata, CD_MVERT, me->mvert); } - BKE_mesh_ensure_normals(me); mvert = me->mvert; mloop = me->mloop; looptri = BKE_mesh_runtime_looptri_ensure(me); @@ -1053,9 +1052,11 @@ static void obstacles_from_mesh(Object *coll_ob, } } - /* Transform mesh vertices to domain grid space for fast lookups */ + /* Transform mesh vertices to domain grid space for fast lookups. + * This is valid because the mesh is copied above. */ + BKE_mesh_vertex_normals_ensure(me); + float(*vert_normals)[3] = BKE_mesh_vertex_normals_for_write(me); for (i = 0; i < numverts; i++) { - float n[3]; float co[3]; /* Vertex position. */ @@ -1063,11 +1064,9 @@ static void obstacles_from_mesh(Object *coll_ob, manta_pos_to_cell(fds, mvert[i].co); /* Vertex normal. */ - normal_short_to_float_v3(n, mvert[i].no); - mul_mat3_m4_v3(coll_ob->obmat, n); - mul_mat3_m4_v3(fds->imat, n); - normalize_v3(n); - normal_float_to_short_v3(mvert[i].no, n); + mul_mat3_m4_v3(coll_ob->obmat, vert_normals[i]); + mul_mat3_m4_v3(fds->imat, vert_normals[i]); + normalize_v3(vert_normals[i]); /* Vertex velocity. */ add_v3fl_v3fl_v3i(co, mvert[i].co, fds->shift); @@ -1826,6 +1825,7 @@ static void update_distances(int index, static void sample_mesh(FluidFlowSettings *ffs, const MVert *mvert, + const float (*vert_normals)[3], const MLoop *mloop, const MLoopTri *mlooptri, const MLoopUV *mloopuv, @@ -1906,7 +1906,7 @@ static void sample_mesh(FluidFlowSettings *ffs, tree_data->tree, ray_start, &nearest, tree_data->nearest_callback, tree_data) != -1) { float weights[3]; int v1, v2, v3, f_index = nearest.index; - float n1[3], n2[3], n3[3], hit_normal[3]; + float hit_normal[3]; /* Calculate barycentric weights for nearest point. */ v1 = mloop[mlooptri[f_index].tri[0]].v; @@ -1969,10 +1969,8 @@ static void sample_mesh(FluidFlowSettings *ffs, /* Apply normal directional velocity. */ if (ffs->vel_normal) { /* Interpolate vertex normal vectors to get nearest point normal. */ - normal_short_to_float_v3(n1, mvert[v1].no); - normal_short_to_float_v3(n2, mvert[v2].no); - normal_short_to_float_v3(n3, mvert[v3].no); - interp_v3_v3v3v3(hit_normal, n1, n2, n3, weights); + interp_v3_v3v3v3( + hit_normal, vert_normals[v1], vert_normals[v2], vert_normals[v3], weights); normalize_v3(hit_normal); /* Apply normal directional velocity. */ @@ -2022,6 +2020,7 @@ typedef struct EmitFromDMData { FluidFlowSettings *ffs; const MVert *mvert; + const float (*vert_normals)[3]; const MLoop *mloop; const MLoopTri *mlooptri; const MLoopUV *mloopuv; @@ -2056,6 +2055,7 @@ static void emit_from_mesh_task_cb(void *__restrict userdata, (data->ffs->behavior == FLUID_FLOW_BEHAVIOR_INFLOW)) { sample_mesh(data->ffs, data->mvert, + data->vert_normals, data->mloop, data->mlooptri, data->mloopuv, @@ -2117,7 +2117,6 @@ static void emit_from_mesh( CustomData_set_layer(&me->vdata, CD_MVERT, me->mvert); } - BKE_mesh_ensure_normals(me); mvert = me->mvert; mloop = me->mloop; mlooptri = BKE_mesh_runtime_looptri_ensure(me); @@ -2140,20 +2139,19 @@ static void emit_from_mesh( } } - /* Transform mesh vertices to domain grid space for fast lookups */ + /* Transform mesh vertices to domain grid space for fast lookups. + * This is valid because the mesh is copied above. */ + BKE_mesh_vertex_normals_ensure(me); + float(*vert_normals)[3] = BKE_mesh_vertex_normals_for_write(me); for (i = 0; i < numverts; i++) { - float n[3]; - /* Vertex position. */ mul_m4_v3(flow_ob->obmat, mvert[i].co); manta_pos_to_cell(fds, mvert[i].co); /* Vertex normal. */ - normal_short_to_float_v3(n, mvert[i].no); - mul_mat3_m4_v3(flow_ob->obmat, n); - mul_mat3_m4_v3(fds->imat, n); - normalize_v3(n); - normal_float_to_short_v3(mvert[i].no, n); + mul_mat3_m4_v3(flow_ob->obmat, vert_normals[i]); + mul_mat3_m4_v3(fds->imat, vert_normals[i]); + normalize_v3(vert_normals[i]); /* Vertex velocity. */ if (ffs->flags & FLUID_FLOW_INITVELOCITY) { @@ -2193,6 +2191,7 @@ static void emit_from_mesh( .fds = fds, .ffs = ffs, .mvert = mvert, + .vert_normals = vert_normals, .mloop = mloop, .mlooptri = mlooptri, .mloopuv = mloopuv, @@ -2676,7 +2675,7 @@ static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int n } /* Activate color field if flows add smoke with varying colors. */ if (ffs->density != 0.0 && - (ffs->type == FLUID_FLOW_TYPE_SMOKE || ffs->type == FLUID_FLOW_TYPE_SMOKEFIRE)) { + ELEM(ffs->type, FLUID_FLOW_TYPE_SMOKE, FLUID_FLOW_TYPE_SMOKEFIRE)) { if (!(active_fields & FLUID_DOMAIN_ACTIVE_COLOR_SET)) { copy_v3_v3(fds->active_color, ffs->color); active_fields |= FLUID_DOMAIN_ACTIVE_COLOR_SET; @@ -3265,8 +3264,6 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, MVert *mverts; MPoly *mpolys; MLoop *mloops; - short *normals, *no_s; - float no[3]; float min[3]; float max[3]; float size[3]; @@ -3285,26 +3282,23 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, const char mp_flag = mp_example.flag; int i; - int num_verts, num_normals, num_faces; + int num_verts, num_faces; if (!fds->fluid) { return NULL; } num_verts = manta_liquid_get_num_verts(fds->fluid); - num_normals = manta_liquid_get_num_normals(fds->fluid); num_faces = manta_liquid_get_num_triangles(fds->fluid); # ifdef DEBUG_PRINT /* Debugging: Print number of vertices, normals, and faces. */ - printf("num_verts: %d, num_normals: %d, num_faces: %d\n", num_verts, num_normals, num_faces); + printf("num_verts: %d, num_faces: %d\n", num_verts, num_faces); # endif if (!num_verts || !num_faces) { return NULL; } - /* Normals are per vertex, so these must match. */ - BLI_assert(num_verts == num_normals); me = BKE_mesh_new_nomain(num_verts, 0, 0, num_faces * 3, num_faces); if (!me) { @@ -3334,9 +3328,6 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, co_offset[1] = (fds->p0[1] + fds->p1[1]) / 2.0f; co_offset[2] = (fds->p0[2] + fds->p1[2]) / 2.0f; - /* Normals. */ - normals = MEM_callocN(sizeof(short[3]) * num_normals, "Fluidmesh_tmp_normals"); - /* Velocities. */ /* If needed, vertex velocities will be read too. */ bool use_speedvectors = fds->flags & FLUID_DOMAIN_USE_SPEED_VECTORS; @@ -3350,7 +3341,7 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, } /* Loop for vertices and normals. */ - for (i = 0, no_s = normals; i < num_verts && i < num_normals; i++, mverts++, no_s += 3) { + for (i = 0; i < num_verts; i++, mverts++) { /* Vertices (data is normalized cube around domain origin). */ mverts->co[0] = manta_liquid_get_vertex_x_at(fds->fluid, i); @@ -3376,12 +3367,6 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, mverts->co[2]); # endif - /* Normals (data is normalized cube around domain origin). */ - no[0] = manta_liquid_get_normal_x_at(fds->fluid, i); - no[1] = manta_liquid_get_normal_y_at(fds->fluid, i); - no[2] = manta_liquid_get_normal_z_at(fds->fluid, i); - - normal_float_to_short_v3(no_s, no); # ifdef DEBUG_PRINT /* Debugging: Print coordinates of normals. */ printf("no_s[0]: %d, no_s[1]: %d, no_s[2]: %d\n", no_s[0], no_s[1], no_s[2]); @@ -3425,11 +3410,7 @@ static Mesh *create_liquid_geometry(FluidDomainSettings *fds, # endif } - BKE_mesh_ensure_normals(me); BKE_mesh_calc_edges(me, false, false); - BKE_mesh_vert_normals_apply(me, (short(*)[3])normals); - - MEM_freeN(normals); return me; } @@ -4437,8 +4418,6 @@ static void manta_smoke_calc_transparency(FluidDomainSettings *fds, ViewLayer *v } } -/* Get fluid velocity and density at given coordinates - * Returns fluid density or -1.0f if outside domain. */ float BKE_fluid_get_velocity_at(struct Object *ob, float position[3], float velocity[3]) { FluidModifierData *fmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid); @@ -4575,10 +4554,10 @@ void BKE_fluid_particle_system_destroy(struct Object *ob, const int particle_typ } } -#endif /* WITH_FLUID */ - /** \} */ +#endif /* WITH_FLUID */ + /* -------------------------------------------------------------------- */ /** \name Public Data Access API * @@ -5090,7 +5069,7 @@ void BKE_fluid_modifier_copy(const struct FluidModifierData *fmd, copy_v4_v4(tfds->gridlines_range_color, fds->gridlines_range_color); tfds->gridlines_cell_filter = fds->gridlines_cell_filter; - /* -- Deprecated / unsed options (below)-- */ + /* -- Deprecated / unused options (below)-- */ /* pointcache options */ BKE_ptcache_free_list(&(tfds->ptcaches[0])); |