diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fluid.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fluid.c | 124 |
1 files changed, 76 insertions, 48 deletions
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index 366137b5fa6..dc872b933eb 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -39,6 +39,7 @@ #include "BKE_effect.h" #include "BKE_fluid.h" +#include "BKE_global.h" #include "BKE_lib_id.h" #include "BKE_modifier.h" #include "BKE_pointcache.h" @@ -1893,40 +1894,6 @@ static void sample_mesh(FluidFlowSettings *mfs, v3 = mloop[mlooptri[f_index].tri[2]].v; interp_weights_tri_v3(weights, mvert[v1].co, mvert[v2].co, mvert[v3].co, nearest.co); - /* Initial velocity of flow object. */ - if (mfs->flags & FLUID_FLOW_INITVELOCITY && velocity_map) { - /* Apply normal directional velocity. */ - if (mfs->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); - normalize_v3(hit_normal); - - /* Apply normal directional velocity. */ - velocity_map[index * 3] += hit_normal[0] * mfs->vel_normal * 0.25f; - velocity_map[index * 3 + 1] += hit_normal[1] * mfs->vel_normal * 0.25f; - velocity_map[index * 3 + 2] += hit_normal[2] * mfs->vel_normal * 0.25f; - } - /* Apply object velocity. */ - if (has_velocity && mfs->vel_multi) { - float hit_vel[3]; - interp_v3_v3v3v3( - hit_vel, &vert_vel[v1 * 3], &vert_vel[v2 * 3], &vert_vel[v3 * 3], weights); - velocity_map[index * 3] += hit_vel[0] * mfs->vel_multi; - velocity_map[index * 3 + 1] += hit_vel[1] * mfs->vel_multi; - velocity_map[index * 3 + 2] += hit_vel[2] * mfs->vel_multi; -# ifdef DEBUG_PRINT - /* Debugging: Print flow object velocities. */ - printf("adding flow object vel: [%f, %f, %f]\n", hit_vel[0], hit_vel[1], hit_vel[2]); -# endif - } - velocity_map[index * 3] += mfs->vel_coord[0]; - velocity_map[index * 3 + 1] += mfs->vel_coord[1]; - velocity_map[index * 3 + 2] += mfs->vel_coord[2]; - } - /* Compute emission strength for smoke flow. */ if (is_gas_flow) { /* Emission from surface is based on UI configurable distance value. */ @@ -1976,6 +1943,40 @@ static void sample_mesh(FluidFlowSettings *mfs, emission_strength *= texres.tin; } } + + /* Initial velocity of flow object. Only compute velocity if emission is present. */ + if (mfs->flags & FLUID_FLOW_INITVELOCITY && velocity_map && emission_strength != 0.0) { + /* Apply normal directional velocity. */ + if (mfs->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); + normalize_v3(hit_normal); + + /* Apply normal directional velocity. */ + velocity_map[index * 3] += hit_normal[0] * mfs->vel_normal * 0.25f; + velocity_map[index * 3 + 1] += hit_normal[1] * mfs->vel_normal * 0.25f; + velocity_map[index * 3 + 2] += hit_normal[2] * mfs->vel_normal * 0.25f; + } + /* Apply object velocity. */ + if (has_velocity && mfs->vel_multi) { + float hit_vel[3]; + interp_v3_v3v3v3( + hit_vel, &vert_vel[v1 * 3], &vert_vel[v2 * 3], &vert_vel[v3 * 3], weights); + velocity_map[index * 3] += hit_vel[0] * mfs->vel_multi; + velocity_map[index * 3 + 1] += hit_vel[1] * mfs->vel_multi; + velocity_map[index * 3 + 2] += hit_vel[2] * mfs->vel_multi; +# ifdef DEBUG_PRINT + /* Debugging: Print flow object velocities. */ + printf("adding flow object vel: [%f, %f, %f]\n", hit_vel[0], hit_vel[1], hit_vel[2]); +# endif + } + velocity_map[index * 3] += mfs->vel_coord[0]; + velocity_map[index * 3 + 1] += mfs->vel_coord[1]; + velocity_map[index * 3 + 2] += mfs->vel_coord[2]; + } } /* Apply final influence value but also consider volume initialization factor. */ @@ -3524,7 +3525,7 @@ static Mesh *create_smoke_geometry(FluidDomainSettings *mds, Mesh *orgmesh, Obje return result; } -static void manta_step( +static int manta_step( Depsgraph *depsgraph, Scene *scene, Object *ob, Mesh *me, FluidModifierData *mmd, int frame) { FluidDomainSettings *mds = mmd->domain; @@ -3532,17 +3533,22 @@ static void manta_step( float time_per_frame; bool init_resolution = true; - /* update object state */ + /* Store baking success - bake might be aborted anytime by user. */ + int result = 1; + int mode = mds->cache_type; + bool mode_replay = (mode == FLUID_DOMAIN_CACHE_REPLAY); + + /* Update object state. */ invert_m4_m4(mds->imat, ob->obmat); copy_m4_m4(mds->obmat, ob->obmat); - /* gas domain might use adaptive domain */ + /* Gas domain might use adaptive domain. */ if (mds->type == FLUID_DOMAIN_TYPE_GAS) { init_resolution = (mds->flags & FLUID_DOMAIN_USE_ADAPTIVE_DOMAIN) != 0; } manta_set_domain_from_mesh(mds, ob, me, init_resolution); - /* use local variables for adaptive loop, dt can change */ + /* Use local variables for adaptive loop, dt can change. */ frame_length = mds->frame_length; dt = mds->dt; time_per_frame = 0; @@ -3550,27 +3556,39 @@ static void manta_step( BLI_mutex_lock(&object_update_lock); - /* loop as long as time_per_frame (sum of sub dt's) does not exceed actual framelength */ + /* Loop as long as time_per_frame (sum of sub dt's) does not exceed actual framelength. */ while (time_per_frame < frame_length) { manta_adapt_timestep(mds->fluid); dt = manta_get_timestep(mds->fluid); - /* save adapted dt so that MANTA object can access it (important when adaptive domain creates - * new MANTA object) */ + /* Save adapted dt so that MANTA object can access it (important when adaptive domain creates + * new MANTA object). */ mds->dt = dt; - /* count for how long this while loop is running */ + /* Count for how long this while loop is running. */ time_per_frame += dt; time_total += dt; - /* Calculate inflow geometry */ + /* Calculate inflow geometry. */ update_flowsfluids(depsgraph, scene, ob, mds, time_per_frame, frame_length, frame, dt); + /* If user requested stop, quit baking */ + if (G.is_break && !mode_replay) { + result = 0; + break; + } + manta_update_variables(mds->fluid, mmd); - /* Calculate obstacle geometry */ + /* Calculate obstacle geometry. */ update_obstacles(depsgraph, scene, ob, mds, time_per_frame, frame_length, frame, dt); + /* If user requested stop, quit baking */ + if (G.is_break && !mode_replay) { + result = 0; + break; + } + if (mds->total_cells > 1) { update_effectors(depsgraph, scene, ob, mds, dt); manta_bake_data(mds->fluid, mmd, frame); @@ -3578,12 +3596,20 @@ static void manta_step( mds->time_per_frame = time_per_frame; mds->time_total = time_total; } + + /* If user requested stop, quit baking */ + if (G.is_break && !mode_replay) { + result = 0; + break; + } } if (mds->type == FLUID_DOMAIN_TYPE_GAS) { manta_smoke_calc_transparency(mds, DEG_get_evaluated_view_layer(depsgraph)); } BLI_mutex_unlock(&object_update_lock); + + return result; } static void manta_guiding( @@ -3952,9 +3978,11 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, manta_guiding(depsgraph, scene, ob, mmd, scene_framenr); } if (baking_data) { - manta_step(depsgraph, scene, ob, me, mmd, scene_framenr); - manta_write_config(mds->fluid, mmd, scene_framenr); - manta_write_data(mds->fluid, mmd, scene_framenr); + /* Only save baked data if all of it completed successfully. */ + if (manta_step(depsgraph, scene, ob, me, mmd, scene_framenr)) { + manta_write_config(mds->fluid, mmd, scene_framenr); + manta_write_data(mds->fluid, mmd, scene_framenr); + } } if (has_data || baking_data) { if (baking_noise && with_smoke && with_noise) { @@ -4851,7 +4879,7 @@ void BKE_fluid_modifier_create_type_data(struct FluidModifierData *mmd) #else mmd->domain->openvdb_comp = VDB_COMPRESSION_ZIP; #endif - mmd->domain->clipping = 1e-3f; + mmd->domain->clipping = 1e-6f; mmd->domain->data_depth = 0; } else if (mmd->type & MOD_FLUID_TYPE_FLOW) { |