diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fluid.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fluid.c | 237 |
1 files changed, 140 insertions, 97 deletions
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index 8697cd03827..578a6a13bb7 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -334,6 +334,14 @@ void BKE_fluid_reallocate_copy_fluid(FluidDomainSettings *mds, manta_free(fluid_old); } +void BKE_fluid_cache_free_all(FluidDomainSettings *mds, Object *ob) +{ + int cache_map = (FLUID_DOMAIN_OUTDATED_DATA | FLUID_DOMAIN_OUTDATED_NOISE | + FLUID_DOMAIN_OUTDATED_MESH | FLUID_DOMAIN_OUTDATED_PARTICLES | + FLUID_DOMAIN_OUTDATED_GUIDE); + BKE_fluid_cache_free(mds, ob, cache_map); +} + void BKE_fluid_cache_free(FluidDomainSettings *mds, Object *ob, int cache_map) { char temp_dir[FILE_MAX]; @@ -1130,7 +1138,18 @@ static void obstacles_from_mesh(Object *coll_ob, } } +static void ensure_obstaclefields(FluidDomainSettings *mds) +{ + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_OBSTACLE) { + manta_ensure_obstacle(mds->fluid, mds->mmd); + } + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_GUIDE) { + manta_ensure_guiding(mds->fluid, mds->mmd); + } +} + static void update_obstacleflags(FluidDomainSettings *mds, + Object *domain, Object **coll_ob_array, int coll_ob_array_len) { @@ -1157,6 +1176,11 @@ static void update_obstacleflags(FluidDomainSettings *mds, if (!mes) { break; } + if (mes->flags & FLUID_EFFECTOR_NEEDS_UPDATE) { + mes->flags &= ~FLUID_EFFECTOR_NEEDS_UPDATE; + BKE_fluid_cache_free_all(mds, domain); + mds->cache_flag |= FLUID_DOMAIN_OUTDATED_DATA; + } if (mes->type == FLUID_EFFECTOR_TYPE_COLLISION) { active_fields |= FLUID_DOMAIN_ACTIVE_OBSTACLE; } @@ -1165,13 +1189,6 @@ static void update_obstacleflags(FluidDomainSettings *mds, } } } - /* Finally, initialize new data fields if any */ - if (active_fields & FLUID_DOMAIN_ACTIVE_OBSTACLE) { - manta_ensure_obstacle(mds->fluid, mds->mmd); - } - if (active_fields & FLUID_DOMAIN_ACTIVE_GUIDE) { - manta_ensure_guiding(mds->fluid, mds->mmd); - } mds->active_fields = active_fields; } @@ -1193,7 +1210,8 @@ static void update_obstacles(Depsgraph *depsgraph, depsgraph, ob, mds->effector_group, &numeffecobjs, eModifierType_Fluid); /* Update all effector related flags and ensure that corresponding grids get initialized. */ - update_obstacleflags(mds, effecobjs, numeffecobjs); + update_obstacleflags(mds, ob, effecobjs, numeffecobjs); + ensure_obstaclefields(mds); /* Initialize effector maps for each flow. */ bb_maps = MEM_callocN(sizeof(struct FluidObjectBB) * numeffecobjs, "fluid_effector_bb_maps"); @@ -2573,21 +2591,49 @@ BLI_INLINE void apply_inflow_fields(FluidFlowSettings *mfs, } } -static void update_flowsflags(FluidDomainSettings *mds, Object **flowobjs, int numflowobj) +static void ensure_flowsfields(FluidDomainSettings *mds) +{ + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_INVEL) { + manta_ensure_invelocity(mds->fluid, mds->mmd); + } + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_OUTFLOW) { + manta_ensure_outflow(mds->fluid, mds->mmd); + } + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_HEAT) { + manta_smoke_ensure_heat(mds->fluid, mds->mmd); + } + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_FIRE) { + manta_smoke_ensure_fire(mds->fluid, mds->mmd); + } + if (mds->active_fields & FLUID_DOMAIN_ACTIVE_COLORS) { + /* initialize all smoke with "active_color" */ + manta_smoke_ensure_colors(mds->fluid, mds->mmd); + } + if (mds->type == FLUID_DOMAIN_TYPE_LIQUID && + (mds->particle_type & FLUID_DOMAIN_PARTICLE_SPRAY || + mds->particle_type & FLUID_DOMAIN_PARTICLE_FOAM || + mds->particle_type & FLUID_DOMAIN_PARTICLE_TRACER)) { + manta_liquid_ensure_sndparts(mds->fluid, mds->mmd); + } +} + +static void update_flowsflags(FluidDomainSettings *mds, + Object *domain, + Object **flowobjs, + int numflowobj) { int active_fields = mds->active_fields; uint flow_index; /* First, remove all flags that we want to update. */ int prev_flags = (FLUID_DOMAIN_ACTIVE_INVEL | FLUID_DOMAIN_ACTIVE_OUTFLOW | - FLUID_DOMAIN_ACTIVE_HEAT | FLUID_DOMAIN_ACTIVE_FIRE | - FLUID_DOMAIN_ACTIVE_COLOR_SET | FLUID_DOMAIN_ACTIVE_COLORS); + FLUID_DOMAIN_ACTIVE_HEAT | FLUID_DOMAIN_ACTIVE_FIRE); active_fields &= ~prev_flags; /* Monitor active fields based on flow settings */ for (flow_index = 0; flow_index < numflowobj; flow_index++) { - Object *coll_ob = flowobjs[flow_index]; - FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(coll_ob, + Object *flow_ob = flowobjs[flow_index]; + FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(flow_ob, eModifierType_Fluid); /* Sanity check. */ @@ -2600,6 +2646,11 @@ static void update_flowsflags(FluidDomainSettings *mds, Object **flowobjs, int n if (!mfs) { break; } + if (mfs->flags & FLUID_FLOW_NEEDS_UPDATE) { + mfs->flags &= ~FLUID_FLOW_NEEDS_UPDATE; + BKE_fluid_cache_free_all(mds, domain); + mds->cache_flag |= FLUID_DOMAIN_OUTDATED_DATA; + } if (mfs->flags & FLUID_FLOW_INITVELOCITY) { active_fields |= FLUID_DOMAIN_ACTIVE_INVEL; } @@ -2648,29 +2699,6 @@ static void update_flowsflags(FluidDomainSettings *mds, Object **flowobjs, int n active_fields |= FLUID_DOMAIN_ACTIVE_COLORS; } } - /* Finally, initialize new data fields if any */ - if (active_fields & FLUID_DOMAIN_ACTIVE_INVEL) { - manta_ensure_invelocity(mds->fluid, mds->mmd); - } - if (active_fields & FLUID_DOMAIN_ACTIVE_OUTFLOW) { - manta_ensure_outflow(mds->fluid, mds->mmd); - } - if (active_fields & FLUID_DOMAIN_ACTIVE_HEAT) { - manta_smoke_ensure_heat(mds->fluid, mds->mmd); - } - if (active_fields & FLUID_DOMAIN_ACTIVE_FIRE) { - manta_smoke_ensure_fire(mds->fluid, mds->mmd); - } - if (active_fields & FLUID_DOMAIN_ACTIVE_COLORS) { - /* initialize all smoke with "active_color" */ - manta_smoke_ensure_colors(mds->fluid, mds->mmd); - } - if (mds->type == FLUID_DOMAIN_TYPE_LIQUID && - (mds->particle_type & FLUID_DOMAIN_PARTICLE_SPRAY || - mds->particle_type & FLUID_DOMAIN_PARTICLE_FOAM || - mds->particle_type & FLUID_DOMAIN_PARTICLE_TRACER)) { - manta_liquid_ensure_sndparts(mds->fluid, mds->mmd); - } mds->active_fields = active_fields; } @@ -2692,7 +2720,8 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, depsgraph, ob, mds->fluid_group, &numflowobj, eModifierType_Fluid); /* Update all flow related flags and ensure that corresponding grids get initialized. */ - update_flowsflags(mds, flowobjs, numflowobj); + update_flowsflags(mds, ob, flowobjs, numflowobj); + ensure_flowsfields(mds); /* Initialize emission maps for each flow. */ bb_maps = MEM_callocN(sizeof(struct FluidObjectBB) * numflowobj, "fluid_flow_bb_maps"); @@ -3566,6 +3595,7 @@ static int manta_step( break; } + /* Only bake if the domain is bigger than one cell (important for adaptive domain). */ if (mds->total_cells > 1) { update_effectors(depsgraph, scene, ob, mds, dt); manta_bake_data(mds->fluid, mmd, frame); @@ -3585,7 +3615,7 @@ static int manta_step( } } - if (mds->type == FLUID_DOMAIN_TYPE_GAS) { + if (mds->type == FLUID_DOMAIN_TYPE_GAS && result) { manta_smoke_calc_transparency(mds, DEG_get_evaluated_view_layer(depsgraph)); } BLI_mutex_unlock(&object_update_lock); @@ -3684,8 +3714,35 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, return; } + bool bake_outdated = mds->cache_flag & + (FLUID_DOMAIN_OUTDATED_DATA | FLUID_DOMAIN_OUTDATED_NOISE | + FLUID_DOMAIN_OUTDATED_MESH | FLUID_DOMAIN_OUTDATED_PARTICLES | + FLUID_DOMAIN_OUTDATED_GUIDE); + + /* Exit early if cache is outdated. */ + if (bake_outdated) { + return; + } + + /* Ensure cache directory is not relative. */ + const char *relbase = modifier_path_relbase_from_global(ob); + BLI_path_abs(mds->cache_directory, relbase); + + objs = BKE_collision_objects_create( + depsgraph, ob, mds->fluid_group, &numobj, eModifierType_Fluid); + update_flowsflags(mds, ob, objs, numobj); + if (objs) { + MEM_freeN(objs); + } + objs = BKE_collision_objects_create( + depsgraph, ob, mds->effector_group, &numobj, eModifierType_Fluid); + update_obstacleflags(mds, ob, objs, numobj); + if (objs) { + MEM_freeN(objs); + } + /* Reset fluid if no fluid present. */ - if (!mds->fluid) { + if (!mds->fluid || mds->cache_flag & FLUID_DOMAIN_OUTDATED_DATA) { BKE_fluid_modifier_reset_ex(mmd, false); /* Fluid domain init must not fail in order to continue modifier evaluation. */ @@ -3712,23 +3769,10 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, /* Get distance between cache start and current frame for total time. */ mds->time_total = abs(scene_framenr - mds->cache_frame_start) * mds->frame_length; - objs = BKE_collision_objects_create( - depsgraph, ob, mds->fluid_group, &numobj, eModifierType_Fluid); - update_flowsflags(mds, objs, numobj); - if (objs) { - MEM_freeN(objs); - } - - objs = BKE_collision_objects_create( - depsgraph, ob, mds->effector_group, &numobj, eModifierType_Fluid); - update_obstacleflags(mds, objs, numobj); - if (objs) { - MEM_freeN(objs); - } - - /* Ensure cache directory is not relative. */ - const char *relbase = modifier_path_relbase_from_global(ob); - BLI_path_abs(mds->cache_directory, relbase); + int next_frame = scene_framenr + 1; + int prev_frame = scene_framenr - 1; + /* Ensure positivity of previous frame. */ + CLAMP(prev_frame, mds->cache_frame_start, prev_frame); int data_frame = scene_framenr, noise_frame = scene_framenr; int mesh_frame = scene_framenr, particles_frame = scene_framenr, guide_frame = scene_framenr; @@ -3751,17 +3795,18 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, with_particles = drops || bubble || floater; bool has_data, has_noise, has_mesh, has_particles, has_guide; - has_data = has_noise = has_mesh = has_particles = has_guide = false; + has_data = manta_has_data(mds->fluid, mmd, scene_framenr); + has_noise = manta_has_noise(mds->fluid, mmd, scene_framenr); + has_mesh = manta_has_mesh(mds->fluid, mmd, scene_framenr); + has_particles = manta_has_particles(mds->fluid, mmd, scene_framenr); + has_guide = manta_has_guiding(mds->fluid, mmd, scene_framenr, guide_parent); - bool baking_data, baking_noise, baking_mesh, baking_particles, baking_guide, bake_outdated; + bool baking_data, baking_noise, baking_mesh, baking_particles, baking_guide; baking_data = mds->cache_flag & FLUID_DOMAIN_BAKING_DATA; baking_noise = mds->cache_flag & FLUID_DOMAIN_BAKING_NOISE; baking_mesh = mds->cache_flag & FLUID_DOMAIN_BAKING_MESH; baking_particles = mds->cache_flag & FLUID_DOMAIN_BAKING_PARTICLES; baking_guide = mds->cache_flag & FLUID_DOMAIN_BAKING_GUIDE; - bake_outdated = mds->cache_flag & (FLUID_DOMAIN_OUTDATED_DATA | FLUID_DOMAIN_OUTDATED_NOISE | - FLUID_DOMAIN_OUTDATED_MESH | FLUID_DOMAIN_OUTDATED_PARTICLES | - FLUID_DOMAIN_OUTDATED_GUIDE); bool resume_data, resume_noise, resume_mesh, resume_particles, resume_guide; resume_data = (!is_startframe) && (mds->cache_frame_pause_data == scene_framenr); @@ -3775,35 +3820,27 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, bake_cache = baking_data || baking_noise || baking_mesh || baking_particles || baking_guide; bool next_data, next_noise, next_mesh, next_particles, next_guide; - next_data = manta_has_data(mds->fluid, mmd, scene_framenr + 1); - next_noise = manta_has_noise(mds->fluid, mmd, scene_framenr + 1); - next_mesh = manta_has_mesh(mds->fluid, mmd, scene_framenr + 1); - next_particles = manta_has_particles(mds->fluid, mmd, scene_framenr + 1); - next_guide = manta_has_guiding(mds->fluid, mmd, scene_framenr + 1, guide_parent); + next_data = manta_has_data(mds->fluid, mmd, next_frame); + next_noise = manta_has_noise(mds->fluid, mmd, next_frame); + next_mesh = manta_has_mesh(mds->fluid, mmd, next_frame); + next_particles = manta_has_particles(mds->fluid, mmd, next_frame); + next_guide = manta_has_guiding(mds->fluid, mmd, next_frame, guide_parent); bool prev_data, prev_noise, prev_mesh, prev_particles, prev_guide; - prev_data = manta_has_data(mds->fluid, mmd, scene_framenr - 1); - prev_noise = manta_has_noise(mds->fluid, mmd, scene_framenr - 1); - prev_mesh = manta_has_mesh(mds->fluid, mmd, scene_framenr - 1); - prev_particles = manta_has_particles(mds->fluid, mmd, scene_framenr - 1); - prev_guide = manta_has_guiding(mds->fluid, mmd, scene_framenr - 1, guide_parent); - - /* Unused for now, but needed for proper caching. */ - UNUSED_VARS(prev_guide); - UNUSED_VARS(next_noise); - UNUSED_VARS(next_mesh); - UNUSED_VARS(next_particles); - UNUSED_VARS(next_guide); + prev_data = manta_has_data(mds->fluid, mmd, prev_frame); + prev_noise = manta_has_noise(mds->fluid, mmd, prev_frame); + prev_mesh = manta_has_mesh(mds->fluid, mmd, prev_frame); + prev_particles = manta_has_particles(mds->fluid, mmd, prev_frame); + prev_guide = manta_has_guiding(mds->fluid, mmd, prev_frame, guide_parent); + + /* Unused for now. */ + UNUSED_VARS(prev_guide, next_mesh, next_guide); bool with_gdomain; with_gdomain = (mds->guide_source == FLUID_DOMAIN_GUIDE_SRC_DOMAIN); int o_res[3], o_min[3], o_max[3], o_shift[3]; int mode = mds->cache_type; - int prev_frame = scene_framenr - 1; - - /* Ensure positivity of previous frame. */ - CLAMP(prev_frame, 1, prev_frame); /* Cache mode specific settings. */ switch (mode) { @@ -3851,21 +3888,23 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, break; case FLUID_DOMAIN_CACHE_REPLAY: default: + baking_data = !has_data && (is_startframe || prev_data); + if (with_smoke && with_noise) { + baking_noise = !has_noise && (is_startframe || prev_noise); + } + if (with_liquid && with_mesh) { + baking_mesh = !has_mesh && (is_startframe || prev_mesh); + } + if (with_liquid && with_particles) { + baking_particles = !has_particles && (is_startframe || prev_particles); + } + /* Always trying to read the cache in replay mode. */ read_cache = true; bake_cache = false; break; } - /* Cache outdated? If so reset, don't read, and then just rebake. - * Note: Only do this in replay mode! */ - bool mode_replay = (mode == FLUID_DOMAIN_CACHE_REPLAY); - if (bake_outdated && mode_replay) { - read_cache = false; - bake_cache = true; - BKE_fluid_cache_free(mds, ob, mds->cache_flag); - } - /* Try to read from cache and keep track of read success. */ if (read_cache) { @@ -3877,7 +3916,7 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, /* Read particles cache. */ if (with_liquid && with_particles) { - if (!baking_data && !baking_particles && !mode_replay) { + if (!baking_data && !baking_particles && next_particles) { /* Update particle data from file is faster than via Python (manta_read_particles()). */ has_particles = manta_update_particle_structures(mds->fluid, mmd, particles_frame); } @@ -3901,8 +3940,8 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, manta_needs_realloc(mds->fluid, mmd)) { BKE_fluid_reallocate_fluid(mds, mds->res, 1); } - if (!baking_data && !baking_noise && !mode_replay) { - has_data = manta_update_noise_structures(mds->fluid, mmd, noise_frame); + if (!baking_data && !baking_noise && next_noise) { + has_noise = manta_update_noise_structures(mds->fluid, mmd, noise_frame); } else { has_noise = manta_read_noise(mds->fluid, mmd, noise_frame); @@ -3921,8 +3960,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, mds, o_res, mds->res, o_min, mds->res_min, o_max, o_shift, mds->shift); } } - if (!baking_data && !baking_noise && !mode_replay) { - /* TODO (sebbas): Confirm if this read call is really needed or not. */ + if (!baking_data && !baking_noise && next_data && next_noise) { + /* TODO (sebbas): Confirm if this read call is really needed or not. + * Currently only important to load the shadow grid. */ has_data = manta_update_smoke_structures(mds->fluid, mmd, data_frame); } else { @@ -3946,7 +3986,7 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, } } if (with_liquid) { - if (!baking_data && !baking_particles && !baking_mesh && !mode_replay) { + if (!baking_data && !baking_particles && !baking_mesh && next_data) { has_data = manta_update_liquid_structures(mds->fluid, mmd, data_frame); } else { @@ -3960,6 +4000,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd, switch (mode) { case FLUID_DOMAIN_CACHE_FINAL: case FLUID_DOMAIN_CACHE_MODULAR: + if (!baking_data && !baking_noise && !baking_mesh && !baking_particles && !baking_guide) { + bake_cache = false; + } break; case FLUID_DOMAIN_CACHE_REPLAY: default: |