diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fluid.c')
| -rw-r--r-- | source/blender/blenkernel/intern/fluid.c | 105 |
1 files changed, 76 insertions, 29 deletions
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c index 079b436a3ea..2245af31f0d 100644 --- a/source/blender/blenkernel/intern/fluid.c +++ b/source/blender/blenkernel/intern/fluid.c @@ -1119,6 +1119,7 @@ static void ensure_obstaclefields(FluidDomainSettings *fds) if (fds->active_fields & FLUID_DOMAIN_ACTIVE_GUIDE) { manta_ensure_guiding(fds->fluid, fds->fmd); } + manta_update_pointers(fds->fluid, fds->fmd, false); } static void update_obstacleflags(FluidDomainSettings *fds, @@ -2596,7 +2597,7 @@ static void ensure_flowsfields(FluidDomainSettings *fds) manta_smoke_ensure_fire(fds->fluid, fds->fmd); } if (fds->active_fields & FLUID_DOMAIN_ACTIVE_COLORS) { - /* initialize all smoke with "active_color" */ + /* Initialize all smoke with "active_color". */ manta_smoke_ensure_colors(fds->fluid, fds->fmd); } if (fds->type == FLUID_DOMAIN_TYPE_LIQUID && @@ -2605,6 +2606,7 @@ static void ensure_flowsfields(FluidDomainSettings *fds) fds->particle_type & FLUID_DOMAIN_PARTICLE_TRACER)) { manta_liquid_ensure_sndparts(fds->fluid, fds->fmd); } + manta_update_pointers(fds->fluid, fds->fmd, false); } static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int numflowobj) @@ -2617,7 +2619,7 @@ static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int n FLUID_DOMAIN_ACTIVE_HEAT | FLUID_DOMAIN_ACTIVE_FIRE); active_fields &= ~prev_flags; - /* Monitor active fields based on flow settings */ + /* Monitor active fields based on flow settings. */ for (flow_index = 0; flow_index < numflowobj; flow_index++) { Object *flow_ob = flowobjs[flow_index]; FluidModifierData *fmd2 = (FluidModifierData *)BKE_modifiers_findby_type(flow_ob, @@ -2628,6 +2630,7 @@ static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int n continue; } + /* Activate specific grids if at least one flow object requires this grid. */ if ((fmd2->type & MOD_FLUID_TYPE_FLOW) && fmd2->flow) { FluidFlowSettings *ffs = fmd2->flow; if (!ffs) { @@ -2648,17 +2651,17 @@ static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int n continue; } - /* activate heat field if flow produces any heat */ - if (ffs->temperature) { + /* Activate heat field if a flow object produces any heat. */ + if (ffs->temperature != 0.0) { active_fields |= FLUID_DOMAIN_ACTIVE_HEAT; } - /* activate fuel field if flow adds any fuel */ - if (ffs->fuel_amount && - (ffs->type == FLUID_FLOW_TYPE_FIRE || ffs->type == FLUID_FLOW_TYPE_SMOKEFIRE)) { + /* Activate fuel field if a flow object is of fire type. */ + if (ffs->fuel_amount != 0.0 || ffs->type == FLUID_FLOW_TYPE_FIRE || + ffs->type == FLUID_FLOW_TYPE_SMOKEFIRE) { active_fields |= FLUID_DOMAIN_ACTIVE_FIRE; } - /* activate color field if flows add smoke with varying colors */ - if (ffs->density && + /* 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)) { if (!(active_fields & FLUID_DOMAIN_ACTIVE_COLOR_SET)) { copy_v3_v3(fds->active_color, ffs->color); @@ -2671,11 +2674,11 @@ static void update_flowsflags(FluidDomainSettings *fds, Object **flowobjs, int n } } } - /* Monitor active fields based on domain settings */ + /* Monitor active fields based on domain settings. */ if (fds->type == FLUID_DOMAIN_TYPE_GAS && active_fields & FLUID_DOMAIN_ACTIVE_FIRE) { - /* heat is always needed for fire */ + /* Heat is always needed for fire. */ active_fields |= FLUID_DOMAIN_ACTIVE_HEAT; - /* also activate colors if domain smoke color differs from active color */ + /* Also activate colors if domain smoke color differs from active color. */ if (!(active_fields & FLUID_DOMAIN_ACTIVE_COLOR_SET)) { copy_v3_v3(fds->active_color, fds->flame_smoke_color); active_fields |= FLUID_DOMAIN_ACTIVE_COLOR_SET; @@ -2924,8 +2927,21 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, float *velx_initial = manta_get_in_velocity_x(fds->fluid); float *vely_initial = manta_get_in_velocity_y(fds->fluid); float *velz_initial = manta_get_in_velocity_z(fds->fluid); - uint z; + float *forcex = manta_get_force_x(fds->fluid); + float *forcey = manta_get_force_y(fds->fluid); + float *forcez = manta_get_force_z(fds->fluid); + + BLI_assert(forcex && forcey && forcez); + + /* Either all or no components have to exist. */ + BLI_assert((color_r && color_g && color_b) || (!color_r && !color_g && !color_b)); + BLI_assert((color_r_in && color_g_in && color_b_in) || + (!color_r_in && !color_g_in && !color_b_in)); + BLI_assert((velx_initial && vely_initial && velz_initial) || + (!velx_initial && !vely_initial && !velz_initial)); + + uint z; /* Grid reset before writing again. */ for (z = 0; z < fds->res[0] * fds->res[1] * fds->res[2]; z++) { /* Only reset static phi on first frame, dynamic phi gets reset every time. */ @@ -2949,7 +2965,7 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, if (heat_in) { heat_in[z] = heat[z]; } - if (color_r_in) { + if (color_r_in && color_g_in && color_b_in) { color_r_in[z] = color_r[z]; color_g_in[z] = color_b[z]; color_b_in[z] = color_g[z]; @@ -2961,11 +2977,15 @@ static void update_flowsfluids(struct Depsgraph *depsgraph, if (emission_in) { emission_in[z] = 0.0f; } - if (velx_initial) { + if (velx_initial && vely_initial && velz_initial) { velx_initial[z] = 0.0f; vely_initial[z] = 0.0f; velz_initial[z] = 0.0f; } + /* Reset forces here as update_effectors() is skipped when no external forces are present. */ + forcex[z] = 0.0f; + forcey[z] = 0.0f; + forcez[z] = 0.0f; } /* Apply emission data for every flow object. */ @@ -3149,13 +3169,13 @@ static void update_effectors_task_cb(void *__restrict userdata, continue; } - /* get velocities from manta grid space and convert to blender units */ + /* Get velocities from manta grid space and convert to blender units. */ vel[0] = data->velocity_x[index]; vel[1] = data->velocity_y[index]; vel[2] = data->velocity_z[index]; mul_v3_fl(vel, fds->dx); - /* convert vel to global space */ + /* Convert vel to global space. */ mag = len_v3(vel); mul_mat3_m4_v3(fds->obmat, vel); normalize_v3(vel); @@ -3166,18 +3186,18 @@ static void update_effectors_task_cb(void *__restrict userdata, voxel_center[2] = fds->p0[2] + fds->cell_size[2] * ((float)(z + fds->res_min[2]) + 0.5f); mul_m4_v3(fds->obmat, voxel_center); - /* do effectors */ + /* Do effectors. */ pd_point_from_loc(data->scene, voxel_center, vel, index, &epoint); BKE_effectors_apply( data->effectors, NULL, fds->effector_weights, &epoint, retvel, NULL, NULL); - /* convert retvel to local space */ + /* Convert retvel to local space. */ mag = len_v3(retvel); mul_mat3_m4_v3(fds->imat, retvel); normalize_v3(retvel); mul_v3_fl(retvel, mag); - /* constrain forces to interval -1 to 1 */ + /* Constrain forces to interval -1 to 1. */ data->force_x[index] = min_ff(max_ff(-1.0f, retvel[0] * 0.2f), 1.0f); data->force_y[index] = min_ff(max_ff(-1.0f, retvel[1] * 0.2f), 1.0f); data->force_z[index] = min_ff(max_ff(-1.0f, retvel[2] * 0.2f), 1.0f); @@ -3617,14 +3637,16 @@ static int manta_step( fds->time_per_frame = time_per_frame; fds->time_total = time_total; } + /* Total time must not exceed framecount times framelength. Correct tiny errors here. */ CLAMP(fds->time_total, fds->time_total, time_total_old + fds->frame_length); + /* Compute shadow grid for gas simulations. Make sure to skip if bake job was canceled early. */ if (fds->type == FLUID_DOMAIN_TYPE_GAS && result) { manta_smoke_calc_transparency(fds, DEG_get_evaluated_view_layer(depsgraph)); } - BLI_mutex_unlock(&object_update_lock); + BLI_mutex_unlock(&object_update_lock); return result; } @@ -3716,29 +3738,35 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, int mode = fds->cache_type; /* Do not process modifier if current frame is out of cache range. */ + bool escape = false; switch (mode) { case FLUID_DOMAIN_CACHE_ALL: case FLUID_DOMAIN_CACHE_MODULAR: if (fds->cache_frame_offset > 0) { if (scene_framenr < fds->cache_frame_start || scene_framenr > fds->cache_frame_end + fds->cache_frame_offset) { - return; + escape = true; } } else { if (scene_framenr < fds->cache_frame_start + fds->cache_frame_offset || scene_framenr > fds->cache_frame_end) { - return; + escape = true; } } break; case FLUID_DOMAIN_CACHE_REPLAY: default: if (scene_framenr < fds->cache_frame_start || scene_framenr > fds->cache_frame_end) { - return; + escape = true; } break; } + /* If modifier will not be processed, update/flush pointers from (old) fluid object once more. */ + if (escape && fds->fluid) { + manta_update_pointers(fds->fluid, fmd, true); + return; + } /* Reset fluid if no fluid present. Also resets active fields. */ if (!fds->fluid) { @@ -3830,7 +3858,15 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, has_mesh = manta_has_mesh(fds->fluid, fmd, scene_framenr); has_particles = manta_has_particles(fds->fluid, fmd, scene_framenr); has_guide = manta_has_guiding(fds->fluid, fmd, scene_framenr, guide_parent); - has_config = false; + has_config = manta_read_config(fds->fluid, fmd, scene_framenr); + + /* When reading data from cache (has_config == true) ensure that active fields are allocated. + * update_flowsflags() and update_obstacleflags() will not find flow sources hidden from renders. + * See also: T72192. */ + if (has_config) { + ensure_flowsfields(fds); + ensure_obstaclefields(fds); + } bool baking_data, baking_noise, baking_mesh, baking_particles, baking_guide; baking_data = fds->cache_flag & FLUID_DOMAIN_BAKING_DATA; @@ -3947,7 +3983,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, /* Read mesh cache. */ if (with_liquid && with_mesh) { - has_config = manta_read_config(fds->fluid, fmd, mesh_frame); + if (mesh_frame != scene_framenr) { + has_config = manta_read_config(fds->fluid, fmd, mesh_frame); + } /* Update mesh data from file is faster than via Python (manta_read_mesh()). */ has_mesh = manta_read_mesh(fds->fluid, fmd, mesh_frame); @@ -3955,7 +3993,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, /* Read particles cache. */ if (with_liquid && with_particles) { - has_config = manta_read_config(fds->fluid, fmd, particles_frame); + if (particles_frame != scene_framenr) { + has_config = manta_read_config(fds->fluid, fmd, particles_frame); + } read_partial = !baking_data && !baking_particles && next_particles; read_all = !read_partial && with_resumable_cache; @@ -3970,7 +4010,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, /* Read noise and data cache */ if (with_smoke && with_noise) { - has_config = manta_read_config(fds->fluid, fmd, noise_frame); + if (noise_frame != scene_framenr) { + has_config = manta_read_config(fds->fluid, fmd, noise_frame); + } /* Only reallocate when just reading cache or when resuming during bake. */ if (has_data && has_config && manta_needs_realloc(fds->fluid, fmd)) { @@ -3988,7 +4030,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, } /* Read data cache only */ else { - has_config = manta_read_config(fds->fluid, fmd, data_frame); + if (data_frame != scene_framenr) { + has_config = manta_read_config(fds->fluid, fmd, data_frame); + } if (with_smoke) { /* Read config and realloc fluid object if needed. */ @@ -4073,6 +4117,9 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *fmd, } } + /* Ensure that fluid pointers are always up to date at the end of modifier processing. */ + manta_update_pointers(fds->fluid, fmd, false); + fds->flags &= ~FLUID_DOMAIN_FILE_LOAD; fmd->time = scene_framenr; } |