diff options
Diffstat (limited to 'servers/rendering')
| -rw-r--r-- | servers/rendering/rasterizer.h | 24 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp | 33 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h | 1 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp | 17 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_scene_rd.h | 3 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp | 413 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_storage_rd.h | 100 | ||||
| -rw-r--r-- | servers/rendering/rasterizer_rd/shaders/particles.glsl | 333 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_raster.cpp | 3 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_raster.h | 16 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_scene.cpp | 50 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_scene.h | 3 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_wrap_mt.cpp | 1 | ||||
| -rw-r--r-- | servers/rendering/rendering_server_wrap_mt.h | 17 | ||||
| -rw-r--r-- | servers/rendering/shader_types.cpp | 5 |
15 files changed, 924 insertions, 95 deletions
diff --git a/servers/rendering/rasterizer.h b/servers/rendering/rasterizer.h index a24189bdd7..84c04f34b6 100644 --- a/servers/rendering/rasterizer.h +++ b/servers/rendering/rasterizer.h @@ -299,6 +299,7 @@ public: virtual void render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0; virtual void render_sdfgi(RID p_render_buffers, int p_region, InstanceBase **p_cull_result, int p_cull_count) = 0; virtual void render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count) = 0; + virtual void render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count) = 0; virtual void set_scene_pass(uint64_t p_pass) = 0; virtual void set_time(double p_time, double p_step) = 0; @@ -660,6 +661,7 @@ public: virtual void particles_set_process_material(RID p_particles, RID p_material) = 0; virtual void particles_set_fixed_fps(RID p_particles, int p_fps) = 0; virtual void particles_set_fractional_delta(RID p_particles, bool p_enable) = 0; + virtual void particles_set_collision_base_size(RID p_particles, float p_size) = 0; virtual void particles_restart(RID p_particles) = 0; virtual void particles_emit(RID p_particles, const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) = 0; virtual void particles_set_subemitter(RID p_particles, RID p_subemitter_particles) = 0; @@ -682,6 +684,28 @@ public: virtual void particles_set_view_axis(RID p_particles, const Vector3 &p_axis) = 0; + virtual void particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) = 0; + virtual void particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) = 0; + + virtual void update_particles() = 0; + + /* PARTICLES COLLISION */ + + virtual RID particles_collision_create() = 0; + virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) = 0; + virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) = 0; + virtual void particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius) = 0; //for spheres + virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) = 0; //for non-spheres + virtual void particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength) = 0; + virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality) = 0; + virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve) = 0; + virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) = 0; //for SDF and vector field, heightfield is dynamic + virtual void particles_collision_height_field_update(RID p_particles_collision) = 0; //for SDF and vector field + virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) = 0; //for SDF and vector field + virtual AABB particles_collision_get_aabb(RID p_particles_collision) const = 0; + virtual bool particles_collision_is_heightfield(RID p_particles_collision) const = 0; + virtual RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const = 0; + /* GLOBAL VARIABLES */ virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) = 0; diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp index c56c208098..ac028e93f1 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.cpp @@ -2018,6 +2018,39 @@ void RasterizerSceneHighEndRD::_render_shadow(RID p_framebuffer, InstanceBase ** } } +void RasterizerSceneHighEndRD::_render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count) { + RENDER_TIMESTAMP("Setup Render Collider Heightfield"); + + _update_render_base_uniform_set(); + + render_pass++; + + scene_state.ubo.dual_paraboloid_side = 0; + + _setup_environment(RID(), RID(), p_cam_projection, p_cam_transform, RID(), true, Vector2(1, 1), RID(), true, Color(), 0, p_cam_projection.get_z_far(), false, false); + + render_list.clear(); + + PassMode pass_mode = PASS_MODE_SHADOW; + + _fill_render_list(p_cull_result, p_cull_count, pass_mode); + + _setup_view_dependant_uniform_set(RID(), RID(), nullptr, 0); + + RENDER_TIMESTAMP("Render Collider Heightield"); + + render_list.sort_by_key(false); + + _fill_instances(render_list.elements, render_list.element_count, true); + + { + //regular forward for now + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_READ); + _render_list(draw_list, RD::get_singleton()->framebuffer_get_format(p_fb), render_list.elements, render_list.element_count, false, pass_mode, true, RID(), RID()); + RD::get_singleton()->draw_list_end(); + } +} + void RasterizerSceneHighEndRD::_render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) { RENDER_TIMESTAMP("Setup Rendering Material"); diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h index 1aad9039ff..4c89928c95 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_high_end_rd.h @@ -581,6 +581,7 @@ protected: virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region); virtual void _render_uv2(InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region); virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, InstanceBase **p_cull_result, int p_cull_count, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture); + virtual void _render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count); public: virtual void set_time(double p_time, double p_step); diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp index 958d8eac1f..934330cc9b 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp @@ -7511,6 +7511,23 @@ void RasterizerSceneRD::render_sdfgi(RID p_render_buffers, int p_region, Instanc } } +void RasterizerSceneRD::render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count) { + ERR_FAIL_COND(!storage->particles_collision_is_heightfield(p_collider)); + Vector3 extents = storage->particles_collision_get_extents(p_collider) * p_transform.basis.get_scale(); + CameraMatrix cm; + cm.set_orthogonal(-extents.x, extents.x, -extents.z, extents.z, 0, extents.y * 2.0); + + Vector3 cam_pos = p_transform.origin; + cam_pos.y += extents.y; + + Transform cam_xform; + cam_xform.set_look_at(cam_pos, cam_pos - p_transform.basis.get_axis(Vector3::AXIS_Y), -p_transform.basis.get_axis(Vector3::AXIS_Z).normalized()); + + RID fb = storage->particles_collision_get_heightfield_framebuffer(p_collider); + + _render_particle_collider_heightfield(fb, cam_xform, cm, p_cull_result, p_cull_count); +} + void RasterizerSceneRD::render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count) { RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers); ERR_FAIL_COND(!rb); diff --git a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h index fe31d2f76b..0e7e56716b 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_scene_rd.h @@ -112,6 +112,7 @@ protected: virtual void _render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0; virtual void _render_uv2(InstanceBase **p_cull_result, int p_cull_count, RID p_framebuffer, const Rect2i &p_region) = 0; virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, InstanceBase **p_cull_result, int p_cull_count, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) = 0; + virtual void _render_particle_collider_heightfield(RID p_fb, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, InstanceBase **p_cull_result, int p_cull_count) = 0; virtual void _debug_giprobe(RID p_gi_probe, RenderingDevice::DrawListID p_draw_list, RID p_framebuffer, const CameraMatrix &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha); void _debug_sdfgi_probes(RID p_render_buffers, RD::DrawListID p_draw_list, RID p_framebuffer, const CameraMatrix &p_camera_with_transform); @@ -1876,6 +1877,8 @@ public: void render_sdfgi(RID p_render_buffers, int p_region, InstanceBase **p_cull_result, int p_cull_count); void render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count); + void render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count); + virtual void set_scene_pass(uint64_t p_pass) { scene_pass = p_pass; } diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp index db2c707984..6448872610 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp @@ -3333,6 +3333,10 @@ void RasterizerStorageRD::_particles_free_data(Particles *particles) { particles->particles_transforms_buffer_uniform_set = RID(); particles->particle_buffer = RID(); + if (RD::get_singleton()->uniform_set_is_valid(particles->collision_textures_uniform_set)) { + RD::get_singleton()->free(particles->collision_textures_uniform_set); + } + if (particles->particles_sort_buffer.is_valid()) { RD::get_singleton()->free(particles->particles_sort_buffer); particles->particles_sort_buffer = RID(); @@ -3454,6 +3458,13 @@ void RasterizerStorageRD::particles_set_fractional_delta(RID p_particles, bool p particles->fractional_delta = p_enable; } +void RasterizerStorageRD::particles_set_collision_base_size(RID p_particles, float p_size) { + Particles *particles = particles_owner.getornull(p_particles); + ERR_FAIL_COND(!particles); + + particles->collision_base_size = p_size; +} + void RasterizerStorageRD::particles_set_process_material(RID p_particles, RID p_material) { Particles *particles = particles_owner.getornull(p_particles); ERR_FAIL_COND(!particles); @@ -3646,6 +3657,22 @@ RID RasterizerStorageRD::particles_get_draw_pass_mesh(RID p_particles, int p_pas return particles->draw_passes[p_pass]; } +void RasterizerStorageRD::particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) { + Particles *particles = particles_owner.getornull(p_particles); + ERR_FAIL_COND(!particles); + + ERR_FAIL_COND(p_instance->base_type != RS::INSTANCE_PARTICLES_COLLISION); + + particles->collisions.insert(p_instance); +} + +void RasterizerStorageRD::particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance) { + Particles *particles = particles_owner.getornull(p_particles); + ERR_FAIL_COND(!particles); + + particles->collisions.erase(p_instance); +} + void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_delta) { if (p_particles->particles_material_uniform_set.is_null() || !RD::get_singleton()->uniform_set_is_valid(p_particles->particles_material_uniform_set)) { Vector<RD::Uniform> uniforms; @@ -3729,6 +3756,195 @@ void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_del frame_params.cycle = p_particles->cycle_number; + { //collision and attractors + + frame_params.collider_count = 0; + frame_params.attractor_count = 0; + frame_params.particle_size = p_particles->collision_base_size; + + RID collision_3d_textures[ParticlesFrameParams::MAX_3D_TEXTURES]; + RID collision_heightmap_texture; + + Transform to_particles; + if (p_particles->use_local_coords) { + to_particles = p_particles->emission_transform.affine_inverse(); + } + uint32_t collision_3d_textures_used = 0; + for (const Set<RasterizerScene::InstanceBase *>::Element *E = p_particles->collisions.front(); E; E = E->next()) { + ParticlesCollision *pc = particles_collision_owner.getornull(E->get()->base); + Transform to_collider = E->get()->transform; + if (p_particles->use_local_coords) { + to_collider = to_particles * to_collider; + } + Vector3 scale = to_collider.basis.get_scale(); + to_collider.basis.orthonormalize(); + + if (pc->type <= RS::PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT) { + //attractor + if (frame_params.attractor_count >= ParticlesFrameParams::MAX_ATTRACTORS) { + continue; + } + + ParticlesFrameParams::Attractor &attr = frame_params.attractors[frame_params.attractor_count]; + + store_transform(to_collider, attr.transform); + attr.strength = pc->attractor_strength; + attr.attenuation = pc->attractor_attenuation; + attr.directionality = pc->attractor_directionality; + + switch (pc->type) { + case RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT: { + attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_SPHERE; + float radius = pc->radius; + radius *= (scale.x + scale.y + scale.z) / 3.0; + attr.extents[0] = radius; + attr.extents[1] = radius; + attr.extents[2] = radius; + } break; + case RS::PARTICLES_COLLISION_TYPE_BOX_ATTRACT: { + attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_BOX; + Vector3 extents = pc->extents * scale; + attr.extents[0] = extents.x; + attr.extents[1] = extents.y; + attr.extents[2] = extents.z; + } break; + case RS::PARTICLES_COLLISION_TYPE_VECTOR_FIELD_ATTRACT: { + if (collision_3d_textures_used >= ParticlesFrameParams::MAX_3D_TEXTURES) { + continue; + } + attr.type = ParticlesFrameParams::ATTRACTOR_TYPE_VECTOR_FIELD; + Vector3 extents = pc->extents * scale; + attr.extents[0] = extents.x; + attr.extents[1] = extents.y; + attr.extents[2] = extents.z; + attr.texture_index = collision_3d_textures_used; + + collision_3d_textures[collision_3d_textures_used] = pc->field_texture; + collision_3d_textures_used++; + } break; + default: { + } + } + + frame_params.attractor_count++; + } else { + //collider + if (frame_params.collider_count >= ParticlesFrameParams::MAX_COLLIDERS) { + continue; + } + + ParticlesFrameParams::Collider &col = frame_params.colliders[frame_params.collider_count]; + + store_transform(to_collider, col.transform); + switch (pc->type) { + case RS::PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE: { + col.type = ParticlesFrameParams::COLLISION_TYPE_SPHERE; + float radius = pc->radius; + radius *= (scale.x + scale.y + scale.z) / 3.0; + col.extents[0] = radius; + col.extents[1] = radius; + col.extents[2] = radius; + } break; + case RS::PARTICLES_COLLISION_TYPE_BOX_COLLIDE: { + col.type = ParticlesFrameParams::COLLISION_TYPE_BOX; + Vector3 extents = pc->extents * scale; + col.extents[0] = extents.x; + col.extents[1] = extents.y; + col.extents[2] = extents.z; + } break; + case RS::PARTICLES_COLLISION_TYPE_SDF_COLLIDE: { + if (collision_3d_textures_used >= ParticlesFrameParams::MAX_3D_TEXTURES) { + continue; + } + col.type = ParticlesFrameParams::COLLISION_TYPE_SDF; + Vector3 extents = pc->extents * scale; + col.extents[0] = extents.x; + col.extents[1] = extents.y; + col.extents[2] = extents.z; + col.texture_index = collision_3d_textures_used; + col.scale = (scale.x + scale.y + scale.z) * 0.333333333333; //non uniform scale non supported + + collision_3d_textures[collision_3d_textures_used] = pc->field_texture; + collision_3d_textures_used++; + } break; + case RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE: { + if (collision_heightmap_texture != RID()) { //already taken + continue; + } + + col.type = ParticlesFrameParams::COLLISION_TYPE_HEIGHT_FIELD; + Vector3 extents = pc->extents * scale; + col.extents[0] = extents.x; + col.extents[1] = extents.y; + col.extents[2] = extents.z; + collision_heightmap_texture = pc->heightfield_texture; + } break; + default: { + } + } + + frame_params.collider_count++; + } + } + + bool different = false; + if (collision_3d_textures_used == p_particles->collision_3d_textures_used) { + for (int i = 0; i < ParticlesFrameParams::MAX_3D_TEXTURES; i++) { + if (p_particles->collision_3d_textures[i] != collision_3d_textures[i]) { + different = true; + break; + } + } + } + + if (collision_heightmap_texture != p_particles->collision_heightmap_texture) { + different = true; + } + + bool uniform_set_valid = RD::get_singleton()->uniform_set_is_valid(p_particles->collision_textures_uniform_set); + + if (different || !uniform_set_valid) { + if (uniform_set_valid) { + RD::get_singleton()->free(p_particles->collision_textures_uniform_set); + } + + Vector<RD::Uniform> uniforms; + + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 0; + for (uint32_t i = 0; i < ParticlesFrameParams::MAX_3D_TEXTURES; i++) { + RID rd_tex; + if (i < collision_3d_textures_used) { + Texture *t = texture_owner.getornull(collision_3d_textures[i]); + if (t && t->type == Texture::TYPE_3D) { + rd_tex = t->rd_texture; + } + } + + if (rd_tex == RID()) { + rd_tex = default_rd_textures[DEFAULT_RD_TEXTURE_3D_WHITE]; + } + u.ids.push_back(rd_tex); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_TEXTURE; + u.binding = 1; + if (collision_heightmap_texture.is_valid()) { + u.ids.push_back(collision_heightmap_texture); + } else { + u.ids.push_back(default_rd_textures[DEFAULT_RD_TEXTURE_BLACK]); + } + uniforms.push_back(u); + } + p_particles->collision_textures_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 2); + } + } + ParticlesShader::PushConstant push_constant; push_constant.clear = p_particles->clear; @@ -3783,8 +3999,10 @@ void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_del RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, m->shader_data->pipeline); RD::get_singleton()->compute_list_bind_uniform_set(compute_list, particles_shader.base_uniform_set, 0); RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->particles_material_uniform_set, 1); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->collision_textures_uniform_set, 2); + if (m->uniform_set.is_valid()) { - RD::get_singleton()->compute_list_bind_uniform_set(compute_list, m->uniform_set, 2); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, m->uniform_set, 3); } RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(ParticlesShader::PushConstant)); @@ -4190,7 +4408,7 @@ void RasterizerStorageRD::ParticlesMaterialData::update_parameters(const Map<Str } } - uniform_set = RD::get_singleton()->uniform_set_create(uniforms, base_singleton->particles_shader.shader.version_get_shader(shader_data->version, 0), 2); + uniform_set = RD::get_singleton()->uniform_set_create(uniforms, base_singleton->particles_shader.shader.version_get_shader(shader_data->version, 0), 3); } RasterizerStorageRD::ParticlesMaterialData::~ParticlesMaterialData() { @@ -4211,6 +4429,171 @@ RasterizerStorageRD::MaterialData *RasterizerStorageRD::_create_particles_materi return material_data; } //////// + +/* PARTICLES COLLISION API */ + +RID RasterizerStorageRD::particles_collision_create() { + return particles_collision_owner.make_rid(ParticlesCollision()); +} + +RID RasterizerStorageRD::particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND_V(!particles_collision, RID()); + ERR_FAIL_COND_V(particles_collision->type != RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE, RID()); + + if (particles_collision->heightfield_texture == RID()) { + //create + int resolutions[RS::PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_MAX] = { 256, 512, 1024, 2048, 4096, 8192 }; + Size2i size; + if (particles_collision->extents.x > particles_collision->extents.z) { + size.x = resolutions[particles_collision->heightfield_resolution]; + size.y = int32_t(particles_collision->extents.z / particles_collision->extents.x * size.x); + } else { + size.y = resolutions[particles_collision->heightfield_resolution]; + size.x = int32_t(particles_collision->extents.x / particles_collision->extents.z * size.y); + } + + RD::TextureFormat tf; + tf.format = RD::DATA_FORMAT_D32_SFLOAT; + tf.width = size.x; + tf.height = size.y; + tf.type = RD::TEXTURE_TYPE_2D; + tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT; + + particles_collision->heightfield_texture = RD::get_singleton()->texture_create(tf, RD::TextureView()); + + Vector<RID> fb_tex; + fb_tex.push_back(particles_collision->heightfield_texture); + particles_collision->heightfield_fb = RD::get_singleton()->framebuffer_create(fb_tex); + particles_collision->heightfield_fb_size = size; + } + + return particles_collision->heightfield_fb; +} + +void RasterizerStorageRD::particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + if (p_type == particles_collision->type) { + return; + } + + if (particles_collision->heightfield_texture.is_valid()) { + RD::get_singleton()->free(particles_collision->heightfield_texture); + particles_collision->heightfield_texture = RID(); + } + particles_collision->type = p_type; + particles_collision->instance_dependency.instance_notify_changed(true, false); +} + +void RasterizerStorageRD::particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + particles_collision->cull_mask = p_cull_mask; +} + +void RasterizerStorageRD::particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->radius = p_radius; + particles_collision->instance_dependency.instance_notify_changed(true, false); +} + +void RasterizerStorageRD::particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->extents = p_extents; + particles_collision->instance_dependency.instance_notify_changed(true, false); +} + +void RasterizerStorageRD::particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->attractor_strength = p_strength; +} + +void RasterizerStorageRD::particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->attractor_directionality = p_directionality; +} + +void RasterizerStorageRD::particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->attractor_attenuation = p_curve; +} + +void RasterizerStorageRD::particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + particles_collision->field_texture = p_texture; +} + +void RasterizerStorageRD::particles_collision_height_field_update(RID p_particles_collision) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + particles_collision->instance_dependency.instance_notify_changed(true, false); +} + +void RasterizerStorageRD::particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND(!particles_collision); + + if (particles_collision->heightfield_resolution == p_resolution) { + return; + } + + particles_collision->heightfield_resolution = p_resolution; + + if (particles_collision->heightfield_texture.is_valid()) { + RD::get_singleton()->free(particles_collision->heightfield_texture); + particles_collision->heightfield_texture = RID(); + } +} + +AABB RasterizerStorageRD::particles_collision_get_aabb(RID p_particles_collision) const { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND_V(!particles_collision, AABB()); + + switch (particles_collision->type) { + case RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT: + case RS::PARTICLES_COLLISION_TYPE_SPHERE_COLLIDE: { + AABB aabb; + aabb.position = -Vector3(1, 1, 1) * particles_collision->radius; + aabb.size = Vector3(2, 2, 2) * particles_collision->radius; + return aabb; + } + default: { + AABB aabb; + aabb.position = -particles_collision->extents; + aabb.size = particles_collision->extents * 2; + return aabb; + } + } + + return AABB(); +} + +Vector3 RasterizerStorageRD::particles_collision_get_extents(RID p_particles_collision) const { + const ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND_V(!particles_collision, Vector3()); + return particles_collision->extents; +} + +bool RasterizerStorageRD::particles_collision_is_heightfield(RID p_particles_collision) const { + const ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_particles_collision); + ERR_FAIL_COND_V(!particles_collision, false); + return particles_collision->type == RS::PARTICLES_COLLISION_TYPE_HEIGHTFIELD_COLLIDE; +} + /* SKELETON API */ RID RasterizerStorageRD::skeleton_create() { @@ -4680,6 +5063,9 @@ void RasterizerStorageRD::reflection_probe_set_extents(RID p_probe, const Vector ReflectionProbe *reflection_probe = reflection_probe_owner.getornull(p_probe); ERR_FAIL_COND(!reflection_probe); + if (reflection_probe->extents == p_extents) { + return; + } reflection_probe->extents = p_extents; reflection_probe->instance_dependency.instance_notify_changed(true, false); } @@ -5797,6 +6183,9 @@ void RasterizerStorageRD::base_update_dependency(RID p_base, RasterizerScene::In } else if (particles_owner.owns(p_base)) { Particles *p = particles_owner.getornull(p_base); p_instance->update_dependency(&p->instance_dependency); + } else if (particles_collision_owner.owns(p_base)) { + ParticlesCollision *pc = particles_collision_owner.getornull(p_base); + p_instance->update_dependency(&pc->instance_dependency); } } @@ -5832,6 +6221,9 @@ RS::InstanceType RasterizerStorageRD::get_base_type(RID p_rid) const { if (particles_owner.owns(p_rid)) { return RS::INSTANCE_PARTICLES; } + if (particles_collision_owner.owns(p_rid)) { + return RS::INSTANCE_PARTICLES_COLLISION; + } return RS::INSTANCE_NONE; } @@ -6735,8 +7127,6 @@ void RasterizerStorageRD::update_dirty_resources() { _update_dirty_multimeshes(); _update_dirty_skeletons(); _update_decal_atlas(); - - update_particles(); } bool RasterizerStorageRD::has_os_feature(const String &p_feature) const { @@ -6871,6 +7261,14 @@ bool RasterizerStorageRD::free(RID p_rid) { _particles_free_data(particles); particles->instance_dependency.instance_notify_deleted(p_rid); particles_owner.free(p_rid); + } else if (particles_collision_owner.owns(p_rid)) { + ParticlesCollision *particles_collision = particles_collision_owner.getornull(p_rid); + + if (particles_collision->heightfield_texture.is_valid()) { + RD::get_singleton()->free(particles_collision->heightfield_texture); + } + particles_collision->instance_dependency.instance_notify_deleted(p_rid); + particles_collision_owner.free(p_rid); } else if (render_target_owner.owns(p_rid)) { RenderTarget *rt = render_target_owner.getornull(p_rid); @@ -7379,14 +7777,19 @@ RasterizerStorageRD::RasterizerStorageRD() { actions.renames["RESTART_COLOR"] = "restart_color"; actions.renames["RESTART_CUSTOM"] = "restart_custom"; actions.renames["emit_particle"] = "emit_particle"; + actions.renames["COLLIDED"] = "collided"; + actions.renames["COLLISION_NORMAL"] = "collision_normal"; + actions.renames["COLLISION_DEPTH"] = "collision_depth"; + actions.renames["ATTRACTOR_FORCE"] = "attractor_force"; actions.render_mode_defines["disable_force"] = "#define DISABLE_FORCE\n"; actions.render_mode_defines["disable_velocity"] = "#define DISABLE_VELOCITY\n"; actions.render_mode_defines["keep_data"] = "#define ENABLE_KEEP_DATA\n"; + actions.render_mode_defines["collision_use_scale"] = "#define USE_COLLISON_SCALE\n"; actions.sampler_array_name = "material_samplers"; actions.base_texture_binding_index = 1; - actions.texture_layout_set = 2; + actions.texture_layout_set = 3; actions.base_uniform_string = "material."; actions.base_varying_index = 10; diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h index e14b9528cf..b03a26e200 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h @@ -475,6 +475,46 @@ private: }; struct ParticlesFrameParams { + enum { + MAX_ATTRACTORS = 32, + MAX_COLLIDERS = 32, + MAX_3D_TEXTURES = 7 + }; + + enum AttractorType { + ATTRACTOR_TYPE_SPHERE, + ATTRACTOR_TYPE_BOX, + ATTRACTOR_TYPE_VECTOR_FIELD, + }; + + struct Attractor { + float transform[16]; + float extents[3]; //exents or radius + uint32_t type; + + uint32_t texture_index; //texture index for vector field + float strength; + float attenuation; + float directionality; + }; + + enum CollisionType { + COLLISION_TYPE_SPHERE, + COLLISION_TYPE_BOX, + COLLISION_TYPE_SDF, + COLLISION_TYPE_HEIGHT_FIELD + }; + + struct Collider { + float transform[16]; + float extents[3]; //exents or radius + uint32_t type; + + uint32_t texture_index; //texture index for vector field + float scale; + uint32_t pad[2]; + }; + uint32_t emitting; float system_phase; float prev_system_phase; @@ -486,9 +526,14 @@ private: float delta; uint32_t random_seed; - uint32_t pad[3]; + uint32_t attractor_count; + uint32_t collider_count; + float particle_size; float emission_transform[16]; + + Attractor attractors[MAX_ATTRACTORS]; + Collider colliders[MAX_COLLIDERS]; }; struct ParticleEmissionBufferData { @@ -536,6 +581,11 @@ private: RID particles_material_uniform_set; RID particles_copy_uniform_set; RID particles_transforms_buffer_uniform_set; + RID collision_textures_uniform_set; + + RID collision_3d_textures[ParticlesFrameParams::MAX_3D_TEXTURES]; + uint32_t collision_3d_textures_used = 0; + RID collision_heightmap_texture; RID particles_sort_buffer; RID particles_sort_uniform_set; @@ -557,6 +607,7 @@ private: int fixed_fps; bool fractional_delta; float frame_remainder; + float collision_base_size; bool clear; @@ -569,6 +620,8 @@ private: ParticleEmissionBuffer *emission_buffer = nullptr; RID emission_storage_buffer; + Set<RasterizerScene::InstanceBase *> collisions; + Particles() : inactive(true), inactive_time(0.0), @@ -590,6 +643,7 @@ private: fixed_fps(0), fractional_delta(false), frame_remainder(0), + collision_base_size(0.01), clear(true) { } @@ -704,6 +758,28 @@ private: mutable RID_Owner<Particles> particles_owner; + /* Particles Collision */ + + struct ParticlesCollision { + RS::ParticlesCollisionType type = RS::PARTICLES_COLLISION_TYPE_SPHERE_ATTRACT; + uint32_t cull_mask = 0xFFFFFFFF; + float radius = 1.0; + Vector3 extents = Vector3(1, 1, 1); + float attractor_strength = 1.0; + float attractor_attenuation = 1.0; + float attractor_directionality = 0.0; + RID field_texture; + RID heightfield_texture; + RID heightfield_fb; + Size2i heightfield_fb_size; + + RS::ParticlesCollisionHeightfieldResolution heightfield_resolution = RS::PARTICLES_COLLISION_HEIGHTFIELD_RESOLUTION_1024; + + RasterizerScene::InstanceDependency instance_dependency; + }; + + mutable RID_Owner<ParticlesCollision> particles_collision_owner; + /* Skeleton */ struct Skeleton { @@ -1691,6 +1767,7 @@ public: void particles_set_process_material(RID p_particles, RID p_material); void particles_set_fixed_fps(RID p_particles, int p_fps); void particles_set_fractional_delta(RID p_particles, bool p_enable); + void particles_set_collision_base_size(RID p_particles, float p_size); void particles_restart(RID p_particles); void particles_emit(RID p_particles, const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags); void particles_set_subemitter(RID p_particles, RID p_subemitter_particles); @@ -1748,6 +1825,27 @@ public: return particles->particles_transforms_buffer_uniform_set; } + virtual void particles_add_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance); + virtual void particles_remove_collision(RID p_particles, RasterizerScene::InstanceBase *p_instance); + + /* PARTICLES COLLISION */ + + virtual RID particles_collision_create(); + virtual void particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type); + virtual void particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask); + virtual void particles_collision_set_sphere_radius(RID p_particles_collision, float p_radius); //for spheres + virtual void particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents); //for non-spheres + virtual void particles_collision_set_attractor_strength(RID p_particles_collision, float p_strength); + virtual void particles_collision_set_attractor_directionality(RID p_particles_collision, float p_directionality); + virtual void particles_collision_set_attractor_attenuation(RID p_particles_collision, float p_curve); + virtual void particles_collision_set_field_texture(RID p_particles_collision, RID p_texture); //for SDF and vector field, heightfield is dynamic + virtual void particles_collision_height_field_update(RID p_particles_collision); //for SDF and vector field + virtual void particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution); //for SDF and vector field + virtual AABB particles_collision_get_aabb(RID p_particles_collision) const; + virtual Vector3 particles_collision_get_extents(RID p_particles_collision) const; + virtual bool particles_collision_is_heightfield(RID p_particles_collision) const; + RID particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const; + /* GLOBAL VARIABLES API */ virtual void global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value); diff --git a/servers/rendering/rasterizer_rd/shaders/particles.glsl b/servers/rendering/rasterizer_rd/shaders/particles.glsl index a924509771..926c7ef9fc 100644 --- a/servers/rendering/rasterizer_rd/shaders/particles.glsl +++ b/servers/rendering/rasterizer_rd/shaders/particles.glsl @@ -31,6 +31,40 @@ global_variables; /* Set 1: FRAME AND PARTICLE DATA */ // a frame history is kept for trail deterministic behavior + +#define MAX_ATTRACTORS 32 + +#define ATTRACTOR_TYPE_SPHERE 0 +#define ATTRACTOR_TYPE_BOX 1 +#define ATTRACTOR_TYPE_VECTOR_FIELD 2 + +struct Attractor { + mat4 transform; + vec3 extents; //exents or radius + uint type; + uint texture_index; //texture index for vector field + float strength; + float attenuation; + float directionality; +}; + +#define MAX_COLLIDERS 32 + +#define COLLIDER_TYPE_SPHERE 0 +#define COLLIDER_TYPE_BOX 1 +#define COLLIDER_TYPE_SDF 2 +#define COLLIDER_TYPE_HEIGHT_FIELD 3 + +struct Collider { + mat4 transform; + vec3 extents; //exents or radius + uint type; + + uint texture_index; //texture index for vector field + float scale; + uint pad[2]; +}; + struct FrameParams { bool emitting; float system_phase; @@ -43,9 +77,14 @@ struct FrameParams { float delta; uint random_seed; - uint pad[3]; + uint attractor_count; + uint collider_count; + float particle_size; mat4 emission_transform; + + Attractor attractors[MAX_ATTRACTORS]; + Collider colliders[MAX_COLLIDERS]; }; layout(set = 1, binding = 0, std430) restrict buffer FrameHistory { @@ -80,7 +119,7 @@ struct ParticleEmission { vec4 custom; }; -layout(set = 1, binding = 2, std430) restrict volatile coherent buffer SourceEmission { +layout(set = 1, binding = 2, std430) restrict buffer SourceEmission { int particle_count; uint pad0; uint pad1; @@ -89,7 +128,7 @@ layout(set = 1, binding = 2, std430) restrict volatile coherent buffer SourceEmi } src_particles; -layout(set = 1, binding = 3, std430) restrict volatile coherent buffer DestEmission { +layout(set = 1, binding = 3, std430) restrict buffer DestEmission { int particle_count; int particle_max; uint pad1; @@ -98,10 +137,17 @@ layout(set = 1, binding = 3, std430) restrict volatile coherent buffer DestEmiss } dst_particles; -/* SET 2: MATERIAL */ +/* SET 2: COLLIDER/ATTRACTOR TEXTURES */ + +#define MAX_3D_TEXTURES 7 + +layout(set = 2, binding = 0) uniform texture3D sdf_vec_textures[MAX_3D_TEXTURES]; +layout(set = 2, binding = 1) uniform texture2D height_field_texture; + +/* SET 3: MATERIAL */ #ifdef USE_MATERIAL_UNIFORMS -layout(set = 2, binding = 0, std140) uniform MaterialUniforms{ +layout(set = 3, binding = 0, std140) uniform MaterialUniforms{ /* clang-format off */ MATERIAL_UNIFORMS /* clang-format on */ @@ -140,29 +186,7 @@ bool emit_particle(mat4 p_xform, vec3 p_velocity, vec4 p_color, vec4 p_custom, u atomicAdd(dst_particles.particle_count, -1); return false; } - /* - valid = true; - - int attempts = 256; // never trust compute - while(attempts-- > 0) { - dst_index = dst_particles.particle_count; - if (dst_index == dst_particles.particle_max) { - return false; //can't emit anymore - } - - if (atomicCompSwap(dst_particles.particle_count, dst_index, dst_index +1 ) != dst_index) { - continue; - } - valid=true; - break; - } - barrier(); - - if (!valid) { - return false; //gave up (attempts exhausted) - } -*/ dst_particles.data[dst_index].xform = p_xform; dst_particles.data[dst_index].velocity = p_velocity; dst_particles.data[dst_index].color = p_color; @@ -217,6 +241,199 @@ void main() { vec4(0.0, 0.0, 0.0, 1.0)); } + bool collided = false; + vec3 collision_normal = vec3(0.0); + float collision_depth = 0.0; + + vec3 attractor_force = vec3(0.0); + +#if !defined(DISABLE_VELOCITY) + + if (PARTICLE.is_active) { + PARTICLE.xform[3].xyz += PARTICLE.velocity * local_delta; + } +#endif + + /* Process physics if active */ + + if (PARTICLE.is_active) { + for (uint i = 0; i < FRAME.attractor_count; i++) { + vec3 dir; + float amount; + vec3 rel_vec = PARTICLE.xform[3].xyz - FRAME.attractors[i].transform[3].xyz; + vec3 local_pos = rel_vec * mat3(FRAME.attractors[i].transform); + + switch (FRAME.attractors[i].type) { + case ATTRACTOR_TYPE_SPHERE: { + dir = normalize(rel_vec); + float d = length(local_pos) / FRAME.attractors[i].extents.x; + if (d > 1.0) { + continue; + } + amount = max(0.0, 1.0 - d); + } break; + case ATTRACTOR_TYPE_BOX: { + dir = normalize(rel_vec); + + vec3 abs_pos = abs(local_pos / FRAME.attractors[i].extents); + float d = max(abs_pos.x, max(abs_pos.y, abs_pos.z)); + if (d > 1.0) { + continue; + } + amount = max(0.0, 1.0 - d); + + } break; + case ATTRACTOR_TYPE_VECTOR_FIELD: { + vec3 uvw_pos = (local_pos / FRAME.attractors[i].extents) * 2.0 - 1.0; + if (any(lessThan(uvw_pos, vec3(0.0))) || any(greaterThan(uvw_pos, vec3(1.0)))) { + continue; + } + vec3 s = texture(sampler3D(sdf_vec_textures[FRAME.attractors[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos).xyz; + dir = mat3(FRAME.attractors[i].transform) * normalize(s); //revert direction + amount = length(s); + + } break; + } + amount = pow(amount, FRAME.attractors[i].attenuation); + dir = normalize(mix(dir, FRAME.attractors[i].transform[2].xyz, FRAME.attractors[i].directionality)); + attractor_force -= amount * dir * FRAME.attractors[i].strength; + } + + float particle_size = FRAME.particle_size; + +#ifdef USE_COLLISON_SCALE + + particle_size *= dot(vec3(length(PARTICLE.xform[0].xyz), length(PARTICLE.xform[1].xyz), length(PARTICLE.xform[2].xyz)), vec3(0.33333333333)); + +#endif + + for (uint i = 0; i < FRAME.collider_count; i++) { + vec3 normal; + float depth; + bool col = false; + + vec3 rel_vec = PARTICLE.xform[3].xyz - FRAME.colliders[i].transform[3].xyz; + vec3 local_pos = rel_vec * mat3(FRAME.colliders[i].transform); + + switch (FRAME.colliders[i].type) { + case COLLIDER_TYPE_SPHERE: { + float d = length(rel_vec) - (particle_size + FRAME.colliders[i].extents.x); + + if (d < 0.0) { + col = true; + depth = -d; + normal = normalize(rel_vec); + } + + } break; + case COLLIDER_TYPE_BOX: { + vec3 abs_pos = abs(local_pos); + vec3 sgn_pos = sign(local_pos); + + if (any(greaterThan(abs_pos, FRAME.colliders[i].extents))) { + //point outside box + + vec3 closest = min(abs_pos, FRAME.colliders[i].extents); + vec3 rel = abs_pos - closest; + depth = length(rel) - particle_size; + if (depth < 0.0) { + col = true; + normal = mat3(FRAME.colliders[i].transform) * (normalize(rel) * sgn_pos); + depth = -depth; + } + } else { + //point inside box + vec3 axis_len = FRAME.colliders[i].extents - abs_pos; + // there has to be a faster way to do this? + if (all(lessThan(axis_len.xx, axis_len.yz))) { + normal = vec3(1, 0, 0); + } else if (all(lessThan(axis_len.yy, axis_len.xz))) { + normal = vec3(0, 1, 0); + } else { + normal = vec3(0, 0, 1); + } + + col = true; + depth = dot(normal * axis_len, vec3(1)) + particle_size; + normal = mat3(FRAME.colliders[i].transform) * (normal * sgn_pos); + } + + } break; + case COLLIDER_TYPE_SDF: { + vec3 apos = abs(local_pos); + float extra_dist = 0.0; + if (any(greaterThan(apos, FRAME.colliders[i].extents))) { //outside + vec3 mpos = min(apos, FRAME.colliders[i].extents); + extra_dist = distance(mpos, apos); + } + + if (extra_dist > particle_size) { + continue; + } + + vec3 uvw_pos = (local_pos / FRAME.colliders[i].extents) * 0.5 + 0.5; + float s = texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos).r; + s *= FRAME.colliders[i].scale; + s += extra_dist; + if (s < particle_size) { + col = true; + depth = particle_size - s; + const float EPSILON = 0.001; + normal = mat3(FRAME.colliders[i].transform) * + normalize( + vec3( + texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(EPSILON, 0.0, 0.0)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(EPSILON, 0.0, 0.0)).r, + texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(0.0, EPSILON, 0.0)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(0.0, EPSILON, 0.0)).r, + texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos + vec3(0.0, 0.0, EPSILON)).r - texture(sampler3D(sdf_vec_textures[FRAME.colliders[i].texture_index], material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos - vec3(0.0, 0.0, EPSILON)).r)); + } + + } break; + case COLLIDER_TYPE_HEIGHT_FIELD: { + vec3 local_pos_bottom = local_pos; + local_pos_bottom.y -= particle_size; + + if (any(greaterThan(abs(local_pos_bottom), FRAME.colliders[i].extents))) { + continue; + } + + const float DELTA = 1.0 / 8192.0; + + vec3 uvw_pos = vec3(local_pos_bottom / FRAME.colliders[i].extents) * 0.5 + 0.5; + + float y = 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz).r; + + if (y > uvw_pos.y) { + //inside heightfield + + vec3 pos1 = (vec3(uvw_pos.x, y, uvw_pos.z) * 2.0 - 1.0) * FRAME.colliders[i].extents; + vec3 pos2 = (vec3(uvw_pos.x + DELTA, 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz + vec2(DELTA, 0)).r, uvw_pos.z) * 2.0 - 1.0) * FRAME.colliders[i].extents; + vec3 pos3 = (vec3(uvw_pos.x, 1.0 - texture(sampler2D(height_field_texture, material_samplers[SAMPLER_LINEAR_CLAMP]), uvw_pos.xz + vec2(0, DELTA)).r, uvw_pos.z + DELTA) * 2.0 - 1.0) * FRAME.colliders[i].extents; + + normal = normalize(cross(pos1 - pos2, pos1 - pos3)); + float local_y = (vec3(local_pos / FRAME.colliders[i].extents) * 0.5 + 0.5).y; + + col = true; + depth = dot(normal, pos1) - dot(normal, local_pos_bottom); + } + + } break; + } + + if (col) { + if (!collided) { + collided = true; + collision_normal = normal; + collision_depth = depth; + } else { + vec3 c = collision_normal * collision_depth; + c += normal * max(0.0, depth - dot(normal, c)); + collision_normal = normalize(c); + collision_depth = length(c); + } + } + } + } + if (params.sub_emitter_mode) { if (!PARTICLE.is_active) { int src_index = atomicAdd(src_particles.particle_count, -1) - 1; @@ -329,66 +546,4 @@ COMPUTE_SHADER_CODE /* clang-format on */ } - -#if !defined(DISABLE_VELOCITY) - - if (PARTICLE.is_active) { - PARTICLE.xform[3].xyz += PARTICLE.velocity * local_delta; - } -#endif - -#if 0 - if (PARTICLE.is_active) { - //execute shader - - - - - //!defined(DISABLE_FORCE) - - if (false) { - vec3 force = vec3(0.0); - for (int i = 0; i < attractor_count; i++) { - vec3 rel_vec = xform[3].xyz - attractors[i].pos; - float dist = length(rel_vec); - if (attractors[i].radius < dist) - continue; - if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) { - out_velocity_active.a = 0.0; - } - - rel_vec = normalize(rel_vec); - - float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation); - - if (attractors[i].dir == vec3(0.0)) { - //towards center - force += attractors[i].strength * rel_vec * attenuation * mass; - } else { - force += attractors[i].strength * attractors[i].dir * attenuation * mass; - } - } - - out_velocity_active.xyz += force * local_delta; - } - -#if !defined(DISABLE_VELOCITY) - - if (true) { - xform[3].xyz += out_velocity_active.xyz * local_delta; - } -#endif - } else { - xform = mat4(0.0); - } - - - xform = transpose(xform); - - out_velocity_active.a = mix(0.0, 1.0, shader_active); - - out_xform_1 = xform[0]; - out_xform_2 = xform[1]; - out_xform_3 = xform[2]; -#endif } diff --git a/servers/rendering/rendering_server_raster.cpp b/servers/rendering/rendering_server_raster.cpp index b12e2ff3c1..cbc91497ba 100644 --- a/servers/rendering/rendering_server_raster.cpp +++ b/servers/rendering/rendering_server_raster.cpp @@ -108,6 +108,9 @@ void RenderingServerRaster::draw(bool p_swap_buffers, double frame_step) { RSG::scene->update_dirty_instances(); //update scene stuff + RSG::scene->render_particle_colliders(); + RSG::storage->update_particles(); //need to be done after instances are updated (colliders and particle transforms), and colliders are rendered + RSG::scene->render_probes(); RSG::viewport->draw_viewports(); RSG::canvas_render->update(); diff --git a/servers/rendering/rendering_server_raster.h b/servers/rendering/rendering_server_raster.h index b554425bef..afb3d6f46f 100644 --- a/servers/rendering/rendering_server_raster.h +++ b/servers/rendering/rendering_server_raster.h @@ -452,6 +452,7 @@ public: BIND1(particles_restart, RID) BIND6(particles_emit, RID, const Transform &, const Vector3 &, const Color &, const Color &, uint32_t) BIND2(particles_set_subemitter, RID, RID) + BIND2(particles_set_collision_base_size, RID, float) BIND2(particles_set_draw_order, RID, RS::ParticlesDrawOrder) @@ -461,6 +462,21 @@ public: BIND1R(AABB, particles_get_current_aabb, RID) BIND2(particles_set_emission_transform, RID, const Transform &) + /* PARTICLES COLLISION */ + + BIND0R(RID, particles_collision_create) + + BIND2(particles_collision_set_collision_type, RID, ParticlesCollisionType) + BIND2(particles_collision_set_cull_mask, RID, uint32_t) + BIND2(particles_collision_set_sphere_radius, RID, float) + BIND2(particles_collision_set_box_extents, RID, const Vector3 &) + BIND2(particles_collision_set_attractor_strength, RID, float) + BIND2(particles_collision_set_attractor_directionality, RID, float) + BIND2(particles_collision_set_attractor_attenuation, RID, float) + BIND2(particles_collision_set_field_texture, RID, RID) + BIND1(particles_collision_height_field_update, RID) + BIND2(particles_collision_set_height_field_resolution, RID, ParticlesCollisionHeightfieldResolution) + #undef BINDBASE //from now on, calls forwarded to this singleton #define BINDBASE RSG::scene diff --git a/servers/rendering/rendering_server_scene.cpp b/servers/rendering/rendering_server_scene.cpp index d8e52a5aae..ae6786090a 100644 --- a/servers/rendering/rendering_server_scene.cpp +++ b/servers/rendering/rendering_server_scene.cpp @@ -193,6 +193,8 @@ void *RenderingServerScene::_instance_pair(void *p_self, OctreeElementID, Instan } else if (B->base_type == RS::INSTANCE_GI_PROBE && A->base_type == RS::INSTANCE_LIGHT) { InstanceGIProbeData *gi_probe = static_cast<InstanceGIProbeData *>(B->base_data); return gi_probe->lights.insert(A); + } else if (B->base_type == RS::INSTANCE_PARTICLES_COLLISION && A->base_type == RS::INSTANCE_PARTICLES) { + RSG::storage->particles_add_collision(A->base, B); } return nullptr; @@ -274,6 +276,8 @@ void RenderingServerScene::_instance_unpair(void *p_self, OctreeElementID, Insta Set<Instance *>::Element *E = reinterpret_cast<Set<Instance *>::Element *>(udata); gi_probe->lights.erase(E); + } else if (B->base_type == RS::INSTANCE_PARTICLES_COLLISION && A->base_type == RS::INSTANCE_PARTICLES) { + RSG::storage->particles_remove_collision(A->base, B); } } @@ -539,6 +543,9 @@ void RenderingServerScene::instance_set_scenario(RID p_instance, RID p_scenario) RSG::scene_render->reflection_probe_release_atlas_index(reflection_probe->instance); } break; + case RS::INSTANCE_PARTICLES_COLLISION: { + heightfield_particle_colliders_update_list.erase(instance); + } break; case RS::INSTANCE_GI_PROBE: { InstanceGIProbeData *gi_probe = static_cast<InstanceGIProbeData *>(instance->base_data); @@ -702,6 +709,12 @@ void RenderingServerScene::instance_set_visible(RID p_instance, bool p_visible) } } break; + case RS::INSTANCE_PARTICLES_COLLISION: { + if (instance->octree_id && instance->scenario) { + instance->scenario->octree.set_pairable(instance->octree_id, p_visible, 1 << RS::INSTANCE_PARTICLES_COLLISION, p_visible ? (1 << RS::INSTANCE_PARTICLES) : 0); + } + + } break; default: { } } @@ -1026,6 +1039,13 @@ void RenderingServerScene::_update_instance(Instance *p_instance) { RSG::storage->particles_set_emission_transform(p_instance->base, p_instance->transform); } + if (p_instance->base_type == RS::INSTANCE_PARTICLES_COLLISION) { + //remove materials no longer used and un-own them + if (RSG::storage->particles_collision_is_heightfield(p_instance->base)) { + heightfield_particle_colliders_update_list.insert(p_instance); + } + } + if (p_instance->aabb.has_no_surface()) { return; } @@ -1085,6 +1105,11 @@ void RenderingServerScene::_update_instance(Instance *p_instance) { pairable = true; } + if (p_instance->base_type == RS::INSTANCE_PARTICLES_COLLISION) { + pairable_mask = p_instance->visible ? (1 << RS::INSTANCE_PARTICLES) : 0; + pairable = true; + } + if (p_instance->base_type == RS::INSTANCE_GI_PROBE) { //lights and geometries pairable_mask = p_instance->visible ? RS::INSTANCE_GEOMETRY_MASK | (1 << RS::INSTANCE_LIGHT) : 0; @@ -1146,6 +1171,10 @@ void RenderingServerScene::_update_instance_aabb(Instance *p_instance) { } } break; + case RenderingServer::INSTANCE_PARTICLES_COLLISION: { + new_aabb = RSG::storage->particles_collision_get_aabb(p_instance->base); + + } break; case RenderingServer::INSTANCE_LIGHT: { new_aabb = RSG::storage->light_get_aabb(p_instance->base); @@ -2679,6 +2708,27 @@ void RenderingServerScene::render_probes() { } } +void RenderingServerScene::render_particle_colliders() { + while (heightfield_particle_colliders_update_list.front()) { + Instance *hfpc = heightfield_particle_colliders_update_list.front()->get(); + + if (hfpc->scenario && hfpc->base_type == RS::INSTANCE_PARTICLES_COLLISION && RSG::storage->particles_collision_is_heightfield(hfpc->base)) { + //update heightfield + int cull_count = hfpc->scenario->octree.cull_aabb(hfpc->transformed_aabb, instance_cull_result, MAX_INSTANCE_CULL); //@TODO: cull mask missing + for (int i = 0; i < cull_count; i++) { + Instance *instance = instance_cull_result[i]; + if (!instance->visible || !((1 << instance->base_type) & (RS::INSTANCE_GEOMETRY_MASK & (~(1 << RS::INSTANCE_PARTICLES))))) { //all but particles to avoid self collision + cull_count--; + SWAP(instance_cull_result[i], instance_cull_result[cull_count]); + } + } + + RSG::scene_render->render_particle_collider_heightfield(hfpc->base, hfpc->transform, (RasterizerScene::InstanceBase **)instance_cull_result, cull_count); + } + heightfield_particle_colliders_update_list.erase(heightfield_particle_colliders_update_list.front()); + } +} + void RenderingServerScene::_update_instance_shader_parameters_from_material(Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &isparams, const Map<StringName, RasterizerScene::InstanceBase::InstanceShaderParameter> &existing_isparams, RID p_material) { List<RasterizerStorage::InstanceShaderParam> plist; RSG::storage->material_get_instance_shader_parameters(p_material, &plist); diff --git a/servers/rendering/rendering_server_scene.h b/servers/rendering/rendering_server_scene.h index 165c3784c1..1b0a617627 100644 --- a/servers/rendering/rendering_server_scene.h +++ b/servers/rendering/rendering_server_scene.h @@ -385,6 +385,8 @@ public: } }; + Set<Instance *> heightfield_particle_colliders_update_list; + int instance_cull_count; Instance *instance_cull_result[MAX_INSTANCE_CULL]; Instance *instance_shadow_cull_result[MAX_INSTANCE_CULL]; //used for generating shadowmaps @@ -461,6 +463,7 @@ public: void render_camera(RID p_render_buffers, Ref<XRInterface> &p_interface, XRInterface::Eyes p_eye, RID p_camera, RID p_scenario, Size2 p_viewport_size, RID p_shadow_atlas); void update_dirty_instances(); + void render_particle_colliders(); void render_probes(); TypedArray<Image> bake_render_uv2(RID p_base, const Vector<RID> &p_material_overrides, const Size2i &p_image_size); diff --git a/servers/rendering/rendering_server_wrap_mt.cpp b/servers/rendering/rendering_server_wrap_mt.cpp index 9aa6593cbe..ab9856e06e 100644 --- a/servers/rendering/rendering_server_wrap_mt.cpp +++ b/servers/rendering/rendering_server_wrap_mt.cpp @@ -124,6 +124,7 @@ void RenderingServerWrapMT::finish() { gi_probe_free_cached_ids(); lightmap_free_cached_ids(); particles_free_cached_ids(); + particles_collision_free_cached_ids(); camera_free_cached_ids(); viewport_free_cached_ids(); environment_free_cached_ids(); diff --git a/servers/rendering/rendering_server_wrap_mt.h b/servers/rendering/rendering_server_wrap_mt.h index 372a7269dc..910acd74cb 100644 --- a/servers/rendering/rendering_server_wrap_mt.h +++ b/servers/rendering/rendering_server_wrap_mt.h @@ -356,6 +356,8 @@ public: FUNC2(particles_set_process_material, RID, RID) FUNC2(particles_set_fixed_fps, RID, int) FUNC2(particles_set_fractional_delta, RID, bool) + FUNC2(particles_set_collision_base_size, RID, float) + FUNC1R(bool, particles_is_inactive, RID) FUNC1(particles_request_process, RID) FUNC1(particles_restart, RID) @@ -371,6 +373,21 @@ public: FUNC1R(AABB, particles_get_current_aabb, RID) + /* PARTICLES COLLISION */ + + FUNCRID(particles_collision) + + FUNC2(particles_collision_set_collision_type, RID, ParticlesCollisionType) + FUNC2(particles_collision_set_cull_mask, RID, uint32_t) + FUNC2(particles_collision_set_sphere_radius, RID, float) + FUNC2(particles_collision_set_box_extents, RID, const Vector3 &) + FUNC2(particles_collision_set_attractor_strength, RID, float) + FUNC2(particles_collision_set_attractor_directionality, RID, float) + FUNC2(particles_collision_set_attractor_attenuation, RID, float) + FUNC2(particles_collision_set_field_texture, RID, RID) + FUNC1(particles_collision_height_field_update, RID) + FUNC2(particles_collision_set_height_field_resolution, RID, ParticlesCollisionHeightfieldResolution) + /* CAMERA API */ FUNCRID(camera) diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp index 6d473a75f2..f1209d9d6d 100644 --- a/servers/rendering/shader_types.cpp +++ b/servers/rendering/shader_types.cpp @@ -295,6 +295,10 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_VELOCITY"] = constt(ShaderLanguage::TYPE_BOOL); shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_COLOR"] = constt(ShaderLanguage::TYPE_BOOL); shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_CUSTOM"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLIDED"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLISION_NORMAL"] = constt(ShaderLanguage::TYPE_VEC3); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["COLLISION_DEPTH"] = constt(ShaderLanguage::TYPE_FLOAT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["ATTRACTOR_FORCE"] = constt(ShaderLanguage::TYPE_VEC3); shader_modes[RS::SHADER_PARTICLES].functions["compute"].can_discard = false; { @@ -308,6 +312,7 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_PARTICLES].functions["compute"].stage_functions["emit_particle"] = emit_vertex_func; } + shader_modes[RS::SHADER_PARTICLES].modes.push_back("collision_use_scale"); shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_force"); shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_velocity"); shader_modes[RS::SHADER_PARTICLES].modes.push_back("keep_data"); |