diff --git a/scene/3d/gpu_particles_3d.cpp b/scene/3d/gpu_particles_3d.cpp index c4480e3ed2d..6fa0fc6ecb5 100644 --- a/scene/3d/gpu_particles_3d.cpp +++ b/scene/3d/gpu_particles_3d.cpp @@ -301,6 +301,36 @@ void GPUParticles3D::_validate_property(PropertyInfo &property) const { } } +void GPUParticles3D::emit_particle(const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) { + RS::get_singleton()->particles_emit(particles, p_transform, p_velocity, p_color, p_custom, p_emit_flags); +} + +void GPUParticles3D::_attach_sub_emitter() { + Node *n = get_node_or_null(sub_emitter); + if (n) { + GPUParticles3D *sen = Object::cast_to(n); + if (sen && sen != this) { + RS::get_singleton()->particles_set_subemitter(particles, sen->particles); + } + } +} + +void GPUParticles3D::set_sub_emitter(const NodePath &p_path) { + if (is_inside_tree()) { + RS::get_singleton()->particles_set_subemitter(particles, RID()); + } + + sub_emitter = p_path; + + if (is_inside_tree() && sub_emitter != NodePath()) { + _attach_sub_emitter(); + } +} + +NodePath GPUParticles3D::get_sub_emitter() const { + return sub_emitter; +} + void GPUParticles3D::_notification(int p_what) { if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) { if (can_process()) { @@ -319,6 +349,16 @@ void GPUParticles3D::_notification(int p_what) { } } + if (p_what == NOTIFICATION_ENTER_TREE) { + if (sub_emitter != NodePath()) { + _attach_sub_emitter(); + } + } + + if (p_what == NOTIFICATION_EXIT_TREE) { + RS::get_singleton()->particles_set_subemitter(particles, RID()); + } + if (p_what == NOTIFICATION_VISIBILITY_CHANGED) { // make sure particles are updated before rendering occurs if they were active before if (is_visible_in_tree() && !RS::get_singleton()->particles_is_inactive(particles)) { @@ -369,8 +409,14 @@ void GPUParticles3D::_bind_methods() { ClassDB::bind_method(D_METHOD("restart"), &GPUParticles3D::restart); ClassDB::bind_method(D_METHOD("capture_aabb"), &GPUParticles3D::capture_aabb); + ClassDB::bind_method(D_METHOD("set_sub_emitter", "path"), &GPUParticles3D::set_sub_emitter); + ClassDB::bind_method(D_METHOD("get_sub_emitter"), &GPUParticles3D::get_sub_emitter); + + ClassDB::bind_method(D_METHOD("emit_particle", "xform", "velocity", "color", "custom", "flags"), &GPUParticles3D::emit_particle); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting"); ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_EXP_RANGE, "1,1000000,1"), "set_amount", "get_amount"); + ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "sub_emitter", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "GPUParticles3D"), "set_sub_emitter", "get_sub_emitter"); ADD_GROUP("Time", ""); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime", PROPERTY_HINT_EXP_RANGE, "0.01,600.0,0.01,or_greater"), "set_lifetime", "get_lifetime"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot"); @@ -396,6 +442,12 @@ void GPUParticles3D::_bind_methods() { BIND_ENUM_CONSTANT(DRAW_ORDER_LIFETIME); BIND_ENUM_CONSTANT(DRAW_ORDER_VIEW_DEPTH); + BIND_ENUM_CONSTANT(EMIT_FLAG_POSITION); + BIND_ENUM_CONSTANT(EMIT_FLAG_ROTATION_SCALE); + BIND_ENUM_CONSTANT(EMIT_FLAG_VELOCITY); + BIND_ENUM_CONSTANT(EMIT_FLAG_COLOR); + BIND_ENUM_CONSTANT(EMIT_FLAG_CUSTOM); + BIND_CONSTANT(MAX_DRAW_PASSES); } diff --git a/scene/3d/gpu_particles_3d.h b/scene/3d/gpu_particles_3d.h index e04473727d1..0d8dadd31d1 100644 --- a/scene/3d/gpu_particles_3d.h +++ b/scene/3d/gpu_particles_3d.h @@ -64,6 +64,7 @@ private: bool local_coords; int fixed_fps; bool fractional_delta; + NodePath sub_emitter; Ref process_material; @@ -71,6 +72,8 @@ private: Vector> draw_passes; + void _attach_sub_emitter(); + protected: static void _bind_methods(); void _notification(int p_what); @@ -121,13 +124,27 @@ public: virtual String get_configuration_warning() const override; + void set_sub_emitter(const NodePath &p_path); + NodePath get_sub_emitter() const; + void restart(); + enum EmitFlags { + EMIT_FLAG_POSITION = RS::PARTICLES_EMIT_FLAG_POSITION, + EMIT_FLAG_ROTATION_SCALE = RS::PARTICLES_EMIT_FLAG_ROTATION_SCALE, + EMIT_FLAG_VELOCITY = RS::PARTICLES_EMIT_FLAG_VELOCITY, + EMIT_FLAG_COLOR = RS::PARTICLES_EMIT_FLAG_COLOR, + EMIT_FLAG_CUSTOM = RS::PARTICLES_EMIT_FLAG_CUSTOM + }; + + void emit_particle(const Transform &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags); + AABB capture_aabb() const; GPUParticles3D(); ~GPUParticles3D(); }; VARIANT_ENUM_CAST(GPUParticles3D::DrawOrder) +VARIANT_ENUM_CAST(GPUParticles3D::EmitFlags) #endif // PARTICLES_H diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index a0095ed9522..49b8cbe7e0c 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -91,13 +91,13 @@ void ParticlesMaterial::init_shaders() { shader_names->emission_texture_normal = "emission_texture_normal"; shader_names->emission_texture_color = "emission_texture_color"; - shader_names->trail_divisor = "trail_divisor"; - shader_names->trail_size_modifier = "trail_size_modifier"; - shader_names->trail_color_modifier = "trail_color_modifier"; - shader_names->gravity = "gravity"; shader_names->lifetime_randomness = "lifetime_randomness"; + + shader_names->sub_emitter_frequency = "sub_emitter_frequency"; + shader_names->sub_emitter_amount_at_end = "sub_emitter_amount_at_end"; + shader_names->sub_emitter_keep_velocity = "sub_emitter_keep_velocity"; } void ParticlesMaterial::finish_shaders() { @@ -192,9 +192,17 @@ void ParticlesMaterial::_update_shader() { } } - code += "uniform vec4 color_value : hint_color;\n"; + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + if (sub_emitter_mode == SUB_EMITTER_CONSTANT) { + code += "uniform float sub_emitter_frequency;\n"; + } + if (sub_emitter_mode == SUB_EMITTER_AT_END) { + code += "uniform int sub_emitter_amount_at_end;\n"; + } + code += "uniform bool sub_emitter_keep_velocity;\n"; + } - code += "uniform int trail_divisor;\n"; + code += "uniform vec4 color_value : hint_color;\n"; code += "uniform vec3 gravity;\n"; @@ -239,14 +247,6 @@ void ParticlesMaterial::_update_shader() { code += "uniform sampler2D anim_offset_texture;\n"; } - if (trail_size_modifier.is_valid()) { - code += "uniform sampler2D trail_size_modifier;\n"; - } - - if (trail_color_modifier.is_valid()) { - code += "uniform sampler2D trail_color_modifier;\n"; - } - //need a random function code += "\n\n"; code += "float rand_from_seed(inout uint seed) {\n"; @@ -278,7 +278,7 @@ void ParticlesMaterial::_update_shader() { code += "\n"; code += "void compute() {\n"; - code += " uint base_number = NUMBER / uint(trail_divisor);\n"; + code += " uint base_number = NUMBER;\n"; code += " uint alt_seed = hash(base_number + uint(1) + RANDOM_SEED);\n"; code += " float angle_rand = rand_from_seed(alt_seed);\n"; code += " float scale_rand = rand_from_seed(alt_seed);\n"; @@ -293,17 +293,7 @@ void ParticlesMaterial::_update_shader() { code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n"; code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n"; } - code += " bool restart = false;\n"; - code += " if (CUSTOM.y > CUSTOM.w) {\n"; - code += " restart = true;\n"; - code += " }\n\n"; - code += " if (RESTART || restart) {\n"; - - if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { - code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(0.0, 0.0), 0.0).r;\n"; - } else { - code += " float tex_linear_velocity = 0.0;\n"; - } + code += " if (RESTART) {\n"; if (tex_parameters[PARAM_ANGLE].is_valid()) { code += " float tex_angle = textureLod(angle_texture, vec2(0.0, 0.0), 0.0).r;\n"; @@ -319,25 +309,34 @@ void ParticlesMaterial::_update_shader() { code += " float spread_rad = spread * degree_to_rad;\n"; + code += " if (RESTART_VELOCITY) {\n"; + + if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(0.0, 0.0), 0.0).r;\n"; + } else { + code += " float tex_linear_velocity = 0.0;\n"; + } + if (flags[FLAG_DISABLE_Z]) { - code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; - code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\n"; - code += " vec3 rot = vec3(cos(angle1_rad), sin(angle1_rad), 0.0);\n"; - code += " VELOCITY = rot * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\n"; + code += " vec3 rot = vec3(cos(angle1_rad), sin(angle1_rad), 0.0);\n"; + code += " VELOCITY = rot * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } else { //initiate velocity spread in 3D - code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; - code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; - code += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n"; - code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\n"; - code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n"; - code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n"; - code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n"; - code += " vec3 vec_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; - code += " vec_direction = normalize(vec_direction);\n"; - code += " VELOCITY = vec_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; + code += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n"; + code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\n"; + code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n"; + code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n"; + code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n"; + code += " vec3 vec_direction = vec3(direction_xz.x * direction_yz.z, direction_yz.y, direction_xz.z * direction_yz.z);\n"; + code += " vec_direction = normalize(vec_direction);\n"; + code += " VELOCITY = vec_direction * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } + code += " }\n"; code += " float base_angle = (initial_angle + tex_angle) * mix(1.0, angle_rand, initial_angle_random);\n"; code += " CUSTOM.x = base_angle * degree_to_rad;\n"; // angle @@ -345,35 +344,38 @@ void ParticlesMaterial::_update_shader() { code += " CUSTOM.w = (1.0 - lifetime_randomness * rand_from_seed(alt_seed));\n"; code += " CUSTOM.z = (anim_offset + tex_anim_offset) * mix(1.0, anim_offset_rand, anim_offset_random);\n"; // animation offset (0-1) + code += " if (RESTART_POSITION) {\n"; + switch (emission_shape) { case EMISSION_SHAPE_POINT: { - //do none + //do none, identity (will later be multiplied by emission transform) + code += " TRANSFORM = mat4(vec4(1,0,0,0),vec4(0,1,0,0),vec4(0,0,1,0),vec4(0,0,0,1));\n"; } break; case EMISSION_SHAPE_SPHERE: { - code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; - code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; - code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; - code += " TRANSFORM[3].xyz = vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s);\n"; + code += " float s = rand_from_seed(alt_seed) * 2.0 - 1.0;\n"; + code += " float t = rand_from_seed(alt_seed) * 2.0 * pi;\n"; + code += " float radius = emission_sphere_radius * sqrt(1.0 - s * s);\n"; + code += " TRANSFORM[3].xyz = vec3(radius * cos(t), radius * sin(t), emission_sphere_radius * s);\n"; } break; case EMISSION_SHAPE_BOX: { - code += " TRANSFORM[3].xyz = vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0) * emission_box_extents;\n"; + code += " TRANSFORM[3].xyz = vec3(rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0, rand_from_seed(alt_seed) * 2.0 - 1.0) * emission_box_extents;\n"; } break; case EMISSION_SHAPE_POINTS: case EMISSION_SHAPE_DIRECTED_POINTS: { - code += " TRANSFORM[3].xyz = texelFetch(emission_texture_points, emission_tex_ofs, 0).xyz;\n"; + code += " TRANSFORM[3].xyz = texelFetch(emission_texture_points, emission_tex_ofs, 0).xyz;\n"; if (emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { if (flags[FLAG_DISABLE_Z]) { - code += " mat2 rotm;"; - code += " rotm[0] = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xy;\n"; - code += " rotm[1] = rotm[0].yx * vec2(1.0, -1.0);\n"; - code += " VELOCITY.xy = rotm * VELOCITY.xy;\n"; + code += " mat2 rotm;"; + code += " rotm[0] = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xy;\n"; + code += " rotm[1] = rotm[0].yx * vec2(1.0, -1.0);\n"; + code += " if (RESTART_VELOCITY) VELOCITY.xy = rotm * VELOCITY.xy;\n"; } else { - code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n"; - code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n"; - code += " vec3 tangent = normalize(cross(v0, normal));\n"; - code += " vec3 bitangent = normalize(cross(tangent, normal));\n"; - code += " VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n"; + code += " vec3 normal = texelFetch(emission_texture_normal, emission_tex_ofs, 0).xyz;\n"; + code += " vec3 v0 = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(0.0, 1.0, 0.0);\n"; + code += " vec3 tangent = normalize(cross(v0, normal));\n"; + code += " vec3 bitangent = normalize(cross(tangent, normal));\n"; + code += " if (RESTART_VELOCITY) VELOCITY = mat3(tangent, bitangent, normal) * VELOCITY;\n"; } } } break; @@ -381,12 +383,14 @@ void ParticlesMaterial::_update_shader() { break; } } - code += " VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; - code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; + + code += " if (RESTART_VELOCITY) VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; + code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; if (flags[FLAG_DISABLE_Z]) { - code += " VELOCITY.z = 0.0;\n"; - code += " TRANSFORM[3].z = 0.0;\n"; + code += " VELOCITY.z = 0.0;\n"; + code += " TRANSFORM[3].z = 0.0;\n"; } + code += " }\n"; code += " } else {\n"; @@ -540,11 +544,6 @@ void ParticlesMaterial::_update_shader() { if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) { code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n"; } - if (trail_color_modifier.is_valid()) { - code += " if (trail_divisor > 1) {\n"; - code += " COLOR *= textureLod(trail_color_modifier, vec2(float(int(NUMBER) % trail_divisor) / float(trail_divisor - 1), 0.0), 0.0);\n"; - code += " }\n"; - } code += "\n"; if (flags[FLAG_DISABLE_Z]) { @@ -592,11 +591,6 @@ void ParticlesMaterial::_update_shader() { code += " if (base_scale < 0.000001) {\n"; code += " base_scale = 0.000001;\n"; code += " }\n"; - if (trail_size_modifier.is_valid()) { - code += " if (trail_divisor > 1) {\n"; - code += " base_scale *= textureLod(trail_size_modifier, vec2(float(int(NUMBER) % trail_divisor) / float(trail_divisor - 1), 0.0), 0.0).r;\n"; - code += " }\n"; - } code += " TRANSFORM[0].xyz *= base_scale;\n"; code += " TRANSFORM[1].xyz *= base_scale;\n"; @@ -605,6 +599,33 @@ void ParticlesMaterial::_update_shader() { code += " VELOCITY.z = 0.0;\n"; code += " TRANSFORM[3].z = 0.0;\n"; } + if (sub_emitter_mode != SUB_EMITTER_DISABLED) { + code += " int emit_count = 0;\n"; + switch (sub_emitter_mode) { + case SUB_EMITTER_CONSTANT: { + code += " float interval_from = CUSTOM.y * LIFETIME - DELTA;\n"; + code += " float interval_rem = sub_emitter_frequency - mod(interval_from,sub_emitter_frequency);\n"; + code += " if (DELTA >= interval_rem) emit_count = 1;\n"; + } break; + case SUB_EMITTER_AT_COLLISION: { + //not implemented yet + } break; + case SUB_EMITTER_AT_END: { + //not implemented yet + code += " float unit_delta = DELTA/LIFETIME;\n"; + code += " float end_time = CUSTOM.w * 0.95;\n"; // if we do at the end we might miss it, as it can just get deactivated by emitter + code += " if (CUSTOM.y < end_time && (CUSTOM.y + unit_delta) >= end_time) emit_count = sub_emitter_amount_at_end;\n"; + } break; + default: { + } + } + code += " for(int i=0;imaterial_set_param(_get_material(), shader_names->trail_divisor, p_divisor); -} - -int ParticlesMaterial::get_trail_divisor() const { - return trail_divisor; -} - -void ParticlesMaterial::set_trail_size_modifier(const Ref &p_trail_size_modifier) { - trail_size_modifier = p_trail_size_modifier; - - Ref curve = trail_size_modifier; - if (curve.is_valid()) { - curve->ensure_default_setup(); - } - - RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->trail_size_modifier, curve); - _queue_shader_change(); -} - -Ref ParticlesMaterial::get_trail_size_modifier() const { - return trail_size_modifier; -} - -void ParticlesMaterial::set_trail_color_modifier(const Ref &p_trail_color_modifier) { - trail_color_modifier = p_trail_color_modifier; - RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->trail_color_modifier, p_trail_color_modifier); - _queue_shader_change(); -} - -Ref ParticlesMaterial::get_trail_color_modifier() const { - return trail_color_modifier; -} - void ParticlesMaterial::set_gravity(const Vector3 &p_gravity) { gravity = p_gravity; Vector3 gset = gravity; @@ -1038,11 +1024,54 @@ void ParticlesMaterial::_validate_property(PropertyInfo &property) const { property.usage = 0; } + if (property.name == "sub_emitter_frequency" && sub_emitter_mode != SUB_EMITTER_CONSTANT) { + property.usage = 0; + } + + if (property.name == "sub_emitter_amount_at_end" && sub_emitter_mode != SUB_EMITTER_AT_END) { + property.usage = 0; + } + if (property.name.begins_with("orbit_") && !flags[FLAG_DISABLE_Z]) { property.usage = 0; } } +void ParticlesMaterial::set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode) { + sub_emitter_mode = p_sub_emitter_mode; + _queue_shader_change(); + _change_notify(); +} + +ParticlesMaterial::SubEmitterMode ParticlesMaterial::get_sub_emitter_mode() const { + return sub_emitter_mode; +} + +void ParticlesMaterial::set_sub_emitter_frequency(float p_frequency) { + sub_emitter_frequency = p_frequency; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_frequency, 1.0 / p_frequency); //pas delta instead of frequency, since its easier to compute +} +float ParticlesMaterial::get_sub_emitter_frequency() const { + return sub_emitter_frequency; +} + +void ParticlesMaterial::set_sub_emitter_amount_at_end(int p_amount) { + sub_emitter_amount_at_end = p_amount; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_amount_at_end, p_amount); +} + +int ParticlesMaterial::get_sub_emitter_amount_at_end() const { + return sub_emitter_amount_at_end; +} + +void ParticlesMaterial::set_sub_emitter_keep_velocity(bool p_enable) { + sub_emitter_keep_velocity = p_enable; + RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->sub_emitter_keep_velocity, p_enable); +} +bool ParticlesMaterial::get_sub_emitter_keep_velocity() const { + return sub_emitter_keep_velocity; +} + Shader::Mode ParticlesMaterial::get_shader_mode() const { return Shader::MODE_PARTICLES; } @@ -1096,27 +1125,27 @@ void ParticlesMaterial::_bind_methods() { ClassDB::bind_method(D_METHOD("set_emission_point_count", "point_count"), &ParticlesMaterial::set_emission_point_count); ClassDB::bind_method(D_METHOD("get_emission_point_count"), &ParticlesMaterial::get_emission_point_count); - ClassDB::bind_method(D_METHOD("set_trail_divisor", "divisor"), &ParticlesMaterial::set_trail_divisor); - ClassDB::bind_method(D_METHOD("get_trail_divisor"), &ParticlesMaterial::get_trail_divisor); - - ClassDB::bind_method(D_METHOD("set_trail_size_modifier", "texture"), &ParticlesMaterial::set_trail_size_modifier); - ClassDB::bind_method(D_METHOD("get_trail_size_modifier"), &ParticlesMaterial::get_trail_size_modifier); - - ClassDB::bind_method(D_METHOD("set_trail_color_modifier", "texture"), &ParticlesMaterial::set_trail_color_modifier); - ClassDB::bind_method(D_METHOD("get_trail_color_modifier"), &ParticlesMaterial::get_trail_color_modifier); - ClassDB::bind_method(D_METHOD("get_gravity"), &ParticlesMaterial::get_gravity); ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &ParticlesMaterial::set_gravity); ClassDB::bind_method(D_METHOD("set_lifetime_randomness", "randomness"), &ParticlesMaterial::set_lifetime_randomness); ClassDB::bind_method(D_METHOD("get_lifetime_randomness"), &ParticlesMaterial::get_lifetime_randomness); + ClassDB::bind_method(D_METHOD("get_sub_emitter_mode"), &ParticlesMaterial::get_sub_emitter_mode); + ClassDB::bind_method(D_METHOD("set_sub_emitter_mode", "mode"), &ParticlesMaterial::set_sub_emitter_mode); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_frequency"), &ParticlesMaterial::get_sub_emitter_frequency); + ClassDB::bind_method(D_METHOD("set_sub_emitter_frequency", "hz"), &ParticlesMaterial::set_sub_emitter_frequency); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_amount_at_end"), &ParticlesMaterial::get_sub_emitter_amount_at_end); + ClassDB::bind_method(D_METHOD("set_sub_emitter_amount_at_end", "amount"), &ParticlesMaterial::set_sub_emitter_amount_at_end); + + ClassDB::bind_method(D_METHOD("get_sub_emitter_keep_velocity"), &ParticlesMaterial::get_sub_emitter_keep_velocity); + ClassDB::bind_method(D_METHOD("set_sub_emitter_keep_velocity", "enable"), &ParticlesMaterial::set_sub_emitter_keep_velocity); + ADD_GROUP("Time", ""); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime_randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_lifetime_randomness", "get_lifetime_randomness"); - ADD_GROUP("Trail", "trail_"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "trail_divisor", PROPERTY_HINT_RANGE, "1,1000000,1"), "set_trail_divisor", "get_trail_divisor"); - ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "trail_size_modifier", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_trail_size_modifier", "get_trail_size_modifier"); - ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "trail_color_modifier", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture"), "set_trail_color_modifier", "get_trail_color_modifier"); + ADD_GROUP("Emission Shape", "emission_"); ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Box,Points,Directed Points"), "set_emission_shape", "get_emission_shape"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01,or_greater"), "set_emission_sphere_radius", "get_emission_sphere_radius"); @@ -1186,6 +1215,12 @@ void ParticlesMaterial::_bind_methods() { ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_offset_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_OFFSET); ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_ANIM_OFFSET); + ADD_GROUP("Sub Emitter", "sub_emitter_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_mode", PROPERTY_HINT_ENUM, "Disabled,Constant,AtEnd,AtCollision"), "set_sub_emitter_mode", "get_sub_emitter_mode"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "sub_emitter_frequency", PROPERTY_HINT_RANGE, "0.01,100,0.01"), "set_sub_emitter_frequency", "get_sub_emitter_frequency"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "sub_emitter_amount_at_end", PROPERTY_HINT_RANGE, "1,32,1"), "set_sub_emitter_amount_at_end", "get_sub_emitter_amount_at_end"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "sub_emitter_keep_velocity"), "set_sub_emitter_keep_velocity", "get_sub_emitter_keep_velocity"); + BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY); BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY); @@ -1233,11 +1268,15 @@ ParticlesMaterial::ParticlesMaterial() : set_emission_shape(EMISSION_SHAPE_POINT); set_emission_sphere_radius(1); set_emission_box_extents(Vector3(1, 1, 1)); - set_trail_divisor(1); set_gravity(Vector3(0, -9.8, 0)); set_lifetime_randomness(0); emission_point_count = 1; + set_sub_emitter_mode(SUB_EMITTER_DISABLED); + set_sub_emitter_frequency(4); + set_sub_emitter_amount_at_end(1); + set_sub_emitter_keep_velocity(false); + for (int i = 0; i < PARAM_MAX; i++) { set_param_randomness(Parameter(i), 0); } diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h index 1c1b6c92f9f..9d41c919374 100644 --- a/scene/resources/particles_material.h +++ b/scene/resources/particles_material.h @@ -34,6 +34,17 @@ #ifndef PARTICLES_MATERIAL_H #define PARTICLES_MATERIAL_H +/* + TODO: +-Path following +*Manual emission +-Sub Emitters +-Attractors +-Emitter positions deformable by bones +-Collision +-Proper trails +*/ + class ParticlesMaterial : public Material { GDCLASS(ParticlesMaterial, Material); @@ -71,6 +82,14 @@ public: EMISSION_SHAPE_MAX }; + enum SubEmitterMode { + SUB_EMITTER_DISABLED, + SUB_EMITTER_CONSTANT, + SUB_EMITTER_AT_END, + SUB_EMITTER_AT_COLLISION, + SUB_EMITTER_MAX + }; + private: union MaterialKey { struct { @@ -78,10 +97,9 @@ private: uint32_t texture_color : 1; uint32_t flags : 4; uint32_t emission_shape : 2; - uint32_t trail_size_texture : 1; - uint32_t trail_color_texture : 1; uint32_t invalid_key : 1; uint32_t has_emission_color : 1; + uint32_t sub_emitter : 2; }; uint32_t key; @@ -116,9 +134,8 @@ private: mk.texture_color = color_ramp.is_valid() ? 1 : 0; mk.emission_shape = emission_shape; - mk.trail_color_texture = trail_color_modifier.is_valid() ? 1 : 0; - mk.trail_size_texture = trail_size_modifier.is_valid() ? 1 : 0; mk.has_emission_color = emission_shape >= EMISSION_SHAPE_POINTS && emission_color_texture.is_valid(); + mk.sub_emitter = sub_emitter_mode; return mk; } @@ -178,13 +195,13 @@ private: StringName emission_texture_normal; StringName emission_texture_color; - StringName trail_divisor; - StringName trail_size_modifier; - StringName trail_color_modifier; - StringName gravity; StringName lifetime_randomness; + + StringName sub_emitter_frequency; + StringName sub_emitter_amount_at_end; + StringName sub_emitter_keep_velocity; }; static ShaderNames *shader_names; @@ -218,15 +235,14 @@ private: bool anim_loop; - int trail_divisor; - - Ref trail_size_modifier; - Ref trail_color_modifier; - Vector3 gravity; float lifetime_randomness; + SubEmitterMode sub_emitter_mode; + float sub_emitter_frequency; + int sub_emitter_amount_at_end; + bool sub_emitter_keep_velocity; //do not save emission points here protected: @@ -277,15 +293,6 @@ public: Ref get_emission_color_texture() const; int get_emission_point_count() const; - void set_trail_divisor(int p_divisor); - int get_trail_divisor() const; - - void set_trail_size_modifier(const Ref &p_trail_size_modifier); - Ref get_trail_size_modifier() const; - - void set_trail_color_modifier(const Ref &p_trail_color_modifier); - Ref get_trail_color_modifier() const; - void set_gravity(const Vector3 &p_gravity); Vector3 get_gravity() const; @@ -296,6 +303,18 @@ public: static void finish_shaders(); static void flush_changes(); + void set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode); + SubEmitterMode get_sub_emitter_mode() const; + + void set_sub_emitter_frequency(float p_frequency); + float get_sub_emitter_frequency() const; + + void set_sub_emitter_amount_at_end(int p_amount); + int get_sub_emitter_amount_at_end() const; + + void set_sub_emitter_keep_velocity(bool p_enable); + bool get_sub_emitter_keep_velocity() const; + RID get_shader_rid() const; virtual Shader::Mode get_shader_mode() const override; @@ -307,5 +326,6 @@ public: VARIANT_ENUM_CAST(ParticlesMaterial::Parameter) VARIANT_ENUM_CAST(ParticlesMaterial::Flags) VARIANT_ENUM_CAST(ParticlesMaterial::EmissionShape) +VARIANT_ENUM_CAST(ParticlesMaterial::SubEmitterMode) #endif // PARTICLES_MATERIAL_H diff --git a/servers/rendering/rasterizer.h b/servers/rendering/rasterizer.h index 41dcd387de6..989c9e2834c 100644 --- a/servers/rendering/rasterizer.h +++ b/servers/rendering/rasterizer.h @@ -661,6 +661,8 @@ public: 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_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; virtual bool particles_is_inactive(RID p_particles) const = 0; diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp index e09926c97e2..d751f474cd5 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.cpp @@ -3119,52 +3119,47 @@ bool RasterizerStorageRD::particles_get_emitting(RID p_particles) { return particles->emitting; } +void RasterizerStorageRD::_particles_free_data(Particles *particles) { + if (!particles->particle_buffer.is_valid()) { + return; + } + RD::get_singleton()->free(particles->particle_buffer); + RD::get_singleton()->free(particles->frame_params_buffer); + RD::get_singleton()->free(particles->particle_instance_buffer); + particles->particles_transforms_buffer_uniform_set = RID(); + particles->particle_buffer = RID(); + + if (particles->particles_sort_buffer.is_valid()) { + RD::get_singleton()->free(particles->particles_sort_buffer); + particles->particles_sort_buffer = RID(); + } + + if (particles->emission_buffer != nullptr) { + particles->emission_buffer = nullptr; + particles->emission_buffer_data.clear(); + RD::get_singleton()->free(particles->emission_storage_buffer); + particles->emission_storage_buffer = RID(); + } +} + void RasterizerStorageRD::particles_set_amount(RID p_particles, int p_amount) { Particles *particles = particles_owner.getornull(p_particles); ERR_FAIL_COND(!particles); - particles->amount = p_amount; - - if (particles->particle_buffer.is_valid()) { - RD::get_singleton()->free(particles->particle_buffer); - RD::get_singleton()->free(particles->frame_params_buffer); - RD::get_singleton()->free(particles->particle_instance_buffer); - particles->particles_transforms_buffer_uniform_set = RID(); - particles->particle_buffer = RID(); - - if (particles->particles_sort_buffer.is_valid()) { - RD::get_singleton()->free(particles->particles_sort_buffer); - particles->particles_sort_buffer = RID(); - } + if (particles->amount == p_amount) { + return; } + _particles_free_data(particles); + + particles->amount = p_amount; + if (particles->amount > 0) { particles->particle_buffer = RD::get_singleton()->storage_buffer_create(sizeof(ParticleData) * p_amount); particles->frame_params_buffer = RD::get_singleton()->storage_buffer_create(sizeof(ParticlesFrameParams) * 1); particles->particle_instance_buffer = RD::get_singleton()->storage_buffer_create(sizeof(float) * 4 * (3 + 1 + 1) * p_amount); //needs to clear it - { - Vector uniforms; - - { - RD::Uniform u; - u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; - u.binding = 0; - u.ids.push_back(particles->frame_params_buffer); - uniforms.push_back(u); - } - { - RD::Uniform u; - u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; - u.binding = 1; - u.ids.push_back(particles->particle_buffer); - uniforms.push_back(u); - } - - particles->particles_material_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 1); - } - { Vector uniforms; @@ -3290,6 +3285,79 @@ void RasterizerStorageRD::particles_restart(RID p_particles) { particles->restart_request = true; } +void RasterizerStorageRD::_particles_allocate_emission_buffer(Particles *particles) { + ERR_FAIL_COND(particles->emission_buffer != nullptr); + + particles->emission_buffer_data.resize(sizeof(ParticleEmissionBuffer::Data) * particles->amount + sizeof(uint32_t) * 4); + zeromem(particles->emission_buffer_data.ptrw(), particles->emission_buffer_data.size()); + particles->emission_buffer = (ParticleEmissionBuffer *)particles->emission_buffer_data.ptrw(); + particles->emission_buffer->particle_max = particles->amount; + + particles->emission_storage_buffer = RD::get_singleton()->storage_buffer_create(particles->emission_buffer_data.size(), particles->emission_buffer_data); + + if (RD::get_singleton()->uniform_set_is_valid(particles->particles_material_uniform_set)) { + //will need to be re-created + RD::get_singleton()->free(particles->particles_material_uniform_set); + particles->particles_material_uniform_set = RID(); + } +} + +void RasterizerStorageRD::particles_set_subemitter(RID p_particles, RID p_subemitter_particles) { + Particles *particles = particles_owner.getornull(p_particles); + ERR_FAIL_COND(!particles); + ERR_FAIL_COND(p_particles == p_subemitter_particles); + + particles->sub_emitter = p_subemitter_particles; + + if (RD::get_singleton()->uniform_set_is_valid(particles->particles_material_uniform_set)) { + RD::get_singleton()->free(particles->particles_material_uniform_set); + particles->particles_material_uniform_set = RID(); //clear and force to re create sub emitting + } +} + +void RasterizerStorageRD::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) { + Particles *particles = particles_owner.getornull(p_particles); + ERR_FAIL_COND(!particles); + ERR_FAIL_COND(particles->amount == 0); + + if (particles->emitting) { + particles->clear = true; + particles->emitting = false; + } + + if (particles->emission_buffer == nullptr) { + _particles_allocate_emission_buffer(particles); + } + + if (particles->inactive) { + //in case it was inactive, make active again + particles->inactive = false; + particles->inactive_time = 0; + } + + int32_t idx = particles->emission_buffer->particle_count; + if (idx < particles->emission_buffer->particle_max) { + store_transform(p_transform, particles->emission_buffer->data[idx].xform); + + particles->emission_buffer->data[idx].velocity[0] = p_velocity.x; + particles->emission_buffer->data[idx].velocity[1] = p_velocity.y; + particles->emission_buffer->data[idx].velocity[2] = p_velocity.z; + + particles->emission_buffer->data[idx].custom[0] = p_custom.r; + particles->emission_buffer->data[idx].custom[1] = p_custom.g; + particles->emission_buffer->data[idx].custom[2] = p_custom.b; + particles->emission_buffer->data[idx].custom[3] = p_custom.a; + + particles->emission_buffer->data[idx].color[0] = p_color.r; + particles->emission_buffer->data[idx].color[1] = p_color.g; + particles->emission_buffer->data[idx].color[2] = p_color.b; + particles->emission_buffer->data[idx].color[3] = p_color.a; + + particles->emission_buffer->data[idx].flags = p_emit_flags; + particles->emission_buffer->particle_count++; + } +} + void RasterizerStorageRD::particles_request_process(RID p_particles) { Particles *particles = particles_owner.getornull(p_particles); ERR_FAIL_COND(!particles); @@ -3375,6 +3443,54 @@ RID RasterizerStorageRD::particles_get_draw_pass_mesh(RID p_particles, int p_pas } 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 uniforms; + + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 0; + u.ids.push_back(p_particles->frame_params_buffer); + uniforms.push_back(u); + } + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 1; + u.ids.push_back(p_particles->particle_buffer); + uniforms.push_back(u); + } + + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 2; + if (p_particles->emission_storage_buffer.is_valid()) { + u.ids.push_back(p_particles->emission_storage_buffer); + } else { + u.ids.push_back(default_rd_storage_buffer); + } + uniforms.push_back(u); + } + { + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_STORAGE_BUFFER; + u.binding = 3; + Particles *sub_emitter = particles_owner.getornull(p_particles->sub_emitter); + if (sub_emitter) { + if (sub_emitter->emission_buffer == nullptr) { //no emission buffer, allocate emission buffer + _particles_allocate_emission_buffer(sub_emitter); + } + u.ids.push_back(sub_emitter->emission_storage_buffer); + } else { + u.ids.push_back(default_rd_storage_buffer); + } + uniforms.push_back(u); + } + + p_particles->particles_material_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 1); + } + float new_phase = Math::fmod((float)p_particles->phase + (p_delta / p_particles->lifetime) * p_particles->speed_scale, (float)1.0); ParticlesFrameParams &frame_params = p_particles->frame_params; @@ -3416,6 +3532,36 @@ void RasterizerStorageRD::_particles_process(Particles *p_particles, float p_del push_constant.lifetime = p_particles->lifetime; push_constant.trail_size = 1; push_constant.use_fractional_delta = p_particles->fractional_delta; + push_constant.sub_emitter_mode = !p_particles->emitting && p_particles->emission_buffer && (p_particles->emission_buffer->particle_count > 0 || p_particles->force_sub_emit); + + p_particles->force_sub_emit = false; //reset + + Particles *sub_emitter = particles_owner.getornull(p_particles->sub_emitter); + + if (sub_emitter && sub_emitter->emission_storage_buffer.is_valid()) { + // print_line("updating subemitter buffer"); + int32_t zero[4] = { 0, sub_emitter->amount, 0, 0 }; + RD::get_singleton()->buffer_update(sub_emitter->emission_storage_buffer, 0, sizeof(uint32_t) * 4, zero, true); + push_constant.can_emit = true; + + if (sub_emitter->emitting) { + sub_emitter->emitting = false; + sub_emitter->clear = true; //will need to clear if it was emitting, sorry + } + //make sure the sub emitter processes particles too + sub_emitter->inactive = false; + sub_emitter->inactive_time = 0; + + sub_emitter->force_sub_emit = true; + + } else { + push_constant.can_emit = false; + } + + if (p_particles->emission_buffer && p_particles->emission_buffer->particle_count) { + RD::get_singleton()->buffer_update(p_particles->emission_storage_buffer, 0, sizeof(uint32_t) * 4 + sizeof(ParticleEmissionBuffer::Data) * p_particles->emission_buffer->particle_count, p_particles->emission_buffer, true); + p_particles->emission_buffer->particle_count = 0; + } p_particles->clear = false; @@ -3617,9 +3763,6 @@ void RasterizerStorageRD::update_particles() { RD::get_singleton()->compute_list_end(); } - particle_update_list = particles->update_list; - particles->update_list = nullptr; - particles->instance_dependency.instance_notify_changed(true, false); //make sure shadows are updated } } @@ -6519,6 +6662,11 @@ bool RasterizerStorageRD::free(RID p_rid) { light->instance_dependency.instance_notify_deleted(p_rid); light_owner.free(p_rid); + } else if (particles_owner.owns(p_rid)) { + Particles *particles = particles_owner.getornull(p_rid); + _particles_free_data(particles); + particles->instance_dependency.instance_notify_deleted(p_rid); + particles_owner.free(p_rid); } else if (render_target_owner.owns(p_rid)) { RenderTarget *rt = render_target_owner.getornull(p_rid); @@ -7013,6 +7161,17 @@ RasterizerStorageRD::RasterizerStorageRD() { //actions.renames["GRAVITY"] = "current_gravity"; actions.renames["EMISSION_TRANSFORM"] = "FRAME.emission_transform"; actions.renames["RANDOM_SEED"] = "FRAME.random_seed"; + actions.renames["FLAG_EMIT_POSITION"] = "EMISSION_FLAG_HAS_POSITION"; + actions.renames["FLAG_EMIT_ROT_SCALE"] = "EMISSION_FLAG_HAS_ROTATION_SCALE"; + actions.renames["FLAG_EMIT_VELOCITY"] = "EMISSION_FLAG_HAS_VELOCITY"; + actions.renames["FLAG_EMIT_COLOR"] = "EMISSION_FLAG_HAS_COLOR"; + actions.renames["FLAG_EMIT_CUSTOM"] = "EMISSION_FLAG_HAS_CUSTOM"; + actions.renames["RESTART_POSITION"] = "restart_position"; + actions.renames["RESTART_ROT_SCALE"] = "restart_rotation_scale"; + actions.renames["RESTART_VELOCITY"] = "restart_velocity"; + actions.renames["RESTART_COLOR"] = "restart_color"; + actions.renames["RESTART_CUSTOM"] = "restart_custom"; + actions.renames["emit_particle"] = "emit_particle"; actions.render_mode_defines["disable_force"] = "#define DISABLE_FORCE\n"; actions.render_mode_defines["disable_velocity"] = "#define DISABLE_VELOCITY\n"; @@ -7075,6 +7234,8 @@ RasterizerStorageRD::RasterizerStorageRD() { particles_shader.base_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 0); } + default_rd_storage_buffer = RD::get_singleton()->storage_buffer_create(sizeof(uint32_t) * 4); + { Vector copy_modes; copy_modes.push_back("\n#define MODE_FILL_INSTANCES\n"); @@ -7115,6 +7276,8 @@ RasterizerStorageRD::~RasterizerStorageRD() { } giprobe_sdf_shader.version_free(giprobe_sdf_shader_version); + RD::get_singleton()->free(default_rd_storage_buffer); + if (decal_atlas.textures.size()) { ERR_PRINT("Decal Atlas: " + itos(decal_atlas.textures.size()) + " textures were not removed from the atlas."); } diff --git a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h index e09b4a52eb4..cecae6bbb2a 100644 --- a/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h +++ b/servers/rendering/rasterizer_rd/rasterizer_storage_rd.h @@ -249,6 +249,7 @@ private: RID default_rd_textures[DEFAULT_RD_TEXTURE_MAX]; RID default_rd_samplers[RS::CANVAS_ITEM_TEXTURE_FILTER_MAX][RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX]; + RID default_rd_storage_buffer; /* DECAL ATLAS */ @@ -482,6 +483,25 @@ private: float emission_transform[16]; }; + struct ParticleEmissionBufferData { + }; + + struct ParticleEmissionBuffer { + struct Data { + float xform[16]; + float velocity[3]; + uint32_t flags; + float color[4]; + float custom[4]; + }; + + int32_t particle_count; + int32_t particle_max; + uint32_t pad1; + uint32_t pad2; + Data data[1]; //its 2020 and empty arrays are still non standard in C++ + }; + struct Particles { bool inactive; float inactive_time; @@ -515,6 +535,8 @@ private: bool dirty = false; Particles *update_list = nullptr; + RID sub_emitter; + float phase; float prev_phase; uint64_t prev_ticks; @@ -530,8 +552,15 @@ private: bool clear; + bool force_sub_emit = false; + Transform emission_transform; + Vector emission_buffer_data; + + ParticleEmissionBuffer *emission_buffer = nullptr; + RID emission_storage_buffer; + Particles() : inactive(true), inactive_time(0.0), @@ -562,6 +591,8 @@ private: }; void _particles_process(Particles *p_particles, float p_delta); + void _particles_allocate_emission_buffer(Particles *particles); + void _particles_free_data(Particles *particles); struct ParticlesShader { struct PushConstant { @@ -569,8 +600,11 @@ private: uint32_t clear; uint32_t total_particles; uint32_t trail_size; + uint32_t use_fractional_delta; - uint32_t pad[3]; + uint32_t sub_emitter_mode; + uint32_t can_emit; + uint32_t pad; }; ParticlesShaderRD shader; @@ -1650,6 +1684,8 @@ public: void particles_set_fixed_fps(RID p_particles, int p_fps); void particles_set_fractional_delta(RID p_particles, bool p_enable); 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); void particles_set_draw_order(RID p_particles, RS::ParticlesDrawOrder p_order); diff --git a/servers/rendering/rasterizer_rd/shaders/particles.glsl b/servers/rendering/rasterizer_rd/shaders/particles.glsl index 7cdedfcbfe3..3de807b57c4 100644 --- a/servers/rendering/rasterizer_rd/shaders/particles.glsl +++ b/servers/rendering/rasterizer_rd/shaders/particles.glsl @@ -66,6 +66,38 @@ layout(set = 1, binding = 1, std430) restrict buffer Particles { } particles; +#define EMISSION_FLAG_HAS_POSITION 1 +#define EMISSION_FLAG_HAS_ROTATION_SCALE 2 +#define EMISSION_FLAG_HAS_VELOCITY 4 +#define EMISSION_FLAG_HAS_COLOR 8 +#define EMISSION_FLAG_HAS_CUSTOM 16 + +struct ParticleEmission { + mat4 xform; + vec3 velocity; + uint flags; + vec4 color; + vec4 custom; +}; + +layout(set = 1, binding = 2, std430) restrict volatile coherent buffer SourceEmission { + int particle_count; + uint pad0; + uint pad1; + uint pad2; + ParticleEmission data[]; +} +src_particles; + +layout(set = 1, binding = 3, std430) restrict volatile coherent buffer DestEmission { + int particle_count; + int particle_max; + uint pad1; + uint pad2; + ParticleEmission data[]; +} +dst_particles; + /* SET 2: MATERIAL */ #ifdef USE_MATERIAL_UNIFORMS @@ -82,7 +114,9 @@ layout(push_constant, binding = 0, std430) uniform Params { uint total_particles; uint trail_size; bool use_fractional_delta; - uint pad[3]; + bool sub_emitter_mode; + bool can_emit; + uint pad; } params; @@ -93,6 +127,51 @@ uint hash(uint x) { return x; } +bool emit_particle(mat4 p_xform, vec3 p_velocity, vec4 p_color, vec4 p_custom, uint p_flags) { + if (!params.can_emit) { + return false; + } + + bool valid = false; + + int dst_index = atomicAdd(dst_particles.particle_count, 1); + + if (dst_index >= dst_particles.particle_max) { + 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; //cant 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; + dst_particles.data[dst_index].custom = p_custom; + dst_particles.data[dst_index].flags = p_flags; + + return true; +} + /* clang-format off */ COMPUTE_SHADER_GLOBALS @@ -118,71 +197,19 @@ void main() { float mass = 1.0; - float restart_phase = float(index) / float(params.total_particles); - - if (FRAME.randomness > 0.0) { - uint seed = FRAME.cycle; - if (restart_phase >= FRAME.system_phase) { - seed -= uint(1); - } - seed *= uint(params.total_particles); - seed += uint(index); - float random = float(hash(seed) % uint(65536)) / 65536.0; - restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); - } - - restart_phase *= (1.0 - FRAME.explosiveness); - bool restart = false; - if (FRAME.system_phase > FRAME.prev_system_phase) { - // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed + bool restart_position = false; + bool restart_rotation_scale = false; + bool restart_velocity = false; + bool restart_color = false; + bool restart_custom = false; - if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - - } else if (FRAME.delta > 0.0) { - if (restart_phase >= FRAME.prev_system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; - } - - } else if (restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - } - - uint current_cycle = FRAME.cycle; - - if (FRAME.system_phase < restart_phase) { - current_cycle -= uint(1); - } - - uint particle_number = current_cycle * uint(params.total_particles) + particle; - - if (restart) { - PARTICLE.is_active = FRAME.emitting; - } - -#ifdef ENABLE_KEEP_DATA if (params.clear) { -#else - if (params.clear || restart) { -#endif PARTICLE.color = vec4(1.0); PARTICLE.custom = vec4(0.0); PARTICLE.velocity = vec3(0.0); - if (!restart) { - PARTICLE.is_active = false; - } + PARTICLE.is_active = false; PARTICLE.xform = mat4( vec4(1.0, 0.0, 0.0, 0.0), vec4(0.0, 1.0, 0.0, 0.0), @@ -190,6 +217,111 @@ void main() { vec4(0.0, 0.0, 0.0, 1.0)); } + if (params.sub_emitter_mode) { + if (!PARTICLE.is_active) { + int src_index = atomicAdd(src_particles.particle_count, -1) - 1; + + if (src_index >= 0) { + PARTICLE.is_active = true; + restart = true; + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) { + PARTICLE.xform[3] = src_particles.data[src_index].xform[3]; + } else { + PARTICLE.xform[3] = vec4(0, 0, 0, 1); + restart_position = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) { + PARTICLE.xform[0] = src_particles.data[src_index].xform[0]; + PARTICLE.xform[1] = src_particles.data[src_index].xform[1]; + PARTICLE.xform[2] = src_particles.data[src_index].xform[2]; + } else { + PARTICLE.xform[0] = vec4(1, 0, 0, 0); + PARTICLE.xform[1] = vec4(0, 1, 0, 0); + PARTICLE.xform[2] = vec4(0, 0, 1, 0); + restart_rotation_scale = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) { + PARTICLE.velocity = src_particles.data[src_index].velocity; + } else { + PARTICLE.velocity = vec3(0); + restart_velocity = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) { + PARTICLE.color = src_particles.data[src_index].color; + } else { + PARTICLE.color = vec4(1); + restart_color = true; + } + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) { + PARTICLE.custom = src_particles.data[src_index].custom; + } else { + PARTICLE.custom = vec4(0); + restart_custom = true; + } + } + } + + } else if (FRAME.emitting) { + float restart_phase = float(index) / float(params.total_particles); + + if (FRAME.randomness > 0.0) { + uint seed = FRAME.cycle; + if (restart_phase >= FRAME.system_phase) { + seed -= uint(1); + } + seed *= uint(params.total_particles); + seed += uint(index); + float random = float(hash(seed) % uint(65536)) / 65536.0; + restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); + } + + restart_phase *= (1.0 - FRAME.explosiveness); + + if (FRAME.system_phase > FRAME.prev_system_phase) { + // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed + + if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + + } else if (FRAME.delta > 0.0) { + if (restart_phase >= FRAME.prev_system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; + } + + } else if (restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + } + + uint current_cycle = FRAME.cycle; + + if (FRAME.system_phase < restart_phase) { + current_cycle -= uint(1); + } + + uint particle_number = current_cycle * uint(params.total_particles) + particle; + + if (restart) { + PARTICLE.is_active = FRAME.emitting; + restart_position = true; + restart_rotation_scale = true; + restart_velocity = true; + restart_color = true; + restart_custom = true; + } + } + if (PARTICLE.is_active) { /* clang-format off */ diff --git a/servers/rendering/rendering_server_raster.h b/servers/rendering/rendering_server_raster.h index 547595f9b0f..ceefcfa1fc7 100644 --- a/servers/rendering/rendering_server_raster.h +++ b/servers/rendering/rendering_server_raster.h @@ -442,6 +442,8 @@ public: BIND1R(bool, particles_is_inactive, RID) BIND1(particles_request_process, RID) 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_draw_order, RID, RS::ParticlesDrawOrder) diff --git a/servers/rendering/rendering_server_wrap_mt.h b/servers/rendering/rendering_server_wrap_mt.h index 40aff46a3cd..a8a56e7d56d 100644 --- a/servers/rendering/rendering_server_wrap_mt.h +++ b/servers/rendering/rendering_server_wrap_mt.h @@ -360,11 +360,14 @@ public: FUNC1(particles_request_process, RID) FUNC1(particles_restart, RID) + FUNC6(particles_emit, RID, const Transform &, const Vector3 &, const Color &, const Color &, uint32_t) + FUNC2(particles_set_draw_order, RID, RS::ParticlesDrawOrder) FUNC2(particles_set_draw_passes, RID, int) FUNC3(particles_set_draw_pass_mesh, RID, int, RID) FUNC2(particles_set_emission_transform, RID, const Transform &) + FUNC2(particles_set_subemitter, RID, RID) FUNC1R(AABB, particles_get_current_aabb, RID) diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp index e9b1cb366de..28c41fb2dc2 100644 --- a/servers/rendering/shader_language.cpp +++ b/servers/rendering/shader_language.cpp @@ -920,13 +920,13 @@ void ShaderLanguage::clear() { } } -bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_reassign, const Map &p_builtin_types, const StringName &p_identifier, DataType *r_data_type, IdentifierType *r_type, bool *r_is_const, int *r_array_size, StringName *r_struct_name) { - if (p_builtin_types.has(p_identifier)) { +bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_reassign, const FunctionInfo &p_function_info, const StringName &p_identifier, DataType *r_data_type, IdentifierType *r_type, bool *r_is_const, int *r_array_size, StringName *r_struct_name) { + if (p_function_info.built_ins.has(p_identifier)) { if (r_data_type) { - *r_data_type = p_builtin_types[p_identifier].type; + *r_data_type = p_function_info.built_ins[p_identifier].type; } if (r_is_const) { - *r_is_const = p_builtin_types[p_identifier].constant; + *r_is_const = p_function_info.built_ins[p_identifier].constant; } if (r_type) { *r_type = IDENTIFIER_BUILTIN_VAR; @@ -935,6 +935,20 @@ bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_rea return true; } + if (p_function_info.stage_functions.has(p_identifier)) { + if (r_data_type) { + *r_data_type = p_function_info.stage_functions[p_identifier].return_type; + } + if (r_is_const) { + *r_is_const = true; + } + if (r_type) { + *r_type = IDENTIFIER_FUNCTION; + } + + return true; + } + FunctionNode *function = nullptr; while (p_block) { @@ -2152,7 +2166,7 @@ const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[] { nullptr, 0 } }; -bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Map &p_builtin_types, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str) { +bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str) { ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, false); Vector args; @@ -2169,6 +2183,30 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Mapuniforms.has(varname)) { fail = true; } else { - if (p_builtin_types.has(varname)) { - BuiltInInfo info = p_builtin_types[varname]; + if (p_function_info.built_ins.has(varname)) { + BuiltInInfo info = p_function_info.built_ins[varname]; if (info.constant) { fail = true; } @@ -2278,7 +2316,7 @@ bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const Mapvariables.has(var_name) || p_builtin_types.has(var_name)) { + if (b->variables.has(var_name) || p_function_info.built_ins.has(var_name)) { valid = true; break; } @@ -2492,7 +2530,7 @@ bool ShaderLanguage::_compare_datatypes_in_nodes(Node *a, Node *b) const { return true; } -bool ShaderLanguage::_parse_function_arguments(BlockNode *p_block, const Map &p_builtin_types, OperatorNode *p_func, int *r_complete_arg) { +bool ShaderLanguage::_parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg) { TkPos pos = _get_tkpos(); Token tk = _get_token(); @@ -2514,7 +2552,7 @@ bool ShaderLanguage::_parse_function_arguments(BlockNode *p_block, const Map &p_builtin_types, String *r_message) { +bool ShaderLanguage::_validate_assign(Node *p_node, const FunctionInfo &p_function_info, String *r_message) { if (p_node->type == Node::TYPE_OPERATOR) { OperatorNode *op = static_cast(p_node); if (op->op == OP_INDEX) { - return _validate_assign(op->arguments[0], p_builtin_types, r_message); + return _validate_assign(op->arguments[0], p_function_info, r_message); } else if (_is_operator_assign(op->op)) { //chained assignment - return _validate_assign(op->arguments[1], p_builtin_types, r_message); + return _validate_assign(op->arguments[1], p_function_info, r_message); } else if (op->op == OP_CALL) { if (r_message) { @@ -3081,7 +3119,7 @@ bool ShaderLanguage::_validate_assign(Node *p_node, const Mapowner, p_builtin_types, r_message); + return _validate_assign(member->owner, p_function_info, r_message); } else if (p_node->type == Node::TYPE_VARIABLE) { VariableNode *var = static_cast(p_node); @@ -3107,7 +3145,7 @@ bool ShaderLanguage::_validate_assign(Node *p_node, const Mapname) && p_builtin_types[var->name].constant)) { + if (!(p_function_info.built_ins.has(var->name) && p_function_info.built_ins[var->name].constant)) { return true; } } else if (p_node->type == Node::TYPE_ARRAY) { @@ -3204,7 +3242,7 @@ bool ShaderLanguage::_propagate_function_call_sampler_builtin_reference(StringNa ERR_FAIL_V(false); //bug? function not found } -ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, const Map &p_builtin_types) { +ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info) { Vector expression; //Vector operators; @@ -3220,7 +3258,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons if (tk.type == TK_PARENTHESIS_OPEN) { //handle subexpression - expr = _parse_and_reduce_expression(p_block, p_builtin_types); + expr = _parse_and_reduce_expression(p_block, p_function_info); if (!expr) { return nullptr; } @@ -3293,7 +3331,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons int carg = -1; - bool ok = _parse_function_arguments(p_block, p_builtin_types, func, &carg); + bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg); if (carg >= 0) { completion_type = COMPLETION_CALL_ARGUMENTS; @@ -3307,7 +3345,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons return nullptr; } - if (!_validate_function_call(p_block, p_builtin_types, func, &func->return_cache, &func->struct_name)) { + if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name)) { _set_error("No matching constructor found for: '" + String(funcname->name) + "'"); return nullptr; } @@ -3383,7 +3421,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons } else { _set_tkpos(pos2); - Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(p_block, p_function_info); if (!n || n->type != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) { _set_error("Expected single integer constant > 0"); return nullptr; @@ -3444,7 +3482,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons if (tk.type == TK_PARENTHESIS_OPEN || auto_size) { // initialization while (true) { - Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(p_block, p_function_info); if (!n) { return nullptr; } @@ -3484,7 +3522,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons nexpr = an; } else { - nexpr = _parse_and_reduce_expression(p_block, p_builtin_types); + nexpr = _parse_and_reduce_expression(p_block, p_function_info); if (!nexpr) { return nullptr; } @@ -3526,7 +3564,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons int carg = -1; - bool ok = _parse_function_arguments(p_block, p_builtin_types, func, &carg); + bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg); // Check if block has a variable with the same name as function to prevent shader crash. ShaderLanguage::BlockNode *bnode = p_block; @@ -3568,7 +3606,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons return nullptr; } - if (!_validate_function_call(p_block, p_builtin_types, func, &func->return_cache, &func->struct_name)) { + if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name)) { _set_error("No matching function found for: '" + String(funcname->name) + "'"); return nullptr; } @@ -3620,8 +3658,8 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons } else if (shader->uniforms.has(varname)) { error = true; } else { - if (p_builtin_types.has(varname)) { - BuiltInInfo info = p_builtin_types[varname]; + if (p_function_info.built_ins.has(varname)) { + BuiltInInfo info = p_function_info.built_ins[varname]; if (info.constant) { error = true; } @@ -3653,7 +3691,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons if (!_propagate_function_call_sampler_uniform_settings(name, i, u->filter, u->repeat)) { return nullptr; } - } else if (p_builtin_types.has(varname)) { + } else if (p_function_info.built_ins.has(varname)) { //a built-in if (!_propagate_function_call_sampler_builtin_reference(name, i, varname)) { return nullptr; @@ -3708,7 +3746,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons return nullptr; } } else { - if (!_find_identifier(p_block, false, p_builtin_types, identifier, &data_type, &ident_type, &is_const, &array_size, &struct_name)) { + if (!_find_identifier(p_block, false, p_function_info, identifier, &data_type, &ident_type, &is_const, &array_size, &struct_name)) { _set_error("Unknown identifier in expression: " + String(identifier)); return nullptr; } @@ -3733,7 +3771,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons if (tk.type == TK_PERIOD) { completion_class = TAG_ARRAY; p_block->block_tag = SubClassTag::TAG_ARRAY; - call_expression = _parse_and_reduce_expression(p_block, p_builtin_types); + call_expression = _parse_and_reduce_expression(p_block, p_function_info); p_block->block_tag = SubClassTag::TAG_GLOBAL; if (!call_expression) { return nullptr; @@ -3741,7 +3779,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons data_type = call_expression->get_datatype(); } else { // indexing - index_expression = _parse_and_reduce_expression(p_block, p_builtin_types); + index_expression = _parse_and_reduce_expression(p_block, p_function_info); if (!index_expression) { return nullptr; } @@ -4121,7 +4159,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons _set_error("Nested array length() is not yet implemented"); return nullptr; } else if (tk.type == TK_BRACKET_OPEN) { - Node *index_expression = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *index_expression = _parse_and_reduce_expression(p_block, p_function_info); if (!index_expression) { return nullptr; } @@ -4170,7 +4208,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons */ } else if (tk.type == TK_BRACKET_OPEN) { - Node *index = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *index = _parse_and_reduce_expression(p_block, p_function_info); if (!index) { return nullptr; } @@ -4312,7 +4350,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons return nullptr; } - if (!_validate_assign(expr, p_builtin_types)) { + if (!_validate_assign(expr, p_function_info)) { _set_error("Invalid use of increment/decrement operator in constant expression."); return nullptr; } @@ -4610,7 +4648,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons for (int i = expr_pos - 1; i >= next_op; i--) { OperatorNode *op = alloc_node(); op->op = expression[i].op; - if ((op->op == OP_INCREMENT || op->op == OP_DECREMENT) && !_validate_assign(expression[i + 1].node, p_builtin_types)) { + if ((op->op == OP_INCREMENT || op->op == OP_DECREMENT) && !_validate_assign(expression[i + 1].node, p_function_info)) { _set_error("Can't use increment/decrement operator in constant expression."); return nullptr; } @@ -4684,7 +4722,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons if (_is_operator_assign(op->op)) { String assign_message; - if (!_validate_assign(expression[next_op - 1].node, p_builtin_types, &assign_message)) { + if (!_validate_assign(expression[next_op - 1].node, p_function_info, &assign_message)) { _set_error(assign_message); return nullptr; } @@ -4838,8 +4876,8 @@ ShaderLanguage::Node *ShaderLanguage::_reduce_expression(BlockNode *p_block, Sha return p_node; } -ShaderLanguage::Node *ShaderLanguage::_parse_and_reduce_expression(BlockNode *p_block, const Map &p_builtin_types) { - ShaderLanguage::Node *expr = _parse_expression(p_block, p_builtin_types); +ShaderLanguage::Node *ShaderLanguage::_parse_and_reduce_expression(BlockNode *p_block, const FunctionInfo &p_function_info) { + ShaderLanguage::Node *expr = _parse_expression(p_block, p_function_info); if (!expr) { //errored return nullptr; } @@ -4849,7 +4887,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_and_reduce_expression(BlockNode *p_ return expr; } -Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map &p_builtin_types, bool p_just_one, bool p_can_break, bool p_can_continue) { +Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_function_info, bool p_just_one, bool p_can_break, bool p_can_continue) { while (true) { TkPos pos = _get_tkpos(); @@ -4933,7 +4971,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Maptype != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) { _set_error("Expected single integer constant > 0"); return ERR_PARSE_ERROR; @@ -5133,7 +5171,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map(); block->parent_block = p_block; - if (_parse_block(block, p_builtin_types, false, p_can_break, p_can_continue) != OK) { + if (_parse_block(block, p_function_info, false, p_can_break, p_can_continue) != OK) { return ERR_PARSE_ERROR; } p_block->statements.push_back(block); @@ -5279,7 +5317,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map(); cf->flow_op = FLOW_OP_IF; - Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(p_block, p_function_info); if (!n) { return ERR_PARSE_ERROR; } @@ -5301,7 +5339,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapblocks.push_back(block); p_block->statements.push_back(cf); - Error err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue); + Error err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue); if (err) { return err; } @@ -5312,7 +5350,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map(); block->parent_block = p_block; cf->blocks.push_back(block); - err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue); + err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue); } else { _set_tkpos(pos); //rollback @@ -5331,7 +5369,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map(); cf->flow_op = FLOW_OP_SWITCH; - Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(p_block, p_function_info); if (!n) { return ERR_PARSE_ERROR; } @@ -5359,7 +5397,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapblocks.push_back(case_block); p_block->statements.push_back(cf); - Error err = _parse_block(case_block, p_builtin_types, false, true, false); + Error err = _parse_block(case_block, p_function_info, false, true, false); if (err) { return err; } @@ -5494,7 +5532,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapblocks.push_back(default_block); p_block->statements.push_back(cf); - Error err = _parse_block(default_block, p_builtin_types, false, true, false); + Error err = _parse_block(default_block, p_function_info, false, true, false); if (err) { return err; } @@ -5511,7 +5549,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map(); do_block->parent_block = p_block; - Error err = _parse_block(do_block, p_builtin_types, true, true, true); + Error err = _parse_block(do_block, p_function_info, true, true, true); if (err) { return err; } @@ -5535,7 +5573,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapflow_op = FLOW_OP_WHILE; } - Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(p_block, p_function_info); if (!n) { return ERR_PARSE_ERROR; } @@ -5552,7 +5590,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapblocks.push_back(block); p_block->statements.push_back(cf); - Error err = _parse_block(block, p_builtin_types, true, true, true); + Error err = _parse_block(block, p_function_info, true, true, true); if (err) { return err; } @@ -5583,11 +5621,11 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapparent_block = p_block; init_block->single_statement = true; cf->blocks.push_back(init_block); - if (_parse_block(init_block, p_builtin_types, true, false, false) != OK) { + if (_parse_block(init_block, p_function_info, true, false, false) != OK) { return ERR_PARSE_ERROR; } - Node *n = _parse_and_reduce_expression(init_block, p_builtin_types); + Node *n = _parse_and_reduce_expression(init_block, p_function_info); if (!n) { return ERR_PARSE_ERROR; } @@ -5605,7 +5643,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapexpressions.push_back(n); - n = _parse_and_reduce_expression(init_block, p_builtin_types); + n = _parse_and_reduce_expression(init_block, p_function_info); if (!n) { return ERR_PARSE_ERROR; } @@ -5623,7 +5661,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Mapblocks.push_back(block); p_block->statements.push_back(cf); - Error err = _parse_block(block, p_builtin_types, true, true, true); + Error err = _parse_block(block, p_function_info, true, true, true); if (err) { return err; } @@ -5659,7 +5697,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map &p_funct name = tk.text; - if (_find_identifier(nullptr, false, Map(), name)) { + if (_find_identifier(nullptr, false, FunctionInfo(), name)) { _set_error("Redefinition of '" + String(name) + "'"); return ERR_PARSE_ERROR; } @@ -6351,7 +6389,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct //reset scope for next uniform if (tk.type == TK_OP_ASSIGN) { - Node *expr = _parse_and_reduce_expression(nullptr, Map()); + Node *expr = _parse_and_reduce_expression(nullptr, FunctionInfo()); if (!expr) { return ERR_PARSE_ERROR; } @@ -6476,7 +6514,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct return ERR_PARSE_ERROR; } - if (_find_identifier(nullptr, false, Map(), name)) { + if (_find_identifier(nullptr, false, FunctionInfo(), name)) { _set_error("Redefinition of '" + String(name) + "'"); return ERR_PARSE_ERROR; } @@ -6589,7 +6627,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct } else { _set_tkpos(pos2); - Node *n = _parse_and_reduce_expression(NULL, Map()); + Node *n = _parse_and_reduce_expression(NULL, FunctionInfo()); if (!n || n->type != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) { _set_error("Expected single integer constant > 0"); return ERR_PARSE_ERROR; @@ -6670,7 +6708,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct if (tk.type == TK_PARENTHESIS_OPEN || curly) { // initialization while (true) { - Node *n = _parse_and_reduce_expression(NULL, Map()); + Node *n = _parse_and_reduce_expression(NULL, FunctionInfo()); if (!n) { return ERR_PARSE_ERROR; } @@ -6725,7 +6763,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct constant.initializer = static_cast(expr); } else { //variable created with assignment! must parse an expression - Node *expr = _parse_and_reduce_expression(NULL, Map()); + Node *expr = _parse_and_reduce_expression(NULL, FunctionInfo()); if (!expr) return ERR_PARSE_ERROR; if (expr->type == Node::TYPE_OPERATOR && ((OperatorNode *)expr)->op == OP_CALL) { @@ -6762,7 +6800,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct } name = tk.text; - if (_find_identifier(nullptr, false, Map(), name)) { + if (_find_identifier(nullptr, false, FunctionInfo(), name)) { _set_error("Redefinition of '" + String(name) + "'"); return ERR_PARSE_ERROR; } @@ -6785,14 +6823,14 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct break; } - Map builtin_types; + FunctionInfo builtins; if (p_functions.has(name)) { - builtin_types = p_functions[name].built_ins; + builtins = p_functions[name]; } if (p_functions.has("global")) { // Adds global variables: 'TIME' for (Map::Element *E = p_functions["global"].built_ins.front(); E; E = E->next()) { - builtin_types.insert(E->key(), E->value()); + builtins.built_ins.insert(E->key(), E->value()); } } @@ -6915,7 +6953,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct pname = tk.text; ShaderLanguage::IdentifierType itype; - if (_find_identifier(func_node->body, false, builtin_types, pname, (ShaderLanguage::DataType *)nullptr, &itype)) { + if (_find_identifier(func_node->body, false, builtins, pname, (ShaderLanguage::DataType *)nullptr, &itype)) { if (itype != IDENTIFIER_FUNCTION) { _set_error("Redefinition of '" + String(pname) + "'"); return ERR_PARSE_ERROR; @@ -6977,7 +7015,7 @@ Error ShaderLanguage::_parse_shader(const Map &p_funct current_function = name; - Error err = _parse_block(func_node->body, builtin_types); + Error err = _parse_block(func_node->body, builtins); if (err) { return err; } diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h index faf06a9a856..0d044a21c72 100644 --- a/servers/rendering/shader_language.h +++ b/servers/rendering/shader_language.h @@ -730,8 +730,25 @@ public: constant(p_constant) {} }; + struct StageFunctionInfo { + struct Argument { + StringName name; + DataType type; + + Argument(const StringName &p_name = StringName(), DataType p_type = TYPE_VOID) { + name = p_name; + type = p_type; + } + }; + + Vector arguments; + DataType return_type = TYPE_VOID; + }; + struct FunctionInfo { Map built_ins; + Map stage_functions; + bool can_discard; }; static bool has_builtin(const Map &p_functions, const StringName &p_name); @@ -802,9 +819,9 @@ private: IDENTIFIER_CONSTANT, }; - bool _find_identifier(const BlockNode *p_block, bool p_allow_reassign, const Map &p_builtin_types, const StringName &p_identifier, DataType *r_data_type = nullptr, IdentifierType *r_type = nullptr, bool *r_is_const = nullptr, int *r_array_size = nullptr, StringName *r_struct_name = nullptr); + bool _find_identifier(const BlockNode *p_block, bool p_allow_reassign, const FunctionInfo &p_function_info, const StringName &p_identifier, DataType *r_data_type = nullptr, IdentifierType *r_type = nullptr, bool *r_is_const = nullptr, int *r_array_size = nullptr, StringName *r_struct_name = nullptr); bool _is_operator_assign(Operator p_op) const; - bool _validate_assign(Node *p_node, const Map &p_builtin_types, String *r_message = nullptr); + bool _validate_assign(Node *p_node, const FunctionInfo &p_function_info, String *r_message = nullptr); bool _validate_operator(OperatorNode *p_op, DataType *r_ret_type = nullptr); struct BuiltinFuncDef { @@ -837,16 +854,16 @@ private: Error _validate_datatype(DataType p_type); bool _compare_datatypes_in_nodes(Node *a, Node *b) const; - bool _validate_function_call(BlockNode *p_block, const Map &p_builtin_types, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str); - bool _parse_function_arguments(BlockNode *p_block, const Map &p_builtin_types, OperatorNode *p_func, int *r_complete_arg = nullptr); + bool _validate_function_call(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str); + bool _parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg = nullptr); bool _propagate_function_call_sampler_uniform_settings(StringName p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat); bool _propagate_function_call_sampler_builtin_reference(StringName p_name, int p_argument, const StringName &p_builtin); - Node *_parse_expression(BlockNode *p_block, const Map &p_builtin_types); + Node *_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info); ShaderLanguage::Node *_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node); - Node *_parse_and_reduce_expression(BlockNode *p_block, const Map &p_builtin_types); - Error _parse_block(BlockNode *p_block, const Map &p_builtin_types, bool p_just_one = false, bool p_can_break = false, bool p_can_continue = false); + Node *_parse_and_reduce_expression(BlockNode *p_block, const FunctionInfo &p_function_info); + Error _parse_block(BlockNode *p_block, const FunctionInfo &p_function_info, bool p_just_one = false, bool p_can_break = false, bool p_can_continue = false); String _get_shader_type_list(const Set &p_shader_types) const; String _get_qualifier_str(ArgumentQualifier p_qualifier) const; diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp index 9c4f44b9282..f3ef322ad78 100644 --- a/servers/rendering/shader_types.cpp +++ b/servers/rendering/shader_types.cpp @@ -283,8 +283,29 @@ ShaderTypes::ShaderTypes() { shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_INT); shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4); shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["FLAG_EMIT_POSITION"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["FLAG_EMIT_ROT_SCALE"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["FLAG_EMIT_VELOCITY"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["FLAG_EMIT_COLOR"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["FLAG_EMIT_CUSTOM"] = constt(ShaderLanguage::TYPE_UINT); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_POSITION"] = constt(ShaderLanguage::TYPE_BOOL); + shader_modes[RS::SHADER_PARTICLES].functions["compute"].built_ins["RESTART_ROT_SCALE"] = constt(ShaderLanguage::TYPE_BOOL); + 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"].can_discard = false; + { + ShaderLanguage::StageFunctionInfo emit_vertex_func; + emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("xform", ShaderLanguage::TYPE_MAT4)); + emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("velocity", ShaderLanguage::TYPE_VEC3)); + emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("color", ShaderLanguage::TYPE_VEC4)); + emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("custom", ShaderLanguage::TYPE_VEC4)); + emit_vertex_func.arguments.push_back(ShaderLanguage::StageFunctionInfo::Argument("flags", ShaderLanguage::TYPE_UINT)); + emit_vertex_func.return_type = ShaderLanguage::TYPE_BOOL; //whether it could emit + shader_modes[RS::SHADER_PARTICLES].functions["compute"].stage_functions["emit_particle"] = emit_vertex_func; + } + 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"); diff --git a/servers/rendering_server.h b/servers/rendering_server.h index 38b4dec658e..6f844c67d84 100644 --- a/servers/rendering_server.h +++ b/servers/rendering_server.h @@ -563,7 +563,7 @@ public: virtual RID particles_create() = 0; - virtual void particles_set_emitting(RID p_particles, bool p_emitting) = 0; + virtual void particles_set_emitting(RID p_particles, bool p_enable) = 0; virtual bool particles_get_emitting(RID p_particles) = 0; virtual void particles_set_amount(RID p_particles, int p_amount) = 0; virtual void particles_set_lifetime(RID p_particles, float p_lifetime) = 0; @@ -581,6 +581,18 @@ public: virtual void particles_request_process(RID p_particles) = 0; virtual void particles_restart(RID p_particles) = 0; + virtual void particles_set_subemitter(RID p_particles, RID p_subemitter_particles) = 0; + + enum ParticlesEmitFlags { + PARTICLES_EMIT_FLAG_POSITION = 1, + PARTICLES_EMIT_FLAG_ROTATION_SCALE = 2, + PARTICLES_EMIT_FLAG_VELOCITY = 4, + PARTICLES_EMIT_FLAG_COLOR = 8, + PARTICLES_EMIT_FLAG_CUSTOM = 16 + }; + + 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; + enum ParticlesDrawOrder { PARTICLES_DRAW_ORDER_INDEX, PARTICLES_DRAW_ORDER_LIFETIME,