diff options
Diffstat (limited to 'scene/resources/visual_shader_particle_nodes.cpp')
| -rw-r--r-- | scene/resources/visual_shader_particle_nodes.cpp | 280 |
1 files changed, 279 insertions, 1 deletions
diff --git a/scene/resources/visual_shader_particle_nodes.cpp b/scene/resources/visual_shader_particle_nodes.cpp index ada91cec1e..7dd4eed15b 100644 --- a/scene/resources/visual_shader_particle_nodes.cpp +++ b/scene/resources/visual_shader_particle_nodes.cpp @@ -30,6 +30,8 @@ #include "visual_shader_particle_nodes.h" +#include "core/core_string_names.h" + // VisualShaderNodeParticleEmitter int VisualShaderNodeParticleEmitter::get_output_port_count() const { @@ -255,6 +257,283 @@ VisualShaderNodeParticleRingEmitter::VisualShaderNodeParticleRingEmitter() { set_input_port_default_value(2, 0.0); } +// VisualShaderNodeParticleMeshEmitter + +String VisualShaderNodeParticleMeshEmitter::get_caption() const { + return "MeshEmitter"; +} + +int VisualShaderNodeParticleMeshEmitter::get_output_port_count() const { + return 2; +} + +VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter::get_output_port_type(int p_port) const { + switch (p_port) { + case 0: + return PORT_TYPE_VECTOR; // position + case 1: + return PORT_TYPE_VECTOR; // normal + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleMeshEmitter::get_output_port_name(int p_port) const { + switch (p_port) { + case 0: + return "position"; + case 1: + return "normal"; + } + return String(); +} + +int VisualShaderNodeParticleMeshEmitter::get_input_port_count() const { + return 0; +} + +VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter::get_input_port_type(int p_port) const { + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleMeshEmitter::get_input_port_name(int p_port) const { + return String(); +} + +String VisualShaderNodeParticleMeshEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const { + String code; + + if (mesh.is_valid()) { + code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_vx") + ";\n"; + code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_nm") + ";\n"; + } + + return code; +} + +String VisualShaderNodeParticleMeshEmitter::generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview) const { + String code; + + code += " __scalar_ibuff = int(__rand_from_seed(__seed) * 65535.0) % " + itos(position_texture->get_width()) + ";\n"; + + if (position_texture->get_width() == 0) { + code += " " + p_output_vars[0] + " = vec3(0.0);\n"; + } else { + if (mode_2d) { + code += " " + p_output_vars[0] + " = vec3("; + code += "texelFetch("; + code += make_unique_id(p_type, p_id, "mesh_vx") + ", "; + code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n"; + } else { + code += " " + p_output_vars[0] + " = texelFetch("; + code += make_unique_id(p_type, p_id, "mesh_vx") + ", "; + code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n"; + } + } + + if (normal_texture->get_width() == 0) { + code += " " + p_output_vars[1] + " = vec3(0.0);\n"; + } else { + if (mode_2d) { + code += " " + p_output_vars[1] + " = vec3("; + code += "texelFetch("; + code += make_unique_id(p_type, p_id, "mesh_nm") + ", "; + code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n"; + } else { + code += " " + p_output_vars[1] + " = texelFetch("; + code += make_unique_id(p_type, p_id, "mesh_nm") + ", "; + code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n"; + } + } + + return code; +} + +Vector<VisualShader::DefaultTextureParam> VisualShaderNodeParticleMeshEmitter::get_default_texture_parameters(VisualShader::Type p_type, int p_id) const { + VisualShader::DefaultTextureParam dtp_vx; + dtp_vx.name = make_unique_id(p_type, p_id, "mesh_vx"); + dtp_vx.params.push_back(position_texture); + + VisualShader::DefaultTextureParam dtp_nm; + dtp_nm.name = make_unique_id(p_type, p_id, "mesh_nm"); + dtp_nm.params.push_back(normal_texture); + + Vector<VisualShader::DefaultTextureParam> ret; + ret.push_back(dtp_vx); + ret.push_back(dtp_nm); + return ret; +} + +void VisualShaderNodeParticleMeshEmitter::update_texture() { + if (!mesh.is_valid()) { + return; + } + + Vector<Vector3> vertices; + Vector<Vector3> normals; + + if (use_all_surfaces) { + for (int i = 0; i < max_surface_index; i++) { + Array vertex_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_VERTEX]; + for (int j = 0; j < vertex_array.size(); j++) { + vertices.push_back((Vector3)vertex_array[j]); + } + + Array normal_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_NORMAL]; + for (int j = 0; j < vertex_array.size(); j++) { + normals.push_back((Vector3)vertex_array[j]); + } + } + } else { + Array vertex_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_VERTEX]; + for (int i = 0; i < vertex_array.size(); i++) { + vertices.push_back((Vector3)vertex_array[i]); + } + + Array normal_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_NORMAL]; + for (int i = 0; i < normal_array.size(); i++) { + normals.push_back((Vector3)normal_array[i]); + } + } + + // vertices + { + Ref<Image> image; + image.instantiate(); + image->create(vertices.size(), 1, false, Image::Format::FORMAT_RGBF); + + for (int i = 0; i < vertices.size(); i++) { + Vector3 v = vertices[i]; + image->set_pixel(i, 0, Color(v.x, v.y, v.z)); + } + if (position_texture->get_width() != vertices.size()) { + position_texture->create_from_image(image); + } else { + position_texture->update(image); + } + } + + // normals + { + Ref<Image> image; + image.instantiate(); + image->create(normals.size(), 1, false, Image::Format::FORMAT_RGBF); + + for (int i = 0; i < normals.size(); i++) { + Vector3 v = normals[i]; + image->set_pixel(i, 0, Color(v.x, v.y, v.z)); + } + if (normal_texture->get_width() != normals.size()) { + normal_texture->create_from_image(image); + } else { + normal_texture->update(image); + } + } +} + +void VisualShaderNodeParticleMeshEmitter::set_mesh(Ref<Mesh> p_mesh) { + if (mesh == p_mesh) { + return; + } + + if (p_mesh.is_valid()) { + max_surface_index = p_mesh->get_surface_count(); + } else { + max_surface_index = 0; + } + + if (mesh.is_valid()) { + Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture); + + if (mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) { + mesh->disconnect(CoreStringNames::get_singleton()->changed, callable); + } + } + + mesh = p_mesh; + + if (mesh.is_valid()) { + Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture); + + if (!mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) { + mesh->connect(CoreStringNames::get_singleton()->changed, callable); + } + } + + emit_changed(); +} + +Ref<Mesh> VisualShaderNodeParticleMeshEmitter::get_mesh() const { + return mesh; +} + +void VisualShaderNodeParticleMeshEmitter::set_use_all_surfaces(bool p_enabled) { + if (use_all_surfaces == p_enabled) { + return; + } + use_all_surfaces = p_enabled; + emit_changed(); +} + +bool VisualShaderNodeParticleMeshEmitter::is_use_all_surfaces() const { + return use_all_surfaces; +} + +void VisualShaderNodeParticleMeshEmitter::set_surface_index(int p_surface_index) { + if (p_surface_index == surface_index || p_surface_index < 0 || p_surface_index >= max_surface_index) { + return; + } + surface_index = p_surface_index; + emit_changed(); +} + +int VisualShaderNodeParticleMeshEmitter::get_surface_index() const { + return surface_index; +} + +Vector<StringName> VisualShaderNodeParticleMeshEmitter::get_editable_properties() const { + Vector<StringName> props = VisualShaderNodeParticleEmitter::get_editable_properties(); + + props.push_back("mesh"); + props.push_back("use_all_surfaces"); + if (!use_all_surfaces) { + props.push_back("surface_index"); + } + + return props; +} + +Map<StringName, String> VisualShaderNodeParticleMeshEmitter::get_editable_properties_names() const { + Map<StringName, String> names = VisualShaderNodeParticleEmitter::get_editable_properties_names(); + + names.insert("mesh", TTR("Mesh")); + names.insert("use_all_surfaces", TTR("Use All Surfaces")); + if (!use_all_surfaces) { + names.insert("surface_index", TTR("Surface Index")); + } + + return names; +} + +void VisualShaderNodeParticleMeshEmitter::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_mesh", "mesh"), &VisualShaderNodeParticleMeshEmitter::set_mesh); + ClassDB::bind_method(D_METHOD("get_mesh"), &VisualShaderNodeParticleMeshEmitter::get_mesh); + ClassDB::bind_method(D_METHOD("set_use_all_surfaces", "enabled"), &VisualShaderNodeParticleMeshEmitter::set_use_all_surfaces); + ClassDB::bind_method(D_METHOD("is_use_all_surfaces"), &VisualShaderNodeParticleMeshEmitter::is_use_all_surfaces); + ClassDB::bind_method(D_METHOD("set_surface_index", "surface_index"), &VisualShaderNodeParticleMeshEmitter::set_surface_index); + ClassDB::bind_method(D_METHOD("get_surface_index"), &VisualShaderNodeParticleMeshEmitter::get_surface_index); + + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh"), "set_mesh", "get_mesh"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_all_surfaces"), "set_use_all_surfaces", "is_use_all_surfaces"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "surface_index"), "set_surface_index", "get_surface_index"); +} + +VisualShaderNodeParticleMeshEmitter::VisualShaderNodeParticleMeshEmitter() { + connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture)); + + position_texture.instantiate(); + normal_texture.instantiate(); +} + // VisualShaderNodeParticleMultiplyByAxisAngle void VisualShaderNodeParticleMultiplyByAxisAngle::_bind_methods() { @@ -334,7 +613,6 @@ bool VisualShaderNodeParticleMultiplyByAxisAngle::is_degrees_mode() const { Vector<StringName> VisualShaderNodeParticleMultiplyByAxisAngle::get_editable_properties() const { Vector<StringName> props; props.push_back("degrees_mode"); - props.push_back("axis_amount"); return props; } |