From f632e36ae5fbc8499eb0bdac753bfd864759cbbb Mon Sep 17 00:00:00 2001 From: Yuri Roubinsky Date: Tue, 15 Sep 2020 10:57:40 +0300 Subject: Continuation of work on visual particles system --- scene/resources/visual_shader.cpp | 334 +++++-- scene/resources/visual_shader.h | 6 +- scene/resources/visual_shader_nodes.cpp | 2 +- scene/resources/visual_shader_particle_nodes.cpp | 1025 ++++++++++++++++++++++ scene/resources/visual_shader_particle_nodes.h | 285 ++++++ 5 files changed, 1566 insertions(+), 86 deletions(-) create mode 100644 scene/resources/visual_shader_particle_nodes.cpp create mode 100644 scene/resources/visual_shader_particle_nodes.h (limited to 'scene/resources') diff --git a/scene/resources/visual_shader.cpp b/scene/resources/visual_shader.cpp index fd0b568f71..5759948fe6 100644 --- a/scene/resources/visual_shader.cpp +++ b/scene/resources/visual_shader.cpp @@ -33,6 +33,7 @@ #include "core/templates/vmap.h" #include "servers/rendering/shader_types.h" #include "visual_shader_nodes.h" +#include "visual_shader_particle_nodes.h" #include "visual_shader_sdf_nodes.h" bool VisualShaderNode::is_simple_decl() const { @@ -1079,9 +1080,11 @@ static const char *type_string[VisualShader::TYPE_MAX] = { "vertex", "fragment", "light", - "emit", + "start", "process", - "end", + "collide", + "start_custom", + "process_custom", "sky", }; @@ -1357,7 +1360,8 @@ Error VisualShader::_write_node(Type type, StringBuilder &global_code, StringBui return OK; } - code += "// " + vsnode->get_caption() + ":" + itos(node) + "\n"; + String node_name = "// " + vsnode->get_caption() + ":" + itos(node) + "\n"; + String node_code; Vector input_vars; input_vars.resize(vsnode->get_input_port_count()); @@ -1428,19 +1432,19 @@ Error VisualShader::_write_node(Type type, StringBuilder &global_code, StringBui if (defval.get_type() == Variant::FLOAT) { float val = defval; inputs[i] = "n_in" + itos(node) + "p" + itos(i); - code += "\tfloat " + inputs[i] + " = " + vformat("%.5f", val) + ";\n"; + node_code += "\tfloat " + inputs[i] + " = " + vformat("%.5f", val) + ";\n"; } else if (defval.get_type() == Variant::INT) { int val = defval; inputs[i] = "n_in" + itos(node) + "p" + itos(i); - code += "\tint " + inputs[i] + " = " + itos(val) + ";\n"; + node_code += "\tint " + inputs[i] + " = " + itos(val) + ";\n"; } else if (defval.get_type() == Variant::BOOL) { bool val = defval; inputs[i] = "n_in" + itos(node) + "p" + itos(i); - code += "\tbool " + inputs[i] + " = " + (val ? "true" : "false") + ";\n"; + node_code += "\tbool " + inputs[i] + " = " + (val ? "true" : "false") + ";\n"; } else if (defval.get_type() == Variant::VECTOR3) { Vector3 val = defval; inputs[i] = "n_in" + itos(node) + "p" + itos(i); - code += "\tvec3 " + inputs[i] + " = " + vformat("vec3(%.5f, %.5f, %.5f);\n", val.x, val.y, val.z); + node_code += "\tvec3 " + inputs[i] + " = " + vformat("vec3(%.5f, %.5f, %.5f);\n", val.x, val.y, val.z); } else if (defval.get_type() == Variant::TRANSFORM3D) { Transform3D val = defval; val.basis.transpose(); @@ -1455,7 +1459,7 @@ Error VisualShader::_write_node(Type type, StringBuilder &global_code, StringBui values.push_back(val.origin.y); values.push_back(val.origin.z); bool err = false; - code += "\tmat4 " + inputs[i] + " = " + String("mat4(vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 1.0));\n").sprintf(values, &err); + node_code += "\tmat4 " + inputs[i] + " = " + String("mat4(vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 0.0), vec4(%.5f, %.5f, %.5f, 1.0));\n").sprintf(values, &err); } else { //will go empty, node is expected to know what it is doing at this point and handle it } @@ -1543,7 +1547,12 @@ Error VisualShader::_write_node(Type type, StringBuilder &global_code, StringBui } } - code += vsnode->generate_code(get_mode(), type, node, inputs, outputs, for_preview); + node_code += vsnode->generate_code(get_mode(), type, node, inputs, outputs, for_preview); + if (node_code != String()) { + code += node_name; + code += node_code; + code += "\n"; + } for (int i = 0; i < output_count; i++) { bool new_line_inserted = false; @@ -1593,7 +1602,7 @@ Error VisualShader::_write_node(Type type, StringBuilder &global_code, StringBui bool VisualShader::has_func_name(RenderingServer::ShaderMode p_mode, const String &p_func_name) const { if (!ShaderTypes::get_singleton()->get_functions(p_mode).has(p_func_name)) { if (p_mode == RenderingServer::ShaderMode::SHADER_PARTICLES) { - if (p_func_name == "emit" || p_func_name == "process" || p_func_name == "end") { + if (p_func_name == "start_custom" || p_func_name == "process_custom" || p_func_name == "collide") { return true; } } @@ -1674,11 +1683,12 @@ void VisualShader::_update_shader() const { global_code += "render_mode " + render_mode + ";\n\n"; } - static const char *func_name[TYPE_MAX] = { "vertex", "fragment", "light", "emit", "process", "end", "sky" }; + static const char *func_name[TYPE_MAX] = { "vertex", "fragment", "light", "start", "process", "collide", "start_custom", "process_custom", "sky" }; String global_expressions; Set used_uniform_names; List uniforms; + Map> emitters; for (int i = 0, index = 0; i < TYPE_MAX; i++) { if (!has_func_name(RenderingServer::ShaderMode(shader_mode), func_name[i])) { @@ -1703,6 +1713,19 @@ void VisualShader::_update_shader() const { if (uniform.is_valid()) { uniforms.push_back(uniform.ptr()); } + Ref emit_particle = Object::cast_to(E->get().node.ptr()); + if (emit_particle.is_valid()) { + if (!emitters.has(i)) { + emitters.insert(i, List()); + } + + for (Map::Element *M = graph[i].nodes.front(); M; M = M->next()) { + if (M->get().node == emit_particle.ptr()) { + emitters[i].push_back(M->key()); + break; + } + } + } } } @@ -1751,6 +1774,13 @@ void VisualShader::_update_shader() const { Error err = _write_node(Type(i), global_code, global_code_per_node, global_code_per_func, func_code, default_tex_params, input_connections, output_connections, NODE_ID_OUTPUT, processed, false, classes); ERR_FAIL_COND(err != OK); + if (emitters.has(i)) { + for (List::Element *E = emitters[i].front(); E; E = E->next()) { + err = _write_node(Type(i), global_code, global_code_per_node, global_code_per_func, func_code, default_tex_params, input_connections, output_connections, E->get(), processed, false, classes); + ERR_FAIL_COND(err != OK); + } + } + if (shader_mode == Shader::MODE_PARTICLES) { code_map.insert(i, func_code); } else { @@ -1759,19 +1789,130 @@ void VisualShader::_update_shader() const { } } + String global_compute_code; + if (shader_mode == Shader::MODE_PARTICLES) { - code += "\nvoid compute() {\n"; - code += "\tif (RESTART) {\n"; - code += code_map[TYPE_EMIT]; - code += "\t} else {\n"; - code += code_map[TYPE_PROCESS]; + bool has_start = !code_map[TYPE_START].is_empty(); + bool has_start_custom = !code_map[TYPE_START_CUSTOM].is_empty(); + bool has_process = !code_map[TYPE_PROCESS].is_empty(); + bool has_process_custom = !code_map[TYPE_PROCESS_CUSTOM].is_empty(); + bool has_collide = !code_map[TYPE_COLLIDE].is_empty(); + + code += "void start() {\n"; + if (has_start || has_start_custom) { + code += "\tuint __seed = __hash(NUMBER + uint(1) + RANDOM_SEED);\n"; + code += "\tvec3 __diff = TRANSFORM[3].xyz - EMISSION_TRANSFORM[3].xyz;\n"; + code += "\tfloat __radians;\n"; + code += "\tvec3 __vec3_buff1;\n"; + code += "\tvec3 __vec3_buff2;\n"; + code += "\tfloat __scalar_buff1;\n"; + code += "\tfloat __scalar_buff2;\n"; + code += "\tvec3 __ndiff = normalize(__diff);\n\n"; + } + if (has_start) { + code += "\t{\n"; + code += code_map[TYPE_START].replace("\n\t", "\n\t\t"); + code += "\t}\n"; + if (has_start_custom) { + code += "\t\n"; + } + } + if (has_start_custom) { + code += "\t{\n"; + code += code_map[TYPE_START_CUSTOM].replace("\n\t", "\n\t\t"); + code += "\t}\n"; + } + code += "}\n\n"; + code += "void process() {\n"; + if (has_process || has_process_custom || has_collide) { + code += "\tuint __seed = __hash(NUMBER + uint(1) + RANDOM_SEED);\n"; + code += "\tvec3 __vec3_buff1;\n"; + code += "\tvec3 __diff = TRANSFORM[3].xyz - EMISSION_TRANSFORM[3].xyz;\n"; + code += "\tvec3 __ndiff = normalize(__diff);\n\n"; + } + code += "\t{\n"; + String tab = "\t"; + if (has_collide) { + code += "\t\tif (COLLIDED) {\n\n"; + code += code_map[TYPE_COLLIDE].replace("\n\t", "\n\t\t\t"); + if (has_process) { + code += "\t\t} else {\n\n"; + tab += "\t"; + } + } + if (has_process) { + code += code_map[TYPE_PROCESS].replace("\n\t", "\n\t" + tab); + } + if (has_collide) { + code += "\t\t}\n"; + } code += "\t}\n"; - code += "}\n"; + + if (has_process_custom) { + code += "\t{\n\n"; + code += code_map[TYPE_PROCESS_CUSTOM].replace("\n\t", "\n\t\t"); + code += "\t}\n"; + } + + code += "}\n\n"; + + global_compute_code += "float __rand_from_seed(inout uint seed) {\n"; + global_compute_code += "\tint k;\n"; + global_compute_code += "\tint s = int(seed);\n"; + global_compute_code += "\tif (s == 0)\n"; + global_compute_code += "\ts = 305420679;\n"; + global_compute_code += "\tk = s / 127773;\n"; + global_compute_code += "\ts = 16807 * (s - k * 127773) - 2836 * k;\n"; + global_compute_code += "\tif (s < 0)\n"; + global_compute_code += "\t\ts += 2147483647;\n"; + global_compute_code += "\tseed = uint(s);\n"; + global_compute_code += "\treturn float(seed % uint(65536)) / 65535.0;\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "float __rand_from_seed_m1_p1(inout uint seed) {\n"; + global_compute_code += "\treturn __rand_from_seed(seed) * 2.0 - 1.0;\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "float __randf_range(inout uint seed, float from, float to) {\n"; + global_compute_code += "\treturn __rand_from_seed(seed) * (to - from) + from;\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "vec3 __randv_range(inout uint seed, vec3 from, vec3 to) {\n"; + global_compute_code += "\treturn vec3(__randf_range(seed, from.x, to.x), __randf_range(seed, from.y, to.y), __randf_range(seed, from.z, to.z));\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "uint __hash(uint x) {\n"; + global_compute_code += "\tx = ((x >> uint(16)) ^ x) * uint(73244475);\n"; + global_compute_code += "\tx = ((x >> uint(16)) ^ x) * uint(73244475);\n"; + global_compute_code += "\tx = (x >> uint(16)) ^ x;\n"; + global_compute_code += "\treturn x;\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "mat3 __build_rotation_mat3(vec3 axis, float angle) {\n"; + global_compute_code += "\taxis = normalize(axis);\n"; + global_compute_code += "\tfloat s = sin(angle);\n"; + global_compute_code += "\tfloat c = cos(angle);\n"; + global_compute_code += "\tfloat oc = 1.0 - c;\n"; + global_compute_code += "\treturn mat3(vec3(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s, oc * axis.z * axis.x + axis.y * s), vec3(oc * axis.x * axis.y + axis.z * s, oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s), vec3(oc * axis.z * axis.x - axis.y * s, oc * axis.y * axis.z + axis.x * s, oc * axis.z * axis.z + c));\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "mat4 __build_rotation_mat4(vec3 axis, float angle) {\n"; + global_compute_code += "\taxis = normalize(axis);\n"; + global_compute_code += "\tfloat s = sin(angle);\n"; + global_compute_code += "\tfloat c = cos(angle);\n"; + global_compute_code += "\tfloat oc = 1.0 - c;\n"; + global_compute_code += "\treturn mat4(vec4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s, oc * axis.z * axis.x + axis.y * s, 0), vec4(oc * axis.x * axis.y + axis.z * s, oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s, 0), vec4(oc * axis.z * axis.x - axis.y * s, oc * axis.y * axis.z + axis.x * s, oc * axis.z * axis.z + c, 0), vec4(0, 0, 0, 1));\n"; + global_compute_code += "}\n\n"; + + global_compute_code += "vec3 __get_random_unit_vec3(inout uint seed) {\n"; + global_compute_code += "\treturn normalize(vec3(__rand_from_seed_m1_p1(seed), __rand_from_seed_m1_p1(seed), __rand_from_seed_m1_p1(seed)));\n"; + global_compute_code += "}\n\n"; } //set code secretly global_code += "\n\n"; String final_code = global_code; + final_code += global_compute_code; final_code += global_code_per_node; final_code += global_expressions; String tcode = code; @@ -1862,9 +2003,11 @@ void VisualShader::_bind_methods() { BIND_ENUM_CONSTANT(TYPE_VERTEX); BIND_ENUM_CONSTANT(TYPE_FRAGMENT); BIND_ENUM_CONSTANT(TYPE_LIGHT); - BIND_ENUM_CONSTANT(TYPE_EMIT); + BIND_ENUM_CONSTANT(TYPE_START); BIND_ENUM_CONSTANT(TYPE_PROCESS); - BIND_ENUM_CONSTANT(TYPE_END); + BIND_ENUM_CONSTANT(TYPE_COLLIDE); + BIND_ENUM_CONSTANT(TYPE_START_CUSTOM); + BIND_ENUM_CONSTANT(TYPE_PROCESS_CUSTOM); BIND_ENUM_CONSTANT(TYPE_SKY); BIND_ENUM_CONSTANT(TYPE_MAX); @@ -1875,11 +2018,20 @@ void VisualShader::_bind_methods() { VisualShader::VisualShader() { dirty.set(); for (int i = 0; i < TYPE_MAX; i++) { - Ref output; - output.instance(); - output->shader_type = Type(i); - output->shader_mode = shader_mode; - graph[i].nodes[NODE_ID_OUTPUT].node = output; + if (i > (int)TYPE_LIGHT && i < (int)TYPE_SKY) { + Ref output; + output.instance(); + output->shader_type = Type(i); + output->shader_mode = shader_mode; + graph[i].nodes[NODE_ID_OUTPUT].node = output; + } else { + Ref output; + output.instance(); + output->shader_type = Type(i); + output->shader_mode = shader_mode; + graph[i].nodes[NODE_ID_OUTPUT].node = output; + } + graph[i].nodes[NODE_ID_OUTPUT].position = Vector2(400, 150); } } @@ -2008,27 +2160,45 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = { { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR, "specular_shininess", "SPECULAR_SHININESS.rgb" }, { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "specular_shininess_alpha", "SPECULAR_SHININESS.a" }, - // Particles, Emit - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "restart", "float(RESTART ? 1.0 : 0.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "active", "float(ACTIVE ? 1.0 : 0.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + // Particles, Start + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR, "attractor_force", "ATTRACTOR_FORCE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + + // Particles, Start (Custom) + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "attractor_force", "ATTRACTOR_FORCE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, // Particles, Process + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "attractor_force", "ATTRACTOR_FORCE" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "restart", "float(RESTART ? 1.0 : 0.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "active", "float(ACTIVE ? 1.0 : 0.0)" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, @@ -2038,20 +2208,39 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::ports[] = { { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, - // Particles, End - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "restart", "float(RESTART ? 1.0 : 0.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "active", "float(ACTIVE ? 1.0 : 0.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + // Particles, Process (Custom) + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "attractor_force", "ATTRACTOR_FORCE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + + // Particles, Collide + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR, "attractor_force", "ATTRACTOR_FORCE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "collision_depth", "COLLISION_DEPTH" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR, "collision_normal", "COLLISION_NORMAL" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_BOOLEAN, "restart", "RESTART" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "delta", "DELTA" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "lifetime", "LIFETIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR_INT, "index", "INDEX" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_TRANSFORM, "emission_transform", "EMISSION_TRANSFORM" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, // Sky, Sky { Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_BOOLEAN, "at_cubemap_pass", "AT_CUBEMAP_PASS" }, @@ -2127,11 +2316,13 @@ const VisualShaderNodeInput::Port VisualShaderNodeInput::preview_ports[] = { { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR, "screen_uv", "vec3(SCREEN_UV, 0.0)" }, { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, - // Particles, Vertex - { Shader::MODE_PARTICLES, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR, "color", "vec3(1.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "1.0" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "vec3(0.0, 0.0, 1.0)" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_VERTEX, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + + // Particles + { Shader::MODE_PARTICLES, VisualShader::TYPE_START, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_COLLIDE, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_START_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, + { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS_CUSTOM, VisualShaderNode::PORT_TYPE_SCALAR, "time", "TIME" }, { Shader::MODE_MAX, VisualShader::TYPE_MAX, VisualShaderNode::PORT_TYPE_TRANSFORM, nullptr, nullptr }, }; @@ -2624,30 +2815,7 @@ const VisualShaderNodeOutput::Port VisualShaderNodeOutput::ports[] = { // Canvas Item, Light { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_VECTOR, "light", "LIGHT.rgb" }, { Shader::MODE_CANVAS_ITEM, VisualShader::TYPE_LIGHT, VisualShaderNode::PORT_TYPE_SCALAR, "light_alpha", "LIGHT.a" }, - // Particles, Emit - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_EMIT, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, - // Particles, Process - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_PROCESS, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, - // Particles, End - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "COLOR.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "velocity", "VELOCITY" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_VECTOR, "custom", "CUSTOM.rgb" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_SCALAR, "custom_alpha", "CUSTOM.a" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_TRANSFORM, "transform", "TRANSFORM" }, - { Shader::MODE_PARTICLES, VisualShader::TYPE_END, VisualShaderNode::PORT_TYPE_BOOLEAN, "active", "ACTIVE" }, + // Sky, Sky { Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_VECTOR, "color", "COLOR" }, { Shader::MODE_SKY, VisualShader::TYPE_SKY, VisualShaderNode::PORT_TYPE_SCALAR, "alpha", "ALPHA" }, diff --git a/scene/resources/visual_shader.h b/scene/resources/visual_shader.h index 21c4d23819..53b165fe0f 100644 --- a/scene/resources/visual_shader.h +++ b/scene/resources/visual_shader.h @@ -51,9 +51,11 @@ public: TYPE_VERTEX, TYPE_FRAGMENT, TYPE_LIGHT, - TYPE_EMIT, + TYPE_START, TYPE_PROCESS, - TYPE_END, + TYPE_COLLIDE, + TYPE_START_CUSTOM, + TYPE_PROCESS_CUSTOM, TYPE_SKY, TYPE_MAX }; diff --git a/scene/resources/visual_shader_nodes.cpp b/scene/resources/visual_shader_nodes.cpp index 5bcc6dda97..d3b094de31 100644 --- a/scene/resources/visual_shader_nodes.cpp +++ b/scene/resources/visual_shader_nodes.cpp @@ -860,7 +860,7 @@ String VisualShaderNodeCurveTexture::generate_code(Shader::Mode p_mode, VisualSh } String id = make_unique_id(p_type, p_id, "curve"); String code; - code += "\t" + p_output_vars[0] + " = texture(" + id + ", vec2(" + p_input_vars[0] + ", 0.0)).r;\n"; + code += "\t" + p_output_vars[0] + " = texture(" + id + ", vec2(" + p_input_vars[0] + ")).r;\n"; return code; } diff --git a/scene/resources/visual_shader_particle_nodes.cpp b/scene/resources/visual_shader_particle_nodes.cpp new file mode 100644 index 0000000000..29d583a82a --- /dev/null +++ b/scene/resources/visual_shader_particle_nodes.cpp @@ -0,0 +1,1025 @@ +/*************************************************************************/ +/* visual_shader_particle_nodes.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "visual_shader_particle_nodes.h" + +// VisualShaderNodeParticleEmitter + +int VisualShaderNodeParticleEmitter::get_output_port_count() const { + return 1; +} + +VisualShaderNodeParticleEmitter::PortType VisualShaderNodeParticleEmitter::get_output_port_type(int p_port) const { + return PORT_TYPE_VECTOR; +} + +String VisualShaderNodeParticleEmitter::get_output_port_name(int p_port) const { + if (p_port == 0) { + return "position"; + } + return String(); +} + +VisualShaderNodeParticleEmitter::VisualShaderNodeParticleEmitter() { +} + +// VisualShaderNodeParticleSphereEmitter + +String VisualShaderNodeParticleSphereEmitter::get_caption() const { + return "SphereEmitter"; +} + +int VisualShaderNodeParticleSphereEmitter::get_input_port_count() const { + return 2; +} + +VisualShaderNodeParticleSphereEmitter::PortType VisualShaderNodeParticleSphereEmitter::get_input_port_type(int p_port) const { + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleSphereEmitter::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "radius"; + } else if (p_port == 1) { + return "inner_radius"; + } + return String(); +} + +String VisualShaderNodeParticleSphereEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const { + String code; + code += "vec3 __get_random_point_in_sphere(inout uint seed, float radius, float inner_radius) {\n"; + code += "\treturn __get_random_unit_vec3(seed) * __randf_range(seed, inner_radius, radius);\n"; + code += "}\n\n"; + return code; +} + +String VisualShaderNodeParticleSphereEmitter::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 += "\t" + p_output_vars[0] + " = __get_random_point_in_sphere(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ");\n"; + return code; +} + +VisualShaderNodeParticleSphereEmitter::VisualShaderNodeParticleSphereEmitter() { + set_input_port_default_value(0, 10.0); + set_input_port_default_value(1, 0.0); +} + +// VisualShaderNodeParticleBoxEmitter + +String VisualShaderNodeParticleBoxEmitter::get_caption() const { + return "BoxEmitter"; +} + +int VisualShaderNodeParticleBoxEmitter::get_input_port_count() const { + return 1; +} + +VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleBoxEmitter::get_input_port_type(int p_port) const { + if (p_port == 0) { + return PORT_TYPE_VECTOR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleBoxEmitter::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "extents"; + } + return String(); +} + +String VisualShaderNodeParticleBoxEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const { + String code; + code += "vec3 __get_random_point_in_box(inout uint seed, vec3 extents) {\n"; + code += "\tvec3 half_extents = extents / 2.0;\n"; + code += "\treturn vec3(__randf_range(seed, -half_extents.x, half_extents.x), __randf_range(seed, -half_extents.y, half_extents.y), __randf_range(seed, -half_extents.z, half_extents.z));\n"; + code += "}\n\n"; + return code; +} + +String VisualShaderNodeParticleBoxEmitter::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 += "\t" + p_output_vars[0] + " = __get_random_point_in_box(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ");\n"; + return code; +} + +VisualShaderNodeParticleBoxEmitter::VisualShaderNodeParticleBoxEmitter() { + set_input_port_default_value(0, Vector3(1.0, 1.0, 1.0)); +} + +// VisualShaderNodeParticleRingEmitter + +String VisualShaderNodeParticleRingEmitter::get_caption() const { + return "RingEmitter"; +} + +int VisualShaderNodeParticleRingEmitter::get_input_port_count() const { + return 3; +} + +VisualShaderNodeParticleRingEmitter::PortType VisualShaderNodeParticleRingEmitter::get_input_port_type(int p_port) const { + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleRingEmitter::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "radius"; + } else if (p_port == 1) { + return "inner_radius"; + } else if (p_port == 2) { + return "height"; + } + return String(); +} + +String VisualShaderNodeParticleRingEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const { + String code; + code += "vec3 __get_random_point_on_ring(inout uint seed, float radius, float inner_radius, float height) {\n"; + code += "\tfloat angle = __rand_from_seed(seed) * PI * 2.0;\n"; + code += "\tvec2 ring = vec2(sin(angle), cos(angle)) * __randf_range(seed, inner_radius, radius);\n"; + code += "\treturn vec3(ring.x, __randf_range(seed, min(0.0, height), max(0.0, height)), ring.y);\n"; + code += "}\n\n"; + return code; +} + +String VisualShaderNodeParticleRingEmitter::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 = "\t" + p_output_vars[0] + " = __get_random_point_on_ring(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ", " + (p_input_vars[2].is_empty() ? (String)get_input_port_default_value(2) : p_input_vars[2]) + ");\n"; + return code; +} + +VisualShaderNodeParticleRingEmitter::VisualShaderNodeParticleRingEmitter() { + set_input_port_default_value(0, 10.0); + set_input_port_default_value(1, 0.0); + set_input_port_default_value(2, 0.0); +} + +// VisualShaderNodeParticleMultiplyByAxisAngle + +void VisualShaderNodeParticleMultiplyByAxisAngle::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_degrees_mode", "enabled"), &VisualShaderNodeParticleMultiplyByAxisAngle::set_degrees_mode); + ClassDB::bind_method(D_METHOD("is_degrees_mode"), &VisualShaderNodeParticleMultiplyByAxisAngle::is_degrees_mode); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "degrees_mode"), "set_degrees_mode", "is_degrees_mode"); +} + +String VisualShaderNodeParticleMultiplyByAxisAngle::get_caption() const { + return "MultiplyByAxisAngle"; +} + +int VisualShaderNodeParticleMultiplyByAxisAngle::get_input_port_count() const { + return 3; +} + +VisualShaderNodeParticleMultiplyByAxisAngle::PortType VisualShaderNodeParticleMultiplyByAxisAngle::get_input_port_type(int p_port) const { + if (p_port == 0 || p_port == 1) { // position, rotation_axis + return PORT_TYPE_VECTOR; + } + return PORT_TYPE_SCALAR; // angle (degrees/radians) +} + +String VisualShaderNodeParticleMultiplyByAxisAngle::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "position"; + } + if (p_port == 1) { + return "axis"; + } + if (p_port == 2) { + if (degrees_mode) { + return "angle (degrees)"; + } else { + return "angle (radians)"; + } + } + return String(); +} + +bool VisualShaderNodeParticleMultiplyByAxisAngle::is_show_prop_names() const { + return true; +} + +int VisualShaderNodeParticleMultiplyByAxisAngle::get_output_port_count() const { + return 1; +} + +VisualShaderNodeParticleMultiplyByAxisAngle::PortType VisualShaderNodeParticleMultiplyByAxisAngle::get_output_port_type(int p_port) const { + return PORT_TYPE_VECTOR; +} + +String VisualShaderNodeParticleMultiplyByAxisAngle::get_output_port_name(int p_port) const { + return "position"; +} + +String VisualShaderNodeParticleMultiplyByAxisAngle::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; + if (degrees_mode) { + code += "\t" + p_output_vars[0] + " = __build_rotation_mat3(" + (p_input_vars[1].is_empty() ? ("vec3" + (String)get_input_port_default_value(1)) : p_input_vars[1]) + ", radians(" + (p_input_vars[2].is_empty() ? (String)get_input_port_default_value(2) : p_input_vars[2]) + ")) * " + (p_input_vars[0].is_empty() ? "vec3(0.0)" : p_input_vars[0]) + ";\n"; + } else { + code += "\t" + p_output_vars[0] + " = __build_rotation_mat3(" + (p_input_vars[1].is_empty() ? ("vec3" + (String)get_input_port_default_value(1)) : p_input_vars[1]) + ", " + (p_input_vars[2].is_empty() ? (String)get_input_port_default_value(2) : p_input_vars[2]) + ") * " + (p_input_vars[0].is_empty() ? "vec3(0.0)" : p_input_vars[0]) + ";\n"; + } + return code; +} + +void VisualShaderNodeParticleMultiplyByAxisAngle::set_degrees_mode(bool p_enabled) { + degrees_mode = p_enabled; + emit_changed(); +} + +bool VisualShaderNodeParticleMultiplyByAxisAngle::is_degrees_mode() const { + return degrees_mode; +} + +Vector VisualShaderNodeParticleMultiplyByAxisAngle::get_editable_properties() const { + Vector props; + props.push_back("degrees_mode"); + props.push_back("axis_amount"); + return props; +} + +VisualShaderNodeParticleMultiplyByAxisAngle::VisualShaderNodeParticleMultiplyByAxisAngle() { + set_input_port_default_value(1, Vector3(1, 0, 0)); + set_input_port_default_value(2, 0.0); +} + +// VisualShaderNodeParticleConeVelocity + +String VisualShaderNodeParticleConeVelocity::get_caption() const { + return "ConeVelocity"; +} + +int VisualShaderNodeParticleConeVelocity::get_input_port_count() const { + return 2; +} + +VisualShaderNodeParticleConeVelocity::PortType VisualShaderNodeParticleConeVelocity::get_input_port_type(int p_port) const { + if (p_port == 0) { + return PORT_TYPE_VECTOR; + } else if (p_port == 1) { + return PORT_TYPE_SCALAR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleConeVelocity::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "direction"; + } else if (p_port == 1) { + return "spread(degrees)"; + } + return String(); +} + +int VisualShaderNodeParticleConeVelocity::get_output_port_count() const { + return 1; +} + +VisualShaderNodeParticleConeVelocity::PortType VisualShaderNodeParticleConeVelocity::get_output_port_type(int p_port) const { + return PORT_TYPE_VECTOR; +} + +String VisualShaderNodeParticleConeVelocity::get_output_port_name(int p_port) const { + if (p_port == 0) { + return "velocity"; + } + return String(); +} + +String VisualShaderNodeParticleConeVelocity::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 += "\t__radians = radians(" + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ");\n"; + code += "\t__scalar_buff1 = __rand_from_seed_m1_p1(__seed) * __radians;\n"; + code += "\t__scalar_buff2 = __rand_from_seed_m1_p1(__seed) * __radians;\n"; + code += "\t__vec3_buff1 = " + (p_input_vars[0].is_empty() ? "vec3" + (String)get_input_port_default_value(0) : p_input_vars[0]) + ";\n"; + code += "\t__scalar_buff1 += __vec3_buff1.z != 0.0 ? atan(__vec3_buff1.x, __vec3_buff1.z) : sign(__vec3_buff1.x) * (PI / 2.0);\n"; + code += "\t__scalar_buff2 += __vec3_buff1.z != 0.0 ? atan(__vec3_buff1.y, abs(__vec3_buff1.z)) : (__vec3_buff1.x != 0.0 ? atan(__vec3_buff1.y, abs(__vec3_buff1.x)) : sign(__vec3_buff1.y) * (PI / 2.0));\n"; + code += "\t__vec3_buff1 = vec3(sin(__scalar_buff1), 0.0, cos(__scalar_buff1));\n"; + code += "\t__vec3_buff2 = vec3(0.0, sin(__scalar_buff2), cos(__scalar_buff2));\n"; + code += "\t__vec3_buff2.z = __vec3_buff2.z / max(0.0001, sqrt(abs(__vec3_buff2.z)));\n"; + code += "\t" + p_output_vars[0] + " = normalize(vec3(__vec3_buff1.x * __vec3_buff2.z, __vec3_buff2.y, __vec3_buff1.z * __vec3_buff2.z));\n"; + return code; +} + +VisualShaderNodeParticleConeVelocity::VisualShaderNodeParticleConeVelocity() { + set_input_port_default_value(0, Vector3(1, 0, 0)); + set_input_port_default_value(1, 45.0); +} + +// VisualShaderNodeParticleRandomness + +void VisualShaderNodeParticleRandomness::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_op_type", "type"), &VisualShaderNodeParticleRandomness::set_op_type); + ClassDB::bind_method(D_METHOD("get_op_type"), &VisualShaderNodeParticleRandomness::get_op_type); + + ADD_PROPERTY(PropertyInfo(Variant::INT, "op_type", PROPERTY_HINT_ENUM, "Scalar,Vector"), "set_op_type", "get_op_type"); + + BIND_ENUM_CONSTANT(OP_TYPE_SCALAR); + BIND_ENUM_CONSTANT(OP_TYPE_VECTOR); + BIND_ENUM_CONSTANT(OP_TYPE_MAX); +} + +Vector VisualShaderNodeParticleRandomness::get_editable_properties() const { + Vector props; + props.push_back("op_type"); + return props; +} + +String VisualShaderNodeParticleRandomness::get_caption() const { + return "ParticleRandomness"; +} + +int VisualShaderNodeParticleRandomness::get_output_port_count() const { + return 1; +} + +VisualShaderNodeParticleRandomness::PortType VisualShaderNodeParticleRandomness::get_output_port_type(int p_port) const { + if (op_type == OP_TYPE_VECTOR) { + return PORT_TYPE_VECTOR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleRandomness::get_output_port_name(int p_port) const { + return "random"; +} + +int VisualShaderNodeParticleRandomness::get_input_port_count() const { + return 2; +} + +VisualShaderNodeParticleRandomness::PortType VisualShaderNodeParticleRandomness::get_input_port_type(int p_port) const { + if (op_type == OP_TYPE_VECTOR) { + return PORT_TYPE_VECTOR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleRandomness::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "min"; + } else if (p_port == 1) { + return "max"; + } + return String(); +} + +String VisualShaderNodeParticleRandomness::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; + if (op_type == OP_TYPE_SCALAR) { + code += vformat("\t%s = __randf_range(__seed, %s, %s);\n", p_output_vars[0], p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0], p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]); + } else if (op_type == OP_TYPE_VECTOR) { + code += vformat("\t%s = __randv_range(__seed, %s, %s);\n", p_output_vars[0], p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0], p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]); + } + return code; +} + +void VisualShaderNodeParticleRandomness::set_op_type(OpType p_op_type) { + ERR_FAIL_INDEX((int)p_op_type, OP_TYPE_MAX); + if (p_op_type != op_type) { + if (p_op_type == OP_TYPE_SCALAR) { + set_input_port_default_value(0, 0.0); + set_input_port_default_value(1, 1.0); + } else { + set_input_port_default_value(0, Vector3(-1.0, -1.0, -1.0)); + set_input_port_default_value(1, Vector3(1.0, 1.0, 1.0)); + } + } + op_type = p_op_type; + emit_changed(); +} + +VisualShaderNodeParticleRandomness::OpType VisualShaderNodeParticleRandomness::get_op_type() const { + return op_type; +} + +VisualShaderNodeParticleRandomness::VisualShaderNodeParticleRandomness() { + set_input_port_default_value(0, 0.0); + set_input_port_default_value(1, 1.0); +} + +// VisualShaderNodeParticleAccelerator + +void VisualShaderNodeParticleAccelerator::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_mode", "mode"), &VisualShaderNodeParticleAccelerator::set_mode); + ClassDB::bind_method(D_METHOD("get_mode"), &VisualShaderNodeParticleAccelerator::get_mode); + + ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Linear,Radial,Tangential"), "set_mode", "get_mode"); + + BIND_ENUM_CONSTANT(MODE_LINEAR); + BIND_ENUM_CONSTANT(MODE_RADIAL) + BIND_ENUM_CONSTANT(MODE_TANGENTIAL); + BIND_ENUM_CONSTANT(MODE_MAX); +} + +Vector VisualShaderNodeParticleAccelerator::get_editable_properties() const { + Vector props; + props.push_back("mode"); + return props; +} + +String VisualShaderNodeParticleAccelerator::get_caption() const { + return "ParticleAccelerator"; +} + +int VisualShaderNodeParticleAccelerator::get_output_port_count() const { + return 1; +} + +VisualShaderNodeParticleAccelerator::PortType VisualShaderNodeParticleAccelerator::get_output_port_type(int p_port) const { + return PORT_TYPE_VECTOR; +} + +String VisualShaderNodeParticleAccelerator::get_output_port_name(int p_port) const { + return String(); +} + +int VisualShaderNodeParticleAccelerator::get_input_port_count() const { + return 3; +} + +VisualShaderNodeParticleAccelerator::PortType VisualShaderNodeParticleAccelerator::get_input_port_type(int p_port) const { + if (p_port == 0) { + return PORT_TYPE_VECTOR; + } else if (p_port == 1) { + return PORT_TYPE_SCALAR; + } else if (p_port == 2) { + return PORT_TYPE_VECTOR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleAccelerator::get_input_port_name(int p_port) const { + if (p_port == 0) { + return "amount"; + } else if (p_port == 1) { + return "randomness"; + } else if (p_port == 2) { + return "axis"; + } + return String(); +} + +String VisualShaderNodeParticleAccelerator::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; + switch (mode) { + case MODE_LINEAR: + code += "\t" + p_output_vars[0] + " = length(VELOCITY) > 0.0 ? " + "normalize(VELOCITY) * " + (p_input_vars[0].is_empty() ? "vec3" + (String)get_input_port_default_value(0) : p_input_vars[0]) + " * mix(1.0, __rand_from_seed(__seed), " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ") : vec3(0.0);\n"; + break; + case MODE_RADIAL: + code += "\t" + p_output_vars[0] + " = length(__diff) > 0.0 ? __ndiff * " + (p_input_vars[0].is_empty() ? "vec3" + (String)get_input_port_default_value(0) : p_input_vars[0]) + " * mix(1.0, __rand_from_seed(__seed), " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ") : vec3(0.0);\n"; + break; + case MODE_TANGENTIAL: + code += "\t__vec3_buff1 = cross(__ndiff, normalize(" + (p_input_vars[2].is_empty() ? "vec3" + (String)get_input_port_default_value(2) : p_input_vars[2]) + "));\n"; + code += "\t" + p_output_vars[0] + " = length(__vec3_buff1) > 0.0 ? normalize(__vec3_buff1) * (" + (p_input_vars[0].is_empty() ? "vec3" + (String)get_input_port_default_value(0) : p_input_vars[0]) + " * mix(1.0, __rand_from_seed(__seed), " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ")) : vec3(0.0);\n"; + break; + case MODE_MAX: + break; + default: + break; + } + + return code; +} + +void VisualShaderNodeParticleAccelerator::set_mode(Mode p_mode) { + mode = p_mode; + emit_changed(); +} + +VisualShaderNodeParticleAccelerator::Mode VisualShaderNodeParticleAccelerator::get_mode() const { + return mode; +} + +VisualShaderNodeParticleAccelerator::VisualShaderNodeParticleAccelerator() { + set_input_port_default_value(0, Vector3(1, 1, 1)); + set_input_port_default_value(1, 0.0); + set_input_port_default_value(2, Vector3(0, -9.8, 0)); +} + +// VisualShaderNodeParticleOutput + +String VisualShaderNodeParticleOutput::get_caption() const { + if (shader_type == VisualShader::TYPE_START) { + return "StartOutput"; + } else if (shader_type == VisualShader::TYPE_PROCESS) { + return "ProcessOutput"; + } else if (shader_type == VisualShader::TYPE_COLLIDE) { + return "CollideOutput"; + } else if (shader_type == VisualShader::TYPE_START_CUSTOM) { + return "CustomStartOutput"; + } else if (shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + return "CustomProcessOutput"; + } + return String(); +} + +int VisualShaderNodeParticleOutput::get_input_port_count() const { + if (shader_type == VisualShader::TYPE_START) { + return 8; + } else if (shader_type == VisualShader::TYPE_COLLIDE) { + return 5; + } else if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + return 6; + } else { // TYPE_PROCESS + return 7; + } + return 0; +} + +VisualShaderNodeParticleOutput::PortType VisualShaderNodeParticleOutput::get_input_port_type(int p_port) const { + switch (p_port) { + case 0: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + return PORT_TYPE_VECTOR; // custom.rgb + } + return PORT_TYPE_BOOLEAN; // active + case 1: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + break; // custom.a (scalar) + } + return PORT_TYPE_VECTOR; // velocity + case 2: + return PORT_TYPE_VECTOR; // color & velocity + case 3: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + return PORT_TYPE_VECTOR; // color + } + break; // alpha (scalar) + case 4: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + break; // alpha + } + if (shader_type == VisualShader::TYPE_PROCESS) { + break; // scale + } + if (shader_type == VisualShader::TYPE_COLLIDE) { + return PORT_TYPE_TRANSFORM; // transform + } + return PORT_TYPE_VECTOR; // position + case 5: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + return PORT_TYPE_TRANSFORM; // transform + } + if (shader_type == VisualShader::TYPE_PROCESS) { + return PORT_TYPE_VECTOR; // rotation_axis + } + break; // scale (scalar) + case 6: + if (shader_type == VisualShader::TYPE_START) { + return PORT_TYPE_VECTOR; // rotation_axis + } + break; + case 7: + break; // angle (scalar) + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleOutput::get_input_port_name(int p_port) const { + String port_name; + switch (p_port) { + case 0: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "custom"; + break; + } + port_name = "active"; + break; + case 1: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "custom_alpha"; + break; + } + port_name = "velocity"; + break; + case 2: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "velocity"; + break; + } + port_name = "color"; + break; + case 3: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "color"; + break; + } + port_name = "alpha"; + break; + case 4: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "alpha"; + break; + } + if (shader_type == VisualShader::TYPE_PROCESS) { + port_name = "scale"; + break; + } + if (shader_type == VisualShader::TYPE_COLLIDE) { + port_name = "transform"; + break; + } + port_name = "position"; + break; + case 5: + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + port_name = "transform"; + break; + } + if (shader_type == VisualShader::TYPE_PROCESS) { + port_name = "rotation_axis"; + break; + } + port_name = "scale"; + break; + case 6: + if (shader_type == VisualShader::TYPE_PROCESS) { + port_name = "angle_in_radians"; + break; + } + port_name = "rotation_axis"; + break; + case 7: + port_name = "angle_in_radians"; + break; + default: + break; + } + if (!port_name.is_empty()) { + return port_name.capitalize(); + } + return String(); +} + +bool VisualShaderNodeParticleOutput::is_port_separator(int p_index) const { + if (shader_type == VisualShader::TYPE_START || shader_type == VisualShader::TYPE_PROCESS) { + String name = get_input_port_name(p_index); + return bool(name == "Scale"); + } + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + String name = get_input_port_name(p_index); + return bool(name == "Velocity"); + } + return false; +} + +String VisualShaderNodeParticleOutput::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; + String tab = "\t"; + + if (shader_type == VisualShader::TYPE_START_CUSTOM || shader_type == VisualShader::TYPE_PROCESS_CUSTOM) { + if (!p_input_vars[0].is_empty()) { // custom.rgb + code += tab + "CUSTOM.rgb = " + p_input_vars[0] + ";\n"; + } + if (!p_input_vars[1].is_empty()) { // custom.a + code += tab + "CUSTOM.a = " + p_input_vars[1] + ";\n"; + } + if (!p_input_vars[2].is_empty()) { // velocity + code += tab + "VELOCITY = " + p_input_vars[2] + ";\n"; + } + if (!p_input_vars[3].is_empty()) { // color.rgb + code += tab + "COLOR.rgb = " + p_input_vars[3] + ";\n"; + } + if (!p_input_vars[4].is_empty()) { // color.a + code += tab + "COLOR.a = " + p_input_vars[4] + ";\n"; + } + if (!p_input_vars[5].is_empty()) { // transform + code += tab + "TRANSFORM = " + p_input_vars[5] + ";\n"; + } + } else { + if (!p_input_vars[0].is_empty()) { // active (begin) + code += tab + "ACTIVE = " + p_input_vars[0] + ";\n"; + code += tab + "if(ACTIVE) {\n"; + tab += "\t"; + } + if (!p_input_vars[1].is_empty()) { // velocity + code += tab + "VELOCITY = " + p_input_vars[1] + ";\n"; + } + if (!p_input_vars[2].is_empty()) { // color + code += tab + "COLOR.rgb = " + p_input_vars[2] + ";\n"; + } + if (!p_input_vars[3].is_empty()) { // alpha + code += tab + "COLOR.a = " + p_input_vars[3] + ";\n"; + } + + // position + if (shader_type == VisualShader::TYPE_START) { + code += tab + "if (RESTART_POSITION) {\n"; + if (!p_input_vars[4].is_empty()) { + code += tab + "\tTRANSFORM = mat4(vec4(1.0, 0.0, 0.0, 0.0), vec4(0.0, 1.0, 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(" + p_input_vars[4] + ", 1.0));\n"; + } else { + code += tab + "\tTRANSFORM = mat4(vec4(1.0, 0.0, 0.0, 0.0), vec4(0.0, 1.0, 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; + } + code += tab + "\tif (RESTART_VELOCITY) {\n"; + code += tab + "\t\tVELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; + code += tab + "\t}\n"; + code += tab + "\tTRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; + code += tab + "}\n"; + } else if (shader_type == VisualShader::TYPE_COLLIDE) { // position + if (!p_input_vars[4].is_empty()) { + code += tab + "TRANSFORM = " + p_input_vars[4] + ";\n"; + } + } + + if (shader_type == VisualShader::TYPE_START || shader_type == VisualShader::TYPE_PROCESS) { + int scale = 5; + int rotation_axis = 6; + int rotation = 7; + if (shader_type == VisualShader::TYPE_PROCESS) { + scale = 4; + rotation_axis = 5; + rotation = 6; + } + String op; + if (shader_type == VisualShader::TYPE_START) { + op = "*="; + } else { + op = "="; + } + + if (!p_input_vars[rotation].is_empty()) { // rotation_axis & angle_in_radians + String axis; + if (p_input_vars[rotation_axis].is_empty()) { + axis = "vec3(0, 1, 0)"; + } else { + axis = p_input_vars[rotation_axis]; + } + code += tab + "TRANSFORM " + op + " __build_rotation_mat4(" + axis + ", " + p_input_vars[rotation] + ");\n"; + } + if (!p_input_vars[scale].is_empty()) { // scale + code += tab + "TRANSFORM " + op + " mat4(vec4(" + p_input_vars[scale] + ", 0, 0, 0), vec4(0, " + p_input_vars[scale] + ", 0, 0), vec4(0, 0, " + p_input_vars[scale] + ", 0), vec4(0, 0, 0, 1));\n"; + } + } + if (!p_input_vars[0].is_empty()) { // active (end) + code += "\t}\n"; + } + } + return code; +} + +VisualShaderNodeParticleOutput::VisualShaderNodeParticleOutput() { +} + +// EmitParticle + +Vector VisualShaderNodeParticleEmit::get_editable_properties() const { + Vector props; + props.push_back("flags"); + return props; +} + +void VisualShaderNodeParticleEmit::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_flags", "flags"), &VisualShaderNodeParticleEmit::set_flags); + ClassDB::bind_method(D_METHOD("get_flags"), &VisualShaderNodeParticleEmit::get_flags); + + ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Position,RotScale,Velocity,Color,Custom"), "set_flags", "get_flags"); + + BIND_ENUM_CONSTANT(EMIT_FLAG_POSITION); + BIND_ENUM_CONSTANT(EMIT_FLAG_ROT_SCALE); + BIND_ENUM_CONSTANT(EMIT_FLAG_VELOCITY); + BIND_ENUM_CONSTANT(EMIT_FLAG_COLOR); + BIND_ENUM_CONSTANT(EMIT_FLAG_CUSTOM); +} + +String VisualShaderNodeParticleEmit::get_caption() const { + return "EmitParticle"; +} + +int VisualShaderNodeParticleEmit::get_input_port_count() const { + return 7; +} + +VisualShaderNodeParticleEmit::PortType VisualShaderNodeParticleEmit::get_input_port_type(int p_port) const { + switch (p_port) { + case 0: + return PORT_TYPE_BOOLEAN; + case 1: + return PORT_TYPE_TRANSFORM; + case 2: + return PORT_TYPE_VECTOR; + case 3: + return PORT_TYPE_VECTOR; + case 4: + return PORT_TYPE_SCALAR; + case 5: + return PORT_TYPE_VECTOR; + case 6: + return PORT_TYPE_SCALAR; + } + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleEmit::get_input_port_name(int p_port) const { + switch (p_port) { + case 0: + return "condition"; + case 1: + return "transform"; + case 2: + return "velocity"; + case 3: + return "color"; + case 4: + return "alpha"; + case 5: + return "custom"; + case 6: + return "custom_alpha"; + } + return String(); +} + +int VisualShaderNodeParticleEmit::get_output_port_count() const { + return 0; +} + +VisualShaderNodeParticleEmit::PortType VisualShaderNodeParticleEmit::get_output_port_type(int p_port) const { + return PORT_TYPE_SCALAR; +} + +String VisualShaderNodeParticleEmit::get_output_port_name(int p_port) const { + return String(); +} + +void VisualShaderNodeParticleEmit::add_flag(EmitFlags p_flag) { + flags |= p_flag; + emit_changed(); +} + +bool VisualShaderNodeParticleEmit::has_flag(EmitFlags p_flag) const { + return flags & p_flag; +} + +void VisualShaderNodeParticleEmit::set_flags(EmitFlags p_flags) { + flags = (int)p_flags; + emit_changed(); +} + +VisualShaderNodeParticleEmit::EmitFlags VisualShaderNodeParticleEmit::get_flags() const { + return EmitFlags(flags); +} + +bool VisualShaderNodeParticleEmit::is_show_prop_names() const { + return true; +} + +bool VisualShaderNodeParticleEmit::is_generate_input_var(int p_port) const { + if (p_port == 0) { + if (!is_input_port_connected(0)) { + return false; + } + } + return true; +} + +String VisualShaderNodeParticleEmit::get_input_port_default_hint(int p_port) const { + switch (p_port) { + case 1: + return "default"; + case 2: + return "default"; + case 3: + return "default"; + case 4: + return "default"; + case 5: + return "default"; + case 6: + return "default"; + } + return String(); +} + +String VisualShaderNodeParticleEmit::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; + String tab; + bool default_condition = false; + + if (!is_input_port_connected(0)) { + default_condition = true; + if (get_input_port_default_value(0)) { + tab = "\t"; + } else { + return code; + } + } else { + tab = "\t\t"; + } + + String transform; + if (p_input_vars[1].is_empty()) { + transform = "TRANSFORM"; + } else { + transform = p_input_vars[1]; + } + + String velocity; + if (p_input_vars[2].is_empty()) { + velocity = "VELOCITY"; + } else { + velocity = p_input_vars[2]; + } + + String color; + if (p_input_vars[3].is_empty()) { + color = "COLOR.rgb"; + } else { + color = p_input_vars[3]; + } + + String alpha; + if (p_input_vars[4].is_empty()) { + alpha = "COLOR.a"; + } else { + alpha = p_input_vars[4]; + } + + String custom; + if (p_input_vars[5].is_empty()) { + custom = "CUSTOM.rgb"; + } else { + custom = p_input_vars[5]; + } + + String custom_alpha; + if (p_input_vars[6].is_empty()) { + custom_alpha = "CUSTOM.a"; + } else { + custom_alpha = p_input_vars[6]; + } + + List flags_arr; + + if (has_flag(EmitFlags::EMIT_FLAG_POSITION)) { + flags_arr.push_back("FLAG_EMIT_POSITION"); + } + if (has_flag(EmitFlags::EMIT_FLAG_ROT_SCALE)) { + flags_arr.push_back("FLAG_EMIT_ROT_SCALE"); + } + if (has_flag(EmitFlags::EMIT_FLAG_VELOCITY)) { + flags_arr.push_back("FLAG_EMIT_VELOCITY"); + } + if (has_flag(EmitFlags::EMIT_FLAG_COLOR)) { + flags_arr.push_back("FLAG_EMIT_COLOR"); + } + if (has_flag(EmitFlags::EMIT_FLAG_CUSTOM)) { + flags_arr.push_back("FLAG_EMIT_CUSTOM"); + } + + String flags; + + for (int i = 0; i < flags_arr.size(); i++) { + if (i > 0) { + flags += "|"; + } + flags += flags_arr[i]; + } + + if (flags.is_empty()) { + flags = "uint(0)"; + } + + if (!default_condition) { + code += "\tif (" + p_input_vars[0] + ") {\n"; + } + + code += tab + "emit_subparticle(" + transform + ", " + velocity + ", vec4(" + color + ", " + alpha + "), vec4(" + custom + ", " + custom_alpha + "), " + flags + ");\n"; + + if (!default_condition) { + code += "\t}\n"; + } + + return code; +} + +VisualShaderNodeParticleEmit::VisualShaderNodeParticleEmit() { + set_input_port_default_value(0, true); +} diff --git a/scene/resources/visual_shader_particle_nodes.h b/scene/resources/visual_shader_particle_nodes.h new file mode 100644 index 0000000000..ecd187a885 --- /dev/null +++ b/scene/resources/visual_shader_particle_nodes.h @@ -0,0 +1,285 @@ +/*************************************************************************/ +/* visual_shader_particle_nodes.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef VISUAL_SHADER_PARTICLE_NODES_H +#define VISUAL_SHADER_PARTICLE_NODES_H + +#include "scene/resources/visual_shader.h" + +// Emit nodes + +class VisualShaderNodeParticleEmitter : public VisualShaderNode { + GDCLASS(VisualShaderNodeParticleEmitter, VisualShaderNode); + +public: + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + VisualShaderNodeParticleEmitter(); +}; + +class VisualShaderNodeParticleSphereEmitter : public VisualShaderNodeParticleEmitter { + GDCLASS(VisualShaderNodeParticleSphereEmitter, VisualShaderNodeParticleEmitter); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual String generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const override; + virtual String 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 = false) const override; + + VisualShaderNodeParticleSphereEmitter(); +}; + +class VisualShaderNodeParticleBoxEmitter : public VisualShaderNodeParticleEmitter { + GDCLASS(VisualShaderNodeParticleBoxEmitter, VisualShaderNodeParticleEmitter); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual String generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const override; + virtual String 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 = false) const override; + + VisualShaderNodeParticleBoxEmitter(); +}; + +class VisualShaderNodeParticleRingEmitter : public VisualShaderNodeParticleEmitter { + GDCLASS(VisualShaderNodeParticleRingEmitter, VisualShaderNodeParticleEmitter); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual String generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const override; + virtual String 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 = false) const override; + + VisualShaderNodeParticleRingEmitter(); +}; + +class VisualShaderNodeParticleMultiplyByAxisAngle : public VisualShaderNode { + GDCLASS(VisualShaderNodeParticleMultiplyByAxisAngle, VisualShaderNode); + bool degrees_mode = true; + +protected: + static void _bind_methods(); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + virtual bool is_show_prop_names() const override; + + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + virtual String 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 = false) const override; + + void set_degrees_mode(bool p_enabled); + bool is_degrees_mode() const; + Vector get_editable_properties() const override; + + VisualShaderNodeParticleMultiplyByAxisAngle(); +}; + +class VisualShaderNodeParticleConeVelocity : public VisualShaderNode { + GDCLASS(VisualShaderNodeParticleConeVelocity, VisualShaderNode); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + virtual String 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 = false) const override; + + VisualShaderNodeParticleConeVelocity(); +}; + +class VisualShaderNodeParticleRandomness : public VisualShaderNode { + GDCLASS(VisualShaderNodeParticleRandomness, VisualShaderNode); + +public: + enum OpType { + OP_TYPE_SCALAR, + OP_TYPE_VECTOR, + OP_TYPE_MAX, + }; + +private: + OpType op_type = OP_TYPE_SCALAR; + +protected: + static void _bind_methods(); + +public: + Vector get_editable_properties() const override; + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + virtual String 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 = false) const override; + + void set_op_type(OpType p_type); + OpType get_op_type() const; + + VisualShaderNodeParticleRandomness(); +}; + +VARIANT_ENUM_CAST(VisualShaderNodeParticleRandomness::OpType) + +// Process nodes + +class VisualShaderNodeParticleAccelerator : public VisualShaderNodeOutput { + GDCLASS(VisualShaderNodeParticleAccelerator, VisualShaderNodeOutput); + +public: + enum Mode { + MODE_LINEAR, + MODE_RADIAL, + MODE_TANGENTIAL, + MODE_MAX, + }; + +private: + Mode mode = MODE_LINEAR; + +protected: + static void _bind_methods(); + +public: + Vector get_editable_properties() const override; + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + virtual String 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 = false) const override; + + void set_mode(Mode p_mode); + Mode get_mode() const; + + VisualShaderNodeParticleAccelerator(); +}; + +VARIANT_ENUM_CAST(VisualShaderNodeParticleAccelerator::Mode) + +// Common nodes + +class VisualShaderNodeParticleOutput : public VisualShaderNodeOutput { + GDCLASS(VisualShaderNodeParticleOutput, VisualShaderNodeOutput); + +public: + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + virtual bool is_port_separator(int p_index) const override; + + virtual String 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 = false) const override; + + VisualShaderNodeParticleOutput(); +}; + +class VisualShaderNodeParticleEmit : public VisualShaderNode { + GDCLASS(VisualShaderNodeParticleEmit, VisualShaderNode); + +public: + enum EmitFlags { + EMIT_FLAG_POSITION = 1, + EMIT_FLAG_ROT_SCALE = 2, + EMIT_FLAG_VELOCITY = 4, + EMIT_FLAG_COLOR = 8, + EMIT_FLAG_CUSTOM = 16, + }; + +protected: + int flags = EMIT_FLAG_POSITION | EMIT_FLAG_ROT_SCALE | EMIT_FLAG_VELOCITY | EMIT_FLAG_COLOR | EMIT_FLAG_CUSTOM; + static void _bind_methods(); + +public: + Vector get_editable_properties() const override; + virtual String get_caption() const override; + + virtual int get_input_port_count() const override; + virtual PortType get_input_port_type(int p_port) const override; + virtual String get_input_port_name(int p_port) const override; + + virtual int get_output_port_count() const override; + virtual PortType get_output_port_type(int p_port) const override; + virtual String get_output_port_name(int p_port) const override; + + void add_flag(EmitFlags p_flag); + bool has_flag(EmitFlags p_flag) const; + + void set_flags(EmitFlags p_flags); + EmitFlags get_flags() const; + + virtual bool is_show_prop_names() const override; + virtual bool is_generate_input_var(int p_port) const override; + virtual String get_input_port_default_hint(int p_port) const override; + virtual String 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 = false) const override; + + VisualShaderNodeParticleEmit(); +}; + +VARIANT_ENUM_CAST(VisualShaderNodeParticleEmit::EmitFlags) + +#endif -- cgit v1.2.3