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visual_shader_nodes.cpp
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visual_shader_nodes.cpp
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/**************************************************************************/
/* visual_shader_nodes.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_nodes.h"
#include "visual_shader_nodes.compat.inc"
#include "scene/resources/image_texture.h"
////////////// Vector Base
VisualShaderNodeVectorBase::PortType VisualShaderNodeVectorBase::get_input_port_type(int p_port) const {
switch (op_type) {
case OP_TYPE_VECTOR_2D:
return PORT_TYPE_VECTOR_2D;
case OP_TYPE_VECTOR_3D:
return PORT_TYPE_VECTOR_3D;
case OP_TYPE_VECTOR_4D:
return PORT_TYPE_VECTOR_4D;
default:
break;
}
return PORT_TYPE_SCALAR;
}
VisualShaderNodeVectorBase::PortType VisualShaderNodeVectorBase::get_output_port_type(int p_port) const {
switch (op_type) {
case OP_TYPE_VECTOR_2D:
return p_port == 0 || get_output_port_count() > 1 ? PORT_TYPE_VECTOR_2D : PORT_TYPE_SCALAR;
case OP_TYPE_VECTOR_3D:
return p_port == 0 || get_output_port_count() > 1 ? PORT_TYPE_VECTOR_3D : PORT_TYPE_SCALAR;
case OP_TYPE_VECTOR_4D:
return p_port == 0 || get_output_port_count() > 1 ? PORT_TYPE_VECTOR_4D : PORT_TYPE_SCALAR;
default:
break;
}
return PORT_TYPE_SCALAR;
}
void VisualShaderNodeVectorBase::set_op_type(OpType p_op_type) {
ERR_FAIL_INDEX(int(p_op_type), int(OP_TYPE_MAX));
if (op_type == p_op_type) {
return;
}
op_type = p_op_type;
emit_changed();
}
VisualShaderNodeVectorBase::OpType VisualShaderNodeVectorBase::get_op_type() const {
return op_type;
}
void VisualShaderNodeVectorBase::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_op_type", "type"), &VisualShaderNodeVectorBase::set_op_type);
ClassDB::bind_method(D_METHOD("get_op_type"), &VisualShaderNodeVectorBase::get_op_type);
ADD_PROPERTY(PropertyInfo(Variant::INT, "op_type", PROPERTY_HINT_ENUM, "Vector2,Vector3,Vector4"), "set_op_type", "get_op_type");
BIND_ENUM_CONSTANT(OP_TYPE_VECTOR_2D);
BIND_ENUM_CONSTANT(OP_TYPE_VECTOR_3D);
BIND_ENUM_CONSTANT(OP_TYPE_VECTOR_4D);
BIND_ENUM_CONSTANT(OP_TYPE_MAX);
}
Vector<StringName> VisualShaderNodeVectorBase::get_editable_properties() const {
Vector<StringName> props;
props.push_back("op_type");
return props;
}
VisualShaderNodeVectorBase::VisualShaderNodeVectorBase() {
}
////////////// Constants Base
VisualShaderNodeConstant::VisualShaderNodeConstant() {
}
////////////// Scalar(Float)
String VisualShaderNodeFloatConstant::get_caption() const {
return "FloatConstant";
}
int VisualShaderNodeFloatConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeFloatConstant::PortType VisualShaderNodeFloatConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_SCALAR;
}
String VisualShaderNodeFloatConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeFloatConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeFloatConstant::PortType VisualShaderNodeFloatConstant::get_output_port_type(int p_port) const {
return PORT_TYPE_SCALAR;
}
String VisualShaderNodeFloatConstant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeFloatConstant::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 {
return " " + p_output_vars[0] + " = " + vformat("%.6f", constant) + ";\n";
}
void VisualShaderNodeFloatConstant::set_constant(float p_constant) {
if (Math::is_equal_approx(constant, p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
float VisualShaderNodeFloatConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeFloatConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeFloatConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeFloatConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeFloatConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeFloatConstant::VisualShaderNodeFloatConstant() {
}
////////////// Scalar(Int)
String VisualShaderNodeIntConstant::get_caption() const {
return "IntConstant";
}
int VisualShaderNodeIntConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeIntConstant::PortType VisualShaderNodeIntConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_SCALAR_INT;
}
String VisualShaderNodeIntConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeIntConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeIntConstant::PortType VisualShaderNodeIntConstant::get_output_port_type(int p_port) const {
return PORT_TYPE_SCALAR_INT;
}
String VisualShaderNodeIntConstant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeIntConstant::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 {
return " " + p_output_vars[0] + " = " + itos(constant) + ";\n";
}
void VisualShaderNodeIntConstant::set_constant(int p_constant) {
if (constant == p_constant) {
return;
}
constant = p_constant;
emit_changed();
}
int VisualShaderNodeIntConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeIntConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeIntConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeIntConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeIntConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::INT, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeIntConstant::VisualShaderNodeIntConstant() {
}
////////////// Scalar(UInt)
String VisualShaderNodeUIntConstant::get_caption() const {
return "UIntConstant";
}
int VisualShaderNodeUIntConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeUIntConstant::PortType VisualShaderNodeUIntConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_SCALAR_UINT;
}
String VisualShaderNodeUIntConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeUIntConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeUIntConstant::PortType VisualShaderNodeUIntConstant::get_output_port_type(int p_port) const {
return PORT_TYPE_SCALAR_UINT;
}
String VisualShaderNodeUIntConstant::get_output_port_name(int p_port) const {
return ""; // No output port means the editor will be used as port.
}
String VisualShaderNodeUIntConstant::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 {
return " " + p_output_vars[0] + " = " + itos(constant) + "u;\n";
}
void VisualShaderNodeUIntConstant::set_constant(int p_constant) {
if (constant == p_constant) {
return;
}
constant = p_constant;
emit_changed();
}
int VisualShaderNodeUIntConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeUIntConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeUIntConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeUIntConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeUIntConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::INT, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeUIntConstant::VisualShaderNodeUIntConstant() {
}
////////////// Boolean
String VisualShaderNodeBooleanConstant::get_caption() const {
return "BooleanConstant";
}
int VisualShaderNodeBooleanConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeBooleanConstant::PortType VisualShaderNodeBooleanConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_BOOLEAN;
}
String VisualShaderNodeBooleanConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeBooleanConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeBooleanConstant::PortType VisualShaderNodeBooleanConstant::get_output_port_type(int p_port) const {
return PORT_TYPE_BOOLEAN;
}
String VisualShaderNodeBooleanConstant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeBooleanConstant::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 {
return " " + p_output_vars[0] + " = " + (constant ? "true" : "false") + ";\n";
}
void VisualShaderNodeBooleanConstant::set_constant(bool p_constant) {
if (constant == p_constant) {
return;
}
constant = p_constant;
emit_changed();
}
bool VisualShaderNodeBooleanConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeBooleanConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeBooleanConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeBooleanConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeBooleanConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeBooleanConstant::VisualShaderNodeBooleanConstant() {
}
////////////// Color
String VisualShaderNodeColorConstant::get_caption() const {
return "ColorConstant";
}
int VisualShaderNodeColorConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeColorConstant::PortType VisualShaderNodeColorConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_VECTOR_4D;
}
String VisualShaderNodeColorConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeColorConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeColorConstant::PortType VisualShaderNodeColorConstant::get_output_port_type(int p_port) const {
return p_port == 0 ? PORT_TYPE_VECTOR_4D : PORT_TYPE_SCALAR;
}
String VisualShaderNodeColorConstant::get_output_port_name(int p_port) const {
return "";
}
String VisualShaderNodeColorConstant::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 {
return " " + p_output_vars[0] + " = " + vformat("vec4(%.6f, %.6f, %.6f, %.6f)", constant.r, constant.g, constant.b, constant.a) + ";\n";
}
void VisualShaderNodeColorConstant::set_constant(const Color &p_constant) {
if (constant.is_equal_approx(p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
Color VisualShaderNodeColorConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeColorConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeColorConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeColorConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeColorConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::COLOR, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeColorConstant::VisualShaderNodeColorConstant() {
}
////////////// Vector2
String VisualShaderNodeVec2Constant::get_caption() const {
return "Vector2Constant";
}
int VisualShaderNodeVec2Constant::get_input_port_count() const {
return 0;
}
VisualShaderNodeVec2Constant::PortType VisualShaderNodeVec2Constant::get_input_port_type(int p_port) const {
return PORT_TYPE_VECTOR_2D;
}
String VisualShaderNodeVec2Constant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeVec2Constant::get_output_port_count() const {
return 1;
}
VisualShaderNodeVec2Constant::PortType VisualShaderNodeVec2Constant::get_output_port_type(int p_port) const {
return p_port == 0 ? PORT_TYPE_VECTOR_2D : PORT_TYPE_SCALAR;
}
String VisualShaderNodeVec2Constant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeVec2Constant::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 {
return " " + p_output_vars[0] + " = " + vformat("vec2(%.6f, %.6f)", constant.x, constant.y) + ";\n";
}
void VisualShaderNodeVec2Constant::set_constant(const Vector2 &p_constant) {
if (constant.is_equal_approx(p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
Vector2 VisualShaderNodeVec2Constant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeVec2Constant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeVec2Constant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeVec2Constant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeVec2Constant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeVec2Constant::VisualShaderNodeVec2Constant() {
}
////////////// Vector3
String VisualShaderNodeVec3Constant::get_caption() const {
return "Vector3Constant";
}
int VisualShaderNodeVec3Constant::get_input_port_count() const {
return 0;
}
VisualShaderNodeVec3Constant::PortType VisualShaderNodeVec3Constant::get_input_port_type(int p_port) const {
return PORT_TYPE_VECTOR_3D;
}
String VisualShaderNodeVec3Constant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeVec3Constant::get_output_port_count() const {
return 1;
}
VisualShaderNodeVec3Constant::PortType VisualShaderNodeVec3Constant::get_output_port_type(int p_port) const {
return p_port == 0 ? PORT_TYPE_VECTOR_3D : PORT_TYPE_SCALAR;
}
String VisualShaderNodeVec3Constant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeVec3Constant::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 {
return " " + p_output_vars[0] + " = " + vformat("vec3(%.6f, %.6f, %.6f)", constant.x, constant.y, constant.z) + ";\n";
}
void VisualShaderNodeVec3Constant::set_constant(const Vector3 &p_constant) {
if (constant.is_equal_approx(p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
Vector3 VisualShaderNodeVec3Constant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeVec3Constant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeVec3Constant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeVec3Constant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeVec3Constant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeVec3Constant::VisualShaderNodeVec3Constant() {
}
////////////// Vector4
String VisualShaderNodeVec4Constant::get_caption() const {
return "Vector4Constant";
}
int VisualShaderNodeVec4Constant::get_input_port_count() const {
return 0;
}
VisualShaderNodeVec4Constant::PortType VisualShaderNodeVec4Constant::get_input_port_type(int p_port) const {
return PORT_TYPE_VECTOR_4D;
}
String VisualShaderNodeVec4Constant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeVec4Constant::get_output_port_count() const {
return 1;
}
VisualShaderNodeVec4Constant::PortType VisualShaderNodeVec4Constant::get_output_port_type(int p_port) const {
return p_port == 0 ? PORT_TYPE_VECTOR_4D : PORT_TYPE_SCALAR;
}
String VisualShaderNodeVec4Constant::get_output_port_name(int p_port) const {
return ""; // No output port means the editor will be used as port.
}
String VisualShaderNodeVec4Constant::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 {
return " " + p_output_vars[0] + " = " + vformat("vec4(%.6f, %.6f, %.6f, %.6f)", constant.x, constant.y, constant.z, constant.w) + ";\n";
}
void VisualShaderNodeVec4Constant::set_constant(const Quaternion &p_constant) {
if (constant.is_equal_approx(p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
Quaternion VisualShaderNodeVec4Constant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeVec4Constant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeVec4Constant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeVec4Constant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeVec4Constant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::QUATERNION, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeVec4Constant::VisualShaderNodeVec4Constant() {
}
////////////// Transform3D
String VisualShaderNodeTransformConstant::get_caption() const {
return "TransformConstant";
}
int VisualShaderNodeTransformConstant::get_input_port_count() const {
return 0;
}
VisualShaderNodeTransformConstant::PortType VisualShaderNodeTransformConstant::get_input_port_type(int p_port) const {
return PORT_TYPE_VECTOR_3D;
}
String VisualShaderNodeTransformConstant::get_input_port_name(int p_port) const {
return String();
}
int VisualShaderNodeTransformConstant::get_output_port_count() const {
return 1;
}
VisualShaderNodeTransformConstant::PortType VisualShaderNodeTransformConstant::get_output_port_type(int p_port) const {
return PORT_TYPE_TRANSFORM;
}
String VisualShaderNodeTransformConstant::get_output_port_name(int p_port) const {
return ""; //no output port means the editor will be used as port
}
String VisualShaderNodeTransformConstant::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 {
Transform3D t = constant;
t.basis.transpose();
String code = " " + p_output_vars[0] + " = mat4(";
code += vformat("vec4(%.6f, %.6f, %.6f, 0.0), ", t.basis[0].x, t.basis[0].y, t.basis[0].z);
code += vformat("vec4(%.6f, %.6f, %.6f, 0.0), ", t.basis[1].x, t.basis[1].y, t.basis[1].z);
code += vformat("vec4(%.6f, %.6f, %.6f, 0.0), ", t.basis[2].x, t.basis[2].y, t.basis[2].z);
code += vformat("vec4(%.6f, %.6f, %.6f, 1.0));\n", t.origin.x, t.origin.y, t.origin.z);
return code;
}
void VisualShaderNodeTransformConstant::set_constant(const Transform3D &p_constant) {
if (constant.is_equal_approx(p_constant)) {
return;
}
constant = p_constant;
emit_changed();
}
Transform3D VisualShaderNodeTransformConstant::get_constant() const {
return constant;
}
Vector<StringName> VisualShaderNodeTransformConstant::get_editable_properties() const {
Vector<StringName> props;
props.push_back("constant");
return props;
}
void VisualShaderNodeTransformConstant::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_constant", "constant"), &VisualShaderNodeTransformConstant::set_constant);
ClassDB::bind_method(D_METHOD("get_constant"), &VisualShaderNodeTransformConstant::get_constant);
ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM3D, "constant"), "set_constant", "get_constant");
}
VisualShaderNodeTransformConstant::VisualShaderNodeTransformConstant() {
}
////////////// Texture
String VisualShaderNodeTexture::get_caption() const {
return "Texture2D";
}
int VisualShaderNodeTexture::get_input_port_count() const {
return 3;
}
VisualShaderNodeTexture::PortType VisualShaderNodeTexture::get_input_port_type(int p_port) const {
switch (p_port) {
case 0:
return PORT_TYPE_VECTOR_2D;
case 1:
return PORT_TYPE_SCALAR;
case 2:
return PORT_TYPE_SAMPLER;
default:
return PORT_TYPE_SCALAR;
}
}
String VisualShaderNodeTexture::get_input_port_name(int p_port) const {
switch (p_port) {
case 0:
return "uv";
case 1:
return "lod";
case 2:
return "sampler2D";
default:
return "";
}
}
int VisualShaderNodeTexture::get_output_port_count() const {
return 1;
}
VisualShaderNodeTexture::PortType VisualShaderNodeTexture::get_output_port_type(int p_port) const {
return p_port == 0 ? PORT_TYPE_VECTOR_4D : PORT_TYPE_SCALAR;
}
String VisualShaderNodeTexture::get_output_port_name(int p_port) const {
switch (p_port) {
case 0:
return "color";
default:
return "";
}
}
bool VisualShaderNodeTexture::is_input_port_default(int p_port, Shader::Mode p_mode) const {
if (p_mode == Shader::MODE_CANVAS_ITEM || p_mode == Shader::MODE_SPATIAL) {
if (p_port == 0) {
return true;
}
}
return false;
}
Vector<VisualShader::DefaultTextureParam> VisualShaderNodeTexture::get_default_texture_parameters(VisualShader::Type p_type, int p_id) const {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "tex");
dtp.params.push_back(texture);
Vector<VisualShader::DefaultTextureParam> ret;
ret.push_back(dtp);
return ret;
}
String VisualShaderNodeTexture::generate_global(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String code;
switch (source) {
case SOURCE_TEXTURE: {
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "tex");
switch (texture_type) {
case TYPE_DATA: {
} break;
case TYPE_COLOR: {
code += " : source_color";
} break;
case TYPE_NORMAL_MAP: {
code += " : hint_normal";
} break;
default: {
} break;
}
code += ";\n";
} break;
case SOURCE_SCREEN: {
if ((p_mode == Shader::MODE_SPATIAL || p_mode == Shader::MODE_CANVAS_ITEM) && p_type == VisualShader::TYPE_FRAGMENT) {
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "screen_tex") + " : hint_screen_texture;\n";
}
} break;
case SOURCE_DEPTH:
case SOURCE_3D_NORMAL:
case SOURCE_ROUGHNESS: {
if (p_mode == Shader::MODE_SPATIAL && p_type == VisualShader::TYPE_FRAGMENT) {
String sampler_name = "";
String hint = " : ";
if (source == SOURCE_DEPTH) {
sampler_name = "depth_tex";
hint += "hint_depth_texture;\n";
} else {
sampler_name = source == SOURCE_ROUGHNESS ? "roughness_tex" : "normal_roughness_tex";
hint += "hint_normal_roughness_texture;\n";
}
code += "uniform sampler2D " + make_unique_id(p_type, p_id, sampler_name) + hint;
}
} break;
default: {
} break;
}
return code;
}
String VisualShaderNodeTexture::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 default_uv;
if (p_mode == Shader::MODE_CANVAS_ITEM || p_mode == Shader::MODE_SPATIAL) {
if (source == SOURCE_SCREEN) {
default_uv = "SCREEN_UV";
} else {
default_uv = "UV";
}
} else {
default_uv = "vec2(0.0)";
}
String code;
String uv = p_input_vars[0].is_empty() ? default_uv : p_input_vars[0];
switch (source) {
case SOURCE_PORT:
case SOURCE_TEXTURE: {
String id;
if (source == SOURCE_PORT) {
id = p_input_vars[2];
if (id.is_empty()) {
break;
}
} else { // SOURCE_TEXTURE
id = make_unique_id(p_type, p_id, "tex");
}
if (p_input_vars[1].is_empty()) {
code += " " + p_output_vars[0] + " = texture(" + id + ", " + uv + ");\n";
} else {
code += " " + p_output_vars[0] + " = textureLod(" + id + ", " + uv + ", " + p_input_vars[1] + ");\n";
}
return code;
} break;
case SOURCE_SCREEN: {
if ((p_mode == Shader::MODE_SPATIAL || p_mode == Shader::MODE_CANVAS_ITEM) && p_type == VisualShader::TYPE_FRAGMENT) {
String id = make_unique_id(p_type, p_id, "screen_tex");
if (p_input_vars[1].is_empty()) {
code += " " + p_output_vars[0] + " = texture(" + id + ", " + uv + ");\n";
} else {
code += " " + p_output_vars[0] + " = textureLod(" + id + ", " + uv + ", " + p_input_vars[1] + ");\n";
}
return code;
}
} break;
case SOURCE_2D_NORMAL:
case SOURCE_2D_TEXTURE: {
if (p_mode == Shader::MODE_CANVAS_ITEM && p_type == VisualShader::TYPE_FRAGMENT) {
String id = source == SOURCE_2D_TEXTURE ? "TEXTURE" : "NORMAL_TEXTURE";
if (p_input_vars[1].is_empty()) {
code += " " + p_output_vars[0] + " = texture(" + id + ", " + uv + ");\n";
} else {
code += " " + p_output_vars[0] + " = textureLod(" + id + ", " + uv + ", " + p_input_vars[1] + ");\n";
}
return code;
}
} break;
case SOURCE_3D_NORMAL:
case SOURCE_ROUGHNESS:
case SOURCE_DEPTH: {
if (!p_for_preview && p_mode == Shader::MODE_SPATIAL && p_type == VisualShader::TYPE_FRAGMENT) {
String var_name = "";
String sampler_name = "";
switch (source) {
case SOURCE_DEPTH: {
var_name = "_depth";
sampler_name = "depth_tex";
} break;
case SOURCE_ROUGHNESS: {
var_name = "_roughness";
sampler_name = "roughness_tex";
} break;
case SOURCE_3D_NORMAL: {
var_name = "_normal";
sampler_name = "normal_roughness_tex";
} break;
default: {
} break;
}
String id = make_unique_id(p_type, p_id, sampler_name);
String type = source == SOURCE_3D_NORMAL ? "vec3" : "float";
String components = source == SOURCE_3D_NORMAL ? "rgb" : "r";
code += " {\n";
if (p_input_vars[1].is_empty()) {
code += " " + type + " " + var_name + " = texture(" + id + ", " + uv + ")." + components + ";\n";
} else {
code += " " + type + " " + var_name + " = textureLod(" + id + ", " + uv + ", " + p_input_vars[1] + ")." + components + ";\n";
}
if (source == SOURCE_3D_NORMAL) {
code += " " + p_output_vars[0] + " = vec4(" + var_name + ", 1.0);\n";
} else {
code += " " + p_output_vars[0] + " = vec4(" + var_name + ", " + var_name + ", " + var_name + ", 1.0);\n";
}
code += " }\n";
return code;
}
} break;
default: {
} break;
}
code += " " + p_output_vars[0] + " = vec4(0.0);\n";
return code;
}
void VisualShaderNodeTexture::set_source(Source p_source) {
ERR_FAIL_INDEX(int(p_source), int(SOURCE_MAX));
if (source == p_source) {
return;
}
switch (p_source) {
case SOURCE_TEXTURE:
simple_decl = true;
break;
case SOURCE_SCREEN:
simple_decl = false;
break;
case SOURCE_2D_TEXTURE:
simple_decl = false;
break;
case SOURCE_2D_NORMAL:
simple_decl = false;
break;
case SOURCE_DEPTH:
simple_decl = false;
break;
case SOURCE_PORT:
simple_decl = false;
break;
case SOURCE_3D_NORMAL:
simple_decl = false;
break;
case SOURCE_ROUGHNESS:
simple_decl = false;
break;
default:
break;
}
source = p_source;
emit_changed();
}
VisualShaderNodeTexture::Source VisualShaderNodeTexture::get_source() const {
return source;
}
void VisualShaderNodeTexture::set_texture(Ref<Texture2D> p_texture) {
texture = p_texture;
emit_changed();
}
Ref<Texture2D> VisualShaderNodeTexture::get_texture() const {
return texture;
}
void VisualShaderNodeTexture::set_texture_type(TextureType p_texture_type) {
ERR_FAIL_INDEX(int(p_texture_type), int(TYPE_MAX));
if (texture_type == p_texture_type) {
return;
}
texture_type = p_texture_type;
emit_changed();
}
VisualShaderNodeTexture::TextureType VisualShaderNodeTexture::get_texture_type() const {
return texture_type;
}
Vector<StringName> VisualShaderNodeTexture::get_editable_properties() const {
Vector<StringName> props;
props.push_back("source");
if (source == SOURCE_TEXTURE) {
props.push_back("texture");
props.push_back("texture_type");
}
return props;
}
String VisualShaderNodeTexture::get_warning(Shader::Mode p_mode, VisualShader::Type p_type) const {
if (is_input_port_connected(2) && source != SOURCE_PORT) {
return RTR("The sampler port is connected but not used. Consider changing the source to 'SamplerPort'.");
}
switch (source) {
case SOURCE_TEXTURE:
case SOURCE_PORT: {
return String(); // All good.
} break;
case SOURCE_SCREEN: {
if ((p_mode == Shader::MODE_SPATIAL || p_mode == Shader::MODE_CANVAS_ITEM) && p_type == VisualShader::TYPE_FRAGMENT) {
return String(); // All good.
}
} break;
case SOURCE_2D_NORMAL:
case SOURCE_2D_TEXTURE: {
if (p_mode == Shader::MODE_CANVAS_ITEM && p_type == VisualShader::TYPE_FRAGMENT) {
return String(); // All good.
}
} break;
case SOURCE_3D_NORMAL:
case SOURCE_ROUGHNESS:
case SOURCE_DEPTH: {
if (p_mode == Shader::MODE_SPATIAL && p_type == VisualShader::TYPE_FRAGMENT) {
if (get_output_port_for_preview() == 0) { // Not supported in preview(canvas_item) shader.
return RTR("Invalid source for preview.");
}