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Merge pull request #55082 from Chaosus/vs_mesh_emitter

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Rémi Verschelde 2021-11-18 15:16:38 +01:00 committed by GitHub
commit d087e1c413
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 235 additions and 79 deletions
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1
scene/resources/visual_shader.cpp
View file

@ -1835,6 +1835,7 @@ void VisualShader::_update_shader() const {
code += " float __scalar_buff1;\n";
code += " float __scalar_buff2;\n";
code += " int __scalar_ibuff;\n";
code += " vec4 __vec4_buff;\n";
code += " vec3 __ndiff = normalize(__diff);\n\n";
}
if (has_start) {

299
scene/resources/visual_shader_particle_nodes.cpp
View file

@ -264,7 +264,7 @@ String VisualShaderNodeParticleMeshEmitter::get_caption() const {
}
int VisualShaderNodeParticleMeshEmitter::get_output_port_count() const {
return 2;
return 6;
}
VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter::get_output_port_type(int p_port) const {
@ -273,6 +273,14 @@ VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter
return PORT_TYPE_VECTOR; // position
case 1:
return PORT_TYPE_VECTOR; // normal
case 2:
return PORT_TYPE_VECTOR; // color
case 3:
return PORT_TYPE_SCALAR; // alpha
case 4:
return PORT_TYPE_VECTOR; // uv
case 5:
return PORT_TYPE_VECTOR; // uv2
}
return PORT_TYPE_SCALAR;
}
@ -283,6 +291,14 @@ String VisualShaderNodeParticleMeshEmitter::get_output_port_name(int p_port) con
return "position";
case 1:
return "normal";
case 2:
return "color";
case 3:
return "alpha";
case 4:
return "uv";
case 5:
return "uv2";
}
return String();
}
@ -299,135 +315,263 @@ String VisualShaderNodeParticleMeshEmitter::get_input_port_name(int p_port) cons
return String();
}
String VisualShaderNodeParticleMeshEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String VisualShaderNodeParticleMeshEmitter::generate_global(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String code;
if (mesh.is_valid()) {
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_vx") + ";\n";
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_nm") + ";\n";
if (is_output_port_connected(0)) { // position
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_vx") + ";\n";
}
if (is_output_port_connected(1)) { // normal
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_nm") + ";\n";
}
if (is_output_port_connected(2) || is_output_port_connected(3)) { // color & alpha
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_col") + ";\n";
}
if (is_output_port_connected(4)) { // uv
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_uv") + ";\n";
}
if (is_output_port_connected(5)) { // uv2
code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_uv2") + ";\n";
}
}
return code;
}
String VisualShaderNodeParticleMeshEmitter::_generate_code(VisualShader::Type p_type, int p_id, const String *p_output_vars, int p_index, const String &p_texture_name, bool p_ignore_mode2d) const {
String code;
if (is_output_port_connected(p_index)) {
if (mode_2d && !p_ignore_mode2d) {
code += " " + p_output_vars[p_index] + " = vec3(";
code += "texelFetch(";
code += make_unique_id(p_type, p_id, p_texture_name) + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n";
} else {
code += " " + p_output_vars[p_index] + " = texelFetch(";
code += make_unique_id(p_type, p_id, p_texture_name) + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n";
}
}
return code;
}
String VisualShaderNodeParticleMeshEmitter::generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview) const {
String code;
code += " __scalar_ibuff = int(__rand_from_seed(__seed) * 65535.0) % " + itos(position_texture->get_width()) + ";\n";
if (position_texture->get_width() == 0) {
code += " " + p_output_vars[0] + " = vec3(0.0);\n";
} else {
if (mode_2d) {
code += " " + p_output_vars[0] + " = vec3(";
code += "texelFetch(";
code += make_unique_id(p_type, p_id, "mesh_vx") + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n";
code += _generate_code(p_type, p_id, p_output_vars, 0, "mesh_vx");
code += _generate_code(p_type, p_id, p_output_vars, 1, "mesh_nm");
if (is_output_port_connected(2) || is_output_port_connected(3)) {
code += " __vec4_buff = texelFetch(";
code += make_unique_id(p_type, p_id, "mesh_col") + ", ";
code += "ivec2(__scalar_ibuff, 0), 0);\n";
if (is_output_port_connected(2)) {
code += " " + p_output_vars[2] + " = __vec4_buff.rgb;\n";
} else {
code += " " + p_output_vars[0] + " = texelFetch(";
code += make_unique_id(p_type, p_id, "mesh_vx") + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n";
code += " " + p_output_vars[2] + " = vec3(0.0);\n";
}
if (is_output_port_connected(3)) {
code += " " + p_output_vars[3] + " = __vec4_buff.a;\n";
} else {
code += " " + p_output_vars[3] + " = 0.0;\n";
}
}
if (normal_texture->get_width() == 0) {
code += " " + p_output_vars[1] + " = vec3(0.0);\n";
} else {
if (mode_2d) {
code += " " + p_output_vars[1] + " = vec3(";
code += "texelFetch(";
code += make_unique_id(p_type, p_id, "mesh_nm") + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n";
} else {
code += " " + p_output_vars[1] + " = texelFetch(";
code += make_unique_id(p_type, p_id, "mesh_nm") + ", ";
code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n";
}
}
code += _generate_code(p_type, p_id, p_output_vars, 4, "mesh_uv", true);
code += _generate_code(p_type, p_id, p_output_vars, 5, "mesh_uv2", true);
return code;
}
Vector<VisualShader::DefaultTextureParam> VisualShaderNodeParticleMeshEmitter::get_default_texture_parameters(VisualShader::Type p_type, int p_id) const {
VisualShader::DefaultTextureParam dtp_vx;
dtp_vx.name = make_unique_id(p_type, p_id, "mesh_vx");
dtp_vx.params.push_back(position_texture);
VisualShader::DefaultTextureParam dtp_nm;
dtp_nm.name = make_unique_id(p_type, p_id, "mesh_nm");
dtp_nm.params.push_back(normal_texture);
Vector<VisualShader::DefaultTextureParam> ret;
ret.push_back(dtp_vx);
ret.push_back(dtp_nm);
if (is_output_port_connected(0)) {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "mesh_vx");
dtp.params.push_back(position_texture);
ret.push_back(dtp);
}
if (is_output_port_connected(1)) {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "mesh_nm");
dtp.params.push_back(normal_texture);
ret.push_back(dtp);
}
if (is_output_port_connected(2) || is_output_port_connected(3)) {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "mesh_col");
dtp.params.push_back(color_texture);
ret.push_back(dtp);
}
if (is_output_port_connected(4)) {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "mesh_uv");
dtp.params.push_back(uv_texture);
ret.push_back(dtp);
}
if (is_output_port_connected(5)) {
VisualShader::DefaultTextureParam dtp;
dtp.name = make_unique_id(p_type, p_id, "mesh_uv2");
dtp.params.push_back(uv2_texture);
ret.push_back(dtp);
}
return ret;
}
void VisualShaderNodeParticleMeshEmitter::update_texture() {
void VisualShaderNodeParticleMeshEmitter::_update_texture(const Vector<Vector2> &p_array, Ref<ImageTexture> &r_texture) {
Ref<Image> image;
image.instantiate();
if (p_array.size() == 0) {
image->create(1, 1, false, Image::Format::FORMAT_RGBF);
} else {
image->create(p_array.size(), 1, false, Image::Format::FORMAT_RGBF);
}
for (int i = 0; i < p_array.size(); i++) {
Vector2 v = p_array[i];
image->set_pixel(i, 0, Color(v.x, v.y, 0));
}
if (r_texture->get_width() != p_array.size() || p_array.size() == 0) {
r_texture->create_from_image(image);
} else {
r_texture->update(image);
}
}
void VisualShaderNodeParticleMeshEmitter::_update_texture(const Vector<Vector3> &p_array, Ref<ImageTexture> &r_texture) {
Ref<Image> image;
image.instantiate();
if (p_array.size() == 0) {
image->create(1, 1, false, Image::Format::FORMAT_RGBF);
} else {
image->create(p_array.size(), 1, false, Image::Format::FORMAT_RGBF);
}
for (int i = 0; i < p_array.size(); i++) {
Vector3 v = p_array[i];
image->set_pixel(i, 0, Color(v.x, v.y, v.z));
}
if (r_texture->get_width() != p_array.size() || p_array.size() == 0) {
r_texture->create_from_image(image);
} else {
r_texture->update(image);
}
}
void VisualShaderNodeParticleMeshEmitter::_update_texture(const Vector<Color> &p_array, Ref<ImageTexture> &r_texture) {
Ref<Image> image;
image.instantiate();
if (p_array.size() == 0) {
image->create(1, 1, false, Image::Format::FORMAT_RGBA8);
} else {
image->create(p_array.size(), 1, false, Image::Format::FORMAT_RGBA8);
}
for (int i = 0; i < p_array.size(); i++) {
image->set_pixel(i, 0, p_array[i]);
}
if (r_texture->get_width() != p_array.size() || p_array.size() == 0) {
r_texture->create_from_image(image);
} else {
r_texture->update(image);
}
}
void VisualShaderNodeParticleMeshEmitter::_update_textures() {
if (!mesh.is_valid()) {
return;
}
Vector<Vector3> vertices;
Vector<Vector3> normals;
Vector<Color> colors;
Vector<Vector2> uvs;
Vector<Vector2> uvs2;
if (use_all_surfaces) {
for (int i = 0; i < max_surface_index; i++) {
// position
Array vertex_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_VERTEX];
for (int j = 0; j < vertex_array.size(); j++) {
vertices.push_back((Vector3)vertex_array[j]);
}
// normal
Array normal_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_NORMAL];
for (int j = 0; j < vertex_array.size(); j++) {
normals.push_back((Vector3)vertex_array[j]);
for (int j = 0; j < normal_array.size(); j++) {
normals.push_back((Vector3)normal_array[j]);
}
// color
Array color_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_COLOR];
for (int j = 0; j < color_array.size(); j++) {
colors.push_back((Color)color_array[j]);
}
// uv
Array uv_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_TEX_UV];
for (int j = 0; j < uv_array.size(); j++) {
uvs.push_back((Vector2)uv_array[j]);
}
// uv2
Array uv2_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_TEX_UV2];
for (int j = 0; j < uv2_array.size(); j++) {
uvs2.push_back((Vector2)uv2_array[j]);
}
}
} else {
// position
Array vertex_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_VERTEX];
for (int i = 0; i < vertex_array.size(); i++) {
vertices.push_back((Vector3)vertex_array[i]);
}
// normal
Array normal_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_NORMAL];
for (int i = 0; i < normal_array.size(); i++) {
normals.push_back((Vector3)normal_array[i]);
}
}
// vertices
{
Ref<Image> image;
image.instantiate();
image->create(vertices.size(), 1, false, Image::Format::FORMAT_RGBF);
for (int i = 0; i < vertices.size(); i++) {
Vector3 v = vertices[i];
image->set_pixel(i, 0, Color(v.x, v.y, v.z));
// color
Array color_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_COLOR];
for (int i = 0; i < color_array.size(); i++) {
colors.push_back((Color)color_array[i]);
}
if (position_texture->get_width() != vertices.size()) {
position_texture->create_from_image(image);
} else {
position_texture->update(image);
// uv
Array uv_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_TEX_UV];
for (int j = 0; j < uv_array.size(); j++) {
uvs.push_back((Vector2)uv_array[j]);
}
// uv2
Array uv2_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_TEX_UV2];
for (int j = 0; j < uv2_array.size(); j++) {
uvs2.push_back((Vector2)uv2_array[j]);
}
}
// normals
{
Ref<Image> image;
image.instantiate();
image->create(normals.size(), 1, false, Image::Format::FORMAT_RGBF);
for (int i = 0; i < normals.size(); i++) {
Vector3 v = normals[i];
image->set_pixel(i, 0, Color(v.x, v.y, v.z));
}
if (normal_texture->get_width() != normals.size()) {
normal_texture->create_from_image(image);
} else {
normal_texture->update(image);
}
}
_update_texture(vertices, position_texture);
_update_texture(normals, normal_texture);
_update_texture(colors, color_texture);
_update_texture(uvs, uv_texture);
_update_texture(uvs2, uv2_texture);
}
void VisualShaderNodeParticleMeshEmitter::set_mesh(Ref<Mesh> p_mesh) {
@ -442,7 +586,7 @@ void VisualShaderNodeParticleMeshEmitter::set_mesh(Ref<Mesh> p_mesh) {
}
if (mesh.is_valid()) {
Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture);
Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::_update_textures);
if (mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) {
mesh->disconnect(CoreStringNames::get_singleton()->changed, callable);
@ -452,7 +596,7 @@ void VisualShaderNodeParticleMeshEmitter::set_mesh(Ref<Mesh> p_mesh) {
mesh = p_mesh;
if (mesh.is_valid()) {
Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture);
Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::_update_textures);
if (!mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) {
mesh->connect(CoreStringNames::get_singleton()->changed, callable);
@ -528,10 +672,13 @@ void VisualShaderNodeParticleMeshEmitter::_bind_methods() {
}
VisualShaderNodeParticleMeshEmitter::VisualShaderNodeParticleMeshEmitter() {
connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture));
connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &VisualShaderNodeParticleMeshEmitter::_update_textures));
position_texture.instantiate();
normal_texture.instantiate();
color_texture.instantiate();
uv_texture.instantiate();
uv2_texture.instantiate();
}
// VisualShaderNodeParticleMultiplyByAxisAngle

14
scene/resources/visual_shader_particle_nodes.h
View file

@ -115,6 +115,16 @@ class VisualShaderNodeParticleMeshEmitter : public VisualShaderNodeParticleEmitt
Ref<ImageTexture> position_texture;
Ref<ImageTexture> normal_texture;
Ref<ImageTexture> color_texture;
Ref<ImageTexture> uv_texture;
Ref<ImageTexture> uv2_texture;
String _generate_code(VisualShader::Type p_type, int p_id, const String *p_output_vars, int p_index, const String &p_texture_name, bool p_ignore_mode2d = false) const;
void _update_texture(const Vector<Vector2> &p_array, Ref<ImageTexture> &r_texture);
void _update_texture(const Vector<Vector3> &p_array, Ref<ImageTexture> &r_texture);
void _update_texture(const Vector<Color> &p_array, Ref<ImageTexture> &r_texture);
void _update_textures();
protected:
static void _bind_methods();
@ -130,11 +140,9 @@ public:
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_global(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;
void update_texture();
void set_mesh(Ref<Mesh> p_mesh);
Ref<Mesh> get_mesh() const;