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Improve 2D Particle Emission Mask dialog

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# Conflicts:
#	editor/scene/2d/particles_2d_editor_plugin.cpp
This commit is contained in:
Timo Schwarzer
2025-07-17 11:07:10 +02:00
parent 6fd949a6dc
commit a9dab2ba22
2 changed files with 388 additions and 144 deletions
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488
editor/scene/2d/particles_2d_editor_plugin.cpp
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@ -32,12 +32,14 @@
#include "core/io/image_loader.h"
#include "editor/editor_node.h"
#include "editor/editor_string_names.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/gui/editor_file_dialog.h"
#include "scene/2d/cpu_particles_2d.h"
#include "scene/2d/gpu_particles_2d.h"
#include "scene/gui/box_container.h"
#include "scene/gui/check_box.h"
#include "scene/gui/margin_container.h"
#include "scene/gui/option_button.h"
#include "scene/gui/popup_menu.h"
#include "scene/gui/spin_box.h"
@ -61,154 +63,257 @@ void GPUParticles2DEditorPlugin::_add_menu_options(PopupMenu *p_menu) {
p_menu->add_item(TTR("Generate Visibility Rect"), MENU_GENERATE_VISIBILITY_RECT);
}
void Particles2DEditorPlugin::_file_selected(const String &p_file) {
source_emission_file = p_file;
emission_mask->popup_centered();
void Particles2DEditorPlugin::_browse_mask_texture_pressed() {
browsing_texture_type = TEXTURE_TYPE_MASK;
file_dialog->popup_file_dialog();
}
void Particles2DEditorPlugin::_get_base_emission_mask(PackedVector2Array &r_valid_positions, PackedVector2Array &r_valid_normals, PackedByteArray &r_valid_colors, Vector2i &r_image_size) {
Ref<Image> img;
img.instantiate();
Error err = ImageLoader::load_image(source_emission_file, img);
ERR_FAIL_COND_MSG(err != OK, "Error loading image '" + source_emission_file + "'.");
void Particles2DEditorPlugin::_browse_direction_texture_pressed() {
browsing_texture_type = TEXTURE_TYPE_DIRECTION;
file_dialog->popup_centered();
}
if (img->is_compressed()) {
img->decompress();
}
img->convert(Image::FORMAT_RGBA8);
ERR_FAIL_COND(img->get_format() != Image::FORMAT_RGBA8);
Size2i s = img->get_size();
ERR_FAIL_COND(s.width == 0 || s.height == 0);
r_image_size = s;
r_valid_positions.resize(s.width * s.height);
EmissionMode emode = (EmissionMode)emission_mask_mode->get_selected();
if (emode == EMISSION_MODE_BORDER_DIRECTED) {
r_valid_normals.resize(s.width * s.height);
void Particles2DEditorPlugin::_file_selected(const String &p_file) {
switch (browsing_texture_type) {
case TEXTURE_TYPE_MASK: {
mask_img_path_line_edit->set_text(p_file);
break;
}
case TEXTURE_TYPE_DIRECTION: {
direction_img_path_line_edit->set_text(p_file);
break;
}
}
bool capture_colors = emission_colors->is_pressed();
_validate_textures();
}
void Particles2DEditorPlugin::_process_emission_masks(PackedVector2Array &r_valid_positions, PackedVector2Array &r_valid_normals, PackedByteArray &r_valid_colors, Vector2i &r_image_size) {
Ref<Image> mask_img;
mask_img.instantiate();
Error err = ImageLoader::load_image(mask_img_path_line_edit->get_text(), mask_img);
ERR_FAIL_COND_MSG(err != OK, vformat("Error loading image '%s'.", mask_img_path_line_edit->get_text()));
if (mask_img->is_compressed()) {
mask_img->decompress();
}
mask_img->convert(Image::FORMAT_RGBA8);
ERR_FAIL_COND(mask_img->get_format() != Image::FORMAT_RGBA8);
Size2i mask_img_size = mask_img->get_size();
ERR_FAIL_COND(mask_img_size.width == 0 || mask_img_size.height == 0);
r_image_size = mask_img_size;
r_valid_positions.resize(mask_img_size.width * mask_img_size.height);
MaskMode emission_mode = static_cast<MaskMode>(emission_mask_mode->get_selected());
DirectionMode direction_mode = static_cast<DirectionMode>(emission_direction_mode->get_selected());
if (direction_mode != DIRECTION_MODE_NONE) {
r_valid_normals.resize(mask_img_size.width * mask_img_size.height);
}
bool capture_colors = emission_mask_colors->is_pressed();
if (capture_colors) {
r_valid_colors.resize(s.width * s.height * 4);
r_valid_colors.resize(mask_img_size.width * mask_img_size.height * 4);
}
int vpc = 0;
int valid_point_count = 0;
{
Vector<uint8_t> img_data = img->get_data();
const uint8_t *r = img_data.ptr();
Vector<uint8_t> mask_img_data = mask_img->get_data();
const uint8_t *mask_img_ptr = mask_img_data.ptr();
for (int i = 0; i < s.width; i++) {
for (int j = 0; j < s.height; j++) {
uint8_t a = r[(j * s.width + i) * 4 + 3];
for (int mask_img_x = 0; mask_img_x < mask_img_size.width; mask_img_x++) {
for (int mask_img_y = 0; mask_img_y < mask_img_size.height; mask_img_y++) {
uint8_t mask_alpha = mask_img_ptr[(mask_img_y * mask_img_size.width + mask_img_x) * 4 + 3];
if (a > 128) {
if (emode == EMISSION_MODE_SOLID) {
if (capture_colors) {
r_valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
r_valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
r_valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
r_valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
}
r_valid_positions.write[vpc++] = Point2(i, j);
if (mask_alpha <= 128) {
continue;
}
} else {
bool on_border = false;
for (int x = i - 1; x <= i + 1; x++) {
for (int y = j - 1; y <= j + 1; y++) {
if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
on_border = true;
break;
}
}
if (on_border) {
if (emission_mode == MASK_MODE_SOLID) {
r_valid_positions.write[valid_point_count++] = Point2(mask_img_x, mask_img_y);
} else {
bool pixel_is_on_border = false;
for (int x = mask_img_x - 1; x <= mask_img_x + 1; x++) {
for (int y = mask_img_y - 1; y <= mask_img_y + 1; y++) {
if (x < 0 || y < 0 || x >= mask_img_size.width || y >= mask_img_size.height || mask_img_ptr[(y * mask_img_size.width + x) * 4 + 3] <= 128) {
pixel_is_on_border = true;
break;
}
}
if (on_border) {
r_valid_positions.write[vpc] = Point2(i, j);
if (emode == EMISSION_MODE_BORDER_DIRECTED) {
Vector2 normal;
for (int x = i - 2; x <= i + 2; x++) {
for (int y = j - 2; y <= j + 2; y++) {
if (x == i && y == j) {
continue;
}
if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
normal += Vector2(x - i, y - j).normalized();
}
}
}
normal.normalize();
r_valid_normals.write[vpc] = normal;
}
if (capture_colors) {
r_valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
r_valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
r_valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
r_valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
}
vpc++;
if (pixel_is_on_border) {
break;
}
}
if (!pixel_is_on_border) {
continue;
}
r_valid_positions.write[valid_point_count] = Point2(mask_img_x, mask_img_y);
if (direction_mode == DIRECTION_MODE_GENERATE) {
Vector2 normal;
for (int x = mask_img_x - 2; x <= mask_img_x + 2; x++) {
for (int y = mask_img_y - 2; y <= mask_img_y + 2; y++) {
if (x == mask_img_x && y == mask_img_y) {
continue;
}
if (x < 0 || y < 0 || x >= mask_img_size.width || y >= mask_img_size.height || mask_img_ptr[(y * mask_img_size.width + x) * 4 + 3] <= 128) {
normal += Vector2(x - mask_img_x, y - mask_img_y).normalized();
}
}
}
normal.normalize();
r_valid_normals.write[valid_point_count] = normal;
}
valid_point_count++;
}
}
}
if (capture_colors) {
for (int i = 0; i < valid_point_count; ++i) {
const Point2i point = r_valid_positions.get(i);
r_valid_colors.write[i * 4 + 0] = mask_img_ptr[(point.y * mask_img_size.width + point.x) * 4 + 0];
r_valid_colors.write[i * 4 + 1] = mask_img_ptr[(point.y * mask_img_size.width + point.x) * 4 + 1];
r_valid_colors.write[i * 4 + 2] = mask_img_ptr[(point.y * mask_img_size.width + point.x) * 4 + 2];
r_valid_colors.write[i * 4 + 3] = mask_img_ptr[(point.y * mask_img_size.width + point.x) * 4 + 3];
}
}
}
r_valid_positions.resize(vpc);
if (direction_mode == DIRECTION_MODE_TEXTURE) {
Ref<Image> normal_img;
normal_img.instantiate();
err = ImageLoader::load_image(direction_img_path_line_edit->get_text(), normal_img);
ERR_FAIL_COND_MSG(err != OK, vformat("Error loading image '%s'.", direction_img_path_line_edit->get_text()));
if (normal_img->is_compressed()) {
normal_img->decompress();
}
normal_img->convert(Image::FORMAT_RGB8);
ERR_FAIL_COND(normal_img->get_format() != Image::FORMAT_RGB8);
Size2i normal_img_size = normal_img->get_size();
ERR_FAIL_COND(normal_img_size.width == 0 || normal_img_size.height == 0);
ERR_FAIL_COND_MSG(normal_img_size != mask_img_size, "Mask and Normal texture must have the same size.");
Vector<uint8_t> normal_img_data = normal_img->get_data();
const uint8_t *normal_img_ptr = normal_img_data.ptr();
for (int i = 0; i < valid_point_count; ++i) {
const Point2i point = r_valid_positions.get(i);
const uint8_t normal_r = normal_img_ptr[(point.y * normal_img_size.width + point.x) * 3 + 0];
const uint8_t normal_g = normal_img_ptr[(point.y * normal_img_size.width + point.x) * 3 + 1];
Vector2 normal;
normal.x = static_cast<float>(normal_r) / 255.0f - 0.5f;
normal.y = static_cast<float>(normal_g) / 255.0f - 0.5f;
normal.normalize();
r_valid_normals.write[i] = normal;
}
}
r_valid_positions.resize(valid_point_count);
if (!r_valid_normals.is_empty()) {
r_valid_normals.resize(vpc);
r_valid_normals.resize(valid_point_count);
}
}
Particles2DEditorPlugin::Particles2DEditorPlugin() {
file = memnew(EditorFileDialog);
file_dialog = memnew(EditorFileDialog);
List<String> ext;
ImageLoader::get_recognized_extensions(&ext);
for (const String &E : ext) {
file->add_filter("*." + E, E.to_upper());
file_dialog->add_filter("*." + E, E.to_upper());
}
file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
EditorNode::get_singleton()->get_gui_base()->add_child(file);
file->connect("file_selected", callable_mp(this, &Particles2DEditorPlugin::_file_selected));
file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
file_dialog->connect("file_selected", callable_mp(this, &Particles2DEditorPlugin::_file_selected));
emission_mask = memnew(ConfirmationDialog);
emission_mask->set_title(TTR("Load Emission Mask"));
emission_mask_dialog = memnew(ConfirmationDialog);
emission_mask_dialog->set_title(TTRC("Load Emission Mask"));
emission_mask_dialog->add_child(file_dialog);
emission_mask_dialog->get_ok_button()->set_disabled(true);
VBoxContainer *emvb = memnew(VBoxContainer);
emission_mask->add_child(emvb);
emission_mask_dialog->add_child(emvb);
HBoxContainer *mask_img_hbox = memnew(HBoxContainer);
mask_img_path_line_edit = memnew(LineEdit);
mask_img_hbox->add_child(mask_img_path_line_edit);
mask_img_path_line_edit->set_h_size_flags(Control::SIZE_EXPAND_FILL);
mask_img_path_line_edit->set_editable(false);
mask_img_path_line_edit->connect(SceneStringName(text_changed), callable_mp(this, &Particles2DEditorPlugin::_validate_textures).unbind(1));
mask_browse_button = memnew(Button);
mask_img_hbox->add_child(mask_browse_button);
mask_browse_button->connect(SceneStringName(pressed), callable_mp(this, &Particles2DEditorPlugin::_browse_mask_texture_pressed));
emvb->add_margin_child(TTRC("Mask Texture"), mask_img_hbox);
emission_mask_mode = memnew(OptionButton);
emission_mask_mode->add_item(TTR("Solid Pixels"), EMISSION_MODE_SOLID);
emission_mask_mode->add_item(TTR("Border Pixels"), EMISSION_MODE_BORDER);
emission_mask_mode->add_item(TTR("Directed Border Pixels"), EMISSION_MODE_BORDER_DIRECTED);
emvb->add_margin_child(TTR("Emission Mask"), emission_mask_mode);
emission_mask_mode->add_item(TTRC("Solid Pixels"), MASK_MODE_SOLID);
emission_mask_mode->add_item(TTRC("Border Pixels"), MASK_MODE_BORDER);
emission_mask_mode->connect(SceneStringName(item_selected), callable_mp(this, &Particles2DEditorPlugin::_emission_mask_mode_item_changed));
emvb->add_margin_child(TTRC("Mask Mode"), emission_mask_mode);
emission_direction_mode = memnew(OptionButton);
emission_direction_mode->add_item(TTRC("None"), DIRECTION_MODE_NONE);
emission_direction_mode->add_item(TTRC("Generate"), DIRECTION_MODE_GENERATE);
emission_direction_mode->add_item(TTRC("Texture"), DIRECTION_MODE_TEXTURE);
emission_direction_mode->connect(SceneStringName(item_selected), callable_mp(this, &Particles2DEditorPlugin::_validate_textures).unbind(1));
emission_direction_mode->set_item_disabled(DIRECTION_MODE_GENERATE, true);
emvb->add_margin_child(TTRC("Direction Mode"), emission_direction_mode);
direction_img_label = memnew(Label);
direction_img_label->set_text(TTRC("Direction Texture"));
direction_img_label->set_theme_type_variation("HeaderSmall");
emvb->add_child(direction_img_label);
direction_img_label->hide();
direction_img_hbox = memnew(HBoxContainer);
direction_img_path_line_edit = memnew(LineEdit);
direction_img_hbox->add_child(direction_img_path_line_edit);
direction_img_path_line_edit->set_h_size_flags(Control::SIZE_EXPAND_FILL);
direction_img_path_line_edit->set_editable(false);
direction_img_path_line_edit->connect(SceneStringName(text_changed), callable_mp(this, &Particles2DEditorPlugin::_validate_textures).unbind(1));
direction_browse_button = memnew(Button);
direction_img_hbox->add_child(direction_browse_button);
direction_browse_button->connect(SceneStringName(pressed), callable_mp(this, &Particles2DEditorPlugin::_browse_direction_texture_pressed));
emvb->add_child(direction_img_hbox);
direction_img_hbox->hide();
VBoxContainer *optionsvb = memnew(VBoxContainer);
emvb->add_margin_child(TTR("Options"), optionsvb);
emvb->add_margin_child(TTRC("Options"), optionsvb);
emission_mask_centered = memnew(CheckBox(TTR("Centered")));
emission_mask_centered = memnew(CheckBox(TTRC("Centered")));
emission_mask_centered->set_pressed(true);
optionsvb->add_child(emission_mask_centered);
emission_colors = memnew(CheckBox(TTR("Capture Colors from Pixel")));
optionsvb->add_child(emission_colors);
emission_mask_colors = memnew(CheckBox(TTRC("Copy Color from Mask Texture")));
optionsvb->add_child(emission_mask_colors);
EditorNode::get_singleton()->get_gui_base()->add_child(emission_mask);
error_message = memnew(Label);
error_message->set_autowrap_mode(TextServer::AUTOWRAP_WORD_SMART);
error_message->set_h_size_flags(Control::SIZE_EXPAND_FILL);
error_message->add_theme_color_override(SceneStringName(font_color), EditorNode::get_singleton()->get_editor_theme()->get_color(SNAME("error_color"), EditorStringName(Editor)));
emvb->add_child(error_message);
emission_mask->connect(SceneStringName(confirmed), callable_mp(this, &Particles2DEditorPlugin::_generate_emission_mask));
EditorNode::get_singleton()->get_gui_base()->add_child(emission_mask_dialog);
emission_mask_dialog->connect(SceneStringName(confirmed), callable_mp(this, &Particles2DEditorPlugin::_generate_emission_mask));
emission_mask_dialog->connect(SceneStringName(theme_changed), callable_mp(this, &Particles2DEditorPlugin::_theme_changed));
}
void Particles2DEditorPlugin::_set_show_gizmos(Node *p_node, bool p_show) {
@ -245,6 +350,13 @@ void Particles2DEditorPlugin::_selection_changed() {
}
}
mask_img_path_line_edit->set_text("");
emission_mask_mode->select(MASK_MODE_SOLID);
emission_direction_mode->select(DIRECTION_MODE_NONE);
emission_mask_centered->set_pressed(true);
emission_mask_colors->set_pressed(false);
direction_img_path_line_edit->set_text("");
// Turn gizmos off for nodes that are no longer selected.
LocalVector<Node *> to_erase;
for (Node *node : selected_particles) {
@ -315,6 +427,11 @@ void Particles2DEditorPlugin::_notification(int p_what) {
}
}
void Particles2DEditorPlugin::_theme_changed() {
mask_browse_button->set_button_icon(mask_browse_button->get_editor_theme_icon(SNAME("FileBrowse")));
direction_browse_button->set_button_icon(direction_browse_button->get_editor_theme_icon(SNAME("FileBrowse")));
}
void Particles2DEditorPlugin::_menu_callback(int p_idx) {
if (p_idx == MENU_LOAD_EMISSION_MASK) {
GPUParticles2D *particles = Object::cast_to<GPUParticles2D>(edited_node);
@ -323,7 +440,7 @@ void Particles2DEditorPlugin::_menu_callback(int p_idx) {
return;
}
file->popup_file_dialog();
emission_mask_dialog->popup_centered();
} else {
ParticlesEditorPlugin::_menu_callback(p_idx);
}
@ -333,6 +450,99 @@ void Particles2DEditorPlugin::_add_menu_options(PopupMenu *p_menu) {
p_menu->add_item(TTR("Load Emission Mask"), MENU_LOAD_EMISSION_MASK);
}
void Particles2DEditorPlugin::_validate_textures() {
DirectionMode direction_mode = static_cast<DirectionMode>(emission_direction_mode->get_selected());
direction_img_label->set_visible(direction_mode == DIRECTION_MODE_TEXTURE);
direction_img_hbox->set_visible(direction_mode == DIRECTION_MODE_TEXTURE);
error_message->hide();
emission_mask_dialog->get_ok_button()->set_disabled(true);
if (mask_img_path_line_edit->get_text().is_empty()) {
emission_mask_dialog->reset_size();
return;
}
Ref<Image> mask_img;
mask_img.instantiate();
Error err = ImageLoader::load_image(mask_img_path_line_edit->get_text(), mask_img);
if (err != OK) {
error_message->show();
error_message->set_text(TTRC("Failed to load mask texture."));
emission_mask_dialog->reset_size();
return;
}
if (mask_img->is_compressed()) {
mask_img->decompress();
}
mask_img->convert(Image::FORMAT_RGBA8);
if (mask_img->get_format() != Image::FORMAT_RGBA8) {
error_message->show();
error_message->set_text(TTRC("Failed to convert mask texture to RGBA8."));
emission_mask_dialog->reset_size();
return;
}
Size2i mask_img_size = mask_img->get_size();
if (mask_img_size.width == 0 || mask_img_size.height == 0) {
error_message->show();
error_message->set_text(TTRC("Mask texture has an invalid size."));
emission_mask_dialog->reset_size();
return;
}
if (direction_mode == DIRECTION_MODE_TEXTURE) {
if (direction_img_path_line_edit->get_text().is_empty()) {
return;
}
Ref<Image> direction_img;
direction_img.instantiate();
err = ImageLoader::load_image(direction_img_path_line_edit->get_text(), direction_img);
if (err != OK) {
error_message->show();
error_message->set_text(TTRC("Failed to load direction texture."));
emission_mask_dialog->reset_size();
return;
}
if (direction_img->is_compressed()) {
direction_img->decompress();
}
direction_img->convert(Image::FORMAT_RGBA8);
if (direction_img->get_format() != Image::FORMAT_RGBA8) {
error_message->show();
error_message->set_text(TTRC("Failed to convert direction texture to RGBA8."));
emission_mask_dialog->reset_size();
return;
}
Size2i direction_img_size = direction_img->get_size();
if (direction_img_size.width == 0 || direction_img_size.height == 0 || direction_img_size != mask_img_size) {
error_message->show();
error_message->set_text(TTRC("Direction texture has an invalid size. It must have the same size as the mask texture."));
emission_mask_dialog->reset_size();
return;
}
}
emission_mask_dialog->get_ok_button()->set_disabled(false);
emission_mask_dialog->reset_size();
}
void Particles2DEditorPlugin::_emission_mask_mode_item_changed(int p_idx) const {
emission_direction_mode->set_item_disabled(DIRECTION_MODE_GENERATE, p_idx == static_cast<int>(MASK_MODE_SOLID));
if (emission_direction_mode->get_selected() == DIRECTION_MODE_GENERATE) {
emission_direction_mode->select(DIRECTION_MODE_NONE);
}
}
Node *GPUParticles2DEditorPlugin::_convert_particles() {
GPUParticles2D *particles = Object::cast_to<GPUParticles2D>(edited_node);
@ -351,84 +561,84 @@ void GPUParticles2DEditorPlugin::_generate_emission_mask() {
Ref<ParticleProcessMaterial> pm = particles->get_process_material();
ERR_FAIL_COND(pm.is_null());
PackedVector2Array valid_positions;
PackedVector2Array valid_normals;
PackedByteArray valid_colors;
Vector2i image_size;
_get_base_emission_mask(valid_positions, valid_normals, valid_colors, image_size);
PackedVector2Array emission_positions;
PackedVector2Array emission_normals;
PackedByteArray emission_colors;
Vector2i texture_size;
_process_emission_masks(emission_positions, emission_normals, emission_colors, texture_size);
ERR_FAIL_COND_MSG(valid_positions.is_empty(), "No pixels with transparency > 128 in image...");
ERR_FAIL_COND_MSG(emission_positions.is_empty(), "No pixels with transparency > 128 in image...");
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Load Emission Mask"));
ParticleProcessMaterial *pmptr = pm.ptr();
Vector<uint8_t> texdata;
Vector<uint8_t> mask_texture_data;
int vpc = valid_positions.size();
int valid_positions_count = emission_positions.size();
int w = 2048;
int h = (vpc / 2048) + 1;
int h = (valid_positions_count / 2048) + 1;
texdata.resize(w * h * 2 * sizeof(float));
mask_texture_data.resize_initialized(w * h * 2 * sizeof(float));
{
Vector2 offset;
if (emission_mask_centered->is_pressed()) {
offset = Vector2(-image_size.width * 0.5, -image_size.height * 0.5);
offset = Vector2(-texture_size.width * 0.5, -texture_size.height * 0.5);
}
uint8_t *tw = texdata.ptrw();
uint8_t *tw = mask_texture_data.ptrw();
float *twf = reinterpret_cast<float *>(tw);
for (int i = 0; i < vpc; i++) {
twf[i * 2 + 0] = valid_positions[i].x + offset.x;
twf[i * 2 + 1] = valid_positions[i].y + offset.y;
for (int i = 0; i < valid_positions_count; i++) {
twf[i * 2 + 0] = emission_positions[i].x + offset.x;
twf[i * 2 + 1] = emission_positions[i].y + offset.y;
}
}
Ref<Image> img;
img.instantiate();
img->set_data(w, h, false, Image::FORMAT_RGF, texdata);
img->set_data(w, h, false, Image::FORMAT_RGF, mask_texture_data);
undo_redo->add_do_property(pmptr, "emission_point_texture", ImageTexture::create_from_image(img));
undo_redo->add_undo_property(pmptr, "emission_point_texture", pm->get_emission_point_texture());
undo_redo->add_do_property(pmptr, "emission_point_count", vpc);
undo_redo->add_do_property(pmptr, "emission_point_count", valid_positions_count);
undo_redo->add_undo_property(pmptr, "emission_point_count", pm->get_emission_point_count());
if (emission_colors->is_pressed()) {
Vector<uint8_t> colordata;
colordata.resize(w * h * 4); //use RG texture
if (emission_mask_colors->is_pressed()) {
Vector<uint8_t> color_texture_data;
color_texture_data.resize_initialized(w * h * 4);
{
uint8_t *tw = colordata.ptrw();
for (int i = 0; i < vpc * 4; i++) {
tw[i] = valid_colors[i];
uint8_t *tw = color_texture_data.ptrw();
for (int i = 0; i < valid_positions_count * 4; i++) {
tw[i] = emission_colors[i];
}
}
img.instantiate();
img->set_data(w, h, false, Image::FORMAT_RGBA8, colordata);
img->set_data(w, h, false, Image::FORMAT_RGBA8, color_texture_data);
undo_redo->add_do_property(pmptr, "emission_color_texture", ImageTexture::create_from_image(img));
undo_redo->add_undo_property(pmptr, "emission_color_texture", pm->get_emission_color_texture());
}
if (!valid_normals.is_empty()) {
if (emission_normals.size()) {
undo_redo->add_do_property(pmptr, "emission_shape", ParticleProcessMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
undo_redo->add_undo_property(pmptr, "emission_shape", pm->get_emission_shape());
pm->set_emission_shape(ParticleProcessMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
Vector<uint8_t> normdata;
normdata.resize(w * h * 2 * sizeof(float)); //use RG texture
Vector<uint8_t> normal_texture_data;
normal_texture_data.resize_initialized(w * h * 2 * sizeof(float));
{
uint8_t *tw = normdata.ptrw();
uint8_t *tw = normal_texture_data.ptrw();
float *twf = reinterpret_cast<float *>(tw);
for (int i = 0; i < vpc; i++) {
twf[i * 2 + 0] = valid_normals[i].x;
twf[i * 2 + 1] = valid_normals[i].y;
for (int i = 0; i < valid_positions_count; i++) {
twf[i * 2 + 0] = emission_normals[i].x;
twf[i * 2 + 1] = emission_normals[i].y;
}
}
img.instantiate();
img->set_data(w, h, false, Image::FORMAT_RGF, normdata);
img->set_data(w, h, false, Image::FORMAT_RGF, normal_texture_data);
undo_redo->add_do_property(pmptr, "emission_normal_texture", ImageTexture::create_from_image(img));
undo_redo->add_undo_property(pmptr, "emission_normal_texture", pm->get_emission_normal_texture());
} else {
@ -478,19 +688,19 @@ void CPUParticles2DEditorPlugin::_generate_emission_mask() {
PackedVector2Array valid_normals;
PackedByteArray valid_colors;
Vector2i image_size;
_get_base_emission_mask(valid_positions, valid_normals, valid_colors, image_size);
_process_emission_masks(valid_positions, valid_normals, valid_colors, image_size);
ERR_FAIL_COND_MSG(valid_positions.is_empty(), "No pixels with transparency > 128 in image...");
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Load Emission Mask"));
int vpc = valid_positions.size();
if (emission_colors->is_pressed()) {
int valid_point_count = valid_positions.size();
if (emission_mask_colors->is_pressed()) {
PackedColorArray pca;
pca.resize(vpc);
pca.resize(valid_point_count);
Color *pcaw = pca.ptrw();
for (int i = 0; i < vpc; i += 1) {
for (int i = 0; i < valid_point_count; i += 1) {
Color color;
color.r = valid_colors[i * 4 + 0] / 255.0f;
color.g = valid_colors[i * 4 + 1] / 255.0f;

44
editor/scene/2d/particles_2d_editor_plugin.h
View File

@ -33,6 +33,8 @@
#include "editor/scene/particles_editor_plugin.h"
class EditorFileDialog;
class MarginContainer;
class LineEdit;
class Particles2DEditorPlugin : public ParticlesEditorPlugin {
GDCLASS(Particles2DEditorPlugin, ParticlesEditorPlugin);
@ -50,20 +52,52 @@ protected:
EMISSION_MODE_BORDER_DIRECTED
};
EditorFileDialog *file = nullptr;
ConfirmationDialog *emission_mask = nullptr;
enum MaskMode {
MASK_MODE_SOLID,
MASK_MODE_BORDER,
};
enum DirectionMode {
DIRECTION_MODE_NONE,
DIRECTION_MODE_GENERATE,
DIRECTION_MODE_TEXTURE,
};
enum TextureType {
TEXTURE_TYPE_MASK,
TEXTURE_TYPE_DIRECTION,
};
EditorFileDialog *file_dialog = nullptr;
ConfirmationDialog *emission_mask_dialog = nullptr;
OptionButton *emission_mask_mode = nullptr;
OptionButton *emission_direction_mode = nullptr;
CheckBox *emission_mask_centered = nullptr;
CheckBox *emission_colors = nullptr;
String source_emission_file;
CheckBox *emission_mask_colors = nullptr;
LineEdit *mask_img_path_line_edit = nullptr;
LineEdit *direction_img_path_line_edit = nullptr;
HBoxContainer *direction_img_hbox = nullptr;
Label *direction_img_label = nullptr;
Button *mask_browse_button = nullptr;
Button *direction_browse_button = nullptr;
Label *error_message = nullptr;
TextureType browsing_texture_type = TEXTURE_TYPE_MASK;
virtual void _menu_callback(int p_idx) override;
virtual void _add_menu_options(PopupMenu *p_menu) override;
void _validate_textures();
void _mask_img_path_line_edit_text_changed(const String &p_text);
void _direction_img_path_line_edit_text_changed(const String &p_text);
void _emission_mask_mode_item_changed(int p_idx) const;
void _emission_direction_mode_item_changed(int p_idx);
void _browse_mask_texture_pressed();
void _browse_direction_texture_pressed();
void _file_selected(const String &p_file);
void _get_base_emission_mask(PackedVector2Array &r_valid_positions, PackedVector2Array &r_valid_normals, PackedByteArray &r_valid_colors, Vector2i &r_image_size);
void _process_emission_masks(PackedVector2Array &r_valid_positions, PackedVector2Array &r_valid_normals, PackedByteArray &r_valid_colors, Vector2i &r_image_size);
virtual void _generate_emission_mask() = 0;
void _notification(int p_what);
void _theme_changed();
void _set_show_gizmos(Node *p_node, bool p_show);
void _selection_changed();
void _node_removed(Node *p_node);