mirror of
https://github.com/godotengine/godot
synced 2024-09-04 21:18:26 +00:00
371 lines
11 KiB
C++
371 lines
11 KiB
C++
/**************************************************************************/
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/* curve_texture.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "curve_texture.h"
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void CurveTexture::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_width", "width"), &CurveTexture::set_width);
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ClassDB::bind_method(D_METHOD("set_curve", "curve"), &CurveTexture::set_curve);
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ClassDB::bind_method(D_METHOD("get_curve"), &CurveTexture::get_curve);
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ClassDB::bind_method(D_METHOD("set_texture_mode", "texture_mode"), &CurveTexture::set_texture_mode);
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ClassDB::bind_method(D_METHOD("get_texture_mode"), &CurveTexture::get_texture_mode);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "width", PROPERTY_HINT_RANGE, "1,4096,suffix:px"), "set_width", "get_width");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_mode", PROPERTY_HINT_ENUM, "RGB,Red"), "set_texture_mode", "get_texture_mode");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve");
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BIND_ENUM_CONSTANT(TEXTURE_MODE_RGB);
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BIND_ENUM_CONSTANT(TEXTURE_MODE_RED);
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}
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void CurveTexture::set_width(int p_width) {
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ERR_FAIL_COND(p_width < 32 || p_width > 4096);
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if (_width == p_width) {
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return;
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}
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_width = p_width;
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_update();
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}
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int CurveTexture::get_width() const {
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return _width;
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}
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void CurveTexture::ensure_default_setup(float p_min, float p_max) {
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if (_curve.is_null()) {
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Ref<Curve> curve = Ref<Curve>(memnew(Curve));
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curve->add_point(Vector2(0, 1));
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curve->add_point(Vector2(1, 1));
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curve->set_min_value(p_min);
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curve->set_max_value(p_max);
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set_curve(curve);
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// Min and max is 0..1 by default
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}
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}
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void CurveTexture::set_curve(Ref<Curve> p_curve) {
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if (_curve != p_curve) {
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if (_curve.is_valid()) {
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_curve->disconnect_changed(callable_mp(this, &CurveTexture::_update));
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}
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_curve = p_curve;
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if (_curve.is_valid()) {
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_curve->connect_changed(callable_mp(this, &CurveTexture::_update));
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}
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_update();
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}
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}
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void CurveTexture::_update() {
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Vector<uint8_t> data;
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data.resize(_width * sizeof(float) * (texture_mode == TEXTURE_MODE_RGB ? 3 : 1));
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// The array is locked in that scope
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{
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uint8_t *wd8 = data.ptrw();
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float *wd = (float *)wd8;
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if (_curve.is_valid()) {
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Curve &curve = **_curve;
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for (int i = 0; i < _width; ++i) {
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float t = i / static_cast<float>(_width);
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if (texture_mode == TEXTURE_MODE_RGB) {
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wd[i * 3 + 0] = curve.sample_baked(t);
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wd[i * 3 + 1] = wd[i * 3 + 0];
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wd[i * 3 + 2] = wd[i * 3 + 0];
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} else {
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wd[i] = curve.sample_baked(t);
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}
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}
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} else {
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for (int i = 0; i < _width; ++i) {
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if (texture_mode == TEXTURE_MODE_RGB) {
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wd[i * 3 + 0] = 0;
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wd[i * 3 + 1] = 0;
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wd[i * 3 + 2] = 0;
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} else {
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wd[i] = 0;
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}
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}
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}
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}
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Ref<Image> image = memnew(Image(_width, 1, false, texture_mode == TEXTURE_MODE_RGB ? Image::FORMAT_RGBF : Image::FORMAT_RF, data));
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if (_texture.is_valid()) {
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if (_current_texture_mode != texture_mode || _current_width != _width) {
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RID new_texture = RS::get_singleton()->texture_2d_create(image);
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RS::get_singleton()->texture_replace(_texture, new_texture);
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} else {
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RS::get_singleton()->texture_2d_update(_texture, image);
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}
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} else {
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_texture = RS::get_singleton()->texture_2d_create(image);
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}
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_current_texture_mode = texture_mode;
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_current_width = _width;
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emit_changed();
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}
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Ref<Curve> CurveTexture::get_curve() const {
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return _curve;
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}
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void CurveTexture::set_texture_mode(TextureMode p_mode) {
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ERR_FAIL_COND(p_mode < TEXTURE_MODE_RGB || p_mode > TEXTURE_MODE_RED);
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if (texture_mode == p_mode) {
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return;
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}
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texture_mode = p_mode;
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_update();
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}
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CurveTexture::TextureMode CurveTexture::get_texture_mode() const {
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return texture_mode;
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}
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RID CurveTexture::get_rid() const {
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if (!_texture.is_valid()) {
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_texture = RS::get_singleton()->texture_2d_placeholder_create();
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}
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return _texture;
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}
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CurveTexture::CurveTexture() {}
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CurveTexture::~CurveTexture() {
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if (_texture.is_valid()) {
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ERR_FAIL_NULL(RenderingServer::get_singleton());
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RS::get_singleton()->free(_texture);
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}
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}
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//////////////////
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void CurveXYZTexture::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_width", "width"), &CurveXYZTexture::set_width);
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ClassDB::bind_method(D_METHOD("set_curve_x", "curve"), &CurveXYZTexture::set_curve_x);
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ClassDB::bind_method(D_METHOD("get_curve_x"), &CurveXYZTexture::get_curve_x);
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ClassDB::bind_method(D_METHOD("set_curve_y", "curve"), &CurveXYZTexture::set_curve_y);
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ClassDB::bind_method(D_METHOD("get_curve_y"), &CurveXYZTexture::get_curve_y);
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ClassDB::bind_method(D_METHOD("set_curve_z", "curve"), &CurveXYZTexture::set_curve_z);
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ClassDB::bind_method(D_METHOD("get_curve_z"), &CurveXYZTexture::get_curve_z);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "width", PROPERTY_HINT_RANGE, "1,4096,suffix:px"), "set_width", "get_width");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve_x", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve_x", "get_curve_x");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve_y", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve_y", "get_curve_y");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve_z", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve_z", "get_curve_z");
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}
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void CurveXYZTexture::set_width(int p_width) {
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ERR_FAIL_COND(p_width < 32 || p_width > 4096);
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if (_width == p_width) {
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return;
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}
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_width = p_width;
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_update();
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}
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int CurveXYZTexture::get_width() const {
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return _width;
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}
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void CurveXYZTexture::ensure_default_setup(float p_min, float p_max) {
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if (_curve_x.is_null()) {
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Ref<Curve> curve = Ref<Curve>(memnew(Curve));
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curve->add_point(Vector2(0, 1));
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curve->add_point(Vector2(1, 1));
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curve->set_min_value(p_min);
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curve->set_max_value(p_max);
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set_curve_x(curve);
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}
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if (_curve_y.is_null()) {
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Ref<Curve> curve = Ref<Curve>(memnew(Curve));
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curve->add_point(Vector2(0, 1));
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curve->add_point(Vector2(1, 1));
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curve->set_min_value(p_min);
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curve->set_max_value(p_max);
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set_curve_y(curve);
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}
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if (_curve_z.is_null()) {
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Ref<Curve> curve = Ref<Curve>(memnew(Curve));
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curve->add_point(Vector2(0, 1));
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curve->add_point(Vector2(1, 1));
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curve->set_min_value(p_min);
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curve->set_max_value(p_max);
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set_curve_z(curve);
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}
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}
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void CurveXYZTexture::set_curve_x(Ref<Curve> p_curve) {
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if (_curve_x != p_curve) {
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if (_curve_x.is_valid()) {
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_curve_x->disconnect_changed(callable_mp(this, &CurveXYZTexture::_update));
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}
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_curve_x = p_curve;
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if (_curve_x.is_valid()) {
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_curve_x->connect_changed(callable_mp(this, &CurveXYZTexture::_update), CONNECT_REFERENCE_COUNTED);
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}
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_update();
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}
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}
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void CurveXYZTexture::set_curve_y(Ref<Curve> p_curve) {
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if (_curve_y != p_curve) {
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if (_curve_y.is_valid()) {
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_curve_y->disconnect_changed(callable_mp(this, &CurveXYZTexture::_update));
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}
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_curve_y = p_curve;
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if (_curve_y.is_valid()) {
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_curve_y->connect_changed(callable_mp(this, &CurveXYZTexture::_update), CONNECT_REFERENCE_COUNTED);
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}
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_update();
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}
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}
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void CurveXYZTexture::set_curve_z(Ref<Curve> p_curve) {
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if (_curve_z != p_curve) {
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if (_curve_z.is_valid()) {
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_curve_z->disconnect_changed(callable_mp(this, &CurveXYZTexture::_update));
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}
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_curve_z = p_curve;
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if (_curve_z.is_valid()) {
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_curve_z->connect_changed(callable_mp(this, &CurveXYZTexture::_update), CONNECT_REFERENCE_COUNTED);
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}
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_update();
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}
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}
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void CurveXYZTexture::_update() {
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Vector<uint8_t> data;
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data.resize(_width * sizeof(float) * 3);
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// The array is locked in that scope
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{
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uint8_t *wd8 = data.ptrw();
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float *wd = (float *)wd8;
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if (_curve_x.is_valid()) {
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Curve &curve_x = **_curve_x;
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for (int i = 0; i < _width; ++i) {
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float t = i / static_cast<float>(_width);
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wd[i * 3 + 0] = curve_x.sample_baked(t);
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}
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} else {
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for (int i = 0; i < _width; ++i) {
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wd[i * 3 + 0] = 0;
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}
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}
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if (_curve_y.is_valid()) {
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Curve &curve_y = **_curve_y;
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for (int i = 0; i < _width; ++i) {
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float t = i / static_cast<float>(_width);
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wd[i * 3 + 1] = curve_y.sample_baked(t);
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}
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} else {
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for (int i = 0; i < _width; ++i) {
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wd[i * 3 + 1] = 0;
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}
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}
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if (_curve_z.is_valid()) {
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Curve &curve_z = **_curve_z;
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for (int i = 0; i < _width; ++i) {
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float t = i / static_cast<float>(_width);
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wd[i * 3 + 2] = curve_z.sample_baked(t);
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}
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} else {
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for (int i = 0; i < _width; ++i) {
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wd[i * 3 + 2] = 0;
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}
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}
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}
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Ref<Image> image = memnew(Image(_width, 1, false, Image::FORMAT_RGBF, data));
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if (_texture.is_valid()) {
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if (_current_width != _width) {
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RID new_texture = RS::get_singleton()->texture_2d_create(image);
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RS::get_singleton()->texture_replace(_texture, new_texture);
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} else {
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RS::get_singleton()->texture_2d_update(_texture, image);
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}
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} else {
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_texture = RS::get_singleton()->texture_2d_create(image);
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}
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_current_width = _width;
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emit_changed();
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}
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Ref<Curve> CurveXYZTexture::get_curve_x() const {
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return _curve_x;
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}
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Ref<Curve> CurveXYZTexture::get_curve_y() const {
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return _curve_y;
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}
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Ref<Curve> CurveXYZTexture::get_curve_z() const {
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return _curve_z;
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}
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RID CurveXYZTexture::get_rid() const {
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if (!_texture.is_valid()) {
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_texture = RS::get_singleton()->texture_2d_placeholder_create();
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}
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return _texture;
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}
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CurveXYZTexture::CurveXYZTexture() {}
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CurveXYZTexture::~CurveXYZTexture() {
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if (_texture.is_valid()) {
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ERR_FAIL_NULL(RenderingServer::get_singleton());
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RS::get_singleton()->free(_texture);
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}
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}
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