mirror of
https://github.com/Relintai/pandemonium_engine.git
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201 lines
7.3 KiB
C++
201 lines
7.3 KiB
C++
/*************************************************************************/
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/* curve.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 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.h"
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#include "../../algos/mm_algos.h"
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#include "../../editor/mm_graph_node.h"
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#include "../mm_material.h"
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Ref<MMNodeUniversalProperty> MMCurve::get_image() {
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return image;
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}
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void MMCurve::set_image(const Ref<MMNodeUniversalProperty> &val) {
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image = val;
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}
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Ref<MMNodeUniversalProperty> MMCurve::get_input() {
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return input;
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}
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void MMCurve::set_input(const Ref<MMNodeUniversalProperty> &val) {
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input = val;
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}
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Vector2 MMCurve::get_a() {
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return a;
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}
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void MMCurve::set_a(const Vector2 &val) {
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a = val;
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set_dirty(true);
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}
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Vector2 MMCurve::get_b() {
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return b;
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}
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void MMCurve::set_b(const Vector2 &val) {
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b = val;
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set_dirty(true);
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}
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Vector2 MMCurve::get_c() {
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return c;
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}
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void MMCurve::set_c(const Vector2 &val) {
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c = val;
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set_dirty(true);
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}
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float MMCurve::get_width() const {
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return width;
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}
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void MMCurve::set_width(const float val) {
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width = val;
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set_dirty(true);
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}
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int MMCurve::get_repeat() const {
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return repeat;
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}
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void MMCurve::set_repeat(const int val) {
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repeat = val;
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set_dirty(true);
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}
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void MMCurve::_init_properties() {
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if (!image.is_valid()) {
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image.instance();
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image->set_default_type(MMNodeUniversalProperty::DEFAULT_TYPE_IMAGE);
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}
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image->set_output_slot_type(MMNodeUniversalProperty::SLOT_TYPE_IMAGE);
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if (!input.is_valid()) {
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input.instance();
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input->set_default_type(MMNodeUniversalProperty::DEFAULT_TYPE_FLOAT);
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input->set_default_value(1.0);
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}
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input->set_input_slot_type(MMNodeUniversalProperty::SLOT_TYPE_UNIVERSAL);
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input->set_slot_name(">>> Input ");
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register_input_property(input);
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register_output_property(image);
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}
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void MMCurve::_register_methods(MMGraphNode *mm_graph_node) {
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mm_graph_node->add_slot_texture_universal(image);
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mm_graph_node->add_slot_label_universal(input);
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mm_graph_node->add_slot_vector2("get_a", "set_a", "A", 0.01);
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mm_graph_node->add_slot_vector2("get_b", "set_b", "B", 0.01);
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mm_graph_node->add_slot_vector2("get_c", "set_c", "C", 0.01);
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mm_graph_node->add_slot_float("get_width", "set_width", "Width", 0.01);
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mm_graph_node->add_slot_int("get_repeat", "set_repeat", "Repeat");
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}
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Color MMCurve::_get_value_for(const Vector2 &uv, const int pseed) {
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Vector2 nuv = transform_uv(uv);
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float f = 0;
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if (nuv.x != 0 && nuv.y != 0) {
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f = input->get_value(nuv);
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}
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return Color(f, f, f, 1);
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}
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void MMCurve::_render(const Ref<MMMaterial> &material) {
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Ref<Image> img = render_image(material);
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image->set_value(img);
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}
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Vector2 MMCurve::transform_uv(const Vector2 &uv) {
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//vec2 $(name_uv)_bezier = sdBezier($uv, vec2($ax+0.5, $ay+0.5), vec2($bx+0.5, $by+0.5), vec2($cx+0.5, $cy+0.5));
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Vector2 bezier = MMAlgos::sdBezier(uv, Vector2(a.x + 0.5, a.y + 0.5), Vector2(b.x + 0.5, b.y + 0.5), Vector2(c.x + 0.5, c.y + 0.5));
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//vec2 $(name_uv)_uv = vec2($(name_uv)_bezier.x, $(name_uv)_bezier.y / $width+0.5);
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Vector2 new_uv = Vector2(bezier.x, bezier.y / width + 0.5);
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//vec2 $(name_uv)_uvtest = step(vec2(0.5), abs($(name_uv)_uv-vec2(0.5)));
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Vector2 uv_test = MMAlgos::stepv2(Vector2(0.5, 0.5), MMAlgos::absv2(new_uv - Vector2(0.5, 0.5)));
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//$(name_uv)_uv = mix(vec2(fract($repeat*$(name_uv)_uv.x), $(name_uv)_uv.y), vec2(0.0), max($(name_uv)_uvtest.x, $(name_uv)_uvtest.y));
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Vector2 final_uv = Vector2(MMAlgos::fract(repeat * new_uv.x), new_uv.y).linear_interpolate(Vector2(), MAX(uv_test.x, uv_test.y));
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return final_uv;
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}
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MMCurve::MMCurve() {
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a = Vector2(-0.35, -0.2);
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b = Vector2(0, 0.5);
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c = Vector2(0.35, -0.2);
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width = 0.05;
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repeat = 1;
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}
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MMCurve::~MMCurve() {
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}
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void MMCurve::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_image"), &MMCurve::get_image);
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ClassDB::bind_method(D_METHOD("set_image", "value"), &MMCurve::set_image);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "image", PROPERTY_HINT_RESOURCE_TYPE, "MMNodeUniversalProperty"), "set_image", "get_image");
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ClassDB::bind_method(D_METHOD("get_input"), &MMCurve::get_input);
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ClassDB::bind_method(D_METHOD("set_input", "value"), &MMCurve::set_input);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "input", PROPERTY_HINT_RESOURCE_TYPE, "MMNodeUniversalProperty"), "set_input", "get_input");
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ClassDB::bind_method(D_METHOD("get_a"), &MMCurve::get_a);
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ClassDB::bind_method(D_METHOD("set_a", "value"), &MMCurve::set_a);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "a"), "set_a", "get_a");
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ClassDB::bind_method(D_METHOD("get_b"), &MMCurve::get_b);
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ClassDB::bind_method(D_METHOD("set_b", "value"), &MMCurve::set_b);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "b"), "set_b", "get_b");
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ClassDB::bind_method(D_METHOD("get_c"), &MMCurve::get_c);
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ClassDB::bind_method(D_METHOD("set_c", "value"), &MMCurve::set_c);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "c"), "set_c", "get_c");
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ClassDB::bind_method(D_METHOD("get_width"), &MMCurve::get_width);
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ClassDB::bind_method(D_METHOD("set_width", "value"), &MMCurve::set_width);
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "width"), "set_width", "get_width");
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ClassDB::bind_method(D_METHOD("get_repeat"), &MMCurve::get_repeat);
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ClassDB::bind_method(D_METHOD("set_repeat", "value"), &MMCurve::set_repeat);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "repeat"), "set_repeat", "get_repeat");
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ClassDB::bind_method(D_METHOD("transform_uv", "uv"), &MMCurve::transform_uv);
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}
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