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- /*************************************************************************/
- /* polygon_2d.cpp */
- /*************************************************************************/
- /* This file is part of: */
- /* GODOT ENGINE */
- /* https://godotengine.org */
- /*************************************************************************/
- /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
- /* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
- /* */
- /* 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 "polygon_2d.h"
- Rect2 Polygon2D::get_item_rect() const {
- if (rect_cache_dirty) {
- int l = polygon.size();
- PoolVector<Vector2>::Read r = polygon.read();
- item_rect = Rect2();
- for (int i = 0; i < l; i++) {
- Vector2 pos = r[i] + offset;
- if (i == 0)
- item_rect.position = pos;
- else
- item_rect.expand_to(pos);
- }
- item_rect = item_rect.grow(20);
- rect_cache_dirty = false;
- }
- return item_rect;
- }
- void Polygon2D::edit_set_pivot(const Point2 &p_pivot) {
- set_offset(p_pivot);
- }
- Point2 Polygon2D::edit_get_pivot() const {
- return get_offset();
- }
- bool Polygon2D::edit_has_pivot() const {
- return true;
- }
- void Polygon2D::_notification(int p_what) {
- switch (p_what) {
- case NOTIFICATION_DRAW: {
- if (polygon.size() < 3)
- return;
- Vector<Vector2> points;
- Vector<Vector2> uvs;
- points.resize(polygon.size());
- int len = points.size();
- {
- PoolVector<Vector2>::Read polyr = polygon.read();
- for (int i = 0; i < len; i++) {
- points[i] = polyr[i] + offset;
- }
- }
- if (invert) {
- Rect2 bounds;
- int highest_idx = -1;
- float highest_y = -1e20;
- float sum = 0;
- for (int i = 0; i < len; i++) {
- if (i == 0)
- bounds.position = points[i];
- else
- bounds.expand_to(points[i]);
- if (points[i].y > highest_y) {
- highest_idx = i;
- highest_y = points[i].y;
- }
- int ni = (i + 1) % len;
- sum += (points[ni].x - points[i].x) * (points[ni].y + points[i].y);
- }
- bounds = bounds.grow(invert_border);
- Vector2 ep[7] = {
- Vector2(points[highest_idx].x, points[highest_idx].y + invert_border),
- Vector2(bounds.position + bounds.size),
- Vector2(bounds.position + Vector2(bounds.size.x, 0)),
- Vector2(bounds.position),
- Vector2(bounds.position + Vector2(0, bounds.size.y)),
- Vector2(points[highest_idx].x - CMP_EPSILON, points[highest_idx].y + invert_border),
- Vector2(points[highest_idx].x - CMP_EPSILON, points[highest_idx].y),
- };
- if (sum > 0) {
- SWAP(ep[1], ep[4]);
- SWAP(ep[2], ep[3]);
- SWAP(ep[5], ep[0]);
- SWAP(ep[6], points[highest_idx]);
- }
- points.resize(points.size() + 7);
- for (int i = points.size() - 1; i >= highest_idx + 7; i--) {
- points[i] = points[i - 7];
- }
- for (int i = 0; i < 7; i++) {
- points[highest_idx + i + 1] = ep[i];
- }
- len = points.size();
- }
- if (texture.is_valid()) {
- Transform2D texmat(tex_rot, tex_ofs);
- texmat.scale(tex_scale);
- Size2 tex_size = texture->get_size();
- uvs.resize(points.size());
- if (points.size() == uv.size()) {
- PoolVector<Vector2>::Read uvr = uv.read();
- for (int i = 0; i < len; i++) {
- uvs[i] = texmat.xform(uvr[i]) / tex_size;
- }
- } else {
- for (int i = 0; i < len; i++) {
- uvs[i] = texmat.xform(points[i]) / tex_size;
- }
- }
- }
- Vector<Color> colors;
- int color_len = vertex_colors.size();
- colors.resize(len);
- {
- PoolVector<Color>::Read color_r = vertex_colors.read();
- for (int i = 0; i < color_len && i < len; i++) {
- colors[i] = color_r[i];
- }
- for (int i = color_len; i < len; i++) {
- colors[i] = color;
- }
- }
- // Vector<int> indices = Geometry::triangulate_polygon(points);
- // VS::get_singleton()->canvas_item_add_triangle_array(get_canvas_item(), indices, points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID());
- VS::get_singleton()->canvas_item_add_polygon(get_canvas_item(), points, colors, uvs, texture.is_valid() ? texture->get_rid() : RID(), RID(), antialiased);
- } break;
- }
- }
- void Polygon2D::set_polygon(const PoolVector<Vector2> &p_polygon) {
- polygon = p_polygon;
- rect_cache_dirty = true;
- update();
- }
- PoolVector<Vector2> Polygon2D::get_polygon() const {
- return polygon;
- }
- void Polygon2D::set_uv(const PoolVector<Vector2> &p_uv) {
- uv = p_uv;
- update();
- }
- PoolVector<Vector2> Polygon2D::get_uv() const {
- return uv;
- }
- void Polygon2D::set_color(const Color &p_color) {
- color = p_color;
- update();
- }
- Color Polygon2D::get_color() const {
- return color;
- }
- void Polygon2D::set_vertex_colors(const PoolVector<Color> &p_colors) {
- vertex_colors = p_colors;
- update();
- }
- PoolVector<Color> Polygon2D::get_vertex_colors() const {
- return vertex_colors;
- }
- void Polygon2D::set_texture(const Ref<Texture> &p_texture) {
- texture = p_texture;
- /*if (texture.is_valid()) {
- uint32_t flags=texture->get_flags();
- flags&=~Texture::FLAG_REPEAT;
- if (tex_tile)
- flags|=Texture::FLAG_REPEAT;
- texture->set_flags(flags);
- }*/
- update();
- }
- Ref<Texture> Polygon2D::get_texture() const {
- return texture;
- }
- void Polygon2D::set_texture_offset(const Vector2 &p_offset) {
- tex_ofs = p_offset;
- update();
- }
- Vector2 Polygon2D::get_texture_offset() const {
- return tex_ofs;
- }
- void Polygon2D::set_texture_rotation(float p_rot) {
- tex_rot = p_rot;
- update();
- }
- float Polygon2D::get_texture_rotation() const {
- return tex_rot;
- }
- void Polygon2D::_set_texture_rotationd(float p_rot) {
- set_texture_rotation(Math::deg2rad(p_rot));
- }
- float Polygon2D::_get_texture_rotationd() const {
- return Math::rad2deg(get_texture_rotation());
- }
- void Polygon2D::set_texture_scale(const Size2 &p_scale) {
- tex_scale = p_scale;
- update();
- }
- Size2 Polygon2D::get_texture_scale() const {
- return tex_scale;
- }
- void Polygon2D::set_invert(bool p_invert) {
- invert = p_invert;
- update();
- }
- bool Polygon2D::get_invert() const {
- return invert;
- }
- void Polygon2D::set_antialiased(bool p_antialiased) {
- antialiased = p_antialiased;
- update();
- }
- bool Polygon2D::get_antialiased() const {
- return antialiased;
- }
- void Polygon2D::set_invert_border(float p_invert_border) {
- invert_border = p_invert_border;
- update();
- }
- float Polygon2D::get_invert_border() const {
- return invert_border;
- }
- void Polygon2D::set_offset(const Vector2 &p_offset) {
- offset = p_offset;
- rect_cache_dirty = true;
- update();
- }
- Vector2 Polygon2D::get_offset() const {
- return offset;
- }
- void Polygon2D::_bind_methods() {
- ClassDB::bind_method(D_METHOD("set_polygon", "polygon"), &Polygon2D::set_polygon);
- ClassDB::bind_method(D_METHOD("get_polygon"), &Polygon2D::get_polygon);
- ClassDB::bind_method(D_METHOD("set_uv", "uv"), &Polygon2D::set_uv);
- ClassDB::bind_method(D_METHOD("get_uv"), &Polygon2D::get_uv);
- ClassDB::bind_method(D_METHOD("set_color", "color"), &Polygon2D::set_color);
- ClassDB::bind_method(D_METHOD("get_color"), &Polygon2D::get_color);
- ClassDB::bind_method(D_METHOD("set_vertex_colors", "vertex_colors"), &Polygon2D::set_vertex_colors);
- ClassDB::bind_method(D_METHOD("get_vertex_colors"), &Polygon2D::get_vertex_colors);
- ClassDB::bind_method(D_METHOD("set_texture", "texture"), &Polygon2D::set_texture);
- ClassDB::bind_method(D_METHOD("get_texture"), &Polygon2D::get_texture);
- ClassDB::bind_method(D_METHOD("set_texture_offset", "texture_offset"), &Polygon2D::set_texture_offset);
- ClassDB::bind_method(D_METHOD("get_texture_offset"), &Polygon2D::get_texture_offset);
- ClassDB::bind_method(D_METHOD("set_texture_rotation", "texture_rotation"), &Polygon2D::set_texture_rotation);
- ClassDB::bind_method(D_METHOD("get_texture_rotation"), &Polygon2D::get_texture_rotation);
- ClassDB::bind_method(D_METHOD("_set_texture_rotationd", "texture_rotation"), &Polygon2D::_set_texture_rotationd);
- ClassDB::bind_method(D_METHOD("_get_texture_rotationd"), &Polygon2D::_get_texture_rotationd);
- ClassDB::bind_method(D_METHOD("set_texture_scale", "texture_scale"), &Polygon2D::set_texture_scale);
- ClassDB::bind_method(D_METHOD("get_texture_scale"), &Polygon2D::get_texture_scale);
- ClassDB::bind_method(D_METHOD("set_invert", "invert"), &Polygon2D::set_invert);
- ClassDB::bind_method(D_METHOD("get_invert"), &Polygon2D::get_invert);
- ClassDB::bind_method(D_METHOD("set_antialiased", "antialiased"), &Polygon2D::set_antialiased);
- ClassDB::bind_method(D_METHOD("get_antialiased"), &Polygon2D::get_antialiased);
- ClassDB::bind_method(D_METHOD("set_invert_border", "invert_border"), &Polygon2D::set_invert_border);
- ClassDB::bind_method(D_METHOD("get_invert_border"), &Polygon2D::get_invert_border);
- ClassDB::bind_method(D_METHOD("set_offset", "offset"), &Polygon2D::set_offset);
- ClassDB::bind_method(D_METHOD("get_offset"), &Polygon2D::get_offset);
- ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "polygon"), "set_polygon", "get_polygon");
- ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "uv"), "set_uv", "get_uv");
- ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color");
- ADD_PROPERTY(PropertyInfo(Variant::POOL_COLOR_ARRAY, "vertex_colors"), "set_vertex_colors", "get_vertex_colors");
- ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "antialiased"), "set_antialiased", "get_antialiased");
- ADD_GROUP("Texture", "");
- ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
- ADD_GROUP("Texture", "texture_");
- ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "texture_offset"), "set_texture_offset", "get_texture_offset");
- ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "texture_scale"), "set_texture_scale", "get_texture_scale");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "texture_rotation", PROPERTY_HINT_RANGE, "-1440,1440,0.1"), "_set_texture_rotationd", "_get_texture_rotationd");
- ADD_GROUP("Invert", "invert_");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "invert_enable"), "set_invert", "get_invert");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "invert_border", PROPERTY_HINT_RANGE, "0.1,16384,0.1"), "set_invert_border", "get_invert_border");
- }
- Polygon2D::Polygon2D() {
- invert = 0;
- invert_border = 100;
- antialiased = false;
- tex_rot = 0;
- tex_tile = true;
- tex_scale = Vector2(1, 1);
- color = Color(1, 1, 1);
- rect_cache_dirty = true;
- }
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