mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2025-01-23 17:47:17 +01:00
Implemented image generation for PaintCurve2D.
This commit is contained in:
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cfa067fa56
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e7eb415910
@ -308,27 +308,316 @@ Ref<Image> PaintCurve2D::_get_rendered_image() {
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return Ref<Image>();
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}
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/*
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if (polygon.size() < 3) {
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if (!curve.is_valid()) {
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return Ref<Image>();
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}
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if (curve->get_point_count() < 2) {
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return Ref<Image>();
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}
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_rendered_image.instance();
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_rendered_image->create(_size.x, _size.y, false, Image::FORMAT_RGBA8);
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Vector<Vector2> points;
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Vector<Vector2> uvs;
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Vector<Color> colors;
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Vector<int> indices;
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_prepare_render_data(points, uvs, colors, indices);
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if (_outline_enabled) {
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_prepare_render_data_outline(points, uvs, colors, indices);
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if (indices.size() == 0) {
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return Ref<Image>();
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_image_render_triangles(points, uvs, colors, indices, _outline_texture);
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points.clear();
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uvs.clear();
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colors.clear();
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indices.clear();
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}
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if (_fill_enabled) {
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_prepare_render_data_fill(points, uvs, colors, indices);
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_image_render_triangles(points, uvs, colors, indices, _fill_texture);
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}
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return _rendered_image;
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}
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PoolVector2Array PaintCurve2D::generate_uvs(const Vector<Vector2> &p_points) {
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PoolVector2Array uvs;
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int len = p_points.size();
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if (len == 0) {
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return uvs;
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}
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const Vector2 *pr = p_points.ptr();
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Rect2 bounds = Rect2(pr[0], Vector2());
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for (int i = 1; i < len; i++) {
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Vector2 e = pr[i];
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bounds.expand_to(e);
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}
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uvs.resize(len);
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PoolVector2Array::Write uvr = uvs.write();
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Vector2 *uvp = uvr.ptr();
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for (int i = 0; i < len; i++) {
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Vector2 e = pr[i];
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e -= bounds.position;
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e /= bounds.size;
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uvp[i] = e;
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}
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return uvs;
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}
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PoolVector2Array PaintCurve2D::generate_uvs(const Vector<Vector2> &p_points, const Rect2 &p_uv_rect) {
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PoolVector2Array uvs;
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int len = p_points.size();
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if (len == 0) {
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return uvs;
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}
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const Vector2 *pr = p_points.ptr();
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Rect2 bounds = Rect2(pr[0], Vector2());
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for (int i = 1; i < len; i++) {
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Vector2 e = pr[i];
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bounds.expand_to(e);
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}
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uvs.resize(len);
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PoolVector2Array::Write uvr = uvs.write();
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Vector2 *uvp = uvr.ptr();
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for (int i = 0; i < len; i++) {
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Vector2 e = pr[i];
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e -= bounds.position;
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e /= bounds.size;
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e *= p_uv_rect.size;
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e += p_uv_rect.position;
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uvp[i] = e;
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}
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return uvs;
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}
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void PaintCurve2D::generate_polyline_mesh(const Vector<Point2> &p_points, float p_width, Vector<Vector2> &r_triangles, Vector<int> &r_indices) {
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Vector2 prev_t;
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if (p_points.size() < 2) {
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return;
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}
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r_triangles.resize(p_points.size() * 2);
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r_indices.resize(p_points.size() * 6);
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for (int i = 0; i < p_points.size(); i++) {
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Vector2 t;
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if (i == p_points.size() - 1) {
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t = prev_t;
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} else {
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t = (p_points[i + 1] - p_points[i]).normalized().tangent();
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if (i == 0) {
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prev_t = t;
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}
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}
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Vector2 tangent = ((t + prev_t).normalized()) * p_width * 0.5;
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r_triangles.write[i * 2 + 0] = p_points[i] + tangent;
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r_triangles.write[i * 2 + 1] = p_points[i] - tangent;
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if (i != 0) {
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int indx = (i - 1) * 2;
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int iindx = (i - 1) * 6;
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r_indices.write[iindx] = indx;
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r_indices.write[iindx + 1] = indx + 1;
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r_indices.write[iindx + 2] = indx + 3;
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r_indices.write[iindx + 3] = indx;
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r_indices.write[iindx + 4] = indx + 2;
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r_indices.write[iindx + 5] = indx + 3;
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}
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prev_t = t;
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}
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}
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void PaintCurve2D::_prepare_render_data_fill(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices) {
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if (!curve.is_valid()) {
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return;
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}
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int curve_len = curve->get_point_count();
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if (curve_len < 2) {
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return;
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}
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PoolVector2Array polygon = curve->tessellate();
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int len = polygon.size();
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r_points.resize(len);
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{
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PoolVector<Vector2>::Read polyr = polygon.read();
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for (int i = 0; i < len; i++) {
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r_points.write[i] = polyr[i];
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}
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}
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if (_fill_invert) {
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Rect2 bounds;
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int highest_idx = -1;
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float highest_y = -1e20;
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float sum = 0;
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for (int i = 0; i < len; i++) {
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if (i == 0) {
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bounds.position = r_points[i];
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} else {
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bounds.expand_to(r_points[i]);
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}
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if (r_points[i].y > highest_y) {
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highest_idx = i;
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highest_y = r_points[i].y;
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}
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int ni = (i + 1) % len;
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sum += (r_points[ni].x - r_points[i].x) * (r_points[ni].y + r_points[i].y);
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}
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bounds = bounds.grow(_fill_invert_border);
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Vector2 ep[7] = {
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Vector2(r_points[highest_idx].x, r_points[highest_idx].y + _fill_invert_border),
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Vector2(bounds.position + bounds.size),
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Vector2(bounds.position + Vector2(bounds.size.x, 0)),
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Vector2(bounds.position),
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Vector2(bounds.position + Vector2(0, bounds.size.y)),
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Vector2(r_points[highest_idx].x - CMP_EPSILON, r_points[highest_idx].y + _fill_invert_border),
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Vector2(r_points[highest_idx].x - CMP_EPSILON, r_points[highest_idx].y),
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};
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if (sum > 0) {
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SWAP(ep[1], ep[4]);
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SWAP(ep[2], ep[3]);
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SWAP(ep[5], ep[0]);
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SWAP(ep[6], r_points.write[highest_idx]);
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}
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r_points.resize(r_points.size() + 7);
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for (int i = r_points.size() - 1; i >= highest_idx + 7; i--) {
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r_points.write[i] = r_points[i - 7];
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}
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for (int i = 0; i < 7; i++) {
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r_points.write[highest_idx + i + 1] = ep[i];
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}
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len = r_points.size();
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}
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if (_fill_texture.is_valid()) {
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Transform2D texmat(_fill_tex_rot, _fill_tex_ofs);
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texmat.scale(_fill_tex_scale);
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//Size2 tex_size = _fill_texture->get_size();
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PoolVector2Array uv = generate_uvs(r_points);
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r_uvs.resize(len);
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PoolVector<Vector2>::Read uvr = uv.read();
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for (int i = 0; i < len; i++) {
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r_uvs.write[i] = texmat.xform(uvr[i]);
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}
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}
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r_colors.push_back(_fill_color);
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r_indices = Geometry::triangulate_polygon(r_points);
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}
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void PaintCurve2D::_prepare_render_data_outline(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices) {
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if (!curve.is_valid()) {
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return;
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}
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if (_outline_width <= 0) {
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return;
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}
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int curve_len = curve->get_point_count();
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if (curve_len < 2) {
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return;
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}
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PoolVector2Array polygon = curve->tessellate();
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int len = polygon.size();
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Vector<Vector2> curve_points;
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curve_points.resize(len);
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{
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PoolVector<Vector2>::Read polyr = polygon.read();
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for (int i = 0; i < len; i++) {
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curve_points.write[i] = polyr[i];
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}
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}
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generate_polyline_mesh(curve_points, _outline_width, r_points, r_indices);
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len = r_points.size();
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if (_outline_texture.is_valid()) {
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Transform2D texmat(_outline_tex_rot, _outline_tex_ofs);
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texmat.scale(_outline_tex_scale);
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//Size2 tex_size = _outline_texture->get_size();
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PoolVector2Array uv = generate_uvs(r_points);
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r_uvs.resize(len);
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PoolVector<Vector2>::Read uvr = uv.read();
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for (int i = 0; i < len; i++) {
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r_uvs.write[i] = texmat.xform(uvr[i]);
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}
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}
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r_colors.push_back(_outline_color);
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}
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void PaintCurve2D::_image_render_triangles(const Vector<Vector2> &p_points, const Vector<Vector2> &p_uvs, const Vector<Color> &p_colors, const Vector<int> &p_indices, const Ref<Texture> &p_texture) {
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if (p_indices.size() == 0) {
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return;
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}
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Ref<Image> texture_image;
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Vector2 texture_image_size;
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if (uvs.size() > 0 && texture.is_valid()) {
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texture_image = texture->get_data();
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if (p_uvs.size() > 0 && p_texture.is_valid()) {
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texture_image = p_texture->get_data();
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}
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bool use_uvs = texture_image.is_valid();
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@ -337,9 +626,6 @@ Ref<Image> PaintCurve2D::_get_rendered_image() {
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texture_image_size = texture_image->get_size();
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}
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_rendered_image.instance();
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_rendered_image->create(_size.x, _size.y, false, Image::FORMAT_RGBA8);
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_rendered_image->lock();
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if (use_uvs) {
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@ -350,29 +636,31 @@ Ref<Image> PaintCurve2D::_get_rendered_image() {
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Vector2 cuvs[3];
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Color ccolors[3];
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if (colors.size() == 1) {
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if (p_colors.size() == 1) {
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for (int j = 0; j < 3; ++j) {
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ccolors[j] = colors[0];
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ccolors[j] = p_colors[0];
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}
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}
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//Note: Don't worry about the Node's Transform here, that will get applied automatically in the caller
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for (int index = 0; index < indices.size(); index += 3) {
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for (int index = 0; index < p_indices.size(); index += 3) {
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// Rasterize triangle
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// Based on https://www.youtube.com/watch?v=PahbNFypubE
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for (int i = 0; i < 3; ++i) {
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int cind = indices[index + i];
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int cind = p_indices[index + i];
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cpoints[i] = points[cind].round();
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ERR_FAIL_INDEX(cind, p_points.size());
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if (colors.size() > 1) {
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ccolors[i] = colors[cind];
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cpoints[i] = p_points[cind].round();
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if (p_colors.size() > 1) {
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ccolors[i] = p_colors[cind];
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}
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if (use_uvs) {
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cuvs[i] = uvs[cind];
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cuvs[i] = p_uvs[cind];
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}
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}
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@ -535,268 +823,6 @@ Ref<Image> PaintCurve2D::_get_rendered_image() {
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}
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_rendered_image->unlock();
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*/
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return _rendered_image;
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}
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PoolVector2Array PaintCurve2D::generate_uvs(const Vector<Vector2> &p_points) {
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PoolVector2Array uvs;
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int len = p_points.size();
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if (len == 0) {
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return uvs;
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}
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const Vector2 *pr = p_points.ptr();
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Rect2 bounds = Rect2(pr[0], Vector2());
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for (int i = 1; i < len; i++) {
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Vector2 e = pr[i];
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bounds.expand_to(e);
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}
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uvs.resize(len);
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PoolVector2Array::Write uvr = uvs.write();
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Vector2 *uvp = uvr.ptr();
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for (int i = 0; i < len; i++) {
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Vector2 e = pr[i];
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e -= bounds.position;
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e /= bounds.size;
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uvp[i] = e;
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}
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return uvs;
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}
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PoolVector2Array PaintCurve2D::generate_uvs(const Vector<Vector2> &p_points, const Rect2 &p_uv_rect) {
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PoolVector2Array uvs;
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int len = p_points.size();
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if (len == 0) {
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return uvs;
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}
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const Vector2 *pr = p_points.ptr();
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Rect2 bounds = Rect2(pr[0], Vector2());
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for (int i = 1; i < len; i++) {
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Vector2 e = pr[i];
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bounds.expand_to(e);
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}
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uvs.resize(len);
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PoolVector2Array::Write uvr = uvs.write();
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Vector2 *uvp = uvr.ptr();
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for (int i = 0; i < len; i++) {
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Vector2 e = pr[i];
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e -= bounds.position;
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e /= bounds.size;
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e *= p_uv_rect.size;
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e += p_uv_rect.position;
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uvp[i] = e;
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}
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return uvs;
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}
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void PaintCurve2D::generate_polyline_mesh(const Vector<Point2> &p_points, float p_width, Vector<Vector2> &r_triangles, Vector<int> &r_indices) {
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Vector2 prev_t;
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r_triangles.resize(p_points.size() * 2);
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r_indices.resize(p_points.size() * 6);
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for (int i = 0; i < p_points.size(); i++) {
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Vector2 t;
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if (i == p_points.size() - 1) {
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t = prev_t;
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} else {
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t = (p_points[i + 1] - p_points[i]).normalized().tangent();
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if (i == 0) {
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prev_t = t;
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}
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}
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Vector2 tangent = ((t + prev_t).normalized()) * p_width * 0.5;
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r_triangles.write[i * 2 + 0] = p_points[i] + tangent;
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r_triangles.write[i * 2 + 1] = p_points[i] - tangent;
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if (i != 0) {
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int indx = (i - 1) * 2;
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int iindx = (i - 1) * 6;
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r_indices.write[iindx] = indx;
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r_indices.write[iindx + 1] = indx + 1;
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r_indices.write[iindx + 2] = indx + 3;
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r_indices.write[iindx + 3] = indx + 0;
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r_indices.write[iindx + 4] = indx + 2;
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r_indices.write[iindx + 5] = indx + 3;
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}
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prev_t = t;
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}
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}
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void PaintCurve2D::_prepare_render_data_fill(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices) {
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if (!curve.is_valid()) {
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return;
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}
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int curve_len = curve->get_point_count();
|
||||
|
||||
if (curve_len < 2) {
|
||||
return;
|
||||
}
|
||||
|
||||
PoolVector2Array polygon = curve->tessellate();
|
||||
int len = polygon.size();
|
||||
|
||||
r_points.resize(len);
|
||||
|
||||
{
|
||||
PoolVector<Vector2>::Read polyr = polygon.read();
|
||||
for (int i = 0; i < len; i++) {
|
||||
r_points.write[i] = polyr[i];
|
||||
}
|
||||
}
|
||||
|
||||
if (_fill_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 = r_points[i];
|
||||
} else {
|
||||
bounds.expand_to(r_points[i]);
|
||||
}
|
||||
if (r_points[i].y > highest_y) {
|
||||
highest_idx = i;
|
||||
highest_y = r_points[i].y;
|
||||
}
|
||||
int ni = (i + 1) % len;
|
||||
sum += (r_points[ni].x - r_points[i].x) * (r_points[ni].y + r_points[i].y);
|
||||
}
|
||||
|
||||
bounds = bounds.grow(_fill_invert_border);
|
||||
|
||||
Vector2 ep[7] = {
|
||||
Vector2(r_points[highest_idx].x, r_points[highest_idx].y + _fill_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(r_points[highest_idx].x - CMP_EPSILON, r_points[highest_idx].y + _fill_invert_border),
|
||||
Vector2(r_points[highest_idx].x - CMP_EPSILON, r_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], r_points.write[highest_idx]);
|
||||
}
|
||||
|
||||
r_points.resize(r_points.size() + 7);
|
||||
for (int i = r_points.size() - 1; i >= highest_idx + 7; i--) {
|
||||
r_points.write[i] = r_points[i - 7];
|
||||
}
|
||||
|
||||
for (int i = 0; i < 7; i++) {
|
||||
r_points.write[highest_idx + i + 1] = ep[i];
|
||||
}
|
||||
|
||||
len = r_points.size();
|
||||
}
|
||||
|
||||
if (_fill_texture.is_valid()) {
|
||||
Transform2D texmat(_fill_tex_rot, _fill_tex_ofs);
|
||||
texmat.scale(_fill_tex_scale);
|
||||
//Size2 tex_size = _fill_texture->get_size();
|
||||
|
||||
PoolVector2Array uv = generate_uvs(r_points);
|
||||
|
||||
r_uvs.resize(len);
|
||||
|
||||
PoolVector<Vector2>::Read uvr = uv.read();
|
||||
|
||||
for (int i = 0; i < len; i++) {
|
||||
r_uvs.write[i] = texmat.xform(uvr[i]);
|
||||
}
|
||||
}
|
||||
|
||||
r_colors.push_back(_fill_color);
|
||||
|
||||
r_indices = Geometry::triangulate_polygon(r_points);
|
||||
}
|
||||
|
||||
void PaintCurve2D::_prepare_render_data_outline(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices) {
|
||||
if (!curve.is_valid()) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (_outline_width <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
int curve_len = curve->get_point_count();
|
||||
|
||||
if (curve_len < 2) {
|
||||
return;
|
||||
}
|
||||
|
||||
PoolVector2Array polygon = curve->tessellate();
|
||||
int len = polygon.size();
|
||||
|
||||
Vector<Vector2> curve_points;
|
||||
curve_points.resize(len);
|
||||
|
||||
{
|
||||
PoolVector<Vector2>::Read polyr = polygon.read();
|
||||
for (int i = 0; i < len; i++) {
|
||||
curve_points.write[i] = polyr[i];
|
||||
}
|
||||
}
|
||||
|
||||
generate_polyline_mesh(curve_points, _outline_width, r_points, r_indices);
|
||||
|
||||
len = r_points.size();
|
||||
|
||||
if (_outline_texture.is_valid()) {
|
||||
Transform2D texmat(_outline_tex_rot, _outline_tex_ofs);
|
||||
texmat.scale(_outline_tex_scale);
|
||||
//Size2 tex_size = _outline_texture->get_size();
|
||||
|
||||
PoolVector2Array uv = generate_uvs(r_points);
|
||||
|
||||
r_uvs.resize(len);
|
||||
|
||||
PoolVector<Vector2>::Read uvr = uv.read();
|
||||
|
||||
for (int i = 0; i < len; i++) {
|
||||
r_uvs.write[i] = texmat.xform(uvr[i]);
|
||||
}
|
||||
}
|
||||
|
||||
r_colors.push_back(_outline_color);
|
||||
}
|
||||
|
||||
void PaintCurve2D::_bind_methods() {
|
||||
|
||||
@ -113,6 +113,8 @@ protected:
|
||||
void _prepare_render_data_fill(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices);
|
||||
void _prepare_render_data_outline(Vector<Vector2> &r_points, Vector<Vector2> &r_uvs, Vector<Color> &r_colors, Vector<int> &r_indices);
|
||||
|
||||
void _image_render_triangles(const Vector<Vector2> &p_points, const Vector<Vector2> &p_uvs, const Vector<Color> &p_colors, const Vector<int> &p_indices, const Ref<Texture> &p_texture);
|
||||
|
||||
void _notification(int p_what);
|
||||
static void _bind_methods();
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user