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Add line breaking support to the TextMesh.

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bruvzg 2022-08-10 14:33:05 +03:00
parent 11abffbf12
commit 8384815365
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GPG key ID: 7960FCF39844EC38
3 changed files with 368 additions and 189 deletions
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12
doc/classes/TextMesh.xml
View file

@ -11,6 +11,9 @@
<tutorials>
</tutorials>
<members>
<member name="autowrap_mode" type="int" setter="set_autowrap_mode" getter="get_autowrap_mode" enum="TextServer.AutowrapMode" default="0">
If set to something other than [constant TextServer.AUTOWRAP_OFF], the text gets wrapped inside the node's bounding rectangle. If you resize the node, it will change its height automatically to show all the text. To see how each mode behaves, see [enum TextServer.AutowrapMode].
</member>
<member name="curve_step" type="float" setter="set_curve_step" getter="get_curve_step" default="0.5">
Step (in pixels) used to approximate Bézier curves.
</member>
@ -29,6 +32,12 @@
<member name="language" type="String" setter="set_language" getter="get_language" default="&quot;&quot;">
Language code used for text shaping algorithms, if left empty current locale is used instead.
</member>
<member name="line_spacing" type="float" setter="set_line_spacing" getter="get_line_spacing" default="0.0">
Vertical space between lines in multiline [TextMesh].
</member>
<member name="offset" type="Vector2" setter="set_offset" getter="get_offset" default="Vector2(0, 0)">
The text drawing offset (in pixels).
</member>
<member name="pixel_size" type="float" setter="set_pixel_size" getter="get_pixel_size" default="0.01">
The size of one pixel's width on the text to scale it in 3D.
</member>
@ -47,6 +56,9 @@
<member name="uppercase" type="bool" setter="set_uppercase" getter="is_uppercase" default="false">
If [code]true[/code], all the text displays as UPPERCASE.
</member>
<member name="vertical_alignment" type="int" setter="set_vertical_alignment" getter="get_vertical_alignment" enum="VerticalAlignment" default="1">
Controls the text's vertical alignment. Supports top, center, bottom. Set it to one of the [enum VerticalAlignment] constants.
</member>
<member name="width" type="float" setter="set_width" getter="get_width" default="500.0">
Text width (in pixels), used for fill alignment.
</member>

525
scene/resources/primitive_meshes.cpp
View file

@ -2519,9 +2519,7 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
dirty_text = false;
dirty_font = false;
if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL) {
TS->shaped_text_fit_to_width(text_rid, width, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA);
}
dirty_lines = true;
} else if (dirty_font) {
int spans = TS->shaped_get_span_count(text_rid);
for (int i = 0; i < spans; i++) {
@ -2532,73 +2530,63 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
}
dirty_font = false;
dirty_lines = true;
}
if (dirty_lines) {
for (int i = 0; i < lines_rid.size(); i++) {
TS->free_rid(lines_rid[i]);
}
lines_rid.clear();
BitField<TextServer::LineBreakFlag> autowrap_flags = TextServer::BREAK_MANDATORY;
switch (autowrap_mode) {
case TextServer::AUTOWRAP_WORD_SMART:
autowrap_flags = TextServer::BREAK_WORD_BOUND | TextServer::BREAK_ADAPTIVE | TextServer::BREAK_MANDATORY;
break;
case TextServer::AUTOWRAP_WORD:
autowrap_flags = TextServer::BREAK_WORD_BOUND | TextServer::BREAK_MANDATORY;
break;
case TextServer::AUTOWRAP_ARBITRARY:
autowrap_flags = TextServer::BREAK_GRAPHEME_BOUND | TextServer::BREAK_MANDATORY;
break;
case TextServer::AUTOWRAP_OFF:
break;
}
PackedInt32Array line_breaks = TS->shaped_text_get_line_breaks(text_rid, width, 0, autowrap_flags);
float max_line_w = 0.0;
for (int i = 0; i < line_breaks.size(); i = i + 2) {
RID line = TS->shaped_text_substr(text_rid, line_breaks[i], line_breaks[i + 1] - line_breaks[i]);
max_line_w = MAX(max_line_w, TS->shaped_text_get_width(line));
lines_rid.push_back(line);
}
if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL) {
TS->shaped_text_fit_to_width(text_rid, width, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA);
for (int i = 0; i < lines_rid.size() - 1; i++) {
TS->shaped_text_fit_to_width(lines_rid[i], (width > 0) ? width : max_line_w, TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA);
}
}
dirty_lines = false;
}
Vector2 offset;
const Glyph *glyphs = TS->shaped_text_get_glyphs(text_rid);
int gl_size = TS->shaped_text_get_glyph_count(text_rid);
float line_width = TS->shaped_text_get_width(text_rid) * pixel_size;
switch (horizontal_alignment) {
case HORIZONTAL_ALIGNMENT_LEFT:
offset.x = 0.0;
break;
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_CENTER: {
offset.x = -line_width / 2.0;
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
offset.x = -line_width;
} break;
float total_h = 0.0;
for (int i = 0; i < lines_rid.size(); i++) {
total_h += (TS->shaped_text_get_size(lines_rid[i]).y + line_spacing) * pixel_size;
}
bool has_depth = !Math::is_zero_approx(depth);
// Generate glyph data, precalculate size of the arrays and mesh bounds for UV.
int64_t p_size = 0;
int64_t i_size = 0;
Vector2 min_p = Vector2(INFINITY, INFINITY);
Vector2 max_p = Vector2(-INFINITY, -INFINITY);
Vector2 offset_pre = offset;
for (int i = 0; i < gl_size; i++) {
if (glyphs[i].index == 0) {
offset.x += glyphs[i].advance * pixel_size * glyphs[i].repeat;
continue;
}
if (glyphs[i].font_rid != RID()) {
GlyphMeshKey key = GlyphMeshKey(glyphs[i].font_rid.get_id(), glyphs[i].index);
_generate_glyph_mesh_data(key, glyphs[i]);
GlyphMeshData &gl_data = cache[key];
p_size += glyphs[i].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
i_size += glyphs[i].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
if (has_depth) {
for (int j = 0; j < gl_data.contours.size(); j++) {
p_size += glyphs[i].repeat * gl_data.contours[j].size() * 4;
i_size += glyphs[i].repeat * gl_data.contours[j].size() * 6;
}
}
for (int j = 0; j < glyphs[i].repeat; j++) {
min_p.x = MIN(gl_data.min_p.x + offset_pre.x, min_p.x);
min_p.y = MIN(gl_data.min_p.y + offset_pre.y, min_p.y);
max_p.x = MAX(gl_data.max_p.x + offset_pre.x, max_p.x);
max_p.y = MAX(gl_data.max_p.y + offset_pre.y, max_p.y);
offset_pre.x += glyphs[i].advance * pixel_size;
}
} else {
p_size += glyphs[i].repeat * 4;
i_size += glyphs[i].repeat * 6;
offset_pre.x += glyphs[i].advance * pixel_size * glyphs[i].repeat;
}
float vbegin = 0.0;
switch (vertical_alignment) {
case VERTICAL_ALIGNMENT_FILL:
case VERTICAL_ALIGNMENT_TOP: {
// Nothing.
} break;
case VERTICAL_ALIGNMENT_CENTER: {
vbegin = (total_h - line_spacing * pixel_size) / 2.0;
} break;
case VERTICAL_ALIGNMENT_BOTTOM: {
vbegin = (total_h - line_spacing * pixel_size);
} break;
}
Vector<Vector3> vertices;
@ -2607,6 +2595,73 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
Vector<Vector2> uvs;
Vector<int32_t> indices;
Vector2 min_p = Vector2(INFINITY, INFINITY);
Vector2 max_p = Vector2(-INFINITY, -INFINITY);
int32_t p_size = 0;
int32_t i_size = 0;
Vector2 offset = Vector2(0, vbegin + lbl_offset.y * pixel_size);
for (int i = 0; i < lines_rid.size(); i++) {
const Glyph *glyphs = TS->shaped_text_get_glyphs(lines_rid[i]);
int gl_size = TS->shaped_text_get_glyph_count(lines_rid[i]);
float line_width = TS->shaped_text_get_width(lines_rid[i]) * pixel_size;
switch (horizontal_alignment) {
case HORIZONTAL_ALIGNMENT_LEFT:
offset.x = 0.0;
break;
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_CENTER: {
offset.x = -line_width / 2.0;
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
offset.x = -line_width;
} break;
}
offset.x += lbl_offset.x * pixel_size;
offset.y -= TS->shaped_text_get_ascent(lines_rid[i]) * pixel_size;
bool has_depth = !Math::is_zero_approx(depth);
for (int j = 0; j < gl_size; j++) {
if (glyphs[j].index == 0) {
offset.x += glyphs[j].advance * pixel_size * glyphs[j].repeat;
continue;
}
if (glyphs[j].font_rid != RID()) {
GlyphMeshKey key = GlyphMeshKey(glyphs[j].font_rid.get_id(), glyphs[j].index);
_generate_glyph_mesh_data(key, glyphs[j]);
GlyphMeshData &gl_data = cache[key];
p_size += glyphs[j].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
i_size += glyphs[j].repeat * gl_data.triangles.size() * ((has_depth) ? 2 : 1);
if (has_depth) {
for (int k = 0; k < gl_data.contours.size(); k++) {
p_size += glyphs[j].repeat * gl_data.contours[k].size() * 4;
i_size += glyphs[j].repeat * gl_data.contours[k].size() * 6;
}
}
for (int r = 0; r < glyphs[j].repeat; r++) {
min_p.x = MIN(gl_data.min_p.x + offset.x, min_p.x);
min_p.y = MIN(gl_data.min_p.y - offset.y, min_p.y);
max_p.x = MAX(gl_data.max_p.x + offset.x, max_p.x);
max_p.y = MAX(gl_data.max_p.y - offset.y, max_p.y);
offset.x += glyphs[j].advance * pixel_size;
}
} else {
p_size += glyphs[j].repeat * 4;
i_size += glyphs[j].repeat * 6;
offset.x += glyphs[j].advance * pixel_size * glyphs[j].repeat;
}
}
offset.y -= (TS->shaped_text_get_descent(lines_rid[i]) + line_spacing) * pixel_size;
}
vertices.resize(p_size);
normals.resize(p_size);
uvs.resize(p_size);
@ -2622,149 +2677,176 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
// Generate mesh.
int32_t p_idx = 0;
int32_t i_idx = 0;
for (int i = 0; i < gl_size; i++) {
if (glyphs[i].index == 0) {
offset.x += glyphs[i].advance * pixel_size * glyphs[i].repeat;
continue;
offset = Vector2(0, vbegin + lbl_offset.y * pixel_size);
for (int i = 0; i < lines_rid.size(); i++) {
const Glyph *glyphs = TS->shaped_text_get_glyphs(lines_rid[i]);
int gl_size = TS->shaped_text_get_glyph_count(lines_rid[i]);
float line_width = TS->shaped_text_get_width(lines_rid[i]) * pixel_size;
switch (horizontal_alignment) {
case HORIZONTAL_ALIGNMENT_LEFT:
offset.x = 0.0;
break;
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_CENTER: {
offset.x = -line_width / 2.0;
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
offset.x = -line_width;
} break;
}
if (glyphs[i].font_rid != RID()) {
GlyphMeshKey key = GlyphMeshKey(glyphs[i].font_rid.get_id(), glyphs[i].index);
_generate_glyph_mesh_data(key, glyphs[i]);
const GlyphMeshData &gl_data = cache[key];
offset.x += lbl_offset.x * pixel_size;
offset.y -= TS->shaped_text_get_ascent(lines_rid[i]) * pixel_size;
int64_t ts = gl_data.triangles.size();
const Vector2 *ts_ptr = gl_data.triangles.ptr();
bool has_depth = !Math::is_zero_approx(depth);
for (int j = 0; j < glyphs[i].repeat; j++) {
for (int k = 0; k < ts; k += 3) {
// Add front face.
for (int l = 0; l < 3; l++) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, depth / 2.0);
vertices_ptr[p_idx] = point;
normals_ptr[p_idx] = Vector3(0.0, 0.0, 1.0);
if (has_depth) {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.0), real_t(0.4)));
} else {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.0), real_t(1.0)));
}
tangents_ptr[p_idx * 4 + 0] = 1.0;
tangents_ptr[p_idx * 4 + 1] = 0.0;
tangents_ptr[p_idx * 4 + 2] = 0.0;
tangents_ptr[p_idx * 4 + 3] = 1.0;
indices_ptr[i_idx++] = p_idx;
p_idx++;
}
if (has_depth) {
// Add back face.
for (int l = 2; l >= 0; l--) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, -depth / 2.0);
// Generate glyph data, precalculate size of the arrays and mesh bounds for UV.
for (int j = 0; j < gl_size; j++) {
if (glyphs[j].index == 0) {
offset.x += glyphs[j].advance * pixel_size * glyphs[j].repeat;
continue;
}
if (glyphs[j].font_rid != RID()) {
GlyphMeshKey key = GlyphMeshKey(glyphs[j].font_rid.get_id(), glyphs[j].index);
_generate_glyph_mesh_data(key, glyphs[j]);
const GlyphMeshData &gl_data = cache[key];
int64_t ts = gl_data.triangles.size();
const Vector2 *ts_ptr = gl_data.triangles.ptr();
for (int r = 0; r < glyphs[j].repeat; r++) {
for (int k = 0; k < ts; k += 3) {
// Add front face.
for (int l = 0; l < 3; l++) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, depth / 2.0);
vertices_ptr[p_idx] = point;
normals_ptr[p_idx] = Vector3(0.0, 0.0, -1.0);
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -min_p.y, -max_p.y, real_t(0.4), real_t(0.8)));
tangents_ptr[p_idx * 4 + 0] = -1.0;
normals_ptr[p_idx] = Vector3(0.0, 0.0, 1.0);
if (has_depth) {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -max_p.y, -min_p.y, real_t(0.4), real_t(0.0)));
} else {
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -max_p.y, -min_p.y, real_t(1.0), real_t(0.0)));
}
tangents_ptr[p_idx * 4 + 0] = 1.0;
tangents_ptr[p_idx * 4 + 1] = 0.0;
tangents_ptr[p_idx * 4 + 2] = 0.0;
tangents_ptr[p_idx * 4 + 3] = 1.0;
indices_ptr[i_idx++] = p_idx;
p_idx++;
}
}
}
// Add sides.
if (has_depth) {
for (int k = 0; k < gl_data.contours.size(); k++) {
int64_t ps = gl_data.contours[k].size();
const ContourPoint *ps_ptr = gl_data.contours[k].ptr();
const ContourInfo &ps_info = gl_data.contours_info[k];
real_t length = 0.0;
for (int l = 0; l < ps; l++) {
int prev = (l == 0) ? (ps - 1) : (l - 1);
int next = (l + 1 == ps) ? 0 : (l + 1);
Vector2 d1;
Vector2 d2 = (ps_ptr[next].point - ps_ptr[l].point).normalized();
if (ps_ptr[l].sharp) {
d1 = d2;
} else {
d1 = (ps_ptr[l].point - ps_ptr[prev].point).normalized();
if (has_depth) {
// Add back face.
for (int l = 2; l >= 0; l--) {
Vector3 point = Vector3(ts_ptr[k + l].x + offset.x, -ts_ptr[k + l].y + offset.y, -depth / 2.0);
vertices_ptr[p_idx] = point;
normals_ptr[p_idx] = Vector3(0.0, 0.0, -1.0);
uvs_ptr[p_idx] = Vector2(Math::range_lerp(point.x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(point.y, -max_p.y, -min_p.y, real_t(0.8), real_t(0.4)));
tangents_ptr[p_idx * 4 + 0] = -1.0;
tangents_ptr[p_idx * 4 + 1] = 0.0;
tangents_ptr[p_idx * 4 + 2] = 0.0;
tangents_ptr[p_idx * 4 + 3] = 1.0;
indices_ptr[i_idx++] = p_idx;
p_idx++;
}
real_t seg_len = (ps_ptr[next].point - ps_ptr[l].point).length();
Vector3 quad_faces[4] = {
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, depth / 2.0),
};
for (int m = 0; m < 4; m++) {
const Vector2 &d = ((m % 2) == 0) ? d1 : d2;
real_t u_pos = ((m % 2) == 0) ? length : length + seg_len;
vertices_ptr[p_idx + m] = quad_faces[m];
normals_ptr[p_idx + m] = Vector3(d.y, d.x, 0.0);
if (m < 2) {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.8 : 0.9);
} else {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.9 : 1.0);
}
tangents_ptr[(p_idx + m) * 4 + 0] = d.x;
tangents_ptr[(p_idx + m) * 4 + 1] = -d.y;
tangents_ptr[(p_idx + m) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + m) * 4 + 3] = 1.0;
}
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 3;
indices_ptr[i_idx++] = p_idx + 2;
length += seg_len;
p_idx += 4;
}
}
}
offset.x += glyphs[i].advance * pixel_size;
}
} else {
// Add fallback quad for missing glyphs.
for (int j = 0; j < glyphs[i].repeat; j++) {
Size2 sz = TS->get_hex_code_box_size(glyphs[i].font_size, glyphs[i].index) * pixel_size;
Vector3 quad_faces[4] = {
Vector3(offset.x, offset.y, 0.0),
Vector3(offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, offset.y, 0.0),
};
for (int k = 0; k < 4; k++) {
vertices_ptr[p_idx + k] = quad_faces[k];
normals_ptr[p_idx + k] = Vector3(0.0, 0.0, 1.0);
// Add sides.
if (has_depth) {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -min_p.y, -max_p.y, real_t(0.0), real_t(0.4)));
} else {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -min_p.y, -max_p.y, real_t(0.0), real_t(1.0)));
for (int k = 0; k < gl_data.contours.size(); k++) {
int64_t ps = gl_data.contours[k].size();
const ContourPoint *ps_ptr = gl_data.contours[k].ptr();
const ContourInfo &ps_info = gl_data.contours_info[k];
real_t length = 0.0;
for (int l = 0; l < ps; l++) {
int prev = (l == 0) ? (ps - 1) : (l - 1);
int next = (l + 1 == ps) ? 0 : (l + 1);
Vector2 d1;
Vector2 d2 = (ps_ptr[next].point - ps_ptr[l].point).normalized();
if (ps_ptr[l].sharp) {
d1 = d2;
} else {
d1 = (ps_ptr[l].point - ps_ptr[prev].point).normalized();
}
real_t seg_len = (ps_ptr[next].point - ps_ptr[l].point).length();
Vector3 quad_faces[4] = {
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, -depth / 2.0),
Vector3(ps_ptr[l].point.x + offset.x, -ps_ptr[l].point.y + offset.y, depth / 2.0),
Vector3(ps_ptr[next].point.x + offset.x, -ps_ptr[next].point.y + offset.y, depth / 2.0),
};
for (int m = 0; m < 4; m++) {
const Vector2 &d = ((m % 2) == 0) ? d1 : d2;
real_t u_pos = ((m % 2) == 0) ? length : length + seg_len;
vertices_ptr[p_idx + m] = quad_faces[m];
normals_ptr[p_idx + m] = Vector3(d.y, d.x, 0.0);
if (m < 2) {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.8 : 0.9);
} else {
uvs_ptr[p_idx + m] = Vector2(Math::range_lerp(u_pos, 0, ps_info.length, real_t(0.0), real_t(1.0)), (ps_info.ccw) ? 0.9 : 1.0);
}
tangents_ptr[(p_idx + m) * 4 + 0] = d.x;
tangents_ptr[(p_idx + m) * 4 + 1] = -d.y;
tangents_ptr[(p_idx + m) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + m) * 4 + 3] = 1.0;
}
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 3;
indices_ptr[i_idx++] = p_idx + 2;
length += seg_len;
p_idx += 4;
}
}
}
tangents_ptr[(p_idx + k) * 4 + 0] = 1.0;
tangents_ptr[(p_idx + k) * 4 + 1] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 3] = 1.0;
offset.x += glyphs[j].advance * pixel_size;
}
} else {
// Add fallback quad for missing glyphs.
for (int r = 0; r < glyphs[j].repeat; r++) {
Size2 sz = TS->get_hex_code_box_size(glyphs[j].font_size, glyphs[j].index) * pixel_size;
Vector3 quad_faces[4] = {
Vector3(offset.x, offset.y, 0.0),
Vector3(offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, sz.y + offset.y, 0.0),
Vector3(sz.x + offset.x, offset.y, 0.0),
};
for (int k = 0; k < 4; k++) {
vertices_ptr[p_idx + k] = quad_faces[k];
normals_ptr[p_idx + k] = Vector3(0.0, 0.0, 1.0);
if (has_depth) {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -max_p.y, -min_p.y, real_t(0.4), real_t(0.0)));
} else {
uvs_ptr[p_idx + k] = Vector2(Math::range_lerp(quad_faces[k].x, min_p.x, max_p.x, real_t(0.0), real_t(1.0)), Math::range_lerp(quad_faces[k].y, -max_p.y, -min_p.y, real_t(1.0), real_t(0.0)));
}
tangents_ptr[(p_idx + k) * 4 + 0] = 1.0;
tangents_ptr[(p_idx + k) * 4 + 1] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 2] = 0.0;
tangents_ptr[(p_idx + k) * 4 + 3] = 1.0;
}
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx;
indices_ptr[i_idx++] = p_idx + 1;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 0;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 3;
p_idx += 4;
indices_ptr[i_idx++] = p_idx + 0;
indices_ptr[i_idx++] = p_idx + 2;
indices_ptr[i_idx++] = p_idx + 3;
p_idx += 4;
offset.x += glyphs[i].advance * pixel_size;
offset.x += glyphs[j].advance * pixel_size;
}
}
}
offset.y -= (TS->shaped_text_get_descent(lines_rid[i]) + line_spacing) * pixel_size;
}
if (p_size == 0) {
if (indices.is_empty()) {
// If empty, add single triangle to suppress errors.
vertices.push_back(Vector3());
normals.push_back(Vector3());
@ -2789,6 +2871,9 @@ void TextMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &TextMesh::set_horizontal_alignment);
ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &TextMesh::get_horizontal_alignment);
ClassDB::bind_method(D_METHOD("set_vertical_alignment", "alignment"), &TextMesh::set_vertical_alignment);
ClassDB::bind_method(D_METHOD("get_vertical_alignment"), &TextMesh::get_vertical_alignment);
ClassDB::bind_method(D_METHOD("set_text", "text"), &TextMesh::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &TextMesh::get_text);
@ -2798,6 +2883,12 @@ void TextMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_font_size", "font_size"), &TextMesh::set_font_size);
ClassDB::bind_method(D_METHOD("get_font_size"), &TextMesh::get_font_size);
ClassDB::bind_method(D_METHOD("set_line_spacing", "line_spacing"), &TextMesh::set_line_spacing);
ClassDB::bind_method(D_METHOD("get_line_spacing"), &TextMesh::get_line_spacing);
ClassDB::bind_method(D_METHOD("set_autowrap_mode", "autowrap_mode"), &TextMesh::set_autowrap_mode);
ClassDB::bind_method(D_METHOD("get_autowrap_mode"), &TextMesh::get_autowrap_mode);
ClassDB::bind_method(D_METHOD("set_depth", "depth"), &TextMesh::set_depth);
ClassDB::bind_method(D_METHOD("get_depth"), &TextMesh::get_depth);
@ -2807,6 +2898,9 @@ void TextMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_pixel_size", "pixel_size"), &TextMesh::set_pixel_size);
ClassDB::bind_method(D_METHOD("get_pixel_size"), &TextMesh::get_pixel_size);
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &TextMesh::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &TextMesh::get_offset);
ClassDB::bind_method(D_METHOD("set_curve_step", "curve_step"), &TextMesh::set_curve_step);
ClassDB::bind_method(D_METHOD("get_curve_step"), &TextMesh::get_curve_step);
@ -2829,17 +2923,21 @@ void TextMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("_request_update"), &TextMesh::_request_update);
ADD_GROUP("Text", "");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT, ""), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "font", PROPERTY_HINT_RESOURCE_TYPE, "Font"), "set_font", "get_font");
ADD_PROPERTY(PropertyInfo(Variant::INT, "font_size", PROPERTY_HINT_RANGE, "1,256,1,or_greater,suffix:px"), "set_font_size", "get_font_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "horizontal_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment");
ADD_PROPERTY(PropertyInfo(Variant::INT, "vertical_alignment", PROPERTY_HINT_ENUM, "Top,Center,Bottom"), "set_vertical_alignment", "get_vertical_alignment");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "line_spacing", PROPERTY_HINT_NONE, "suffix:px"), "set_line_spacing", "get_line_spacing");
ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode");
ADD_GROUP("Mesh", "");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pixel_size", PROPERTY_HINT_RANGE, "0.0001,128,0.0001,suffix:m"), "set_pixel_size", "get_pixel_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "curve_step", PROPERTY_HINT_RANGE, "0.1,10,0.1,suffix:px"), "set_curve_step", "get_curve_step");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "depth", PROPERTY_HINT_RANGE, "0.0,100.0,0.001,or_greater,suffix:m"), "set_depth", "get_depth");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "width", PROPERTY_HINT_NONE, "suffix:m"), "set_width", "get_width");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset", PROPERTY_HINT_NONE, "suffix:px"), "set_offset", "get_offset");
ADD_GROUP("BiDi", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left"), "set_text_direction", "get_text_direction");
@ -2868,6 +2966,11 @@ TextMesh::TextMesh() {
}
TextMesh::~TextMesh() {
for (int i = 0; i < lines_rid.size(); i++) {
TS->free_rid(lines_rid[i]);
}
lines_rid.clear();
TS->free_rid(text_rid);
}
@ -2875,7 +2978,7 @@ void TextMesh::set_horizontal_alignment(HorizontalAlignment p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (horizontal_alignment != p_alignment) {
if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL || p_alignment == HORIZONTAL_ALIGNMENT_FILL) {
dirty_text = true;
dirty_lines = true;
}
horizontal_alignment = p_alignment;
_request_update();
@ -2886,6 +2989,18 @@ HorizontalAlignment TextMesh::get_horizontal_alignment() const {
return horizontal_alignment;
}
void TextMesh::set_vertical_alignment(VerticalAlignment p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (vertical_alignment != p_alignment) {
vertical_alignment = p_alignment;
_request_update();
}
}
VerticalAlignment TextMesh::get_vertical_alignment() const {
return vertical_alignment;
}
void TextMesh::set_text(const String &p_string) {
if (text != p_string) {
text = p_string;
@ -2970,6 +3085,29 @@ int TextMesh::get_font_size() const {
return font_size;
}
void TextMesh::set_line_spacing(float p_line_spacing) {
if (line_spacing != p_line_spacing) {
line_spacing = p_line_spacing;
_request_update();
}
}
float TextMesh::get_line_spacing() const {
return line_spacing;
}
void TextMesh::set_autowrap_mode(TextServer::AutowrapMode p_mode) {
if (autowrap_mode != p_mode) {
autowrap_mode = p_mode;
dirty_lines = true;
_request_update();
}
}
TextServer::AutowrapMode TextMesh::get_autowrap_mode() const {
return autowrap_mode;
}
void TextMesh::set_depth(real_t p_depth) {
if (depth != p_depth) {
depth = MAX(p_depth, 0.0);
@ -2984,9 +3122,7 @@ real_t TextMesh::get_depth() const {
void TextMesh::set_width(real_t p_width) {
if (width != p_width) {
width = p_width;
if (horizontal_alignment == HORIZONTAL_ALIGNMENT_FILL) {
dirty_text = true;
}
dirty_lines = true;
_request_update();
}
}
@ -3007,6 +3143,17 @@ real_t TextMesh::get_pixel_size() const {
return pixel_size;
}
void TextMesh::set_offset(const Point2 &p_offset) {
if (lbl_offset != p_offset) {
lbl_offset = p_offset;
_request_update();
}
}
Point2 TextMesh::get_offset() const {
return lbl_offset;
}
void TextMesh::set_curve_step(real_t p_step) {
if (curve_step != p_step) {
curve_step = CLAMP(p_step, 0.1, 10.0);

20
scene/resources/primitive_meshes.h
View file

@ -548,14 +548,21 @@ private:
mutable HashMap<GlyphMeshKey, GlyphMeshData, GlyphMeshKeyHasher> cache;
RID text_rid;
mutable Vector<RID> lines_rid;
String text;
String xl_text;
int font_size = 16;
Ref<Font> font_override;
TextServer::AutowrapMode autowrap_mode = TextServer::AUTOWRAP_OFF;
float width = 500.0;
float line_spacing = 0.f;
Point2 lbl_offset;
HorizontalAlignment horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER;
VerticalAlignment vertical_alignment = VERTICAL_ALIGNMENT_CENTER;
bool uppercase = false;
String language;
TextServer::Direction text_direction = TextServer::DIRECTION_AUTO;
@ -566,6 +573,7 @@ private:
real_t pixel_size = 0.01;
real_t curve_step = 0.5;
mutable bool dirty_lines = true;
mutable bool dirty_text = true;
mutable bool dirty_font = true;
mutable bool dirty_cache = true;
@ -588,6 +596,9 @@ public:
void set_horizontal_alignment(HorizontalAlignment p_alignment);
HorizontalAlignment get_horizontal_alignment() const;
void set_vertical_alignment(VerticalAlignment p_alignment);
VerticalAlignment get_vertical_alignment() const;
void set_text(const String &p_string);
String get_text() const;
@ -598,6 +609,12 @@ public:
void set_font_size(int p_size);
int get_font_size() const;
void set_line_spacing(float p_size);
float get_line_spacing() const;
void set_autowrap_mode(TextServer::AutowrapMode p_mode);
TextServer::AutowrapMode get_autowrap_mode() const;
void set_text_direction(TextServer::Direction p_text_direction);
TextServer::Direction get_text_direction() const;
@ -624,6 +641,9 @@ public:
void set_pixel_size(real_t p_amount);
real_t get_pixel_size() const;
void set_offset(const Point2 &p_offset);
Point2 get_offset() const;
};
VARIANT_ENUM_CAST(RibbonTrailMesh::Shape)