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Add ability to scale HUD text (#9814)

Add 'size' property to HUD text elements that is used for relative font size calculations.
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LoneWolfHT committed May 19, 2020
1 parent 0fc51db commit 7d3972a5049324f776ab008894c34569641f0073
Showing with 9 additions and 2 deletions.
  1. +2 −0 doc/lua_api.txt
  2. +7 −2 src/client/hud.cpp
@@ -1356,6 +1356,8 @@ Displays text on the HUD.
text. Specify `0xFFFFFF` for white text, `0xFF0000` for red, and so on.
* `alignment`: The alignment of the text.
* `offset`: offset in pixels from position.
* `size`: size of the text.
The player-set font size is multiplied by size.x (y value isn't used).

### `statbar`

@@ -319,16 +319,21 @@ void Hud::drawLuaElements(const v3s16 &camera_offset)
floor(e->pos.Y * (float) m_screensize.Y + 0.5));
switch (e->type) {
case HUD_ELEM_TEXT: {
irr::gui::IGUIFont *textfont = font;
if (e->size.X > 0)
textfont = g_fontengine->getFont(
e->size.X * g_fontengine->getDefaultFontSize());

video::SColor color(255, (e->number >> 16) & 0xFF,
(e->number >> 8) & 0xFF,
(e->number >> 0) & 0xFF);
core::rect<s32> size(0, 0, e->scale.X, text_height * e->scale.Y);
std::wstring text = unescape_translate(utf8_to_wide(e->text));
core::dimension2d<u32> textsize = font->getDimension(text.c_str());
core::dimension2d<u32> textsize = textfont->getDimension(text.c_str());
v2s32 offset((e->align.X - 1.0) * (textsize.Width / 2),
(e->align.Y - 1.0) * (textsize.Height / 2));
v2s32 offs(e->offset.X, e->offset.Y);
font->draw(text.c_str(), size + pos + offset + offs, color);
textfont->draw(text.c_str(), size + pos + offset + offs, color);
break; }
case HUD_ELEM_STATBAR: {
v2s32 offs(e->offset.X, e->offset.Y);

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