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Semi-transparent background for nametags (#10152)
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f2c8c6bf51
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@ -94,3 +94,32 @@ minetest.register_entity("testentities:upright_animated", {
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self.object:set_sprite({x=0, y=0}, 4, 1.0, false)
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end,
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})
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minetest.register_entity("testentities:nametag", {
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initial_properties = {
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visual = "sprite",
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textures = { "testentities_sprite.png" },
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},
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on_activate = function(self, staticdata)
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if staticdata ~= "" then
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self.color = minetest.deserialize(staticdata).color
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else
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self.color = {
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r = math.random(0, 255),
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g = math.random(0, 255),
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b = math.random(0, 255),
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}
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end
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assert(self.color)
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self.object:set_properties({
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nametag = tostring(math.random(1000, 10000)),
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nametag_color = self.color,
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})
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end,
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get_staticdata = function(self)
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return minetest.serialize({ color = self.color })
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end,
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})
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@ -691,10 +691,11 @@ void Camera::drawNametags()
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core::matrix4 trans = m_cameranode->getProjectionMatrix();
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trans *= m_cameranode->getViewMatrix();
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for (std::list<Nametag *>::const_iterator
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i = m_nametags.begin();
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i != m_nametags.end(); ++i) {
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Nametag *nametag = *i;
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gui::IGUIFont *font = g_fontengine->getFont();
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video::IVideoDriver *driver = RenderingEngine::get_video_driver();
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v2u32 screensize = driver->getScreenSize();
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for (const Nametag *nametag : m_nametags) {
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if (nametag->nametag_color.getAlpha() == 0) {
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// Enforce hiding nametag,
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// because if freetype is enabled, a grey
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@ -707,21 +708,29 @@ void Camera::drawNametags()
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if (transformed_pos[3] > 0) {
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std::wstring nametag_colorless =
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unescape_translate(utf8_to_wide(nametag->nametag_text));
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core::dimension2d<u32> textsize =
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g_fontengine->getFont()->getDimension(
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core::dimension2d<u32> textsize = font->getDimension(
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nametag_colorless.c_str());
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f32 zDiv = transformed_pos[3] == 0.0f ? 1.0f :
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core::reciprocal(transformed_pos[3]);
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v2u32 screensize = RenderingEngine::get_video_driver()->getScreenSize();
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v2s32 screen_pos;
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screen_pos.X = screensize.X *
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(0.5 * transformed_pos[0] * zDiv + 0.5) - textsize.Width / 2;
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screen_pos.Y = screensize.Y *
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(0.5 - transformed_pos[1] * zDiv * 0.5) - textsize.Height / 2;
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core::rect<s32> size(0, 0, textsize.Width, textsize.Height);
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g_fontengine->getFont()->draw(
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core::rect<s32> bg_size(-2, 0, textsize.Width+2, textsize.Height);
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video::SColor textColor = nametag->nametag_color;
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bool darkBackground = textColor.getLuminance() > 186;
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video::SColor backgroundColor = darkBackground
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? video::SColor(50, 50, 50, 50)
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: video::SColor(50, 255, 255, 255);
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driver->draw2DRectangle(backgroundColor, bg_size + screen_pos);
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font->draw(
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translate_string(utf8_to_wide(nametag->nametag_text)).c_str(),
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size + screen_pos, nametag->nametag_color);
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size + screen_pos, textColor);
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}
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}
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}
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