Updated some docs

archive/ui/finished/UILabel.cpp

@@ -0,0 +1,110 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "UILabel.hpp"
+#include "game/DawnGame.hpp"
+
+using namespace Dawn;
+
+UILabel::UILabel(UICanvas *canvas) : UIComponent(canvas) {
+  evtLangUpdated = useEvent([&]{
+    this->needsRebuffering = true;
+    if(key.size() > 0 && this->getGame()->localeManager.getString(key).size() > 0) {
+      this->hasText = true;
+    }
+  }, getGame()->localeManager.eventLanguageUpdated);
+}
+
+void UILabel::updatePositions() {
+  UIComponent::updatePositions();
+  this->updateMesh();
+}
+
+void UILabel::updateMesh() {
+  if(!this->needsRebuffering || !this->hasText) return;
+  if(this->font == nullptr || !this->font->isReady()) return;
+
+  float_t width = this->width;
+  if(width == 0) width = -1;
+
+  std::string text = this->getGame()->localeManager.getString(key);
+  this->font->buffer(
+    text,
+    this->fontSize,
+    width,
+    &this->mesh,
+    &this->measure
+  );
+
+  this->needsRebuffering = false;
+}
+
+void UILabel::setFont(Font *font) {
+  this->font = font;
+  this->needsRebuffering = true;
+}
+
+void UILabel::setText(std::string key) {
+  this->key = key;
+  this->hasText = false;
+  if(key.size() > 0 && this->getGame()->localeManager.getString(key).size()>0){
+    this->hasText = true;
+  }
+  this->needsRebuffering = true;
+}
+
+void UILabel::setFontSize(float_t fontSize) {
+  this->fontSize = fontSize;
+  this->needsRebuffering = true;
+}
+
+float_t UILabel::getFontSize() {
+  return this->fontSize;
+}
+
+float_t UILabel::getContentWidth() {
+  this->updateMesh();
+  return this->measure.getWidth();
+}
+
+float_t UILabel::getContentHeight() {
+  this->updateMesh();
+  return this->measure.getHeight();
+}
+
+std::vector<struct ShaderPassItem> UILabel::getSelfPassItems(
+  glm::mat4 projection,
+  glm::mat4 view,
+  glm::mat4 transform
+) {
+  std::vector<struct ShaderPassItem> items;
+  if(this->font == nullptr) return items;
+
+  // this has to go eventually
+  this->updateMesh();
+  auto item = this->getGame()->renderManager.uiShaderProgram.getUIPassItem(
+    projection,
+    view,
+    transform,
+    this->font->getTexture(),
+    this->textColor,
+    &this->mesh,
+    this->z
+  );
+  item.start = this->startQuad * QUAD_INDICE_COUNT;
+  item.count = this->quadCount == -1 ? -1 : this->quadCount * QUAD_INDICE_COUNT;
+  items.push_back(item);
+  return items;
+}
+
+void UILabel::setTransform(
+  UIComponentAlign xAlign,
+  UIComponentAlign yAlign,
+  glm::vec4 alignment,
+  float_t z
+) {
+  this->needsRebuffering = true;
+  UIComponent::setTransform(xAlign, yAlign, alignment, z);
+}