From 6c5e0b27372167f92d97c458fcf8c3cd9efe6bfb Mon Sep 17 00:00:00 2001
From: devZoGok <nenkokeko@yandex.com>
Date: Fri, 24 Apr 2026 19:08:26 +0300
Subject: [PATCH] generating VAO and VBO only once

---
 text.cpp | 33 +++++++++++++++++----------------
 text.h   |  3 ++-
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/text.cpp b/text.cpp
index 6e12df8..2d0c334 100755
--- a/text.cpp
+++ b/text.cpp
@@ -16,9 +16,9 @@
 using namespace std;
 
 namespace vb01{
-	Text::Text(string fontPath, wstring entry, u16 firstChar, u16 lastChar){
+	Text::Text(string fontPath, wstring e, u16 firstChar, u16 lastChar) : entry(e){
+		init();
 		applyFont(fontPath, firstChar, lastChar);
-		setText(entry);
 	}
 
 	Text::~Text(){
@@ -26,6 +26,21 @@ namespace vb01{
 		glDeleteBuffers(1, &VBO);
 	}
 
+	void Text::init(){
+		glGenVertexArrays(1, &VAO);
+		glGenBuffers(1, &VBO);
+
+		glBindVertexArray(VAO);
+		glBindBuffer(GL_ARRAY_BUFFER, VBO);
+
+		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6 * 4, NULL, GL_DYNAMIC_DRAW);
+		glEnableVertexAttribArray(0);
+		glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0);
+
+		glBindBuffer(GL_ARRAY_BUFFER, 0);
+		glBindVertexArray(0);
+	}
+
 	//TODO ensure destruction of textures when unloading the asset
 	void Text::applyFont(string fontPath, u16 firstChar, u16 lastChar){
 		characters.clear();
@@ -120,20 +135,6 @@ namespace vb01{
 		glDrawArrays(GL_TRIANGLES, 0, 6);	
 	}
 
-	void Text::setText(wstring text){
-		this->entry = text;
-
-		glGenVertexArrays(1, &VAO);
-		glGenBuffers(1, &VBO);
-		glBindVertexArray(VAO);
-		glBindBuffer(GL_ARRAY_BUFFER, VBO);
-		glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6 * 4, NULL, GL_DYNAMIC_DRAW);
-		glEnableVertexAttribArray(0);
-		glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(float), (void*)0);
-		glBindBuffer(GL_ARRAY_BUFFER, 0);
-		glBindVertexArray(0);
-	}
-
 	Text::Glyph* Text::getGlyph(u16 ch){
 		Glyph *glyph = nullptr;
 
diff --git a/text.h b/text.h
index 9d1780d..e19a481 100755
--- a/text.h
+++ b/text.h
@@ -26,7 +26,7 @@ namespace vb01{
 			Text(std::string, std::wstring, u16 = 0, u16 = 256);
 			~Text();
 			void update();
-			void setText(std::wstring);
+			void setText(std::wstring e){this->entry = e;}
 			inline void setScale(float s){this->scale = s;}
 			inline float getScale(){return scale;}
 			inline int getLength(){return entry.length();}
@@ -39,6 +39,7 @@ namespace vb01{
 			inline void setMaterial(Material *mat){this->material = mat;}
 			Glyph* getGlyph(u16);
 		private:
+			void init();
 			void applyFont(std::string, u16, u16 = 256);
 			void clearFont();
 			void prepareGlyphs(Glyph, int, Vector2);