From 7b73c6f742994b2bbbaa4db508654d1fc4595f1b Mon Sep 17 00:00:00 2001
From: Byte-Wh1te <bytewh1te@yahoo.com>
Date: Sun, 14 Jan 2024 13:49:10 +0200
Subject: [PATCH] Texture fix

---
 include/Calamity/Texture.h |  2 ++
 src/Texture.cpp            | 20 ++++++++++++++++----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/include/Calamity/Texture.h b/include/Calamity/Texture.h
index c20ea5d..e80428b 100644
--- a/include/Calamity/Texture.h
+++ b/include/Calamity/Texture.h
@@ -20,10 +20,12 @@ namespace clm
             std::string m_FilePath;
             int m_Width, m_Height, m_BPP;
         public:
+            Texture();
             Texture(const std::string& path,TextureFormat format = TextureFormat::None);
             Texture(int width, int height,TextureFormat format, const void* data = nullptr);
             void SetData(void* data);
             void Resize(int width,int height);
+            void LoadImage(const std::string& path,TextureFormat format = TextureFormat::None);
             ~Texture();
             
             void Bind(unsigned int slot = 0) const;
diff --git a/src/Texture.cpp b/src/Texture.cpp
index ac5a9d6..3215325 100644
--- a/src/Texture.cpp
+++ b/src/Texture.cpp
@@ -5,20 +5,30 @@
 
 namespace clm
 {
+    Texture::Texture()
+    {
+        glGenTextures(1, &m_RendererID);
+    }
+
     Texture::Texture(const std::string& path,TextureFormat format)
         : m_RendererID(0), m_FilePath(path), m_Width(0), m_Height(0), m_BPP(0)
     {
-        unsigned char* m_LocalBuffer = nullptr;
+        glGenTextures(1, &m_RendererID);
+        LoadImage(path);
+    }
 
+    
+    void Texture::LoadImage(const std::string& path,TextureFormat format)
+    {
+        glBindTexture(GL_TEXTURE_2D, m_RendererID);
         stbi_set_flip_vertically_on_load(1);
+        unsigned char* m_LocalBuffer = nullptr;
         m_LocalBuffer = stbi_load(path.c_str(), &m_Width, &m_Height, &m_BPP, 0);
         if (!m_LocalBuffer)
         {
             std::cout<<"Can't load texture '"<<path<<"' - "<<stbi_failure_reason();
         }
         
-        glGenTextures(1, &m_RendererID);
-        glBindTexture(GL_TEXTURE_2D, m_RendererID);
 
         // Set texture parameters for wrapping and filtering
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
@@ -105,7 +115,6 @@ namespace clm
         if (m_LocalBuffer)
             stbi_image_free(m_LocalBuffer);
     }
-
 Texture::Texture(int width, int height, TextureFormat format, const void *data)
         : m_RendererID(0), m_Width(width), m_Height(height), m_BPP(0)
     {
@@ -119,14 +128,17 @@ Texture::Texture(int width, int height, TextureFormat format, const void *data)
         case TextureFormat::Red:
             internalFormat = GL_RED;
             dataFormat = GL_RED;
+            m_BPP = 1;
             break;
         case TextureFormat::RGB:
             internalFormat = GL_RGB;
             dataFormat = GL_RGB;
+            m_BPP = 3;
             break;
         case TextureFormat::RGBA:
             internalFormat = GL_RGBA;
             dataFormat = GL_RGBA;
+            m_BPP = 4;
             break;
         default:
             throw std::invalid_argument("Invalid TextureFormat");