restructure v2

engine/Backend/Texture.cpp

@@ -0,0 +1,47 @@
+
+#include "Texture.h"
+#include <iostream>
+#include <glad/glad.h>
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb/stb_image.h>
+
+Texture::Texture(const char* texturePath, bool flip)
+{
+    // Create the Texture and set our ID
+    glGenTextures(1, &ID);
+    glBindTexture(GL_TEXTURE_2D, ID);
+
+    // set the texture wrapping/filtering options (on the currently bound texture object)
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+    // Grab the texture from our path
+    if (flip)
+        stbi_set_flip_vertically_on_load(true);
+
+    unsigned char *data = stbi_load(texturePath, &width, &height, &nrChannels, 0);
+    if (data)
+    {
+        GLenum format = (nrChannels == 4) ? GL_RGBA : GL_RGB;
+        glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, GL_UNSIGNED_BYTE, data);
+        glGenerateMipmap(GL_TEXTURE_2D);
+    }
+    else
+    {
+        std::cout << "Failed to load texture" << std::endl;
+    }
+
+    if (flip)
+        stbi_set_flip_vertically_on_load(false);
+
+    stbi_image_free(data);
+}
+
+void Texture::Draw() const
+{
+    glActiveTexture(GL_TEXTURE0);
+    glBindTexture(GL_TEXTURE_2D, ID);
+}