Add mesh class and update to proper texture handling

Mesh.cpp

@@ -1 +1,38 @@
 #include "Mesh.h"
+
+Mesh::Mesh(std::vector<Vertex> vertices, std::vector<uint32_t> indices, std::vector<Texture*> textures)
+    : vertices(vertices),
+      indices(indices),
+      textures(textures),
+      vertexBuffer(static_cast<void*>(vertices.data()), static_cast<void*>(indices.data()), vertices.size(), indices.size()) {
+
+
+}
+
+void Mesh::draw(ShaderProgram *shaderProgram) {
+
+    uint8_t typeNumberCount[TEXTURE_TYPE_NUM_ITEMS] {0};
+
+    // Bind all textures in order to its texture unit
+    for(auto it = textures.begin(); it != textures.end(); it++) {
+        int i = it - textures.begin();
+
+        uint8_t currentTextureType = (*it)->getTextureType();
+
+        (*it)->bind(i, shaderProgram, typeNumberCount[currentTextureType]);
+
+        typeNumberCount[currentTextureType] += 1;
+    }
+    
+    // Draw elements
+    vertexBuffer.bind();
+    glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0);
+    vertexBuffer.unbind();
+
+    // Unbind all textures
+    for(auto it = textures.begin(); it != textures.end(); it++) {
+        (**it).unbind();
+    }
+    
+
+}