STexture.h

//
// Created by ounols on 19. 4. 18.
//
 
#pragma once
 
 
#include <vector>
#include "../../Object/SResource.h"
#include "../../OGLDef.h"
 
namespace CSE {
 
    class STexture : public SResource {
    public:
        enum Type {
            TEX_2D = 0, TEX_CUBE = 1
        };
    public:
        STexture();
        explicit STexture(Type type);
 
        ~STexture() override;
 
        bool LoadFile(const char* path);
 
        bool LoadFromMemory(const unsigned char* rawData, int length);
 
        virtual bool Load(unsigned char* data);
 
        bool ReloadFile(const char* path);
 
        bool Reload(unsigned char* data);
 
        unsigned int GetTextureID() const {
            return m_texId;
        }
 
        virtual bool InitTexture(int width, int height, int channel = GL_RGB, int internalFormat = GL_RGB8,
                                 int glType = GL_UNSIGNED_BYTE);
 
        bool InitTextureMipmap(int width, int height, int channel = GL_RGB, int internalFormat = GL_RGB8,
                                 int glType = GL_UNSIGNED_BYTE);
 
        virtual void SetParameteri(int targetName, int value) const;
 
        virtual void SetParameterfv(int targetName, float* value) const;
 
        void Release();
 
        void Exterminate() override;
 
        virtual void Bind(GLint location, int layout);
 
        static void BindEmpty(GLint location, int layout, STexture::Type type = TEX_2D);
 
        void GenerateMipmap() const;
 
        Type GetType() const;
 
        void SetType(Type type);
 
        int getMWidth() const;
 
        int getMHeight() const;
 
    protected:
        void Init(const AssetMgr::AssetReference* asset) override;
 
    private:
        static void LoadEmpty();
 
        static int GetTypeToTargetGL(STexture::Type type);
 
    protected:
        Type m_type = TEX_2D;
        int m_targetGL = GL_TEXTURE_2D;
        int m_width = 0;
        int m_height = 0;
        int m_channels = 0;
        int m_internalFormat = 0;
        int m_glType = GL_UNSIGNED_BYTE;
 
        unsigned int m_texId = 0;
 
    private:
        static unsigned int m_emptyTextureId;
    };
 
}