renderer.hpp

#pragma once

#include "../include/auto.hpp"
#include "../include/win32.hpp"

#include "../detail/singleton.hpp"

#include "../imgui/imgui.hpp"
#include "../imgui/imgui_impl_win32.hpp"
#include "../imgui/imgui_impl_dx9.hpp"

namespace horizon::core
{

enum TextLayout : std::uint32_t
{
    TextLeft = 0x00,
    TextRight = 0x01,
    TextCenterV = 0x02,
    TextCenterH = 0x04,
    TextCenter = ( TextCenterV | TextCenterH ),
};

class Renderer : public detail::Singleton< Renderer >
{
public:
    ~Renderer();

public:
    auto Create( IDirect3DDevice9* direct_device ) -> bool;
    auto Destroy() -> void;

    auto Begin() -> bool;
    auto End() -> void;

    auto Present() -> void;

    auto DeviceLost() -> void;
    auto DeviceReset( const HRESULT result ) -> void;

public:
    auto DrawQuad( const ImVec2& p0, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImColor& color ) -> void;
    auto DrawRect( const ImVec2& begin, const ImVec2& size, const ImColor& color ) -> void;
    auto DrawLine( const ImVec2& begin, const ImVec2& end, const ImColor& color, float width = 1.f )  -> void;
    auto DrawText( const ImVec2& begin, unsigned align, const ImColor& color, const char* message, ... )  -> void;
    auto GetTextSize( ImVec2& output, const char* message, ... ) -> void;
};

}