//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================

#ifndef IMATSYSTEMSURFACEV5_H
#define IMATSYSTEMSURFACEV5_H
#ifdef _WIN32
#pragma once
#endif

#include <vgui/VGUI.h>
#include "vgui/isurfacev30.h"

namespace MatSystemSurfaceV5 {
#define MAT_SYSTEM_SURFACE_INTERFACE_VERSION_5 "MatSystemSurface005"

class IMatSystemSurface : public SurfaceV30::ISurface {
   public:
    // Hook needed to get input to work.
    // If the app drives the input (like the engine needs to do for VCR mode),
    // it can set bLetAppDriveInput to true and call HandleWindowMessage for the
    // Windows messages.
    virtual void AttachToWindow(void *hwnd, bool bLetAppDriveInput = false) = 0;

    // If you specified true for bLetAppDriveInput, then call this for each
    // window message that comes in.
    virtual void HandleWindowMessage(void *hwnd, unsigned int uMsg,
                                     unsigned int wParam, long lParam) = 0;

    // Tells the surface to ignore windows messages
    virtual void EnableWindowsMessages(bool bEnable) = 0;

    // Starts, ends 3D painting
    // NOTE: These methods should only be called from within the paint()
    // method of a panel.
    virtual void Begin3DPaint(int iLeft, int iTop, int iRight, int iBottom) = 0;
    virtual void End3DPaint() = 0;

    // NOTE: This also should only be called from within the paint()
    // method of a panel. Use it to disable clipping for the rendering
    // of this panel.
    virtual void DisableClipping(bool bDisable) = 0;

    // Prevents vgui from changing the cursor
    virtual bool IsCursorLocked() const = 0;

    // Sets the mouse get + set callbacks
    virtual void SetMouseCallbacks(GetMouseCallback_t getFunc,
                                   SetMouseCallback_t setFunc) = 0;

    // Installs a function to play sounds
    virtual void InstallPlaySoundFunc(PlaySoundFunc_t soundFunc) = 0;

    // Some drawing methods that cannot be accomplished under Win32
    virtual void DrawColoredCircle(int centerx, int centery, float radius,
                                   int r, int g, int b, int a) = 0;
    virtual int DrawColoredText(vgui::HFont font, int x, int y, int r, int g,
                                int b, int a, PRINTF_FORMAT_STRING char *fmt,
                                ...) = 0;

    // Draws text with current font at position and wordwrapped to the rect
    // using color values specified
    virtual void DrawColoredTextRect(vgui::HFont font, int x, int y, int w,
                                     int h, int r, int g, int b, int a,
                                     PRINTF_FORMAT_STRING char *fmt, ...) = 0;
    virtual void DrawTextHeight(vgui::HFont font, int w, int &h,
                                PRINTF_FORMAT_STRING char *fmt, ...) = 0;

    // Returns the length of the text string in pixels
    virtual int DrawTextLen(vgui::HFont font, PRINTF_FORMAT_STRING char *fmt,
                            ...) = 0;

    // Draws a panel in 3D space. Assumes view + projection are already set up
    // Also assumes the (x,y) coordinates of the panels are defined in 640xN
    // coords (N isn't necessary 480 because the panel may not be 4x3) The width
    // + height specified are the size of the panel in world coordinates
    virtual void DrawPanelIn3DSpace(vgui::VPANEL pRootPanel,
                                    const VMatrix &panelCenterToWorld,
                                    int nPixelWidth, int nPixelHeight,
                                    float flWorldWidth,
                                    float flWorldHeight) = 0;

    // Binds a material to a surface texture ID
    virtual void DrawSetTextureMaterial(int id, IMaterial *pMaterial) = 0;
};

}  // namespace MatSystemSurfaceV5

//-----------------------------------------------------------------------------
// FIXME: This works around using scoped interfaces w/ EXPOSE_SINGLE_INTERFACE
//-----------------------------------------------------------------------------
class IMatSystemSurfaceV5 : public MatSystemSurfaceV5::IMatSystemSurface {
   public:
};

#endif  // IMATSYSTEMSURFACEV5_H