Observer.h

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// Observer.h
//
// Copyright (c) 1995-1998 - Richard Langlois and Grokksoft Inc.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.
//

#pragma once

#include "../../engine/Display/HudCell.h"
#include "../../engine/VideoServices/Viewport3D.h"
#include "../../engine/MainCharacter/MainCharacter.h"
#include "../../engine/ObjFacTools/SpriteHandle.h"

namespace HoverRace {
    namespace Client {
        class ClientSession;
    }
    namespace Model {
        struct SectionId;
    }
}

namespace HoverRace {
namespace Client {

class Observer
{
private:
    MR_3DCoordinate mLastCameraPos;
    BOOL mLastCameraPosValid;
    BOOL mCockpitView;
    bool hudVisible;
    bool demoMode;

    VideoServices::Viewport2D m2DDebugView;
    VideoServices::Viewport3D mWireFrameView;
    VideoServices::Viewport3D m3DView;

    Display::HudCell splitMode;

    int mScroll;
    MR_Angle mApperture;
    int mXMargin_1024;                        // Fraction of Horizontal screen that is a margin
    int mYMargin_1024;                        // Fraction of vertical screen that is a margin

    BOOL mMoreMessages;
    int mDispPlayers;                         // Index of the players list to display
    // 0 mean do not display

    std::shared_ptr<ObjFac1::SpriteHandle> mBaseFont;
    std::shared_ptr<ObjFac1::SpriteHandle> mMissileLevel;
    std::shared_ptr<ObjFac1::SpriteHandle> mMineDisp;
    std::shared_ptr<ObjFac1::SpriteHandle> mPowerUpDisp;
    std::shared_ptr<ObjFac1::SpriteHandle> mHoverIcons;

public:
    Observer();
    ~Observer() { }

private:
    void Render2DDebugView(VideoServices::VideoBuffer * pDest, const Model::Level * pLevel, const MainCharacter::MainCharacter * pViewingCharacter);
    void RenderWireFrameView(const Model::Level * pLevel, const MainCharacter::MainCharacter * pViewingCharacter);
    void Render3DView(const HoverRace::Client::ClientSession * pSession, const MainCharacter::MainCharacter * pViewingCharacter, MR_SimulationTime pTime, const MR_UInt8 * pBackImage);

    void DrawWFSection(const Model::Level * pLevel, const Model::SectionId & pSectionId, MR_UInt8 pColor);
    void RenderRoomWalls(const Model::Level * pLevel, int pRoomId, MR_SimulationTime pTime);
    void RenderFeatureWalls(const Model::Level * pLevel, int pFeatureId, MR_SimulationTime pTime);
    void RenderFloorOrCeiling(const Model::Level * pLevel, const Model::SectionId & pSectionId, BOOL pFloor, MR_SimulationTime pTime);

    static void DrawBackground(VideoServices::VideoBuffer * pDest);

public:
    static const std::string &GetCraftName(int id);

    // Camera control
    void Scroll(int pOffset);
    void Zoom(int factor); 
    void Home();
    void ToggleHudVisible();
    void SetHudVisible(bool visible);
    void StartDemoMode();

    void EnlargeMargin();
    void ReduceMargin();

    void MoreMessages();
    void PlayersListPageDn();

    void SetCockpitView(BOOL pOn);

    void SetSplitMode(Display::HudCell pMode);

    // Rendering function
    void RenderDebugDisplay(VideoServices::VideoBuffer * pDest, const HoverRace::Client::ClientSession *pSession, const MainCharacter::MainCharacter * pViewingCharacter, MR_SimulationTime pTime, const MR_UInt8 * pBackImage);
    void RenderNormalDisplay(VideoServices::VideoBuffer * pDest, const HoverRace::Client::ClientSession *pSession, const MainCharacter::MainCharacter * pViewingCharacter, MR_SimulationTime pTime, const MR_UInt8 * pBackImage);

    void PlaySounds(const Model::Level * pLevel, MainCharacter::MainCharacter * pViewingCharacter);

};

}  // namespace Client
}  // namespace HoverRace