TargetCamera.h

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_TARGETCAMERA_H__97593EBB_5901_4D81_BAEB_8ADC76CFB627__INCLUDED_)
#define AFX_TARGETCAMERA_H__97593EBB_5901_4D81_BAEB_8ADC76CFB627__INCLUDED_

#include <GLEXT/GLCamera.h>
#include <GLW/GLWToolTip.h>
#include <engine/GameState.h>
#include <graph/ParticleEmitter.h>
#include <common/Keyboard.h>

class TargetCamera 
{
public:
        enum CamType
        {
                CamTop = 0,
                CamBehind,
                CamTank,
                CamGun,
                CamAction,
                CamLeft,
                CamRight,
                CamLeftFar,
                CamRightFar,
                CamSpectator,
                CamFree
        };

        TargetCamera();
        virtual ~TargetCamera();

        GLCamera &getCamera() { return mainCam_; }
        CamType getCameraType() { return cameraPos_; }
        ParticleEngine &getPrecipitationEngine() { return particleEngine_; }
        void setCameraType(CamType type) { cameraPos_ = type; }
        void resetCam();

        void simulate(float frameTime, bool playing);
        void draw();
        void drawPrecipitation();
        void mouseWheel(int x, int y, int z, bool &skipRest);
        void mouseDown(GameState::MouseButton button, 
                int x, int y, bool &skipRest);
        void mouseUp(GameState::MouseButton button, 
                int x, int y, bool &skipRest);
        void mouseDrag(GameState::MouseButton button,
                int mx, int my, int x, int y, bool &skipRest);
        bool keyboardCheck(
                float frameTime, 
                char *buffer, unsigned int keyState,
                KeyboardHistory::HistoryElement *history, int hisCount, 
                bool &skipRest);

        static const char **getCameraNames();
        static ToolTip *getCameraToolTips();
        static int getNoCameraNames();
        static float minHeightFunc(int x, int y, void *heightData);
        static float maxHeightFunc(int x, int y, void *heightData);

protected:
        GLCamera mainCam_;
        CamType cameraPos_;
        ParticleEmitter rainEmitter_, snowEmitter_;
        ParticleEngine particleEngine_;
        float totalTime_;
        bool useHeightFunc_;
        int dragXStart_, dragYStart_;
        bool dragging_;
        bool lastLandIntersectValid_;
        Vector lastLandIntersect_;

        bool moveCamera(float frameTime, bool playing);
        bool getLandIntersect(int x, int y, Vector &intersect);

};

#endif // !defined(AFX_TARGETCAMERA_H__97593EBB_5901_4D81_BAEB_8ADC76CFB627__INCLUDED_)

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