leocad/common/camera.h
2014-07-06 06:04:09 +00:00

294 lines
6.7 KiB
C++

#ifndef _CAMERA_H_
#define _CAMERA_H_
#include "object.h"
#include "lc_math.h"
#include "lc_array.h"
class TiledRender;
class View;
#define LC_CAMERA_HIDDEN 0x0001
#define LC_CAMERA_SIMPLE 0x0002
#define LC_CAMERA_ORTHO 0x0004
#define LC_CAMERA_POSITION_SELECTED 0x0010
#define LC_CAMERA_POSITION_FOCUSED 0x0020
#define LC_CAMERA_TARGET_SELECTED 0x0040
#define LC_CAMERA_TARGET_FOCUSED 0x0080
#define LC_CAMERA_UPVECTOR_SELECTED 0x0100
#define LC_CAMERA_UPVECTOR_FOCUSED 0x0200
#define LC_CAMERA_SELECTION_MASK (LC_CAMERA_POSITION_SELECTED | LC_CAMERA_TARGET_SELECTED | LC_CAMERA_UPVECTOR_SELECTED)
#define LC_CAMERA_FOCUS_MASK (LC_CAMERA_POSITION_FOCUSED | LC_CAMERA_TARGET_FOCUSED | LC_CAMERA_UPVECTOR_FOCUSED)
enum LC_VIEWPOINT
{
LC_VIEWPOINT_FRONT,
LC_VIEWPOINT_BACK,
LC_VIEWPOINT_TOP,
LC_VIEWPOINT_BOTTOM,
LC_VIEWPOINT_LEFT,
LC_VIEWPOINT_RIGHT,
LC_VIEWPOINT_HOME
};
enum lcCameraSection
{
LC_CAMERA_SECTION_POSITION,
LC_CAMERA_SECTION_TARGET,
LC_CAMERA_SECTION_UPVECTOR
};
typedef enum
{
LC_CAMERA_FRONT,LC_CAMERA_BACK,
LC_CAMERA_TOP, LC_CAMERA_UNDER,
LC_CAMERA_LEFT, LC_CAMERA_RIGHT,
LC_CAMERA_MAIN, LC_CAMERA_USER
} LC_CAMERA_TYPES;
enum LC_CK_TYPES
{
LC_CK_EYE,
LC_CK_TARGET,
LC_CK_UP,
LC_CK_COUNT
};
class lcCamera : public lcObject
{
public:
lcCamera(bool Simple);
lcCamera(float ex, float ey, float ez, float tx, float ty, float tz);
virtual ~lcCamera();
const char* GetName() const
{
return m_strName;
}
void CreateName(const lcArray<Camera*>& Cameras);
bool IsSimple() const
{
return (mState & LC_CAMERA_SIMPLE) != 0;
}
bool IsOrtho() const
{
return (mState & LC_CAMERA_ORTHO) != 0;
}
void SetOrtho(bool Ortho)
{
if (Ortho)
mState |= LC_CAMERA_ORTHO;
else
mState &= ~LC_CAMERA_ORTHO;
}
virtual bool IsSelected() const
{
return (mState & LC_CAMERA_SELECTION_MASK) != 0;
}
virtual bool IsSelected(lcuint32 Section) const
{
switch (Section)
{
case LC_CAMERA_SECTION_POSITION:
return (mState & LC_CAMERA_POSITION_SELECTED) != 0;
break;
case LC_CAMERA_SECTION_TARGET:
return (mState & LC_CAMERA_TARGET_SELECTED) != 0;
break;
case LC_CAMERA_SECTION_UPVECTOR:
return (mState & LC_CAMERA_UPVECTOR_SELECTED) != 0;
break;
}
return false;
}
virtual void SetSelected(bool Selected)
{
if (Selected)
mState |= LC_CAMERA_SELECTION_MASK;
else
mState &= ~(LC_CAMERA_SELECTION_MASK | LC_CAMERA_FOCUS_MASK);
}
virtual void SetSelected(lcuint32 Section, bool Selected)
{
switch (Section)
{
case LC_CAMERA_SECTION_POSITION:
if (Selected)
mState |= LC_CAMERA_POSITION_SELECTED;
else
mState &= ~(LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED);
break;
case LC_CAMERA_SECTION_TARGET:
if (Selected)
mState |= LC_CAMERA_TARGET_SELECTED;
else
mState &= ~(LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED);
break;
case LC_CAMERA_SECTION_UPVECTOR:
if (Selected)
mState |= LC_CAMERA_UPVECTOR_SELECTED;
else
mState &= ~(LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED);
break;
}
}
virtual bool IsFocused() const
{
return (mState & LC_CAMERA_FOCUS_MASK) != 0;
}
virtual bool IsFocused(lcuint32 Section) const
{
switch (Section)
{
case LC_CAMERA_SECTION_POSITION:
return (mState & LC_CAMERA_POSITION_FOCUSED) != 0;
break;
case LC_CAMERA_SECTION_TARGET:
return (mState & LC_CAMERA_TARGET_FOCUSED) != 0;
break;
case LC_CAMERA_SECTION_UPVECTOR:
return (mState & LC_CAMERA_UPVECTOR_FOCUSED) != 0;
break;
}
return false;
}
virtual void SetFocused(lcuint32 Section, bool Focus)
{
switch (Section)
{
case LC_CAMERA_SECTION_POSITION:
if (Focus)
mState |= LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED;
else
mState &= ~(LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED);
break;
case LC_CAMERA_SECTION_TARGET:
if (Focus)
mState |= LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED;
else
mState &= ~(LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED);
break;
case LC_CAMERA_SECTION_UPVECTOR:
if (Focus)
mState |= LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED;
else
mState &= ~(LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED);
break;
}
}
virtual lcuint32 GetFocusSection() const
{
if (mState & LC_CAMERA_POSITION_FOCUSED)
return LC_CAMERA_SECTION_POSITION;
if (mState & LC_CAMERA_TARGET_FOCUSED)
return LC_CAMERA_SECTION_TARGET;
if (mState & LC_CAMERA_UPVECTOR_FOCUSED)
return LC_CAMERA_SECTION_UPVECTOR;
return ~0;
}
virtual lcVector3 GetSectionPosition(lcuint32 Section) const
{
switch (Section)
{
case LC_CAMERA_SECTION_POSITION:
return mPosition;
case LC_CAMERA_SECTION_TARGET:
return mTargetPosition;
case LC_CAMERA_SECTION_UPVECTOR:
return lcMul31(lcVector3(0, 1, 0), lcMatrix44AffineInverse(mWorldView));
}
return lcVector3(0.0f, 0.0f, 0.0f);
}
public:
// void Hide()
// { mState = LC_CAMERA_HIDDEN; }
// void UnHide()
// { mState &= ~LC_CAMERA_HIDDEN; }
char* GetName()
{ return m_strName; }
bool IsSide()
{ return m_nType < LC_CAMERA_MAIN; }
bool IsVisible() const
{ return (mState & LC_CAMERA_HIDDEN) == 0; }
public:
virtual void RayTest(lcObjectRayTest& ObjectRayTest) const;
virtual void BoxTest(lcObjectBoxTest& ObjectBoxTest) const;
bool FileLoad(lcFile& file);
void FileSave(lcFile& file) const;
void Select(bool bSelecting, bool bFocus, bool bMultiple);
void UpdatePosition(lcStep Step);
void CopyPosition(const Camera* camera);
void Render(View* View);
void ZoomExtents(View* view, const lcVector3& Center, const lcVector3* Points, int NumPoints, lcStep Step, bool AddKey);
void ZoomRegion(const lcVector3* Points, float RatioX, float RatioY, lcStep Step, bool AddKey);
void Zoom(float Distance, lcStep Step, bool AddKey);
void Pan(float DistanceX, float DistanceY, lcStep Step, bool AddKey);
void Orbit(float DistanceX, float DistanceY, const lcVector3& CenterPosition, lcStep Step, bool AddKey);
void Roll(float Distance, lcStep Step, bool AddKey);
void Center(lcVector3& point, lcStep Step, bool AddKey);
void Move(lcStep Step, bool AddKey, const lcVector3& Distance);
void SetViewpoint(LC_VIEWPOINT Viewpoint, lcStep Step, bool AddKey);
void SetFocalPoint(const lcVector3& focus, lcStep Step, bool AddKey);
void StartTiledRendering(int tw, int th, int iw, int ih, float fAspect);
void GetTileInfo(int* row, int* col, int* width, int* height);
bool EndTile();
char m_strName[81];
float m_fovy;
float m_zNear;
float m_zFar;
lcMatrix44 mWorldView;
lcVector3 mPosition;
lcVector3 mTargetPosition;
lcVector3 mUpVector;
lcVector3 mOrthoTarget;
TiledRender* m_pTR;
protected:
void Initialize();
lcuint32 mState;
unsigned char m_nType;
};
#endif // _CAMERA_H_