mirror of
https://github.com/leozide/leocad
synced 2024-11-17 07:47:55 +01:00
315 lines
7.6 KiB
C++
315 lines
7.6 KiB
C++
#ifndef _CAMERA_H_
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#define _CAMERA_H_
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#include "object.h"
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#include "lc_math.h"
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#include "lc_array.h"
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class TiledRender;
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#define LC_CAMERA_HIDDEN 0x0001
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#define LC_CAMERA_SIMPLE 0x0002
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#define LC_CAMERA_ORTHO 0x0004
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#define LC_CAMERA_POSITION_SELECTED 0x0010
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#define LC_CAMERA_POSITION_FOCUSED 0x0020
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#define LC_CAMERA_TARGET_SELECTED 0x0040
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#define LC_CAMERA_TARGET_FOCUSED 0x0080
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#define LC_CAMERA_UPVECTOR_SELECTED 0x0100
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#define LC_CAMERA_UPVECTOR_FOCUSED 0x0200
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#define LC_CAMERA_SELECTION_MASK (LC_CAMERA_POSITION_SELECTED | LC_CAMERA_TARGET_SELECTED | LC_CAMERA_UPVECTOR_SELECTED)
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#define LC_CAMERA_FOCUS_MASK (LC_CAMERA_POSITION_FOCUSED | LC_CAMERA_TARGET_FOCUSED | LC_CAMERA_UPVECTOR_FOCUSED)
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enum lcViewpoint
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{
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LC_VIEWPOINT_FRONT,
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LC_VIEWPOINT_BACK,
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LC_VIEWPOINT_TOP,
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LC_VIEWPOINT_BOTTOM,
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LC_VIEWPOINT_LEFT,
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LC_VIEWPOINT_RIGHT,
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LC_VIEWPOINT_HOME
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};
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enum lcCameraSection
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{
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LC_CAMERA_SECTION_POSITION,
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LC_CAMERA_SECTION_TARGET,
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LC_CAMERA_SECTION_UPVECTOR
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};
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class lcCamera : public lcObject
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{
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public:
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lcCamera(bool Simple);
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lcCamera(float ex, float ey, float ez, float tx, float ty, float tz);
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virtual ~lcCamera();
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const char* GetName() const
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{
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return m_strName;
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}
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void CreateName(const lcArray<lcCamera*>& Cameras);
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bool IsSimple() const
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{
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return (mState & LC_CAMERA_SIMPLE) != 0;
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}
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bool IsOrtho() const
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{
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return (mState & LC_CAMERA_ORTHO) != 0;
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}
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void SetOrtho(bool Ortho)
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{
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if (Ortho)
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mState |= LC_CAMERA_ORTHO;
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else
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mState &= ~LC_CAMERA_ORTHO;
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}
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virtual bool IsSelected() const
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{
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return (mState & LC_CAMERA_SELECTION_MASK) != 0;
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}
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virtual bool IsSelected(lcuint32 Section) const
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{
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switch (Section)
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{
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case LC_CAMERA_SECTION_POSITION:
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return (mState & LC_CAMERA_POSITION_SELECTED) != 0;
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break;
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case LC_CAMERA_SECTION_TARGET:
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return (mState & LC_CAMERA_TARGET_SELECTED) != 0;
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break;
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case LC_CAMERA_SECTION_UPVECTOR:
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return (mState & LC_CAMERA_UPVECTOR_SELECTED) != 0;
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break;
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}
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return false;
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}
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virtual void SetSelected(bool Selected)
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{
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if (Selected)
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mState |= LC_CAMERA_SELECTION_MASK;
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else
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mState &= ~(LC_CAMERA_SELECTION_MASK | LC_CAMERA_FOCUS_MASK);
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}
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virtual void SetSelected(lcuint32 Section, bool Selected)
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{
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switch (Section)
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{
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case LC_CAMERA_SECTION_POSITION:
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if (Selected)
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mState |= LC_CAMERA_POSITION_SELECTED;
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else
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mState &= ~(LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED);
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break;
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case LC_CAMERA_SECTION_TARGET:
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if (Selected)
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mState |= LC_CAMERA_TARGET_SELECTED;
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else
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mState &= ~(LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED);
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break;
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case LC_CAMERA_SECTION_UPVECTOR:
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if (Selected)
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mState |= LC_CAMERA_UPVECTOR_SELECTED;
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else
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mState &= ~(LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED);
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break;
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}
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}
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virtual bool IsFocused() const
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{
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return (mState & LC_CAMERA_FOCUS_MASK) != 0;
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}
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virtual bool IsFocused(lcuint32 Section) const
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{
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switch (Section)
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{
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case LC_CAMERA_SECTION_POSITION:
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return (mState & LC_CAMERA_POSITION_FOCUSED) != 0;
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break;
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case LC_CAMERA_SECTION_TARGET:
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return (mState & LC_CAMERA_TARGET_FOCUSED) != 0;
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break;
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case LC_CAMERA_SECTION_UPVECTOR:
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return (mState & LC_CAMERA_UPVECTOR_FOCUSED) != 0;
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break;
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}
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return false;
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}
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virtual void SetFocused(lcuint32 Section, bool Focus)
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{
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switch (Section)
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{
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case LC_CAMERA_SECTION_POSITION:
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if (Focus)
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mState |= LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED;
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else
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mState &= ~(LC_CAMERA_POSITION_SELECTED | LC_CAMERA_POSITION_FOCUSED);
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break;
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case LC_CAMERA_SECTION_TARGET:
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if (Focus)
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mState |= LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED;
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else
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mState &= ~(LC_CAMERA_TARGET_SELECTED | LC_CAMERA_TARGET_FOCUSED);
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break;
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case LC_CAMERA_SECTION_UPVECTOR:
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if (Focus)
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mState |= LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED;
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else
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mState &= ~(LC_CAMERA_UPVECTOR_SELECTED | LC_CAMERA_UPVECTOR_FOCUSED);
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break;
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}
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}
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virtual lcuint32 GetFocusSection() const
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{
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if (mState & LC_CAMERA_POSITION_FOCUSED)
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return LC_CAMERA_SECTION_POSITION;
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if (mState & LC_CAMERA_TARGET_FOCUSED)
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return LC_CAMERA_SECTION_TARGET;
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if (mState & LC_CAMERA_UPVECTOR_FOCUSED)
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return LC_CAMERA_SECTION_UPVECTOR;
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return ~0;
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}
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virtual lcuint32 GetAllowedTransforms() const
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{
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return LC_OBJECT_TRANSFORM_MOVE_X | LC_OBJECT_TRANSFORM_MOVE_Y | LC_OBJECT_TRANSFORM_MOVE_Z;
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}
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virtual lcVector3 GetSectionPosition(lcuint32 Section) const
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{
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switch (Section)
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{
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case LC_CAMERA_SECTION_POSITION:
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return mPosition;
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case LC_CAMERA_SECTION_TARGET:
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return mTargetPosition;
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case LC_CAMERA_SECTION_UPVECTOR:
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return lcMul31(lcVector3(0, 25, 0), lcMatrix44AffineInverse(mWorldView));
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}
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return lcVector3(0.0f, 0.0f, 0.0f);
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}
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void SaveLDraw(QTextStream& Stream) const;
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bool ParseLDrawLine(QTextStream& Stream);
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public:
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bool IsVisible() const
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{ return (mState & LC_CAMERA_HIDDEN) == 0; }
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bool IsHidden() const
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{
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return (mState & LC_CAMERA_HIDDEN) != 0;
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}
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void SetHidden(bool Hidden)
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{
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if (Hidden)
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mState |= LC_CAMERA_HIDDEN;
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else
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mState &= ~LC_CAMERA_HIDDEN;
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}
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void SetPosition(const lcVector3& Position, lcStep Step, bool AddKey)
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{
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ChangeKey(mPositionKeys, Position, Step, AddKey);
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}
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void SetTargetPosition(const lcVector3& TargetPosition, lcStep Step, bool AddKey)
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{
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ChangeKey(mTargetPositionKeys, TargetPosition, Step, AddKey);
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}
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void SetUpVector(const lcVector3& UpVector, lcStep Step, bool AddKey)
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{
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ChangeKey(mPositionKeys, UpVector, Step, AddKey);
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}
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float GetOrthoHeight() const
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{
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// Compute the FOV/plane intersection radius.
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// d d
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// a = 2 atan(------) => ~ a = --- => d = af
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// 2f f
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float f = (mPosition - mTargetPosition).Length();
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return (m_fovy * f) * (LC_PI / 180.0f);
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}
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public:
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virtual void RayTest(lcObjectRayTest& ObjectRayTest) const;
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virtual void BoxTest(lcObjectBoxTest& ObjectBoxTest) const;
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virtual void DrawInterface(lcContext* Context) const;
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void InsertTime(lcStep Start, lcStep Time);
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void RemoveTime(lcStep Start, lcStep Time);
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bool FileLoad(lcFile& file);
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void Select(bool bSelecting, bool bFocus, bool bMultiple);
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void CompareBoundingBox(lcVector3& Min, lcVector3& Max);
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void UpdatePosition(lcStep Step);
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void CopyPosition(const lcCamera* camera);
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void ZoomExtents(float AspectRatio, const lcVector3& Center, const lcVector3* Points, int NumPoints, lcStep Step, bool AddKey);
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void ZoomRegion(float AspectRatio, const lcVector3& Position, const lcVector3& TargetPosition, const lcVector3* Corners, lcStep Step, bool AddKey);
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void Zoom(float Distance, lcStep Step, bool AddKey);
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void Pan(const lcVector3& Distance, lcStep Step, bool AddKey);
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void Orbit(float DistanceX, float DistanceY, const lcVector3& CenterPosition, lcStep Step, bool AddKey);
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void Roll(float Distance, lcStep Step, bool AddKey);
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void Center(lcVector3& point, lcStep Step, bool AddKey);
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void Move(lcStep Step, bool AddKey, const lcVector3& Distance);
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void SetViewpoint(lcViewpoint Viewpoint);
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void StartTiledRendering(int tw, int th, int iw, int ih, float fAspect);
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void GetTileInfo(int* row, int* col, int* width, int* height);
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bool EndTile();
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char m_strName[81];
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float m_fovy;
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float m_zNear;
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float m_zFar;
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lcMatrix44 mWorldView;
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lcVector3 mPosition;
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lcVector3 mTargetPosition;
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lcVector3 mUpVector;
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TiledRender* m_pTR;
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protected:
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lcArray<lcObjectKey<lcVector3>> mPositionKeys;
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lcArray<lcObjectKey<lcVector3>> mTargetPositionKeys;
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lcArray<lcObjectKey<lcVector3>> mUpVectorKeys;
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void Initialize();
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lcuint32 mState;
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};
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#endif // _CAMERA_H_
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