171 lines
3.5 KiB
C++
171 lines
3.5 KiB
C++
// Filename:- zclip.cpp
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//
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#include "stdafx.h"
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#include "Radiant.h"
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#include "ZWnd.h"
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#include "qe3.h"
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#include "zclip.h"
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CZClip::CZClip()
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{
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LONG
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lSize = sizeof(m_bEnabled);
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if (!LoadRegistryInfo("Radiant::ZClipEnabled", &m_bEnabled, &lSize))
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m_bEnabled = false;
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lSize = sizeof(m_iZClipTop);
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if (!LoadRegistryInfo("Radiant::ZClipTop", &m_iZClipTop, &lSize))
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m_iZClipTop = 64;
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lSize = sizeof(m_iZClipBottom);
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if (!LoadRegistryInfo("Radiant::ZClipBottom", &m_iZClipBottom, &lSize))
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m_iZClipBottom = -64;
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Legalise();
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}
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CZClip::~CZClip()
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{
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// TODO: registry save
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SaveRegistryInfo("Radiant::ZClipEnabled", &m_bEnabled, sizeof(m_bEnabled));
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SaveRegistryInfo("Radiant::ZClipTop", &m_iZClipTop, sizeof(m_iZClipTop));
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SaveRegistryInfo("Radiant::ZClipBottom", &m_iZClipBottom, sizeof(m_iZClipBottom));
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}
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void CZClip::Reset(void)
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{
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m_iZClipTop = 64; // arb. starting values, but must be at least 64 apart
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m_iZClipBottom = -64;
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m_bEnabled = false;
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Legalise();
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}
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int CZClip::GetTop(void)
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{
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return m_iZClipTop;
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}
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int CZClip::GetBottom(void)
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{
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return m_iZClipBottom;
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}
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void CZClip::Legalise(void)
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{
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// need swapping?
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//
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if (m_iZClipTop < m_iZClipBottom)
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{
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int iTemp = m_iZClipTop;
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m_iZClipTop = m_iZClipBottom;
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m_iZClipBottom = iTemp;
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}
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// too close together?
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//
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#define ZCLIP_MIN_SPACING 64
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if (abs(m_iZClipTop - m_iZClipBottom) < ZCLIP_MIN_SPACING)
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m_iZClipBottom = m_iZClipTop - ZCLIP_MIN_SPACING;
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}
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void CZClip::SetTop(int iNewZ)
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{
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m_iZClipTop = iNewZ;
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Legalise();
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}
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void CZClip::SetBottom(int iNewZ)
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{
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m_iZClipBottom = iNewZ;
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Legalise();
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}
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bool CZClip::IsEnabled(void)
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{
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return m_bEnabled;
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}
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bool CZClip::Enable(bool bOnOff)
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{
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m_bEnabled = !m_bEnabled;
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return IsEnabled();
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}
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#define ZCLIP_BAR_THICKNESS 8
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#define ZCLIP_ARROWHEIGHT (ZCLIP_BAR_THICKNESS*8)
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void CZClip::Paint(void)
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{
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float x, y;
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int xCam = z.width/4; // hmmm, a rather unpleasant and obscure global name, but it was already called that so...
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qglColor3f (ZCLIP_COLOUR);//1.0, 0.0, 1.0);
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// draw TOP marker...
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//
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x = 0;
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y = m_iZClipTop;
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if (m_bEnabled)
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qglBegin(GL_QUADS);
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else
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qglBegin(GL_LINE_LOOP);
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qglVertex3f (x-xCam,y,0);
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qglVertex3f (x-xCam,y+ZCLIP_BAR_THICKNESS,0);
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qglVertex3f (x+xCam,y+ZCLIP_BAR_THICKNESS,0);
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qglVertex3f (x+xCam,y,0);
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qglEnd ();
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qglColor3f (ZCLIP_COLOUR_DIM);//0.8, 0.0, 0.8);
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if (m_bEnabled)
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qglBegin(GL_TRIANGLES);
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else
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qglBegin(GL_LINE_LOOP);
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qglVertex3f (x,(y+ZCLIP_BAR_THICKNESS),0);
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qglVertex3f (x-xCam,(y+ZCLIP_BAR_THICKNESS)+(ZCLIP_ARROWHEIGHT/2),0);
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qglVertex3f (x+xCam,(y+ZCLIP_BAR_THICKNESS)+(ZCLIP_ARROWHEIGHT/2),0);
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qglEnd ();
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// draw bottom marker...
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//
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qglColor3f (ZCLIP_COLOUR);//1.0, 0.0, 1.0);
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x = 0;
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y = m_iZClipBottom;
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if (m_bEnabled)
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qglBegin(GL_QUADS);
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else
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qglBegin(GL_LINE_LOOP);
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qglVertex3f (x-xCam,y,0);
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qglVertex3f (x-xCam,y-ZCLIP_BAR_THICKNESS,0);
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qglVertex3f (x+xCam,y-ZCLIP_BAR_THICKNESS,0);
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qglVertex3f (x+xCam,y,0);
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qglEnd ();
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qglColor3f (ZCLIP_COLOUR_DIM);//0.8, 0.0, 0.8);
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if (m_bEnabled)
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qglBegin(GL_TRIANGLES);
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else
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qglBegin(GL_LINE_LOOP);
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qglVertex3f (x,(y-ZCLIP_BAR_THICKNESS),0);
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qglVertex3f (x-xCam,(y-ZCLIP_BAR_THICKNESS)-(ZCLIP_ARROWHEIGHT/2),0);
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qglVertex3f (x+xCam,(y-ZCLIP_BAR_THICKNESS)-(ZCLIP_ARROWHEIGHT/2),0);
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qglEnd ();
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}
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///////////////// eof ///////////////////
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