362 lines
9.5 KiB
C++
362 lines
9.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Implements a sphere helper for entities that have a radius of effect.
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// Renders only when the parent entity is selected.
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//
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//=============================================================================//
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#include "stdafx.h"
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#include "Box3D.h"
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#include "fgdlib/HelperInfo.h"
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#include "materialsystem/imaterialsystem.h"
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#include "materialsystem/imesh.h"
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#include "MapDoc.h"
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#include "MapSphere.h"
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#include "MapView2D.h"
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#include "Material.h"
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#include "mathlib/MathLib.h"
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#include "Render2D.h"
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#include "Render3D.h"
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#include "ToolManager.h"
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#include "ToolSphere.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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IMPLEMENT_MAPCLASS(CMapSphere)
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//-----------------------------------------------------------------------------
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// Purpose: Factory function. Used for creating a CMapSphere helper from a
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// set of string parameters from the FGD file.
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// Input : pInfo - Pointer to helper info class which gives us information
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// about how to create the helper.
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// Output : Returns a pointer to the helper, NULL if an error occurs.
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//-----------------------------------------------------------------------------
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CMapClass *CMapSphere::Create(CHelperInfo *pHelperInfo, CMapEntity *pParent)
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{
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CMapSphere *pSphere = new CMapSphere;
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if (pSphere != NULL)
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{
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//
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// The first parameter should be the key name to represent. If it isn't
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// there we assume "radius".
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//
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const char *pszKeyName = pHelperInfo->GetParameter(0);
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if (pszKeyName != NULL)
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{
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strcpy(pSphere->m_szKeyName, pszKeyName);
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}
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else
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{
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strcpy(pSphere->m_szKeyName, "radius");
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}
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//
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// Extract the line color from the parameter list.
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//
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unsigned char chRed = 255;
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unsigned char chGreen = 255;
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unsigned char chBlue = 255;
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const char *pszParam = pHelperInfo->GetParameter(1);
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if (pszParam != NULL)
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{
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chRed = atoi(pszParam);
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}
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pszParam = pHelperInfo->GetParameter(2);
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if (pszParam != NULL)
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{
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chGreen = atoi(pszParam);
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}
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pszParam = pHelperInfo->GetParameter(3);
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if (pszParam != NULL)
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{
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chBlue = atoi(pszParam);
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}
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pSphere->SetRenderColor(chRed, chGreen, chBlue);
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}
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return pSphere;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructor.
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//-----------------------------------------------------------------------------
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CMapSphere::CMapSphere(void)
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{
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m_szKeyName[0] = '\0';
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m_flRadius = 0;
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r = 255;
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g = 255;
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b = 0;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor.
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//-----------------------------------------------------------------------------
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CMapSphere::~CMapSphere(void)
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bFullUpdate -
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//-----------------------------------------------------------------------------
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void CMapSphere::CalcBounds(BOOL bFullUpdate)
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{
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CMapClass::CalcBounds(bFullUpdate);
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//
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// Pretend we're a point so that we don't change our parent entity bounds
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// in the 2D view.
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//
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m_Render2DBox.ResetBounds();
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m_Render2DBox.UpdateBounds(m_Origin);
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//
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// Build our bounds for frustum culling in the 3D views.
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//
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m_CullBox.ResetBounds();
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Vector mins = m_Origin - Vector(m_flRadius, m_flRadius, m_flRadius);
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Vector maxs = m_Origin + Vector(m_flRadius, m_flRadius, m_flRadius);
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m_CullBox.UpdateBounds(mins, maxs);
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m_BoundingBox.ResetBounds(); // we don't want to use the bounds of the sphere for our bounding box
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : CMapClass
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//-----------------------------------------------------------------------------
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CMapClass *CMapSphere::Copy(bool bUpdateDependencies)
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{
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CMapSphere *pCopy = new CMapSphere;
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if (pCopy != NULL)
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{
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pCopy->CopyFrom(this, bUpdateDependencies);
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}
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return(pCopy);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes this an exact duplicate of pObject.
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// Input : pObject - Object to copy.
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// Output : Returns this.
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//-----------------------------------------------------------------------------
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CMapClass *CMapSphere::CopyFrom(CMapClass *pObject, bool bUpdateDependencies)
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{
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Assert(pObject->IsMapClass(MAPCLASS_TYPE(CMapSphere)));
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CMapSphere *pFrom = (CMapSphere *)pObject;
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CMapClass::CopyFrom(pObject, bUpdateDependencies);
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m_flRadius = pFrom->m_flRadius;
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strcpy(m_szKeyName, pFrom->m_szKeyName);
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return(this);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets the radius of the sphere helper and updates our parent
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// entity's keyvalue.
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//-----------------------------------------------------------------------------
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void CMapSphere::SetRadius(float flRadius)
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{
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m_flRadius = V_rint(flRadius);
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CMapEntity *pEntity = dynamic_cast <CMapEntity *>(m_pParent);
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if (pEntity != NULL)
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{
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char szValue[80];
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sprintf(szValue, "%g", m_flRadius);
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pEntity->NotifyChildKeyChanged(this, m_szKeyName, szValue);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Gets the tool object for a given context data from HitTest2D.
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//-----------------------------------------------------------------------------
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CBaseTool *CMapSphere::GetToolObject(int nHitData, bool bAttachObject)
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{
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CToolSphere *pTool = (CToolSphere *)ToolManager()->GetToolForID(TOOL_SPHERE);
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if ( bAttachObject )
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pTool->Attach(this);
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return pTool;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pView -
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// point - point in client coordinates
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// Output :
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//-----------------------------------------------------------------------------
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bool CMapSphere::HitTest2D(CMapView2D *pView, const Vector2D &point, HitInfo_t &HitData)
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{
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if (!IsVisible() || m_flRadius <= 0 || !IsSelected() )
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{
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return NULL;
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}
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Vector2D vecClientOrigin;
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pView->WorldToClient(vecClientOrigin, m_Origin);
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Vector vecRadius = m_Origin;
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vecRadius[pView->axHorz] += m_flRadius;
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Vector2D vecClientRadius;
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pView->WorldToClient(vecClientRadius, vecRadius);
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int nRadius = abs(vecClientRadius.x - vecClientOrigin.x);
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vecClientRadius.x = nRadius;
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vecClientRadius.y = nRadius;
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HitData.pObject = this;
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HitData.nDepth = 0; // handles have no depth
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HitData.uData = nRadius;
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Vector2D vecClientMin = vecClientOrigin - vecClientRadius;
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Vector2D vecClientMax = vecClientOrigin + vecClientRadius;
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//
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// Check the four resize handles.
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//
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Vector2D vecTemp(vecClientOrigin.x, vecClientMin.y - HANDLE_OFFSET);
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if (pView->CheckDistance(point, vecTemp, 6))
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{
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// Top handle
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZENS));
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return true;
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}
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vecTemp.x = vecClientOrigin.x;
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vecTemp.y = vecClientMax.y + HANDLE_OFFSET;
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if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
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{
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// Bottom handle
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZENS));
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return true;
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}
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vecTemp.x = vecClientMin.x - HANDLE_OFFSET;
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vecTemp.y = vecClientOrigin.y;
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if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
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{
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// Left handle
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZEWE));
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return true;
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}
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vecTemp.x = vecClientMax.x + HANDLE_OFFSET;
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vecTemp.y = vecClientOrigin.y;
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if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
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{
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// Right handle
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZEWE));
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return true;
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}
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HitData.pObject = NULL;
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Notifies that this object's parent entity has had a key value change.
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// Input : szKey - The key that changed.
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// szValue - The new value of the key.
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//-----------------------------------------------------------------------------
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void CMapSphere::OnParentKeyChanged(const char *szKey, const char *szValue)
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{
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if (!stricmp(szKey, m_szKeyName))
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{
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m_flRadius = atof(szValue);
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PostUpdate(Notify_Changed);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pRender -
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//-----------------------------------------------------------------------------
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void CMapSphere::Render2D(CRender2D *pRender)
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{
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if (m_pParent->IsSelected() && (m_flRadius > 0) )
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{
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pRender->SetDrawColor( 255, 255, 0 );
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Vector2D ptClientRadius;
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pRender->TransformNormal(ptClientRadius, Vector(m_flRadius,m_flRadius,m_flRadius) );
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int radius = ptClientRadius.x;
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pRender->DrawCircle( m_Origin, m_flRadius );
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bool bPopMode = pRender->BeginClientSpace();
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//
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// Draw the four resize handles.
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//
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pRender->SetHandleStyle( HANDLE_RADIUS, CRender::HANDLE_SQUARE );
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pRender->SetHandleColor( 255,255,255 );
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Vector2D offset;
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offset.x = 0;
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offset.y = -(radius + HANDLE_OFFSET);
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pRender->DrawHandle( m_Origin, &offset );
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offset.x = 0;
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offset.y = radius + HANDLE_OFFSET;
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pRender->DrawHandle( m_Origin, &offset );
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offset.x = -(radius + HANDLE_OFFSET);
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offset.y = 0;
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pRender->DrawHandle( m_Origin, &offset );
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offset.x = radius + HANDLE_OFFSET;
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offset.y = 0;
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pRender->DrawHandle( m_Origin, &offset );
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if ( bPopMode )
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pRender->EndClientSpace();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Renders the wireframe sphere.
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// Input : pRender - Interface to renderer.
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//-----------------------------------------------------------------------------
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void CMapSphere::Render3D(CRender3D *pRender)
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{
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if (m_pParent->IsSelected() && (m_flRadius > 0))
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{
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pRender->RenderWireframeSphere(m_Origin, m_flRadius, 12, 12, 255, 255, 0);
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}
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}
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