Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Implements a sphere helper for entities that have a radius of effect.
// Renders only when the parent entity is selected.
//
//=============================================================================//
#include "stdafx.h"
#include "Box3D.h"
#include "fgdlib/HelperInfo.h"
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/imesh.h"
#include "MapDoc.h"
#include "MapSphere.h"
#include "MapView2D.h"
#include "Material.h"
#include "mathlib/MathLib.h"
#include "Render2D.h"
#include "Render3D.h"
#include "ToolManager.h"
#include "ToolSphere.h"
// memdbgon must be the last include file in a .cpp file!!!
#include <tier0/memdbgon.h>
IMPLEMENT_MAPCLASS(CMapSphere)
//-----------------------------------------------------------------------------
// Purpose: Factory function. Used for creating a CMapSphere helper from a
// set of string parameters from the FGD file.
// Input : pInfo - Pointer to helper info class which gives us information
// about how to create the helper.
// Output : Returns a pointer to the helper, NULL if an error occurs.
//-----------------------------------------------------------------------------
CMapClass *CMapSphere::Create(CHelperInfo *pHelperInfo, CMapEntity *pParent)
{
CMapSphere *pSphere = new CMapSphere;
if (pSphere != NULL)
{
//
// The first parameter should be the key name to represent. If it isn't
// there we assume "radius".
//
const char *pszKeyName = pHelperInfo->GetParameter(0);
if (pszKeyName != NULL)
{
strcpy(pSphere->m_szKeyName, pszKeyName);
}
else
{
strcpy(pSphere->m_szKeyName, "radius");
}
//
// Extract the line color from the parameter list.
//
unsigned char chRed = 255;
unsigned char chGreen = 255;
unsigned char chBlue = 255;
const char *pszParam = pHelperInfo->GetParameter(1);
if (pszParam != NULL)
{
chRed = atoi(pszParam);
}
pszParam = pHelperInfo->GetParameter(2);
if (pszParam != NULL)
{
chGreen = atoi(pszParam);
}
pszParam = pHelperInfo->GetParameter(3);
if (pszParam != NULL)
{
chBlue = atoi(pszParam);
}
pSphere->SetRenderColor(chRed, chGreen, chBlue);
}
return pSphere;
}
//-----------------------------------------------------------------------------
// Purpose: Constructor.
//-----------------------------------------------------------------------------
CMapSphere::CMapSphere(void)
{
m_szKeyName[0] = '\0';
m_flRadius = 0;
r = 255;
g = 255;
b = 0;
}
//-----------------------------------------------------------------------------
// Purpose: Destructor.
//-----------------------------------------------------------------------------
CMapSphere::~CMapSphere(void)
{
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bFullUpdate -
//-----------------------------------------------------------------------------
void CMapSphere::CalcBounds(BOOL bFullUpdate)
{
CMapClass::CalcBounds(bFullUpdate);
//
// Pretend we're a point so that we don't change our parent entity bounds
// in the 2D view.
//
m_Render2DBox.ResetBounds();
m_Render2DBox.UpdateBounds(m_Origin);
//
// Build our bounds for frustum culling in the 3D views.
//
m_CullBox.ResetBounds();
Vector mins = m_Origin - Vector(m_flRadius, m_flRadius, m_flRadius);
Vector maxs = m_Origin + Vector(m_flRadius, m_flRadius, m_flRadius);
m_CullBox.UpdateBounds(mins, maxs);
m_BoundingBox.ResetBounds(); // we don't want to use the bounds of the sphere for our bounding box
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : CMapClass
//-----------------------------------------------------------------------------
CMapClass *CMapSphere::Copy(bool bUpdateDependencies)
{
CMapSphere *pCopy = new CMapSphere;
if (pCopy != NULL)
{
pCopy->CopyFrom(this, bUpdateDependencies);
}
return(pCopy);
}
//-----------------------------------------------------------------------------
// Purpose: Makes this an exact duplicate of pObject.
// Input : pObject - Object to copy.
// Output : Returns this.
//-----------------------------------------------------------------------------
CMapClass *CMapSphere::CopyFrom(CMapClass *pObject, bool bUpdateDependencies)
{
Assert(pObject->IsMapClass(MAPCLASS_TYPE(CMapSphere)));
CMapSphere *pFrom = (CMapSphere *)pObject;
CMapClass::CopyFrom(pObject, bUpdateDependencies);
m_flRadius = pFrom->m_flRadius;
strcpy(m_szKeyName, pFrom->m_szKeyName);
return(this);
}
//-----------------------------------------------------------------------------
// Purpose: Sets the radius of the sphere helper and updates our parent
// entity's keyvalue.
//-----------------------------------------------------------------------------
void CMapSphere::SetRadius(float flRadius)
{
m_flRadius = V_rint(flRadius);
CMapEntity *pEntity = dynamic_cast <CMapEntity *>(m_pParent);
if (pEntity != NULL)
{
char szValue[80];
sprintf(szValue, "%g", m_flRadius);
pEntity->NotifyChildKeyChanged(this, m_szKeyName, szValue);
}
}
//-----------------------------------------------------------------------------
// Purpose: Gets the tool object for a given context data from HitTest2D.
//-----------------------------------------------------------------------------
CBaseTool *CMapSphere::GetToolObject(int nHitData, bool bAttachObject)
{
CToolSphere *pTool = (CToolSphere *)ToolManager()->GetToolForID(TOOL_SPHERE);
if ( bAttachObject )
pTool->Attach(this);
return pTool;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pView -
// point - point in client coordinates
// Output :
//-----------------------------------------------------------------------------
bool CMapSphere::HitTest2D(CMapView2D *pView, const Vector2D &point, HitInfo_t &HitData)
{
if (!IsVisible() || m_flRadius <= 0 || !IsSelected() )
{
return NULL;
}
Vector2D vecClientOrigin;
pView->WorldToClient(vecClientOrigin, m_Origin);
Vector vecRadius = m_Origin;
vecRadius[pView->axHorz] += m_flRadius;
Vector2D vecClientRadius;
pView->WorldToClient(vecClientRadius, vecRadius);
int nRadius = abs(vecClientRadius.x - vecClientOrigin.x);
vecClientRadius.x = nRadius;
vecClientRadius.y = nRadius;
HitData.pObject = this;
HitData.nDepth = 0; // handles have no depth
HitData.uData = nRadius;
Vector2D vecClientMin = vecClientOrigin - vecClientRadius;
Vector2D vecClientMax = vecClientOrigin + vecClientRadius;
//
// Check the four resize handles.
//
Vector2D vecTemp(vecClientOrigin.x, vecClientMin.y - HANDLE_OFFSET);
if (pView->CheckDistance(point, vecTemp, 6))
{
// Top handle
SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZENS));
return true;
}
vecTemp.x = vecClientOrigin.x;
vecTemp.y = vecClientMax.y + HANDLE_OFFSET;
if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
{
// Bottom handle
SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZENS));
return true;
}
vecTemp.x = vecClientMin.x - HANDLE_OFFSET;
vecTemp.y = vecClientOrigin.y;
if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
{
// Left handle
SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZEWE));
return true;
}
vecTemp.x = vecClientMax.x + HANDLE_OFFSET;
vecTemp.y = vecClientOrigin.y;
if (pView->CheckDistance(point, vecTemp, HANDLE_RADIUS))
{
// Right handle
SetCursor(AfxGetApp()->LoadStandardCursor(IDC_SIZEWE));
return true;
}
HitData.pObject = NULL;
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Notifies that this object's parent entity has had a key value change.
// Input : szKey - The key that changed.
// szValue - The new value of the key.
//-----------------------------------------------------------------------------
void CMapSphere::OnParentKeyChanged(const char *szKey, const char *szValue)
{
if (!stricmp(szKey, m_szKeyName))
{
m_flRadius = atof(szValue);
PostUpdate(Notify_Changed);
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pRender -
//-----------------------------------------------------------------------------
void CMapSphere::Render2D(CRender2D *pRender)
{
if (m_pParent->IsSelected() && (m_flRadius > 0) )
{
pRender->SetDrawColor( 255, 255, 0 );
Vector2D ptClientRadius;
pRender->TransformNormal(ptClientRadius, Vector(m_flRadius,m_flRadius,m_flRadius) );
int radius = ptClientRadius.x;
pRender->DrawCircle( m_Origin, m_flRadius );
bool bPopMode = pRender->BeginClientSpace();
//
// Draw the four resize handles.
//
pRender->SetHandleStyle( HANDLE_RADIUS, CRender::HANDLE_SQUARE );
pRender->SetHandleColor( 255,255,255 );
Vector2D offset;
offset.x = 0;
offset.y = -(radius + HANDLE_OFFSET);
pRender->DrawHandle( m_Origin, &offset );
offset.x = 0;
offset.y = radius + HANDLE_OFFSET;
pRender->DrawHandle( m_Origin, &offset );
offset.x = -(radius + HANDLE_OFFSET);
offset.y = 0;
pRender->DrawHandle( m_Origin, &offset );
offset.x = radius + HANDLE_OFFSET;
offset.y = 0;
pRender->DrawHandle( m_Origin, &offset );
if ( bPopMode )
pRender->EndClientSpace();
}
}
//-----------------------------------------------------------------------------
// Purpose: Renders the wireframe sphere.
// Input : pRender - Interface to renderer.
//-----------------------------------------------------------------------------
void CMapSphere::Render3D(CRender3D *pRender)
{
if (m_pParent->IsSelected() && (m_flRadius > 0))
{
pRender->RenderWireframeSphere(m_Origin, m_flRadius, 12, 12, 255, 255, 0);
}
}