511 lines
14 KiB
C++
511 lines
14 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: This helper is used for entities that represent a line between two
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// entities. Examples of these are: beams and special node connections.
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//
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// The helper factory parameters are:
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//
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// <red> <green> <blue> <start key> <start key value> <end key> <end key value>
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//
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// The line helper looks in the given keys in its parent entity and
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// attaches itself to the entities with those key values. If only one
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// endpoint entity is specified, the other end is assumed to be the parent
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// entity.
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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 "MapEntity.h"
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#include "MapLine.h"
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#include "MapWorld.h"
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#include "Render2D.h"
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#include "Render3D.h"
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#include "TextureSystem.h"
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#include "materialsystem/imesh.h"
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#include "Material.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(CMapLine);
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//-----------------------------------------------------------------------------
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// Purpose: Factory function. Used for creating a CMapLine from a set
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// 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 class.
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// Output : Returns a pointer to the class, NULL if an error occurs.
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//-----------------------------------------------------------------------------
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CMapClass *CMapLine::Create(CHelperInfo *pHelperInfo, CMapEntity *pParent)
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{
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CMapLine *pLine = NULL;
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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(0);
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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(1);
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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(2);
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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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const char *pszStartKey = pHelperInfo->GetParameter(3);
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const char *pszStartValueKey = pHelperInfo->GetParameter(4);
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const char *pszEndKey = pHelperInfo->GetParameter(5);
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const char *pszEndValueKey = pHelperInfo->GetParameter(6);
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//
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// Make sure we'll have at least one endpoint to work with.
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//
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if ((pszStartKey == NULL) || (pszStartValueKey == NULL))
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{
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return NULL;
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}
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pLine = new CMapLine(pszStartKey, pszStartValueKey, pszEndKey, pszEndValueKey);
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pLine->SetRenderColor(chRed, chGreen, chBlue);
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//
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// If they only specified a start entity, use our parent as the end entity.
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//
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if ((pszEndKey == NULL) || (pszEndValueKey == NULL))
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{
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pLine->m_pEndEntity = pParent;
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}
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return(pLine);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CMapLine::CMapLine(void)
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{
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Initialize();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructor. Initializes data members.
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// Input : pszStartKey - The key to search in other entities for a match against the value of pszStartValueKey, ex 'targetname'.
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// pszStartValueKey - The key in our parent entity from which to get a search term for the start entity ex 'beamstart01'.
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// pszEndKey - The key to search in other entities for a match against the value of pszEndValueKey ex 'targetname'.
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// pszEndValueKey - The key in our parent entity from which to get a search term for the end entity ex 'beamend01'.
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//-----------------------------------------------------------------------------
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CMapLine::CMapLine(const char *pszStartKey, const char *pszStartValueKey, const char *pszEndKey, const char *pszEndValueKey)
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{
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Initialize();
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strcpy(m_szStartKey, pszStartKey);
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strcpy(m_szStartValueKey, pszStartValueKey);
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if ((pszEndKey != NULL) && (pszEndValueKey != NULL))
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{
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strcpy(m_szEndKey, pszEndKey);
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strcpy(m_szEndValueKey, pszEndValueKey);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets data members to initial values.
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//-----------------------------------------------------------------------------
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void CMapLine::Initialize(void)
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{
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m_szStartKey[0] = '\0';
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m_szStartValueKey[0] = '\0';
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m_szEndKey[0] = '\0';
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m_szEndValueKey[0] = '\0';
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m_pStartEntity = NULL;
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m_pEndEntity = NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor.
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//-----------------------------------------------------------------------------
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CMapLine::~CMapLine(void)
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Calculates the midpoint of the line and sets our origin there.
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//-----------------------------------------------------------------------------
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void CMapLine::BuildLine(void)
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{
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if ((m_pStartEntity != NULL) && (m_pEndEntity != NULL))
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{
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//
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// Set our origin to our midpoint. This moves our selection handle box to the
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// midpoint.
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//
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Vector Start;
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Vector End;
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m_pStartEntity->GetOrigin(Start);
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m_pEndEntity->GetOrigin(End);
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SetOrigin((Start + End) / 2);
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}
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CalcBounds();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Recalculates our bounding box.
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// Input : bFullUpdate - Whether to force our children to recalculate or not.
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//-----------------------------------------------------------------------------
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void CMapLine::CalcBounds(BOOL bFullUpdate)
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{
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CMapClass::CalcBounds(bFullUpdate);
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//
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// Don't calculate 2D bounds - we don't occupy any space in 2D. This keeps our
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// parent entity's bounds from expanding to encompass our endpoints.
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//
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//
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// Update our 3D culling box and possibly our origin.
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//
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// If our start and end entities are resolved, calcuate our bounds
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// based on the positions of the start and end entities.
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//
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if (m_pStartEntity && m_pEndEntity)
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{
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//
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// Update the 3D bounds.
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//
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Vector Start;
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Vector End;
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m_pStartEntity->GetOrigin(Start);
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m_CullBox.UpdateBounds(Start);
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m_pEndEntity->GetOrigin(End);
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m_CullBox.UpdateBounds(End);
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}
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m_BoundingBox = m_CullBox;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bUpdateDependencies -
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// Output : CMapClass
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//-----------------------------------------------------------------------------
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CMapClass *CMapLine::Copy(bool bUpdateDependencies)
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{
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CMapLine *pCopy = new CMapLine;
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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: Turns 'this' into an exact replica of 'pObject'.
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// Input : pObject - Object to replicate.
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// bUpdateDependencies -
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// Output :
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//-----------------------------------------------------------------------------
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CMapClass *CMapLine::CopyFrom(CMapClass *pObject, bool bUpdateDependencies)
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{
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CMapLine *pFrom = dynamic_cast <CMapLine *>(pObject);
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if (pFrom != NULL)
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{
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CMapClass::CopyFrom(pObject, bUpdateDependencies);
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if (bUpdateDependencies)
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{
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m_pStartEntity = (CMapEntity *)UpdateDependency(m_pStartEntity, pFrom->m_pStartEntity);
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m_pEndEntity = (CMapEntity *)UpdateDependency(m_pEndEntity, pFrom->m_pEndEntity);
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}
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else
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{
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m_pStartEntity = pFrom->m_pStartEntity;
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m_pEndEntity = pFrom->m_pEndEntity;
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}
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strcpy(m_szStartValueKey, pFrom->m_szStartValueKey);
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strcpy(m_szStartKey, pFrom->m_szStartKey);
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strcpy(m_szEndValueKey, pFrom->m_szEndValueKey);
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strcpy(m_szEndKey, pFrom->m_szEndKey);
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}
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return(this);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called after this object is added to the world.
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//
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// NOTE: This function is NOT called during serialization. Use PostloadWorld
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// to do similar bookkeeping after map load.
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//
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// Input : pWorld - The world that we have been added to.
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//-----------------------------------------------------------------------------
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void CMapLine::OnAddToWorld(CMapWorld *pWorld)
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{
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CMapClass::OnAddToWorld(pWorld);
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//
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// Updates our start and end entity pointers since we are being added
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// into the world.
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//
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UpdateDependencies(pWorld, NULL);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Called just after this object has been removed from the world so
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// that it can unlink itself from other objects in the world.
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// Input : pWorld - The world that we were just removed from.
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// bNotifyChildren - Whether we should forward notification to our children.
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//-----------------------------------------------------------------------------
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void CMapLine::OnRemoveFromWorld(CMapWorld *pWorld, bool bNotifyChildren)
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{
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CMapClass::OnRemoveFromWorld(pWorld, bNotifyChildren);
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//
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// Detach ourselves from the endpoint entities.
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//
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m_pStartEntity = (CMapEntity *)UpdateDependency(m_pStartEntity, NULL);
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m_pEndEntity = (CMapEntity *)UpdateDependency(m_pEndEntity, NULL);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Our start or end entity has changed; recalculate our bounds and midpoint.
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// Input : pObject - Entity that changed.
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//-----------------------------------------------------------------------------
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void CMapLine::OnNotifyDependent(CMapClass *pObject, Notify_Dependent_t eNotifyType)
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{
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CMapClass::OnNotifyDependent(pObject, eNotifyType);
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CMapWorld *pWorld = (CMapWorld *)GetWorldObject(this);
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UpdateDependencies(pWorld, NULL);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : key -
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// value -
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//-----------------------------------------------------------------------------
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void CMapLine::OnParentKeyChanged( const char* key, const char* value )
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{
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CMapWorld *pWorld = (CMapWorld *)GetWorldObject(this);
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if (pWorld != NULL)
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{
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if (stricmp(key, m_szStartValueKey) == 0)
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{
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m_pStartEntity = (CMapEntity *)UpdateDependency(m_pStartEntity, pWorld->FindChildByKeyValue(m_szStartKey, value));
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BuildLine();
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}
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else if (stricmp(key, m_szEndValueKey) == 0)
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{
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m_pEndEntity = (CMapEntity *)UpdateDependency(m_pEndEntity, pWorld->FindChildByKeyValue(m_szEndKey, value));
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BuildLine();
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Renders the line helper in the 2D view.
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// Input : pRender - 2D rendering interface.
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//-----------------------------------------------------------------------------
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void CMapLine::Render2D(CRender2D *pRender)
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{
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if ((m_pStartEntity != NULL) && (m_pEndEntity != NULL))
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{
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Vector Start;
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Vector End;
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m_pStartEntity->GetOrigin(Start);
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m_pEndEntity->GetOrigin(End);
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if (IsSelected())
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{
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pRender->SetDrawColor( SELECT_FACE_RED, SELECT_FACE_GREEN, SELECT_FACE_BLUE );
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}
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else
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{
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pRender->SetDrawColor( r, g, b );
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}
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pRender->DrawLine(Start, End);
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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 CMapLine::Render3D(CRender3D *pRender)
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{
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if ( (m_pStartEntity == NULL) || (m_pEndEntity == NULL) )
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return;
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pRender->BeginRenderHitTarget(this);
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pRender->PushRenderMode(RENDER_MODE_WIREFRAME);
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Vector Start, End;
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m_pStartEntity->GetOrigin(Start);
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m_pEndEntity->GetOrigin(End);
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CMeshBuilder meshBuilder;
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CMatRenderContextPtr pRenderContext( MaterialSystemInterface() );
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IMesh* pMesh = pRenderContext->GetDynamicMesh();
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// FIXME: Can't do this...! glLineWidth(2);
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meshBuilder.Begin( pMesh, MATERIAL_LINES, 1 );
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unsigned char color[3];
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if (IsSelected())
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{
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color[0] = SELECT_EDGE_RED;
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color[1] = SELECT_EDGE_GREEN;
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color[2] = SELECT_EDGE_BLUE;
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}
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else
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{
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color[0] = r;
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color[1] = g;
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color[2] = b;
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}
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meshBuilder.Color3ubv( color );
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meshBuilder.Position3f(Start.x, Start.y, Start.z);
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meshBuilder.AdvanceVertex();
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meshBuilder.Color3ubv( color );
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meshBuilder.Position3f(End.x, End.y, End.z);
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meshBuilder.AdvanceVertex();
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meshBuilder.End();
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pMesh->Draw();
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pRender->EndRenderHitTarget();
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pRender->PopRenderMode();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : File -
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// bRMF -
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// Output : int
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//-----------------------------------------------------------------------------
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int CMapLine::SerializeRMF(std::fstream &File, BOOL bRMF)
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{
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return(0);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : File -
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// bRMF -
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// Output : int
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//-----------------------------------------------------------------------------
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int CMapLine::SerializeMAP(std::fstream &File, BOOL bRMF)
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{
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return(0);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : pTransBox -
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//-----------------------------------------------------------------------------
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void CMapLine::DoTransform(const VMatrix &matrix)
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{
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BaseClass::DoTransform(matrix);
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BuildLine();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Updates the cached pointers to our start and end entities by looking
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// for them in the given world.
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// Input : pWorld - World to search.
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//-----------------------------------------------------------------------------
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void CMapLine::UpdateDependencies(CMapWorld *pWorld, CMapClass *pObject)
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{
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CMapClass::UpdateDependencies(pWorld, pObject);
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if (pWorld == NULL)
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{
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return;
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}
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CMapEntity *pEntity = dynamic_cast <CMapEntity *> (m_pParent);
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Assert(pEntity != NULL);
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if (pEntity != NULL)
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{
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const char *pszValue = pEntity->GetKeyValue(m_szStartValueKey);
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m_pStartEntity = (CMapEntity *)UpdateDependency(m_pStartEntity, pWorld->FindChildByKeyValue(m_szStartKey, pszValue));
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if (m_szEndValueKey[0] != '\0')
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{
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pszValue = pEntity->GetKeyValue(m_szEndValueKey);
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m_pEndEntity = (CMapEntity *)UpdateDependency(m_pEndEntity, pWorld->FindChildByKeyValue(m_szEndKey, pszValue));
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}
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else
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{
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// We don't have an end entity specified, use our parent as the end point.
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m_pEndEntity = (CMapEntity *)UpdateDependency(m_pEndEntity, GetParent());
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}
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BuildLine();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Never select anything because of this helper.
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//-----------------------------------------------------------------------------
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CMapClass *CMapLine::PrepareSelection(SelectMode_t eSelectMode)
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{
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return NULL;
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}
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