548 lines
17 KiB
C++
548 lines
17 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Handles parsing and routing of shell commands to their handlers.
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "stdafx.h"
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#include "MainFrm.h"
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#include "MapDoc.h"
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#include "MapEntity.h"
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#include "Shell.h"
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#include "hammer.h"
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#include "filesystem_helpers.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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//-----------------------------------------------------------------------------
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// Shell command handler function pointer.
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//-----------------------------------------------------------------------------
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typedef bool (CShell::*ShellHandlerFunc_t)(const char *pszCommand, const char *pszArguments);
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//-----------------------------------------------------------------------------
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// Dispatch table entry.
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//-----------------------------------------------------------------------------
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struct ShellDispatchTable_t
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{
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const char *pszCommand; // Name of command associated with this entry.
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ShellHandlerFunc_t pfnHandler; // Function handler for the command.
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};
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//-----------------------------------------------------------------------------
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// Dispatch table for shell commands.
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//-----------------------------------------------------------------------------
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ShellDispatchTable_t CShell::m_DispatchTable[] =
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{
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{ "session_begin", &CShell::BeginSession },
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{ "session_end", &CShell::EndSession },
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{ "entity_create", &CShell::EntityCreate },
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{ "entity_delete", &CShell::EntityDelete },
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{ "entity_set_keyvalue", &CShell::EntitySetKeyValue },
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{ "entity_rotate_incremental", &CShell::EntityRotateIncremental },
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{ "map_check_version", &CShell::CheckMapVersion },
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{ "node_create", &CShell::NodeCreate },
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{ "node_delete", &CShell::NodeDelete },
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{ "nodelink_create", &CShell::NodeLinkCreate },
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{ "nodelink_delete", &CShell::NodeLinkDelete },
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{ "release_video_memory", &CShell::ReleaseVideoMemory },
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{ "grab_video_memory", &CShell::GrabVideoMemory },
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};
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//-----------------------------------------------------------------------------
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// Purpose: Constructor.
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//-----------------------------------------------------------------------------
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CShell::CShell(void)
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{
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m_pDoc = NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor.
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//-----------------------------------------------------------------------------
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CShell::~CShell(void)
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Initiates a shell editing session.
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// Input : pszCommand - Should be "session_begin".
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// pszArguments - Filename and file version in the engine.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::BeginSession(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && !m_pDoc->IsShellSessionActive())
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{
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if (DoVersionCheck(pszArguments))
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{
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m_pDoc->BeginShellSession();
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return(true);
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Verifies that the map begine edited in the engine is the same name
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// and version as the active document. This prevents problems with
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// editing out of sync versions of the map via the engine.
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// Input : pszCommand - Should be "map_check_version".
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// pszArguments - Filename and file version in the engine.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::CheckMapVersion(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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return(DoVersionCheck(pszArguments));
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Verifies that the map being edited in the engine is the same name
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// and version as the active document. This prevents problems with
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// editing out of sync versions of the map via the engine.
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// Input : pszCommand -
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// pszArguments -
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::DoVersionCheck(const char *pszArguments)
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{
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if (m_pDoc != NULL)
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{
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char szEngineMapPath[MAX_PATH];
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int nEngineMapVersion;
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if (sscanf(pszArguments, "%s %d", szEngineMapPath, &nEngineMapVersion) == 2)
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{
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char szEngineMapName[MAX_PATH];
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_splitpath(szEngineMapPath, NULL, NULL, szEngineMapName, NULL);
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char szDocName[MAX_PATH];
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_splitpath(m_pDoc->GetPathName(), NULL, NULL, szDocName, NULL);
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int nDocVersion = m_pDoc->GetDocVersion();
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if (!stricmp(szDocName, szEngineMapName) && (nDocVersion == nEngineMapVersion))
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{
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return(true);
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}
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Verifies that the map begine edited in the engine is the same name
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// and version as the active document. This prevents problems with
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// editing out of sync versions of the map via the engine.
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// Input : pszCommand - Should be "session_end".
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// pszArguments - Filename and file version in the engine.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::EndSession(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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m_pDoc->EndShellSession();
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return(true);
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Creates an entity of a given class at a specified location.
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// Input : pszCommand - Should be "entity_create".
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// pszArguments - Class name of entity and x, y, z coordinate at which
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// to create it.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::EntityCreate(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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float x;
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float y;
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float z;
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char szClassName[MAX_PATH];
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if (sscanf(pszArguments, "%s %f %f %f", szClassName, &x, &y, &z) == 4)
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{
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bool bCreated = (m_pDoc->CreateEntity(szClassName, x, y, z) != NULL);
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return(bCreated);
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deletes an entity by class name and origin.
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// Input : pszCommand - Should be "entity_delete".
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// pszArguments - Class name of entity and x, y, z coordinates.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::EntityDelete(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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float x;
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float y;
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float z;
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char szClassName[MAX_PATH];
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if (sscanf(pszArguments, "%s %f %f %f", szClassName, &x, &y, &z) == 4)
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{
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bool bDeleted = m_pDoc->DeleteEntity(szClassName, x, y, z);
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return(bDeleted);
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}
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}
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return(false);
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}
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static void RotateMapEntity( CMapEntity *pEntity, const QAngle &rotation )
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{
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Vector origin;
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pEntity->GetOrigin( origin );
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QAngle hammerRotate;
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hammerRotate.Init( rotation.z, -rotation.x, rotation.y );
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pEntity->TransRotate( origin, hammerRotate );
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}
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bool CShell::EntityRotateIncremental(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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const int NUM_ROTATE_INCREMENTAL_ARGS = 7;
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float x;
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float y;
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float z;
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QAngle rotation;
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char szArgs[NUM_ROTATE_INCREMENTAL_ARGS][512]; // classname, x, y, z, ax, ay, az
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char token[1024];
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const char *pBuffer = pszArguments;
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int arg = 0;
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while ( pBuffer && arg < NUM_ROTATE_INCREMENTAL_ARGS )
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{
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pBuffer = ParseFile( pBuffer, token, NULL );
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if ( pBuffer )
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{
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Q_strncpy( szArgs[arg], token, ARRAYSIZE(szArgs[arg]) );
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arg++;
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}
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}
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if ( arg == NUM_ROTATE_INCREMENTAL_ARGS )
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{
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x = atof(szArgs[1]);
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y = atof(szArgs[2]);
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z = atof(szArgs[3]);
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CMapEntity *pEntity = m_pDoc->FindEntity(szArgs[0], x, y, z);
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if (pEntity != NULL)
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{
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rotation.x = atof(szArgs[4]);
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rotation.y = atof(szArgs[5]);
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rotation.z = atof(szArgs[6]);
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RotateMapEntity( pEntity, rotation );
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return true;
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}
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}
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}
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets a keyvalue on an entity, searching by classname & origin
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// Input : pszCommand - Should be "entity_delete".
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// pszArguments - Class name of entity and x, y, z coordinates.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::EntitySetKeyValue(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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const int NUM_KEY_VALUE_ARGS = 6;
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float x;
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float y;
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float z;
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char szArgs[NUM_KEY_VALUE_ARGS][512]; // classname, x, y, z, key, value
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char token[1024];
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const char *pBuffer = pszArguments;
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int arg = 0;
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while ( pBuffer && arg < NUM_KEY_VALUE_ARGS )
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{
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pBuffer = ParseFile( pBuffer, token, NULL );
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if ( pBuffer )
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{
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Q_strncpy( szArgs[arg], token, ARRAYSIZE(szArgs[arg]) );
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arg++;
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}
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}
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if ( arg == NUM_KEY_VALUE_ARGS )
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{
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x = atof(szArgs[1]);
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y = atof(szArgs[2]);
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z = atof(szArgs[3]);
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CMapEntity *pEntity = m_pDoc->FindEntity(szArgs[0], x, y, z);
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if (pEntity != NULL)
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{
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if ( !Q_stricmp( szArgs[4], "origin" ) )
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{
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Vector origin;
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sscanf(szArgs[5], "%f %f %f", &origin[0], &origin[1], &origin[2]);
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Vector oldOrigin;
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pEntity->GetOrigin( oldOrigin );
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pEntity->TransMove(origin - oldOrigin);
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}
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else if ( pEntity->IsSolidClass() && !Q_stricmp( szArgs[4], "angles" ) )
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{
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QAngle angles;
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sscanf(szArgs[5], "%f %f %f", &angles[0], &angles[1], &angles[2]);
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// build a relative transform from the previous state to the current state
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// NOTE: This only works once since solid classes destructively modify transform info (GetAngles always returns identity)
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// NOTE: Use rotateIncremental instead!
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QAngle oldAngles;
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pEntity->GetAngles( oldAngles );
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if ( oldAngles != angles )
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{
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QAngle xformAngles;
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RotationDelta( oldAngles, angles, &xformAngles );
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RotateMapEntity( pEntity, xformAngles );
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}
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}
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else
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{
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pEntity->SetKeyValue( szArgs[4], szArgs[5] );
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}
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return true;
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}
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}
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}
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Creates a navigation node of a given class at a specified location.
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// Input : pszCommand - Should be "node_create".
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// pszArguments - Class name of node to create, ID to assign it, and
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// x, y, z coordinate at which to create the node.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::NodeCreate(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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float x;
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float y;
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float z;
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int nID;
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char szClassName[MAX_PATH];
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if (sscanf(pszArguments, "%s %d %f %f %f", szClassName, &nID, &x, &y, &z) == 5)
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{
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m_pDoc->SetNextNodeID(nID);
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m_pDoc->CreateEntity(szClassName, x, y, z);
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return(true);
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deletes a navigation node by ID.
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// Input : pszCommand - Should be "node_delete".
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// pszArguments - Unique node ID of node to delete.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::NodeDelete(const char *pszCommand, const char *pszArguments)
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{
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bool bFound = false;
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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char szID[80];
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if (sscanf(pszArguments, "%s", szID) == 1)
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{
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CMapEntityList Found;
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if (m_pDoc->FindEntitiesByKeyValue(Found, "nodeid", szID, false))
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{
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FOR_EACH_OBJ( Found, pos )
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{
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CMapEntity *pEntity = Found.Element(pos);
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m_pDoc->DeleteObject(pEntity);
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bFound = true;
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}
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}
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}
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}
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return(bFound);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Creates a navigation node of a given class at a specified location.
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// Input : pszCommand - Should be "nodelink_create".
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// pszArguments - Node ids of start and end nodes, space delimited.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::NodeLinkCreate(const char *pszCommand, const char *pszArguments)
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{
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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char szIDStart[80];
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char szIDEnd[80];
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if (sscanf(pszArguments, "%s %s", szIDStart, szIDEnd) == 2)
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{
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//
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// It doesn't matter where we place it because it will move to the midpoint of the
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// start and end entities.
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//
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CMapEntity *pEntity = m_pDoc->CreateEntity("info_node_link", 0, 0, 0);
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if (pEntity != NULL)
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{
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pEntity->SetKeyValue("startnode", szIDStart);
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pEntity->SetKeyValue("endnode", szIDEnd);
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return(true);
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}
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Deletes a navigation node by class name and ID.
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// Input : pszCommand - Should be "node_delete".
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// pszArguments - Class name of node and unique node ID.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::NodeLinkDelete(const char *pszCommand, const char *pszArguments)
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{
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bool bFound = false;
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if ((m_pDoc != NULL) && m_pDoc->IsShellSessionActive())
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{
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char szIDStart[80];
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char szIDEnd[80];
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if (sscanf(pszArguments, "%s %s", szIDStart, szIDEnd) == 2)
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{
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//
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// Look for info_node_link entities with the appropriate start/end keys.
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//
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CMapEntityList Found;
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if (m_pDoc->FindEntitiesByClassName(Found, "info_node_link", false))
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{
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FOR_EACH_OBJ( Found, pos )
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{
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CMapEntity *pEntity = Found.Element(pos);
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const char *pszNode1 = pEntity->GetKeyValue("startnode");
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const char *pszNode2 = pEntity->GetKeyValue("endnode");
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if ((pszNode1 != NULL) && (pszNode2 != NULL))
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{
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if (((!stricmp(pszNode1, szIDStart)) && (!stricmp(pszNode2, szIDEnd))) ||
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((!stricmp(pszNode1, szIDEnd)) && (!stricmp(pszNode2, szIDStart))))
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{
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m_pDoc->DeleteObject(pEntity);
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bFound = true;
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}
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}
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}
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}
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}
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}
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return(bFound);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Releases all video memory
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// Input : pszCommand - Should be "release_video_memory".
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// pszArguments - None.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::ReleaseVideoMemory(const char *pszCommand, const char *pszArguments)
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{
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APP()->ReleaseVideoMemory();
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APP()->SuppressVideoAllocation(true);
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return(true);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Indicates it's safe to grab video memory
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// Input : pszCommand - Should be "grab_video_memory".
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// pszArguments - None.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::GrabVideoMemory(const char *pszCommand, const char *pszArguments)
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{
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APP()->SuppressVideoAllocation(false);
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return(true);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Attempts to fund a command in the dispatch table, then routes the
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// command and its arguments to the handler, if found.
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// Input : pszCommand - Command and arguments.
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CShell::RunCommand(const char *pszCommand)
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{
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for (int nCommand = 0; nCommand < sizeof(m_DispatchTable) / sizeof(m_DispatchTable[0]); nCommand++)
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{
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int nCommandLen = strlen(m_DispatchTable[nCommand].pszCommand);
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if (!_strnicmp(pszCommand, m_DispatchTable[nCommand].pszCommand, nCommandLen))
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{
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return((this->*m_DispatchTable[nCommand].pfnHandler)(m_DispatchTable[nCommand].pszCommand, &pszCommand[nCommandLen]));
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}
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}
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return(false);
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sets the map document that this shell should operate on.
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// Input : pDoc - Pointer to document.
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//-----------------------------------------------------------------------------
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void CShell::SetDocument(CMapDoc *pDoc)
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{
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m_pDoc = pDoc;
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}
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