Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Tool used for picking entities for filling out entity properties and
// I/O connections. Anywhere you see an entity name field there should
// be an eyedropper button next to it for picking the entity.
//
// TODO: make the entity field / picker button a single control?
// TODO: combine the face picker with the entity picker?
//
//=============================================================================//
#ifndef TOOLPICKENTITY_H
#define TOOLPICKENTITY_H
#ifdef _WIN32
#pragma once
#endif
#include "MapEntity.h"
#include "ToolInterface.h"
class CMapView3D;
class CMapViewLogical;
class CToolPickEntity;
//
// Selection states for entries in our list of selected faces.
//
enum EntityState_t
{
EntityState_Select = 0, //
EntityState_Partial, // Used for multiselect; the face is in at least one of the face lists being edited.
EntityState_None, // Used for multiselect; to deselect partially selected faces. Otherwise they are removed from the list.
};
//
// An entry in our list of selected entities.
//
struct SelectedEntity_t
{
CMapEntity *pEntity; // Pointer to the entity.
EntityState_t eState; // The current selection state of this entity.
EntityState_t eOriginalState; // The original selection state of this entity.
};
//
// Interface for notification by the entity picking tool. Inherit from this if you
// are a client of the entity picker.
//
class IPickEntityTarget
{
public:
virtual void OnNotifyPickEntity(CToolPickEntity *pTool) = 0;
};
class CToolPickEntity : public CBaseTool
{
public:
//
// Constructor/Destructor
//
CToolPickEntity();
~CToolPickEntity();
//
// CBaseTool virtual implementations
//
virtual void OnDeactivate();
virtual ToolID_t GetToolID(void) { return TOOL_PICK_ENTITY; }
virtual bool OnLMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnLMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnLMouseDblClk3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnRMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnRMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnMouseMove3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnLMouseUpLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint) { return true; }
virtual bool OnLMouseDownLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint);
virtual bool OnLMouseDblClkLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint) { return true; }
virtual bool OnRMouseUpLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint) { return true; }
virtual bool OnRMouseDownLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint) { return true; }
virtual bool OnMouseMoveLogical(CMapViewLogical *pView, UINT nFlags, const Vector2D &vPoint);
//
// Functions specific to this tool.
//
inline void Attach(IPickEntityTarget *pTarget);
void AllowMultiSelect(bool bAllow);
void GetSelectedEntities(CMapEntityList &EntityListFull, CMapEntityList &EntityListPartial);
void SetSelectedEntities(CMapEntityList &EntityListFull, CMapEntityList &EntityListPartial);
protected:
void CycleSelectEntity(CMapEntity *pEntity);
void DeselectAll(void);
void DeselectEntity(int nIndex);
void DeselectEntity(CMapEntity *pEntity);
int FindEntity(CMapEntity *pEntity);
void SelectEntity(CMapEntity *pEntity);
void AddToList(CMapEntity *pEntity, EntityState_t eState);
void RemoveFromList(int nIndex);
void SetEyedropperCursor(void);
IPickEntityTarget *m_pNotifyTarget; // Object to notify when selection events occur.
bool m_bAllowMultiSelect; // If false, only one entity can be selected at a time.
CUtlVector <SelectedEntity_t> m_Entities; // Picked entities and their selection state (partial or full).
};
//-----------------------------------------------------------------------------
// Purpose: Attaches the given notification target to this tool. That object
// will be used for all future notifications and updates by the tool.
//-----------------------------------------------------------------------------
void CToolPickEntity::Attach(IPickEntityTarget *pNotifyTarget)
{
m_pNotifyTarget = pNotifyTarget;
}
#endif // TOOLPICKENTITY_H