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game/client/tf2/minimap_trace.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef MINIMAP_ENTITY_H
+#define MINIMAP_ENTITY_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "hud_minimap.h"
+#include "TeamBitmapImage.h"
+#include "vgui_bitmapimage.h"
+#include <vgui_controls/Panel.h>
+
+
+// FIXME: Need to put the team color somewhere...
+// Get the team color...
+extern int g_TeamColor[3][3];
+
+
+//-----------------------------------------------------------------------------
+// A base minimap panel meant to be attached to an entity.
+// NOTE: paint() will never be called unless the entity is currently valid
+//-----------------------------------------------------------------------------
+class C_BaseEntity;
+
+class CMinimapTracePanel : public vgui::Panel
+{
+	DECLARE_CLASS_GAMEROOT( CMinimapTracePanel, vgui::Panel );
+
+public:
+				CMinimapTracePanel( vgui::Panel *parent, const char *panelName );
+	virtual		~CMinimapTracePanel();
+
+	bool	Init( KeyValues* pKeyValues, MinimapInitData_t* pMinimapData );
+
+	// Causes the minimap panel to not be visible
+	void	SetTraceVisibility( bool bVisible );
+
+	// called when we're ticked...
+	virtual void	OnTick( void );
+
+protected:
+	// Can be overridden; it's called once a frame and returns true if the
+	// object is visible to the minimap or not.	X and Y are the position of the
+	// entity in minimap space
+	virtual bool ComputeVisibility( );
+
+	// Computes a panel alpha based on zoom level...
+	float ComputePanelAlpha();
+
+	// Called by derived classes before drawing to determine if the entity is visible.
+	// Also sets the vgui surface color based on the team.
+	bool	BeginRender( CMinimapPanel* pPanel, float &x, float &y, int &team ) { return false; }
+
+	// Computes the entity position in minimap panel coordinates
+	bool	GetEntityPosition( float &x, float &y );
+
+	// Sets the position of the trace in world space
+	void	SetPosition( const Vector &vecPosition );
+
+	// Entity accessors
+	C_BaseEntity* GetEntity();
+	void SetEntity( C_BaseEntity* pEntity );
+
+protected:
+	// Bitmap positional offset
+	int m_OffsetX;
+	int m_OffsetY;
+
+	int m_SizeW;
+	int m_SizeH;
+
+	// Indicates we should clip to the map
+	bool	m_bClipToMap;
+
+	bool	m_bCanScale;
+
+private:
+	// Indicates if we're faded out when zoomed in
+	bool	m_bVisibleWhenZoomedIn;
+
+	// Indicates we should always draw, even if we're off the map
+	bool	m_bClampToMap;
+
+	// Are we invisible because the entity wants us invisible?
+	bool	m_bVisible;
+
+	// This is the entity to which we're attached
+	C_BaseEntity *m_pEntity;
+
+	// This is the location of the panel in world space
+	Vector	m_vecPosition;
+
+	// lifetime of the minimap panel
+	float	m_flDeletionTime;
+};
+
+
+//-----------------------------------------------------------------------------
+// A standard minimap panel that displays a bitmap
+//-----------------------------------------------------------------------------
+class CMinimapTraceBitmapPanel : public CMinimapTracePanel
+{
+	DECLARE_CLASS( CMinimapTraceBitmapPanel, CMinimapTracePanel );
+
+public:
+	CMinimapTraceBitmapPanel( vgui::Panel *parent, const char *panelName )
+		: BaseClass ( parent, panelName )
+	{
+	}
+
+	// Sets the bitmap and size
+	virtual bool Init( KeyValues* pKeyValues, MinimapInitData_t* pInitData );
+
+	// Performs the rendering...
+ 	virtual void Paint();
+
+protected:
+	BitmapImage m_Image;
+};
+
+
+//-----------------------------------------------------------------------------
+// A standard minimap panel that displays a bitmap based on entity team
+//-----------------------------------------------------------------------------
+class CMinimapTraceTeamBitmapPanel : public CMinimapTracePanel
+{
+	DECLARE_CLASS( CMinimapTraceTeamBitmapPanel, CMinimapTracePanel );
+
+public:
+	CMinimapTraceTeamBitmapPanel( vgui::Panel *parent, const char *panelName )
+		: BaseClass ( parent, panelName )
+	{
+	}
+
+	// Sets the bitmap and size
+	virtual bool Init( KeyValues* pKeyValues, MinimapInitData_t* pInitData );
+
+	// Performs the rendering...
+ 	virtual void Paint();
+
+protected:
+	CTeamBitmapImage m_TeamImage;
+};
+
+
+#endif // MINIMAP_ENTITY_H