1 files changed, 587 insertions, 0 deletions
diff --git a/game/client/hl2/hud_radar.cpp b/game/client/hl2/hud_radar.cpp
new file mode 100644
index 0000000..2f0fd7e
--- /dev/null
+++ b/game/client/hl2/hud_radar.cpp
@@ -0,0 +1,587 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include <vgui/ISurface.h>
+#include "hud_numericdisplay.h"
+#include "iclientmode.h"
+#include <coordsize.h>
+#include "hud_macros.h"
+#include "vgui/IVGui.h"
+#include "vgui/ILocalize.h"
+#include "mapoverview.h"
+#include "hud_radar.h"
+#include "iclientvehicle.h"
+
+#define RADAR_DOT_NORMAL		0
+#define RADAR_IGNORE_Z			(1<<6)	//always draw this item as if it was at the same Z as the player
+#define RADAR_MAX_GHOST_ALPHA	25
+
+DECLARE_VGUI_SCREEN_FACTORY( CHudRadar, "jalopy_radar_panel" );
+
+#define RADAR_PANEL_MATERIAL			"vgui/screens/radar"
+#define RADAR_CONTACT_LAMBDA_MATERIAL	"vgui/icons/icon_lambda"	// Lambda cache
+#define RADAR_CONTACT_BUSTER_MATERIAL	"vgui/icons/icon_buster"	// Striderbuster
+#define RADAR_CONTACT_STRIDER_MATERIAL	"vgui/icons/icon_strider"	// Strider
+#define RADAR_CONTACT_DOG_MATERIAL		"vgui/icons/icon_dog"		// Dog
+#define RADAR_CONTACT_BASE_MATERIAL		"vgui/icons/icon_base"		// Ally base
+
+static CHudRadar *s_Radar = NULL;
+
+CHudRadar *GetHudRadar()
+{
+	return s_Radar;
+}
+
+DECLARE_HUDELEMENT( CMapOverview );
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+CHudRadar::CHudRadar( vgui::Panel *parent, const char *panelName ) : BaseClass( parent, panelName )
+{
+	m_pVehicle = NULL;
+	m_iImageID = -1;
+	m_textureID_IconLambda = -1;
+	m_textureID_IconBuster = -1;
+	m_textureID_IconStrider = -1;
+	m_textureID_IconDog = -1;
+	m_textureID_IconBase = -1;
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+CHudRadar::~CHudRadar()
+{
+	s_Radar = NULL;
+
+#if defined(_X360)
+	if( m_iImageID != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_iImageID );
+		m_iImageID  = -1;
+	}
+
+	if( m_textureID_IconLambda != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_textureID_IconLambda );
+		m_textureID_IconLambda  = -1;
+	}
+
+	if( m_textureID_IconBuster != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_textureID_IconBuster );
+		m_textureID_IconBuster  = -1;
+	}
+
+	if( m_textureID_IconStrider != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_textureID_IconStrider );
+		m_textureID_IconStrider  = -1;
+	}
+
+	if( m_textureID_IconDog != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_textureID_IconDog );
+		m_textureID_IconDog  = -1;
+	}
+
+	if( m_textureID_IconBase != -1 )
+	{
+		vgui::surface()->DestroyTextureID( m_textureID_IconBase );
+		m_textureID_IconBase  = -1;
+	}
+#endif//_X360
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+bool CHudRadar::Init( KeyValues* pKeyValues, VGuiScreenInitData_t* pInitData )
+{
+	bool result = BaseClass::Init( pKeyValues, pInitData );
+	ClearAllRadarContacts();
+	s_Radar = this;
+
+	m_ghostAlpha = 0;
+	m_flTimeStartGhosting = gpGlobals->curtime + 1.0f;
+
+	return result;
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+void CHudRadar::VidInit(void)
+{
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+void CHudRadar::MsgFunc_UpdateRadar(bf_read &msg )
+{
+}
+
+//---------------------------------------------------------
+// Purpose: Register a radar contact in the list of contacts
+//---------------------------------------------------------
+void CHudRadar::AddRadarContact( const Vector &vecOrigin, int iType, float flTimeToLive )
+{
+	if( m_iNumRadarContacts == RADAR_MAX_CONTACTS )
+		return;
+
+	Vector v = vecOrigin;
+	int iExistingContact = FindRadarContact( vecOrigin );
+
+	if( iExistingContact > -1 )
+	{
+		// Just update this contact.
+		m_radarContacts[iExistingContact].m_flTimeToRemove = gpGlobals->curtime + flTimeToLive;
+		return;
+	}
+
+	m_radarContacts[m_iNumRadarContacts].m_vecOrigin = vecOrigin;
+	m_radarContacts[m_iNumRadarContacts].m_iType = iType;
+	m_radarContacts[m_iNumRadarContacts].m_flTimeToRemove = gpGlobals->curtime + flTimeToLive;
+	m_iNumRadarContacts++;
+}
+
+//---------------------------------------------------------
+// Purpose: Search the contact list for a specific contact
+//---------------------------------------------------------
+int CHudRadar::FindRadarContact( const Vector &vecOrigin )
+{
+	for( int i = 0 ; i < m_iNumRadarContacts ; i++ )
+	{
+		if( m_radarContacts[ i ].m_vecOrigin == vecOrigin )
+			return i;
+	}
+
+	return -1;
+}
+
+//---------------------------------------------------------
+// Purpose: Go through all radar targets and see if any
+//			have expired. If yes, remove them from the
+//			list.
+//---------------------------------------------------------
+void CHudRadar::MaintainRadarContacts()
+{
+	bool bKeepWorking = true;
+	while( bKeepWorking )
+	{
+		bKeepWorking = false;
+		for( int i = 0 ; i < m_iNumRadarContacts ; i++ )
+		{
+			CRadarContact *pContact = &m_radarContacts[ i ];
+			if( gpGlobals->curtime >= pContact->m_flTimeToRemove )
+			{
+				// Time for this guy to go. Easiest thing is just to copy the last element 
+				// into this element's spot and then decrement the count of entities.
+				bKeepWorking = true;
+
+				m_radarContacts[ i ] = m_radarContacts[ m_iNumRadarContacts - 1 ];
+				m_iNumRadarContacts--;
+				break;
+			}
+		}
+	} 
+}
+
+//---------------------------------------------------------
+//---------------------------------------------------------
+void CHudRadar::SetVisible(bool state)
+{
+	BaseClass::SetVisible(state);
+
+	if( g_pMapOverview  &&  g_pMapOverview->GetMode() == CMapOverview::MAP_MODE_RADAR )
+	{
+		// We are the hud element still, but he is in charge of the new style now.
+		g_pMapOverview->SetVisible( state );		
+	}
+}
+
+#define RADAR_BLIP_FADE_TIME 1.0f
+#define RADAR_USE_ICONS			1
+//---------------------------------------------------------
+// Purpose: Draw the radar panel.
+//			We're probably doing too much other work in here
+//---------------------------------------------------------
+void CHudRadar::Paint()
+{
+	if (m_iImageID == -1 )
+	{
+		// Set up the image ID's if they've somehow gone bad.
+		m_textureID_IconLambda = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_textureID_IconLambda, RADAR_CONTACT_LAMBDA_MATERIAL, true, false );
+
+		m_textureID_IconBuster = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_textureID_IconBuster, RADAR_CONTACT_BUSTER_MATERIAL, true, false );
+
+		m_textureID_IconStrider = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_textureID_IconStrider, RADAR_CONTACT_STRIDER_MATERIAL, true, false );
+
+		m_textureID_IconDog = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_textureID_IconDog, RADAR_CONTACT_DOG_MATERIAL, true, false );
+
+		m_textureID_IconBase = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_textureID_IconBase, RADAR_CONTACT_BASE_MATERIAL, true, false );
+
+		m_iImageID = vgui::surface()->CreateNewTextureID();
+		vgui::surface()->DrawSetTextureFile( m_iImageID, RADAR_PANEL_MATERIAL, true, false );
+	}
+
+	// Draw the radar background.
+	int wide, tall;
+	GetSize(wide, tall);
+	int alpha = 255;
+	vgui::surface()->DrawSetColor(255, 255, 255, alpha);
+	vgui::surface()->DrawSetTexture(m_iImageID);
+	vgui::surface()->DrawTexturedRect(0, 0, wide, tall);
+
+	// Manage the CRT 'ghosting' effect
+	if( gpGlobals->curtime > m_flTimeStartGhosting )
+	{
+		if( m_ghostAlpha < RADAR_MAX_GHOST_ALPHA )
+		{
+			m_ghostAlpha++;
+		}
+		else
+		{
+			m_flTimeStartGhosting = FLT_MAX;
+			m_flTimeStopGhosting = gpGlobals->curtime + RandomFloat( 1.0f, 2.0f );// How long to ghost for
+		}
+	}
+	else if( gpGlobals->curtime > m_flTimeStopGhosting )
+	{
+		// We're supposed to stop ghosting now.
+		if( m_ghostAlpha > 0 )
+		{
+			// Still fading the effects.
+			m_ghostAlpha--;
+		}
+		else
+		{
+			// DONE fading the effects. Now stop ghosting for a short while
+			m_flTimeStartGhosting = gpGlobals->curtime + RandomFloat( 2.0f, 3.0f );// how long between ghosts
+			m_flTimeStopGhosting = FLT_MAX;
+		}
+	}
+
+	// Now go through the list of radar targets and represent them on the radar screen
+	// by drawing their icons on top of the background.
+	C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
+
+	for( int i = 0 ; i < m_iNumRadarContacts ; i++ )
+	{
+		int alpha = 90;
+		CRadarContact *pContact = &m_radarContacts[ i ];
+		float deltaT = pContact->m_flTimeToRemove - gpGlobals->curtime;
+		if ( deltaT < RADAR_BLIP_FADE_TIME )
+		{
+			float factor = deltaT / RADAR_BLIP_FADE_TIME;
+
+			alpha = (int) ( ((float)alpha) * factor );
+
+			if( alpha < 10 )
+				alpha = 10;
+		}
+
+		if( RADAR_USE_ICONS )
+		{
+			int flicker = RandomInt( 0, 30 );
+			DrawIconOnRadar( pContact->m_vecOrigin, pLocalPlayer, pContact->m_iType, RADAR_IGNORE_Z, 255, 255, 255, alpha + flicker );
+		}
+		else
+		{
+			DrawPositionOnRadar( pContact->m_vecOrigin, pLocalPlayer, pContact->m_iType, RADAR_IGNORE_Z, 255, 255, 255, alpha );
+		}
+	}
+
+	MaintainRadarContacts();
+}
+
+ConVar radar_range("radar_range", "3000" ); // 180 feet
+//---------------------------------------------------------
+// Scale maps the distance of the target from the radar 
+// source. 
+//
+//		1.0 = target at or beyond radar range.
+//		0.5 = target at (radar_range * 0.5) units distance
+//		0.25 = target at (radar_range * 0.25) units distance
+//		-etc-
+//---------------------------------------------------------
+bool CHudRadar::WorldToRadar( const Vector location, const Vector origin, const QAngle angles, float &x, float &y, float &z_delta, float &scale )
+{
+	bool bInRange = true;
+
+	float x_diff = location.x - origin.x;
+	float y_diff = location.y - origin.y;
+
+	// Supply epsilon values to avoid divide-by-zero
+	if(x_diff == 0)
+		x_diff = 0.00001f;
+
+	if(y_diff == 0)
+		y_diff = 0.00001f;
+
+	int iRadarRadius = GetWide();									//width of the panel
+	float fRange = radar_range.GetFloat();
+
+	// This magic /2.15 makes the radar scale seem smaller than the VGUI panel so the icons clamp
+	// to the outer ring in the radar graphic, not the very edge of the panel itself.
+	float fScale = (iRadarRadius/2.15f) / fRange;					
+
+	float flOffset = atan(y_diff/x_diff);
+	flOffset *= 180;
+	flOffset /= M_PI;
+
+	if ((x_diff < 0) && (y_diff >= 0))
+		flOffset = 180 + flOffset;
+	else if ((x_diff < 0) && (y_diff < 0))
+		flOffset = 180 + flOffset;
+	else if ((x_diff >= 0) && (y_diff < 0))
+		flOffset = 360 + flOffset;
+
+	y_diff = -1*(sqrt((x_diff)*(x_diff) + (y_diff)*(y_diff)));
+	x_diff = 0;
+
+	flOffset = angles.y - flOffset;
+
+	flOffset *= M_PI;
+	flOffset /= 180;		// now theta is in radians
+
+	// Transform relative to radar source
+	float xnew_diff = x_diff * cos(flOffset) - y_diff * sin(flOffset);
+	float ynew_diff = x_diff * sin(flOffset) + y_diff * cos(flOffset);
+
+	if ( (-1 * y_diff) > fRange )
+	{
+		float flScale;
+
+		flScale = ( -1 * y_diff) / fRange;
+
+		xnew_diff /= (flScale);
+		ynew_diff /= (flScale);
+
+		bInRange = false;
+
+		scale = 1.0f;
+	}
+	else
+	{
+		// scale
+		float flDist = sqrt( ((xnew_diff)*(xnew_diff) + (ynew_diff)*(ynew_diff)) );
+		scale = flDist / fRange;
+	}
+
+
+	// Scale the dot's position to match radar scale
+	xnew_diff *= fScale;
+	ynew_diff *= fScale;
+
+	// Translate to screen coordinates
+	x = (iRadarRadius/2) + (int)xnew_diff;
+	y = (iRadarRadius/2) + (int)ynew_diff;
+	z_delta = 0.0f;
+
+	return bInRange;
+}
+
+void CHudRadar::DrawPositionOnRadar( Vector vecPos, C_BasePlayer *pLocalPlayer, int type, int flags, int r, int g, int b, int a )
+{
+	float x, y, z_delta;
+	int iBaseDotSize = 3;
+
+	QAngle viewAngle = pLocalPlayer->EyeAngles();
+
+	if( m_pVehicle != NULL )
+	{
+		viewAngle = m_pVehicle->GetAbsAngles();
+		viewAngle.y += 90.0f;
+	}
+
+	float flScale;
+
+	WorldToRadar( vecPos, pLocalPlayer->GetAbsOrigin(), viewAngle, x, y, z_delta, flScale );
+
+	if( flags & RADAR_IGNORE_Z )
+		z_delta = 0;
+
+	switch( type )
+	{
+	case RADAR_CONTACT_GENERIC:
+		r =	255;	g = 170;	b = 0;
+		iBaseDotSize *= 2;
+		break;
+	case RADAR_CONTACT_MAGNUSSEN_RDU:
+		r =	0;		g = 200;	b = 255;
+		iBaseDotSize *= 2;
+		break;
+	case RADAR_CONTACT_ENEMY:
+		r = 255;	g = 0;	b = 0;
+		iBaseDotSize *= 2;
+		break;
+	case RADAR_CONTACT_LARGE_ENEMY:
+		r = 255;	g = 0;	b = 0;
+		iBaseDotSize *= 3;
+		break;
+	}
+
+	DrawRadarDot( x, y, z_delta, iBaseDotSize, flags, r, g, b, a );
+}
+
+//---------------------------------------------------------
+// Purpose: Compute the proper position on the radar screen
+//			for this object's position relative to the player.
+//			Then draw the icon in the proper location on the
+//			radar screen.
+//---------------------------------------------------------
+#define RADAR_ICON_MIN_SCALE	0.75f
+#define RADAR_ICON_MAX_SCALE	1.0f
+void CHudRadar::DrawIconOnRadar( Vector vecPos, C_BasePlayer *pLocalPlayer, int type, int flags, int r, int g, int b, int a )
+{
+	float x, y, z_delta;
+	int wide, tall;
+
+	// for 'ghosting' CRT effects:
+	int xmod;
+	int ymod;
+	int xoffset;
+	int yoffset;
+
+	// Assume we're going to use the player's location and orientation
+	QAngle viewAngle = pLocalPlayer->EyeAngles();
+	Vector viewOrigin = pLocalPlayer->GetAbsOrigin();
+
+	// However, happily use those of the vehicle if available!
+	if( m_pVehicle != NULL )
+	{
+		viewAngle = m_pVehicle->GetAbsAngles();
+		viewAngle.y += 90.0f;
+		viewOrigin = m_pVehicle->WorldSpaceCenter();
+	}
+
+	float flScale;
+
+	WorldToRadar( vecPos, viewOrigin, viewAngle, x, y, z_delta, flScale );
+
+	flScale = RemapVal( flScale, 1.0f, 0.0f, RADAR_ICON_MIN_SCALE, RADAR_ICON_MAX_SCALE );
+
+	// Get the correct icon for this type of contact
+	int iTextureID_Icon = -1;
+
+	switch( type )
+	{
+	case RADAR_CONTACT_GENERIC:
+		iTextureID_Icon = m_textureID_IconLambda;
+		break;
+	case RADAR_CONTACT_MAGNUSSEN_RDU:
+		iTextureID_Icon = m_textureID_IconBuster;
+		break;
+	case RADAR_CONTACT_LARGE_ENEMY:
+	case RADAR_CONTACT_ENEMY:
+		iTextureID_Icon = m_textureID_IconStrider;
+		break;
+	case RADAR_CONTACT_DOG:
+		iTextureID_Icon = m_textureID_IconDog;
+		break;
+	case RADAR_CONTACT_ALLY_INSTALLATION:
+		iTextureID_Icon = m_textureID_IconBase;
+		break;
+	default:
+		return;
+		break;
+	}
+
+	vgui::surface()->DrawSetColor( r, g, b, a );
+	vgui::surface()->DrawSetTexture( iTextureID_Icon );
+	vgui::surface()->DrawGetTextureSize( iTextureID_Icon, wide, tall );
+
+	wide = ( int((float)wide * flScale) );
+	tall = ( int((float)tall * flScale) );
+
+	if( type == RADAR_CONTACT_LARGE_ENEMY )
+	{
+		wide *= 2;
+		tall *= 2;
+	}
+
+	// Center the icon around its position.
+	x -= (wide >> 1);
+	y -= (tall >> 1);
+
+	vgui::surface()->DrawTexturedRect(x, y, x+wide, y+tall);
+
+	// Draw the crt 'ghost' if the icon is not pegged to the outer rim
+	if( flScale > RADAR_ICON_MIN_SCALE && m_ghostAlpha > 0 )
+	{
+		vgui::surface()->DrawSetColor( r, g, b, m_ghostAlpha );
+		xmod = RandomInt( 1, 4 );
+		ymod = RandomInt( 1, 4 );
+		xoffset = RandomInt( -1, 1 );
+		yoffset = RandomInt( -1, 1 );
+		x -= (xmod - xoffset);
+		y -= (ymod - yoffset);
+		wide += (xmod + xoffset);
+		tall += (ymod + yoffset);
+		vgui::surface()->DrawTexturedRect(x, y, x+wide, y+tall);
+	}
+}
+
+void CHudRadar::FillRect( int x, int y, int w, int h )
+{
+	int panel_x, panel_y, panel_w, panel_h;
+	GetBounds( panel_x, panel_y, panel_w, panel_h );
+	vgui::surface()->DrawFilledRect( x, y, x+w, y+h );
+}
+
+void CHudRadar::DrawRadarDot( int x, int y, float z_diff, int iBaseDotSize, int flags, int r, int g, int b, int a )
+{
+	vgui::surface()->DrawSetColor( r, g, b, a );
+
+	if ( z_diff < -128 ) // below the player
+	{
+		z_diff *= -1;
+
+		if ( z_diff > 3096 )
+		{
+			z_diff = 3096;
+		}
+
+		int iBar = (int)( z_diff / 400 ) + 2;
+
+		// Draw an upside-down T shape to symbolize the dot is below the player.
+
+		iBaseDotSize /= 2;
+
+		//horiz
+		FillRect( x-(2*iBaseDotSize), y, 5*iBaseDotSize, iBaseDotSize );
+
+		//vert
+		FillRect( x, y - iBar*iBaseDotSize, iBaseDotSize, iBar*iBaseDotSize );
+	}
+	else if ( z_diff > 128 ) // above the player
+	{
+		if ( z_diff > 3096 )
+		{
+			z_diff = 3096;
+		}
+
+		int iBar = (int)( z_diff / 400 ) + 2;
+
+		iBaseDotSize /= 2;
+		
+		// Draw a T shape to symbolize the dot is above the player.
+
+		//horiz
+		FillRect( x-(2*iBaseDotSize), y, 5*iBaseDotSize, iBaseDotSize );
+
+		//vert
+		FillRect( x, y, iBaseDotSize, iBar*iBaseDotSize );
+	}
+	else 
+	{
+		FillRect( x, y, iBaseDotSize, iBaseDotSize );
+	}
+}