mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 06:36:54 +00:00
320 lines
9.4 KiB
C++
320 lines
9.4 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Hud locator element, helps direct the player to objects in the world
|
|
//
|
|
//=============================================================================//
|
|
|
|
#include "cbase.h"
|
|
#include "hudelement.h"
|
|
#include "hud_numericdisplay.h"
|
|
#include <vgui_controls/Panel.h>
|
|
#include "hud.h"
|
|
#include "hud_suitpower.h"
|
|
#include "hud_macros.h"
|
|
#include "iclientmode.h"
|
|
#include <vgui_controls/AnimationController.h>
|
|
#include <vgui/ISurface.h>
|
|
#include "c_basehlplayer.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
#define LOCATOR_MATERIAL_JALOPY "vgui/icons/icon_jalopy"
|
|
#define LOCATOR_MATERIAL_BIG_TICK "vgui/icons/tick_long"
|
|
#define LOCATOR_MATERIAL_SMALL_TICK "vgui/icons/tick_short"
|
|
|
|
ConVar hud_locator_alpha( "hud_locator_alpha", "230" );
|
|
ConVar hud_locator_fov("hud_locator_fov", "350" );
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Shows positions of objects relative to the player.
|
|
//-----------------------------------------------------------------------------
|
|
class CHudLocator : public CHudElement, public vgui::Panel
|
|
{
|
|
DECLARE_CLASS_SIMPLE( CHudLocator, vgui::Panel );
|
|
|
|
public:
|
|
CHudLocator( const char *pElementName );
|
|
virtual ~CHudLocator( void );
|
|
|
|
virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
|
|
void VidInit( void );
|
|
bool ShouldDraw();
|
|
|
|
protected:
|
|
void FillRect( int x, int y, int w, int h );
|
|
float LocatorXPositionForYawDiff( float yawDiff );
|
|
void DrawGraduations( float flYawPlayerFacing );
|
|
virtual void Paint();
|
|
|
|
private:
|
|
void Reset( void );
|
|
|
|
int m_textureID_IconJalopy;
|
|
int m_textureID_IconBigTick;
|
|
int m_textureID_IconSmallTick;
|
|
|
|
Vector m_vecLocation;
|
|
};
|
|
|
|
using namespace vgui;
|
|
|
|
#ifdef HL2_EPISODIC
|
|
DECLARE_HUDELEMENT( CHudLocator );
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Constructor
|
|
//-----------------------------------------------------------------------------
|
|
CHudLocator::CHudLocator( const char *pElementName ) : CHudElement( pElementName ), BaseClass( NULL, "HudLocator" )
|
|
{
|
|
vgui::Panel *pParent = g_pClientMode->GetViewport();
|
|
SetParent( pParent );
|
|
|
|
SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD | HIDEHUD_NEEDSUIT );
|
|
|
|
m_textureID_IconJalopy = -1;
|
|
m_textureID_IconSmallTick = -1;
|
|
m_textureID_IconBigTick = -1;
|
|
}
|
|
|
|
CHudLocator::~CHudLocator( void )
|
|
{
|
|
if ( vgui::surface() )
|
|
{
|
|
if ( m_textureID_IconJalopy != -1 )
|
|
{
|
|
vgui::surface()->DestroyTextureID( m_textureID_IconJalopy );
|
|
m_textureID_IconJalopy = -1;
|
|
}
|
|
|
|
if ( m_textureID_IconSmallTick != -1 )
|
|
{
|
|
vgui::surface()->DestroyTextureID( m_textureID_IconSmallTick );
|
|
m_textureID_IconSmallTick = -1;
|
|
}
|
|
|
|
if ( m_textureID_IconBigTick != -1 )
|
|
{
|
|
vgui::surface()->DestroyTextureID( m_textureID_IconBigTick );
|
|
m_textureID_IconBigTick = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *pScheme -
|
|
//-----------------------------------------------------------------------------
|
|
void CHudLocator::ApplySchemeSettings( vgui::IScheme *pScheme )
|
|
{
|
|
BaseClass::ApplySchemeSettings(pScheme);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
void CHudLocator::VidInit( void )
|
|
{
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
bool CHudLocator::ShouldDraw( void )
|
|
{
|
|
C_BaseHLPlayer *pPlayer = (C_BaseHLPlayer *)C_BasePlayer::GetLocalPlayer();
|
|
if ( !pPlayer )
|
|
return false;
|
|
|
|
if( pPlayer->GetVehicle() )
|
|
return false;
|
|
|
|
if( pPlayer->m_HL2Local.m_vecLocatorOrigin == vec3_invalid )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Start with our background off
|
|
//-----------------------------------------------------------------------------
|
|
void CHudLocator::Reset( void )
|
|
{
|
|
m_vecLocation = Vector( 0, 0, 0 );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Make it a bit more convenient to do a filled rect.
|
|
//-----------------------------------------------------------------------------
|
|
void CHudLocator::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 );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//-----------------------------------------------------------------------------
|
|
float CHudLocator::LocatorXPositionForYawDiff( float yawDiff )
|
|
{
|
|
float fov = hud_locator_fov.GetFloat() / 2;
|
|
float remappedAngle = RemapVal( yawDiff, -fov, fov, -90, 90 );
|
|
float cosine = sin(DEG2RAD(remappedAngle));
|
|
int element_wide = GetWide();
|
|
|
|
float position = (element_wide>>1) + ((element_wide>>1) * cosine);
|
|
|
|
return position;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Draw the tickmarks on the locator
|
|
//-----------------------------------------------------------------------------
|
|
#define NUM_GRADUATIONS 16.0f
|
|
void CHudLocator::DrawGraduations( float flYawPlayerFacing )
|
|
{
|
|
int icon_wide, icon_tall;
|
|
int xPos, yPos;
|
|
float fov = hud_locator_fov.GetFloat() / 2;
|
|
|
|
if( m_textureID_IconBigTick == -1 )
|
|
{
|
|
m_textureID_IconBigTick = vgui::surface()->CreateNewTextureID();
|
|
vgui::surface()->DrawSetTextureFile( m_textureID_IconBigTick, LOCATOR_MATERIAL_BIG_TICK, true, false );
|
|
}
|
|
|
|
if( m_textureID_IconSmallTick == -1 )
|
|
{
|
|
m_textureID_IconSmallTick = vgui::surface()->CreateNewTextureID();
|
|
vgui::surface()->DrawSetTextureFile( m_textureID_IconSmallTick, LOCATOR_MATERIAL_SMALL_TICK, true, false );
|
|
}
|
|
|
|
int element_tall = GetTall(); // Height of the VGUI element
|
|
|
|
surface()->DrawSetColor( 255, 255, 255, 255 );
|
|
|
|
// Tick Icons
|
|
|
|
float angleStep = 360.0f / NUM_GRADUATIONS;
|
|
bool tallLine = true;
|
|
|
|
for( float angle = -180 ; angle <= 180 ; angle += angleStep )
|
|
{
|
|
yPos = (element_tall>>1);
|
|
|
|
if( tallLine )
|
|
{
|
|
vgui::surface()->DrawSetTexture( m_textureID_IconBigTick );
|
|
vgui::surface()->DrawGetTextureSize( m_textureID_IconBigTick, icon_wide, icon_tall );
|
|
tallLine = false;
|
|
}
|
|
else
|
|
{
|
|
vgui::surface()->DrawSetTexture( m_textureID_IconSmallTick );
|
|
vgui::surface()->DrawGetTextureSize( m_textureID_IconSmallTick, icon_wide, icon_tall );
|
|
tallLine = true;
|
|
}
|
|
|
|
float flDiff = UTIL_AngleDiff( flYawPlayerFacing, angle );
|
|
|
|
if( fabs(flDiff) > fov )
|
|
continue;
|
|
|
|
float xPosition = LocatorXPositionForYawDiff( flDiff );
|
|
|
|
xPos = (int)xPosition;
|
|
xPos -= (icon_wide>>1);
|
|
|
|
vgui::surface()->DrawTexturedRect(xPos, yPos, xPos+icon_wide, yPos+icon_tall);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: draws the locator icons on the VGUI element.
|
|
//-----------------------------------------------------------------------------
|
|
void CHudLocator::Paint()
|
|
{
|
|
#ifdef HL2_EPISODIC
|
|
|
|
if( m_textureID_IconJalopy == -1 )
|
|
{
|
|
m_textureID_IconJalopy = vgui::surface()->CreateNewTextureID();
|
|
vgui::surface()->DrawSetTextureFile( m_textureID_IconJalopy, LOCATOR_MATERIAL_JALOPY, true, false );
|
|
}
|
|
|
|
int alpha = hud_locator_alpha.GetInt();
|
|
|
|
SetAlpha( alpha );
|
|
|
|
C_BaseHLPlayer *pPlayer = (C_BaseHLPlayer *)C_BasePlayer::GetLocalPlayer();
|
|
if ( !pPlayer )
|
|
return;
|
|
|
|
if( pPlayer->m_HL2Local.m_vecLocatorOrigin == vec3_origin )
|
|
return;
|
|
|
|
int element_tall = GetTall(); // Height of the VGUI element
|
|
|
|
float fov = (hud_locator_fov.GetFloat()) / 2.0f;
|
|
|
|
// Compute the relative position of objects we're tracking
|
|
// We'll need the player's yaw for comparison.
|
|
float flYawPlayerForward = pPlayer->EyeAngles().y;
|
|
|
|
// Copy this value out of the member variable in case we decide to expand this
|
|
// feature later and want to iterate some kind of list.
|
|
Vector vecLocation = pPlayer->m_HL2Local.m_vecLocatorOrigin;
|
|
|
|
Vector vecToLocation = vecLocation - pPlayer->GetAbsOrigin();
|
|
QAngle locationAngles;
|
|
|
|
VectorAngles( vecToLocation, locationAngles );
|
|
float yawDiff = UTIL_AngleDiff( flYawPlayerForward, locationAngles.y );
|
|
bool bObjectInFOV = (yawDiff > -fov && yawDiff < fov);
|
|
|
|
// Draw the icons!
|
|
int icon_wide, icon_tall;
|
|
int xPos, yPos;
|
|
surface()->DrawSetColor( 255, 255, 255, 255 );
|
|
|
|
DrawGraduations( flYawPlayerForward );
|
|
|
|
if( bObjectInFOV )
|
|
{
|
|
// The object's location maps to a valid position along the tape, so draw an icon.
|
|
float tapePosition = LocatorXPositionForYawDiff(yawDiff);
|
|
|
|
// derive a scale for the locator icon
|
|
yawDiff = fabs(yawDiff);
|
|
float scale = 1.0f;
|
|
scale = RemapValClamped( yawDiff, (fov/4), fov, 1.0f, 0.25f );
|
|
|
|
vgui::surface()->DrawSetTexture( m_textureID_IconJalopy );
|
|
vgui::surface()->DrawGetTextureSize( m_textureID_IconJalopy, icon_wide, icon_tall );
|
|
|
|
float flIconWide = ((float)element_tall * 1.25f);
|
|
float flIconTall = ((float)element_tall * 1.25f);
|
|
|
|
// Scale the icon as desired...
|
|
|
|
// Put back into ints
|
|
icon_wide = (int)flIconWide;
|
|
icon_tall = (int)flIconTall;
|
|
|
|
icon_wide *= scale;
|
|
|
|
//Msg("yawDiff:%f xPos:%d scale:%f\n", yawDiff, xPos, scale );
|
|
|
|
// Center the icon around its position.
|
|
xPos = (int)tapePosition;
|
|
xPos -= (icon_wide >> 1);
|
|
yPos = (element_tall>>1) - (icon_tall >> 1);
|
|
|
|
//Msg("Drawing at %f %f\n", x, y );
|
|
vgui::surface()->DrawTexturedRect(xPos, yPos, xPos+icon_wide, yPos+icon_tall);
|
|
}
|
|
|
|
#endif // HL2_EPISODIC
|
|
}
|
|
|
|
|