UT2k4Assault.InfoPod

//=============================================================================
// InfoPod
//=============================================================================
// Place this actor in your level to display information on HUD.
// For example to tell the destination of a Teleporter
//=============================================================================

class InfoPod extends Keypoint
    placeable;

var()   enum EIP_AssaultTeam
{
    EIP_All,
    EIP_Attackers,
    EIP_Defenders,
} Team;

var()   enum EIP_InfoType
{
    EIPT_PlainText,
    EIPT_TextBrackets,
    EIPT_Texture,
} InfoType;

var()   enum EIP_InfoEffect
{
    EIPE_Normal,
    EIPE_Blink,
    EIPE_Pulse,
} InfoEffect;

var()   bool    bIsTriggered;   // do not replicate if not triggered
var()   bool    bDisabled;
var     bool    BACKUP_bDisabled;
var()   bool    bOverrideZoneCheck; // Override Zone check (USE DrawDistThreshold to minimize CPU resources!!)
var()   bool    bOverrideVisibilityCheck;   // No line trace
var()   float   DrawDistThreshold;  // Don't draw beyond this distance (0 = unlimited)

var()   ERenderStyle    InfoPodDrawStyle;   // Draw style used for text or textures
var()   byte            DrawOpacity;        // Opacity

var()   Material        POD_Texture;
var()   float           TextureScale;

var()   localized   string  POD_Message;
var()               byte    FontSize;       // 0 (tiny) - 16 ( huge)


replication
{
    unreliable if ( (Role==ROLE_Authority) && bNetDirty )
        bDisabled;
}


event PostBeginPlay()
{
    super.PostBeginPlay();
    BACKUP_bDisabled = bDisabled;

    if ( !bIsTriggered )
        RemoteRole = Role_None;
}

event Trigger( Actor Other, Pawn EventInstigator )
{
    bDisabled = !bDisabled; 
    TriggerEvent( Event, Self, EventInstigator );
}

function Reset()
{
    super.Reset();
    bDisabled = BACKUP_bDisabled;
}


/* Return true if InfoPod is visible */
simulated final function bool IsInfoPodVisible( Canvas C, Pawn P, vector CamLoc, rotator CamRot )
{
    local vector        TargetLocation, TargetDir;
    local float         Dist;

    // Check if in same Zone
    if ( !bOverrideZoneCheck && P.Region.Zone != Region.Zone )
        return false;

    Dist = VSize(Location - CamLoc);

    // Check Distance Threshold
    if ( (DrawDistThresHold > 0) && ( Dist > DrawDistThresHold) )
        return false;

    // Check Min Distance
    if ( Dist < CollisionRadius )
        return false;

    // Target is located behind camera
    if ((Location - CamLoc) Dot vector(CamRot) < 0)
        return false;

    if ( !bOverrideVisibilityCheck )
    {
        // Simple Line check to see if we hit geometry
        TargetDir       = Location - CamLoc;
        TargetDir.Z     = 0;
        TargetLocation  = Location - 2.f * CollisionRadius * vector(rotator(TargetDir));

        return FastTrace( Location, CamLoc );
    }

    return true;
}

/* Render Info Pod. Visibility checking and Color is done in HUD_Assault */
simulated function Render( Canvas C, Vector IPScreenPos, PlayerController PC )
{
    C.Style = InfoPodDrawStyle;

    switch ( InfoType )
    {
        case EIPT_PlainText     : DrawInfoPod_PlainText( C, IPScreenPos, PC ); break;
        case EIPT_TextBrackets  : DrawInfoPod_TextBrackets( C, IPScreenPos, PC ); break;
        case EIPT_Texture       : DrawInfoPod_Texture( C, IPScreenPos ); break;
    }
}

/* Draw InfoPod Plain Text */
simulated function DrawInfoPod_PlainText( Canvas C, Vector IPScreenPos, PlayerController PC )
{
    local float     XL, YL;
    local string    FinalString;

    FinalString = class'HUD_Assault'.default.IP_Bracket_Open @ POD_Message @ class'HUD_Assault'.default.IP_Bracket_Close;
    C.Font = PC.myHUD.GetFontSizeIndex( C, FontSize - 8 );
    C.StrLen(FinalString, XL, YL);

    // Clipping
    if ( IPScreenPos.X + XL*0.5 > C.ClipX )
        IPScreenPos.X = C.ClipX - XL*0.5;
    if ( IPScreenPos.Y + YL*0.5 > C.ClipY )
        IPScreenPos.Y = C.ClipY - YL*0.5;

    // Drawing...
    C.SetPos(IPScreenPos.X - XL*0.5, IPScreenPos.Y - YL*0.5);
    C.DrawText(FinalString, false);
}


/* Draw InfoPod Text Brackets (Draws an additional box surrounding the InfoPod's collision cylinder) */
simulated function DrawInfoPod_TextBrackets( Canvas C, Vector IPScrO, PlayerController PC )
{
    local string Description;

    // Info Pod Description
    C.Font      = PC.myHUD.GetFontSizeIndex( C, FontSize - 8 );
    Description = class'HUD_Assault'.default.IP_Bracket_Open @ POD_Message @ class'HUD_Assault'.default.IP_Bracket_Close;

    class'HUD_Assault'.static.Draw_2DCollisionBox( C, Self, IPScrO, Description, DrawScale, false );
}


/* Draw InfoPod Texture */
simulated function DrawInfoPod_Texture( Canvas C, Vector IPScrO )
{
    local float W, H;

    if ( POD_Texture != None )
    {
        W = POD_Texture.MaterialUSize() * TextureScale * C.SizeX / 640.f;
        H = POD_Texture.MaterialVSize() * TextureScale * C.SizeY / 480.f;

        C.SetPos(IPScrO.X - W*0.5, IPScrO.Y - H*0.5);
        C.DrawTile(POD_Texture, W, H, 0.f, 0.f, POD_Texture.MaterialUSize(), POD_Texture.MaterialVSize());
    }
}

defaultproperties
{
     bIsTriggered=True
     InfoPodDrawStyle=STY_Alpha
     DrawOpacity=200
     TextureScale=1.000000
     POD_Message="-= info pod =-"
     FontSize=5
     bStatic=False
     bNoDelete=True
     bStasis=True
     bReplicateMovement=False
     bOnlyDirtyReplication=True
     RemoteRole=ROLE_DumbProxy
}