/// <summary>
/// Draws location marker on screen.
/// </summary>
public void DrawLocationMarker(int styleHandle, Vector3D position, MyHudEntityParams hudParams, float targetDamageRatio, float targetArmorRatio, float alphaMultiplifier = 1f)
{
if (MySession.ControlledEntity == null)
{
return;
}
// Transform point to camera space, so Z = -1 is always forward and then do projective transformation
Vector3D transformedPoint = Vector3D.Transform(position, MySector.MainCamera.ViewMatrix);
Vector4D projectedPoint = Vector4D.Transform(transformedPoint, MySector.MainCamera.ProjectionMatrix);
// If point is behind camera we swap X and Y (this is mirror-like transformation)
if (transformedPoint.Z > 0)
{
projectedPoint.X *= -1;
projectedPoint.Y *= -1;
}
if (projectedPoint.W == 0)
{
return;
}
MyMarkerStyle markerStyle = m_markerStyles[styleHandle];
double distance = Vector3D.Distance(position, MySession.ControlledEntity.Entity.WorldMatrix.Translation);
float maxDistance = hudParams.MaxDistance;
byte colorAlphaInByte = 255;
var hudColor = MyFakes.SHOW_FACTIONS_GUI ? markerStyle.Color : Color.White;
hudColor.A = (byte)(colorAlphaInByte * alphaMultiplifier);
// Calculate centered coordinates in range <0..1>
Vector2 projectedPoint2D = new Vector2((float)(projectedPoint.X / projectedPoint.W / 2.0f) + 0.5f, (float)(-projectedPoint.Y / projectedPoint.W) / 2.0f + 0.5f);
if (MyVideoSettingsManager.IsTripleHead())
{
projectedPoint2D.X = (projectedPoint2D.X - (1.0f / 3.0f)) / (1.0f / 3.0f);
}
float objectNameYOffset = 0.0f; //offset to direction indicator
// This will bound the rectangle in circle, although it isn't real circle because we work in [1,1] dimensions,
// but number of horizontal pixels is bigger, so at the end it's more elypse
// It must be done when point is out of circle or behind the camera
Vector2 direction = projectedPoint2D - MyHudConstants.DIRECTION_INDICATOR_SCREEN_CENTER;
if ((direction.Length() > MyHudConstants.DIRECTION_INDICATOR_MAX_SCREEN_DISTANCE) || (transformedPoint.Z > 0))
{
if ((hudParams.FlagsEnum & MyHudIndicatorFlagsEnum.SHOW_BORDER_INDICATORS) == 0)
{
return;
}
if (direction.LengthSquared() > MyMathConstants.EPSILON_SQUARED)
{
direction.Normalize();
}
else
{
direction = new Vector2(1f, 0f);
}
projectedPoint2D = MyHudConstants.DIRECTION_INDICATOR_SCREEN_CENTER + direction * MyHudConstants.DIRECTION_INDICATOR_MAX_SCREEN_DISTANCE;
// Fix vertical scale
projectedPoint2D.Y *= MyGuiManager.GetHudSize().Y;
AddTexturedQuad(markerStyle.TextureDirectionIndicator, projectedPoint2D + direction * MyHudConstants.HUD_DIRECTION_INDICATOR_SIZE * 2.5f, direction,
hudColor, MyHudConstants.HUD_DIRECTION_INDICATOR_SIZE * 1.2f, MyHudConstants.HUD_DIRECTION_INDICATOR_SIZE * 0.8f);
}
else
{
// Fix vertical scale
projectedPoint2D.Y *= MyGuiManager.GetHudSize().Y;
Color rectangleColor = Color.White;
rectangleColor.A = colorAlphaInByte;
if ((hudParams.FlagsEnum & MyHudIndicatorFlagsEnum.SHOW_FOCUS_MARK) > 0)
{
Vector2 upVector = new Vector2(0, -1);
if (markerStyle.TextureTargetRotationSpeed != 0)
{
upVector = new Vector2((float)Math.Cos(MySandboxGame.TotalGamePlayTimeInMilliseconds / 1000f * markerStyle.TextureTargetRotationSpeed * MathHelper.Pi),
(float)Math.Sin(MySandboxGame.TotalGamePlayTimeInMilliseconds / 1000f * markerStyle.TextureTargetRotationSpeed * MathHelper.Pi));
}
AddTexturedQuad(markerStyle.TextureTarget, projectedPoint2D, upVector, hudColor, MyHudConstants.HUD_DIRECTION_INDICATOR_SIZE * markerStyle.TextureTargetScale, MyHudConstants.HUD_DIRECTION_INDICATOR_SIZE * markerStyle.TextureTargetScale);
}
objectNameYOffset = -MyHudConstants.HUD_TEXTS_OFFSET;
}
if (hudParams.Text != null && hudParams.Text.Length > 0 && (hudParams.FlagsEnum & MyHudIndicatorFlagsEnum.SHOW_TEXT) != 0)
{
// Add object's name
MyHudText objectName = m_hudScreen.AllocateText();
if (objectName != null)
{
objectName.Start(markerStyle.Font, projectedPoint2D + new Vector2(0, hudParams.OffsetText ? objectNameYOffset : 0),
hudColor, 0.8f, MyGuiDrawAlignEnum.HORISONTAL_CENTER_AND_VERTICAL_CENTER);
objectName.Append(hudParams.Text);
}
}
// display hud icon
if (hudParams.Icon != null && (hudParams.FlagsEnum & MyHudIndicatorFlagsEnum.SHOW_ICON) != 0)
{
Color iconColor = hudParams.IconColor.HasValue && MyFakes.SHOW_FACTIONS_GUI ? hudParams.IconColor.Value : Color.White;
iconColor.A = (byte)(colorAlphaInByte * alphaMultiplifier);
AddTexturedQuad(hudParams.Icon.Value, projectedPoint2D + hudParams.IconOffset, new Vector2(0, -1), iconColor, hudParams.IconSize.X / 2f, hudParams.IconSize.Y / 2f);
}
if (MyFakes.SHOW_HUD_DISTANCES && (hudParams.FlagsEnum & MyHudIndicatorFlagsEnum.SHOW_DISTANCE) != 0)
{
// Add distance to object
MyHudText objectDistance = m_hudScreen.AllocateText();
if (objectDistance != null)
{
objectDistance.Start(markerStyle.Font, projectedPoint2D + new Vector2(0, MyHudConstants.HUD_TEXTS_OFFSET),
hudColor, 0.8f, MyGuiDrawAlignEnum.HORISONTAL_CENTER_AND_VERTICAL_CENTER);
// Create string builder with distance in metres, e.g. "123m"
objectDistance.AppendInt32((int)Math.Round(distance));
objectDistance.Append("m");
}
}
}
public void OverrideStyleForRelation(MyRelationsBetweenPlayerAndBlock relation, MyFontEnum font, MyHudTexturesEnum directionIcon, MyHudTexturesEnum targetIcon, Color color)
{
int handle = GetStyleForRelation(relation);
m_markerStyles[handle] = new MyMarkerStyle(font, directionIcon, targetIcon, color);
}
