protected void DrawOnSelection(Usable usable, float distance, Selector.Reticle reticle, GUIStyle guiStyle, string defaultUseMessage,
Color inRangeColor, Color outOfRangeColor, TextStyle textStyle, Color textStyleColor)
{
if (usable == null)
{
return;
}
if ((usable != lastUsable) || string.IsNullOrEmpty(heading))
{
lastUsable = usable;
heading = usable.GetName();
useMessage = string.IsNullOrEmpty(usable.overrideUseMessage) ? defaultUseMessage : usable.overrideUseMessage;
}
GameObject selection = usable.gameObject;
if (selection != lastSelectionDrawn)
{
selectionHeight = Tools.GetGameObjectHeight(selection);
selectionHeadingSize = guiStyle.CalcSize(new GUIContent(heading));
selectionUseMessageSize = guiStyle.CalcSize(new GUIContent(useMessage));
}
// Set text color based on distance:
bool inUseRange = (distance <= usable.maxUseDistance);
guiStyle.normal.textColor = inUseRange ? inRangeColor : outOfRangeColor;
// Draw heading:
Vector3 screenPos = UnityEngine.Camera.main.WorldToScreenPoint(selection.transform.position + (Vector3.up * selectionHeight));
screenPos += offset;
screenPos = new Vector3(screenPos.x, screenPos.y + selectionUseMessageSize.y + selectionHeadingSize.y, screenPos.z);
if (screenPos.z < 0)
{
return;
}
Rect rect = new Rect(screenPos.x - (selectionHeadingSize.x / 2), (Screen.height - screenPos.y) - (selectionHeadingSize.y / 2), selectionHeadingSize.x, selectionHeadingSize.y);
UnityGUITools.DrawText(rect, heading, guiStyle, textStyle, textStyleColor);
// Draw use message:
screenPos = UnityEngine.Camera.main.WorldToScreenPoint(selection.transform.position + (Vector3.up * (selectionHeight)));
screenPos += offset;
screenPos = new Vector3(screenPos.x, screenPos.y + selectionUseMessageSize.y, screenPos.z);
rect = new Rect(screenPos.x - (selectionUseMessageSize.x / 2), (Screen.height - screenPos.y) - (selectionUseMessageSize.y / 2), selectionUseMessageSize.x, selectionUseMessageSize.y);
UnityGUITools.DrawText(rect, useMessage, guiStyle, textStyle, textStyleColor);
// Draw reticle:
if (reticle != null)
{
Texture2D reticleTexture = inUseRange ? reticle.inRange : reticle.outOfRange;
if (reticleTexture != null)
{
screenPos = UnityEngine.Camera.main.WorldToScreenPoint(selection.transform.position + (Vector3.up * 0.5f * selectionHeight));
rect = new Rect(screenPos.x - (reticle.width / 2), (Screen.height - screenPos.y) - (reticle.height / 2), reticle.width, reticle.height);
GUI.Label(rect, reticleTexture);
}
}
}