352 lines
12 KiB
C#
352 lines
12 KiB
C#
using UnityEngine;
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/// <summary>
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/// MinimapMarker - Creates a 3D marker visible to the minimap camera.
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/// This follows the same pattern as TeamIndicator but renders on a minimap-specific layer.
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/// Attach to character prefabs or add dynamically via MinimapMarkerManager.
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///
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/// IMPORTANT: You MUST create a layer called "Minimap" in Unity Project Settings
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/// and configure your Main Camera to NOT render this layer (uncheck it in Culling Mask).
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/// </summary>
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public class MinimapMarker : MonoBehaviour
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{
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[Header("Marker Settings")]
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[SerializeField] private float heightOffset = 5f; // Height above character for minimap visibility
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[SerializeField] private float markerSize = 6f; // Size of marker in world units
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[Header("Team Colors")]
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[SerializeField] private Color allyColor = new Color(0.2f, 0.8f, 0.2f, 1f); // Green
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[SerializeField] private Color enemyColor = new Color(0.9f, 0.2f, 0.2f, 1f); // Red
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[SerializeField] private Color controlledColor = Color.white; // White (GTA V style)
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[Header("Layer Settings")]
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[SerializeField] private string minimapLayerName = "Minimap";
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private GameObject markerObject;
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private MeshRenderer markerRenderer;
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private TeamMember teamMember;
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private string myTeamTag;
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private bool isCurrentlyControlled = false;
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private bool hasConfiguredLayer = false;
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// Cached textures to avoid regeneration
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private static Texture2D cachedCircleTexture;
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private static Texture2D cachedArrowTexture;
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// Static reference to current player team tag
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private static string currentPlayerTeamTag = "Player";
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private bool _markerCreated;
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private void Start()
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{
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// Works in ALL modes (Cash System, Practice, etc.)
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teamMember = GetComponent<TeamMember>();
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myTeamTag = gameObject.tag;
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CreateMarker();
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UpdateMarkerColor();
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}
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private void LateUpdate()
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{
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if (markerObject == null) return;
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// Ensure layer is correctly set (handles late layer creation)
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if (!hasConfiguredLayer)
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{
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ConfigureLayer();
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}
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// Check if this character is currently controlled
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bool wasControlled = isCurrentlyControlled;
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isCurrentlyControlled = teamMember != null && teamMember.IsPlayerControlled;
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if (isCurrentlyControlled)
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{
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currentPlayerTeamTag = myTeamTag;
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// PARENT to player so position + yaw follow exactly (no lag/jitter)
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if (markerObject.transform.parent != transform)
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markerObject.transform.SetParent(transform, false);
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// Local position: straight up; local rotation: flat quad facing up
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// The minimap camera rotates with the player, so the marker just
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// sits above the player and the camera handles heading visuals.
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markerObject.transform.localPosition = Vector3.up * heightOffset;
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markerObject.transform.localRotation = Quaternion.Euler(90f, 0f, 0f);
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markerObject.transform.localScale = Vector3.one * (markerSize * 2f);
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}
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else
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{
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// AI / enemy markers: also parent to owner so they can't drift
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if (markerObject.transform.parent != transform)
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markerObject.transform.SetParent(transform, false);
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markerObject.transform.localPosition = Vector3.up * heightOffset;
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markerObject.transform.localRotation = Quaternion.Euler(90f, 0f, 0f);
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markerObject.transform.localScale = Vector3.one * markerSize;
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}
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// Update color/shape if control status changed
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if (wasControlled != isCurrentlyControlled)
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{
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UpdateMarkerVisuals();
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}
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markerObject.SetActive(true);
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}
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private void CreateMarker()
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{
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// Guard: only ever create ONE marker per component instance
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if (_markerCreated && markerObject != null) return;
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markerObject = GameObject.CreatePrimitive(PrimitiveType.Quad);
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markerObject.name = $"{gameObject.name}_MinimapMarker";
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// Parent to owner immediately so it follows position + rotation
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markerObject.transform.SetParent(transform, false);
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markerObject.transform.localPosition = Vector3.up * heightOffset;
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markerObject.transform.localRotation = Quaternion.Euler(90f, 0f, 0f);
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markerObject.transform.localScale = Vector3.one * markerSize;
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// Remove collider - we don't need it
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Collider col = markerObject.GetComponent<Collider>();
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if (col != null) Destroy(col);
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// Configure layer
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ConfigureLayer();
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// Get renderer and create material
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markerRenderer = markerObject.GetComponent<MeshRenderer>();
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Material markerMaterial = new Material(Shader.Find("Sprites/Default"));
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if (markerMaterial != null)
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{
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markerRenderer.material = markerMaterial;
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}
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_markerCreated = true;
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Debug.Log($"[MinimapMarker] Created marker for {gameObject.name} on layer {markerObject.layer}");
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}
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private void ConfigureLayer()
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{
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int minimapLayer = LayerMask.NameToLayer(minimapLayerName);
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if (minimapLayer == -1)
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{
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// Layer not found - this is a critical setup issue
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// Log error once and use a high layer number that's less likely to be rendered
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if (!hasConfiguredLayer)
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{
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Debug.LogError($"[MinimapMarker] CRITICAL: Layer '{minimapLayerName}' not found! " +
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"Please create this layer in Project Settings > Tags and Layers. " +
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"IMPORTANT: Set your Main Camera's Culling Mask to EXCLUDE the 'Minimap' layer!");
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}
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// Use layer 31 as fallback (typically unused, less likely to show on main camera)
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markerObject.layer = 31;
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}
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else
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{
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markerObject.layer = minimapLayer;
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hasConfiguredLayer = true;
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}
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}
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private void UpdateMarkerVisuals()
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{
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if (markerRenderer == null) return;
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Color targetColor;
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Texture2D texture;
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// Currently controlled character
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if (isCurrentlyControlled)
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{
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targetColor = controlledColor;
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texture = GetArrowTexture(); // Directional arrow
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}
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// Determine if ally or enemy relative to player
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else if (myTeamTag == currentPlayerTeamTag)
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{
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targetColor = allyColor;
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texture = GetCircleTexture(); // Round circle
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}
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else
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{
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targetColor = enemyColor;
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texture = GetCircleTexture(); // Round circle
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}
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markerRenderer.material.color = targetColor;
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markerRenderer.material.mainTexture = texture;
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}
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// Get cached circle texture
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private Texture2D GetCircleTexture()
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{
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if (cachedCircleTexture == null)
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{
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cachedCircleTexture = GenerateCircleTexture();
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}
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return cachedCircleTexture;
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}
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// Get cached arrow texture
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private Texture2D GetArrowTexture()
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{
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if (cachedArrowTexture == null)
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{
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cachedArrowTexture = GenerateArrowTexture();
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}
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return cachedArrowTexture;
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}
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// Generate a clean solid dot — GTA V style (filled circle with soft edge)
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private Texture2D GenerateCircleTexture()
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{
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int size = 64;
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Texture2D tex = new Texture2D(size, size);
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Color[] colors = new Color[size * size];
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float center = size / 2f;
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float radius = size / 2f - 4f; // Slightly smaller for clean edges
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for (int y = 0; y < size; y++)
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{
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for (int x = 0; x < size; x++)
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{
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float dist = Vector2.Distance(new Vector2(x, y), new Vector2(center, center));
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if (dist <= radius - 1.5f)
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{
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// Solid fill
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colors[y * size + x] = Color.white;
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}
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else if (dist <= radius + 1.5f)
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{
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// Anti-aliased edge
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float alpha = 1f - Mathf.Clamp01((dist - radius + 1.5f) / 3f);
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colors[y * size + x] = new Color(1, 1, 1, alpha);
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}
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else
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{
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colors[y * size + x] = Color.clear;
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}
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}
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}
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tex.SetPixels(colors);
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tex.Apply();
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return tex;
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}
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// Generate a GTA V-style chevron (V-shape) pointing up
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// Sharp pointed front, open back — gives instant directional clarity
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private Texture2D GenerateArrowTexture()
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{
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int size = 64;
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Texture2D tex = new Texture2D(size, size);
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Color[] colors = new Color[size * size];
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// Clear transparency
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for (int i = 0; i < colors.Length; i++) colors[i] = Color.clear;
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float cx = size / 2f;
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float cy = size / 2f;
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float thickness = 5f; // Chevron line thickness
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// Chevron is two angled lines meeting at a point (top center)
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// Left arm: from bottom-left to top-center
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// Right arm: from bottom-right to top-center
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Vector2 tip = new Vector2(cx, size * 0.85f); // Top tip
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Vector2 bottomLeft = new Vector2(size * 0.15f, size * 0.25f); // Bottom left
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Vector2 bottomRight = new Vector2(size * 0.85f, size * 0.25f); // Bottom right
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for (int y = 0; y < size; y++)
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{
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for (int x = 0; x < size; x++)
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{
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Vector2 p = new Vector2(x, y);
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// Distance to left arm line segment
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float distLeft = DistanceToSegment(p, bottomLeft, tip);
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// Distance to right arm line segment
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float distRight = DistanceToSegment(p, bottomRight, tip);
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float minDist = Mathf.Min(distLeft, distRight);
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if (minDist <= thickness)
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{
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// Solid white with anti-aliased edges
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float alpha = 1f - Mathf.Clamp01((minDist - thickness + 1.5f) / 1.5f);
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alpha = Mathf.Max(alpha, 0f);
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if (minDist < thickness - 1f) alpha = 1f;
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colors[y * size + x] = new Color(1, 1, 1, alpha);
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}
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}
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}
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tex.SetPixels(colors);
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tex.Apply();
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return tex;
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}
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/// <summary>
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/// Distance from point P to line segment AB
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/// </summary>
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private static float DistanceToSegment(Vector2 p, Vector2 a, Vector2 b)
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{
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Vector2 ab = b - a;
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float t = Mathf.Clamp01(Vector2.Dot(p - a, ab) / Vector2.Dot(ab, ab));
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Vector2 closest = a + t * ab;
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return Vector2.Distance(p, closest);
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}
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private void UpdateMarkerColor()
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{
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UpdateMarkerVisuals();
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}
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private void OnDestroy()
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{
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if (markerObject != null)
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{
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Destroy(markerObject);
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}
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}
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/// <summary>
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/// Force update the marker color (call after team changes)
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/// </summary>
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public void RefreshMarker()
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{
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myTeamTag = gameObject.tag;
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UpdateMarkerColor();
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}
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/// <summary>
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/// Set marker visibility
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/// </summary>
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public void SetVisible(bool visible)
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{
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if (markerObject != null)
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{
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markerObject.SetActive(visible);
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}
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}
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/// <summary>
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/// Static method to update all markers when player changes
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/// </summary>
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public static void RefreshAllMarkers()
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{
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foreach (var marker in FindObjectsOfType<MinimapMarker>())
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{
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marker.RefreshMarker();
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}
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}
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}
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