private void Start()
{
_minimapSize = gameObject.GetComponent <RectTransform>().rect.width;
_offsetFromRightSide =
(-1) * (transform.parent.GetComponent <RectTransform>().rect.width / 2
+ transform.parent.GetComponent <RectTransform>().anchoredPosition.x);
_targetedScreenSize =
transform.parent.parent.GetComponent <RectTransform>().rect.width;
_matchSession = MatchSession.Current;
TerrainMap map = _matchSession.TerrainMap;
if (map == null)
{
// Hack: When loading a map, the camera is moved to the loading scene,
// where the terrain map is not yet loaded. Don't throw errors in that case.
return;
}
//_terrainSize = _terrain.terrainData.bounds.size;
_terrainSize = map.MapMax - map.MapMin;
_terrainPos = map.MapMin;
_miniMapCamera.orthographicSize = _terrainSize.x / 2f;
//convert camera to a texture
RenderTexture.active = _miniMapCamera.targetTexture;
_miniMapCamera.Render();
Texture2D image = new Texture2D(_miniMapCamera.targetTexture.width, _miniMapCamera.targetTexture.height);
image.ReadPixels(new Rect(0, 0, _miniMapCamera.targetTexture.width, _miniMapCamera.targetTexture.height), 0, 0);
image.Apply();
_miniMapImage.texture = image;
_miniMapCamera.enabled = false;
}
private void ClampCameraXZPosition()
{
TerrainMap map = _session.TerrainMap;
if (map == null)
{
// Hack: When loading a map, the camera is moved to the loading scene,
// where the terrain map is not yet loaded. Don't throw errors in that case.
return;
}
_targetPosition.x = Mathf.Clamp(
_targetPosition.x,
map.MapMin.x - _maxCameraHorizontalDistanceFromTerrain,
map.MapMax.x + _maxCameraHorizontalDistanceFromTerrain);
_targetPosition.z = Mathf.Clamp(
_targetPosition.z,
map.MapMin.z - _maxCameraHorizontalDistanceFromTerrain,
map.MapMax.z + _maxCameraHorizontalDistanceFromTerrain);
}
private float GetSlopeFactor(
TerrainMap terrain, Vector3 location, Vector3 direction)
{
direction.y = 0f;
direction.Normalize();
direction *= 10f * Constants.MAP_SCALE;
Vector3 perpendicular = new Vector3(-direction.z, 0f, direction.x);
float height = terrain.GetTerrainCachedHeight(location); //SampleHeight(location);
float forwardHeight = terrain.GetTerrainCachedHeight(location - direction); //SampleHeight(location - direction);
float sideHeight = terrain.GetTerrainCachedHeight(location + perpendicular); //SampleHeight(location + perpendicular);
float forwardSlope = forwardHeight - height;
float sideSlope = sideHeight - height;
float slopeSquared = forwardSlope * forwardSlope + sideSlope * sideSlope;
float overallSlopeFactor = SlopeSensitivity * slopeSquared;
float directionalSlopeFactor = SlopeSensitivity * DirectionalSlopeSensitivity * forwardSlope;
float speed = 1.0f / (1.0f + overallSlopeFactor + directionalSlopeFactor);
return(Mathf.Max(speed - 0.1f, 0f));
}
/// <summary>
/// Gives the relative speed of a unit with the given MobilityType
/// at the given location. Relative speed is 0 if the terrain is
/// impassible and 1 for road, otherwise between 0 and 1.
/// If radius > 0, check for units in the way, otherwise just look at terrain.
/// </summary>
public float GetUnitSpeedMultiplier(
TerrainMap map,
Vector3 location,
float unitRadius,
Vector3 direction)
{
//Terrain terrain = map.GetTerrainAtPos(location);
//if (terrain == null)
// return 0f;
// This is a slow way to do it, and we will probably need a fast, generic method to find units within a given distance of a location
if (unitRadius > 0f)
{
// TODO maybe move this logic into its own method?
foreach (UnitDispatcher unit in MatchSession.Current.Units)
{
float dist = Vector3.Distance(location, unit.Transform.position);
if (dist < unitRadius + unit.GetComponent <MovementComponent>().Data.Radius)
{
return(0f);
}
}
}
// Find unit speed on terrain
int terrainType = map.GetTerrainType(location);
float speed = 0f;
if (terrainType == TerrainMap.BRIDGE)
{
speed = 1.0f;
}
else if (terrainType == TerrainMap.BUILDING)
{
speed = 0.0f;
}
else if (terrainType == TerrainMap.ROAD)
{
speed = 1.0f;
}
else if (terrainType == TerrainMap.FOREST)
{
speed = ForestSpeed;
}
else if (terrainType == TerrainMap.PLAIN)
{
speed = PlainSpeed;
}
else if (terrainType == TerrainMap.WATER)
{
speed = WaterSpeed;
}
if (speed <= 0)
{
return(0f);
}
if (terrainType == TerrainMap.BRIDGE || terrainType == TerrainMap.WATER)
{
return(speed);
}
return(speed * GetSlopeFactor(map, location, direction));
}