// Selects a tile by:
// 1) Placing a rune, if none exists
// 2) Showing the slider and the 'remove rune' button
void SelectTile(Vector2 tile)
{
selected = true;
// First check if a rune exists at this tile
bool runeExists = false;
foreach (PlacedRune p in placedRuneList)
{
if (p.tile == tile)
{
selRune = p;
runeExists = true;
break;
}
}
// If not, place one first
if (!runeExists)
{
// If out of runes to place, stop instead
if (noneToPlace)
{
return;
}
selRune = PlaceRune(tile);
}
// Tell SliderChangeCheck() to ignore these changes
resetingSlider = true;
// Adjust the slider's config for this rune
rotationSlider.minValue = selRune.min_rot;
rotationSlider.maxValue = selRune.max_rot;
rotationSlider.value = selRune.curr_rot;
// Put the rotation slider either above or below the rune
float upOrDown = selRune.curr_rot % 360;
upOrDown = (upOrDown > 180f) ? (360 - upOrDown) : upOrDown;
upOrDown = (upOrDown < -180f) ? (360 + upOrDown) : upOrDown;
Vector2 sliderPos = tile + (new Vector2(0f, -1f));
if (Mathf.Abs(upOrDown) > 90)
{
sliderPos = tile + (new Vector2(0f, 1f));
}
// Move the slider and show to the player
rotationSlider.gameObject.transform.position = sliderPos;
rotationSlider.gameObject.SetActive(true);
// Tell SliderChangeCheck() to start listening for changes again
resetingSlider = false;
// Move the delete button on top of the tile and show it
deleteButton.gameObject.transform.position = tile;
deleteButton.gameObject.SetActive(true);
}
// Turns rune placement mode on or off (true or false)
public void InPlacementMode(bool update)
{
canPlace = update;
if (update)
{
// Make sure the cursor is visible
Cursor.visible = true;
// Re-activate if issues are caused by mouse going off-screen:
//Cursor.lockState = CursorLockMode.Confined;
// Reset vars
selected = false;
resetingSlider = false;
lastClickTile = new Vector2(0f, 0f);
selRune = new PlacedRune(null, new Vector2(0f, 0f), 0f, 0f, 0f, null);
tilePos = new Vector2(0f, 0f);
hovering = false;
// Show all icons for each rune
foreach (PlacedRune p in placedRuneList)
{
p.icon.SetActive(true);
}
// Show the rune selection UI
rc.GetComponent <Canvas>().enabled = true;
}
else
{
// Turn off the highlight, slider, and button
selectButton.SetActive(false);
rotationSlider.gameObject.SetActive(false);
deleteButton.gameObject.SetActive(false);
// Hide all icons for each rune
foreach (PlacedRune p in placedRuneList)
{
p.icon.SetActive(false);
}
// Hide the rune selection UI
rc.GetComponent <Canvas>().enabled = false;
}
}
// Invoked when the delete button is clicked
public void DeleteRune()
{
// Delete the tile icon
Destroy(selRune.icon);
// Remove the currently selected rune from the list
placedRuneList.Remove(selRune);
// Let RuneCount know we deleted one
rc.PickedUpRune(selRune.rune.type);
// Call the delete function for the rune
selRune.rune.DestroyRune();
// Hide the slider and delete button
deleteButton.gameObject.SetActive(false);
rotationSlider.gameObject.SetActive(false);
// Unselect this tile
selRune = new PlacedRune(null, new Vector2(0f, 0f), 0f, 0f, 0f, null);
selected = false;
lastClickTile = new Vector2(0f, 0f);
}
// Places a rune at the clicked tile
PlacedRune PlaceRune(Vector2 tile)
{
Vector2 runeBase = tile;
GameObject prefab = null;
float rot = 0f;
// The ray from the clicked tile to runeBase
Vector2 point = new Vector2(0f, 0f);
// Find which side to place the base of the rune
Vector2 topTile = new Vector2(tile.x, tile.y + 1f);
Vector2 bottomTile = new Vector2(tile.x, tile.y - 1f);
Vector2 leftTile = new Vector2(tile.x - 1f, tile.y);
Vector2 rightTile = new Vector2(tile.x + 1f, tile.y);
if (!env.OverlapPoint(topTile))
{
runeBase = topTile;
rot = 0f;
point = new Vector2(0f, 1f);
}
else if (!env.OverlapPoint(bottomTile))
{
runeBase = bottomTile;
rot = 180f;
}
else if (!env.OverlapPoint(leftTile))
{
runeBase = leftTile;
rot = 90f;
}
else if (!env.OverlapPoint(rightTile))
{
runeBase = rightTile;
rot = 270f;
}
// Get the prefab for the current rune type
prefab = (GameObject)Resources.Load(runePrefabPath, typeof(GameObject));
// Instantiate a new (inactive) rune from prefab
GameObject newRune = Instantiate(prefab, runeBase, Quaternion.Euler(0f, 0f, rot), GameObject.FindWithTag("AllRunes").transform);
// Configure its properties
newRune.GetComponent <Rune>().rot = rot;
// Activate to call its Start() function
newRune.SetActive(true);
// Determine the range of rotation to be stored in the struct, starting at the rune's curr rot
// Check clockwise until encounters wall or comes full circle
float min = rot;
while (!env.OverlapPoint(tile + RotToVector(min - 1f)) && ((rot - min) < 360))
{
min -= 1;
}
// Check counter-clockwise until encounters wall or comes full circle
float max = rot;
while (!env.OverlapPoint(tile + RotToVector(max + 1f)) && ((max - rot) < 360))
{
max += 1;
}
// Make a new tile icon for this rune
prefab = (GameObject)Resources.Load(iconPrefabPath, typeof(GameObject));
GameObject newTile = Instantiate(prefab, tile, Quaternion.Euler(0f, 0f, 0f), transform.parent);
// Put the rune, its position, the min-max rotations, curr rot, and tile into the array
PlacedRune rinfo = new PlacedRune(newRune.GetComponent <Rune>(), tile, rot, min, max, newTile);
placedRuneList.Add(rinfo);
// Let RuneCount know we consumed one rune
rc.PlacedARune();
return(rinfo);
}