// -----------------------------------------------------------------------------------------------------------------
public CTile.EDirection SetPlayerDestination(CTile cur_tile, CTile.EDirection dir)
{
CTile.EDirection dir_next = CTile.DIR_EX[(int)dir].m_next;
CTile.EDirection dir_next_next = CTile.DIR_EX[(int)dir_next].m_next;
CTile.EDirection dir_prev = CTile.DIR_EX[(int)dir].m_prev;
CTile.EDirection dir_prev_prev = CTile.DIR_EX[(int)dir_prev].m_prev;
CTile.EDirection dir_back = CTile.DIR_EX[(int)dir].m_opposite;
CTile.EDirection[] dir_selection_order = { dir, dir_next, dir_prev, dir_next_next, dir_prev_prev, dir_back };
CTile.EDirection final_dir = dir;
foreach (CTile.EDirection d in dir_selection_order)
{
m_dest_tile = cur_tile.GetNeighbor(d);
if (m_dest_tile != null &&
!m_level_tags.IsTagSet(m_dest_tile, (int)CTile.ETag.T_BORDER))
{
final_dir = d;
break;
}
}
utils.Assert(m_dest_tile != null, "Destination tile is null");
m_direction = dir;
m_player.SetDestination(m_dest_tile.GetPosition());
// utils.Log("Set player destination :: cur={0}:{1} dest={2}:{3} dir={4}",
// cur_tile.m_x, cur_tile.m_z, m_dest_tile.m_x, m_dest_tile.m_z, dir);
return(final_dir);
}
// -----------------------------------------------------------------------------------------------------------------
public void SetPlayerPosition(int tile_x, int tile_z, CTile.EDirection dir)
{
// Current tile
CTile t = m_level.GetTileByPosXZ(tile_x, tile_z);
utils.Assert(t != null, "No source tile :: pos={0}:{1}", tile_x, tile_z);
// Initial position and rotation
Vector3 pos = t.GetPosition();
m_player.transform.position = new Vector3(pos.x, pos.y + 0.5f, pos.z);
m_player.transform.eulerAngles = new Vector3(0.0f, CTile.DIR_EX[(int)m_direction].m_angle, 0.0f);
// Destination
SetPlayerDestination(t, dir);
// Player trail
m_path.Reset();
}
// -----------------------------------------------------------------------------------------------------------------
private void Update()
{
// Turn right
if (Input.GetKeyDown("right"))
{
m_direction = CTile.DIR_EX[(int)m_direction].m_next;
// Turn left
}
else if (Input.GetKeyDown("left"))
{
m_direction = CTile.DIR_EX[(int)m_direction].m_prev;
}
// Current player position & underlying tile
Vector3 cur_pos = m_player.transform.position;
CTile cur_tile = m_level.GetTileByCoord(cur_pos.x, cur_pos.z);
// Update compas
m_compas.SetPosition(cur_pos);
// Active tile is changed
if (cur_tile != m_prev_frame_tile && m_prev_frame_tile != null)
{
// Update current and previously visited tiles
m_prev_tile = m_prev_frame_tile;
m_level_tags.SetTag(m_prev_tile, (int)CTile.ETag.T_VISITED);
m_level_tags.SetTag(cur_tile, (int)CTile.ETag.T_CURRENT);
// Update destination path
m_level_tags.ClearTag((int)CTile.ETag.T_DEST_PATH);
CTile t_glow = cur_tile;
while (true)
{
t_glow = t_glow.GetNeighbor(m_direction);
if (t_glow == null ||
!m_level_tags.SetTag(t_glow, (int)CTile.ETag.T_DEST_PATH))
{
break;
}
}
// Update trail - finalize border vertex between tiles
Vector3 tile_border = m_prev_frame_tile.GetPosition() + (cur_tile.GetPosition() - m_prev_frame_tile.GetPosition()) / 2;
tile_border.y += 0.5f;
m_path.AddVertex(tile_border, true);
// Active tile was not changed
}
else
{
// Update trail - update head vertex
m_path.AddVertex(cur_pos, false);
}
// Destination tile is reached
CTile.ERelPosition rel_pos = cur_tile.GetRelPosition(m_dest_tile, m_direction);
if (rel_pos == CTile.ERelPosition.RP_CURRENT ||
rel_pos == CTile.ERelPosition.RP_BEHIND ||
rel_pos == CTile.ERelPosition.RP_NONE)
{
m_direction = SetPlayerDestination(cur_tile, m_direction);
m_prev_frame_tile = cur_tile;
}
// Save tile of previous frame
m_prev_frame_tile = cur_tile;
// Eat apple
if (m_level_tags.IsTagSet(cur_tile, (int)CTile.ETag.T_APPLE))
{
m_level_tags.UnsetTag(cur_tile, (int)CTile.ETag.T_APPLE);
m_tail.AddSegment();
m_config.score++;
}
// Create new apple
if (m_level_tags.GetTagCnt((int)CTile.ETag.T_APPLE) == 0)
{
CTile t = CreateApple();
m_compas.SetDestination(t.GetPosition());
}
// Apply level changeset
Hashtable changeset = m_level_tags.GetChangeset();
if (changeset.Count > 0)
{
// Update all tiles in changeset
foreach (DictionaryEntry entry in changeset)
{
CTile tile = (CTile)entry.Key;
UpdateLevelMaterial(tile);
UpdateLevelGameplay(tile);
}
// Clear changeset
changeset.Clear();
}
}
