private void DisplayCollider()
{
Event e = Event.current;
if (tileSet.selected_tileSetBrushId != TileSetConst.TileSetBrushId_Default)
{
EditorGUILayout.LabelField("tileSetBrush不能被编辑", EditorStyles.boldLabel);
return;
}
bool is_multi_selection = tileSet.tileSelection != null;
bool is_save_changes = false;
Tile selected_tile = is_multi_selection
? tileSet.tile_list[TileSetUtil.GetTileIdFromTileData(tileSet.tileSelection.selection_tileData_list[0])]
: tileSet.selected_tile;
if (e.type == EventType.MouseDown)
{
is_dragging = true;
if (selected_tile.tileColliderData.vertices != null)
{
saved_vertexs = new Vector2[selected_tile.tileColliderData.vertices.Length];
selected_tile.tileColliderData.vertices.CopyTo(saved_vertexs, 0);
}
}
else if (e.type == EventType.MouseUp)
{
is_dragging = false;
}
//background_color
tileSet.background_color = EditorGUILayout.ColorField(tileSet.background_color);
if (pre_background_color != tileSet.background_color || GUIStyleConst.Scroll_Style.normal.background == null)
{
pre_background_color = tileSet.background_color;
if (GUIStyleConst.Scroll_Style.normal.background == null)
{
GUIStyleConst.Scroll_Style.normal.background = new Texture2D(1, 1)
{
hideFlags = HideFlags.DontSave
}
}
;
GUIStyleConst.Scroll_Style.normal.background.SetPixel(0, 0, tileSet.background_color);
GUIStyleConst.Scroll_Style.normal.background.Apply();
}
float aspect_ratio = tileSet.tile_pixel_size.x / tileSet.tile_pixel_size.y; //比例
float padding = 2; // pixel size of the border around the tile
//画tile图
//包围tile_rect的rect
Rect tile_parent_rect = GUILayoutUtility.GetRect(1, 1, GUILayout.ExpandWidth(true), GUILayout.ExpandHeight(true));
using (new GUIBeginGroupScope(tile_parent_rect, GUIStyleConst.Scroll_Style))
{
if (e.type == EventType.Repaint)
{
float tile_pixel_size = tile_parent_rect.width / (tileSet.tile_pixel_size.x + 2 * padding);//2*padding是因为padding有左边和右边
mouse_pos = e.mousePosition;
tile_rect = new Rect(padding * tile_pixel_size, padding * tile_pixel_size,
tile_parent_rect.width - 2 * padding * tile_pixel_size,
(tile_parent_rect.width / aspect_ratio) - 2 * padding * tile_pixel_size);
tile_rect.height = Mathf.Min(tile_rect.height, tile_parent_rect.height - 2 * padding * tile_pixel_size);
tile_rect.width = (tile_rect.height * aspect_ratio);
}
using (new GUIColorScope(new Color(1f, 1f, 1f, 0.1f)))
{
GUI.DrawTexture(tile_rect, EditorGUIUtility.whiteTexture);
}
if (is_multi_selection)
{
foreach (uint tileData in tileSet.tileSelection.selection_tileData_list)
{
int tileId = TileSetUtil.GetTileIdFromTileData(tileData);
Tile tile = tileSet.GetTile(tileId);
if (tile != null)
{
GUI.color = new Color(1f, 1f, 1f, 1f / tileSet.tileSelection.selection_tileData_list.Count);
GUI.DrawTextureWithTexCoords(tile_rect, tileSet.atlas_texture, tile.uv);
}
}
GUI.color = Color.white;
}
else
{
GUI.DrawTextureWithTexCoords(tile_rect, tileSet.atlas_texture, selected_tile.uv);
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Color saved_handle_color = Handles.color;
if (selected_tile.tileColliderData.type != TileColliderType.None)
{
Vector2[] collider_vertices = selected_tile.tileColliderData.type == TileColliderType.Full ? TileConst.Full_Collider_Tile_Vertices : selected_tile.tileColliderData.vertices;
if (collider_vertices == null || collider_vertices.Length == 0)
{
collider_vertices = selected_tile.tileColliderData.vertices = new Vector2[TileConst.Full_Collider_Tile_Vertices.Length];
Array.Copy(TileConst.Full_Collider_Tile_Vertices, collider_vertices, TileConst.Full_Collider_Tile_Vertices.Length);
EditorUtility.SetDirty(tileSet);
}
// 将vertice的xy限制在[0,1]之间
for (int i = 0; i < collider_vertices.Length; ++i)
{
Vector2 collider_vertice = collider_vertices[i];
collider_vertice = collider_vertice.Snap2(tileSet.tile_pixel_size).ConvertElement(v => Mathf.Clamp01(v));
collider_vertices[i] = collider_vertice;
}
// 画边 draw edges
Vector3[] poly_edges = new Vector3[collider_vertices.Length + 1];
for (int i = 0; i < collider_vertices.Length; ++i)
{
Vector2 collider_vertice = collider_vertices[i];
collider_vertice.x = tile_rect.x + tile_rect.width * collider_vertice.x;
collider_vertice.y = tile_rect.yMax - tile_rect.height * collider_vertice.y;
Vector2 collider_vertice_next = collider_vertices[(i + 1) % collider_vertices.Length];
collider_vertice_next.x = tile_rect.x + tile_rect.width * collider_vertice_next.x;
collider_vertice_next.y = tile_rect.yMax - tile_rect.height * collider_vertice_next.y;
poly_edges[i] = collider_vertice;
poly_edges[i + 1] = collider_vertice_next;
//画边
Handles.color = Color.green;
Handles.DrawLine(collider_vertice, collider_vertice_next);
//画边上的法线 Draw normals
Handles.color = Color.white;
Vector3 normal_pos = (collider_vertice + collider_vertice_next) / 2f;
Handles.DrawLine(normal_pos, normal_pos + Vector3.Cross(collider_vertice_next - collider_vertice, Vector3.forward).normalized *tile_rect.yMin);
Handles.color = saved_handle_color;
}
float pixel_size = tile_rect.width / tileSet.tile_pixel_size.x;
if (selected_tile.tileColliderData.type == TileColliderType.Polygon)
{
bool is_adding_vertex_on = !is_dragging && e.shift && active_vertex_index == -1;
bool is_removing_vertex_on = !is_dragging && ((Application.platform == RuntimePlatform.OSXEditor) ? e.command : e.control) && collider_vertices.Length > 3;
//删除顶点
if (is_removing_vertex_on && active_vertex_index != -1 && e.type == EventType.MouseUp)
{
selected_tile.tileColliderData.vertices = new Vector2[collider_vertices.Length - 1];
for (int i = 0, j = 0; i < collider_vertices.Length; ++i)
{
if (i == active_vertex_index)
{
continue;
}
selected_tile.tileColliderData.vertices[j] = collider_vertices[i];
++j;
}
collider_vertices = selected_tile.tileColliderData.vertices;
active_vertex_index = -1;
}
float min_distance = float.MaxValue;
if (!is_dragging)
{
active_vertex_index = -1;
}
for (int i = 0; i < collider_vertices.Length; ++i)
{
Vector2 collider_vertice = collider_vertices[i];
collider_vertice.x = tile_rect.x + tile_rect.width * collider_vertice.x;
collider_vertice.y = tile_rect.yMax - tile_rect.height * collider_vertice.y;
if (is_dragging)
{
if (i == active_vertex_index)
{
collider_vertice = mouse_pos;
collider_vertice -= tile_rect.position;
collider_vertice.x = Mathf.Clamp(Mathf.Round(collider_vertice.x / pixel_size) * pixel_size, 0, tile_rect.width);
collider_vertice.y = Mathf.Clamp(Mathf.Round(collider_vertice.y / pixel_size) * pixel_size, 0, tile_rect.height);
collider_vertice += tile_rect.position;
collider_vertices[i].x = Mathf.Clamp01((collider_vertice.x - tile_rect.x) / tile_rect.width);
collider_vertices[i].y = Mathf.Clamp01((collider_vertice.y - tile_rect.yMax) / -tile_rect.height);
}
}
else
{
float distance = Vector2.Distance(mouse_pos, collider_vertice);
//distance < GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.width是为了限定少于多少距离（该顶点与mouse_pos的距离）的时候才选中该顶点
if (distance <= min_distance && distance < GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.width)
{
min_distance = distance;
active_vertex_index = i;
}
}
//画顶点
if (e.type == EventType.Repaint)
{
//画左上角的坐标
if (i == active_vertex_index)
{
GUIStyleConst.VertexCoord_Style.fontSize = (int)(Mathf.Min(12f, tile_rect.yMin / 2f));
GUI.Label(new Rect(0, 0, tile_rect.width, tile_rect.yMin), Vector2.Scale(collider_vertices[i], tileSet.tile_pixel_size).ToString(), GUIStyleConst.VertexCoord_Style);
}
GUI.color = active_vertex_index == i ? (is_removing_vertex_on ? Color.red : Color.cyan) : new Color(0.7f, 0.7f, 0.7f, 0.8f);
GUIStyleConst.Collider_Vertex_Handle_Style.Draw(new Rect(collider_vertice.x - GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.width / 2, collider_vertice.y - GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.height / 2, 1, 1), i.ToString(), false, false, false, false);
GUI.color = Color.white;
}
}
//添加顶点
if (is_adding_vertex_on)
{
//线段index
int segment_index;
Vector2 new_vertex_pos = ClosestPointToPolyLine(poly_edges, out segment_index);
if (e.type == EventType.MouseUp)
{
selected_tile.tileColliderData.vertices = new Vector2[collider_vertices.Length + 1];
segment_index = (segment_index + 1) % selected_tile.tileColliderData.vertices.Length;
for (int i = 0, j = 0; i < selected_tile.tileColliderData.vertices.Length; ++i)
{
if (segment_index == i)
{
new_vertex_pos.x = Mathf.Clamp(Mathf.Round(new_vertex_pos.x / pixel_size) * pixel_size, tile_rect.x, tile_rect.xMax);
new_vertex_pos.y = Mathf.Clamp(Mathf.Round(new_vertex_pos.y / pixel_size) * pixel_size, tile_rect.y, tile_rect.yMax);
selected_tile.tileColliderData.vertices[i].x = Mathf.Clamp01((new_vertex_pos.x - tile_rect.x) / tile_rect.width);
selected_tile.tileColliderData.vertices[i].y = Mathf.Clamp01((new_vertex_pos.y - tile_rect.yMax) / -tile_rect.height);
}
else
{
selected_tile.tileColliderData.vertices[i] = collider_vertices[j];
++j;
}
}
collider_vertices = selected_tile.tileColliderData.vertices;
active_vertex_index = -1;
}
else if (e.type == EventType.Repaint)
{
//添加顶点中移动鼠标，透明动态显示当前将要新增顶点的位置
GUI.color = new Color(0.7f, 0.7f, 0.7f, 0.8f);
GUIStyleConst.Collider_Vertex_Handle_Style.Draw(new Rect(new_vertex_pos.x - GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.width / 2, new_vertex_pos.y - GUIStyleConst.Collider_Vertex_Handle_Style.normal.background.height / 2, 1, 1), segment_index.ToString(), false, false, false, false);
GUI.color = Color.white;
}
}
}
if (e.type == EventType.MouseUp)
{
is_save_changes = true;
//remove duplicated vertex
selected_tile.tileColliderData.vertices = selected_tile.tileColliderData.vertices.Distinct().ToArray();
if (selected_tile.tileColliderData.vertices.Length <= 2)
{
selected_tile.tileColliderData.vertices = saved_vertexs;
}
//snap vertex positions
selected_tile.tileColliderData.SnapVertices(tileSet);
}
}
}
if (GUILayout.Button("反转法线"))
{
selected_tile.tileColliderData.vertices.Reverse();
}
EditorGUILayout.Space();
string helpInfo =
" - 移动:点击图中的顶点并移动它的位置" + "\n" +
" - 添加:按住Shift并点击鼠标进行添加顶点" + "\n" +
" - 删除:按住Ctrl并且点击顶点进行删除顶点 (should be more than 3)";
EditorGUILayout.HelpBox(helpInfo, MessageType.Info);
// Collider Settings
float saved_label_width = EditorGUIUtility.labelWidth;
EditorGUIUtility.labelWidth = 40;
if (is_multi_selection)
{
EditorGUILayout.LabelField("* Multi-selection Edition", EditorStyles.boldLabel);
}
using (new EditorGUILayoutBeginHorizontalScope(GUILayout.MinWidth(140)))
{
EditorGUILayout.LabelField("Collider Data", EditorStyles.boldLabel);
if (GUILayout.Button("Copy", GUILayout.Width(50)))
{
copied_colliderData = selected_tile.tileColliderData.Clone();
}
if (GUILayout.Button("Paste", GUILayout.Width(50)))
{
selected_tile.tileColliderData = copied_colliderData.Clone();
is_save_changes = true;
}
}
EditorGUILayout.Space();
using (var check = new EditorGUIBeginChangeCheckScope())
{
EditorGUIUtility.labelWidth = 100;
EditorGUILayout.LabelField("Collider Type:", EditorStyles.boldLabel);
using (new EditorGUIIndentLevelScope(2))
{
string[] tile_collider_names = Enum.GetNames(typeof(TileColliderType));
selected_tile.tileColliderData.type = (TileColliderType)GUILayout.Toolbar((int)selected_tile.tileColliderData.type, tile_collider_names);
}
EditorGUIUtility.labelWidth = saved_label_width;
is_save_changes |= check.IsChanged;
}
//Save changes
if (is_save_changes)
{
if (is_multi_selection)
{
for (int i = 0; i < tileSet.tileSelection.selection_tileData_list.Count; ++i)
{
tileSet.tile_list[TileSetUtil.GetTileIdFromTileData(tileSet.tileSelection.selection_tileData_list[i])].tileColliderData = selected_tile.tileColliderData.Clone();
}
}
EditorUtility.SetDirty(tileSet);
//Refresh selected tileMap
TileMap selected_tileMap = Selection.activeGameObject ? Selection.activeGameObject.GetComponent <TileMap>() : null;
if (selected_tileMap)
{
selected_tileMap.Refresh(false, true);
}
}
}
//获取polyline（vertices组成的线段）线段上的离当前mouse poistion最近的点
//Get the point on a polyline (in 3D space) which is closest to the current mouse position
Vector3 ClosestPointToPolyLine(Vector3[] vertices, out int closest_segment_index)
{
float min_distance = float.MaxValue;
closest_segment_index = 0;
for (int i = 0; i < vertices.Length - 1; ++i)
{
float distance = HandleUtility.DistanceToLine(vertices[i], vertices[i + 1]);
if (distance < min_distance)
{
min_distance = distance;
closest_segment_index = i;
}
}
return(HandleUtility.ClosestPointToPolyLine(vertices));
}
}
private bool FillColliderMeshData()
{
//Debug.Log( "[" + ParentTilemap.name + "] FillColliderMeshData -> " + name);
if (tileSet == null || parent_tileMap.tileMapColliderType == TileMapColliderType.None)
{
return(false);
}
System.Type collider2DType = parent_tileMap.tileMap2DColliderType == TileMap2DColliderType.EdgeCollider2D ? typeof(EdgeCollider2D) : typeof(PolygonCollider2D);
Component[] aColliders2D = null;
if (parent_tileMap.tileMapColliderType == TileMapColliderType._3D)
{
int totalTiles = width * height;
if (mesh_collider_vertice_list == null)
{
mesh_collider_vertice_list = new List <Vector3>(totalTiles * 4);
mesh_collider_triangle_list = new List <int>(totalTiles * 6);
}
else
{
mesh_collider_vertice_list.Clear();
mesh_collider_triangle_list.Clear();
}
}
else //if (ParentTilemap.ColliderType == eColliderType._2D)
{
has_2D_colliders = true;
open_edge_list.Clear();
aColliders2D = GetComponents(collider2DType);
}
float halvedCollDepth = parent_tileMap.collider_depth / 2f;
bool isEmpty = true;
for (int ty = 0, tileIdx = 0; ty < height; ++ty)
{
for (int tx = 0; tx < width; ++tx, ++tileIdx)
{
uint tileData = tileData_list[tileIdx];
if (tileData != TileSetConst.TileData_Empty)
{
int tileId = (int)(tileData & TileSetConst.TileDataMask_TileId);
Tile tile = tileSet.GetTile(tileId);
if (tile != null)
{
#if ENABLE_MERGED_SUBTILE_COLLIDERS
TilesetBrush brush = ParentTilemap.Tileset.FindBrush(Tileset.GetBrushIdFromTileData(tileData));
Vector2[] subTileMergedColliderVertices = brush ? brush.GetMergedSubtileColliderVertices(ParentTilemap, GridPosX + tx, GridPosY + ty, tileData) : null;
#else
Vector2[] subTileMergedColliderVertices = null;
#endif
bool hasMergedColliders = subTileMergedColliderVertices != null;
TileColliderData tileCollData = tile.tileColliderData;
if (tileCollData.type != TileColliderType.None || hasMergedColliders)
{
isEmpty = false;
int neighborCollFlags = 0; // don't remove, even using neighborTileCollData, neighborTileCollData is not filled if tile is empty
bool isSurroundedByFullColliders = true;
for (int i = 0; i < neighbor_segment_min_max.Length; ++i)
{
neighbor_segment_min_max[i].x = float.MaxValue;
neighbor_segment_min_max[i].y = float.MinValue;
}
System.Array.Clear(neighbor_tileColliderData, 0, neighbor_tileColliderData.Length);
if (!hasMergedColliders)
{
if ((tileData & (TileSetConst.TileFlag_FlipH | TileSetConst.TileFlag_FlipV | TileSetConst.TileFlag_Rot90)) != 0)
{
tileCollData = tileCollData.Clone();
tileCollData.ApplyFlippingFlags(tileData);
}
for (int i = 0; i < 4; ++i)
{
uint neighborTileData;
bool isTriggerOrPolygon = parent_tileMap.is_trigger ||
parent_tileMap.tileMapColliderType == TileMapColliderType._2D &&
parent_tileMap.tileMap2DColliderType == TileMap2DColliderType.PolygonCollider2D;
switch (i)
{
case 0: // Up Tile
neighborTileData = (tileIdx + width) < tileData_list.Count ?
tileData_list[tileIdx + width]
:
isTriggerOrPolygon ? TileSetConst.TileData_Empty : parent_tileMap.GetTileData(offset_grid_x + tx, offset_grid_y + ty + 1); break;
case 1: // Right Tile
neighborTileData = (tileIdx + 1) % width != 0 ? //(tileIdx + 1) < m_tileDataList.Count ?
tileData_list[tileIdx + 1]
:
isTriggerOrPolygon ? TileSetConst.TileData_Empty : parent_tileMap.GetTileData(offset_grid_x + tx + 1, offset_grid_y + ty); break;
case 2: // Down Tile
neighborTileData = tileIdx >= width ?
tileData_list[tileIdx - width]
:
isTriggerOrPolygon ? TileSetConst.TileData_Empty : parent_tileMap.GetTileData(offset_grid_x + tx, offset_grid_y + ty - 1); break;
case 3: // Left Tile
neighborTileData = tileIdx % width != 0 ? //neighborTileId = tileIdx >= 1 ?
tileData_list[tileIdx - 1]
:
isTriggerOrPolygon ? TileSetConst.TileData_Empty : parent_tileMap.GetTileData(offset_grid_x + tx - 1, offset_grid_y + ty); break;
default: neighborTileData = TileSetConst.TileData_Empty; break;
}
int neighborTileId = (int)(neighborTileData & TileSetConst.TileDataMask_TileId);
if (neighborTileId != TileSetConst.TileId_Empty)
{
Vector2 segmentMinMax;
TileColliderData neighborTileCollider;
neighborTileCollider = tileSet.tile_list[neighborTileId].tileColliderData;
if ((neighborTileData & (TileSetConst.TileFlag_FlipH | TileSetConst.TileFlag_FlipV | TileSetConst.TileFlag_Rot90)) != 0)
{
neighborTileCollider = neighborTileCollider.Clone();
if ((neighborTileData & TileSetConst.TileFlag_FlipH) != 0)
{
neighborTileCollider.FlipH();
}
if ((neighborTileData & TileSetConst.TileFlag_FlipV) != 0)
{
neighborTileCollider.FlipV();
}
if ((neighborTileData & TileSetConst.TileFlag_Rot90) != 0)
{
neighborTileCollider.Rot90();
}
}
neighbor_tileColliderData[i] = neighborTileCollider;
isSurroundedByFullColliders &= (neighborTileCollider.type == TileColliderType.Full);
if (neighborTileCollider.type == TileColliderType.None)
{
segmentMinMax = new Vector2(float.MaxValue, float.MinValue); //NOTE: x will be min, y will be max
}
else if (neighborTileCollider.type == TileColliderType.Full)
{
segmentMinMax = new Vector2(0f, 1f); //NOTE: x will be min, y will be max
neighborCollFlags |= (1 << i);
}
else
{
segmentMinMax = new Vector2(float.MaxValue, float.MinValue); //NOTE: x will be min, y will be max
neighborCollFlags |= (1 << i);
for (int j = 0; j < neighborTileCollider.vertices.Length; ++j)
{
Vector2 v = neighborTileCollider.vertices[j];
{
if (i == 0 && v.y == 0 || i == 2 && v.y == 1) //Top || Bottom
{
if (v.x < segmentMinMax.x)
{
segmentMinMax.x = v.x;
}
if (v.x > segmentMinMax.y)
{
segmentMinMax.y = v.x;
}
}
else if (i == 1 && v.x == 0 || i == 3 && v.x == 1) //Right || Left
{
if (v.y < segmentMinMax.x)
{
segmentMinMax.x = v.y;
}
if (v.y > segmentMinMax.y)
{
segmentMinMax.y = v.y;
}
}
}
}
}
neighbor_segment_min_max[i] = segmentMinMax;
}
else
{
isSurroundedByFullColliders = false;
}
}
}
// Create Mesh Colliders
if (isSurroundedByFullColliders && !hasMergedColliders)
{
//Debug.Log(" Surrounded! " + tileIdx);
}
else
{
float px0 = tx * cell_size.x;
float py0 = ty * cell_size.y;
Vector2[] collVertices = subTileMergedColliderVertices;
if (!hasMergedColliders)
{
collVertices = tileCollData.type == TileColliderType.Full ?TileConst.Full_Collider_Tile_Vertices : tileCollData.vertices;
}
for (int i = 0; i < collVertices.Length; ++i)
{
Vector2 s0 = collVertices[i];
Vector2 s1 = collVertices[i == (collVertices.Length - 1) ? 0 : i + 1];
if (hasMergedColliders)
{
++i; // add ++i; in this case to go 2 by 2 because the collVertices for merged colliders will have the segments in pairs
}
// full collider optimization
if ((tileCollData.type == TileColliderType.Full) &&
(
(i == 0 && neighbor_tileColliderData[3].type == TileColliderType.Full) || // left tile has collider
(i == 1 && neighbor_tileColliderData[0].type == TileColliderType.Full) || // top tile has collider
(i == 2 && neighbor_tileColliderData[1].type == TileColliderType.Full) || // right tile has collider
(i == 3 && neighbor_tileColliderData[2].type == TileColliderType.Full) // bottom tile has collider
)
)
{
continue;
}
// polygon collider optimization
else // if( tileCollData.type == eTileCollider.Polygon ) Or Full colliders if neighbor is not Full as well
{
Vector2 n, m;
if (s0.y == 1f && s1.y == 1f) // top side
{
if ((neighborCollFlags & 0x1) != 0) // top tile has collider
{
n = neighbor_segment_min_max[0];
if (n.x < n.y && n.x <= s0.x && n.y >= s1.x)
{
continue;
}
}
}
else if (s0.x == 1f && s1.x == 1f) // right side
{
if ((neighborCollFlags & 0x2) != 0) // right tile has collider
{
n = neighbor_segment_min_max[1];
if (n.x < n.y && n.x <= s1.y && n.y >= s0.y)
{
continue;
}
}
}
else if (s0.y == 0f && s1.y == 0f) // bottom side
{
if ((neighborCollFlags & 0x4) != 0) // bottom tile has collider
{
n = neighbor_segment_min_max[2];
if (n.x < n.y && n.x <= s1.x && n.y >= s0.x)
{
continue;
}
}
}
else if (s0.x == 0f && s1.x == 0f) // left side
{
if ((neighborCollFlags & 0x8) != 0) // left tile has collider
{
n = neighbor_segment_min_max[3];
if (n.x < n.y && n.x <= s0.y && n.y >= s1.y)
{
continue;
}
}
}
else if (s0.y == 1f && s1.x == 1f) // top - right diagonal
{
if ((neighborCollFlags & 0x1) != 0 && (neighborCollFlags & 0x2) != 0)
{
n = neighbor_segment_min_max[0];
m = neighbor_segment_min_max[1];
if ((n.x < n.y && n.x <= s0.x && n.y == 1f) && (m.x < m.y && m.x <= s1.y && m.y == 1f))
{
continue;
}
}
}
else if (s0.x == 1f && s1.y == 0f) // right - bottom diagonal
{
if ((neighborCollFlags & 0x2) != 0 && (neighborCollFlags & 0x4) != 0)
{
n = neighbor_segment_min_max[1];
m = neighbor_segment_min_max[2];
if ((n.x < n.y && n.x == 0f && n.y >= s0.y) && (m.x < m.y && m.x <= s1.x && m.y == 1f))
{
continue;
}
}
}
else if (s0.y == 0f && s1.x == 0f) // bottom - left diagonal
{
if ((neighborCollFlags & 0x4) != 0 && (neighborCollFlags & 0x8) != 0)
{
n = neighbor_segment_min_max[2];
m = neighbor_segment_min_max[3];
if ((n.x < n.y && n.x == 0f && n.y >= s0.x) && (m.x < m.y && m.x == 0f && m.y >= s1.y))
{
continue;
}
}
}
else if (s0.x == 0f && s1.y == 1f) // left - top diagonal
{
if ((neighborCollFlags & 0x8) != 0 && (neighborCollFlags & 0x1) != 0)
{
n = neighbor_segment_min_max[3];
m = neighbor_segment_min_max[0];
if ((n.x < n.y && n.x <= s0.y && n.y == 1f) && (m.x < m.y && m.x == 0f && m.y >= s1.x))
{
continue;
}
}
}
}
// Update s0 and s1 to world positions
s0.x = px0 + cell_size.x * s0.x; s0.y = py0 + cell_size.y * s0.y;
s1.x = px0 + cell_size.x * s1.x; s1.y = py0 + cell_size.y * s1.y;
if (parent_tileMap.tileMapColliderType == TileMapColliderType._3D)
{
int collVertexIdx = mesh_collider_vertice_list.Count;
mesh_collider_vertice_list.Add(new Vector3(s0.x, s0.y, -halvedCollDepth));
mesh_collider_vertice_list.Add(new Vector3(s0.x, s0.y, halvedCollDepth));
mesh_collider_vertice_list.Add(new Vector3(s1.x, s1.y, halvedCollDepth));
mesh_collider_vertice_list.Add(new Vector3(s1.x, s1.y, -halvedCollDepth));
mesh_collider_triangle_list.Add(collVertexIdx + 0);
mesh_collider_triangle_list.Add(collVertexIdx + 1);
mesh_collider_triangle_list.Add(collVertexIdx + 2);
mesh_collider_triangle_list.Add(collVertexIdx + 2);
mesh_collider_triangle_list.Add(collVertexIdx + 3);
mesh_collider_triangle_list.Add(collVertexIdx + 0);
}
else //if( ParentTilemap.ColliderType == eColliderType._2D )
{
int linkedSegments = 0;
int segmentIdxToMerge = -1;
for (int edgeIdx = open_edge_list.Count - 1; edgeIdx >= 0 && linkedSegments < 2; --edgeIdx)
{
LinkedList <Vector2> edgeSegments = open_edge_list[edgeIdx];
if (edgeSegments.First.Value == edgeSegments.Last.Value)
{
continue; //skip closed edges
}
if (edgeSegments.Last.Value == s0)
{
if (segmentIdxToMerge >= 0)
{
LinkedList <Vector2> segmentToMerge = open_edge_list[segmentIdxToMerge];
if (s0 == segmentToMerge.First.Value)
{
for (LinkedListNode <Vector2> node = segmentToMerge.First.Next; node != null; node = node.Next)
{
edgeSegments.AddLast(node.Value);
}
open_edge_list.RemoveAt(segmentIdxToMerge);
}
/* Cannot join head with head or tail with tail, it will change the segment normal
* else
* for (LinkedListNode<Vector2> node = segmentToMerge.Last.Previous; node != null; node = node.Previous)
* edgeSegments.AddLast(node.Value);*/
}
else
{
segmentIdxToMerge = edgeIdx;
edgeSegments.AddLast(s1);
}
++linkedSegments;
}
/* Cannot join head with head or tail with tail, it will change the segment normal
* else if( edgeSegments.Last.Value == s1 )
* else if (edgeSegments.First.Value == s0)*/
else if (edgeSegments.First.Value == s1)
{
if (segmentIdxToMerge >= 0)
{
LinkedList <Vector2> segmentToMerge = open_edge_list[segmentIdxToMerge];
if (s1 == segmentToMerge.Last.Value)
{
for (LinkedListNode <Vector2> node = edgeSegments.First.Next; node != null; node = node.Next)
{
segmentToMerge.AddLast(node.Value);
}
open_edge_list.RemoveAt(edgeIdx);
}
/* Cannot join head with head or tail with tail, it will change the segment normal
* else
* for (LinkedListNode<Vector2> node = edgeSegments.First.Next; node != null; node = node.Next)
* segmentToMerge.AddFirst(node.Value);*/
}
else
{
segmentIdxToMerge = edgeIdx;
edgeSegments.AddFirst(s0);
}
++linkedSegments;
}
}
if (linkedSegments == 0)
{
LinkedList <Vector2> newEdge = new LinkedList <Vector2>();
newEdge.AddFirst(s0);
newEdge.AddLast(s1);
open_edge_list.Add(newEdge);
}
}
}
}
}
}
}
}
}
if (parent_tileMap.tileMapColliderType == TileMapColliderType._2D)
{
//+++ Process Edges
//(NOTE: this was added to fix issues related with lighting, otherwise leave this commented)
{
// Remove vertex inside a line
RemoveRedundantVertices(open_edge_list);
// Split segments (NOTE: This is not working with polygon colliders)
/*/ commented unless necessary for performance reasons
* if (ParentTilemap.Collider2DType == e2DColliderType.EdgeCollider2D)
* {
* openEdges = SplitSegments(openEdges);
* }
* //*/
}
//---
//Create Edges
for (int i = 0; i < open_edge_list.Count; ++i)
{
LinkedList <Vector2> edgeSegments = open_edge_list[i];
bool reuseCollider = i < aColliders2D.Length;
Collider2D collider2D = reuseCollider ? (Collider2D)aColliders2D[i] : (Collider2D)gameObject.AddComponent(collider2DType);
collider2D.enabled = true;
collider2D.isTrigger = parent_tileMap.is_trigger;
collider2D.sharedMaterial = parent_tileMap.physicMaterial2D;
if (parent_tileMap.tileMap2DColliderType == TileMap2DColliderType.EdgeCollider2D)
{
((EdgeCollider2D)collider2D).points = edgeSegments.ToArray();
}
else
{
((PolygonCollider2D)collider2D).SetPath(0, edgeSegments.ToArray());
}
}
//Destroy unused edge colliders
for (int i = open_edge_list.Count; i < aColliders2D.Length; ++i)
{
if (!is_on_validate)
{
DestroyImmediate(aColliders2D[i]);
}
else
{
((Collider2D)aColliders2D[i]).enabled = false;
}
}
}
return(!isEmpty);
}