public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
// Build local mesh
Vector3[] localMeshVertices = new Vector3[0];
int[] localMeshIndices = new int[0];
BuildLocalMeshForChunk(tileMap, chunk, baseX, baseY, ref localMeshVertices, ref localMeshIndices);
// only process when there are more than two triangles
// avoids a lot of branches later
if (localMeshIndices.Length > 6)
{
// Remove duplicate verts
localMeshVertices = WeldVertices(localMeshVertices, ref localMeshIndices);
// Remove duplicate and back-to-back faces
// Removes inside faces
localMeshIndices = RemoveDuplicateFaces(localMeshIndices);
// Merge coplanar faces
// Optimize (remove unused vertices, reindex)
}
#if !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
foreach (EdgeCollider2D c2d in chunk.edgeColliders) {
if (c2d != null) {
tk2dUtil.DestroyImmediate(c2d);
}
}
chunk.edgeColliders.Clear();
#endif
if (localMeshVertices.Length > 0)
{
if (chunk.colliderMesh != null)
{
tk2dUtil.DestroyImmediate(chunk.colliderMesh);
chunk.colliderMesh = null;
}
if (chunk.meshCollider == null)
{
chunk.meshCollider = chunk.gameObject.GetComponent<MeshCollider>();
if (chunk.meshCollider == null)
chunk.meshCollider = tk2dUtil.AddComponent<MeshCollider>(chunk.gameObject);
}
chunk.colliderMesh = tk2dUtil.CreateMesh();
chunk.colliderMesh.vertices = localMeshVertices;
chunk.colliderMesh.triangles = localMeshIndices;
chunk.colliderMesh.RecalculateBounds();
chunk.meshCollider.sharedMesh = chunk.colliderMesh;
}
else
{
chunk.DestroyColliderData(tileMap);
}
}
private void CreateChunk(SpriteChunk chunk)
{
if ((chunk.spriteIds == null) || (chunk.spriteIds.Length == 0))
{
chunk.spriteIds = new int[this.divX * this.divY];
for (int i = 0; i < (this.divX * this.divY); i++)
{
chunk.spriteIds[i] = -1;
}
}
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk)
{
// Build local mesh
Vector3[] localMeshVertices = new Vector3[0];
int[] localMeshIndices = new int[0];
BuildLocalMeshForChunk(tileMap, chunk, ref localMeshVertices, ref localMeshIndices);
// only process when there are more than two triangles
// avoids a lot of branches later
if (localMeshIndices.Length > 6)
{
// Remove duplicate verts
localMeshVertices = WeldVertices(localMeshVertices, ref localMeshIndices);
// Remove duplicate and back-to-back faces
// Removes inside faces
localMeshIndices = RemoveDuplicateFaces(localMeshIndices);
// Merge coplanar faces
// Optimize (remove unused vertices, reindex)
}
if (localMeshVertices.Length > 0)
{
if (chunk.colliderMesh != null)
{
GameObject.DestroyImmediate(chunk.colliderMesh);
chunk.colliderMesh = null;
}
if (chunk.meshCollider == null)
{
chunk.meshCollider = chunk.gameObject.GetComponent<MeshCollider>();
if (chunk.meshCollider == null)
chunk.meshCollider = chunk.gameObject.AddComponent<MeshCollider>();
}
chunk.colliderMesh = tileMap.GetOrCreateMesh();
chunk.colliderMesh.vertices = localMeshVertices;
chunk.colliderMesh.triangles = localMeshIndices;
chunk.colliderMesh.RecalculateBounds();
if (tileMap.serializeRenderData)
chunk.mesh.RecalculateNormals();
chunk.meshCollider.sharedMesh = chunk.colliderMesh;
}
else
{
chunk.DestroyColliderData(tileMap);
}
}
void CreateChunk(SpriteChunk chunk)
{
if (chunk.spriteIds == null || chunk.spriteIds.Length == 0)
{
chunk.spriteIds = new int[divX * divY];
for (int i = 0; i < divX * divY; ++i)
chunk.spriteIds[i] = -1;
}
}
public static void SpawnPrefabsForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, int layer, int[] prefabCounts)
{
int[] spriteIds = chunk.spriteIds;
GameObject[] tilePrefabs = tileMap.data.tilePrefabs;
Vector3 tileSize = tileMap.data.tileSize;
Transform parent = chunk.gameObject.transform;
float x = 0f;
float y = 0f;
tileMap.data.GetTileOffset(out x, out y);
for (int i = 0; i < tileMap.partitionSizeY; i++)
{
float num4 = ((baseY + i) & 1) * x;
for (int j = 0; j < tileMap.partitionSizeX; j++)
{
int tileFromRawTile = GetTileFromRawTile(spriteIds[(i * tileMap.partitionSizeX) + j]);
if ((tileFromRawTile >= 0) && (tileFromRawTile < tilePrefabs.Length))
{
UnityEngine.Object original = tilePrefabs[tileFromRawTile];
if (original != null)
{
prefabCounts[tileFromRawTile]++;
GameObject item = GetExistingTilePrefabInstance(tileMap, baseX + j, baseY + i, layer);
bool flag = item != null;
if (item == null)
{
item = UnityEngine.Object.Instantiate(original, Vector3.zero, Quaternion.identity) as GameObject;
}
if (item != null)
{
GameObject obj4 = original as GameObject;
Vector3 vector2 = new Vector3(tileSize.x * (j + num4), tileSize.y * i, 0f);
bool enablePrefabOffset = false;
TileInfo tileInfoForSprite = tileMap.data.GetTileInfoForSprite(tileFromRawTile);
if (tileInfoForSprite != null)
{
enablePrefabOffset = tileInfoForSprite.enablePrefabOffset;
}
if (enablePrefabOffset && (obj4 != null))
{
vector2 += obj4.transform.position;
}
if (!flag)
{
item.name = original.name + " " + prefabCounts[tileFromRawTile].ToString();
}
tk2dUtil.SetTransformParent(item.transform, parent);
item.transform.localPosition = vector2;
TilePrefabsX.Add(baseX + j);
TilePrefabsY.Add(baseY + i);
TilePrefabsLayer.Add(layer);
TilePrefabsInstance.Add(item);
}
}
}
}
}
}
/* Creates Farseer Box Colliders for tiles in chunk and sets them as children of container. */
void GenerateCollidersForChunk(SpriteChunk chunk, GameObject container)
{
int spriteCount = spriteDefinitions.Length;
int[] chunkData = chunk.spriteIds;
/* For every row in the chunk... */
for (int y = 0; y < maxTilesY; ++y) {
/* For every column in the chunk... */
for (int x = 0; x < maxTilesX; ++x) {
int spriteId = chunkData[y * tilemap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
/* Handle if tile has no valid sprite. */
if (spriteIdx < 0 || spriteIdx >= spriteCount) {
continue;
}
else if (tilemap.data.tilePrefabs[spriteIdx]) {
continue;
}
tk2dSpriteDefinition spriteData = spriteDefinitions[spriteIdx];
/* If the tile is marked as User Defined, then add a box collider. */
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Unset) {
Vector3 newBoxColliderPosition = new Vector3(
chunk.gameObject.transform.position.x + x * tileWidth,
chunk.gameObject.transform.position.y + y * tileHeight,
chunk.gameObject.transform.position.z
);
GameObject newColliderObject;
if (roundedBoxColliders) {
newColliderObject = CreateRoundedBoxCollider(newBoxColliderPosition, "Rounded Box Collider " + x + " " + y);
}
else {
newColliderObject = CreateBoxCollider(newBoxColliderPosition, "Box Collider " + x + " " + y);
}
newColliderObject.transform.parent = container.transform;
newColliderObject.gameObject.AddComponent<FarseerFollowParent>();
newColliderObject.gameObject.AddComponent<FarseerEnableDisable>();
}
}
}
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
#if !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
////////////////////////////////////////////////////////////////////////////////////////
// 1. Build local edge list
////////////////////////////////////////////////////////////////////////////////////////
Vector2[] localVerts = new Vector2[0];
int[] localIndices = new int[0];
List<Vector2[]> mergedEdges = new List<Vector2[]>();
BuildLocalMeshForChunk(tileMap, chunk, baseX, baseY, ref localVerts, ref localIndices);
////////////////////////////////////////////////////////////////////////////////////////
// 2. Optimize
////////////////////////////////////////////////////////////////////////////////////////
if (localIndices.Length > 4) {
// Remove duplicate verts, reindex
localVerts = WeldVertices(localVerts, ref localIndices);
// Remove duplicate and back-to-back edges
// Removes inside edges
localIndices = RemoveDuplicateEdges(localIndices);
}
////////////////////////////////////////////////////////////////////////////////////////
// 3. Build and optimize an edge list
////////////////////////////////////////////////////////////////////////////////////////
mergedEdges = MergeEdges( localVerts, localIndices );
////////////////////////////////////////////////////////////////////////////////////////
// 4. Build the edge colliders
////////////////////////////////////////////////////////////////////////////////////////
if (chunk.meshCollider != null) {
tk2dUtil.DestroyImmediate(chunk.meshCollider);
chunk.meshCollider = null;
}
if (mergedEdges.Count == 0) {
for (int i = 0; i < chunk.edgeColliders.Count; ++i) {
if (chunk.edgeColliders[i] != null) {
tk2dUtil.DestroyImmediate(chunk.edgeColliders[i]);
}
}
chunk.edgeColliders.Clear();
}
else {
int numEdges = mergedEdges.Count;
// Destroy surplus
for (int i = numEdges; i < chunk.edgeColliders.Count; ++i) {
if (chunk.edgeColliders[i] != null) {
tk2dUtil.DestroyImmediate(chunk.edgeColliders[i]);
}
}
int numToRemove = chunk.edgeColliders.Count - numEdges;
if (numToRemove > 0) {
chunk.edgeColliders.RemoveRange(chunk.edgeColliders.Count - numToRemove, numToRemove);
}
// Make sure existing ones are not null
for (int i = 0; i < chunk.edgeColliders.Count; ++i) {
if (chunk.edgeColliders[i] == null) {
chunk.edgeColliders[i] = tk2dUtil.AddComponent<EdgeCollider2D>(chunk.gameObject);
}
}
// Create missing
while (chunk.edgeColliders.Count < numEdges) {
chunk.edgeColliders.Add( tk2dUtil.AddComponent<EdgeCollider2D>(chunk.gameObject) );
}
for (int i = 0; i < numEdges; ++i) {
chunk.edgeColliders[i].points = mergedEdges[i];
}
}
#endif
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
// Build local mesh
Vector3[] localMeshVertices = new Vector3[0];
int[] localMeshIndices = new int[0];
BuildLocalMeshForChunk(tileMap, chunk, baseX, baseY, ref localMeshVertices, ref localMeshIndices);
// only process when there are more than two triangles
// avoids a lot of branches later
if (localMeshIndices.Length > 6)
{
// Remove duplicate verts
localMeshVertices = WeldVertices(localMeshVertices, ref localMeshIndices);
// Remove duplicate and back-to-back faces
// Removes inside faces
localMeshIndices = RemoveDuplicateFaces(localMeshIndices);
// Merge coplanar faces
// Optimize (remove unused vertices, reindex)
}
#if !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
foreach (EdgeCollider2D c2d in chunk.edgeColliders)
{
if (c2d != null)
{
tk2dUtil.DestroyImmediate(c2d);
}
}
chunk.edgeColliders.Clear();
#endif
if (localMeshVertices.Length > 0)
{
if (chunk.colliderMesh != null)
{
tk2dUtil.DestroyImmediate(chunk.colliderMesh);
chunk.colliderMesh = null;
}
if (chunk.meshCollider == null)
{
chunk.meshCollider = chunk.gameObject.GetComponent <MeshCollider>();
if (chunk.meshCollider == null)
{
chunk.meshCollider = tk2dUtil.AddComponent <MeshCollider>(chunk.gameObject);
}
}
chunk.colliderMesh = tk2dUtil.CreateMesh();
chunk.colliderMesh.vertices = localMeshVertices;
chunk.colliderMesh.triangles = localMeshIndices;
chunk.colliderMesh.RecalculateBounds();
chunk.meshCollider.sharedMesh = chunk.colliderMesh;
}
else
{
chunk.DestroyColliderData(tileMap);
}
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, ref Vector3[] vertices, ref int[] indices)
{
List<Vector3> vertexList = new List<Vector3>();
List<int> indexList = new List<int>();
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector3 tileSize = tileMap.data.tileSize;
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int tile = chunkData[y * tileMap.partitionSizeX + x];
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
continue;
if (tilePrefabs[tile])
continue;
var spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[tile];
int baseVertexIndex = vertexList.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0] + currentPos;
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
vertexList.Add(new Vector3(min.x, min.y, min.z));
vertexList.Add(new Vector3(min.x, min.y, max.z));
vertexList.Add(new Vector3(max.x, min.y, min.z));
vertexList.Add(new Vector3(max.x, min.y, max.z));
vertexList.Add(new Vector3(min.x, max.y, min.z));
vertexList.Add(new Vector3(min.x, max.y, max.z));
vertexList.Add(new Vector3(max.x, max.y, min.z));
vertexList.Add(new Vector3(max.x, max.y, max.z));
// int[] indicesBack = { 0, 1, 2, 2, 1, 3, 6, 5, 4, 7, 5, 6, 3, 7, 6, 2, 3, 6, 4, 5, 1, 4, 1, 0 };
int[] indicesFwd = { 2, 1, 0, 3, 1, 2, 4, 5, 6, 6, 5, 7, 6, 7, 3, 6, 3, 2, 1, 5, 4, 0, 1, 4 };
var srcIndices = indicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
indexList.Add(baseVertexIndex + srcIndices[i]);
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
for (int i = 0; i < spriteData.colliderVertices.Length; ++i)
{
Vector3 pos = spriteData.colliderVertices[i] + currentPos;
vertexList.Add(pos);
}
var srcIndices = spriteData.colliderIndicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
indexList.Add(baseVertexIndex + srcIndices[i]);
}
}
}
}
vertices = vertexList.ToArray();
indices = indexList.ToArray();
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ColorChunk colorChunk, bool useColor, bool skipPrefabs, int baseX, int baseY)
{
List <Vector3> meshVertices = new List <Vector3>();
List <Color> meshColors = new List <Color>();
List <Vector2> meshUvs = new List <Vector2>();
//List<int> meshIndices = new List<int>();
int[] spriteIds = chunk.spriteIds;
Vector3 tileSize = tileMap.data.tileSize;
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Object[] tilePrefabs = tileMap.data.tilePrefabs;
tk2dSpriteDefinition firstSprite = tileMap.SpriteCollectionInst.FirstValidDefinition;
bool buildNormals = (firstSprite != null && firstSprite.normals != null && firstSprite.normals.Length > 0);
Color32 clearColor = (useColor && tileMap.ColorChannel != null)?tileMap.ColorChannel.clearColor:Color.white;
// revert to no color mode (i.e. fill with clear color) when there isn't a color channel, or it is empty
if (colorChunk == null || colorChunk.colors.Length == 0)
{
useColor = false;
}
int x0, x1, dx;
int y0, y1, dy;
BuilderUtil.GetLoopOrder(tileMap.data.sortMethod,
tileMap.partitionSizeX, tileMap.partitionSizeY,
out x0, out x1, out dx,
out y0, out y1, out dy);
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
List <int>[] meshIndices = new List <int> [tileMap.SpriteCollectionInst.materials.Length];
for (int j = 0; j < meshIndices.Length; ++j)
{
meshIndices[j] = new List <int>();
}
int colorChunkSize = tileMap.partitionSizeX + 1;
for (int y = y0; y != y1; y += dy)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = x0; x != x1; x += dx)
{
int spriteId = spriteIds[y * tileMap.partitionSizeX + x];
int tile = BuilderUtil.GetTileFromRawTile(spriteId);
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
{
continue;
}
if (skipPrefabs && tilePrefabs[tile])
{
continue;
}
var sprite = tileMap.SpriteCollectionInst.spriteDefinitions[tile];
int baseVertex = meshVertices.Count;
for (int v = 0; v < sprite.positions.Length; ++v)
{
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, sprite, sprite.positions[v], flipH, flipV, rot90);
if (useColor)
{
Color tileColorx0y0 = colorChunk.colors[y * colorChunkSize + x];
Color tileColorx1y0 = colorChunk.colors[y * colorChunkSize + x + 1];
Color tileColorx0y1 = colorChunk.colors[(y + 1) * colorChunkSize + x];
Color tileColorx1y1 = colorChunk.colors[(y + 1) * colorChunkSize + (x + 1)];
Vector3 centeredSpriteVertex = flippedPos - sprite.untrimmedBoundsData[0];
Vector3 alignedSpriteVertex = centeredSpriteVertex + tileMap.data.tileSize * 0.5f;
float tileColorX = Mathf.Clamp01(alignedSpriteVertex.x / tileMap.data.tileSize.x);
float tileColorY = Mathf.Clamp01(alignedSpriteVertex.y / tileMap.data.tileSize.y);
Color color = Color.Lerp(
Color.Lerp(tileColorx0y0, tileColorx1y0, tileColorX),
Color.Lerp(tileColorx0y1, tileColorx1y1, tileColorX),
tileColorY);
meshColors.Add(color);
}
else
{
meshColors.Add(clearColor);
}
meshVertices.Add(currentPos + flippedPos);
meshUvs.Add(sprite.uvs[v]);
}
bool reverseIndices = false; // flipped?
if (flipH)
{
reverseIndices = !reverseIndices;
}
if (flipV)
{
reverseIndices = !reverseIndices;
}
List <int> indices = meshIndices[sprite.materialId];
for (int i = 0; i < sprite.indices.Length; ++i)
{
int j = reverseIndices ? (sprite.indices.Length - 1 - i) : i;
indices.Add(baseVertex + sprite.indices[j]);
}
}
}
if (chunk.mesh == null)
{
chunk.mesh = tk2dUtil.CreateMesh();
}
chunk.mesh.vertices = meshVertices.ToArray();
chunk.mesh.uv = meshUvs.ToArray();
chunk.mesh.colors = meshColors.ToArray();
List <Material> materials = new List <Material>();
int materialId = 0;
int subMeshCount = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
materials.Add(tileMap.SpriteCollectionInst.materialInsts[materialId]);
subMeshCount++;
}
materialId++;
}
if (subMeshCount > 0)
{
chunk.mesh.subMeshCount = subMeshCount;
chunk.gameObject.GetComponent <Renderer>().materials = materials.ToArray();
int subMeshId = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
chunk.mesh.SetTriangles(indices.ToArray(), subMeshId);
subMeshId++;
}
}
}
chunk.mesh.RecalculateBounds();
if (buildNormals)
{
chunk.mesh.RecalculateNormals();
}
var meshFilter = chunk.gameObject.GetComponent <MeshFilter>();
meshFilter.sharedMesh = chunk.mesh;
}
private void Optimize(SpriteChunk chunk)
{
bool flag = true;
foreach (int num in chunk.spriteIds)
{
if (num != -1)
{
flag = false;
break;
}
}
if (flag)
{
chunk.spriteIds = new int[0];
}
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, ref Vector2[] vertices, ref int[] indices)
{
List <Vector2> verts = new List <Vector2>();
List <int> inds = new List <int>();
Vector2[] boxPos = new Vector2[4]; // used for box collider
int[] boxInds = { 0, 1, 1, 2, 2, 3, 3, 0 };
int[] boxIndsFlipped = { 0, 3, 3, 2, 2, 1, 1, 0 };
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector2 tileSize = new Vector3(tileMap.data.tileSize.x, tileMap.data.tileSize.y);
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int spriteId = chunkData[y * tileMap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
Vector2 currentPos = new Vector2(tileSize.x * (x + xOffset), tileSize.y * y);
if (spriteIdx < 0 || spriteIdx >= spriteCount)
{
continue;
}
if (tilePrefabs[spriteIdx])
{
continue;
}
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
bool reverseIndices = false;
if (flipH)
{
reverseIndices = !reverseIndices;
}
if (flipV)
{
reverseIndices = !reverseIndices;
}
tk2dSpriteDefinition spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[spriteIdx];
int baseVertexIndex = verts.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0];
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
boxPos[0] = new Vector2(min.x, min.y);
boxPos[1] = new Vector2(max.x, min.y);
boxPos[2] = new Vector2(max.x, max.y);
boxPos[3] = new Vector2(min.x, max.y);
for (int i = 0; i < 4; ++i)
{
verts.Add(BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, boxPos[i], flipH, flipV, rot90) + currentPos);
}
int[] boxIndices = reverseIndices ? boxIndsFlipped : boxInds;
for (int i = 0; i < 8; ++i)
{
inds.Add(baseVertexIndex + boxIndices[i]);
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
foreach (tk2dCollider2DData dat in spriteData.edgeCollider2D)
{
baseVertexIndex = verts.Count;
foreach (Vector2 pos in dat.points)
{
verts.Add(BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos, flipH, flipV, rot90) + currentPos);
}
int numVerts = dat.points.Length;
if (reverseIndices)
{
for (int i = numVerts - 1; i > 0; --i)
{
inds.Add(baseVertexIndex + i);
inds.Add(baseVertexIndex + i - 1);
}
}
else
{
for (int i = 0; i < numVerts - 1; ++i)
{
inds.Add(baseVertexIndex + i);
inds.Add(baseVertexIndex + i + 1);
}
}
}
foreach (tk2dCollider2DData dat in spriteData.polygonCollider2D)
{
baseVertexIndex = verts.Count;
foreach (Vector2 pos in dat.points)
{
verts.Add(BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos, flipH, flipV, rot90) + currentPos);
}
int numVerts = dat.points.Length;
if (reverseIndices)
{
for (int i = numVerts; i > 0; --i)
{
inds.Add(baseVertexIndex + (i % numVerts));
inds.Add(baseVertexIndex + i - 1);
}
}
else
{
for (int i = 0; i < numVerts; ++i)
{
inds.Add(baseVertexIndex + i);
inds.Add(baseVertexIndex + (i + 1) % numVerts);
}
}
}
}
}
}
vertices = verts.ToArray();
indices = inds.ToArray();
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
#if !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
////////////////////////////////////////////////////////////////////////////////////////
// 1. Build local edge list
////////////////////////////////////////////////////////////////////////////////////////
Vector2[] localVerts = new Vector2[0];
int[] localIndices = new int[0];
List <Vector2[]> mergedEdges = new List <Vector2[]>();
BuildLocalMeshForChunk(tileMap, chunk, baseX, baseY, ref localVerts, ref localIndices);
////////////////////////////////////////////////////////////////////////////////////////
// 2. Optimize
////////////////////////////////////////////////////////////////////////////////////////
if (localIndices.Length > 4)
{
// Remove duplicate verts, reindex
localVerts = WeldVertices(localVerts, ref localIndices);
// Remove duplicate and back-to-back edges
// Removes inside edges
localIndices = RemoveDuplicateEdges(localIndices);
}
////////////////////////////////////////////////////////////////////////////////////////
// 3. Build and optimize an edge list
////////////////////////////////////////////////////////////////////////////////////////
mergedEdges = MergeEdges(localVerts, localIndices);
////////////////////////////////////////////////////////////////////////////////////////
// 4. Build the edge colliders
////////////////////////////////////////////////////////////////////////////////////////
if (chunk.meshCollider != null)
{
tk2dUtil.DestroyImmediate(chunk.meshCollider);
chunk.meshCollider = null;
}
if (mergedEdges.Count == 0)
{
for (int i = 0; i < chunk.edgeColliders.Count; ++i)
{
if (chunk.edgeColliders[i] != null)
{
tk2dUtil.DestroyImmediate(chunk.edgeColliders[i]);
}
}
chunk.edgeColliders.Clear();
}
else
{
int numEdges = mergedEdges.Count;
// Destroy surplus
for (int i = numEdges; i < chunk.edgeColliders.Count; ++i)
{
if (chunk.edgeColliders[i] != null)
{
tk2dUtil.DestroyImmediate(chunk.edgeColliders[i]);
}
}
int numToRemove = chunk.edgeColliders.Count - numEdges;
if (numToRemove > 0)
{
chunk.edgeColliders.RemoveRange(chunk.edgeColliders.Count - numToRemove, numToRemove);
}
// Make sure existing ones are not null
for (int i = 0; i < chunk.edgeColliders.Count; ++i)
{
if (chunk.edgeColliders[i] == null)
{
chunk.edgeColliders[i] = tk2dUtil.AddComponent <EdgeCollider2D>(chunk.gameObject);
}
}
// Create missing
while (chunk.edgeColliders.Count < numEdges)
{
chunk.edgeColliders.Add(tk2dUtil.AddComponent <EdgeCollider2D>(chunk.gameObject));
}
for (int i = 0; i < numEdges; ++i)
{
chunk.edgeColliders[i].points = mergedEdges[i];
}
}
#endif
}
/// Spawns all prefabs for a given chunk
/// Expects the chunk to have a valid GameObject
public static void SpawnPrefabsForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, int layer, int[] prefabCounts)
{
var chunkData = chunk.spriteIds;
var tilePrefabs = tileMap.data.tilePrefabs;
Vector3 tileSize = tileMap.data.tileSize;
var parent = chunk.gameObject.transform;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int tile = GetTileFromRawTile(chunkData[y * tileMap.partitionSizeX + x]);
if (tile < 0 || tile >= tilePrefabs.Length)
{
continue;
}
Object prefab = tilePrefabs[tile];
if (prefab != null)
{
prefabCounts[tile]++;
GameObject instance = GetExistingTilePrefabInstance(tileMap, baseX + x, baseY + y, layer);
bool foundExisting = (instance != null);
#if UNITY_EDITOR
if (instance != null)
{
if (UnityEditor.PrefabUtility.GetPrefabParent(instance) != prefab)
{
instance = null;
}
}
#endif
if (instance == null)
{
#if UNITY_EDITOR
instance = UnityEditor.PrefabUtility.InstantiatePrefab(prefab) as GameObject;
#else
instance = GameObject.Instantiate(prefab, Vector3.zero, Quaternion.identity) as GameObject;
#endif
#if UNITY_EDITOR && !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
if (!Application.isPlaying)
{
UnityEditor.Undo.RegisterCreatedObjectUndo(instance, "Instantiated Prefab");
}
#endif
}
if (instance != null)
{
GameObject prefabGameObject = prefab as GameObject;
Vector3 pos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
bool enablePrefabOffset = false;
var tileInfo = tileMap.data.GetTileInfoForSprite(tile);
if (tileInfo != null)
{
enablePrefabOffset = tileInfo.enablePrefabOffset;
}
if (enablePrefabOffset && prefabGameObject != null)
{
pos += prefabGameObject.transform.position;
}
if (!foundExisting)
{
instance.name = prefab.name + " " + prefabCounts[tile].ToString();
}
tk2dUtil.SetTransformParent(instance.transform, parent);
instance.transform.localPosition = pos;
// Add to tilePrefabs list
TilePrefabsX.Add(baseX + x);
TilePrefabsY.Add(baseY + y);
TilePrefabsLayer.Add(layer);
TilePrefabsInstance.Add(instance);
}
}
}
}
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ColorChunk colorChunk, bool useColor, bool skipPrefabs, int baseX, int baseY)
{
List <Vector3> meshVertices = new List <Vector3>();
List <Color> meshColors = new List <Color>();
List <Vector2> meshUvs = new List <Vector2>();
//List<int> meshIndices = new List<int>();
int[] spriteIds = chunk.spriteIds;
Vector3 tileSize = tileMap.data.tileSize;
int spriteCount = tileMap.spriteCollection.spriteDefinitions.Length;
Object[] tilePrefabs = tileMap.data.tilePrefabs;
Color32 clearColor = (useColor && tileMap.ColorChannel != null)?tileMap.ColorChannel.clearColor:Color.white;
// revert to no color mode (i.e. fill with clear color) when there isn't a color channel, or it is empty
if (colorChunk == null || colorChunk.colors.Length == 0)
{
useColor = false;
}
int x0, x1, dx;
int y0, y1, dy;
BuilderUtil.GetLoopOrder(tileMap.data.sortMethod,
tileMap.partitionSizeX, tileMap.partitionSizeY,
out x0, out x1, out dx,
out y0, out y1, out dy);
List <int>[] meshIndices = new List <int> [tileMap.spriteCollection.materials.Length];
for (int j = 0; j < meshIndices.Length; ++j)
{
meshIndices[j] = new List <int>();
}
int colorChunkSize = tileMap.partitionSizeX + 1;
for (int y = y0; y != y1; y += dy)
{
for (int x = x0; x != x1; x += dx)
{
int tile = spriteIds[y * tileMap.partitionSizeX + x];
Vector3 currentPos = new Vector3(tileSize.x * x, tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
{
continue;
}
if (skipPrefabs && tilePrefabs[tile])
{
continue;
}
var sprite = tileMap.spriteCollection.spriteDefinitions[tile];
int baseVertex = meshVertices.Count;
for (int v = 0; v < sprite.positions.Length; ++v)
{
if (useColor)
{
Color tileColorx0y0 = colorChunk.colors[y * colorChunkSize + x];
Color tileColorx1y0 = colorChunk.colors[y * colorChunkSize + x + 1];
Color tileColorx0y1 = colorChunk.colors[(y + 1) * colorChunkSize + x];
Color tileColorx1y1 = colorChunk.colors[(y + 1) * colorChunkSize + (x + 1)];
Vector3 centeredSpriteVertex = sprite.positions[v] - sprite.untrimmedBoundsData[0];
Vector3 alignedSpriteVertex = centeredSpriteVertex + tileMap.data.tileSize * 0.5f;
float tileColorX = Mathf.Clamp01(alignedSpriteVertex.x / tileMap.data.tileSize.x);
float tileColorY = Mathf.Clamp01(alignedSpriteVertex.y / tileMap.data.tileSize.y);
Color color = Color.Lerp(
Color.Lerp(tileColorx0y0, tileColorx1y0, tileColorX),
Color.Lerp(tileColorx0y1, tileColorx1y1, tileColorX),
tileColorY);
meshColors.Add(color);
}
else
{
meshColors.Add(clearColor);
}
meshVertices.Add(currentPos + sprite.positions[v]);
meshUvs.Add(sprite.uvs[v]);
}
List <int> indices = meshIndices[sprite.materialId];
for (int i = 0; i < sprite.indices.Length; ++i)
{
indices.Add(baseVertex + sprite.indices[i]);
}
}
}
chunk.mesh.vertices = meshVertices.ToArray();
chunk.mesh.uv = meshUvs.ToArray();
chunk.mesh.colors = meshColors.ToArray();
List <Material> materials = new List <Material>();
int materialId = 0;
int subMeshCount = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
materials.Add(tileMap.spriteCollection.materials[materialId]);
subMeshCount++;
}
materialId++;
}
if (subMeshCount > 0)
{
chunk.mesh.subMeshCount = subMeshCount;
chunk.gameObject.renderer.materials = materials.ToArray();
int subMeshId = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
chunk.mesh.SetTriangles(indices.ToArray(), subMeshId);
subMeshId++;
}
}
}
chunk.mesh.RecalculateBounds();
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ref Vector3[] vertices, ref int[] indices)
{
List <Vector3> vertexList = new List <Vector3>();
List <int> indexList = new List <int>();
int spriteCount = tileMap.spriteCollection.spriteDefinitions.Length;
Vector3 tileSize = tileMap.data.tileSize;
var tilePrefabs = tileMap.data.tilePrefabs;
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int tile = chunkData[y * tileMap.partitionSizeX + x];
Vector3 currentPos = new Vector3(tileSize.x * x, tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
{
continue;
}
if (tilePrefabs[tile])
{
continue;
}
var spriteData = tileMap.spriteCollection.spriteDefinitions[tile];
int baseVertexIndex = vertexList.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0] + currentPos;
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
vertexList.Add(new Vector3(min.x, min.y, min.z));
vertexList.Add(new Vector3(min.x, min.y, max.z));
vertexList.Add(new Vector3(max.x, min.y, min.z));
vertexList.Add(new Vector3(max.x, min.y, max.z));
vertexList.Add(new Vector3(min.x, max.y, min.z));
vertexList.Add(new Vector3(min.x, max.y, max.z));
vertexList.Add(new Vector3(max.x, max.y, min.z));
vertexList.Add(new Vector3(max.x, max.y, max.z));
// int[] indicesBack = { 0, 1, 2, 2, 1, 3, 6, 5, 4, 7, 5, 6, 3, 7, 6, 2, 3, 6, 4, 5, 1, 4, 1, 0 };
int[] indicesFwd = { 2, 1, 0, 3, 1, 2, 4, 5, 6, 6, 5, 7, 6, 7, 3, 6, 3, 2, 1, 5, 4, 0, 1, 4 };
var srcIndices = indicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
indexList.Add(baseVertexIndex + srcIndices[i]);
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
for (int i = 0; i < spriteData.colliderVertices.Length; ++i)
{
Vector3 pos = spriteData.colliderVertices[i] + currentPos;
vertexList.Add(pos);
}
var srcIndices = spriteData.colliderIndicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
indexList.Add(baseVertexIndex + srcIndices[i]);
}
}
}
}
vertices = vertexList.ToArray();
indices = indexList.ToArray();
}
void Optimize(SpriteChunk chunk)
{
bool empty = true;
foreach (var v in chunk.spriteIds)
{
if (v != -1)
{
empty = false;
break;
}
}
if (empty)
chunk.spriteIds = new int[0];
}
/// Spawns all prefabs for a given chunk
/// Expects the chunk to have a valid GameObject
public static void SpawnPrefabsForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
var chunkData = chunk.spriteIds;
var tilePrefabs = tileMap.data.tilePrefabs;
Vector3 tileSize = tileMap.data.tileSize;
int[] prefabCounts = new int[tilePrefabs.Length];
var parent = chunk.gameObject.transform;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int tile = chunkData[y * tileMap.partitionSizeX + x];
if (tile < 0 || tile >= tilePrefabs.Length)
continue;
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
Object prefab = tilePrefabs[tile];
if (prefab != null)
{
prefabCounts[tile]++;
#if UNITY_EDITOR && !(UNITY_3_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4)
GameObject go = UnityEditor.PrefabUtility.InstantiatePrefab(prefab) as GameObject;
#else
GameObject go = GameObject.Instantiate(prefab, Vector3.zero, Quaternion.identity) as GameObject;
#endif
if (go)
{
go.name = prefab.name + " " + prefabCounts[tile].ToString();
// Position after transforming, as it is in local space
go.transform.parent = parent;
go.transform.localPosition = currentPos;
go.transform.localRotation = Quaternion.identity;
go.transform.localScale = Vector3.one;
}
}
}
}
}
public static unsafe void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ColorChunk colorChunk, bool useColor, bool skipPrefabs, int baseX, int baseY)
{
int num2;
int num3;
int num4;
int num5;
int num6;
int num7;
List<Vector3> list = new List<Vector3>();
List<Color> list2 = new List<Color>();
List<Vector2> list3 = new List<Vector2>();
int[] spriteIds = chunk.spriteIds;
Vector3 tileSize = tileMap.data.tileSize;
int length = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
UnityEngine.Object[] tilePrefabs = tileMap.data.tilePrefabs;
tk2dSpriteDefinition firstValidDefinition = tileMap.SpriteCollectionInst.FirstValidDefinition;
bool flag = ((firstValidDefinition != null) && (firstValidDefinition.normals != null)) && (firstValidDefinition.normals.Length > 0);
Color32 color = (!useColor || (tileMap.ColorChannel == null)) ? Color.white : tileMap.ColorChannel.clearColor;
if ((colorChunk == null) || (colorChunk.colors.Length == 0))
{
useColor = false;
}
BuilderUtil.GetLoopOrder(tileMap.data.sortMethod, tileMap.partitionSizeX, tileMap.partitionSizeY, out num2, out num3, out num4, out num5, out num6, out num7);
float x = 0f;
float y = 0f;
tileMap.data.GetTileOffset(out x, out y);
List<int>[] listArray = new List<int>[tileMap.SpriteCollectionInst.materials.Length];
for (int i = 0; i < listArray.Length; i++)
{
listArray[i] = new List<int>();
}
int num11 = tileMap.partitionSizeX + 1;
for (int j = num5; j != num6; j += num7)
{
float num13 = ((baseY + j) & 1) * x;
for (int k = num2; k != num3; k += num4)
{
int rawTile = spriteIds[(j * tileMap.partitionSizeX) + k];
int tileFromRawTile = BuilderUtil.GetTileFromRawTile(rawTile);
bool flipH = BuilderUtil.IsRawTileFlagSet(rawTile, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(rawTile, tk2dTileFlags.FlipY);
bool flag4 = BuilderUtil.IsRawTileFlagSet(rawTile, tk2dTileFlags.Rot90);
Vector3 vector2 = new Vector3(tileSize.x * (k + num13), tileSize.y * j, 0f);
if (((tileFromRawTile >= 0) && (tileFromRawTile < length)) && (!skipPrefabs || (tilePrefabs[tileFromRawTile] == null)))
{
tk2dSpriteDefinition spriteDef = tileMap.SpriteCollectionInst.spriteDefinitions[tileFromRawTile];
int count = list.Count;
for (int m = 0; m < spriteDef.positions.Length; m++)
{
Vector3 vector3 = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteDef, spriteDef.positions[m], flipH, flipV, flag4);
if (useColor)
{
Color a = *((Color*) &(colorChunk.colors[(j * num11) + k]));
Color b = *((Color*) &(colorChunk.colors[((j * num11) + k) + 1]));
Color color4 = *((Color*) &(colorChunk.colors[((j + 1) * num11) + k]));
Color color5 = *((Color*) &(colorChunk.colors[((j + 1) * num11) + (k + 1)]));
Vector3 vector4 = vector3 - spriteDef.untrimmedBoundsData[0];
Vector3 vector5 = vector4 + ((Vector3) (tileMap.data.tileSize * 0.5f));
float t = Mathf.Clamp01(vector5.x / tileMap.data.tileSize.x);
float num20 = Mathf.Clamp01(vector5.y / tileMap.data.tileSize.y);
Color item = Color.Lerp(Color.Lerp(a, b, t), Color.Lerp(color4, color5, t), num20);
list2.Add(item);
}
else
{
list2.Add((Color) color);
}
list.Add(vector2 + vector3);
list3.Add(spriteDef.uvs[m]);
}
bool flag5 = false;
if (flipH)
{
flag5 = !flag5;
}
if (flipV)
{
flag5 = !flag5;
}
List<int> list4 = listArray[spriteDef.materialId];
for (int n = 0; n < spriteDef.indices.Length; n++)
{
int num22 = !flag5 ? n : ((spriteDef.indices.Length - 1) - n);
list4.Add(count + spriteDef.indices[num22]);
}
}
}
}
if (chunk.mesh == null)
{
chunk.mesh = tk2dUtil.CreateMesh();
}
chunk.mesh.vertices = list.ToArray();
chunk.mesh.uv = list3.ToArray();
chunk.mesh.colors = list2.ToArray();
List<Material> list5 = new List<Material>();
int index = 0;
int num24 = 0;
foreach (List<int> list6 in listArray)
{
if (list6.Count > 0)
{
list5.Add(tileMap.SpriteCollectionInst.materialInsts[index]);
num24++;
}
index++;
}
if (num24 > 0)
{
chunk.mesh.subMeshCount = num24;
chunk.gameObject.renderer.materials = list5.ToArray();
int submesh = 0;
foreach (List<int> list7 in listArray)
{
if (list7.Count > 0)
{
chunk.mesh.SetTriangles(list7.ToArray(), submesh);
submesh++;
}
}
}
chunk.mesh.RecalculateBounds();
if (flag)
{
chunk.mesh.RecalculateNormals();
}
chunk.gameObject.GetComponent<MeshFilter>().sharedMesh = chunk.mesh;
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, ref Vector3[] vertices, ref int[] indices)
{
List<Vector3> vertexList = new List<Vector3>();
List<int> indexList = new List<int>();
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector3 tileSize = tileMap.data.tileSize;
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int spriteId = chunkData[y * tileMap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
if (spriteIdx < 0 || spriteIdx >= spriteCount)
continue;
if (tilePrefabs[spriteIdx])
continue;
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
bool reverseIndices = false;
if (flipH) reverseIndices = !reverseIndices;
if (flipV) reverseIndices = !reverseIndices;
var spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[spriteIdx];
int baseVertexIndex = vertexList.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0];
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
Vector3[] pos = new Vector3[8];
pos[0] = new Vector3(min.x, min.y, min.z);
pos[1] = new Vector3(min.x, min.y, max.z);
pos[2] = new Vector3(max.x, min.y, min.z);
pos[3] = new Vector3(max.x, min.y, max.z);
pos[4] = new Vector3(min.x, max.y, min.z);
pos[5] = new Vector3(min.x, max.y, max.z);
pos[6] = new Vector3(max.x, max.y, min.z);
pos[7] = new Vector3(max.x, max.y, max.z);
for (int i = 0; i < 8; ++i) {
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos[i], flipH, flipV, rot90);
vertexList.Add (flippedPos + currentPos);
}
// int[] indicesBack = { 0, 1, 2, 2, 1, 3, 6, 5, 4, 7, 5, 6, 3, 7, 6, 2, 3, 6, 4, 5, 1, 4, 1, 0 };
int[] indicesFwd = { 2, 1, 0, 3, 1, 2, 4, 5, 6, 6, 5, 7, 6, 7, 3, 6, 3, 2, 1, 5, 4, 0, 1, 4 };
var srcIndices = indicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
int j = reverseIndices ? (srcIndices.Length - 1 - i) : i;
indexList.Add(baseVertexIndex + srcIndices[j]);
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
for (int i = 0; i < spriteData.colliderVertices.Length; ++i)
{
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, spriteData.colliderVertices[i], flipH, flipV, rot90);
vertexList.Add(flippedPos + currentPos);
}
var srcIndices = spriteData.colliderIndicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
int j = reverseIndices ? (srcIndices.Length - 1 - i) : i;
indexList.Add(baseVertexIndex + srcIndices[j]);
}
}
}
}
vertices = vertexList.ToArray();
indices = indexList.ToArray();
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ColorChunk colorChunk, bool useColor, bool skipPrefabs, int baseX, int baseY)
{
List<Vector3> meshVertices = new List<Vector3>();
List<Color> meshColors = new List<Color>();
List<Vector2> meshUvs = new List<Vector2>();
//List<int> meshIndices = new List<int>();
int[] spriteIds = chunk.spriteIds;
Vector3 tileSize = tileMap.data.tileSize;
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Object[] tilePrefabs = tileMap.data.tilePrefabs;
tk2dSpriteDefinition firstSprite = tileMap.SpriteCollectionInst.FirstValidDefinition;
bool buildNormals = (firstSprite != null && firstSprite.normals != null && firstSprite.normals.Length > 0);
Color32 clearColor = (useColor && tileMap.ColorChannel != null)?tileMap.ColorChannel.clearColor:Color.white;
// revert to no color mode (i.e. fill with clear color) when there isn't a color channel, or it is empty
if (colorChunk == null || colorChunk.colors.Length == 0)
useColor = false;
int x0, x1, dx;
int y0, y1, dy;
BuilderUtil.GetLoopOrder(tileMap.data.sortMethod,
tileMap.partitionSizeX, tileMap.partitionSizeY,
out x0, out x1, out dx,
out y0, out y1, out dy);
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
List<int>[] meshIndices = new List<int>[tileMap.SpriteCollectionInst.materials.Length];
for (int j = 0; j < meshIndices.Length; ++j)
meshIndices[j] = new List<int>();
int colorChunkSize = tileMap.partitionSizeX + 1;
for (int y = y0; y != y1; y += dy)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = x0; x != x1; x += dx)
{
int spriteId = spriteIds[y * tileMap.partitionSizeX + x];
int tile = BuilderUtil.GetTileFromRawTile(spriteId);
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
continue;
if (skipPrefabs && tilePrefabs[tile])
continue;
var sprite = tileMap.SpriteCollectionInst.spriteDefinitions[tile];
int baseVertex = meshVertices.Count;
for (int v = 0; v < sprite.positions.Length; ++v)
{
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, sprite, sprite.positions[v], flipH, flipV, rot90);
if (useColor)
{
Color tileColorx0y0 = colorChunk.colors[y * colorChunkSize + x];
Color tileColorx1y0 = colorChunk.colors[y * colorChunkSize + x + 1];
Color tileColorx0y1 = colorChunk.colors[(y + 1) * colorChunkSize + x];
Color tileColorx1y1 = colorChunk.colors[(y + 1) * colorChunkSize + (x + 1)];
Vector3 centeredSpriteVertex = flippedPos - sprite.untrimmedBoundsData[0];
Vector3 alignedSpriteVertex = centeredSpriteVertex + tileMap.data.tileSize * 0.5f;
float tileColorX = Mathf.Clamp01(alignedSpriteVertex.x / tileMap.data.tileSize.x);
float tileColorY = Mathf.Clamp01(alignedSpriteVertex.y / tileMap.data.tileSize.y);
Color color = Color.Lerp(
Color.Lerp(tileColorx0y0, tileColorx1y0, tileColorX),
Color.Lerp(tileColorx0y1, tileColorx1y1, tileColorX),
tileColorY);
meshColors.Add(color);
}
else
{
meshColors.Add(clearColor);
}
meshVertices.Add(currentPos + flippedPos);
meshUvs.Add(sprite.uvs[v]);
}
bool reverseIndices = false; // flipped?
if (flipH) reverseIndices = !reverseIndices;
if (flipV) reverseIndices = !reverseIndices;
List<int> indices = meshIndices[sprite.materialId];
for (int i = 0; i < sprite.indices.Length; ++i) {
int j = reverseIndices ? (sprite.indices.Length - 1 - i) : i;
indices.Add(baseVertex + sprite.indices[j]);
}
}
}
if (chunk.mesh == null)
chunk.mesh = tk2dUtil.CreateMesh();
chunk.mesh.vertices = meshVertices.ToArray();
chunk.mesh.uv = meshUvs.ToArray();
chunk.mesh.colors = meshColors.ToArray();
List<Material> materials = new List<Material>();
int materialId = 0;
int subMeshCount = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
materials.Add(tileMap.SpriteCollectionInst.materialInsts[materialId]);
subMeshCount++;
}
materialId++;
}
if (subMeshCount > 0)
{
chunk.mesh.subMeshCount = subMeshCount;
chunk.gameObject.renderer.materials = materials.ToArray();
int subMeshId = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
chunk.mesh.SetTriangles(indices.ToArray(), subMeshId);
subMeshId++;
}
}
}
chunk.mesh.RecalculateBounds();
if (buildNormals) {
chunk.mesh.RecalculateNormals();
}
var meshFilter = chunk.gameObject.GetComponent<MeshFilter>();
meshFilter.sharedMesh = chunk.mesh;
}
public static void BuildPolygonCollidersForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY)
{
// Clear colliders
EdgeCollider2D[] edgeColliders = chunk.gameObject.GetComponents <EdgeCollider2D>();
foreach (var ec in edgeColliders)
{
tk2dUtil.DestroyImmediate(ec);
}
chunk.edgeColliders.Clear();
PolygonCollider2D[] polyColliders = chunk.gameObject.GetComponents <PolygonCollider2D>();
foreach (var pc in polyColliders)
{
tk2dUtil.DestroyImmediate(pc);
}
Vector2[] boxPos = new Vector2[4]; // used for box collider
List <List <Vector2> > paths = new List <List <Vector2> >();
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector2 tileSize = new Vector3(tileMap.data.tileSize.x, tileMap.data.tileSize.y);
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
List <Vector2> cachedPoints = new List <Vector2>();
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int spriteId = chunkData[y * tileMap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
Vector2 currentPos = new Vector2(tileSize.x * (x + xOffset), tileSize.y * y);
if (spriteIdx < 0 || spriteIdx >= spriteCount)
{
continue;
}
if (tilePrefabs[spriteIdx])
{
continue;
}
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
bool reverseIndices = false;
if (flipH)
{
reverseIndices = !reverseIndices;
}
if (flipV)
{
reverseIndices = !reverseIndices;
}
tk2dSpriteDefinition spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[spriteIdx];
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0];
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
boxPos[0] = new Vector2(min.x, min.y);
boxPos[1] = new Vector2(max.x, min.y);
boxPos[2] = new Vector2(max.x, max.y);
boxPos[3] = new Vector2(min.x, max.y);
List <Vector2> thisList = new List <Vector2>();
int start = reverseIndices ? 3 : 0;
int end = reverseIndices ? -1 : 4;
int inc = reverseIndices ? -1 : 1;
for (int i = start; i != end; i += inc)
{
thisList.Add(BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, boxPos[i], flipH, flipV, rot90) + currentPos);
}
paths.Add(thisList);
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
cachedPoints.Clear();
List <Vector2> points = new List <Vector2>();
foreach (tk2dCollider2DData dat in spriteData.polygonCollider2D)
{
foreach (Vector2 pos in dat.points)
{
cachedPoints.Add(BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos, flipH, flipV, rot90) + currentPos);
}
int numVerts = dat.points.Length;
if (reverseIndices)
{
for (int i = cachedPoints.Count - 1; i >= 0; --i)
{
points.Add(cachedPoints[i]);
}
}
else
{
for (int i = 0; i < numVerts; ++i)
{
points.Add(cachedPoints[i]);
}
}
}
paths.Add(points);
}
}
}
int numPathsPerObject = 64;
int startPath = 0;
int pathsRemaining = paths.Count;
while (pathsRemaining > 0)
{
int pathsThisRound = Mathf.Min(numPathsPerObject, pathsRemaining);
PolygonCollider2D newPc = chunk.gameObject.AddComponent <PolygonCollider2D>();
newPc.pathCount = pathsThisRound;
for (int i = 0; i < pathsThisRound; ++i)
{
newPc.SetPath(i, paths[startPath + i].ToArray());
}
startPath += pathsThisRound;
pathsRemaining -= pathsThisRound;
}
}
/// Spawns all prefabs for a given chunk
/// Expects the chunk to have a valid GameObject
public static void SpawnPrefabsForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, int layer, int[] prefabCounts)
{
var chunkData = chunk.spriteIds;
var tilePrefabs = tileMap.data.tilePrefabs;
Vector3 tileSize = tileMap.data.tileSize;
var parent = chunk.gameObject.transform;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int tile = GetTileFromRawTile(chunkData[y * tileMap.partitionSizeX + x]);
if (tile < 0 || tile >= tilePrefabs.Length)
continue;
Object prefab = tilePrefabs[tile];
if (prefab != null)
{
prefabCounts[tile]++;
GameObject instance = GetExistingTilePrefabInstance(tileMap, baseX + x, baseY + y, layer);
bool foundExisting = (instance != null);
#if UNITY_EDITOR
if (instance != null) {
if (UnityEditor.PrefabUtility.GetPrefabParent(instance) != prefab) {
instance = null;
}
}
#endif
if (instance == null) {
#if UNITY_EDITOR
instance = UnityEditor.PrefabUtility.InstantiatePrefab(prefab) as GameObject;
#else
instance = GameObject.Instantiate(prefab, Vector3.zero, Quaternion.identity) as GameObject;
#endif
#if UNITY_EDITOR && !(UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_1 || UNITY_4_2)
if (!Application.isPlaying) {
UnityEditor.Undo.RegisterCreatedObjectUndo(instance, "Instantiated Prefab");
}
#endif
}
if (instance != null) {
GameObject prefabGameObject = prefab as GameObject;
Vector3 pos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
bool enablePrefabOffset = false;
var tileInfo = tileMap.data.GetTileInfoForSprite(tile);
if (tileInfo != null)
enablePrefabOffset = tileInfo.enablePrefabOffset;
if (enablePrefabOffset && prefabGameObject != null)
pos += prefabGameObject.transform.position;
if (!foundExisting)
instance.name = prefab.name + " " + prefabCounts[tile].ToString();
tk2dUtil.SetTransformParent(instance.transform, parent);
instance.transform.localPosition = pos;
// Add to tilePrefabs list
TilePrefabsX.Add(baseX + x);
TilePrefabsY.Add(baseY + y);
TilePrefabsLayer.Add(layer);
TilePrefabsInstance.Add(instance);
}
}
}
}
}
public static void BuildForChunk(tk2dTileMap tileMap, SpriteChunk chunk, ColorChunk colorChunk, bool useColor, bool skipPrefabs, int baseX, int baseY)
{
List<Vector3> meshVertices = new List<Vector3>();
List<Color> meshColors = new List<Color>();
List<Vector2> meshUvs = new List<Vector2>();
//List<int> meshIndices = new List<int>();
int[] spriteIds = chunk.spriteIds;
Vector3 tileSize = tileMap.data.tileSize;
int spriteCount = tileMap.spriteCollection.spriteDefinitions.Length;
Object[] tilePrefabs = tileMap.data.tilePrefabs;
Color32 clearColor = (useColor && tileMap.ColorChannel != null)?tileMap.ColorChannel.clearColor:Color.white;
// revert to no color mode (i.e. fill with clear color) when there isn't a color channel, or it is empty
if (colorChunk == null || colorChunk.colors.Length == 0)
useColor = false;
int x0, x1, dx;
int y0, y1, dy;
BuilderUtil.GetLoopOrder(tileMap.data.sortMethod,
tileMap.partitionSizeX, tileMap.partitionSizeY,
out x0, out x1, out dx,
out y0, out y1, out dy);
List<int>[] meshIndices = new List<int>[tileMap.spriteCollection.materials.Length];
for (int j = 0; j < meshIndices.Length; ++j)
meshIndices[j] = new List<int>();
int colorChunkSize = tileMap.partitionSizeX + 1;
for (int y = y0; y != y1; y += dy)
{
for (int x = x0; x != x1; x += dx)
{
int tile = spriteIds[y * tileMap.partitionSizeX + x];
Vector3 currentPos = new Vector3(tileSize.x * x, tileSize.y * y, 0);
if (tile < 0 || tile >= spriteCount)
continue;
if (skipPrefabs && tilePrefabs[tile])
continue;
var sprite = tileMap.spriteCollection.spriteDefinitions[tile];
int baseVertex = meshVertices.Count;
for (int v = 0; v < sprite.positions.Length; ++v)
{
if (useColor)
{
Color tileColorx0y0 = colorChunk.colors[y * colorChunkSize + x];
Color tileColorx1y0 = colorChunk.colors[y * colorChunkSize + x + 1];
Color tileColorx0y1 = colorChunk.colors[(y + 1) * colorChunkSize + x];
Color tileColorx1y1 = colorChunk.colors[(y + 1) * colorChunkSize + (x + 1)];
Vector3 centeredSpriteVertex = sprite.positions[v] - sprite.untrimmedBoundsData[0];
Vector3 alignedSpriteVertex = centeredSpriteVertex + tileMap.data.tileSize * 0.5f;
float tileColorX = Mathf.Clamp01(alignedSpriteVertex.x / tileMap.data.tileSize.x);
float tileColorY = Mathf.Clamp01(alignedSpriteVertex.y / tileMap.data.tileSize.y);
Color color = Color.Lerp(
Color.Lerp(tileColorx0y0, tileColorx1y0, tileColorX),
Color.Lerp(tileColorx0y1, tileColorx1y1, tileColorX),
tileColorY);
meshColors.Add(color);
}
else
{
meshColors.Add(clearColor);
}
meshVertices.Add(currentPos + sprite.positions[v]);
meshUvs.Add(sprite.uvs[v]);
}
List<int> indices = meshIndices[sprite.materialId];
for (int i = 0; i < sprite.indices.Length; ++i)
indices.Add(baseVertex + sprite.indices[i]);
}
}
if (chunk.mesh == null)
chunk.mesh = tileMap.GetOrCreateMesh();
chunk.mesh.vertices = meshVertices.ToArray();
chunk.mesh.uv = meshUvs.ToArray();
chunk.mesh.colors = meshColors.ToArray();
List<Material> materials = new List<Material>();
int materialId = 0;
int subMeshCount = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
materials.Add(tileMap.spriteCollection.materials[materialId]);
subMeshCount++;
}
materialId++;
}
if (subMeshCount > 0)
{
chunk.mesh.subMeshCount = subMeshCount;
chunk.gameObject.renderer.materials = materials.ToArray();
int subMeshId = 0;
foreach (var indices in meshIndices)
{
if (indices.Count > 0)
{
chunk.mesh.SetTriangles(indices.ToArray(), subMeshId);
subMeshId++;
}
}
}
chunk.mesh.RecalculateBounds();
if (tileMap.serializeRenderData)
chunk.mesh.RecalculateNormals();
var meshFilter = chunk.gameObject.GetComponent<MeshFilter>();
meshFilter.sharedMesh = chunk.mesh;
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, ref Vector2[] vertices, ref int[] indices)
{
List<Vector2> verts = new List<Vector2>();
List<int> inds = new List<int>();
Vector2[] boxPos = new Vector2[4]; // used for box collider
int[] boxInds = { 0, 1, 1, 2, 2, 3, 3, 0 };
int[] boxIndsFlipped = { 0, 3, 3, 2, 2, 1, 1, 0 };
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector2 tileSize = new Vector3(tileMap.data.tileSize.x, tileMap.data.tileSize.y);
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int spriteId = chunkData[y * tileMap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
Vector2 currentPos = new Vector2(tileSize.x * (x + xOffset), tileSize.y * y);
if (spriteIdx < 0 || spriteIdx >= spriteCount)
continue;
if (tilePrefabs[spriteIdx])
continue;
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
bool reverseIndices = false;
if (flipH) reverseIndices = !reverseIndices;
if (flipV) reverseIndices = !reverseIndices;
tk2dSpriteDefinition spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[spriteIdx];
int baseVertexIndex = verts.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0];
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
boxPos[0] = new Vector2(min.x, min.y);
boxPos[1] = new Vector2(max.x, min.y);
boxPos[2] = new Vector2(max.x, max.y);
boxPos[3] = new Vector2(min.x, max.y);
for (int i = 0; i < 4; ++i) {
verts.Add( BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, boxPos[i], flipH, flipV, rot90) + currentPos );
}
int[] boxIndices = reverseIndices ? boxIndsFlipped : boxInds;
for (int i = 0; i < 8; ++i) {
inds.Add( baseVertexIndex + boxIndices[i] );
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
foreach (tk2dCollider2DData dat in spriteData.edgeCollider2D) {
foreach (Vector2 pos in dat.points) {
verts.Add( BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos, flipH, flipV, rot90) + currentPos );
}
int numVerts = dat.points.Length;
if (reverseIndices) {
for (int i = numVerts - 1; i > 0; --i) {
inds.Add( baseVertexIndex + i );
inds.Add( baseVertexIndex + i - 1 );
}
}
else {
for (int i = 0; i < numVerts - 1; ++i) {
inds.Add(baseVertexIndex + i);
inds.Add(baseVertexIndex + i + 1);
}
}
}
foreach (tk2dCollider2DData dat in spriteData.polygonCollider2D) {
foreach (Vector2 pos in dat.points) {
verts.Add( BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos, flipH, flipV, rot90) + currentPos );
}
int numVerts = dat.points.Length;
if (reverseIndices) {
for (int i = numVerts; i > 0; --i) {
inds.Add( baseVertexIndex + (i % numVerts) );
inds.Add( baseVertexIndex + i - 1 );
}
}
else {
for (int i = 0; i < numVerts; ++i) {
inds.Add(baseVertexIndex + i);
inds.Add(baseVertexIndex + (i + 1) % numVerts);
}
}
}
}
}
}
vertices = verts.ToArray();
indices = inds.ToArray();
}
// Builds an unoptimized mesh for this chunk
static void BuildLocalMeshForChunk(tk2dTileMap tileMap, SpriteChunk chunk, int baseX, int baseY, ref Vector3[] vertices, ref int[] indices)
{
List <Vector3> vertexList = new List <Vector3>();
List <int> indexList = new List <int>();
int spriteCount = tileMap.SpriteCollectionInst.spriteDefinitions.Length;
Vector3 tileSize = tileMap.data.tileSize;
var tilePrefabs = tileMap.data.tilePrefabs;
float xOffsetMult = 0.0f, yOffsetMult = 0.0f;
tileMap.data.GetTileOffset(out xOffsetMult, out yOffsetMult);
var chunkData = chunk.spriteIds;
for (int y = 0; y < tileMap.partitionSizeY; ++y)
{
float xOffset = ((baseY + y) & 1) * xOffsetMult;
for (int x = 0; x < tileMap.partitionSizeX; ++x)
{
int spriteId = chunkData[y * tileMap.partitionSizeX + x];
int spriteIdx = BuilderUtil.GetTileFromRawTile(spriteId);
Vector3 currentPos = new Vector3(tileSize.x * (x + xOffset), tileSize.y * y, 0);
if (spriteIdx < 0 || spriteIdx >= spriteCount)
{
continue;
}
if (tilePrefabs[spriteIdx])
{
continue;
}
bool flipH = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipX);
bool flipV = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.FlipY);
bool rot90 = BuilderUtil.IsRawTileFlagSet(spriteId, tk2dTileFlags.Rot90);
bool reverseIndices = false;
if (flipH)
{
reverseIndices = !reverseIndices;
}
if (flipV)
{
reverseIndices = !reverseIndices;
}
var spriteData = tileMap.SpriteCollectionInst.spriteDefinitions[spriteIdx];
int baseVertexIndex = vertexList.Count;
if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Box)
{
Vector3 origin = spriteData.colliderVertices[0];
Vector3 extents = spriteData.colliderVertices[1];
Vector3 min = origin - extents;
Vector3 max = origin + extents;
Vector3[] pos = new Vector3[8];
pos[0] = new Vector3(min.x, min.y, min.z);
pos[1] = new Vector3(min.x, min.y, max.z);
pos[2] = new Vector3(max.x, min.y, min.z);
pos[3] = new Vector3(max.x, min.y, max.z);
pos[4] = new Vector3(min.x, max.y, min.z);
pos[5] = new Vector3(min.x, max.y, max.z);
pos[6] = new Vector3(max.x, max.y, min.z);
pos[7] = new Vector3(max.x, max.y, max.z);
for (int i = 0; i < 8; ++i)
{
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, pos[i], flipH, flipV, rot90);
vertexList.Add(flippedPos + currentPos);
}
// int[] indicesBack = { 0, 1, 2, 2, 1, 3, 6, 5, 4, 7, 5, 6, 3, 7, 6, 2, 3, 6, 4, 5, 1, 4, 1, 0 };
int[] indicesFwd = { 2, 1, 0, 3, 1, 2, 4, 5, 6, 6, 5, 7, 6, 7, 3, 6, 3, 2, 1, 5, 4, 0, 1, 4 };
var srcIndices = indicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
int j = reverseIndices ? (srcIndices.Length - 1 - i) : i;
indexList.Add(baseVertexIndex + srcIndices[j]);
}
}
else if (spriteData.colliderType == tk2dSpriteDefinition.ColliderType.Mesh)
{
for (int i = 0; i < spriteData.colliderVertices.Length; ++i)
{
Vector3 flippedPos = BuilderUtil.ApplySpriteVertexTileFlags(tileMap, spriteData, spriteData.colliderVertices[i], flipH, flipV, rot90);
vertexList.Add(flippedPos + currentPos);
}
var srcIndices = spriteData.colliderIndicesFwd;
for (int i = 0; i < srcIndices.Length; ++i)
{
int j = reverseIndices ? (srcIndices.Length - 1 - i) : i;
indexList.Add(baseVertexIndex + srcIndices[j]);
}
}
}
}
vertices = vertexList.ToArray();
indices = indexList.ToArray();
}