static public void Shadow(LightingBuffer2D buffer, LightingTilemapCollider2D id, float lightSizeSquared, float z)
{
if (id.colliderType == LightingTilemapCollider2D.ColliderType.None)
{
return;
}
if (id.colliderType == LightingTilemapCollider2D.ColliderType.Collider)
{
// Adjust Color?
Fill_Component(buffer, id, lightSizeSquared, z);
Penumbra_Component(buffer, id, lightSizeSquared, z);
return;
}
if (id.map == null)
{
return;
}
manager = LightingManager2D.Get();
SetupLocation(buffer, id);
CalculatePenumbra();
bool penumbra = manager.drawPenumbra;
bool drawAbove = buffer.lightSource.whenInsideCollider == LightingSource2D.WhenInsideCollider.DrawAbove;
for (int x = newPositionInt.x - sizeInt; x < newPositionInt.x + sizeInt; x++)
{
for (int y = newPositionInt.y - sizeInt; y < newPositionInt.y + sizeInt; y++)
{
if (x < 0 || y < 0)
{
continue;
}
if (x >= id.area.size.x || y >= id.area.size.y)
{
continue;
}
tile = id.map[x, y];
if (tile == null)
{
continue;
}
polygons = tile.GetPolygon(id);
if (polygons == null || polygons.Count < 1)
{
continue;
}
polyOffset.x = x + tilemapOffset.x;
polyOffset.y = y + tilemapOffset.y;
if (id.mapType == LightingTilemapCollider2D.MapType.SuperTilemapEditor)
{
polyOffset.x -= id.area.size.x / 2;
polyOffset.y -= id.area.size.y / 2;
}
polyOffset.x *= scale.x;
polyOffset.y *= scale.y;
polyOffset2.x = (float)polyOffset.x;
polyOffset2.y = (float)polyOffset.y;
if (LightingManager2D.culling && Vector2.Distance(polyOffset2, buffer.lightSource.transform.position) > 2 + buffer.lightSource.lightSize)
{
LightingDebug.culled++;
continue;
}
polyOffset.x += offset.x;
polyOffset.y += offset.y;
inverseOffset.x = -polyOffset.x;
inverseOffset.y = -polyOffset.y;
pairList2 = tile.GetPairs(id);
for (int i = 0; i < polygons.Count; i++)
{
polygon = polygons[i];
if (drawAbove && polygon.PointInPoly(inverseOffset))
{
continue;
}
LightingDebug.shadowGenerations++;
pairList = pairList2[i];
GL.Color(Color.black);
for (int e = 0; e < pairList.Count; e++)
{
p = pairList[e];
vA.x = p.A.x + polyOffset.x;
vA.y = p.A.y + polyOffset.y;
vB.x = p.B.x + polyOffset.x;
vB.y = p.B.y + polyOffset.y;
vC.x = p.A.x + polyOffset.x;
vC.y = p.A.y + polyOffset.y;
vD.x = p.B.x + polyOffset.x;
vD.y = p.B.y + polyOffset.y;
rot = System.Math.Atan2(vA.y - zero.y, vA.x - zero.x);
vA.x += System.Math.Cos(rot) * lightSizeSquared;
vA.y += System.Math.Sin(rot) * lightSizeSquared;
rot = System.Math.Atan2(vB.y - zero.y, vB.x - zero.x);
vB.x += System.Math.Cos(rot) * lightSizeSquared;
vB.y += System.Math.Sin(rot) * lightSizeSquared;
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vC.x, (float)vC.y, z);
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vD.x, (float)vD.y, z);
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vA.x, (float)vA.y, z);
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vA.x, (float)vA.y, z);
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vB.x, (float)vB.y, z);
GL.TexCoord3(Max2DMatrix.c_x, Max2DMatrix.c_y, 0);
GL.Vertex3((float)vD.x, (float)vD.y, z);
}
if (penumbra)
{
GL.Color(Color.white);
for (int e = 0; e < pairList.Count; e++)
{
p = pairList[e];
vA.x = p.A.x + polyOffset.x;
vA.y = p.A.y + polyOffset.y;
pA.x = p.A.x + polyOffset.x;
pA.y = p.A.y + polyOffset.y;
pB.x = p.B.x + polyOffset.x;
pB.y = p.B.y + polyOffset.y;
vB.x = p.B.x + polyOffset.x;
vB.y = p.B.y + polyOffset.y;
vC.x = p.A.x + polyOffset.x;
vC.y = p.A.y + polyOffset.y;
vD.x = p.B.x + polyOffset.x;
vD.y = p.B.y + polyOffset.y;
angleA = (float)System.Math.Atan2(vA.y - zero.y, vA.x - zero.x);
angleB = (float)System.Math.Atan2(vB.y - zero.y, vB.x - zero.x);
vA.x += System.Math.Cos(angleA) * lightSizeSquared;
vA.y += System.Math.Sin(angleA) * lightSizeSquared;
vB.x += System.Math.Cos(angleB) * lightSizeSquared;
vB.y += System.Math.Sin(angleB) * lightSizeSquared;
rot = angleA - Mathf.Deg2Rad * buffer.lightSource.occlusionSize;
pA.x += System.Math.Cos(rot) * lightSizeSquared;
pA.y += System.Math.Sin(rot) * lightSizeSquared;
rot = angleB + Mathf.Deg2Rad * buffer.lightSource.occlusionSize;
pB.x += System.Math.Cos(rot) * lightSizeSquared;
pB.y += System.Math.Sin(rot) * lightSizeSquared;
GL.TexCoord3(uvRectX, uvRectY, 0);
GL.Vertex3((float)vC.x, (float)vC.y, z);
GL.TexCoord3(uvRectWidth, uvRectHeight, 0);
GL.Vertex3((float)vA.x, (float)vA.y, z);
GL.TexCoord3((float)uvRectX, uvRectHeight, 0);
GL.Vertex3((float)pA.x, (float)pA.y, z);
GL.TexCoord3(uvRectX, uvRectY, 0);
GL.Vertex3((float)vD.x, (float)vD.y, z);
GL.TexCoord3(uvRectWidth, uvRectY, 0);
GL.Vertex3((float)vB.x, (float)vB.y, z);
GL.TexCoord3(uvRectX, uvRectHeight, 0);
GL.Vertex3((float)pB.x, (float)pB.y, z);
}
}
}
}
}
}
static public void DrawShadow(LightingBuffer2D buffer, LightingTile tile, Vector2D polyOffset, LightingTilemapCollider2D tilemap, float lightSizeSquared, float z)
{
if (tile.GetPairs(tilemap).Count < 1)
{
return;
}
LightingBufferTilemapRectangle.pairList = tile.GetPairs(tilemap)[0];
Pair2D p;
Vector2D zero = Vector2D.Zero();
GL.Color(Color.black);
for (int s = 0; s < LightingBufferTilemapRectangle.pairList.Count; s++)
{
p = LightingBufferTilemapRectangle.pairList[s];
vA.x = p.A.x + polyOffset.x;
vA.y = p.A.y + polyOffset.y;
vB.x = p.B.x + polyOffset.x;
vB.y = p.B.y + polyOffset.y;
vC.x = p.A.x + polyOffset.x;
vC.y = p.A.y + polyOffset.y;
vD.x = p.B.x + polyOffset.x;
vD.y = p.B.y + polyOffset.y;
vA.Push(Vector2D.Atan2(vA, zero), lightSizeSquared);
vB.Push(Vector2D.Atan2(vB, zero), lightSizeSquared);
Max2DMatrix.DrawTriangle(vC, vD, vA, zero, z);
Max2DMatrix.DrawTriangle(vA, vB, vD, zero, z);
}
Sprite penumbraSprite = LightingManager2D.Get().materials.GetAtlasPenumbraSprite();
float angleA, angleB;
Rect uvRect = new Rect((float)penumbraSprite.rect.x / penumbraSprite.texture.width, (float)penumbraSprite.rect.y / penumbraSprite.texture.height, (float)penumbraSprite.rect.width / penumbraSprite.texture.width, (float)penumbraSprite.rect.height / penumbraSprite.texture.height);
uvRect.width += uvRect.x;
uvRect.height += uvRect.y;
uvRect.x += 1f / 2048;
uvRect.y += 1f / 2048;
uvRect.width -= 1f / 2048;
uvRect.height -= 1f / 2048;
GL.Color(Color.white);
for (int s = 0; s < LightingBufferTilemapRectangle.pairList.Count; s++)
{
p = LightingBufferTilemapRectangle.pairList[s];
vA.x = p.A.x + polyOffset.x;
vA.y = p.A.y + polyOffset.y;
pA.x = p.A.x + polyOffset.x;
pA.y = p.A.y + polyOffset.y;
pB.x = p.B.x + polyOffset.x;
pB.y = p.B.y + polyOffset.y;
vB.x = p.B.x + polyOffset.x;
vB.y = p.B.y + polyOffset.y;
vC.x = p.A.x + polyOffset.x;
vC.y = p.A.y + polyOffset.y;
vD.x = p.B.x + polyOffset.x;
vD.y = p.B.y + polyOffset.y;
angleA = (float)Vector2D.Atan2(vA, zero);
angleB = (float)Vector2D.Atan2(vB, zero);
vA.Push(angleA, lightSizeSquared);
pA.Push(angleA - Mathf.Deg2Rad * buffer.lightSource.occlusionSize, lightSizeSquared);
vB.Push(angleB, lightSizeSquared);
pB.Push(angleB + Mathf.Deg2Rad * buffer.lightSource.occlusionSize, lightSizeSquared);
GL.TexCoord2(uvRect.x, uvRect.y);
GL.Vertex3((float)vC.x, (float)vC.y, z);
GL.TexCoord2(uvRect.width, uvRect.y);
GL.Vertex3((float)vA.x, (float)vA.y, z);
GL.TexCoord2((float)uvRect.x, uvRect.height);
GL.Vertex3((float)pA.x, (float)pA.y, z);
GL.TexCoord2(uvRect.x, uvRect.y);
GL.Vertex3((float)vD.x, (float)vD.y, z);
GL.TexCoord2(uvRect.width, uvRect.y);
GL.Vertex3((float)vB.x, (float)vB.y, z);
GL.TexCoord2(uvRect.x, uvRect.height);
GL.Vertex3((float)pB.x, (float)pB.y, z);
}
LightingDebug.shadowGenerations++;
}