protected override unsafe void UpdateMesh(LandTile tile, int baseColor)
{
int shadow1 = MapLighting.GetShadow(tile.facet, tile.ax, tile.ay);
int shadow2 = MapLighting.GetShadow(tile.facet, tile.ax + 1, tile.ay);
int shadow3 = MapLighting.GetShadow(tile.facet, tile.ax + 1, tile.ay + 1);
int shadow4 = MapLighting.GetShadow(tile.facet, tile.ax, tile.ay + 1);
fixed(TransformedColoredTextured *pMesh = this._mesh)
{
TransformedColoredTextured[] transformedColoredTexturedArray = this._mesh;
int divisions = this._meshProvider.Divisions;
int stride = this._meshProvider.Stride;
if (divisions == 1)
{
TerrainMesh3D.UpdateSimpleMesh(pMesh, shadow1, shadow2, shadow3, shadow4);
}
else
{
this.UpdateMeshComplex(shadow1, shadow2, shadow3, shadow4);
}
}
}
private unsafe void UpdateMeshComplex(int s00, int s10, int s11, int s01)
{
int stride = this._meshProvider.Stride;
int divisions = this._meshProvider.Divisions;
int[] indices;
if ((indices = this._meshProvider.GetIndices(this._foldLeftRight)) != null && indices.Length != 0)
{
fixed(int *numPtr = &indices[0])
;
}
fixed(TransformedColoredTextured *transformedColoredTexturedPtr1 = this._mesh)
{
TransformedColoredTextured *transformedColoredTexturedPtr2 = transformedColoredTexturedPtr1;
int num1 = 0;
int num2 = divisions;
while (num1 <= divisions)
{
int num3 = (s00 * num2 + s01 * num1) / divisions;
int num4 = (s10 * num2 + s11 * num1) / divisions;
int num5 = 0;
int num6 = divisions;
while (num5 <= divisions)
{
int num7 = (num3 * num6 + num4 * num5) / divisions;
Point3D a = this._normals[num1 * stride + num5];
int num8 = num5 == 0 ? -1 : (num5 == divisions ? 1 : 0);
int num9 = num1 == 0 ? -1 : (num1 == divisions ? 1 : 0);
int num10 = 65793;
if (num8 != 0)
{
LandTile landTile = World.Viewport.GetLandTile(this.tile.ax + num8, this.tile.ay, Engine.m_World);
if ((!this.tile.m_Guarded ? 0 : (!this.tile.Impassable ? 1 : 0)) != (!landTile.m_Guarded ? 0 : (!landTile.Impassable ? 1 : 0)))
{
num10 = !this.tile.m_Guarded || this.tile.Impassable ? 65536 : 256;
}
landTile.EnsureMesh(landTile._lastMeshHue ?? this.tile._lastMeshHue ?? Hues.Default, this._meshProvider);
TerrainMesh3D terrainMesh3D = landTile._mesh as TerrainMesh3D;
if (terrainMesh3D != null)
{
terrainMesh3D.Update(terrainMesh3D.tile, terrainMesh3D._color);
a += terrainMesh3D._normals[num1 * stride + num6];
}
}
if (num9 != 0)
{
LandTile landTile = World.Viewport.GetLandTile(this.tile.ax, this.tile.ay + num9, Engine.m_World);
if ((!this.tile.m_Guarded ? 0 : (!this.tile.Impassable ? 1 : 0)) != (!landTile.m_Guarded ? 0 : (!landTile.Impassable ? 1 : 0)))
{
num10 = !this.tile.m_Guarded || this.tile.Impassable ? 65536 : 256;
}
landTile.EnsureMesh(landTile._lastMeshHue ?? this.tile._lastMeshHue ?? Hues.Default, this._meshProvider);
TerrainMesh3D terrainMesh3D = landTile._mesh as TerrainMesh3D;
if (terrainMesh3D != null)
{
terrainMesh3D.Update(terrainMesh3D.tile, terrainMesh3D._color);
a += terrainMesh3D._normals[num2 * stride + num5];
}
}
if (num8 != 0 && num9 != 0)
{
LandTile landTile = World.Viewport.GetLandTile(this.tile.ax + num8, this.tile.ay + num9, Engine.m_World);
if ((!this.tile.m_Guarded ? 0 : (!this.tile.Impassable ? 1 : 0)) != (!landTile.m_Guarded ? 0 : (!landTile.Impassable ? 1 : 0)))
{
num10 = !this.tile.m_Guarded || this.tile.Impassable ? 65536 : 256;
}
landTile.EnsureMesh(landTile._lastMeshHue ?? this.tile._lastMeshHue ?? Hues.Default, this._meshProvider);
TerrainMesh3D terrainMesh3D = landTile._mesh as TerrainMesh3D;
if (terrainMesh3D != null)
{
terrainMesh3D.Update(terrainMesh3D.tile, terrainMesh3D._color);
a += terrainMesh3D._normals[num2 * stride + num6];
}
}
Point3D normal = Point3D.Normalize256(a);
int num11 = (num7 * 2 + MapLighting.GetShadow(normal) + 2) / 3;
transformedColoredTexturedPtr2++->Color = Renderer.GetQuadColor(num10 * num11);
++num5;
--num6;
}
++num1;
--num2;
}
// ISSUE: fixed variable is out of scope
// ISSUE: __unpin statement
}
}