public override void TextureTerrain(Game.Logic.TextureChangeParam param)
{
foreach (var chunk in mChunks)
{
chunk.textureTerrain(param);
}
}
public static void TextureTerrain(Game.Logic.TextureChangeParam param)
{
foreach (var file in mActiveFiles)
{
file.TextureTerrain(param);
}
}
public void textureTerrain(Game.Logic.TextureChangeParam param)
{
// check if we actually have something to change
float xdiff = mHeader.position.X - param.ActionSource.X + Utils.Metrics.Chunksize / 2;
float zdiff = mHeader.position.Y - param.ActionSource.Y + Utils.Metrics.Chunksize / 2;
float dist = (float)Math.Sqrt(xdiff * xdiff + zdiff * zdiff);
if (dist > (param.OuterRadius + Utils.Metrics.ChunkRadius))
{
return;
}
int layer = getTextureLayer(param.TextureName);
if (layer == -1)
{
layer = addTextureLayer(param.TextureName);
if (layer == -1)
{
return;
}
}
// doesnt make no sense to texture the ground layer, its opaque by default!
if (layer == 0)
{
return;
}
// ground layer uses channel 3 of the rgba
// layer 1 uses channel 0, layer 2 uses channel 1 and layer 3 uses channel 3
int alphaLayer = layer - 1;
for (int i = 0; i < 64; ++i)
{
for (int j = 0; j < 64; ++j)
{
float posX = j * (Utils.Metrics.Chunksize / 64.0f) + mHeader.position.X;
float posY = i * (Utils.Metrics.Chunksize / 64.0f) + mHeader.position.Y;
xdiff = posX - param.ActionSource.X;
zdiff = posY - param.ActionSource.Y;
dist = (float)Math.Sqrt(xdiff * xdiff + zdiff * zdiff);
if (dist > param.OuterRadius)
{
continue;
}
if (dist <= param.InnerRadius)
{
float newVal = 0.0f;
switch (param.Falloff)
{
case Game.Logic.TextureChangeParam.FalloffMode.Cosinus:
newVal = Utils.SharpMath.CosinusInterpolate(param.Strength, param.FalloffTreshold, (dist / param.InnerRadius));
break;
case Game.Logic.TextureChangeParam.FalloffMode.Linear:
newVal = Utils.SharpMath.Lerp(param.Strength, param.FalloffTreshold, (dist / param.InnerRadius));
break;
case Game.Logic.TextureChangeParam.FalloffMode.Flat:
newVal = param.Strength;
break;
}
newVal += AlphaFloats[(i * 64 + j), alphaLayer];
if (newVal >= 65535.0f)
{
newVal = 65535.0f;
}
AlphaFloats[(i * 64 + j), alphaLayer] = (ushort)newVal;
if (AlphaFloats[(i * 64 + j), alphaLayer] > param.AlphaCap)
{
AlphaFloats[(i * 64 + j), alphaLayer] = (ushort)param.AlphaCap;
}
AlphaData[(i * 64 + j) * 4 + alphaLayer] = (byte)((AlphaFloats[(i * 64 + j), alphaLayer] / 65535.0f) * 255.0f);
}
else if (dist <= param.OuterRadius)
{
float newVal = Utils.SharpMath.Lerp((param.Falloff == Game.Logic.TextureChangeParam.FalloffMode.Flat ? param.Strength : param.FalloffTreshold), 0, (dist - param.InnerRadius) / (param.OuterRadius - param.InnerRadius));
newVal += AlphaFloats[(i * 64 + j), alphaLayer];
if (newVal >= 65535.0f)
{
newVal = 65535.0f;
}
AlphaFloats[(i * 64 + j), alphaLayer] = (ushort)newVal;
if (AlphaFloats[(i * 64 + j), alphaLayer] > param.AlphaCap)
{
AlphaFloats[(i * 64 + j), alphaLayer] = (ushort)param.AlphaCap;
}
AlphaData[(i * 64 + j) * 4 + alphaLayer] = (byte)((AlphaFloats[(i * 64 + j), alphaLayer] / 65535.0f) * 255.0f);
}
mAlphaDirty = true;
}
}
}
public override void TextureTerrain(Game.Logic.TextureChangeParam param)
{
throw new NotImplementedException();
}
public abstract void TextureTerrain(Game.Logic.TextureChangeParam param);
