private static BSPTexture ResizeTextures(BSPTexture texture, Vector2 size)
{
int width = (int)size.x;
int height = (int)size.y;
if (texture.width > width && texture.height > height)
{
return(texture);
}
byte[] data = new byte[width * height * 4];
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
int rx = x % texture.width;
int ry = y % texture.height;
int srcIndex = 4 * (y * width + x);
int dstIndex = 4 * (ry * texture.width + rx);
data[srcIndex] = texture.data[dstIndex];
data[srcIndex + 1] = texture.data[dstIndex + 1];
data[srcIndex + 2] = texture.data[dstIndex + 2];
data[srcIndex + 3] = texture.data[dstIndex + 3];
}
}
return(new BSPTexture(texture.name, data, width, height));
}
private static BSPTexture[] AdjustTextureSizes(BSPFile bsp)
{
var textures = bsp.textures;
var sizes = new Vector2[textures.Length];
foreach (var geometry in bsp.models[0].geometries)
{
var g = geometry.mesh;
var tex_id = geometry.tex_id;
var texture = textures[tex_id];
for (int i = 0; i < g.vertices.Length; ++i)
{
var uv = g.uvs[i];
float w = texture.width * uv.x;
float h = texture.height * uv.y;
if (w > sizes[tex_id].x || h > sizes[tex_id].y)
{
sizes[tex_id] = new Vector2(w, h);
}
}
}
var result = new BSPTexture[textures.Length];
for (int i = 0; i < sizes.Length; ++i)
{
result[i] = ResizeTextures(textures[i], sizes[i]);
}
return(result);
}
void ReadTextures(DataStream ds)
{
textures = new BSPTexture[miptex_directory.Length];
for (int i = 0; i < miptex_directory.Length; ++i)
{
var entry = this.miptex_directory[i];
var image_data = ImageUtil.getImageData(entry.name, ds, entry);
var data = ImageUtil.expandImageData(image_data, PAL.DEFAULT_PALETTE);
textures[i] = new BSPTexture(entry.name, data, image_data.width, image_data.height);
}
}
private BSPTexture[] expandSkins(ImageData[] skins)
{
var textures = new BSPTexture[skins.Length];
for (int i = 0; i < skins.Length; ++i)
{
var skin = skins[i];
var data = ImageUtil.expandImageData(skin, PAL.DEFAULT_PALETTE);
textures[i] = new BSPTexture("skin-" + i, data, skin.width, skin.height);
}
return(textures);
}
static Color32[] GetTexturePixels(BSPTexture t)
{
Color32[] pixels = new Color32[t.width * t.height];
for (int i = 0, j = 0; i < pixels.Length; ++i)
{
pixels[i] = new Color32(t.data[j++], t.data[j++], t.data[j++], t.data[j++]);
}
for (int x = 0; x < t.width; ++x)
{
for (int y = 0; y < t.height / 2; ++y)
{
int from = y * t.width + x;
int to = (t.height - y - 1) * t.width + x;
var temp = pixels[to];
pixels[to] = pixels[from];
pixels[from] = temp;
}
}
return(pixels);
}
public TextureAtlasEntry(BSPTexture texture, int x, int y)
{
this.texture = texture;
this.x = x;
this.y = y;
}
