///
public void SetTexture(uint atlas_type, Texture2D texture)
{
RoveMaterials rove_materials = RoveSetup.GetAPIComponent <RoveMaterials>();
if (!rove_materials)
{
Debug.LogError("Failed set material texture.");
return;
}
RoveTexture rove_texture = m_textures[atlas_type];
if (texture == null)
{
if (rove_texture.m_status != RoveTexture.STATUS_EMPTY)
{
rove_texture.m_status = RoveTexture.STATUS_CHANGE;
}
}
else
{
if (rove_texture.m_status != RoveTexture.STATUS_OK)
{
rove_texture.m_status = RoveTexture.STATUS_NEW;
}
else
{
rove_texture.m_status = RoveTexture.STATUS_CHANGE;
}
}
rove_texture.m_texture = texture;
rove_materials.m_atlases[atlas_type].m_dirty = true;
}
///
public bool Pack(RoveTexture rove_texture)
{
int width = rove_texture.m_texture.width;
int height = rove_texture.m_texture.height;
rove_texture.m_atlas_rect.width = width;
rove_texture.m_atlas_rect.height = height;
int index = m_available.BinarySearch(rove_texture.m_atlas_rect,
new RectWidthAscending());
if (index < 0)
{
index = ~index;
}
if (index == m_available.Count)
{
return(false);
}
else
{
while (index < m_available.Count)
{
Rect available = m_available[index];
if (available.height > height)
{
rove_texture.m_atlas_rect.x = available.x;
rove_texture.m_atlas_rect.y = available.y;
m_available.RemoveAt(index);
if (available.width == width)
{
InsertAvailable(new Rect(available.x, available.y + height,
available.width, available.height - height));
}
else
{
InsertAvailable(new Rect(available.x, available.y + height,
available.width, available.height - height));
InsertAvailable(new Rect(available.x + width, available.y,
available.width - width, height));
}
return(true);
}
else if (available.height == height)
{
rove_texture.m_atlas_rect.x = available.x;
rove_texture.m_atlas_rect.y = available.y;
m_available.RemoveAt(index);
if (available.width > width)
{
InsertAvailable(new Rect(available.x + width, available.y,
available.width - width, available.height));
}
return(true);
}
++index;
}
}
return(false);
}
///
public bool ProcessAtlas()
{
if (!m_dirty)
{
return(true);
}
RoveMaterials rove_materials = RoveSetup.GetAPIComponent <RoveMaterials>();
if (!rove_materials)
{
Debug.LogError("Rove: Failed to begin to process atlas.");
return(false);
}
List <RoveMaterial> materials = rove_materials.m_materials;
uint map_flag = 0x0;
if (m_type == RoveAtlas.TYPE_ALBEDO)
{
map_flag = RoveMaterials.MAP_FLAG_ALBEDO;
}
else if (m_type == RoveAtlas.TYPE_NORMAL)
{
map_flag = RoveMaterials.MAP_FLAG_NORMAL;
}
else if (m_type == RoveAtlas.TYPE_METALLIC)
{
map_flag = RoveMaterials.MAP_FLAG_METALLIC;
}
else if (m_type == RoveAtlas.TYPE_EMISSION)
{
map_flag = RoveMaterials.MAP_FLAG_EMISSION;
}
List <int> dirty_textures = new List <int>();
int area = 0;
for (int m = 0; m < materials.Count; ++m)
{
RoveMaterial material = materials[m];
RoveTexture rove_texture = material.m_textures[m_type];
uint status = rove_texture.m_status;
if ((status == RoveTexture.STATUS_EMPTY) ||
(status == RoveTexture.STATUS_OK))
{
continue;
}
else if (status == RoveTexture.STATUS_CHANGE)
{
Remove(rove_texture);
if (rove_texture.m_texture == null)
{
rove_texture.m_status = RoveTexture.STATUS_EMPTY;
material.m_map_flags &= ~map_flag;
material.SetMapFlags(material.m_map_flags);
continue;
}
}
material.m_map_flags |= map_flag;
material.SetMapFlags(material.m_map_flags);
area += rove_texture.m_texture.width * rove_texture.m_texture.height;
dirty_textures.Add(m);
}
int predicted_size = RoveAtlas.PredictSize(area);
if (predicted_size > m_width)
{
if (predicted_size > 16384)
{
Debug.LogError("Rove: Predicted atlas exceeds 16384 x 16384, " +
"cannot create atlas.");
return(false);
}
m_width = m_height = predicted_size;
if (!Repack())
{
return(false);
}
}
else
{
if (dirty_textures.Count > 1)
{
dirty_textures.Sort((a, b) =>
{
RoveTexture rove_texture_a = materials[a].m_textures[m_type];
RoveTexture rove_texture_b = materials[b].m_textures[m_type];
int a_size = rove_texture_a.m_texture.width *
rove_texture_a.m_texture.height;
int b_size = rove_texture_b.m_texture.width *
rove_texture_b.m_texture.height;
return(b_size.CompareTo(a_size));
});
}
for (int t = 0; t < dirty_textures.Count; ++t)
{
RoveMaterial material = materials[dirty_textures[t]];
RoveTexture rove_texture = material.m_textures[m_type];
if (!Pack(rove_texture))
{
if (!Repack())
{
return(false);
}
else
{
break;
}
}
else
{
material.SetAtlasRect(m_type, rove_texture.m_atlas_rect);
rove_texture.m_status = RoveTexture.STATUS_OK;
}
}
}
RenderTexture temp_rt = RenderTexture.GetTemporary(m_width, m_height,
0, RenderTextureFormat.ARGB32);
RenderTexture.active = temp_rt;
GL.PushMatrix();
GL.LoadPixelMatrix(0, m_width, m_height, 0);
GL.Clear(false, true, new Color(0.0f, 0.0f, 0.0f, 1.0f));
for (int m = 0; m < materials.Count; ++m)
{
Texture2D texture = materials[m].m_textures[m_type].m_texture;
if (texture == null)
{
continue;
}
Rect bl_origin = new Rect(materials[m].m_textures[m_type].m_atlas_rect);
bl_origin.y = (m_height - bl_origin.y) - bl_origin.height;
m_atlas_material.SetTexture("target", materials[m].m_textures[m_type].m_texture);
Graphics.DrawTexture(bl_origin, texture, m_atlas_material);
}
GL.PopMatrix();
m_texture = new Texture2D(m_width, m_height, TextureFormat.ARGB32, false);
m_texture.ReadPixels(new Rect(0, 0, m_width, m_height), 0, 0, false);
m_texture.Apply();
RenderTexture.active = null;
RenderTexture.ReleaseTemporary(temp_rt);
UploadAtlas();
m_dirty = false;
return(true);
}
///
public bool Repack()
{
RoveMaterials rove_materials = RoveSetup.GetAPIComponent <RoveMaterials>();
if (!rove_materials)
{
Debug.LogError("Rove: Failed to begin to process atlas.");
return(false);
}
List <RoveMaterial> materials = rove_materials.m_materials;
List <int> dirty_textures = new List <int>();
int area = 0;
for (int t = 0; t < materials.Count; ++t)
{
RoveTexture rove_texture = materials[t].m_textures[m_type];
uint status = rove_texture.m_status;
if ((rove_texture.m_texture == null) ||
(status == RoveTexture.STATUS_EMPTY))
{
continue;
}
dirty_textures.Add(t);
area += rove_texture.m_texture.width * rove_texture.m_texture.height;
}
int predicted_size = RoveAtlas.PredictSize(area);
if (predicted_size > m_width)
{
if (predicted_size > 16384)
{
Debug.LogError("Rove: Predicted atlas exceeds 16384 x 16384, " +
"cannot create atlas.");
return(false);
}
Reset(predicted_size, predicted_size);
}
else
{
Reset(predicted_size, predicted_size);
}
if (dirty_textures.Count > 1)
{
dirty_textures.Sort((a, b) =>
{
RoveTexture rove_texture_a = materials[a].m_textures[m_type];
RoveTexture rove_texture_b = materials[b].m_textures[m_type];
int a_size = rove_texture_a.m_texture.width *
rove_texture_a.m_texture.height;
int b_size = rove_texture_b.m_texture.width *
rove_texture_b.m_texture.height;
return(b_size.CompareTo(a_size));
});
}
bool packed = false;
while (!packed && (m_width <= 16384) && (m_height <= 16384))
{
for (int t = 0; t < dirty_textures.Count; ++t)
{
RoveMaterial material = materials[dirty_textures[t]];
RoveTexture rove_texture = material.m_textures[m_type];
if (!Pack(rove_texture))
{
Reset(m_width * 2, m_height * 2);
break;
}
else
{
material.SetAtlasRect(m_type, rove_texture.m_atlas_rect);
rove_texture.m_status = RoveTexture.STATUS_OK;
}
if (t == (dirty_textures.Count - 1))
{
packed = true;
}
}
}
if (!packed)
{
Debug.LogError("Rove: Failed to repack atlas: " + m_type + ".");
return(false);
}
return(true);
}
///
public void Remove(RoveTexture rove_texture)
{
InsertAvailable(rove_texture.m_atlas_rect);
}