/** テクスチャーからテクスチャー作成。
*/
public static UnityEngine.Texture2D CreateTextureFromTexture(UnityEngine.Texture2D a_texture, int a_offset_x, int a_offset_y, int a_size_w, int a_size_h)
{
UnityEngine.Texture2D t_new_texture = null;
try{
UnityEngine.Color[] t_color_list = a_texture.GetPixels(a_offset_x, a_texture.height - a_offset_y - a_size_h, a_size_w, a_size_h);
t_new_texture = new UnityEngine.Texture2D(a_size_w, a_size_h, UnityEngine.TextureFormat.RGBA32, false);
t_new_texture.SetPixels(t_color_list);
t_new_texture.Apply();
}catch (System.Exception t_exception) {
UnityEngine.Debug.LogError(t_exception.Message);
}
return(t_new_texture);
}
internal static UnityEngine.Texture2D BlitTexture(UnityEngine.Texture2D texture, UnityEngine.TextureFormat format, bool alphaOnly = false)
{
// Create a temporary RenderTexture of the same size as the texture
var tmp = UnityEngine.RenderTexture.GetTemporary(
texture.width,
texture.height,
0,
UnityEngine.RenderTextureFormat.Default,
UnityEngine.RenderTextureReadWrite.sRGB);
// Blit the pixels on texture to the RenderTexture
UnityEngine.Graphics.Blit(texture, tmp);
// Backup the currently set RenderTexture
var previous = UnityEngine.RenderTexture.active;
// Set the current RenderTexture to the temporary one we created
UnityEngine.RenderTexture.active = tmp;
// Create a new readable Texture2D to copy the pixels to it
var result = new UnityEngine.Texture2D(texture.width, texture.height, format, false);
// Copy the pixels from the RenderTexture to the new Texture
result.ReadPixels(new UnityEngine.Rect(0, 0, tmp.width, tmp.height), 0, 0);
result.Apply();
// Broadcast alpha to color
if (alphaOnly || !HasColor(texture))
{
var pixels = result.GetPixels();
for (var i = 0; i < pixels.Length; i++)
{
pixels[i].r = pixels[i].a;
pixels[i].g = pixels[i].a;
pixels[i].b = pixels[i].a;
}
result.SetPixels(pixels);
result.Apply();
}
// Reset the active RenderTexture
UnityEngine.RenderTexture.active = previous;
// Release the temporary RenderTexture
UnityEngine.RenderTexture.ReleaseTemporary(tmp);
return(result);
}
//get rows or columns with no buildings
public static List <CityGenerator.MapRow> GetEmptyRows(UnityEngine.Texture2D heightmap)
{
List <UnityEngine.Color> heightmapColor = new List <UnityEngine.Color>(heightmap.GetPixels());
System.Func <UnityEngine.Color, float> colorToFloat = c => c.r;
List <float> heightmapGray = CityGenerator.Lodash.Map(heightmapColor, colorToFloat);
/* - begin ported code - */
int i;
List <CityGenerator.MapRow> empty = new List <CityGenerator.MapRow>();
//loop through rows
for (i = 0; i < heightmap.height; i++)
{
// list of float grayscale vals for the current row
var row = GetHeightmapRow(heightmapGray, heightmap.width, heightmap.height, i);
//all values in row are over tree threshold
row = CityGenerator.Lodash.Reject(row, BlockHasTrees);
if (row.Count == 0)
{
CityGenerator.MapRow emptyRow;
emptyRow.axis = 0;
emptyRow.index = i;
empty.Add(emptyRow);
}
}
//loop through columns
for (i = 0; i < heightmap.width; i++)
{
var col = GetHeightmapColumn(heightmapGray, heightmap.width, heightmap.height, i);
col = CityGenerator.Lodash.Reject(col, BlockHasTrees);
if (col.Count == 0)
{
CityGenerator.MapRow emptyCol;
emptyCol.axis = 1;
emptyCol.index = i;
empty.Add(emptyCol);
}
}
return(empty);
}
static int _m_GetPixels(RealStatePtr L)
{
try {
ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);
UnityEngine.Texture2D gen_to_be_invoked = (UnityEngine.Texture2D)translator.FastGetCSObj(L, 1);
int gen_param_count = LuaAPI.lua_gettop(L);
if (gen_param_count == 1)
{
UnityEngine.Color[] gen_ret = gen_to_be_invoked.GetPixels( );
translator.Push(L, gen_ret);
return(1);
}
if (gen_param_count == 2 && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 2))
{
int _miplevel = LuaAPI.xlua_tointeger(L, 2);
UnityEngine.Color[] gen_ret = gen_to_be_invoked.GetPixels(_miplevel);
translator.Push(L, gen_ret);
return(1);
}
if (gen_param_count == 5 && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 2) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 3) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 4) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 5))
{
int _x = LuaAPI.xlua_tointeger(L, 2);
int _y = LuaAPI.xlua_tointeger(L, 3);
int _blockWidth = LuaAPI.xlua_tointeger(L, 4);
int _blockHeight = LuaAPI.xlua_tointeger(L, 5);
UnityEngine.Color[] gen_ret = gen_to_be_invoked.GetPixels(_x, _y, _blockWidth, _blockHeight);
translator.Push(L, gen_ret);
return(1);
}
if (gen_param_count == 6 && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 2) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 3) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 4) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 5) && LuaTypes.LUA_TNUMBER == LuaAPI.lua_type(L, 6))
{
int _x = LuaAPI.xlua_tointeger(L, 2);
int _y = LuaAPI.xlua_tointeger(L, 3);
int _blockWidth = LuaAPI.xlua_tointeger(L, 4);
int _blockHeight = LuaAPI.xlua_tointeger(L, 5);
int _miplevel = LuaAPI.xlua_tointeger(L, 6);
UnityEngine.Color[] gen_ret = gen_to_be_invoked.GetPixels(_x, _y, _blockWidth, _blockHeight, _miplevel);
translator.Push(L, gen_ret);
return(1);
}
} catch (System.Exception gen_e) {
return(LuaAPI.luaL_error(L, "c# exception:" + gen_e));
}
return(LuaAPI.luaL_error(L, "invalid arguments to UnityEngine.Texture2D.GetPixels!"));
}
private static void ThreadedScale(UnityEngine.Texture2D tex, int newWidth, int newHeight, bool useBilinear)
{
texColors = tex.GetPixels();
newColors = new UnityEngine.Color[newWidth * newHeight];
if (useBilinear)
{
ratioX = 1.0f / ((float)newWidth / (tex.width - 1));
ratioY = 1.0f / ((float)newHeight / (tex.height - 1));
}
else
{
ratioX = ((float)tex.width) / newWidth;
ratioY = ((float)tex.height) / newHeight;
}
w = tex.width;
w2 = newWidth;
var cores = UnityEngine.Mathf.Min(UnityEngine.SystemInfo.processorCount, newHeight);
var slice = newHeight / cores;
finishCount = 0;
if (mutex == null)
{
mutex = new System.Threading.Mutex(false);
}
if (cores > 1)
{
int i = 0;
ThreadData threadData;
for (i = 0; i < cores - 1; i++)
{
threadData = new ThreadData(slice * i, slice * (i + 1));
System.Threading.ParameterizedThreadStart ts = useBilinear ? new System.Threading.ParameterizedThreadStart(BilinearScale) : new System.Threading.ParameterizedThreadStart(PointScale);
System.Threading.Thread thread = new System.Threading.Thread(ts);
thread.Start(threadData);
}
threadData = new ThreadData(slice * i, newHeight);
if (useBilinear)
{
BilinearScale(threadData);
}
else
{
PointScale(threadData);
}
while (finishCount < cores)
{
System.Threading.Thread.Sleep(1);
}
}
else
{
ThreadData threadData = new ThreadData(0, newHeight);
if (useBilinear)
{
BilinearScale(threadData);
}
else
{
PointScale(threadData);
}
}
tex.Resize(newWidth, newHeight);
tex.SetPixels(newColors);
tex.Apply();
texColors = null;
newColors = null;
}