static float MinusPixelColor(int iPoint, int layer, float v, int EdgeColor)
{
if (v != 0 && T4MSC.IsPointBrush(iPoint, layer))
{
return(Mathf.Max(Mathf.Floor(v) - EdgeColor, 0));
}
return(v);
}
void Painter()
{
if (State != 1)
{
State = 1;
}
Event e = Event.current;
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.T)
{
if (T4MSC.T4MActived != "Activated")
{
T4MSC.T4MActived = "Activated";
}
else
{
T4MSC.T4MActived = "Deactivated";
}
}
if (T4MSC.T4MPreview && T4MSC.T4MActived == "Activated" && T4MSC.T4MPreview.enabled == false || T4MSC.T4MPreview.enabled == false)
{
if (
T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_Circle &&
T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_WireCircle &&
T4MSC.PaintPrev != T4MSC.PaintHandle.Hide_preview
)
{
T4MSC.T4MPreview.enabled = true;
}
}
else if (T4MSC.T4MPreview && T4MSC.T4MActived == "Deactivated" && T4MSC.T4MPreview.enabled == true || T4MSC.T4MPreview.enabled == true)
{
if (T4MSC.PaintPrev != T4MSC.PaintHandle.Classic)
{
T4MSC.T4MPreview.enabled = false;
}
}
if (T4MSC.T4MActived == "Activated")
{
HandleUtility.AddDefaultControl(0);
RaycastHit raycastHit = new RaycastHit();
Ray terrain = HandleUtility.GUIPointToWorldRay(e.mousePosition);
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.KeypadPlus)
{
T4MSC.brushSize += 1;
}
else if (e.type == EventType.KeyDown && e.keyCode == KeyCode.KeypadMinus)
{
T4MSC.brushSize -= 1;
}
if (Physics.Raycast(terrain, out raycastHit, Mathf.Infinity, layerMask))
{
if (T4MSC.CurrentSelect.gameObject.GetComponent <T4MObjSC>().ConvertType != "UT")
{
T4MSC.T4MPreview.transform.localEulerAngles = new Vector3(90, 180 + T4MSC.CurrentSelect.localEulerAngles.y, 0);
}
else
{
T4MSC.T4MPreview.transform.localEulerAngles = new Vector3(90, T4MSC.CurrentSelect.localEulerAngles.y, 0);
}
T4MSC.T4MPreview.transform.position = raycastHit.point;
if (T4MSC.PaintPrev != T4MSC.PaintHandle.Classic && T4MSC.PaintPrev != T4MSC.PaintHandle.Hide_preview && T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_WireCircle)
{
Handles.color = new Color(1f, 1f, 0f, 0.05f);
Handles.DrawSolidDisc(raycastHit.point, raycastHit.normal, T4MSC.T4MPreview.orthographicSize * 0.9f);
}
else if (T4MSC.PaintPrev != T4MSC.PaintHandle.Classic && T4MSC.PaintPrev != T4MSC.PaintHandle.Hide_preview && T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_Circle)
{
Handles.color = new Color(1f, 1f, 0f, 1f);
Handles.DrawWireDisc(raycastHit.point, raycastHit.normal, T4MSC.T4MPreview.orthographicSize * 0.9f);
}
if ((e.type == EventType.mouseDrag && e.alt == false && e.shift == false && e.button == 0) || (e.shift == false && e.alt == false && e.button == 0 && ToggleF == false))
{
Vector2 pixelUV = raycastHit.textureCoord * T4MSC.T4MMaskTexUVCoord; //0.14f;
int PuX = Mathf.FloorToInt(pixelUV.x * T4MSC.T4MMaskTex.width);
int PuY = Mathf.FloorToInt(pixelUV.y * T4MSC.T4MMaskTex.height);
int x = Mathf.Clamp(PuX - T4MSC.T4MBrushSizeInPourcent / 2, 0, T4MSC.T4MMaskTex.width - 1);
int y = Mathf.Clamp(PuY - T4MSC.T4MBrushSizeInPourcent / 2, 0, T4MSC.T4MMaskTex.height - 1);
int width = Mathf.Clamp((PuX + T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MMaskTex.width) - x;
int height = Mathf.Clamp((PuY + T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MMaskTex.height) - y;
Color[] terrainBay = T4MSC.T4MMaskTex.GetPixels(x, y, width, height, 0);
if (T4MSC.T4MMaskTex2)
{
terrainBay2 = T4MSC.T4MMaskTex2.GetPixels(x, y, width, height, 0);
}
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
int index = (i * width) + j;
float Stronger = T4MSC.T4MBrushAlpha[Mathf.Clamp((y + i) - (PuY - T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MBrushSizeInPourcent - 1) * T4MSC.T4MBrushSizeInPourcent + Mathf.Clamp((x + j) - (PuX - T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MBrushSizeInPourcent - 1)] * T4MSC.T4MStronger;
if (T4MSC.T4MselTexture < 3)
{
terrainBay[index] = Color.Lerp(terrainBay[index], T4MSC.T4MtargetColor, Stronger);
}
else
{
terrainBay[index] = Color.Lerp(terrainBay[index], T4MSC.T4MtargetColor, Stronger); //*0.3f);
if (T4MSC.T4MMaskTex2)
{
terrainBay2[index] = Color.Lerp(terrainBay2[index], T4MSC.T4MtargetColor2, Stronger); ///0.3f);
}
}
}
}
T4MSC.T4MMaskTex.SetPixels(x, y, width, height, terrainBay, 0);
T4MSC.T4MMaskTex.Apply();
if (T4MSC.T4MMaskTex2)
{
T4MSC.T4MMaskTex2.SetPixels(x, y, width, height, terrainBay2, 0);
T4MSC.T4MMaskTex2.Apply();
UndoObj = new Texture2D[2];
UndoObj[0] = T4MSC.T4MMaskTex;
UndoObj[1] = T4MSC.T4MMaskTex2;
}
else
{
UndoObj = new Texture2D[1];
UndoObj[0] = T4MSC.T4MMaskTex;
}
//Undo.RecordObjects(UndoObj, "T4MMask"); //Unity don't work correctly with this for now
ToggleF = true;
}
else if (e.type == EventType.mouseUp && e.alt == false && e.button == 0 && ToggleF == true)
{
T4MSC.SaveTexture();
ToggleF = false;
}
}
}
}
public static void BrushTerrain_New(ref Color[] terrainBay, ref Color[] terrainBay_sec, int x, int y, int width, int height)
{
T4MSC.CreateT4MBrushPoint();
int CurrentLayer = T4MSC.T4MselTexture;
for (int i = 0; i < height - 1 && true; i++)
{
for (int j = 0; j < width - 1; j++)
{
int startIndex = i * width + j;
int[] IndexList = new int[4] {
startIndex, startIndex + 1, startIndex + width, startIndex + width + 1
};
int iPoint = (y + i) * (T4MSC.T4MMaskTex.width + 1) + (x + j);
for (int col = 0; col < 4; col++)
{
int index = IndexList[col];
Color current = terrainBay[index] * 255;
Color currentSec = terrainBay_sec[index] * 255;
int r = (int)Mathf.Floor(current.r);
int g = (int)Mathf.Floor(current.g);
int b = (int)Mathf.Floor(current.b);
int a = (int)Mathf.Floor(current.a);
int r1 = (int)Mathf.Floor(currentSec.r);
int g1 = (int)Mathf.Floor(currentSec.g);
int b1 = (int)Mathf.Floor(currentSec.b);
int a1 = (int)Mathf.Floor(currentSec.a);
int EdgeCol = iEdgeColor[col];
if (T4MSC.T4MselTexture == 0)
{
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
current.r = (Mathf.Floor(current.r) + EdgeCol) % 16;
}
}
else if (T4MSC.T4MselTexture == 1)
{
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
}
current.g = (Mathf.Floor(current.g) + EdgeCol) % 16;
}
}
else if (T4MSC.T4MselTexture == 2)
{
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
}
current.b = (Mathf.Floor(current.b) + EdgeCol) % 16;
}
}
else if (T4MSC.T4MselTexture == 3)
{
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
current.a = (Mathf.Floor(current.a) + EdgeCol);
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
}
}
}
else if (T4MSC.T4MselTexture == 4)
{
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
currentSec.r = (Mathf.Floor(currentSec.r) + EdgeCol);
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
}
}
}
else if (T4MSC.T4MselTexture == 5)
{
currentSec.b = MinusPixelColor(iPoint, 6, b1, EdgeCol);
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
currentSec.g = (Mathf.Floor(currentSec.g) + EdgeCol);
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
}
}
}
else if (T4MSC.T4MselTexture == 6)
{
currentSec.a = MinusPixelColor(iPoint, 7, a1, EdgeCol);
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
currentSec.b = (Mathf.Floor(currentSec.b) + EdgeCol);
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
}
}
}
else if (T4MSC.T4MselTexture == 7)
{
if (!T4MSC.IsPointBrush(iPoint, CurrentLayer))
{
currentSec.a = (Mathf.Floor(currentSec.a) + EdgeCol);
if (T4MSC.ClearPerviousLayer)
{
current.r = MinusPixelColor(iPoint, 0, r, EdgeCol);
current.g = MinusPixelColor(iPoint, 1, g, EdgeCol);
current.b = MinusPixelColor(iPoint, 2, b, EdgeCol);
current.a = MinusPixelColor(iPoint, 3, a, EdgeCol);
currentSec.r = MinusPixelColor(iPoint, 4, r1, EdgeCol);
currentSec.g = MinusPixelColor(iPoint, 5, g1, EdgeCol);
currentSec.b = MinusPixelColor(iPoint, 6, g1, EdgeCol);
}
}
}
terrainBay[index] = current / 255;
terrainBay_sec[index] = currentSec / 255;
}
T4MSC.SetBrushPoint(iPoint, CurrentLayer, true);
if (T4MSC.ClearPerviousLayer)
{
for (int idx = 0; idx < 8; idx++)
{
if (idx != CurrentLayer)
{
T4MSC.SetBrushPoint(iPoint, idx, false);
}
}
}
else
{
for (int idx = CurrentLayer + 1; idx < 8; idx++)
{
T4MSC.SetBrushPoint(iPoint, idx, false);
}
}
}
}
}
//绘制纹理
void Painter()
{
if (State != 1)
{
State = 1;
}
Event e = Event.current;
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.T)
{
if (T4MSC.T4MActived != "Activated")
{
T4MSC.T4MActived = "Activated";
}
else
{
T4MSC.T4MActived = "Deactivated";
}
}
if (T4MSC.T4MPreview && T4MSC.T4MActived == "Activated" && T4MSC.T4MPreview.enabled == false || T4MSC.T4MPreview.enabled == false)
{
if (
T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_Circle &&
T4MSC.PaintPrev != T4MSC.PaintHandle.Follow_Normal_WireCircle &&
T4MSC.PaintPrev != T4MSC.PaintHandle.Hide_preview
)
{
Debug.Log("Project true");
T4MSC.T4MPreview.enabled = true;
}
}
else if (T4MSC.T4MPreview && T4MSC.T4MActived == "Deactivated" && T4MSC.T4MPreview.enabled == true || T4MSC.T4MPreview.enabled == true)
{
if (T4MSC.PaintPrev != T4MSC.PaintHandle.Classic)
{
Debug.Log("Project false");
T4MSC.T4MPreview.enabled = false;
}
}
if (T4MSC.T4MActived == "Activated")
{
HandleUtility.AddDefaultControl(0);
RaycastHit raycastHit = new RaycastHit();
Ray terrain = HandleUtility.GUIPointToWorldRay(e.mousePosition);
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.KeypadPlus)
{
T4MSC.brushSize += 1;
}
else if (e.type == EventType.KeyDown && e.keyCode == KeyCode.KeypadMinus)
{
T4MSC.brushSize -= 1;
}
string currentSelect = Selection.transforms[0].name;
if (Physics.Raycast(terrain, out raycastHit, Mathf.Infinity, layerMask) && raycastHit.collider.name == currentSelect)
{
//如果类型是ut说明是从Terrain转化过来的
if (T4MSC.CurrentSelect.gameObject.GetComponent <T4MObjSC>().ConvertType != "UT")
{
T4MSC.T4MPreview.transform.localEulerAngles = new Vector3(90, 180 + T4MSC.CurrentSelect.localEulerAngles.y, 0);
}
else
{
T4MSC.T4MPreview.transform.localEulerAngles = new Vector3(90, T4MSC.CurrentSelect.localEulerAngles.y, 0);
}
T4MSC.T4MPreview.transform.position = raycastHit.point;
//这里不稍微加一点在2019中无法在平面上显示出来
T4MSC.T4MPreview.transform.position += new Vector3(0, 1, 0);
//这段是显示画笔用的
// 三种画笔形式
if (T4MSC.PaintPrev == T4MSC.PaintHandle.Follow_Normal_Circle)
{
Handles.color = new Color(1f, 1f, 0f, 0.05f);
Handles.DrawSolidDisc(raycastHit.point, raycastHit.normal, T4MSC.T4MPreview.orthographicSize * 0.9f);
//Debug.Log("Follow_Normal_Circle" + T4MSC.T4MPreview.transform.position + "and" + raycastHit.point);
}
else if (T4MSC.PaintPrev == T4MSC.PaintHandle.Follow_Normal_WireCircle)
{
Handles.color = new Color(1f, 1f, 0f, 1f);
Handles.DrawWireDisc(raycastHit.point, raycastHit.normal, T4MSC.T4MPreview.orthographicSize * 0.9f);
//Debug.Log("Follow_Normal_WireCircle" + T4MSC.T4MPreview.transform.position + "and" + raycastHit.point);
}
// Debug.Log(e.type);
// if(e.type == EventType.MouseDown && UndoObj!=null&&!saveflag)
// {
// // var path = "Assets/testimg/tt.png";
// // var bytes = UndoObj[0].EncodeToPNG ();
// saveflag = true;
// Undo.RecordObjects(UndoObj, "T4MMask");
// // File.WriteAllBytes (path, bytes);
// Debug.Log("!!");
// }
if (e.type == EventType.MouseUp)
{
saveflag = false;
}
if ((e.type == EventType.MouseDrag && e.alt == false && e.shift == false && e.button == 0) || (e.type != EventType.MouseMove && e.shift == false && e.alt == false && e.isMouse && e.button == 0 && ToggleF == false))
{
Vector2 pixelUV = raycastHit.textureCoord * T4MSC.T4MMaskTexUVCoord; //0.14f;
//转成图片上的坐标
int PuX = Mathf.FloorToInt(pixelUV.x * T4MSC.T4MMaskTex.width);
int PuY = Mathf.FloorToInt(pixelUV.y * T4MSC.T4MMaskTex.height);
//T4MBrushSizeInPourcent是将笔刷大小转化成 1:(T4MMaskTex.width/100) 的大小
int x = Mathf.Clamp(PuX - T4MSC.T4MBrushSizeInPourcent / 2, 0, T4MSC.T4MMaskTex.width - 1);
int y = Mathf.Clamp(PuY - T4MSC.T4MBrushSizeInPourcent / 2, 0, T4MSC.T4MMaskTex.height - 1);
int width = Mathf.Clamp((PuX + T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MMaskTex.width) - x;
int height = Mathf.Clamp((PuY + T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MMaskTex.height) - y;
//读取选中区块的颜色
Color[] terrainBay = T4MSC.T4MMaskTex.GetPixels(x, y, width, height, 0);
//如果有两张权重图
if (T4MSC.T4MMaskTex2)
{
terrainBay2 = T4MSC.T4MMaskTex2.GetPixels(x, y, width, height, 0);
}
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
int index = (i * width) + j;
//获取笔刷的a通道值
float Stronger = T4MSC.T4MBrushAlpha[Mathf.Clamp((y + i) - (PuY - T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MBrushSizeInPourcent - 1) * T4MSC.T4MBrushSizeInPourcent + Mathf.Clamp((x + j) - (PuX - T4MSC.T4MBrushSizeInPourcent / 2), 0, T4MSC.T4MBrushSizeInPourcent - 1)] * T4MSC.T4MStronger;
terrainBay[index] = Color.Lerp(terrainBay[index], T4MSC.T4MtargetColor, Stronger); //*0.3f);
if (T4MSC.T4MMaskTex2)
{
terrainBay2[index] = Color.Lerp(terrainBay2[index], T4MSC.T4MtargetColor2, Stronger); ///0.3f);
}
}
}
if (T4MSC.T4MMaskTex2)
{
T4MSC.T4MMaskTex2.SetPixels(x, y, width, height, terrainBay2, 0);
T4MSC.T4MMaskTex2.Apply();
}
//这里修改的是Mask贴图也就是权重图，画面上的效果是通过shader读取权重图来显示的
// if(UndoObj == null)
// {
// UndoObj = new Texture2D[2];
// if(T4MSC.T4MMaskTex2){
// UndoObj[0] = T4MSC.T4MMaskTex;
// UndoObj[1] = T4MSC.T4MMaskTex2;
// T4MSC.T4MMaskTex2.SetPixels(x, y, width,height, terrainBay2, 0);
// T4MSC.T4MMaskTex2.Apply();
// }else{
// UndoObj[0] = T4MSC.T4MMaskTex;
// }
// }
T4MSC.T4MMaskTex.SetPixels(x, y, width, height, terrainBay, 0);
T4MSC.T4MMaskTex.Apply(); //Unity don't work correctly with this for now
//Undo.RecordObjects(UndoObj, "T4MMask");
ToggleF = true;
}
else if (e.type == EventType.MouseUp && e.alt == false && e.button == 0 && ToggleF == true)
{
T4MSC.SaveTexture();
ToggleF = false;
}
} //如果不鼠标没有在范围内
else
{
DestroyImmediate(T4MSC.T4MPreview);
}
}
}
