void Paint(RaycastHit hit)
{
int texIndex = m_SelectedTex;
float hardness = m_Hardness;
int passIndex = m_SelectedPass;
float brushSize = m_BrushSize;
USubMesh sm = subMesh;
UPass pass = sm[passIndex];
int texW = pass.mixTex.width;
int texH = pass.mixTex.height;
int centerX = Mathf.FloorToInt(hit.textureCoord.x * texW);
int centerY = Mathf.FloorToInt(hit.textureCoord.y * texH);
Vector2 bounds = UEditorTools.GetSizeOfMesh(sm.mesh, m_Editor.terrain.transform);
int pixelSize = 0;
if (texW > texH)
{
pixelSize = (int)((brushSize / bounds.x) * texW);
}
else
{
pixelSize = (int)((brushSize / bounds.y) * texH);
}
int x = Mathf.Clamp(centerX - pixelSize, 0, texW - 1);
int y = Mathf.Clamp(centerY - pixelSize, 0, texH - 1);
int width = Mathf.Clamp(2 * pixelSize, 0, texW - x);
int height = Mathf.Clamp(2 * pixelSize, 0, texH - y);
List <Color[]> srcPixels = new List <Color[]>();
sm.passes.ToList().ForEach(p => srcPixels.Add(p.mixTex.GetPixels(x, y, width, height, 0)));
for (int i = 0, max = srcPixels.Count; i < max; i++)
{
Color[] pixels = srcPixels[i];
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
Color targetColor;
if (i == passIndex)
{
targetColor = GetColor(texIndex);
}
else
{
targetColor = Color.clear;
}
int ix = (int)(w * 64 / width);
int iy = (int)(h * 64 / height);
int index = (h * width) + w;
float blendFactor = m_Brush.GetStrengthInt(ix, iy) * hardness * 0.1f;
pixels[index] = Color.Lerp(pixels[index], targetColor, blendFactor);
}
}
sm[i].Paint(x, y, width, height, pixels);
}
}
UPass PassField(Rect rect, UPass pass, int index)
{
Event e = Event.current;
bool selected = index == m_SelectedPass;
if (e.type == EventType.mouseDown && rect.Contains(e.mousePosition))
{
m_SelectedPass = index;
m_SelectedTex = -1;
}
Color bgColor = GUI.backgroundColor;
GUI.color = new Color(0.5f, 0.8f, 0.5f, 0.5f);
Rect newRect = new Rect(rect);
newRect.x += 2;
newRect.y += 2;
newRect.width -= 4;
newRect.height -= 4;
GUIStyle style = new GUIStyle("ServerUpdateChangesetOn");
if (selected && Event.current.type == EventType.repaint)
{
style.Draw(newRect, false, false, false, false);
}
GUI.color = bgColor;
GUI.BeginGroup(rect);
newRect = new Rect(4, 4, 0, rect.height - 9);
newRect.width = 30;
style = new GUIStyle("OL Box");
style.normal.textColor = new Color(0.7f, 0.7f, 0.7f);
style.fontStyle = FontStyle.Bold;
style.fontSize = 14;
style.alignment = TextAnchor.MiddleCenter;
bgColor = GUI.backgroundColor;
GUI.backgroundColor = new Color(1, 1, 1, 0.8f);
if (GUI.Button(newRect, index.ToString(), style))
{
m_SelectedPass = index;
m_SelectedTex = -1;
}
GUI.backgroundColor = bgColor;
newRect.x += newRect.width;
GUIStyle btnStyle = new GUIStyle("OL Box");
btnStyle.alignment = TextAnchor.MiddleCenter;
btnStyle.onNormal = (new GUIStyle("PR Ping")).active;
btnStyle.border = new RectOffset(7, 7, 7, 7);
btnStyle.padding = new RectOffset(5, 5, 5, 5);
newRect.width = 0;
for (int i = 0, max = pass.textures.Length; i < max; i++)
{
if (pass.textures[i].mainTex == null)
{
continue;
}
newRect.x += newRect.width + 4;
newRect.width = rect.height;
if (selected)
{
if (GUI.Toggle(newRect, i == m_SelectedTex, pass.textures[i].mainTex, btnStyle))
{
m_SelectedTex = i;
m_Editor.Repaint();
}
}
else
{
GUI.Toggle(newRect, false, pass.textures[i].mainTex, btnStyle);
}
}
newRect.x += newRect.width;
newRect.width = rect.width - newRect.x;
newRect.height = rect.height;
if (GUI.Button(newRect, "", GUIStyle.none))
{
m_SelectedPass = index;
m_SelectedTex = -1;
}
GUI.EndGroup();
return(pass);
}
void PassesField()
{
GUILayout.Label("Passes", EditorStyles.boldLabel);
List <Rect> passRect = new List <Rect>();
GUILayout.BeginVertical("OL Box");
GUILayout.Space(4);
if (subMesh.passes.Length > 0)
{
for (int i = 0, max = subMesh.passes.Length; i < max; i++)
{
GUILayout.Box("", EditorStyles.textField, GUILayout.Height(50), GUILayout.MinWidth(235));
passRect.Add(GUILayoutUtility.GetLastRect());
}
}
else
{
GUILayout.Label("No Pass Added.");
GUILayout.Space(15);
}
GUILayout.Space(2);
GUILayout.EndVertical();
for (int i = 0; i < passRect.Count; i++)
{
subMesh[i] = PassField(passRect[i], subMesh[i], i);
}
GUILayout.Space(2);
EditorGUILayout.BeginHorizontal();
EditorGUILayout.Space();
if (GUILayout.Button("Edit Passes...", EditorStyles.popup, GUILayout.Width(90)))
{
GenericMenu menu = new GenericMenu();
if (subMesh.passes.Length > 3)
{
menu.AddDisabledItem(new GUIContent("Add Pass"));
m_Editor.Repaint();
}
else
{
menu.AddItem(new GUIContent("Add Pass"), false, () => {
UTextureWizard wizard = UTextureWizard.GetWizard("Add Pass", "Add", m_Editor);
wizard.subMeshIndex = m_SelectedSM;
int width = 0, height = 0;
GetTexSize(ref width, ref height);
UPass pass = null;
if (subMesh.passes.Length == 0)
{
pass = new UPass(true, GetClearMix(subMesh.passes.Length));
}
else
{
pass = new UPass(false, GetClearMix(subMesh.passes.Length));
}
wizard.pass = pass;
});
}
if (subMesh.passes.Length == 0)
{
menu.AddDisabledItem(new GUIContent("Edit Pass"));
m_Editor.Repaint();
}
else
{
menu.AddItem(new GUIContent("Edit Pass"), false, () => {
UTextureWizard wizard = UTextureWizard.GetWizard("Edit Pass", "Apply", m_Editor);
wizard.pass = new UPass(pass);
wizard.subMeshIndex = m_SelectedSM;
wizard.passIndex = m_SelectedPass;
m_Editor.Repaint();
});
}
if (m_SelectedPass == 0)
{
menu.AddDisabledItem(new GUIContent("Remove Pass"));
}
else
{
menu.AddItem(new GUIContent("Remove Pass"), false, () => {
m_Editor.terrain.data.textureData.subMeshes[m_SelectedSM].RemoveAt(m_SelectedPass);
m_SelectedPass = 0;
m_Editor.Repaint();
});
}
menu.ShowAsContext();
Event.current.Use();
}
EditorGUILayout.EndHorizontal();
}
