/// <summary>
/// This overrides the default InspectorGUI
/// </summary>
public override void OnInspectorGUI()
{
//Here we check once more if the Terrain has a TerrainData attached to it.
//OnEnable() doesn't trigger if you just drag&drop the data to the inspector and
//the Island Generator GUI doesn't show up. OnInspectorGUI() triggers more often,
//so here we'll start checking whether or not Terrain has TerrainData asset in it.
if (terraini == null && t != null && !isTerrain)
{
terraini = t.terrainData as Object;
//Terraindata detected, we can draw the GUI.
if (terraini != null)
{
terrainReso = t.terrainData.heightmapResolution;
isTerrain = true;
}
}
//If there is no Terrain or TerrainData, this draws an error message in the Inspector
//rather than the actual Generator GUI
if (!isTerrain)
{
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("No Terrain Found!", centerLabel);
EditorGUILayout.LabelField("Please add Terrain Component\nto this Game Object.", centerLabel);
EditorGUILayout.Space();
EditorGUILayout.Space();
EditorGUILayout.EndVertical();
}
//If the Terrain AND TerrainData is found, the actual Generator GUI is drawn
else
{
terrainReso = t.terrainData.heightmapResolution;
//This is the actual Generator script where we can input and output values from the GUI
IslandGenerator script = (IslandGenerator)target;
/***BEGIN GENERATOR BOX***/
EditorGUILayout.BeginVertical("box");
//If the Thread th1 is still running, it means shore calculation is still in progress,
//so further map generation should be disabled for that time
if (script.th1 != null && script.th1.ThreadState == System.Threading.ThreadState.Running)
{
GUI.enabled = false;
}
EditorGUILayout.LabelField("Generate Island", centerLabel);
usedSeeds = script.usedSeeds;
//This checks if user selects a seed from the Used Seeds list and replaces the current seed with it.
EditorGUI.BeginChangeCheck();
selected = EditorGUILayout.Popup("Used Seeds", selected, usedSeeds.ToArray());
if (EditorGUI.EndChangeCheck())
{
script.seed = usedSeeds[selected];
}
script.seed = EditorGUILayout.TextField(seedContent, script.seed);
script.useRandomSeed = EditorGUILayout.Toggle(useSeedContent, script.useRandomSeed);
script.randomFillPercent = EditorGUILayout.IntSlider(randomFillContent, script.randomFillPercent, 30, 70);
//If the shore radius changes, shores needs to be calculated again before adding them,
//so the Add Shores Button will be disabled if the value here changes.
EditorGUI.BeginChangeCheck();
script.maxRadius = EditorGUILayout.IntSlider(maxRadiusContent, script.maxRadius, 25, 200);
if (EditorGUI.EndChangeCheck())
{
shoresCalculated = false;
script.prog = "0%";
}
script.mapSmoothTimes = EditorGUILayout.IntField(smoothTimesContent, script.mapSmoothTimes);
//Button to Generate basemap.
if (GUILayout.Button(generateContent))
{
if (terrainReso < 129)
{
Debug.LogWarning("Terrain Resolution is too small! Please use resolutions of 129 and higher.");
}
else
{
Undo.RegisterUndo(terraini, "Generated New Map");
shoresCalculated = false;
script.StartGeneration();
script.prog = "0%";
//If the Used Seeds list doesn't contains current seed already
//we add that seed to the list.
if (!usedSeeds.Contains(script.seed))
{
usedSeeds.Insert(0, script.seed);
}
//Else if the seed exists in the list (e.g. same custom seed is used twice)
//we move the seed to the top.
else
{
usedSeeds.RemoveAt(usedSeeds.IndexOf(script.seed));
usedSeeds.Insert(0, script.seed);
}
//If there is more than 10 seeds, remove the oldest seed.
if (usedSeeds.Count > 10)
{
usedSeeds.RemoveAt(usedSeeds.Count - 1);
}
//After the button is pressed, change focus of the list to the latest seed.
selected = 0;
}
}
EditorGUILayout.LabelField("Status", script.prog);
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button(calculateShoresContent))
{
script.CalculateShores();
}
//Progress of shore calculation is handled in the actual script, and when it reaches 100%
//the "Add Shores" button can be enabled.
if (script.prog == "100%")
{
shoresCalculated = true;
}
if (shoresCalculated && GUILayout.Button(addShoresContent))
{
Undo.RegisterUndo(terraini, "Added Shores");
script.SmoothShores();
//Smooths the map as many times as the user defines.
for (int i = 0; i < script.mapSmoothTimes; i++)
{
script.BlendHeights();
}
}
EditorGUILayout.EndHorizontal();
if (GUILayout.Button(smoothOnceContent))
{
Undo.RegisterUndo(terraini, "Applied Smooth");
script.BlendHeights();
}
GUI.enabled = true;
if ((script.th1 != null && script.th1.ThreadState == System.Threading.ThreadState.Running) && GUILayout.Button("Abort"))
{
script.aborted = true;
shoresCalculated = false;
}
EditorGUILayout.EndVertical();
/***END GENERATOR BOX***/
EditorGUILayout.Space();
/***BEGIN PERLIN NOISE BOX***/
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Add Perlin Noise", centerLabel);
script.perlinHeight = EditorGUILayout.FloatField(heightContent, script.perlinHeight);
script.perlinScale = EditorGUILayout.FloatField(scaleContent, script.perlinScale);
if (GUILayout.Button(addPerlinContent))
{
Undo.RegisterUndo(terraini, "Applied Perlin Noise");
script.PerlinNoise();
}
if (GUILayout.Button(lowerSeaContent))
{
Undo.RegisterUndo(terraini, "Lowered Heightmap");
script.ResetSeaFloor();
}
EditorGUILayout.EndVertical();
/***END PERLIN NOISE BOX***/
EditorGUILayout.Space();
/***BEGIN PRESETS BOX***/
EditorGUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Some preset noises ", centerLabel);
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Many Low Bumps"))
{
Undo.RegisterUndo(terraini, "Applied Perlin Noise");
script.perlinHeight = 0.001f;
script.perlinScale = 75;
script.PerlinNoise();
}
if (GUILayout.Button("Many High Bumps"))
{
Undo.RegisterUndo(terraini, "Applied Perlin Noise");
script.perlinHeight = 0.005f;
script.perlinScale = 100;
script.PerlinNoise();
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Few Low Bumps"))
{
Undo.RegisterUndo(terraini, "Applied Perlin Noise");
script.perlinHeight = 0.01f;
script.perlinScale = 20;
script.PerlinNoise();
}
if (GUILayout.Button("Few High Bumps"))
{
Undo.RegisterUndo(terraini, "Applied Perlin Noise");
script.perlinHeight = 0.015f;
script.perlinScale = 25;
script.PerlinNoise();
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
/***END BOX***/
}
}
