void OnGUI()
{
if (env == null)
{
env = VoxelPlayEnvironment.instance;
if (env == null)
{
world = null;
}
EditorGUILayout.HelpBox("Biome Explorer cannot find a Voxel Play Environment instance in the current scene.", MessageType.Error);
GUIUtility.ExitGUI();
}
else
{
world = env.world;
}
if (world == null)
{
EditorGUILayout.HelpBox("Assign a World Definition to the Voxel Play Environment instance.", MessageType.Warning);
GUIUtility.ExitGUI();
}
if (terrainTex == null || moistureTex == null)
{
RefreshTextures();
GUIUtility.ExitGUI();
}
GUIStyle labelStyle = new GUIStyle(GUI.skin.label);
if (titleLabelStyle == null)
{
titleLabelStyle = new GUIStyle(EditorStyles.label);
}
titleLabelStyle.normal.textColor = titleColor;
titleLabelStyle.fontStyle = FontStyle.Bold;
EditorGUILayout.BeginHorizontal();
EditorGUILayout.HelpBox("Preview terrain generation and biome distribution based on current settings.", MessageType.Info);
EditorGUILayout.EndHorizontal();
EditorGUILayout.Separator();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Min X", GUILayout.Width(100));
proposedMinX = EditorGUILayout.FloatField(proposedMinX, GUILayout.MaxWidth(120));
EditorGUILayout.LabelField("Max X", GUILayout.Width(100));
proposedMaxX = EditorGUILayout.FloatField(proposedMaxX, GUILayout.MaxWidth(120));
if (GUILayout.Button("<<", GUILayout.Width(40)))
{
float shift = (maxX - minX) * 0.5f;
proposedMinX -= shift;
proposedMaxX -= shift;
requestRefresh = true;
}
if (GUILayout.Button("<", GUILayout.Width(40)))
{
float shift = (maxX - minX) * 0.1f;
proposedMinX -= shift;
proposedMaxX -= shift;
requestRefresh = true;
}
if (GUILayout.Button(">", GUILayout.Width(40)))
{
float shift = (maxX - minX) * 0.1f;
proposedMinX += shift;
proposedMaxX += shift;
requestRefresh = true;
}
if (GUILayout.Button(">>", GUILayout.Width(40)))
{
float shift = (maxX - minX) * 0.5f;
proposedMinX += shift;
proposedMaxX += shift;
requestRefresh = true;
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Min Z", GUILayout.Width(100));
proposedMinZ = EditorGUILayout.FloatField(proposedMinZ, GUILayout.MaxWidth(120));
EditorGUILayout.LabelField("Max Z", GUILayout.Width(100));
proposedMaxZ = EditorGUILayout.FloatField(proposedMaxZ, GUILayout.MaxWidth(120));
if (GUILayout.Button("<<", GUILayout.Width(40)))
{
float shift = (maxZ - minZ) * 0.5f;
proposedMinZ -= shift;
proposedMaxZ -= shift;
proposedSliceZ = (proposedMinZ + proposedMaxZ) * 0.5f;
requestRefresh = true;
}
if (GUILayout.Button("<", GUILayout.Width(40)))
{
float shift = (maxZ - minZ) * 0.1f;
proposedMinZ -= shift;
proposedMaxZ -= shift;
proposedSliceZ = (proposedMinZ + proposedMaxZ) * 0.5f;
requestRefresh = true;
}
if (GUILayout.Button(">", GUILayout.Width(40)))
{
float shift = (maxZ - minZ) * 0.1f;
proposedMinZ += shift;
proposedMaxZ += shift;
proposedSliceZ = (proposedMinZ + proposedMaxZ) * 0.5f;
requestRefresh = true;
}
if (GUILayout.Button(">>", GUILayout.Width(40)))
{
float shift = (maxZ - minZ) * 0.5f;
proposedMinZ += shift;
proposedMaxZ += shift;
proposedSliceZ = (proposedMinZ + proposedMaxZ) * 0.5f;
requestRefresh = true;
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Slice Z", GUILayout.Width(100));
proposedSliceZ = EditorGUILayout.FloatField(proposedSliceZ, GUILayout.MaxWidth(120));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button(new GUIContent("Refresh Window", "Refresh textures to reflect new filters."), GUILayout.Width(140)))
{
requestRefresh = true;
}
if (GUILayout.Button(new GUIContent("-> World Definition", "Show World Definition in the inspector."), GUILayout.Width(140)))
{
Selection.activeObject = world;
}
if (GUILayout.Button(new GUIContent("-> Terrain Generator", "Show Terrain Generator in the inspector."), GUILayout.Width(140)))
{
Selection.activeObject = tg;
}
if (GUILayout.Button(new GUIContent("-> Environment", "Show Voxel Play Environment in the inspector."), GUILayout.Width(140)))
{
Selection.activeGameObject = env.gameObject;
}
if (GUILayout.Button(new GUIContent("Reload Config", "Resets heightmaps and biome cache and initializes terrain generator."), GUILayout.Width(140)))
{
env.NotifyTerrainGeneratorConfigurationChanged();
requestRefresh = true;
GUIUtility.ExitGUI();
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Separator();
Rect space;
if (previewTextureMat == null)
{
previewTextureMat = Resources.Load <Material> ("VoxelPlay/PreviewTexture");
}
// Draw heightmap distribution
if (terrainTex != null)
{
EditorGUILayout.LabelField(new GUIContent("Height Map Preview"), titleLabelStyle);
space = EditorGUILayout.BeginVertical();
space.width -= 20;
GUILayout.Space(terrainTex.height);
EditorGUILayout.EndVertical();
EditorGUILayout.BeginHorizontal();
GUILayout.Space(15);
space.position += new Vector2(15, 0);
EditorGUI.DrawPreviewTexture(space, terrainTex, previewTextureMat);
GUILayout.Space(5);
EditorGUILayout.EndHorizontal();
// Draw 0-1 range
space.position -= new Vector2(15, 0);
EditorGUI.LabelField(space, "1");
space.position += new Vector2(0, space.height - 10f);
EditorGUI.LabelField(space, "0");
// Draw x-axis labels
EditorGUILayout.BeginHorizontal();
GUILayout.Space(15);
EditorGUILayout.LabelField("Min X = " + minX);
labelStyle.alignment = TextAnchor.MiddleCenter;
EditorGUILayout.LabelField("Slize Z = " + sliceZ + " / Min Y = " + calcMinAltitude.ToString("F3") + " / Max Y = " + calcMaxAltitude.ToString("F3"), labelStyle);
labelStyle.alignment = TextAnchor.MiddleRight;
EditorGUILayout.LabelField("Max X = " + maxX, labelStyle);
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.Separator();
EditorGUILayout.Separator();
// Draw moisture distribution
if (terrainTex != null)
{
EditorGUILayout.LabelField(new GUIContent("Moisture Preview"), titleLabelStyle);
space = EditorGUILayout.BeginVertical();
space.width -= 20;
GUILayout.Space(moistureTex.height);
EditorGUILayout.EndVertical();
EditorGUILayout.BeginHorizontal();
GUILayout.Space(15);
space.position += new Vector2(15, 0);
EditorGUI.DrawPreviewTexture(space, moistureTex, previewTextureMat);
GUILayout.Space(5);
EditorGUILayout.EndHorizontal();
// Draw 0-1 range
space.position -= new Vector2(15, 0);
EditorGUI.LabelField(space, "1");
space.position += new Vector2(0, space.height - 10f);
EditorGUI.LabelField(space, "0");
// Draw x-axis labels
EditorGUILayout.BeginHorizontal();
GUILayout.Space(15);
EditorGUILayout.LabelField("Min X = " + minX);
labelStyle.alignment = TextAnchor.MiddleCenter;
EditorGUILayout.LabelField("Slize Z = " + sliceZ + " / Min Y = " + calcMinMoisture.ToString("F3") + " / Max Y = " + calcMaxMoisture.ToString("F3"), labelStyle);
labelStyle.alignment = TextAnchor.MiddleRight;
EditorGUILayout.LabelField("Max X = " + maxX, labelStyle);
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.Separator();
EditorGUILayout.Separator();
if (world.biomes != null && biomeTex != null)
{
// Draw heightmap texture
EditorGUILayout.LabelField(new GUIContent("Biome Map Preview"), titleLabelStyle);
EditorGUILayout.BeginHorizontal();
// Biome legend
EditorGUILayout.BeginVertical(GUILayout.MaxWidth(180));
EditorGUILayout.Separator();
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Hide All", GUILayout.Width(80)))
{
ToggleBiomes(false);
requestRefresh = true;
}
if (GUILayout.Button("Show All", GUILayout.Width(80)))
{
ToggleBiomes(true);
requestRefresh = true;
}
if (GUILayout.Button("Default Colors", GUILayout.Width(120)))
{
env.SetBiomeDefaultColors(true);
requestRefresh = true;
}
EditorGUILayout.EndHorizontal();
EditorGUI.BeginChangeCheck();
for (int k = 0; k < world.biomes.Length; k++)
{
BiomeDefinition biome = world.biomes [k];
if (biome == null)
{
continue;
}
float perc = 100f * (float)biome.biomeMapOccurrences / (biomeTex.width * biomeTex.height);
DrawLegend(biome.biomeMapColor, biome.name + " (" + perc.ToString("F2") + "%)", biome);
}
DrawLegend(waterColor, "Water", null);
if (EditorGUI.EndChangeCheck())
{
requestRefresh = true;
}
EditorGUILayout.Separator();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Grid Size", GUILayout.Width(100));
gridStep = EditorGUILayout.IntField(gridStep, GUILayout.Width(60));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Texture Size", GUILayout.Width(100));
mapResolution = EditorGUILayout.IntField(mapResolution, GUILayout.Width(60));
EditorGUILayout.EndHorizontal();
EditorGUILayout.Separator();
EditorGUILayout.Separator();
// Tester
EditorGUILayout.LabelField(new GUIContent("Biome Tester"), titleLabelStyle);
EditorGUI.BeginChangeCheck();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Altitude?", GUILayout.Width(100));
inputAltitude = EditorGUILayout.Slider(inputAltitude, 0, 1, GUILayout.Width(130));
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Moisture?", GUILayout.Width(100));
inputMoisture = EditorGUILayout.Slider(inputMoisture, 0, 1, GUILayout.Width(130));
EditorGUILayout.EndHorizontal();
if (EditorGUI.EndChangeCheck())
{
CalcBiome();
}
EditorGUILayout.LabelField(biomeTestResult);
EditorGUILayout.EndVertical();
// Biome map
space = EditorGUILayout.BeginVertical();
GUILayout.FlexibleSpace();
EditorGUILayout.EndVertical();
EditorGUI.DrawPreviewTexture(space, biomeTex, previewTextureMat, ScaleMode.ScaleToFit);
EditorGUILayout.EndHorizontal();
EditorGUILayout.Separator();
}
if (requestRefresh)
{
RefreshTextures();
}
}
