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269 lines
12 KiB
C#
269 lines
12 KiB
C#
3 years ago
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using Gaia.Internal;
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using PWCommon5;
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using System;
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using System.Collections.Generic;
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using UnityEditor;
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using UnityEngine;
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namespace Gaia
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{
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public class TerrainStitchInfo
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{
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public string m_terrainDataGUID;
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public bool m_north;
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public bool m_south;
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public bool m_west;
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public bool m_east;
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}
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public class GaiaTerrainStitcher : EditorWindow, IPWEditor
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{
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private EditorUtils m_editorUtils;
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bool m_targetAllTerrains = true;
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static bool m_stitchAllDirections = true;
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static bool m_stitchDirectionNorth = true;
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static bool m_stitchDirectionSouth = true;
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static bool m_stitchDirectionWest = true;
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static bool m_stitchDirectionEast = true;
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static List<TerrainStitchInfo> m_stitchedTerrains = new List<TerrainStitchInfo>();
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static Terrain m_targetTerrain;
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public static int m_extraSeamSize = 1;
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static float m_maxDifference = 1.0f;
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private GaiaSettings m_settings;
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public bool PositionChecked { get => true; set => PositionChecked = value; }
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void OnEnable()
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{
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if (m_editorUtils == null)
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{
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// Get editor utils for this
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m_editorUtils = PWApp.GetEditorUtils(this);
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}
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titleContent = m_editorUtils.GetContent("WindowTitle");
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}
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void OnGUI()
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{
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m_editorUtils.Initialize();
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m_editorUtils.Panel("TerrainStitcher", DrawTerrainStitcher, true);
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}
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private void DrawTerrainStitcher(bool helpEnabled)
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{
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EditorGUILayout.BeginVertical();
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m_targetAllTerrains = m_editorUtils.Toggle("AllTerrains", m_targetAllTerrains, helpEnabled);
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bool currentGUIState = GUI.enabled;
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if (m_targetAllTerrains)
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{
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GUI.enabled = false;
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}
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m_targetTerrain = (Terrain)m_editorUtils.ObjectField("TargetTerrain", m_targetTerrain, typeof(Terrain), true, helpEnabled);
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GUI.enabled = currentGUIState;
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m_stitchAllDirections = m_editorUtils.Toggle("StitchAllDirections", m_stitchAllDirections, helpEnabled);
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if (!m_stitchAllDirections)
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{
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m_stitchDirectionNorth = m_editorUtils.Toggle("StitchDirectionNorth", m_stitchDirectionNorth, helpEnabled);
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m_stitchDirectionSouth = m_editorUtils.Toggle("StitchDirectionSouth", m_stitchDirectionSouth, helpEnabled);
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m_stitchDirectionWest = m_editorUtils.Toggle("StitchDirectionWest", m_stitchDirectionWest, helpEnabled);
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m_stitchDirectionEast = m_editorUtils.Toggle("StitchDirectionEast", m_stitchDirectionEast, helpEnabled);
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}
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m_maxDifference = m_editorUtils.Slider("MaxDifference", m_maxDifference * 100, 0, 100, helpEnabled) / 100f;
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m_extraSeamSize = m_editorUtils.IntSlider("ExtraSeamSize", m_extraSeamSize, 0, 200, helpEnabled);
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if (m_settings == null)
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{
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m_settings = GaiaUtils.GetGaiaSettings();
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}
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GUI.backgroundColor = m_settings.GetActionButtonColor();
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if (m_editorUtils.Button("StartStitching"))
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{
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if (!m_targetAllTerrains && m_targetTerrain == null)
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{
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EditorUtility.DisplayDialog("No terrain selected", "There is currently no terrain selected to work with. You need to either check 'Stitch all terrains' or select a single target terrain to use with this tool.", "OK");
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EditorGUIUtility.ExitGUI();
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return;
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}
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if (EditorUtility.DisplayDialog("Stitch terrain(s)?", "This tool will align heightmaps between the terrains in your scene. This will permanently change the terrain heights in your scene, so please create a backup of your project if there is any risk of losing work.", "Continue", "Cancel"))
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{
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m_stitchedTerrains.Clear();
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if (m_targetAllTerrains)
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{
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if (GaiaUtils.HasDynamicLoadedTerrains())
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{
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GaiaUtils.CallFunctionOnDynamicLoadedTerrains(StitchTerrain, false);
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}
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else
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{
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foreach (Terrain t in Terrain.activeTerrains)
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{
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StitchTerrain(t);
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}
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}
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}
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else
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{
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if (m_targetTerrain != null)
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{
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StitchTerrain(m_targetTerrain);
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}
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}
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}
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}
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EditorGUILayout.EndVertical();
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}
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public static void StitchTerrain(Terrain terrain)
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{
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TerrainStitchInfo stitchInfo = GetOrCreateStitchInfo(terrain);
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Terrain neighborTerrain = null;
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TerrainStitchInfo neighborStitchInfo = null;
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//Before we begin, we need to load in the potential neighbor scenes for stitching
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TerrainScene neighborSceneNorth = null;
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TerrainScene neighborSceneSouth = null;
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TerrainScene neighborSceneEast = null;
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TerrainScene neighborSceneWest = null;
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if (GaiaUtils.HasDynamicLoadedTerrains())
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{
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TerrainScene ts = TerrainLoaderManager.Instance.GetTerrainSceneAtPosition(terrain.transform.position + terrain.terrainData.size * 0.5f);
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neighborSceneNorth = TerrainLoaderManager.Instance.TryGetNeighbor(ts, StitchDirection.North);
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neighborSceneSouth = TerrainLoaderManager.Instance.TryGetNeighbor(ts, StitchDirection.South);
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neighborSceneEast = TerrainLoaderManager.Instance.TryGetNeighbor(ts, StitchDirection.East);
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neighborSceneWest = TerrainLoaderManager.Instance.TryGetNeighbor(ts, StitchDirection.West);
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}
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if ((m_stitchAllDirections || m_stitchDirectionNorth) && stitchInfo.m_north ==false)
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{
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if (neighborSceneNorth != null)
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{
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if (neighborSceneNorth.m_regularLoadState != LoadState.Loaded)
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{
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neighborSceneNorth.AddRegularReference(TerrainLoaderManager.Instance.gameObject);
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}
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}
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neighborTerrain = TerrainHelper.GetTerrainNeighbor(terrain, StitchDirection.North);
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if (neighborTerrain != null)
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{
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neighborStitchInfo = GetOrCreateStitchInfo(neighborTerrain);
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if (neighborStitchInfo.m_south == false)
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{
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TerrainHelper.StitchTerrainHeightmaps(terrain, neighborTerrain, m_extraSeamSize, m_maxDifference);
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}
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stitchInfo.m_north = true;
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neighborStitchInfo.m_south = true;
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}
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if (neighborSceneNorth != null)
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{
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neighborSceneNorth.RemoveAllReferences();
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}
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}
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if ((m_stitchAllDirections || m_stitchDirectionSouth) && stitchInfo.m_south == false)
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{
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if (neighborSceneSouth != null)
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{
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if (neighborSceneSouth.m_regularLoadState != LoadState.Loaded)
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{
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neighborSceneSouth.AddRegularReference(TerrainLoaderManager.Instance.gameObject);
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}
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}
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neighborTerrain = TerrainHelper.GetTerrainNeighbor(terrain, StitchDirection.South);
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if (neighborTerrain != null)
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{
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neighborStitchInfo = GetOrCreateStitchInfo(neighborTerrain);
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if (neighborStitchInfo.m_north == false)
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{
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TerrainHelper.StitchTerrainHeightmaps(terrain, neighborTerrain, m_extraSeamSize, m_maxDifference);
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}
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stitchInfo.m_south = true;
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neighborStitchInfo.m_north = true;
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}
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if (neighborSceneSouth != null)
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{
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neighborSceneSouth.RemoveAllReferences();
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}
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}
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if ((m_stitchAllDirections || m_stitchDirectionWest) && stitchInfo.m_west == false)
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{
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if (neighborSceneWest != null)
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{
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if (neighborSceneWest.m_regularLoadState != LoadState.Loaded)
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{
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neighborSceneWest.AddRegularReference(TerrainLoaderManager.Instance.gameObject);
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}
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}
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neighborTerrain = TerrainHelper.GetTerrainNeighbor(terrain, StitchDirection.West);
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if (neighborTerrain != null)
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{
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neighborStitchInfo = GetOrCreateStitchInfo(neighborTerrain);
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if (neighborStitchInfo.m_east == false)
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{
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TerrainHelper.StitchTerrainHeightmaps(terrain, neighborTerrain, m_extraSeamSize, m_maxDifference);
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}
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stitchInfo.m_west = true;
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neighborStitchInfo.m_east= true;
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}
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if (neighborSceneWest != null)
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{
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neighborSceneWest.RemoveAllReferences();
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}
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}
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if ((m_stitchAllDirections || m_stitchDirectionEast) && stitchInfo.m_east == false)
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{
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if (neighborSceneEast != null)
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{
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if (neighborSceneEast.m_regularLoadState != LoadState.Loaded)
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{
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neighborSceneEast.AddRegularReference(TerrainLoaderManager.Instance.gameObject);
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}
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}
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neighborTerrain = TerrainHelper.GetTerrainNeighbor(terrain, StitchDirection.East);
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if (neighborTerrain != null)
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{
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neighborStitchInfo = GetOrCreateStitchInfo(neighborTerrain);
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if (neighborStitchInfo.m_west== false)
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{
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TerrainHelper.StitchTerrainHeightmaps(terrain, neighborTerrain, m_extraSeamSize, m_maxDifference);
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}
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stitchInfo.m_east = true;
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neighborStitchInfo.m_west = true;
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}
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if (neighborSceneEast != null)
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{
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neighborSceneEast.RemoveAllReferences();
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}
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}
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}
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private static TerrainStitchInfo GetOrCreateStitchInfo(Terrain terrain)
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{
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string guid = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(terrain.terrainData));
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if (!String.IsNullOrEmpty(guid))
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{
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TerrainStitchInfo stitchInfo = m_stitchedTerrains.Find(x => x.m_terrainDataGUID == guid);
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if (stitchInfo == null)
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{
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stitchInfo = new TerrainStitchInfo() { m_terrainDataGUID = guid };
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m_stitchedTerrains.Add(stitchInfo);
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}
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return stitchInfo;
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}
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else
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{
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Debug.LogError($"Error while stitching terrains, could not find terrain data GUID for terrain {terrain.name}");
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return null;
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}
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}
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}
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}
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