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标题: A tileset selector （二） [打印本页]

作者: 会飞的鱼 时间: 2011-11-18 15:14
标题: A tileset selector （二）

         Step 3


         Place these two scripts in the Editor folder:


         /*


               Copyright 2010 CJ Currie


               @Date: October 2010


               @Contact:

         CJCurrie@BlackStormsStudios.com


               @Script: A custom Inspector and popout window for choosing tiles from a tileset


               @Connections:


               @TODO: Suppress the error thrown on line 58.


         */





         using UnityEngine;


         using UnityEditor;





         [CustomEditor (typeof(TileManager))]


         public class TileManagerEditor : Editor {





               public static Texture2D tileset;


               int tileSize = 16;


               TileManager targ;


               //public Texture2D currentTile;





         public override void OnInspectorGUI()


         {


                  targ = (TileManager)target;


         tileset = (Texture2D)EditorGUILayout.ObjectField("Current tileset", tileset, typeof(Texture2D));





         GUILayout.BeginHorizontal();


         GUILayout.Label("Unique ID: ");


         targ.uniqueID = EditorGUILayout.TextField (targ.uniqueID, GUILayout.Width(100));


         GUILayout.Label(" Tile Size ");


         tileSize = EditorGUILayout.IntField(tileSize, GUILayout.Width(20));


         GUILayout.EndHorizontal();





         if (GUILayout.Button("Select new tile"))


         {


            TileSelectorEditor window = (TileSelectorEditor) EditorWindow.GetWindow (typeof (TileSelectorEditor));


            window.Init(this, tileSize, tileset);


         }





         GUILayout.Space(30);





         GUILayout.Label("Last tile configuration:
"+"("+targ.lastTile[0]+","+targ.lastTile[1]+") to ("+


               (targ.lastTile[0]+targ.lastTile[2])+","+(targ.lastTile[1]+targ.lastTile[3])+")");





         if (GUILayout.Button ("Reselect last tile configuration"))


         {


                  SetTile(targ.lastTile[0], targ.lastTile[1], targ.lastTile[2], targ.lastTile[3]);


                  //((TileManager)target).renderer.material.mainTexture = ((TileManager)target).currentTile;


         }





         GUILayout.BeginHorizontal();


                  GUILayout.Label ("Last selected tile: ");


                  GUILayout.Label (targ.currentTile);


               GUILayout.EndHorizontal();





         GUILayout.Space(20);





         if (GUILayout.Button("RESET: Lose all assets and selection data?"))


         {


               targ.lastTile = new int[4];


               AssetDatabase.DeleteAsset(targ.uniquePath + "


         _

         tex.asset");


               AssetDatabase.DeleteAsset(targ.uniquePath + "

         _

         mat.asset");


               targ.uniquePath = "";


               targ.uniqueID = "";


         }


         }





         // =================


         //  Remotely Called


         // =================


         public void SetTile (int x, int y, int width, int height)


         {


            if (!tileset)


            {


               Debug.LogError ("No Tileset selected");


               return;


            }





            if (width == 0 || height == 0)


            {


               Debug.LogError ("Cannot select a tile of width or height 0");


               return;


            }








            // Set the last tile so it can be re-fetched


            targ.lastTile[0] = x;


            targ.lastTile[1] = y;


            targ.lastTile[2] = width;


            targ.lastTile[3] = height;





            // Set other info on the TileManager


            targ.width = width;


            targ.height = height;





            // Pick the tile's texture


            int tHeight = tileset.height;


            y += - 2 + height;       // Do a little offsetting because the way the pixels are mapped is weird


            y = (tHeight/tileSize) - y; // Invert since GetPixels is bottom-based





            // --- Make the new texture


            Color[] pixels = tileset.GetPixels (x*tileSize, y*tileSize, width*tileSize, height*tileSize);


            Texture2D newTex = new Texture2D (width*tileSize, height*tileSize);


            newTex.SetPixels(pixels);


            newTex.mipMapBias = -10;


            newTex.Apply(false);





            // --- Modify the assets we've created ---


            targ.uniquePath = "Assets/Map Pieces/Components/Images/" + targ.uniqueID;





                  AssetDatabase.CreateAsset(newTex, targ.uniquePath+"

         _

         tex.asset");





            targ.currentTile = newTex;  // Set the icon





            // --- Make the new Material


            Material newMat = new Material (targ.renderer.sharedMaterial);





                  // --- Apply texture to the material - Note that on slower machines it may attempt to do this before the asset is finished creating, and a nullreference will be thrown.  Ignore it


                  //


            newMat.mainTexture = (Texture2D)AssetDatabase.LoadAssetAtPath (targ.uniquePath+"

         _

         tex.asset", typeof(Texture2D) );





                  AssetDatabase.CreateAsset (newMat, targ.uniquePath+"

         _

         mat.asset");





            try


            {


                           targ.renderer.sharedMaterial = (Material)AssetDatabase.LoadAssetAtPath (targ.uniquePath+"

         _

         mat.asset", typeof(Material) );


                           //targ.renderer.sharedMaterial.mainTexture = (Texture2D)AssetDatabase.LoadAssetAtPath (targ.uniquePath, typeof(Texture2D) );


                        }


                        catch (System.Exception e)


                        {


                                 Debug.LogError (e);


                        }


         }


         }


         Note that the path on line 108 needs to be modified from "Assets/Map Pieces/Components/Images/" to "Assets/your path".


         This is the other:


         /*


               Copyright 2010 CJ Currie


               @Date: October 2010


               @Contact:

         CJCurrie@BlackStormsStudios.com


               @Script: Creates the window that chooses the tiles and submits them to the TileManagerEditor.


               @Connections:


               @TODO:


         */





         using UnityEngine;


         using UnityEditor;





         public class TileSelectorEditor : EditorWindow {





         // --- Cache ---


         public Texture2D selectionBox;





         // --- Init Values ---


         TileManagerEditor target;


         Vector2 scrollview;





         // --- Script vars ---


         Texture2D tileset = null;


         int tileSize;


         Vector2 mousePos;


         float zoom = 1.5f;


         //int[] numberOfTiles = new int[2];


         int[] selectedStart = new int[2]; // The top-left-most tile selected


         int horizTilesSelected; // How many tiles wide the selection is


         int vertTilesSelected; // How many tiles tall


         bool isDragging;


         int padding

         _

         top = 2;





         public void Init(TileManagerEditor incTarget, int incTileSize, Texture2D inctileset)


         {


         wantsMouseMove = ***e;





         target = (TileManagerEditor)incTarget;


         tileSize = incTileSize;


         //numberOfTiles[0] = tileset.width / tileSize;


         //numberOfTiles[1] = tileset.height / tileSize;


         tileset = inctileset;


         }








         void OnGUI()


         {


            if (!tileset)


            {


               GUILayout.FlexibleSpace();


               GUILayout.BeginHorizontal();


               GUILayout.FlexibleSpace();


               GUILayout.Label("NO TILESET SELECTED");


               GUILayout.FlexibleSpace();


               GUILayout.EndHorizontal();


               GUILayout.FlexibleSpace();


               return;


            }





            // Zoom controls


            GUILayout.BeginHorizontal(GUILayout.Width(300), GUILayout.Height(tileSize*padding

         _

         top*zoom));


            GUILayout.Label (" Zoom ");


            // Check that we're not zooming too far, too


            if (GUILayout.Button(" + ") && zoom < 4)


            {zoom += .5f;}


            else if (GUILayout.Button(" -  ") && zoom > 1)


            {zoom -= .5f;}





            GUILayout.Space(50);





            // Submit changes


            if (GUILayout.Button("Set Sprite", GUILayout.Width(200)))


            {


               // Increment the width and height so it's no longer zero-based


               target.SetTile(selectedStart[0], selectedStart[1], horizTilesSelected + 1, vertTilesSelected + 1);


            }





            GUILayout.Label("Selected: ("+selectedStart[0]+","+selectedStart[1]+") to ("+(selectedStart[0]+horizTilesSelected)+","+(selectedStart[1]+vertTilesSelected)+")" );





            GUILayout.EndHorizontal();





            // -----------------


            // Begin scroll view


            // Make the scroll bar


            scrollview = EditorGUILayout.BeginScrollView(scrollview, GUILayout.Width (position.width), GUILayout.Height (position.height));


            // Round to the nearest tileSize. Dividing and then multiplying by the same number forces scrollview to be a multiple of tileSize


            scrollview.x = (int)(scrollview.x/tileSize/zoom);


            scrollview.x *= tileSize*zoom;


            scrollview.y = (int)(scrollview.y/tileSize/zoom);


            scrollview.y *= tileSize*zoom;





            // Show the tileset


            GUILayout.Label("", GUILayout.Width(tileset.width * zoom), GUILayout.Height(tileset.height * zoom));


            GUI.DrawTexture(new Rect(0,0,tileset.width * zoom,tileset.height * zoom), tileset);





            // End scroll view


            EditorGUILayout.EndScrollView ();


            // ------------------





            Event e = Event.current;


            int[] currentPos = new int[2];


            currentPos[0] = (int)((e.mousePosition.x + scrollview.x) / tileSize / zoom);


            currentPos[1] = (int)((e.mousePosition.y + scrollview.y) / tileSize / zoom);





            // --- Tile select  ---





            if (isDragging)


            {


               // We're back on the first tile


               if (currentPos[0] == selectedStart[0])


               horizTilesSelected = 0;


               if (currentPos[1] == selectedStart[1])


               vertTilesSelected = 0;





               if (currentPos != selectedStart)


               {


               // Are we to the left of the selectedStart?


               if (currentPos[0] < selectedStart[0])


               {


                  horizTilesSelected ++; // Change how many tiles wide the selection is


                  selectedStart[0] = currentPos[0]; // Change the selected start


               }


               // Else, if we are to the right, change width


               else if (selectedStart[0] < currentPos[0])


                  horizTilesSelected = currentPos[0] - selectedStart[0]; // Change the width





               // Are we above the selectedStart?


               if (currentPos[1] < selectedStart[1])


               {


                  vertTilesSelected = selectedStart[1] - currentPos[1]; // Change how many tiles tall the selection is


                  selectedStart[1] = currentPos[1]; // Change the selected start


               }


               // Else, if we are below, change height


               else if (selectedStart[1] < currentPos[1])


                  vertTilesSelected = currentPos[1] - selectedStart[1];


               }


            }





            if (e.type == EventType.MouseDown && e.button == 0) // Left mouse button down - first selection


            {


               selectedStart[0] = currentPos[0];


               selectedStart[1] = currentPos[1];


               horizTilesSelected = 0;


               vertTilesSelected = 0;





               isDragging = ***e;


            }


            else if (isDragging && e.type == EventType.MouseUp && e.button == 0)


            {


               isDragging = false;


            }





            int[] offset = new int[2];


            offset[0] = (int)(scrollview.x / tileSize / zoom);


            offset[1] = (int)(scrollview.y / tileSize / zoom);





            // Selection Indicator


            GUI.DrawTexture(new Rect((selectedStart[0]-offset[0]) * zoom * tileSize, (selectedStart[1]-offset[1]) * zoom * tileSize, tileSize*zoom * (horizTilesSelected+1),


               tileSize*zoom * (vertTilesSelected+1)), selectionBox);





            // --- If we're in the window, redraw it


            if (EditorWindow.mouseOverWindow == this)


            {


               this.Repaint();


            }


         }


         }


         Once the script compiles, set the default "Selection Box" reference image by clicking on the script and dragging the image to the exposed variable. I used a simple one I made in Photoshop:

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作者: tc 时间: 2012-3-6 23:27
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作者: 晃晃 时间: 2012-3-25 23:21
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作者: 菜刀吻电线 时间: 2012-4-19 23:18
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