mirror of
https://github.com/GTA-ASM/SanAndreasUnity
synced 2024-11-23 12:33:02 +00:00
289 lines
No EOL
8.5 KiB
C#
289 lines
No EOL
8.5 KiB
C#
using UnityEngine;
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using System.Collections.Generic;
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namespace SanAndreasUnity.Utilities
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{
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public enum ScreenCorner { TopRight, TopLeft, BottomRight, BottomLeft }
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public static class GUIUtils
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{
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private static GUIStyle styleWithBackground = new GUIStyle ();
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private static GUIStyle s_centeredLabelStyle = null;
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public static GUIStyle CenteredLabelStyle {
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get {
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if (null == s_centeredLabelStyle)
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s_centeredLabelStyle = new GUIStyle (GUI.skin.label) { alignment = TextAnchor.MiddleCenter };
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return s_centeredLabelStyle;
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}
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}
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public static Rect ScreenRect { get { return new Rect (0, 0, Screen.width, Screen.height); } }
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public static Rect GetCornerRect(ScreenCorner corner, Vector2 size, Vector2? padding = null)
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{
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return GetCornerRect(corner, size.x, size.y, padding);
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}
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public static Rect GetCornerRect(ScreenCorner corner, float width, float height, Vector2? padding = null)
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{
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float padX = 0,
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padY = 0;
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if (padding != null)
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{
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padX = padding.Value.x;
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padY = padding.Value.y;
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}
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switch (corner)
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{
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case ScreenCorner.TopLeft:
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return new Rect(padX, padY, width, height);
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case ScreenCorner.TopRight:
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return new Rect(Screen.width - (width + padX), padY, width, height);
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case ScreenCorner.BottomLeft:
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return new Rect(padX, Screen.height - (height + padY), width, height);
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case ScreenCorner.BottomRight:
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return new Rect(Screen.width - (width + padX), Screen.height - (height + padY), width, height);
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}
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return default(Rect);
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}
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public static Rect GetCenteredRect( Vector2 size ) {
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Vector2 pos = new Vector2 (Screen.width * 0.5f, Screen.height * 0.5f);
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pos -= size * 0.5f;
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return new Rect (pos, size);
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}
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public static Rect GetCenteredRectPerc( Vector2 sizeInScreenPercentage ) {
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return GetCenteredRect (new Vector2 (Screen.width * sizeInScreenPercentage.x, Screen.height * sizeInScreenPercentage.y));
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}
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public static Vector2 CalcScreenSizeForContent( GUIContent content, GUIStyle style ) {
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return style.CalcScreenSize (style.CalcSize (content));
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}
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public static Vector2 CalcScreenSizeForText( string text, GUIStyle style ) {
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return CalcScreenSizeForContent (new GUIContent (text), style);
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}
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public static bool ButtonWithCalculatedSize( string text ) {
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Vector2 size = CalcScreenSizeForText (text, GUI.skin.button);
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return GUILayout.Button (text, GUILayout.Width (size.x), GUILayout.Height (size.y));
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}
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public static bool ButtonWithColor( Rect rect, string text, Color color) {
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var oldColor = GUI.backgroundColor;
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GUI.backgroundColor = color;
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bool result = GUI.Button (rect, text);
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GUI.backgroundColor = oldColor;
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return result;
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}
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public static void DrawRect (Rect position, Color color, GUIContent content = null)
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{
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var backgroundColor = GUI.backgroundColor;
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GUI.backgroundColor = color;
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styleWithBackground.normal.background = Texture2D.whiteTexture;
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GUI.Box (position, content ?? GUIContent.none, styleWithBackground);
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GUI.backgroundColor = backgroundColor;
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}
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public static void DrawBar (Rect rect, float fillPerc, Color fillColor, Color backgroundColor, float borderWidth)
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{
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fillPerc = Mathf.Clamp01 (fillPerc);
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Rect fillRect = rect;
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fillRect.position += Vector2.one * borderWidth;
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fillRect.size -= Vector2.one * borderWidth * 2;
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// first fill with black - that will be the border
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GUIUtils.DrawRect( rect, Color.black );
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// fill with background
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GUIUtils.DrawRect( fillRect, backgroundColor );
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// draw filled part
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fillRect.width *= fillPerc;
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GUIUtils.DrawRect( fillRect, fillColor );
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}
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public static int TabsControl (int currentTabIndex, params string[] tabNames)
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{
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return GUILayout.Toolbar (currentTabIndex, tabNames);
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}
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public static Rect GetRectForBarAsBillboard (Vector3 worldPos, float worldWidth, float worldHeight, Camera cam)
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{
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Vector3 camRight = cam.transform.right;
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// Vector3 camUp = cam.transform.up;
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// Vector3 upperLeft = worldPos - camRight * worldWidth * 0.5f + camUp * worldHeight * 0.5f;
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// Vector3 upperRight = upperLeft + camRight * worldWidth;
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// Vector3 lowerLeft = upperLeft - camUp * worldHeight;
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// Vector3 lowerRight = lowerLeft + camRight * worldWidth;
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Vector3 leftWorld = worldPos - camRight * worldWidth * 0.5f;
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Vector3 rightWorld = worldPos + camRight * worldWidth * 0.5f;
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Vector3 leftScreen = cam.WorldToScreenPoint (leftWorld);
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Vector3 rightScreen = cam.WorldToScreenPoint (rightWorld);
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if (leftScreen.z < 0 || rightScreen.z < 0)
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return Rect.zero;
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// transform to gui coordinates
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leftScreen.y = Screen.height - leftScreen.y;
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rightScreen.y = Screen.height - rightScreen.y;
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float screenWidth = rightScreen.x - leftScreen.x;
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float screenHeight = screenWidth * worldHeight / worldWidth;
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return new Rect (new Vector2(leftScreen.x, leftScreen.y - screenHeight * 0.5f), new Vector2(screenWidth, screenHeight) );
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}
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public static void CenteredLabel(Vector2 pos, string text) {
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Vector2 size = CalcScreenSizeForText (text, GUI.skin.label);
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GUI.Label (new Rect (pos - size * 0.5f, size), text);
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}
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public static void DrawHorizontalLine(float height, float spaceBetween, Color color)
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{
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GUILayout.Space(spaceBetween);
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float width = GUILayoutUtility.GetLastRect().width;
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Rect rect = GUILayoutUtility.GetRect(width, height);
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GUIUtils.DrawRect(rect, color);
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GUILayout.Space(spaceBetween);
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}
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/// <summary> Draws the texture flipped around Y axis. </summary>
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public static void DrawTextureWithYFlipped(Rect rect, Texture2D tex) {
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var savedMatrix = GUI.matrix;
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GUIUtility.ScaleAroundPivot (new Vector2 (1, -1), rect.center);
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GUI.DrawTexture (rect, tex);
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GUI.matrix = savedMatrix;
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}
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public static Rect DrawItemsInARowPerc (Rect rect, System.Action<Rect, string> drawItem, string[] items, float[] widthPercs ) {
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Rect itemRect = rect;
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float x = rect.position.x;
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for (int i = 0; i < items.Length; i++) {
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float width = widthPercs [i] * rect.width;
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itemRect.position = new Vector2 (x, itemRect.position.y);
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itemRect.width = width;
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drawItem (itemRect, items [i]);
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x += width;
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}
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rect.position += new Vector2 (x, 0f);
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rect.width -= x;
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return rect;
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}
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public static Rect DrawItemsInARow (Rect rect, System.Action<Rect, string> drawItem, string[] items, float[] widths ) {
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float[] widthPercs = new float[widths.Length];
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for (int i = 0; i < widths.Length; i++) {
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widthPercs [i] = widths [i] / rect.width;
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}
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return DrawItemsInARowPerc (rect, drawItem, items, widthPercs);
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}
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public static Rect GetNextRectInARowPerc (Rect rowRect, ref int currentRectIndex, float spacing, params float[] widthPercs) {
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float x = rowRect.position.x;
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for (int i = 0; i < currentRectIndex; i++) {
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x += widthPercs [i] * rowRect.width;
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x += spacing;
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}
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float width = widthPercs [currentRectIndex] * rowRect.width;
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currentRectIndex++;
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return new Rect( x, rowRect.position.y, width, rowRect.height );
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}
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public static Rect GetNextRectInARow (Rect rowRect, ref int currentRectIndex, float spacing, params float[] widths) {
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float[] widthPercs = new float[widths.Length];
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for (int i = 0; i < widths.Length; i++) {
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widthPercs [i] = widths [i] / rowRect.width;
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}
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return GetNextRectInARowPerc (rowRect, ref currentRectIndex, spacing, widthPercs);
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}
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public static int DrawPagedViewNumbers (Rect rect, int currentPage, int numPages)
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{
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int resultingPage = currentPage;
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float spacing = 1f;
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rect.width = 25f;
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if (GUI.Button (rect, "<")) {
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resultingPage--;
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}
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rect.position += new Vector2(rect.width + spacing, 0f);
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for (int i = 0; i < numPages; i++) {
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var style = currentPage == (i + 1) ? GUI.skin.box : GUI.skin.button;
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if (GUI.Button (rect, (i + 1).ToString (), style))
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resultingPage = i + 1;
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rect.position += new Vector2(rect.width + spacing, 0f);
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}
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if (GUI.Button (rect, ">")) {
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resultingPage++;
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}
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rect.position += new Vector2(rect.width + spacing, 0f);
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resultingPage = Mathf.Clamp( resultingPage, 1, numPages );
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return resultingPage;
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}
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public static int DrawPagedViewNumbers (Rect rect, int currentPage, int totalNumItems, int numItemsPerPage)
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{
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int numPages = Mathf.CeilToInt (totalNumItems / (float) numItemsPerPage);
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return DrawPagedViewNumbers (rect, currentPage, numPages);
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}
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}
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} |