Cyber/Assets/Scripts/Controls/InventoryInterface.cs
2017-05-12 11:53:57 +03:00

102 lines
3.6 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cyber.Util;
namespace Cyber.Controls {
/// <summary>
/// Handles displaying and interacting with the inventory.
/// </summary>
public class InventoryInterface : MonoBehaviour {
/// <summary>
/// The camera that is displaying this inventory interface.
/// </summary>
public Camera Camera;
/// <summary>
/// The hologram that acts as the root for the inventory.
/// </summary>
public Hologram Hologram;
/// <summary>
/// The text that contains the item list.
/// </summary>
public TextTextureApplier ItemListText;
/// <summary>
/// How many items can be shown on the screen at the same time.
/// </summary>
public int ItemsPerScreen;
private CursorHandler CursorHandler;
private bool InventoryOpen = false;
private int TestingInventorySize = 20;
private int ScrollingIndex = 0;
private int SelectedIndex = -1;
private void Start() {
CursorHandler = GameObject.Find("/Systems/CursorHandler").GetComponent<CursorHandler>();
RebuildItemList(-1);
}
private void Update() {
if (Input.GetButtonDown("Inventory")) {
InventoryOpen = !InventoryOpen;
Hologram.Visible = InventoryOpen;
CursorHandler.RequestLockState(!InventoryOpen);
}
RaycastHit LookedAt = CameraUtil.GetLookedAtHit(Camera, 1f, true);
if (LookedAt.collider != null) {
TextTextureApplier Text = LookedAt.collider.GetComponent<TextTextureApplier>();
if (Text != null && Text == ItemListText) {
// Interacting with the item list
// Calculate the index
float ScaledY = (Text.transform.InverseTransformPoint(LookedAt.point).z * 0.1f) + 0.5f;
int CurrentIndex = ScrollingIndex + (int)(ScaledY * ItemsPerScreen);
// Update inputs
if (Input.GetAxis("Mouse ScrollWheel") > 0 && ScrollingIndex > 0) {
ScrollingIndex--;
}
if (Input.GetAxis("Mouse ScrollWheel") < 0 && ScrollingIndex < TestingInventorySize - 1) {
ScrollingIndex++;
}
if (Input.GetButtonDown("Activate")) {
SelectedIndex = CurrentIndex;
}
// Rebuild the list
RebuildItemList(CurrentIndex);
}
} else {
// Outside of the inventory, clicking will unselect
if (Input.GetButtonDown("Activate")) {
SelectedIndex = -1;
RebuildItemList(-1);
}
}
}
private void RebuildItemList(int focused) {
string Inv = "";
for (int i = ScrollingIndex; i < TestingInventorySize; i++) {
if (i == focused) {
Inv += "<b>";
}
if (i == SelectedIndex) {
Inv += "·";
}
Inv += "Item #" + i + "\n";
if (i == focused) {
Inv += "</b>";
}
}
TextTextureProperties NewProps = ItemListText.TextProperties;
NewProps.Text = Inv;
ItemListText.SetTextProperties(NewProps);
}
}
}