File size: 6,229 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | #if UNITY_WEBGL || UNITY_EDITOR
using UnityEngine.InputSystem.Layouts;
using UnityEngine.InputSystem.WebGL.LowLevel;
using UnityEngine.InputSystem.LowLevel;
using UnityEngine.InputSystem.Utilities;
using System;
namespace UnityEngine.InputSystem.WebGL
{
#if UNITY_DISABLE_DEFAULT_INPUT_PLUGIN_INITIALIZATION
public
#else
internal
#endif
static class WebGLSupport
{
private const string InterfaceName = "WebGL";
public static void Initialize()
{
// We only turn gamepads with the "standard" mapping into actual Gamepads.
InputSystem.RegisterLayout<WebGLGamepad>(
matches: new InputDeviceMatcher()
.WithInterface(InterfaceName)
.WithDeviceClass("Gamepad")
.WithCapability("mapping", "standard"));
InputSystem.onFindLayoutForDevice += OnFindLayoutForDevice;
}
internal static string OnFindLayoutForDevice(ref InputDeviceDescription description,
string matchedLayout, InputDeviceExecuteCommandDelegate executeCommandDelegate)
{
// If the device isn't a WebGL device, we're not interested.
if (string.Compare(description.interfaceName, InterfaceName, StringComparison.InvariantCultureIgnoreCase) != 0)
return null;
// If it was matched by the standard mapping, we don't need to fall back to generating a layout.
if (!string.IsNullOrEmpty(matchedLayout) && matchedLayout != "Gamepad")
return null;
var deviceMatcher = InputDeviceMatcher.FromDeviceDescription(description);
var layout = new WebGLLayoutBuilder {capabilities = WebGLDeviceCapabilities.FromJson(description.capabilities)};
InputSystem.RegisterLayoutBuilder(() => layout.Build(),
description.product, "Joystick", deviceMatcher);
return description.product;
}
[Serializable]
private class WebGLLayoutBuilder
{
public WebGLDeviceCapabilities capabilities;
public InputControlLayout Build()
{
var builder = new InputControlLayout.Builder
{
type = typeof(WebGLJoystick),
extendsLayout = "Joystick",
stateFormat = new FourCC('H', 'T', 'M', 'L')
};
// Best guess: Treat first two axes as stick
uint offset = 0;
if (capabilities.numAxes >= 2)
{
var stickName = "Stick";
builder.AddControl(stickName)
.WithLayout("Stick")
.WithByteOffset(offset)
.WithSizeInBits(64)
.WithFormat(InputStateBlock.FormatFloat);
builder.AddControl(stickName + "/x")
.WithLayout("Axis")
.WithByteOffset(offset)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
builder.AddControl(stickName + "/y")
.WithLayout("Axis")
.WithByteOffset(offset + 4)
.WithParameters("invert")
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
//Need to handle Up/Down/Left/Right
builder.AddControl(stickName + "/up")
.WithLayout("Button")
.WithParameters("clamp=1,clampMin=-1,clampMax=0,invert")
.WithByteOffset(offset + 4)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
builder.AddControl(stickName + "/down")
.WithLayout("Button")
.WithParameters("clamp=1,clampMin=0,clampMax=1")
.WithByteOffset(offset + 4)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
builder.AddControl(stickName + "/left")
.WithLayout("Button")
.WithParameters("clamp=1,clampMin=-1,clampMax=0,invert")
.WithByteOffset(offset)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
builder.AddControl(stickName + "/right")
.WithLayout("Button")
.WithParameters("clamp=1,clampMin=0,clampMax=1")
.WithByteOffset(offset)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
offset += 8;
}
for (var axis = 2; axis < capabilities.numAxes; axis++)
{
builder.AddControl($"Axis {axis - 1}")
.WithLayout("Axis")
.WithByteOffset(offset)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
offset += 4;
}
var buttonStartOffset = offset;
for (var button = 0; button < capabilities.numButtons; button++)
{
builder.AddControl($"Button {button + 1}")
.WithLayout("Button")
.WithByteOffset(offset)
.WithSizeInBits(32)
.WithFormat(InputStateBlock.FormatFloat);
offset += 4;
}
builder.AddControl("Trigger")
.WithLayout("AnyKey")
.WithByteOffset(buttonStartOffset)
.IsSynthetic(true)
.WithSizeInBits((uint)(32 * capabilities.numButtons))
.WithFormat(InputStateBlock.FormatBit);
return builder.Build();
}
}
}
}
#endif // UNITY_WEBGL || UNITY_EDITOR
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