Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | /* Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | */ |
| 5 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 6 | /* From ppb_gamepad.idl modified Tue Apr 16 09:04:34 2013. */ |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 7 | |
| 8 | #ifndef PPAPI_C_PPB_GAMEPAD_H_ |
| 9 | #define PPAPI_C_PPB_GAMEPAD_H_ |
| 10 | |
| 11 | #include "ppapi/c/pp_bool.h" |
| 12 | #include "ppapi/c/pp_instance.h" |
| 13 | #include "ppapi/c/pp_macros.h" |
| 14 | #include "ppapi/c/pp_stdint.h" |
| 15 | |
| 16 | #define PPB_GAMEPAD_INTERFACE_1_0 "PPB_Gamepad;1.0" |
| 17 | #define PPB_GAMEPAD_INTERFACE PPB_GAMEPAD_INTERFACE_1_0 |
| 18 | |
| 19 | /** |
| 20 | * @file |
| 21 | * This file defines the <code>PPB_Gamepad</code> interface, which |
| 22 | * provides access to gamepad devices. |
| 23 | */ |
| 24 | |
| 25 | |
| 26 | /** |
| 27 | * @addtogroup Structs |
| 28 | * @{ |
| 29 | */ |
| 30 | /** |
| 31 | * The data for one gamepad device. |
| 32 | */ |
| 33 | struct PP_GamepadSampleData { |
| 34 | /** |
| 35 | * Number of valid elements in the |axes| array. |
| 36 | */ |
| 37 | uint32_t axes_length; |
| 38 | /** |
| 39 | * Normalized values for the axes, indices valid up to |axes_length|-1. Axis |
| 40 | * values range from -1..1, and are in order of "importance". |
| 41 | */ |
| 42 | float axes[16]; |
| 43 | /** |
| 44 | * Number of valid elements in the |buttons| array. |
| 45 | */ |
| 46 | uint32_t buttons_length; |
| 47 | /** |
| 48 | * Normalized values for the buttons, indices valid up to |buttons_length| |
| 49 | * - 1. Button values range from 0..1, and are in order of importance. |
| 50 | */ |
| 51 | float buttons[32]; |
| 52 | /** |
| 53 | * Monotonically increasing value that is incremented when the data have |
| 54 | * been updated. |
| 55 | */ |
| 56 | double timestamp; |
| 57 | /** |
| 58 | * Identifier for the type of device/manufacturer. |
| 59 | */ |
| 60 | uint16_t id[128]; |
| 61 | /** |
| 62 | * Is there a gamepad connected at this index? If this is false, no other |
| 63 | * data in this structure is valid. |
| 64 | */ |
| 65 | PP_Bool connected; |
| 66 | /* Padding to make the struct the same size between 64 and 32. */ |
| 67 | char unused_pad_[4]; |
| 68 | }; |
| 69 | PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_GamepadSampleData, 472); |
| 70 | |
| 71 | /** |
| 72 | * The data for all gamepads connected to the system. |
| 73 | */ |
| 74 | struct PP_GamepadsSampleData { |
| 75 | /** |
| 76 | * Number of valid elements in the |items| array. |
| 77 | */ |
| 78 | uint32_t length; |
| 79 | /* Padding to make the struct the same size between 64 and 32. */ |
| 80 | char unused_pad_[4]; |
| 81 | /** |
| 82 | * Data for an individual gamepad device connected to the system. |
| 83 | */ |
| 84 | struct PP_GamepadSampleData items[4]; |
| 85 | }; |
| 86 | PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_GamepadsSampleData, 1896); |
| 87 | /** |
| 88 | * @} |
| 89 | */ |
| 90 | |
| 91 | /** |
| 92 | * @addtogroup Interfaces |
| 93 | * @{ |
| 94 | */ |
| 95 | /** |
| 96 | * The <code>PPB_Gamepad</code> interface allows retrieving data from |
| 97 | * gamepad/joystick devices that are connected to the system. |
| 98 | */ |
| 99 | struct PPB_Gamepad_1_0 { |
| 100 | /** |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 101 | * Samples the current state of the available gamepads. |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 102 | */ |
| 103 | void (*Sample)(PP_Instance instance, struct PP_GamepadsSampleData* data); |
| 104 | }; |
| 105 | |
| 106 | typedef struct PPB_Gamepad_1_0 PPB_Gamepad; |
| 107 | /** |
| 108 | * @} |
| 109 | */ |
| 110 | |
| 111 | #endif /* PPAPI_C_PPB_GAMEPAD_H_ */ |
| 112 | |