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112 lines
2.7 KiB
112 lines
2.7 KiB
/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* From ppb_gamepad.idl modified Tue Apr 16 09:04:34 2013. */
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#ifndef PPAPI_C_PPB_GAMEPAD_H_
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#define PPAPI_C_PPB_GAMEPAD_H_
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#include "ppapi/c/pp_bool.h"
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#include "ppapi/c/pp_instance.h"
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#include "ppapi/c/pp_macros.h"
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#include "ppapi/c/pp_stdint.h"
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#define PPB_GAMEPAD_INTERFACE_1_0 "PPB_Gamepad;1.0"
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#define PPB_GAMEPAD_INTERFACE PPB_GAMEPAD_INTERFACE_1_0
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/**
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* @file
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* This file defines the <code>PPB_Gamepad</code> interface, which
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* provides access to gamepad devices.
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*/
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/**
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* @addtogroup Structs
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* @{
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*/
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/**
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* The data for one gamepad device.
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*/
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struct PP_GamepadSampleData {
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/**
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* Number of valid elements in the |axes| array.
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*/
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uint32_t axes_length;
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/**
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* Normalized values for the axes, indices valid up to |axes_length|-1. Axis
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* values range from -1..1, and are in order of "importance".
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*/
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float axes[16];
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/**
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* Number of valid elements in the |buttons| array.
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*/
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uint32_t buttons_length;
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/**
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* Normalized values for the buttons, indices valid up to |buttons_length|
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* - 1. Button values range from 0..1, and are in order of importance.
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*/
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float buttons[32];
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/**
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* Monotonically increasing value that is incremented when the data have
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* been updated.
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*/
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double timestamp;
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/**
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* Identifier for the type of device/manufacturer.
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*/
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uint16_t id[128];
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/**
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* Is there a gamepad connected at this index? If this is false, no other
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* data in this structure is valid.
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*/
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PP_Bool connected;
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/* Padding to make the struct the same size between 64 and 32. */
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char unused_pad_[4];
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};
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PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_GamepadSampleData, 472);
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/**
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* The data for all gamepads connected to the system.
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*/
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struct PP_GamepadsSampleData {
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/**
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* Number of valid elements in the |items| array.
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*/
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uint32_t length;
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/* Padding to make the struct the same size between 64 and 32. */
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char unused_pad_[4];
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/**
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* Data for an individual gamepad device connected to the system.
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*/
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struct PP_GamepadSampleData items[4];
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};
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PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_GamepadsSampleData, 1896);
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/**
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* @}
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*/
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/**
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* @addtogroup Interfaces
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* @{
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*/
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/**
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* The <code>PPB_Gamepad</code> interface allows retrieving data from
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* gamepad/joystick devices that are connected to the system.
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*/
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struct PPB_Gamepad_1_0 {
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/**
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* Samples the current state of the available gamepads.
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*/
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void (*Sample)(PP_Instance instance, struct PP_GamepadsSampleData* data);
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};
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typedef struct PPB_Gamepad_1_0 PPB_Gamepad;
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/**
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* @}
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*/
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#endif /* PPAPI_C_PPB_GAMEPAD_H_ */
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