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

/*
* Rust-SFML - Copyright (c) 2013 Letang Jeremy.
*
* The original software, SFML library, is provided by Laurent Gomila.
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim
*    that you wrote the original software. If you use this software in a product,
*    an acknowledgment in the product documentation would be appreciated but is
*    not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
*    misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/

//! Represents a time value.
//!
//! Time encapsulates a time value in a flexible way.

pub use libc::{c_long, c_float, c_int};

use std::ops::{Add, Sub, Mul, Div};
use std::cmp::Ordering;

use traits::Wrappable;

use csfml_system_sys as ffi;

/// Represents a time value.
///
/// Time encapsulates a time value in a flexible way.
#[derive(Copy, Clone)]
pub struct Time {
    time: ffi::sfTime
}

impl Time {
    /// Construct a time value from a number of seconds
    pub fn with_seconds(seconds: f32) -> Time {
        Time {
            time: unsafe { ffi::sfSeconds(seconds as c_float) }
        }
    }

    /// Construct a time value from a number of milliseconds
    pub fn with_milliseconds(milliseconds: i32) -> Time {
        Time {
            time: unsafe { ffi::sfMilliseconds(milliseconds as c_int) }
        }
    }

    /// Construct a time value from a number of microseconds
    pub fn with_microseconds(microseconds: i64) -> Time {
        Time {
            time: unsafe { ffi::sfMicroseconds(microseconds) }
        }
    }

    /// Return a time value as a number of seconds
    pub fn as_seconds(&self) -> f32 {
        unsafe {
            ffi::sfTime_asSeconds(self.time)
        }
    }

    /// Return a time value as a number of milliseconds
    pub fn as_milliseconds(&self) -> i32 {
        unsafe {
            ffi::sfTime_asMilliseconds(self.time)
        }
    }

    /// Return a time value as a number of microseconds
    pub fn as_microseconds(&self) -> i64 {
        unsafe {
            ffi::sfTime_asMicroseconds(self.time)
        }
    }
}

impl PartialEq for Time {
    fn eq(&self, other: &Time) -> bool {
        self.as_microseconds() == other.as_microseconds()
    }

    fn ne(&self, other: &Time) -> bool {
        self.as_microseconds() != other.as_microseconds()
    }
}

impl PartialOrd for Time {
    fn partial_cmp(&self, other: &Time) -> Option<Ordering> {
        self.as_microseconds().partial_cmp(&other.as_microseconds())
    }
}

impl Add for Time {
    type Output = Time;

    fn add(self, other: Time) -> Time {
         Time::with_microseconds(self.as_microseconds() + other.as_microseconds())
    }
}

impl Sub for Time {
    type Output = Time;

    fn sub(self, other: Time) -> Time {
         Time::with_microseconds(self.as_microseconds() - other.as_microseconds())
    }
}

impl Mul for Time {
    type Output = Time;

    fn mul(self, other: Time) -> Time {
         Time::with_microseconds(self.as_microseconds() * other.as_microseconds())
    }
}

impl Div for Time {
    type Output = Time;

    fn div(self, other: Time) -> Time {
         Time::with_microseconds(self.as_microseconds() / other.as_microseconds())
    }
}

impl Wrappable<ffi::sfTime> for Time {
    fn wrap(time: ffi::sfTime) -> Time {
        Time {
            time: time
        }
    }

    fn unwrap(&self) -> ffi::sfTime {
        self.time
    }
}