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
|
/* *******************************************************************
* Includes
* ******************************************************************/
#include "Sprite.h"
#include "System.h"
/* *******************************************************************
* Defines
* ******************************************************************/
/* *******************************************************************
* Types definition
* ******************************************************************/
/* *******************************************************************
* Global variables definition
* ******************************************************************/
const Camera* _cam;
/* *******************************************************************
* Local variables definition
* ******************************************************************/
/* *******************************************************************
* Local prototypes declaration
* ******************************************************************/
/* *******************************************************************
* Functions definition
* ******************************************************************/
/*****************************************************************//**
*
* \brief Constructor for Sprite class.
*
* \param pu8SprData
* Pointer to raw sprite data.
*
* \param _followCam
* Sprite is moved by camera. Default value is true.
*
* \param u8Colour
* Sprite colour. Default value is BLACK.
*
* \param rotation
* Sprite rotation. Default value is NOROT.
*
*********************************************************************/
Sprite::Sprite(const uint8_t* const pu8SprData, const bool followCam, const uint8_t u8Colour, const uint8_t rotation) :
_pu8SprData(pu8SprData),
_followCam(followCam),
_colour(u8Colour),
_rotation(rotation),
_x(0),
_y(0)
{
}
/*****************************************************************//**
*
* \brief This function draws a \ref Sprite object on the screen.
*
* \remarks If \ref Sprite object must be followed by a \ref Camera
* object, X and Y coordinates are automatically adjusted.
*
*********************************************************************/
void Sprite::draw(void)
{
gb.display.setColor(_colour, WHITE);
if (_cam != NULL)
{
const int16_t x = _followCam ? _cam->getX(_x) : (int16_t)_x;
const int16_t y = _followCam ? _cam->getY(_y) : (int16_t)_y;
if (_pu8SprData != NULL)
{
gb.display.drawBitmap((int8_t)x, (int8_t)y, _pu8SprData);
}
else
{
/* Undefined sprite data. */
}
}
else
{
/* Error: uninitialized camera. */
}
}
uint8_t Sprite::getWidth(const uint8_t* const pu8SprData)
{
enum
{
WIDTH_DATA_INDEX = 0
};
/* Retrieve unit width from sprite data. */
const uint8_t w = pgm_read_byte(&pu8SprData[WIDTH_DATA_INDEX]);
/* Return retrieved width. */
return w;
}
uint8_t Sprite::getHeight(const uint8_t* const pu8SprData)
{
enum
{
HEIGHT_DATA_INDEX = 1
};
/* Retrieve unit height from sprite data. */
const uint8_t h = pgm_read_byte(&pu8SprData[HEIGHT_DATA_INDEX]);
/* Return retrieved height. */
return h;
}
/*****************************************************************//**
*
* \brief Reportedly, this function updates X/Y coordinates for
* a Sprite object.
*
* \param x
* X position, relative to screen coordinates origin.
*
* \param y
* Y position, relative to screen coordinates origin.
*
*********************************************************************/
void Sprite::setPos(const uint8_t x, const uint8_t y)
{
/* Update coords according to input parameters. */
_x = x;
_y = y;
}
|
