Generic-Platformer/Sprite.cpp at master · Kylerchrdsn/Generic-Platformer · GitHub

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
#include "Sprite.h"

//*****************************************************
// constructors and destructor                         *
//*****************************************************
Sprite::Sprite() : image(0), clip(0)
{
	setXPos(0);
	setYPos(0);
}

//*****************************************************
Sprite::Sprite(const int x, const int y) : image(0), clip(0)
{
	setXPos(x);
	setYPos(y);
}

//*****************************************************
Sprite::Sprite(const int x, const int y, const std::string filename) : image(0), clip(0)
{
	setXPos(x);
	setYPos(y);

	load(filename.c_str());
}

//*****************************************************
Sprite::Sprite(const int x, const int y, const std::string filename, const int alpha) : image(0), clip(0)
{
	setXPos(x);
	setYPos(y);

	load(filename.c_str());

	SDL_SetAlpha(getSurface(), SDL_SRCALPHA, alpha);
}

//*****************************************************
Sprite::~Sprite()
{
	SDL_FreeSurface(image);
	delete clip;
}

//*****************************************************
// setters                                            *
//*****************************************************
void Sprite::setXPos(int xPos)
{
    xPos_ = xPos;
}

//*****************************************************
void Sprite::setYPos(int yPos)
{
    yPos_ = yPos;
}

//*****************************************************
void Sprite::setSurface(SDL_Surface* const surface)
{
	if(surface != 0)
	{
		SDL_FreeSurface(image);

		image = surface;
	}
}

//*****************************************************
void Sprite::setClip(int x, int y, int w, int h)
{
    delete clip;

    clip = new SDL_Rect;

    clip->x = x;
    clip->y = y;
    clip->w = w;
    clip->h = h;
}

//*****************************************************
// load and show                                      *
//*****************************************************
bool Sprite::load(const std::string& filename)
{
	//temporary SDL surfaces
	SDL_Surface* loaded = 0;

	//delete old image
	delete image;

	loaded = IMG_Load(filename.c_str());

	if(loaded)
	{
		image = SDL_DisplayFormat(loaded);

		SDL_FreeSurface(loaded);

		if(image != 0)
		{
			Uint32 colorkey = SDL_MapRGB(image->format, 255, 0, 255);

			SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);

			return true;
		}
	}

	return false;
}

//*****************************************************
bool Sprite::load(const std::string& filename, int const r, int const g, int const b)
{
    	//temporary SDL surfaces
	SDL_Surface* loaded = 0;

	//delete old image
	delete image;

	loaded = IMG_Load(filename.c_str());

	if(loaded)
	{
		image = SDL_DisplayFormat(loaded);

		SDL_FreeSurface(loaded);

		if(image != 0)
		{
			Uint32 colorkey = SDL_MapRGB(image->format, r, g, b);

			SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);

			return true;
		}
	}

	return false;
}

//*****************************************************
void Sprite::show(SDL_Surface* const destination) const
{
	SDL_Rect position;

	position.x = getXPos();
	position.y = getYPos();

	SDL_BlitSurface(image, clip, destination, &position);
}