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
|
#include "texture.h"
Texture *Texture::load(const char *id, CL_ResourceManager *manager)
{
return (Texture *)CL_Texture::load(id, manager);
}
Texture::~Texture()
{
}
void Texture::put_screen(
int x,
int y,
float rotation,
float scale,
RGBA *rgba,
int spr_no)
{
bind();
int width = get_width();
int height = get_height();
int texture_width = 1;
int texture_height = 1;
while (texture_width < width) texture_width *= 2;
while (texture_height < height * get_num_frames()) texture_height *= 2;
float h1 = ((float) height * spr_no) / texture_height;
float h2 = ((float) height * (spr_no + 1)) / texture_height;
float w = (float)width / texture_width;
glPushMatrix();
glTranslatef((float)x, (float)y, 0.0f);
glRotatef(rotation, 0, 0, 1);
glScalef(scale, scale, 1.0f);
glTranslatef(-width / 2.0f, -height / 2.0f, 0.0f);
if(rgba) {
glBegin(GL_TRIANGLE_STRIP);
glColor4fv((float *)&(rgba[0])); glTexCoord2f(0.0, h1); glVertex2i(0, 0);
glColor4fv((float *)&(rgba[1])); glTexCoord2f( w, h1); glVertex2i(width, 0);
glColor4fv((float *)&(rgba[2])); glTexCoord2f(0.0, h2); glVertex2i(0, height);
glColor4fv((float *)&(rgba[3])); glTexCoord2f( w, h2); glVertex2i(width, height);
glEnd();
}
else {
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, h1); glVertex2i(0, 0);
glTexCoord2f( w, h1); glVertex2i(width, 0);
glTexCoord2f(0.0, h2); glVertex2i(0, height);
glTexCoord2f( w, h2); glVertex2i(width, height);
glEnd();
}
glPopMatrix();
}
|
