aboutsummaryrefslogtreecommitdiff
path: root/Minecraft.Client/MobSkinTextureProcessor.cpp
blob: dffb467a8b7e291137674f1b7694da0ba1850e09 (plain)
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
#include "stdafx.h"
#include "MobSkinTextureProcessor.h"

BufferedImage *MobSkinTextureProcessor::process(BufferedImage *in)
{
    if (in == NULL) return NULL;

    width = 64;
    height = 32;

    BufferedImage *out = new BufferedImage(width, height, BufferedImage::TYPE_INT_ARGB);
    Graphics *g = out->getGraphics();
    g->drawImage(in, 0, 0, NULL);
    g->dispose();

    pixels = out->getData();

    setNoAlpha(0, 0, 32, 16);
    setForceAlpha(32, 0, 64, 32);
    setNoAlpha(0, 16, 64, 32);
    bool hasAlpha = false;
    for (int x = 32; x < 64; x++)
        for (int y = 0; y < 16; y++)
		{
            int pix = pixels[x + y * 64];
            if (((pix >> 24) & 0xff) < 128) hasAlpha = true;
        }

    if (!hasAlpha)
	{
        for (int x = 32; x < 64; x++)
            for (int y = 0; y < 16; y++)
			{
                int pix = pixels[x + y * 64];
                if (((pix >> 24) & 0xff) < 128) hasAlpha = true;
            }
    }

    return out;
}

void MobSkinTextureProcessor::setForceAlpha(int x0, int y0, int x1, int y1)
{
    if (hasAlpha(x0, y0, x1, y1)) return;

    for (int x = x0; x < x1; x++)
        for (int y = y0; y < y1; y++)
		{
            pixels[x + y * width] &= 0x00ffffff;
        }
}

void MobSkinTextureProcessor::setNoAlpha(int x0, int y0, int x1, int y1)
{
    for (int x = x0; x < x1; x++)
        for (int y = y0; y < y1; y++)
		{
            pixels[x + y * width] |= 0xff000000;
        }
}

bool MobSkinTextureProcessor::hasAlpha(int x0, int y0, int x1, int y1)
{
    for (int x = x0; x < x1; x++)
        for (int y = y0; y < y1; y++)
		{
            int pix = pixels[x + y * width];
            if (((pix >> 24) & 0xff) < 128) return true;
        }
    return false;
}