... | ... |
@@ -41,9 +41,8 @@ putcolors(Ppu *p, Uint8 *addr) |
41 | 41 |
void |
42 | 42 |
putpixel(Ppu *p, Layer *layer, Uint16 x, Uint16 y, Uint8 color) |
43 | 43 |
{ |
44 |
- if(x >= p->width || y >= p->height) |
|
45 |
- return; |
|
46 |
- layer->pixels[y * p->width + x] = layer->colors[color]; |
|
44 |
+ if(x < p->width && y < p->height) |
|
45 |
+ layer->pixels[y * p->width + x] = layer->colors[color]; |
|
47 | 46 |
} |
48 | 47 |
|
49 | 48 |
void |
... | ... |
@@ -52,15 +51,13 @@ puticn(Ppu *p, Layer *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uin |
52 | 51 |
Uint16 v, h; |
53 | 52 |
for(v = 0; v < 8; v++) |
54 | 53 |
for(h = 0; h < 8; h++) { |
55 |
- Uint8 ch1 = ((sprite[v] >> (7 - h)) & 0x1); |
|
56 |
- Uint16 px = x + (flipx ? 7 - h : h); |
|
57 |
- Uint16 py = y + (flipy ? 7 - v : v); |
|
58 |
- if(!(ch1 || color % 0x5)) |
|
59 |
- continue; |
|
60 |
- if(px < p->width && py < p->height) { |
|
61 |
- Uint8 pc = ch1 ? (color & 0x3) : (color >> 0x2); |
|
62 |
- layer->pixels[py * p->width + px] = layer->colors[pc]; |
|
63 |
- } |
|
54 |
+ Uint8 ch1 = (sprite[v] >> (7 - h)) & 0x1; |
|
55 |
+ if(ch1 == 1 || (color != 0x05 && color != 0x0a && color != 0x0f)) |
|
56 |
+ putpixel(p, |
|
57 |
+ layer, |
|
58 |
+ x + (flipx ? 7 - h : h), |
|
59 |
+ y + (flipy ? 7 - v : v), |
|
60 |
+ ch1 ? color % 4 : color / 4); |
|
64 | 61 |
} |
65 | 62 |
} |
66 | 63 |
|
... | ... |
@@ -72,12 +69,11 @@ putchr(Ppu *p, Layer *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uin |
72 | 69 |
for(h = 0; h < 8; h++) { |
73 | 70 |
Uint8 ch1 = ((sprite[v] >> (7 - h)) & 0x1) * color; |
74 | 71 |
Uint8 ch2 = ((sprite[v + 8] >> (7 - h)) & 0x1) * color; |
75 |
- Uint16 px = x + (flipx ? 7 - h : h); |
|
76 |
- Uint16 py = y + (flipy ? 7 - v : v); |
|
77 |
- if(px < p->width && py < p->height) { |
|
78 |
- Uint8 pc = ((ch1 + ch2 * 2) + color / 4) & 0x3; |
|
79 |
- layer->pixels[py * p->width + px] = layer->colors[pc]; |
|
80 |
- } |
|
72 |
+ putpixel(p, |
|
73 |
+ layer, |
|
74 |
+ x + (flipx ? 7 - h : h), |
|
75 |
+ y + (flipy ? 7 - v : v), |
|
76 |
+ ((ch1 + ch2 * 2) + color / 4) & 0x3); |
|
81 | 77 |
} |
82 | 78 |
} |
83 | 79 |
|
... | ... |
@@ -97,3 +93,12 @@ initppu(Ppu *p, Uint8 hor, Uint8 ver) |
97 | 93 |
clear(p); |
98 | 94 |
return 1; |
99 | 95 |
} |
96 |
+; |
|
97 |
+ p->height = 8 * p->ver; |
|
98 |
+ if(!(p->bg.pixels = malloc(p->width * p->height * sizeof(Uint32)))) |
|
99 |
+ return 0; |
|
100 |
+ if(!(p->fg.pixels = malloc(p->width * p->height * sizeof(Uint32)))) |
|
101 |
+ return 0; |
|
102 |
+ clear(p); |
|
103 |
+ return 1; |
|
104 |
+} |