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[mouse] A real mouse cursor

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This commit is contained in:
Kevin Lange 2011-10-30 23:19:14 -05:00
parent 88b31af4b4
commit f2b745faa9
3 changed files with 17 additions and 15 deletions
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initrd/usr/share/arrow.bmp Normal file
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Width:  |  Height:  |  Size: 6.8 KiB

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initrd/usr/share/arrow_alpha.bmp Normal file
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32
kernel/core/mouse.c
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@ -13,7 +13,7 @@ extern uint32_t * bochs_vid_memory;
#define GFX_W 1024
#define GFX_H 768
#define GFX_B 4
#define GFX(x,y) bochs_vid_memory[GFX_W * (y) + (x)]
#define GFX(x,y) bochs_vid_memory[GFX_W * (y + bochs_current_scroll()) + (x)]
#define SPRITE(sprite,x,y) sprite->bitmap[sprite->width * (y) + (x)]
#define SMASKS(sprite,x,y) sprite->masks[sprite->width * (y) + (x)]
#define _RED(color) ((color & 0x00FF0000) / 0x10000)
@ -30,7 +30,7 @@ typedef struct sprite {
uint8_t alpha;
} sprite_t;
sprite_t * sprites[3];
sprite_t * cursor;
uint32_t rgb(uint8_t r, uint8_t g, uint8_t b) {
return (r * 0x10000) + (g * 0x100) + (b * 0x1);
@ -48,8 +48,10 @@ void draw_sprite(sprite_t * sprite, int16_t x, int16_t y) {
for (int16_t _y = 0; _y < sprite->height; ++_y) {
for (int16_t _x = 0; _x < sprite->width; ++_x) {
if (sprite->alpha) {
if (!GUARD(x + _x, y + _y))
GFX(x + _x, y + _y) = alpha_blend(GFX(x + _x, y + _y), SPRITE(sprite, _x, _y), SMASKS(sprite, _x, _y));
if (SMASKS(sprite,_x,_y) != sprite->blank) {
if (!GUARD(x + _x, y + _y))
GFX(x + _x, y + _y) = alpha_blend(GFX(x + _x, y + _y), SPRITE(sprite, _x, _y), SMASKS(sprite, _x, _y));
}
} else {
if (SPRITE(sprite,_x,_y) != sprite->blank) {
if (!GUARD(x + _x, y + _y))
@ -109,18 +111,18 @@ void load_sprite(sprite_t * sprite, char * filename) {
}
free(bufferb);
}
void init_sprite(int i, char * filename, char * alpha) {
sprites[i] = malloc(sizeof(sprite_t));
load_sprite(sprites[i], filename);
void init_cursor(char * filename, char * alpha) {
cursor = malloc(sizeof(sprite_t));
load_sprite(cursor, filename);
sprite_t alpha_tmp;
if (alpha) {
sprites[i]->alpha = 1;
cursor->alpha = 1;
load_sprite(&alpha_tmp, alpha);
sprites[i]->masks = alpha_tmp.bitmap;
cursor->masks = alpha_tmp.bitmap;
} else {
sprites[i]->alpha = 0;
cursor->alpha = 0;
}
sprites[i]->blank = 0x0;
cursor->blank = 0x0;
}
@ -157,11 +159,13 @@ void mouse_handler(struct regs *r) {
bochs_redraw_cell(i,j);
}
}
/*
uint8_t sprite = 0;
if ((mouse_byte[0] & 0x01) == 0x01) sprite = 1;
if ((mouse_byte[0] & 0x02) == 0x02) sprite = 2;
*/
//bochs_fill_rect(b_x * 8, b_y * 12,8,12,color);
draw_sprite(sprites[sprite], actual_x / 10 - 32, 767 - actual_y / 10 - 32);
draw_sprite(cursor, actual_x / 10 - 24, 767 - actual_y / 10 - 24);
break;
}
}
@ -213,8 +217,6 @@ void mouse_install() {
mouse_read();
mouse_write(0xF4);
mouse_read();
init_sprite(0, "/etc/game/remilia.bmp", NULL);
init_sprite(1, "/etc/game/remilia_l.bmp", NULL);
init_sprite(2, "/etc/game/remilia_r.bmp", NULL);
init_cursor("/usr/share/arrow.bmp", "/usr/share/arrow_alpha.bmp");
irq_install_handler(12, mouse_handler);
}