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tile window improvements

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This commit is contained in:
Alex Janka 2023-04-25 18:34:56 +10:00
parent f1e5960484
commit 3b853408f7
1 changed files with 17 additions and 34 deletions
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51
lib/src/processor/memory/mmio/gpu/tile_window.rs
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@ -1,6 +1,6 @@
use crate::{
connect::Renderer,
processor::memory::mmio::gpu::{Palette, TiledataArea, TILE_WINDOW_HEIGHT, TILE_WINDOW_WIDTH},
processor::memory::mmio::gpu::{Palette, TILE_WINDOW_HEIGHT, TILE_WINDOW_WIDTH},
util::get_bit,
};
@ -61,25 +61,8 @@ where
current_width * TILE_WINDOW_HEIGHT
];
}
for tile_y in 0..16 {
self.draw_row(
tile_y,
tile_y as usize,
TiledataArea::D8000,
palette,
memory,
is_cgb_mode,
);
}
for tile_y in 0..8 {
self.draw_row(
tile_y,
(tile_y as usize) + 16,
TiledataArea::D9000,
palette,
memory,
is_cgb_mode,
);
for (tile_y, data_begin) in (0x8000..0xA000).step_by(0x10 * 16).enumerate() {
self.draw_row(tile_y, data_begin, palette, memory, is_cgb_mode);
}
self.sprite_renderer.display(&self.sprite_buffer);
@ -87,9 +70,8 @@ where
fn draw_row(
&mut self,
tile_y: u8,
display_y: usize,
area: TiledataArea,
data_begin: u16,
palette: Palette,
memory: &Vram,
is_cgb_mode: bool,
@ -100,9 +82,8 @@ where
TILE_WINDOW_WIDTH
};
self.draw_row_from_bank(
tile_y,
display_y,
area,
data_begin,
palette,
memory,
is_cgb_mode,
@ -112,9 +93,8 @@ where
);
if is_cgb_mode {
self.draw_row_from_bank(
tile_y,
display_y,
area,
data_begin,
palette,
memory,
is_cgb_mode,
@ -128,9 +108,8 @@ where
#[allow(clippy::too_many_arguments)]
fn draw_row_from_bank(
&mut self,
tile_y: u8,
display_y: usize,
area: TiledataArea,
data_begin: u16,
palette: Palette,
memory: &Vram,
is_cgb_mode: bool,
@ -139,20 +118,22 @@ where
line_width: usize,
) {
for tile_x in 0..16 {
let tile_num = (tile_y * 16) + tile_x;
let data_begin = area.get_addr(tile_num);
let attributes = BgAttributes {
tile_bank: bank,
..Default::default()
};
let data_begin = data_begin + ((tile_x * 16) as u16);
for px_y in 0..8_u16 {
let lsbs = memory
.get_with_bank((data_begin + (px_y * 2)).unwrap(), attributes.tile_bank)
.get_with_bank(
(data_begin + (px_y * 2)).try_into().unwrap(),
attributes.tile_bank,
)
.unwrap();
let msbs = memory
.get_with_bank(
(data_begin + (1 + (px_y * 2))).unwrap(),
(data_begin + (1 + (px_y * 2))).try_into().unwrap(),
attributes.tile_bank,
)
.unwrap();
@ -167,8 +148,10 @@ where
palette.map_bits(lsb, msb).0
};
self.sprite_buffer[offset + real_px_x + (real_px_y * line_width)] =
colour.rgb_bytes(None, is_cgb_mode).into();
let addr = offset + real_px_x + (real_px_y * line_width);
if addr < self.sprite_buffer.len() {
self.sprite_buffer[addr] = colour.rgb_bytes(None, is_cgb_mode).into();
}
}
}
}