316 lines
11 KiB
Rust
316 lines
11 KiB
Rust
use std::sync::Arc;
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use egui::{
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Align, CentralPanel, Checkbox, Color32, ComboBox, Context, Image, ScrollArea, Slider, TextEdit,
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TextureOptions, Ui, ViewportBuilder, ViewportId,
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};
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use egui_extras::{Column, Size, StripBuilder, TableBuilder};
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use crate::{
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emulator::SimId,
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images::{ImageBuffer, ImageParams, ImageProcessor, ImageRenderer, ImageTextureLoader},
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memory::{MemoryClient, MemoryView},
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window::{
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utils::{NumberEdit, UiExt},
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AppWindow,
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},
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};
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use super::utils::{self, CellData, CharacterGrid};
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pub struct BgMapWindow {
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sim_id: SimId,
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loader: Arc<ImageTextureLoader>,
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memory: Arc<MemoryClient>,
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bgmaps: MemoryView,
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cell_index: usize,
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generic_palette: bool,
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params: ImageParams<BgMapParams>,
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scale: f32,
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show_grid: bool,
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}
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impl BgMapWindow {
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pub fn new(sim_id: SimId, memory: &Arc<MemoryClient>, images: &mut ImageProcessor) -> Self {
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let renderer = BgMapRenderer::new(sim_id, memory);
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let ([cell, bgmap], params) = images.add(renderer, BgMapParams::default());
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let loader =
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ImageTextureLoader::new([("vip://cell".into(), cell), ("vip://bgmap".into(), bgmap)]);
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Self {
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sim_id,
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loader: Arc::new(loader),
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memory: memory.clone(),
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bgmaps: memory.watch(sim_id, 0x00020000, 0x20000),
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cell_index: params.cell_index,
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generic_palette: params.generic_palette,
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params,
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scale: 1.0,
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show_grid: false,
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}
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}
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fn show_form(&mut self, ui: &mut Ui) {
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let row_height = ui.spacing().interact_size.y;
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ui.vertical(|ui| {
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TableBuilder::new(ui)
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.column(Column::auto())
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.column(Column::remainder())
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.body(|mut body| {
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Map");
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});
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row.col(|ui| {
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let mut bgmap_index = self.cell_index / 4096;
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ui.add(NumberEdit::new(&mut bgmap_index).range(0..16));
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if bgmap_index != self.cell_index / 4096 {
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self.cell_index = (bgmap_index * 4096) + (self.cell_index % 4096);
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}
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});
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});
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Cell");
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});
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row.col(|ui| {
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ui.add(NumberEdit::new(&mut self.cell_index).range(0..16 * 4096));
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});
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});
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Address");
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});
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row.col(|ui| {
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let address = 0x00020000 + (self.cell_index * 2);
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let mut address_str = format!("{address:08x}");
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ui.add_enabled(
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false,
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TextEdit::singleline(&mut address_str).horizontal_align(Align::Max),
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);
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});
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});
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});
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let image = Image::new("vip://cell")
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.maintain_aspect_ratio(true)
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.texture_options(TextureOptions::NEAREST);
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ui.add(image);
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ui.section("Cell", |ui| {
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let mut data = self.bgmaps.borrow().read::<u16>(self.cell_index);
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let mut cell = CellData::parse(data);
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TableBuilder::new(ui)
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.column(Column::remainder())
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.column(Column::remainder())
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.body(|mut body| {
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Character");
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});
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row.col(|ui| {
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ui.add(NumberEdit::new(&mut cell.char_index).range(0..2048));
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});
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});
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Palette");
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});
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row.col(|ui| {
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ComboBox::from_id_salt("palette")
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.selected_text(format!("BG {}", cell.palette_index))
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.width(ui.available_width())
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.show_ui(ui, |ui| {
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for palette in 0..4 {
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ui.selectable_value(
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&mut cell.palette_index,
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palette,
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format!("BG {palette}"),
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);
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}
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});
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});
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});
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.add(Checkbox::new(&mut cell.hflip, "H-flip"));
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});
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row.col(|ui| {
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ui.add(Checkbox::new(&mut cell.vflip, "V-flip"));
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});
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});
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});
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if cell.update(&mut data) {
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let address = 0x00020000 + (self.cell_index * 2);
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self.memory.write(self.sim_id, address as u32, &data);
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}
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});
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ui.section("Display", |ui| {
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ui.horizontal(|ui| {
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ui.label("Scale");
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ui.spacing_mut().slider_width = ui.available_width();
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let slider = Slider::new(&mut self.scale, 1.0..=10.0)
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.step_by(1.0)
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.show_value(false);
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ui.add(slider);
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});
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ui.checkbox(&mut self.show_grid, "Show grid");
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ui.checkbox(&mut self.generic_palette, "Generic palette");
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});
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});
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self.params.write(BgMapParams {
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cell_index: self.cell_index,
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generic_palette: self.generic_palette,
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});
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}
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fn show_bgmap(&mut self, ui: &mut Ui) {
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let grid = CharacterGrid::new("vip://bgmap")
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.with_scale(self.scale)
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.with_grid(self.show_grid)
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.with_selected(self.cell_index % 4096);
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if let Some(selected) = grid.show(ui) {
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self.cell_index = (self.cell_index / 4096 * 4096) + selected;
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}
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}
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}
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impl AppWindow for BgMapWindow {
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fn viewport_id(&self) -> ViewportId {
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ViewportId::from_hash_of(format!("bgmap-{}", self.sim_id))
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}
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fn sim_id(&self) -> SimId {
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self.sim_id
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}
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fn initial_viewport(&self) -> ViewportBuilder {
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ViewportBuilder::default()
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.with_title(format!("BG Map Data ({})", self.sim_id))
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.with_inner_size((640.0, 480.0))
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}
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fn on_init(&mut self, ctx: &Context, _render_state: &egui_wgpu::RenderState) {
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ctx.add_texture_loader(self.loader.clone());
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}
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fn show(&mut self, ctx: &Context) {
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CentralPanel::default().show(ctx, |ui| {
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ui.horizontal_top(|ui| {
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StripBuilder::new(ui)
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.size(Size::relative(0.3).at_most(200.0))
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.size(Size::remainder())
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.horizontal(|mut strip| {
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strip.cell(|ui| {
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ScrollArea::vertical().show(ui, |ui| self.show_form(ui));
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});
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strip.cell(|ui| {
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ScrollArea::both().show(ui, |ui| self.show_bgmap(ui));
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});
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})
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});
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});
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}
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}
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#[derive(Default, Clone, PartialEq, Eq)]
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struct BgMapParams {
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cell_index: usize,
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generic_palette: bool,
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}
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struct BgMapRenderer {
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chardata: MemoryView,
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bgmaps: MemoryView,
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brightness: MemoryView,
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palettes: MemoryView,
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}
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impl BgMapRenderer {
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pub fn new(sim_id: SimId, memory: &MemoryClient) -> Self {
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Self {
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chardata: memory.watch(sim_id, 0x00078000, 0x8000),
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bgmaps: memory.watch(sim_id, 0x00020000, 0x20000),
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brightness: memory.watch(sim_id, 0x0005f824, 8),
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palettes: memory.watch(sim_id, 0x0005f860, 16),
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}
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}
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fn render_bgmap(&self, image: &mut ImageBuffer, bgmap_index: usize, generic_palette: bool) {
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let chardata = self.chardata.borrow();
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let bgmaps = self.bgmaps.borrow();
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let brightness = self.brightness.borrow();
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let palettes = self.palettes.borrow();
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let brts = brightness.read::<[u8; 8]>(0);
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let colors = if generic_palette {
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[utils::generic_palette(Color32::RED); 4]
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} else {
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[0, 2, 4, 6].map(|i| utils::palette_colors(palettes.read(i), &brts, Color32::RED))
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};
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for (i, cell) in bgmaps.range::<u16>(bgmap_index * 4096, 4096).enumerate() {
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let CellData {
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char_index,
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vflip,
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hflip,
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palette_index,
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} = CellData::parse(cell);
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let char = chardata.read::<[u16; 8]>(char_index);
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let palette = &colors[palette_index];
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for row in 0..8 {
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let y = row + (i / 64) * 8;
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for (col, pixel) in utils::read_char_row(&char, hflip, vflip, row).enumerate() {
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let x = col + (i % 64) * 8;
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image.write((x, y), palette[pixel as usize]);
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}
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}
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}
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}
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fn render_bgmap_cell(&self, image: &mut ImageBuffer, index: usize, generic_palette: bool) {
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let chardata = self.chardata.borrow();
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let bgmaps = self.bgmaps.borrow();
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let brightness = self.brightness.borrow();
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let palettes = self.palettes.borrow();
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let brts = brightness.read::<[u8; 8]>(0);
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let cell = bgmaps.read::<u16>(index);
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let CellData {
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char_index,
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vflip,
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hflip,
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palette_index,
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} = CellData::parse(cell);
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let char = chardata.read::<[u16; 8]>(char_index);
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let palette = if generic_palette {
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utils::generic_palette(Color32::RED)
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} else {
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utils::palette_colors(palettes.read(palette_index * 2), &brts, Color32::RED)
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};
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for row in 0..8 {
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for (col, pixel) in utils::read_char_row(&char, hflip, vflip, row).enumerate() {
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image.write((col, row), palette[pixel as usize]);
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}
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}
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}
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}
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impl ImageRenderer<2> for BgMapRenderer {
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type Params = BgMapParams;
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fn sizes(&self) -> [[usize; 2]; 2] {
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[[8, 8], [8 * 64, 8 * 64]]
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}
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fn render(&mut self, params: &Self::Params, images: &mut [ImageBuffer; 2]) {
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self.render_bgmap_cell(&mut images[0], params.cell_index, params.generic_palette);
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self.render_bgmap(
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&mut images[1],
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params.cell_index / 4096,
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params.generic_palette,
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);
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}
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}
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