2025-02-05 04:23:06 +00:00
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use std::{fmt::Display, sync::Arc};
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2025-02-02 20:16:11 +00:00
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use egui::{
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2025-02-05 04:23:06 +00:00
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Align, CentralPanel, Color32, ColorImage, ComboBox, Context, Frame, Image, RichText,
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ScrollArea, Sense, Slider, TextEdit, TextureOptions, Ui, UiBuilder, Vec2, ViewportBuilder,
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ViewportId,
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2025-02-02 20:16:11 +00:00
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};
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use egui_extras::{Column, Size, StripBuilder, TableBuilder};
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2025-02-05 04:23:06 +00:00
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use serde::{Deserialize, Serialize};
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2025-02-02 20:16:11 +00:00
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use crate::{
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emulator::SimId,
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memory::{MemoryMonitor, MemoryView},
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vram::{VramImageLoader, VramResource as _, VramTextureLoader},
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2025-02-02 23:33:59 +00:00
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window::AppWindow,
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2025-02-02 20:16:11 +00:00
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};
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2025-02-05 04:23:06 +00:00
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use super::utils;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
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pub enum VramPalette {
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Generic,
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Bg0,
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Bg1,
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Bg2,
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Bg3,
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Obj0,
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Obj1,
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Obj2,
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Obj3,
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}
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impl VramPalette {
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pub const fn values() -> [VramPalette; 9] {
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[
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Self::Generic,
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Self::Bg0,
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Self::Bg1,
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Self::Bg2,
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Self::Bg3,
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Self::Obj0,
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Self::Obj1,
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Self::Obj2,
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Self::Obj3,
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]
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}
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pub const fn offset(self) -> Option<usize> {
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match self {
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Self::Generic => None,
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Self::Bg0 => Some(0),
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Self::Bg1 => Some(2),
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Self::Bg2 => Some(4),
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Self::Bg3 => Some(6),
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Self::Obj0 => Some(8),
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Self::Obj1 => Some(10),
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Self::Obj2 => Some(12),
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Self::Obj3 => Some(14),
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}
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}
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}
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impl Display for VramPalette {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::Generic => f.write_str("Generic"),
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Self::Bg0 => f.write_str("BG 0"),
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Self::Bg1 => f.write_str("BG 1"),
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Self::Bg2 => f.write_str("BG 2"),
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Self::Bg3 => f.write_str("BG 3"),
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Self::Obj0 => f.write_str("OBJ 0"),
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Self::Obj1 => f.write_str("OBJ 1"),
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Self::Obj2 => f.write_str("OBJ 2"),
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Self::Obj3 => f.write_str("OBJ 3"),
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}
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}
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}
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2025-02-02 20:16:11 +00:00
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pub struct CharacterDataWindow {
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sim_id: SimId,
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loader: Option<CharDataLoader>,
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brightness: MemoryView,
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palettes: MemoryView,
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palette: VramPalette,
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index: usize,
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index_str: String,
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scale: f32,
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show_grid: bool,
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}
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impl CharacterDataWindow {
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pub fn new(sim_id: SimId, memory: &mut MemoryMonitor) -> Self {
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Self {
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sim_id,
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loader: Some(CharDataLoader::new(sim_id, memory)),
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brightness: memory.view(sim_id, 0x0005f824, 8),
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palettes: memory.view(sim_id, 0x0005f860, 16),
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palette: VramPalette::Generic,
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index: 0,
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index_str: "0".into(),
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scale: 4.0,
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show_grid: true,
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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("Index");
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});
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row.col(|ui| {
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let res = ui.add(
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TextEdit::singleline(&mut self.index_str)
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.horizontal_align(Align::Max),
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);
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if res.changed() {
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if let Some(index) =
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self.index_str.parse().ok().filter(|id| *id < 2048)
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{
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self.index = index;
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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.label("Address");
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});
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row.col(|ui| {
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let address = match self.index {
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0x000..0x200 => 0x00060000 + self.index,
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0x200..0x400 => 0x000e0000 + (self.index - 0x200),
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0x400..0x600 => 0x00160000 + (self.index - 0x400),
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0x600..0x800 => 0x001e0000 + (self.index - 0x600),
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_ => unreachable!("can't happen"),
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};
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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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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.label("Mirror");
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});
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row.col(|ui| {
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let mirror = 0x00078000 + (self.index * 16);
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let mut mirror_str = format!("{mirror:08x}");
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ui.add_enabled(
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false,
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TextEdit::singleline(&mut mirror_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 resource = CharDataResource::Character {
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palette: self.palette,
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index: self.index,
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};
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let image = Image::new(resource.to_uri())
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.maintain_aspect_ratio(true)
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.tint(Color32::RED)
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.texture_options(TextureOptions::NEAREST);
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ui.add(image);
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ui.section("Colors", |ui| {
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ui.horizontal(|ui| {
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ui.label("Palette");
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ComboBox::from_id_salt("palette")
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.selected_text(self.palette.to_string())
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.width(ui.available_width())
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.show_ui(ui, |ui| {
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for palette in VramPalette::values() {
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ui.selectable_value(
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&mut self.palette,
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palette,
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palette.to_string(),
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);
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}
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});
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});
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TableBuilder::new(ui)
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.columns(Column::remainder(), 4)
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.body(|mut body| {
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let palette = self.load_palette_colors();
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body.row(30.0, |mut row| {
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for color in palette {
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row.col(|ui| {
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let rect = ui.available_rect_before_wrap();
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let scale = rect.height() / rect.width();
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let rect = rect.scale_from_center2(Vec2::new(scale, 1.0));
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ui.painter().rect_filled(
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rect,
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0.0,
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Color32::RED * Color32::from_gray(color),
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);
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2025-02-02 20:16:11 +00:00
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});
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}
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});
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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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});
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});
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}
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2025-02-05 04:23:06 +00:00
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fn load_palette_colors(&self) -> [u8; 4] {
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let Some(offset) = self.palette.offset() else {
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return utils::GENERIC_PALETTE;
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};
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let palette = self.palettes.borrow().read(offset);
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let brightnesses = self.brightness.borrow();
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let brts = brightnesses.range(0, 8);
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utils::parse_palette(palette, brts)
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}
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2025-02-02 20:16:11 +00:00
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fn show_chardata(&mut self, ui: &mut Ui) {
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let start_pos = ui.cursor().min;
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2025-02-05 04:23:06 +00:00
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let resource = CharDataResource::CharacterData {
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palette: self.palette,
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};
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2025-02-02 20:16:11 +00:00
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let image = Image::new(resource.to_uri())
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.fit_to_original_size(self.scale)
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.tint(Color32::RED)
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.texture_options(TextureOptions::NEAREST)
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.sense(Sense::click());
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let res = ui.add(image);
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if res.clicked() {
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if let Some(click_pos) = res.interact_pointer_pos() {
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let fixed_pos = (click_pos - start_pos) / self.scale;
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let x = (fixed_pos.x / 8.0) as usize;
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let y = (fixed_pos.y / 8.0) as usize;
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self.index = (y * 16) + x;
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self.index_str = self.index.to_string();
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}
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}
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let painter = ui.painter_at(res.rect);
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if self.show_grid {
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let stroke = ui.style().visuals.widgets.noninteractive.fg_stroke;
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for x in (1..16).map(|i| (i as f32) * 8.0 * self.scale) {
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let p1 = res.rect.min + (x, 0.0).into();
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let p2 = res.rect.min + (x, 128.0 * 8.0 * self.scale).into();
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painter.line(vec![p1, p2], stroke);
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}
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for y in (1..128).map(|i| (i as f32) * 8.0 * self.scale) {
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let p1 = res.rect.min + (0.0, y).into();
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let p2 = res.rect.min + (16.0 * 8.0 * self.scale, y).into();
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painter.line(vec![p1, p2], stroke);
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}
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}
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// draw box around selected
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let x1 = (self.index % 16) as f32 * 8.0 * self.scale;
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let x2 = x1 + (8.0 * self.scale);
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let y1 = (self.index / 16) as f32 * 8.0 * self.scale;
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let y2 = y1 + (8.0 * self.scale);
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painter.line(
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vec![
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(res.rect.min + (x1, y1).into()),
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(res.rect.min + (x2, y1).into()),
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(res.rect.min + (x2, y2).into()),
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(res.rect.min + (x1, y2).into()),
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(res.rect.min + (x1, y1).into()),
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],
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ui.style().visuals.widgets.active.fg_stroke,
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);
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}
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}
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impl AppWindow for CharacterDataWindow {
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fn viewport_id(&self) -> ViewportId {
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ViewportId::from_hash_of(format!("chardata-{}", 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!("Character Data ({})", self.sim_id))
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.with_inner_size((640.0, 480.0))
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}
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2025-02-05 04:23:06 +00:00
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fn on_init(&mut self, ctx: &Context, _render_state: &egui_wgpu::RenderState) {
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let loader = self.loader.take().unwrap();
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ctx.add_texture_loader(Arc::new(VramTextureLoader::new(loader)));
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}
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2025-02-02 20:16:11 +00:00
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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))
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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_chardata(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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2025-02-05 04:23:06 +00:00
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#[derive(Serialize, Deserialize, PartialEq, Eq, Hash)]
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enum CharDataResource {
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Character { palette: VramPalette, index: usize },
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CharacterData { palette: VramPalette },
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}
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struct CharDataLoader {
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chardata: MemoryView,
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brightness: MemoryView,
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palettes: MemoryView,
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}
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impl CharDataLoader {
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pub fn new(sim_id: SimId, memory: &mut MemoryMonitor) -> Self {
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Self {
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chardata: memory.view(sim_id, 0x00078000, 0x8000),
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brightness: memory.view(sim_id, 0x0005f824, 8),
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palettes: memory.view(sim_id, 0x0005f860, 16),
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}
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}
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fn load_character(&self, palette: VramPalette, index: usize) -> Option<ColorImage> {
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|
if index >= 2048 {
|
|
|
|
return None;
|
|
|
|
}
|
|
|
|
let palette = self.load_palette(palette);
|
|
|
|
let chardata = self.chardata.borrow();
|
|
|
|
let character = chardata.range::<u16>(index * 8, 8);
|
|
|
|
let mut buffer = Vec::with_capacity(8 * 8);
|
|
|
|
for row in character {
|
|
|
|
for offset in (0..16).step_by(2) {
|
|
|
|
let char = (row >> offset) & 0x3;
|
|
|
|
buffer.push(palette[char as usize]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Some(ColorImage::from_gray([8, 8], &buffer))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn load_character_data(&self, palette: VramPalette) -> Option<ColorImage> {
|
|
|
|
let palette = self.load_palette(palette);
|
|
|
|
let chardata = self.chardata.borrow();
|
|
|
|
let mut buffer = vec![0; 8 * 8 * 2048];
|
|
|
|
for (i, row) in chardata.range::<u16>(0, 2048).iter().enumerate() {
|
|
|
|
let bytes =
|
|
|
|
[0, 2, 4, 6, 8, 10, 12, 14].map(|off| palette[(*row as usize >> off) & 0x3]);
|
|
|
|
let char_index = i / 8;
|
|
|
|
let row_index = i % 8;
|
|
|
|
let x = (char_index % 16) * 8;
|
|
|
|
let y = (char_index / 16) * 8 + row_index;
|
|
|
|
let write_index = (y * 16 * 8) + x;
|
|
|
|
buffer[write_index..write_index + 8].copy_from_slice(&bytes);
|
|
|
|
}
|
|
|
|
Some(ColorImage::from_gray([8 * 16, 8 * 128], &buffer))
|
|
|
|
}
|
|
|
|
|
|
|
|
fn load_palette(&self, palette: VramPalette) -> [u8; 4] {
|
|
|
|
let Some(offset) = palette.offset() else {
|
|
|
|
return utils::GENERIC_PALETTE;
|
|
|
|
};
|
|
|
|
let palette = self.palettes.borrow().read(offset);
|
|
|
|
let brightnesses = self.brightness.borrow();
|
|
|
|
let brts = brightnesses.range(0, 8);
|
|
|
|
utils::parse_palette(palette, brts)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl VramImageLoader for CharDataLoader {
|
|
|
|
type Resource = CharDataResource;
|
|
|
|
|
|
|
|
fn id(&self) -> &str {
|
|
|
|
concat!(module_path!(), "::CharDataLoader")
|
|
|
|
}
|
|
|
|
|
|
|
|
fn add(&self, resource: &Self::Resource) -> Option<ColorImage> {
|
|
|
|
match resource {
|
|
|
|
CharDataResource::Character { palette, index } => self.load_character(*palette, *index),
|
|
|
|
CharDataResource::CharacterData { palette } => self.load_character_data(*palette),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn update<'a>(
|
|
|
|
&'a self,
|
|
|
|
resources: impl Iterator<Item = &'a Self::Resource>,
|
|
|
|
) -> Vec<(&'a Self::Resource, ColorImage)> {
|
|
|
|
let _ = resources;
|
|
|
|
vec![]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2025-02-02 20:16:11 +00:00
|
|
|
trait UiExt {
|
|
|
|
fn section(&mut self, title: impl Into<String>, add_contents: impl FnOnce(&mut Ui));
|
|
|
|
}
|
|
|
|
|
|
|
|
impl UiExt for Ui {
|
|
|
|
fn section(&mut self, title: impl Into<String>, add_contents: impl FnOnce(&mut Ui)) {
|
|
|
|
let mut frame = Frame::group(self.style());
|
|
|
|
frame.outer_margin.top += 10.0;
|
|
|
|
frame.inner_margin.top += 2.0;
|
|
|
|
let res = frame.show(self, add_contents);
|
|
|
|
let text = RichText::new(title).background_color(self.style().visuals.panel_fill);
|
|
|
|
let old_rect = res.response.rect;
|
|
|
|
let mut text_rect = old_rect;
|
|
|
|
text_rect.min.x += 6.0;
|
|
|
|
let new_rect = self
|
|
|
|
.allocate_new_ui(UiBuilder::new().max_rect(text_rect), |ui| ui.label(text))
|
|
|
|
.response
|
|
|
|
.rect;
|
|
|
|
self.allocate_space((old_rect.max - new_rect.max) - (old_rect.min - new_rect.min));
|
|
|
|
}
|
|
|
|
}
|