Implement world viewer with support for OBJ worlds

2025-02-16 15:55:21 -05:00
parent f7cf960b62
commit cfc08032e6
11 changed files with 497 additions and 60 deletions
@@ -10,24 +10,29 @@ pub fn generic_palette(color: Color32) -> [Color32; 4] {
    GENERIC_PALETTE.map(|brt| shade(brt, color))
 }

-pub fn parse_palette(palette: u8, brts: &[u8; 8], color: Color32) -> [Color32; 4] {
-    let shades = [
-        Color32::BLACK,
-        shade(brts[0], color),
-        shade(brts[2], color),
-        shade(
-            brts[0].saturating_add(brts[2]).saturating_add(brts[4]),
-            color,
-        ),
-    ];
+pub const fn parse_palette(palette: u8) -> [u8; 4] {
    [
-        Color32::BLACK,
-        shades[(palette >> 2) as usize & 0x03],
-        shades[(palette >> 4) as usize & 0x03],
-        shades[(palette >> 6) as usize & 0x03],
+        0,
+        (palette >> 2) & 0x03,
+        (palette >> 4) & 0x03,
+        (palette >> 6) & 0x03,
    ]
 }

+pub const fn parse_shades(brts: &[u8; 8]) -> [u8; 4] {
+    [
+        0,
+        brts[0],
+        brts[2],
+        brts[0].saturating_add(brts[2]).saturating_add(brts[4]),
+    ]
+}
+
+pub fn palette_colors(palette: u8, brts: &[u8; 8], color: Color32) -> [Color32; 4] {
+    let colors = parse_shades(brts).map(|s| shade(s, color));
+    parse_palette(palette).map(|p| colors[p as usize])
+}
+
 pub struct Object {
    pub x: i16,
    pub lon: bool,