Add support for changing aspect ratio and BBB optimizations

lcdr · Nov 11, 2021 · adfad8f · adfad8f
1 parent bc73e2e
commit adfad8f
Showing 1 changed file with 41 additions and 5 deletions.
diff --git a/src/scale_ui.rs b/src/scale_ui.rs
@@ -2,8 +2,19 @@ use std::fs::read_to_string;
 
 use crate::patch::patch;
 
-const VIEWPORT_HEIGHT_OFFSET: usize = 0x7939ce;
+const BBB_OPT_ENABLED: usize = 0x766e91;
+const BBB_OPT_CDGO: usize = 0x76709d;
+const BBB_OPT_HSR_RAYS_PER_POINT: usize = 0x76709f;
+const BBB_OPT_HSR_POINTS_PER_TRI: usize = 0x7670a4;
+const BBB_OPT_HSR: usize = 0x7670a9;
+const BBB_OPT_AO_BAKING: usize = 0x7670ab;
+const BBB_OPT_COLOR_VAR: usize = 0x7670af;
+const VIEWPORT_HEIGHT: usize = 0x7939ce;
 const VIEWPORT_HEIGHT_VALUE: usize = 0x7939d2;
+const MIN_ASPECT_RATIO: usize = 0x1114f88;
+const MAX_ASPECT_RATIO: usize = 0x1114f8c;
+
+static mut COLOR_VAR: f32 = 0.05;
 
 pub fn patch_ui_scale() {
 	let lnv = read_to_string("boot.cfg").expect("could not open boot.cfg");
@@ -12,11 +23,36 @@ pub fn patch_ui_scale() {
 		let name_value = name_value.trim();
 		let (name, value) = name_value.split_at(name_value.find(":").expect(&format!("malformed boot.cfg entry, colon missing: {}", name_value))+1);
 
-		if name == "UI_SCALE=3:" {
-			let scale: f32 = value.parse().expect(&format!("could not parse boot.cfg UI_SCALE value as float: {}", value));
-			let scale = 1.0 / scale;
-			patch(VIEWPORT_HEIGHT_OFFSET, 0x00_00_01_50_u32);
+		if name == "BBB_OPT_ENABLED=7:" && value == "1" {
+			patch(BBB_OPT_ENABLED, 1u8);
+		} else if name == "BBB_OPT_CDGO=7:" && value == "0" {
+			patch(BBB_OPT_CDGO, 0u8);
+		} else if name == "BBB_OPT_HSR_RAYS_PER_POINT=5:" {
+			let parsed_value: u32 = value.parse().expect(&format!("could not parse boot.cfg BBB_OPT_HSR_RAYS_PER_POINT value as u32: {}", value));
+			patch(BBB_OPT_HSR_RAYS_PER_POINT, parsed_value);
+		} else if name == "BBB_OPT_HSR_POINTS_PER_TRI=5:" {
+			let parsed_value: u32 = value.parse().expect(&format!("could not parse boot.cfg BBB_OPT_HSR_POINTS_PER_TRI value as u32: {}", value));
+			patch(BBB_OPT_HSR_POINTS_PER_TRI, parsed_value);
+		} else if name == "BBB_OPT_HSR=7:" && value == "0" {
+			patch(BBB_OPT_HSR, 0u8);
+		} else if name == "BBB_OPT_AO_BAKING=7:" && value == "0" {
+			patch(BBB_OPT_AO_BAKING, 0u8);
+		} else if name == "BBB_OPT_COLOR_VAR=3:" {
+			let parsed_value: f32 = value.parse().expect(&format!("could not parse boot.cfg BBB_OPT_COLOR_VAR value as float: {}", value));
+			unsafe { COLOR_VAR = parsed_value; }
+			patch(BBB_OPT_COLOR_VAR, unsafe { &COLOR_VAR });
+		} else if name == "UI_SCALE=3:" {
+			let parsed_value: f32 = value.parse().expect(&format!("could not parse boot.cfg UI_SCALE value as float: {}", value));
+			let scale = 1.0 / parsed_value;
+			// we override the viewport height initializer to initialize viewport scale instead
+			patch(VIEWPORT_HEIGHT, 0x00_00_01_50_u32);
 			patch(VIEWPORT_HEIGHT_VALUE, scale);
+		} else if name == "MIN_ASPECT_RATIO=3:" {
+			let parsed_value: f32 = value.parse().expect(&format!("could not parse boot.cfg MIN_ASPECT_RATIO value as float: {}", value));
+			patch(MIN_ASPECT_RATIO, parsed_value);
+		} else if name == "MAX_ASPECT_RATIO=3:" {
+			let parsed_value: f32 = value.parse().expect(&format!("could not parse boot.cfg MAX_ASPECT_RATIO value as float: {}", value));
+			patch(MAX_ASPECT_RATIO, parsed_value);
 		}
 	}
 }