CHANGLOG.md

@@ -1,6 +1,3 @@
-# 0.3.0
-- added size to backgrounds
-
 # 0.2.1 - 2023-07-27
 - fixed missing dependency in scaffolding
 
@@ -11,4 +8,4 @@
 - added gsa scaffolding tool
 
 # 0.1.0 - 2023-07-21
-- initial release
+initial release

src/background.rs

@@ -7,8 +7,6 @@ pub struct Background {
     pub tiles: Vec<Vec<u16>>,
     /// Camera scroll (negative draw offset) for rendering
     pub scroll: IVec2,
-    /// Size (used for rendering)
-    pub size: IVec2,
     /// Are tiles indices half-tile indices?
     pub half_tile: bool,
     /// Is this background being displayed?
@@ -24,7 +22,6 @@ impl Default for Background {
             scroll: IVec2::ZERO,
             half_tile: false,
             active: true,
-            size: IVec2 { x: 19, y: 11 },
         }
     }
 }

src/gsa_render_to_screen.rs

@@ -41,14 +41,10 @@ fn render_map(target: &mut [u8], map: &Background, tileset: &[u8], screen_size:
     } as i32;
     let mut startx = map.scroll.x / tilesize;
     let mut starty = map.scroll.y / tilesize;
-    let endx = map
+    let endx =
-        .size
+        (BACKGROUND_MAX_SIZE as i32).min(startx + (screen_size.x / TILE_SIZE as i32 + 1) * tcmult);
-        .x
+    let endy =
-        .min(startx + (screen_size.x / TILE_SIZE as i32 + 1) * tcmult);
+        (BACKGROUND_MAX_SIZE as i32).min(starty + (screen_size.y / TILE_SIZE as i32 + 1) * tcmult);
-    let endy = map
-        .size
-        .y
-        .min(starty + (screen_size.y / TILE_SIZE as i32 + 1) * tcmult);
     startx = 0.max(startx);
     starty = 0.max(starty);
     for x in startx..endx {

src/mapedit.rs

@@ -19,26 +19,6 @@ use winit::{
 const SPR_CURSOR: usize = 0x01;
 const TILE_CURSOR: u16 = 0x7308;
 const TILE_MARKER: u16 = 0x7309;
-const TILE_BG: u16 = 0x730a;
-
-struct Surface<'a> {
-    pub data: &'a mut [u8],
-    pub size: IVec2,
-}
-
-impl<'a> Surface<'a> {
-    fn draw_vline(&mut self, pos: IVec2, len: i32, color: u8) {
-        for i in 0..len {
-            self.data[(pos.x + (pos.y + i) * self.size.x) as usize] = color;
-        }
-    }
-
-    fn draw_hline(&mut self, pos: IVec2, len: i32, color: u8) {
-        for i in 0..len {
-            self.data[(pos.x + i + pos.y * self.size.x) as usize] = color;
-        }
-    }
-}
 
 pub(crate) fn run_mapedit() {
     println!("running map edit");
@@ -74,9 +54,6 @@ pub(crate) fn run_mapedit() {
     };
     gsa2.reset_bgs();
     gsa2.reset_sprites();
-    for i in 0..2 {
-        gsa2.bgs[i].scroll = IVec2 { x: -16, y: 0 };
-    }
 
     for y in 0..TILESET_SIZE {
         for x in 0..TILESET_SIZE {
@@ -86,7 +63,6 @@ pub(crate) fn run_mapedit() {
     gsa2.bgs[0].active = false;
     gsa2.bgs[1].active = false;
     gsa2.bgs[2].active = true;
-    gsa2.bgs[2].size = IVec2 { x: 120, y: 68 }; //enough to cover 4k monitors? <_<
 
     for y in 0..BACKGROUND_MAX_SIZE {
         gsa2.bgs[2].tiles[0][y] = 0x7408;
@@ -262,43 +238,24 @@ pub(crate) fn run_mapedit() {
                 let mut screen_buffer =
                     vec![TRANSPARENT; size.width as usize * size.height as usize / 4];
                 let mut window_buffer = surface.buffer_mut().unwrap();
-                let screen_size = IVec2 {
+                render_to_screen(
+                    &mut screen_buffer,
+                    &gsa,
+                    &tileset,
+                    IVec2 {
                         x: size.width as i32 / 2,
                         y: size.height as i32 / 2,
-                };
+                    },
-                render_to_screen(&mut screen_buffer, &gsa, &tileset, screen_size);
+                );
-                render_to_screen(&mut screen_buffer, &gsa2, &tileset, screen_size);
+                render_to_screen(
-                let mut screen = Surface {
+                    &mut screen_buffer,
-                    data: &mut screen_buffer,
+                    &gsa2,
-                    size: screen_size,
+                    &tileset,
-                };
+                    IVec2 {
-                if gsa.bgs[0].active {
+                        x: size.width as i32 / 2,
-                    let xs = -gsa.bgs[0].scroll.x - 1;
+                        y: size.height as i32 / 2,
-                    let ys = -gsa.bgs[0].scroll.y - 1;
+                    },
-                    let xe = xs + gsa.bgs[0].size.x * TILE_SIZE as i32 + 1;
+                );
-                    let ye = ys + gsa.bgs[0].size.y * TILE_SIZE as i32 + 1;
-                    if xs >= 16 && xs < screen_size.x {
-                        let starty = (ys + 1).max(0);
-                        let len = ye.min(screen_size.y) - starty;
-                        screen.draw_vline(IVec2 { x: xs, y: starty }, len, 0xfc);
-                    }
-                    if xe >= 16 && xe < screen_size.x {
-                        let starty = (ys + 1).max(0);
-                        let len = ye.min(screen_size.y) - starty;
-                        screen.draw_vline(IVec2 { x: xe, y: starty }, len, 0xfc);
-                    }
-                    if ys >= 0 && ys < screen_size.y {
-                        let startx = (xs + 1).max(16);
-                        let len = xe.min(screen_size.x) - startx;
-                        screen.draw_hline(IVec2 { x: startx, y: ys }, len, 0xfc);
-                    }
-                    if ye >= 0 && ye < screen_size.y {
-                        let startx = (xs + 1).max(16);
-                        let len = xe.min(screen_size.x) - startx;
-                        screen.draw_hline(IVec2 { x: startx, y: ye }, len, 0xfc);
-                    }
-                }
-
                 render_to_window(
                     &mut window_buffer,
                     &mut screen_buffer,