From: Tomas Wenström <tomas.wenstrom@gmail.com>
Date: Wed, 10 Feb 2021 18:50:42 +0000 (+0100)
Subject: Toggle debug mode with keypad enter
X-Git-Url: http://www.dolda2000.com/gitweb/?p=kaka%2Frust-sdl-test.git;a=commitdiff_plain;h=7b724ff393ea83b7a2d43fbfa93199d0c395af92

Toggle debug mode with keypad enter
---

diff --git a/src/core/game.rs b/src/core/game.rs
index 2fa7ddd..9d51e18 100644
--- a/src/core/game.rs
+++ b/src/core/game.rs
@@ -22,6 +22,7 @@ use time::Duration;
 pub struct GameState {
     world: World,
     lvlgen: LevelGenerator,
+    debug_mode: bool,
 }
 
 impl GameState {
@@ -30,6 +31,7 @@ impl GameState {
 	GameState {
 	    world: World::new(lvlgen.generate()),
 	    lvlgen,
+	    ..Default::default()
 	}
     }
 }
@@ -49,7 +51,7 @@ impl AppState for GameState {
     }
 
     fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) {
-	self.world.render(renderer, sprites);
+	self.world.render(renderer, sprites, self.debug_mode);
     }
 
     fn handle_event(&mut self, event: Event) -> Option<StateChange> {
@@ -60,6 +62,9 @@ impl AppState for GameState {
 	    Event::KeyDown { keycode: Some(Keycode::Return), .. } => {
 		return Some(StateChange::Push(Box::new(TestState::new())))
             }
+	    Event::KeyDown { keycode: Some(Keycode::KpEnter), .. } => {
+		self.debug_mode = !self.debug_mode;
+	    }
 	    Event::KeyDown { keycode: Some(Keycode::Space), .. } => {
 		self.lvlgen.seed = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs() as u32;
 		self.world.level = self.lvlgen.generate();
@@ -122,8 +127,8 @@ impl World {
 	println!("\x1b[Kobject count: {}\x1b[1A", self.objects.len()); // clear line, print, move cursor up
     }
 
-    pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager) {
-	self.level.render(renderer, sprites);
+    pub fn render(&mut self, renderer: &mut Renderer, sprites: &SpriteManager, debug_mode: bool) {
+	self.level.render(renderer, sprites, debug_mode);
 	for o in &mut self.objects {
 	    o.render(renderer, sprites);
 	}
diff --git a/src/core/level/mod.rs b/src/core/level/mod.rs
index 00f3009..578a94e 100644
--- a/src/core/level/mod.rs
+++ b/src/core/level/mod.rs
@@ -53,35 +53,50 @@ impl Level {
 	grid
     }
 
-    pub fn render(&mut self, renderer: &mut Renderer, _sprites: &SpriteManager) {
-	// original grid
-	renderer.canvas().set_draw_color((64, 64, 64));
-	let size = &self.grid.scale;
-	for x in 0..self.grid.size.width {
-	    for y in 0..self.grid.size.height {
-		if self.grid.cells[x][y] {
-		    renderer.canvas().fill_rect(sdl2::rect::Rect::new(
-			x as i32 * size.width as i32,
-			y as i32 * size.height as i32,
-			size.width as u32,
-			size.height as u32)).unwrap();
+    pub fn render(&mut self, renderer: &mut Renderer, _sprites: &SpriteManager, debug_mode: bool) {
+	if debug_mode {
+	    // original grid
+	    renderer.canvas().set_draw_color((64, 64, 64));
+	    let size = &self.grid.scale;
+	    for x in 0..self.grid.size.width {
+		for y in 0..self.grid.size.height {
+		    if self.grid.cells[x][y] {
+			renderer.canvas().fill_rect(sdl2::rect::Rect::new(
+			    x as i32 * size.width as i32,
+			    y as i32 * size.height as i32,
+			    size.width as u32,
+			    size.height as u32)).unwrap();
+		    }
+		}
+	    }
+
+	    // wall grid
+	    renderer.canvas().set_draw_color((0, 32, 0));
+	    let size = &self.wall_grid.scale;
+	    for x in 0..self.wall_grid.size.width {
+		for y in 0..self.wall_grid.size.height {
+		    if !self.wall_grid.cells[x][y].is_empty() {
+			let num = self.wall_grid.cells[x][y].len();
+			renderer.canvas().set_draw_color((0, 32*num as u8, 0));
+			renderer.canvas().fill_rect(sdl2::rect::Rect::new(
+			    x as i32 * size.width as i32,
+			    y as i32 * size.height as i32,
+			    size.width as u32,
+			    size.height as u32)).unwrap();
+		    }
 		}
 	    }
-	}
 
-	// wall grid
-	renderer.canvas().set_draw_color((0, 32, 0));
-	let size = &self.wall_grid.scale;
-	for x in 0..self.wall_grid.size.width {
-	    for y in 0..self.wall_grid.size.height {
-		if !self.wall_grid.cells[x][y].is_empty() {
-		    let num = self.wall_grid.cells[x][y].len();
-		    renderer.canvas().set_draw_color((0, 32*num as u8, 0));
-		    renderer.canvas().fill_rect(sdl2::rect::Rect::new(
-			x as i32 * size.width as i32,
-			y as i32 * size.height as i32,
-			size.width as u32,
-			size.height as u32)).unwrap();
+	    // wall normals
+	    for wall in &self.walls {
+		for e in &wall.edges {
+		    let c = (e.p1 + e.p2) / 2.0;
+		    let a = (e.p2 - e.p1).to_angle() + std::f64::consts::FRAC_PI_2.radians();
+
+		    renderer.draw_line(
+		        <(i32, i32)>::from(c.to_i32()),
+		        <(i32, i32)>::from((c + Point::from(a) * 10.0).to_i32()),
+		        (0, 128, 255));
 		}
 	    }
 	}
@@ -89,13 +104,24 @@ impl Level {
 	// walls
 	for wall in &self.walls {
 	    for e in &wall.edges {
-		let c = (e.p1 + e.p2) / 2.0;
-		let a = (e.p2 - e.p1).to_angle() + std::f64::consts::FRAC_PI_2.radians();
-
-		renderer.draw_line(
-		    <(i32, i32)>::from(c.to_i32()),
-		    <(i32, i32)>::from((c + Point::from(a) * 10.0).to_i32()),
-		    (255, 128, 0));
+		if !debug_mode {
+		    let c = (e.p1 + e.p2) / 2.0;
+		    let a = (e.p2 - e.p1).to_angle() - std::f64::consts::FRAC_PI_2.radians();
+
+		    renderer.draw_line(
+			<(i32, i32)>::from(c.to_i32()),
+			<(i32, i32)>::from((c + Point::from(a) * 10.0).to_i32()),
+			(255, 128, 0));
+
+		    renderer.draw_line(
+			<(i32, i32)>::from(e.p1.to_i32()),
+			<(i32, i32)>::from((c + Point::from(a) * 20.0).to_i32()),
+			(96, 48, 0));
+		    renderer.draw_line(
+			<(i32, i32)>::from(e.p2.to_i32()),
+			<(i32, i32)>::from((c + Point::from(a) * 20.0).to_i32()),
+		        (96, 48, 0));
+		}
 
 		renderer.draw_line(
 		    <(i32, i32)>::from(e.p1.to_i32()),