From 5a3a9a55eb3cdd816a97a9e6452ed1eed07b94cf Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Mon, 17 Dec 2018 04:45:02 +0100
Subject: Load tilesets from assets

---
 src/game.rs     |  3 +++
 src/graphics.rs | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 src/main.rs     | 28 +++++++++++++++++-----------
 3 files changed, 76 insertions(+), 13 deletions(-)

diff --git a/src/game.rs b/src/game.rs
index 335e9da..a913596 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -25,6 +25,9 @@ pub fn new() -> State {
 		Err(e) => panic!("Failed to parse demo map: {}", e.description()),
 	};
 
+	// allow only orthogonal maps
+	assert_eq!(demo_map.orientation, tiled::Orientation::Orthogonal);
+
 	return State {
 		running: true,
 		map: demo_map
diff --git a/src/graphics.rs b/src/graphics.rs
index 003f182..deff94e 100644
--- a/src/graphics.rs
+++ b/src/graphics.rs
@@ -1,5 +1,6 @@
 extern crate sfml;
 
+use std::collections::HashMap;
 use sfml::window::{
 	ContextSettings,
 	Event,
@@ -9,9 +10,17 @@ use sfml::window::{
 use sfml::graphics::{
 	RenderWindow,
 	RenderTarget,
+	Texture,
 	Color,
+	Rect,
 };
 
+
+#[derive(RustEmbed)]
+#[folder = "res"]
+pub struct Assets;
+
+
 pub fn start() -> RenderWindow {
 	let default_window_size = (1280, 720);
 	let default_framerate = 80;
@@ -34,8 +43,53 @@ pub fn start() -> RenderWindow {
 	return window;
 }
 
-pub fn render(window: &mut RenderWindow) {
-	window.clear(&Color::BLACK);
+pub fn render(window: &mut RenderWindow, state: &crate::game::State) {
+
+	// background
+	let bgcolor = match state.map.background_colour {
+		Some(color) => Color::rgb(color.red, color.green, color.blue),
+		None => Color::BLACK,
+	};
+
+	window.clear(&bgcolor);
+
+	// load tilesets
+	let mut textures: HashMap<u32, Texture> = HashMap::new();
+	for tileset in &state.map.tilesets {
+		
+		let image = &tileset.images[0];
+		let asset = Assets::get(&image.source);
+
+		if let Some(asset) = asset {
+			let texture = Texture::from_memory(
+				asset.as_ref(),
+				&Rect {
+					left: 0,
+					top: 0,
+					width: image.width,
+					height: image.height
+				}
+			);
+
+			if let Some(texture) = texture {
+				textures.insert(tileset.first_gid, texture);
+			}
+		}
+	}
+
+	// render map
+
+	// for each tile 
+	for y in 0 .. state.map.height {
+		for x in 0 .. state.map.width {
+			// for each layer
+			for layer in &state.map.layers {
+				state.map.get_tileset_by_gid(layer.tiles[y as usize][x as usize]);
+			}
+		}
+	}
+
+
 	window.display();
 }
 
diff --git a/src/main.rs b/src/main.rs
index 4d32b95..9eb709f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,43 +8,49 @@ use std::thread;
 use std::sync::{Arc, Mutex};
 
 fn main() {
-	let state_mutex = Arc::new(Mutex::new(game::new()));
+	let game_state_mutex = Arc::new(Mutex::new(game::new()));
 
-	let state = state_mutex.clone();
+	let game_state = game_state_mutex.clone();
 	let game_thread = thread::spawn(move || {
 		loop {
 			// aquire state resource
-			let mut state = match state.lock() {
-				Ok(state) => state,
+			let mut game_state = match game_state.lock() {
+				Ok(game_state) => game_state,
 				Err(poisoned) => poisoned.into_inner(),
 			};
 
-			if state.running == false {
+			if game_state.running == false {
 				break;
 			}
 
-			game::update(&mut state);
+			game::update(&mut game_state);
 		}
 	});
 
 
-	let state = state_mutex.clone();
+	let game_state = game_state_mutex.clone();
 	let graphics_thread = thread::spawn(move || {
 		let mut window = graphics::start();
 
 		while window.is_open() {
-			graphics::render(&mut window);
+			// aquire state resource
+			let game_state = match game_state.lock() {
+				Ok(game_state) => game_state,
+				Err(poisoned) => poisoned.into_inner(),
+			};
+
+			graphics::render(&mut window, &game_state);
 			graphics::update(&mut window);
 		}
 
 		// aquire state resource
-		let mut state = match state.lock() {
-			Ok(state) => state,
+		let mut game_state = match game_state.lock() {
+			Ok(game_state) => game_state,
 			Err(poisoned) => poisoned.into_inner(),
 		};
 
 		// stop game thread
-		state.running = false;
+		game_state.running = false;
 	});
 
 	// wait for both thread to die
-- 
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