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Thomas Forgione 2018-10-05 20:11:12 +02:00
parent 52742c8057
commit 9c88169cf0
6 changed files with 112 additions and 33 deletions
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46
assets/levels/level1.txt
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31
assets/levels/level2.txt Normal file
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7
src/app/game.rs
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@ -15,7 +15,7 @@ use rusty::engine::renderer::Renderer;
fn main() {
let game_width = 800;
let game_height = 600;
let game_height = 450;
let mut character = Character::with_controls(Controls::new());
character.set_position((10.0, 0.0));
@ -54,6 +54,11 @@ fn main() {
scene.update(&duration);
// Update the view
if let Some(view) = scene.view() {
renderer.set_view(&view);
}
// Do the rendering
renderer.clear();
renderer.draw_scene(&scene);

15
src/engine/character/mod.rs
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@ -5,8 +5,11 @@ use std::time::{
use sfml::system::Vector2;
use sfml::window::Event;
use sfml::graphics::IntRect;
use sfml::window::Key;
use sfml::graphics::{
IntRect,
View,
};
use engine::scene::Updatable;
use engine::controls::Controls;
@ -133,6 +136,16 @@ impl Character {
}
}
/// Returns a reference to the controls.
pub fn controls(&self) -> &Option<Controls> {
&self.controls
}
/// Returns a view that looks at the character.
pub fn view(&self) -> View {
View::new(self.position, Vector2::new(24.0 * 16.0, 24.0 * 9.0))
}
}
impl Updatable for Character {

6
src/engine/renderer/mod.rs
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@ -6,6 +6,7 @@ use sfml::graphics::{
Sprite,
Color,
IntRect,
View,
};
use sfml::window::{
@ -92,6 +93,11 @@ impl Renderer {
self.window.draw(&sprite);
}
/// Updates the view.
pub fn set_view(&mut self, view: &View) {
self.window.set_view(&view);
}
/// Draws a scene on the window.
pub fn draw_scene(&mut self, scene: &Scene) {
let map = scene.map();

40
src/engine/scene/mod.rs
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@ -1,6 +1,7 @@
use std::time::Duration;
use sfml::window::Event;
use sfml::graphics::View;
use engine::character::Character;
use engine::map::Map;
@ -31,6 +32,45 @@ impl Scene {
self.characters.push(character);
}
/// Returns the controlable.
fn controlable(&self) -> Option<&Character> {
for character in &self.characters {
if character.controls().is_some() {
return Some(&character)
}
}
None
}
/// Returns the right view.
pub fn view(&self) -> Option<View> {
let view = self.controlable()?.view();
let mut center = view.center();
let size = view.size();
// Clamp center so that the view doesn't show things outside the level.
if center.x - size.x / 2.0 < 0.0 {
center.x = size.x / 2.0;
}
if center.y - size.y / 2.0 < 0.0 {
center.y = size.y / 2.0;
}
let right_limit = self.map.cols() as f32 * 16.0;
let bottom_limit = self.map.rows() as f32 * 16.0;
if center.x + size.x / 2.0 > right_limit {
center.x = right_limit - size.x / 2.0;
}
if center.y + size.y / 2.0 > bottom_limit {
center.y = bottom_limit - size.y / 2.0;
}
Some(View::new(center, size))
}
/// Updates the whole scene.
pub fn update(&mut self, duration: &Duration) {