From 9c88169cf0e23fade004ec45ac07cbe49ad67122 Mon Sep 17 00:00:00 2001 From: Thomas Forgione Date: Fri, 5 Oct 2018 20:11:12 +0200 Subject: [PATCH] Added view --- assets/levels/level1.txt | 46 ++++++++++++------------------------- assets/levels/level2.txt | 31 +++++++++++++++++++++++++ src/app/game.rs | 7 +++++- src/engine/character/mod.rs | 15 +++++++++++- src/engine/renderer/mod.rs | 6 +++++ src/engine/scene/mod.rs | 40 ++++++++++++++++++++++++++++++++ 6 files changed, 112 insertions(+), 33 deletions(-) create mode 100644 assets/levels/level2.txt diff --git a/assets/levels/level1.txt b/assets/levels/level1.txt index 1b87f4a..46a3f55 100644 --- a/assets/levels/level1.txt +++ b/assets/levels/level1.txt @@ -1,31 +1,15 @@ -30 50 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 +1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 diff --git a/src/app/game.rs b/src/app/game.rs index ece07e2..3879bb8 100644 --- a/src/app/game.rs +++ b/src/app/game.rs @@ -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); diff --git a/src/engine/character/mod.rs b/src/engine/character/mod.rs index ff22b8e..1182e74 100644 --- a/src/engine/character/mod.rs +++ b/src/engine/character/mod.rs @@ -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 { + &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 { diff --git a/src/engine/renderer/mod.rs b/src/engine/renderer/mod.rs index 0517f38..eb383d7 100644 --- a/src/engine/renderer/mod.rs +++ b/src/engine/renderer/mod.rs @@ -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(); diff --git a/src/engine/scene/mod.rs b/src/engine/scene/mod.rs index f69aff7..19e2386 100644 --- a/src/engine/scene/mod.rs +++ b/src/engine/scene/mod.rs @@ -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 { + 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) {