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Paul-Christian Volkmer 2022-02-16 14:37:54 +01:00
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/target

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[package]
name = "winelounge"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
chrono = "0.4"
rand = "0.8"
[dependencies.sdl2]
version = "0.35"
features = ["image", "ttf"]

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MIT License
Copyright (c) 2022 Paul-Christian Volkmer
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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= Wine Lounge
This simple retro game is my first attempt at creating a small game.
Since it was written within one day, the code is more of a quick hack than proper software.
But this game may evolve ... ;)
== Gameplay
Use the arrow keys to move the lady to hidden boxes, collect empty glasses and fill them with delicious wine.
Bring the wine to her wine lounge and increase your score. But beware of the stumbling blocks.
image::assets/image.png[]
That's all.

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mod player;
mod world;
use std::time::Duration;
use crate::player::player::Player;
use crate::world::world::{BoxAreaContent, BoxAreaPosition, World};
use sdl2::event::Event;
use sdl2::image::LoadTexture;
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
use sdl2::rect::{Point, Rect};
use sdl2::render::{Texture, WindowCanvas};
use sdl2::ttf::Font;
const GLASS_SPACE: u8 = 5;
fn main() {
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
let window = video_subsystem
.window("Wine Lounge", 800, 600)
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().build().unwrap();
canvas.set_draw_color(Color::RGB(44, 48, 63));
canvas.clear();
canvas.present();
let texture_creator = canvas.texture_creator();
let texture = texture_creator.load_texture("./assets/sprite.png").unwrap();
let font = sdl2::ttf::init().unwrap();
let font = font.load_font("./assets/font.ttf", 20).unwrap();
let mut event_pump = sdl_context.event_pump().unwrap();
let mut world = World::init();
'running: loop {
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
| Event::KeyDown {
keycode: Some(Keycode::Escape),
..
} => {
break 'running;
}
Event::KeyDown {
keycode: Some(Keycode::Up) | Some(Keycode::W),
..
} => {
world.move_up();
}
Event::KeyDown {
keycode: Some(Keycode::Down) | Some(Keycode::S),
..
} => {
world.move_down();
}
Event::KeyDown {
keycode: Some(Keycode::Left) | Some(Keycode::A),
..
} => {
world.move_left();
}
Event::KeyDown {
keycode: Some(Keycode::Right) | Some(Keycode::D),
..
} => {
world.move_right();
}
Event::KeyUp { .. } => {
world.stop_player();
}
_ => {}
}
}
if world.collides_with_lounge() && world.player.can_drink_glass() {
world.player.drink_glass()
}
let colliding_box_area = match world.collides_with_box_area() {
Some(BoxAreaPosition::RightTop) => Option::Some(&mut world.right_top_box_area),
Some(BoxAreaPosition::RightBottom) => Option::Some(&mut world.right_bottom_box_area),
Some(BoxAreaPosition::LeftBottom) => Option::Some(&mut world.left_bottom_box_area),
Some(BoxAreaPosition::LeftTop) => Option::Some(&mut world.left_top_box_area),
None => Option::None,
};
match colliding_box_area {
Some(ba) => {
let content = match &ba.content {
BoxAreaContent::HiddenBox => BoxAreaContent::random(),
BoxAreaContent::EmptyGlass => BoxAreaContent::EmptyGlass,
BoxAreaContent::FilledBottle => BoxAreaContent::FilledBottle,
_ => BoxAreaContent::Nothing,
};
if content == BoxAreaContent::EmptyGlass && world.player.can_pick_glass() {
ba.update_content(BoxAreaContent::Nothing);
world.player.pick_glass();
} else if content == BoxAreaContent::EmptyGlass && !world.player.can_pick_glass() {
ba.update_content(BoxAreaContent::EmptyGlass);
} else if content == BoxAreaContent::FilledBottle && world.player.can_fill_glass() {
ba.update_content(BoxAreaContent::EmptyBottle);
world.player.fill_glass();
} else if content == BoxAreaContent::FilledBottle && !world.player.can_fill_glass()
{
ba.update_content(BoxAreaContent::FilledBottle);
}
}
None => {}
}
if chrono::Utc::now().timestamp_millis() % 1000 > 950 {
world.update_box_areas();
}
world.render(&mut canvas, &texture, &font);
::std::thread::sleep(Duration::from_millis(25));
}
}

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pub mod player {
use crate::GLASS_SPACE;
use sdl2::rect::{Point, Rect};
pub struct Player {
pub position: Point,
direction: PlayerDirection,
footstep: u8,
pub empty_glasses: u8,
pub filled_glasses: u8,
pub points: u32,
}
enum PlayerDirection {
UP,
DOWN,
LEFT,
RIGHT,
}
impl Player {
pub fn init() -> Player {
return Player {
position: Point::new(380, 250),
direction: PlayerDirection::DOWN,
footstep: 0,
empty_glasses: 0,
filled_glasses: 0,
points: 0,
};
}
pub fn can_pick_glass(&self) -> bool {
self.empty_glasses + self.filled_glasses < GLASS_SPACE
}
pub fn pick_glass(&mut self) {
self.empty_glasses = self.empty_glasses + 1;
self.points = self.points + 2
}
pub fn can_fill_glass(&self) -> bool {
self.empty_glasses > 0
}
pub fn fill_glass(&mut self) {
self.empty_glasses = self.empty_glasses - 1;
self.filled_glasses = self.filled_glasses + 1;
self.points = self.points + 3
}
pub fn can_drink_glass(&self) -> bool {
self.filled_glasses > 0
}
pub fn drink_glass(&mut self) {
self.filled_glasses = self.filled_glasses - 1;
self.points = self.points + 5
}
pub fn center(&self) -> Point {
Point::new(self.position.x() + 19, self.position.y() + 56)
}
pub fn bounding_rect(&self) -> Rect {
Rect::new(self.position.x(), self.position.y(), 40, 115)
}
pub fn sprite(&self) -> Rect {
let x = match self.footstep {
1 => 60,
2 => 115,
_ => 5,
};
match self.direction {
PlayerDirection::DOWN => Rect::new(x, 5, 40, 115),
PlayerDirection::LEFT => Rect::new(x, 255, 40, 115),
PlayerDirection::RIGHT => Rect::new(x, 130, 40, 115),
PlayerDirection::UP => Rect::new(x, 380, 40, 115),
}
}
pub fn face_up(&mut self) {
self.direction = PlayerDirection::UP;
}
pub fn face_down(&mut self) {
self.direction = PlayerDirection::DOWN;
}
pub fn face_left(&mut self) {
self.direction = PlayerDirection::LEFT;
}
pub fn face_right(&mut self) {
self.direction = PlayerDirection::RIGHT;
}
pub fn move_up(&mut self) {
self.face_up();
self.footstep = &self.footstep % 2 + 1;
self.position.y = self.position.y - 15
}
pub fn move_down(&mut self) {
self.face_down();
self.footstep = &self.footstep % 2 + 1;
self.position.y = self.position.y + 15
}
pub fn move_left(&mut self) {
self.face_left();
self.footstep = &self.footstep % 2 + 1;
self.position.x = self.position.x - 15
}
pub fn move_right(&mut self) {
self.face_right();
self.footstep = &self.footstep % 2 + 1;
self.position.x = self.position.x + 15
}
pub fn stop(&mut self) {
self.footstep = 0;
}
}
}

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pub mod world {
use crate::{Player, GLASS_SPACE};
use sdl2::pixels::Color;
use sdl2::rect::{Point, Rect};
use sdl2::render::{Texture, WindowCanvas};
use sdl2::ttf::Font;
pub struct World {
pub player: Player,
pub right_top_box_area: BoxArea,
pub right_bottom_box_area: BoxArea,
pub left_bottom_box_area: BoxArea,
pub left_top_box_area: BoxArea,
stops: Vec<Point>,
}
impl World {
pub fn init() -> World {
World {
player: Player::init(),
right_top_box_area: BoxArea::new(
BoxAreaPosition::RightTop,
BoxAreaContent::EmptyGlass,
),
right_bottom_box_area: BoxArea::new(
BoxAreaPosition::RightBottom,
BoxAreaContent::HiddenBox,
),
left_bottom_box_area: BoxArea::new(
BoxAreaPosition::LeftBottom,
BoxAreaContent::Nothing,
),
left_top_box_area: BoxArea::new(BoxAreaPosition::LeftTop, BoxAreaContent::Nothing),
stops: vec![
Point::new(380, 60),
Point::new(590, 450),
Point::new(720, 300),
Point::new(20, 410),
Point::new(190, 560),
],
}
}
pub fn collides_with_box_area(&mut self) -> Option<BoxAreaPosition> {
if self.right_top_box_area.collides_with(&self.player) {
return Some(BoxAreaPosition::RightTop);
} else if self.right_bottom_box_area.collides_with(&self.player) {
return Some(BoxAreaPosition::RightBottom);
} else if self.left_bottom_box_area.collides_with(&self.player) {
return Some(BoxAreaPosition::LeftBottom);
} else if self.left_top_box_area.collides_with(&self.player) {
return Some(BoxAreaPosition::LeftTop);
}
None
}
pub fn collides_with_lounge(&mut self) -> bool {
let lounge_rect = Rect::new(325, 260, 150, 95);
lounge_rect.contains_point(self.player.center())
}
fn collides_with_stop(&mut self) -> bool {
for s in &self.stops {
let x = s.x() + 12;
let y = s.y() + 12;
if self.player.bounding_rect().contains_point(Point::new(x, y)) {
return true;
}
}
return false;
}
pub fn move_up(&mut self) {
if self.player.position.y > 50 {
self.player.move_up();
if self.collides_with_stop() {
self.player.move_down();
self.player.face_up();
}
}
}
pub fn move_down(&mut self) {
if self.player.position.y < 600 - 110 {
self.player.move_down();
if self.collides_with_stop() {
self.player.move_up();
self.player.face_down();
}
}
}
pub fn move_left(&mut self) {
if self.player.position.x > 0 {
self.player.move_left();
if self.collides_with_stop() {
self.player.move_right();
self.player.face_left();
}
}
}
pub fn move_right(&mut self) {
if self.player.position.x < 800 - 40 {
self.player.move_right();
if self.collides_with_stop() {
self.player.move_left();
self.player.face_right();
}
}
}
pub fn stop_player(&mut self) {
self.player.stop()
}
pub fn update_box_areas(&mut self) {
World::update_box_area(&mut self.right_top_box_area);
World::update_box_area(&mut self.right_bottom_box_area);
World::update_box_area(&mut self.left_bottom_box_area);
World::update_box_area(&mut self.left_top_box_area);
}
fn update_box_area(box_area: &mut BoxArea) {
let now = chrono::Utc::now().timestamp();
let r: i64 = (rand::random::<i64>() % 10) + 3;
if box_area.content == BoxAreaContent::Nothing && box_area.last_update + 10 < now {
box_area.content = BoxAreaContent::HiddenBox;
box_area.last_update = now;
} else if box_area.content != BoxAreaContent::Nothing
&& box_area.last_update + 30 < now - r
{
box_area.content = BoxAreaContent::Nothing;
box_area.last_update = now;
}
}
pub fn render(&self, canvas: &mut WindowCanvas, texture: &Texture, font: &Font) {
canvas.clear();
canvas.set_draw_color(Color::RGB(160, 90, 44));
canvas.fill_rect(Rect::new(0, 0, 800, 45));
canvas.set_draw_color(Color::RGB(206, 182, 115));
// Points/Glasses
(1..=GLASS_SPACE).for_each(|i| {
canvas.set_draw_color(Color::RGB(128, 51, 0));
canvas.fill_rect(Rect::new(5, 37, GLASS_SPACE as u32 * 25 + 5, 4));
if self.player.filled_glasses + self.player.empty_glasses >= i {
canvas.copy(
texture,
Rect::new(35, 510, 20, 25),
Rect::new((i as i32) * 25 - 15, 10, 20, 25),
);
}
if self.player.filled_glasses >= i {
canvas.copy(
texture,
Rect::new(5, 510, 20, 25),
Rect::new((i as i32) * 25 - 15, 10, 20, 25),
);
}
});
// Lounge
canvas.copy(
texture,
Rect::new(5, 700, 150, 95),
Rect::new(325, 260, 150, 95),
);
// Box Areas
self.right_top_box_area.render(canvas, texture);
self.right_bottom_box_area.render(canvas, texture);
self.left_bottom_box_area.render(canvas, texture);
self.left_top_box_area.render(canvas, texture);
// Decoration
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(235, 130, 25, 25),
);
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(120, 210, 25, 25),
);
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(535, 150, 25, 25),
);
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(435, 370, 25, 25),
);
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(235, 470, 25, 25),
);
canvas.copy(
texture,
Rect::new(130, 550, 25, 25),
Rect::new(555, 510, 25, 25),
);
// Stops
for s in &self.stops {
canvas.copy(
texture,
Rect::new(130, 510, 25, 25),
Rect::new(s.x(), s.y(), 25, 25),
);
}
// Player
canvas.copy(
texture,
self.player.sprite(),
Rect::new(self.player.position.x(), self.player.position.y(), 40, 115),
);
// Points
let x = font
.render(format!("Score: {:#04}", self.player.points).as_str())
.blended(Color::RGBA(246, 222, 155, 255))
.unwrap();
let t2 = canvas.texture_creator();
let t2 = t2.create_texture_from_surface(&x).unwrap();
canvas.copy(
&t2,
x.rect(),
Some(Rect::new(790 - x.width() as i32, 8, x.width(), x.height())),
);
canvas.set_draw_color(Color::RGB(206, 182, 115));
canvas.present();
}
}
#[derive(Debug)]
pub struct BoxArea {
position: BoxAreaPosition,
pub content: BoxAreaContent,
last_update: i64,
}
impl BoxArea {
fn new(position: BoxAreaPosition, content: BoxAreaContent) -> BoxArea {
return BoxArea {
position,
content,
last_update: chrono::Utc::now().timestamp(),
};
}
pub fn update_content(&mut self, content: BoxAreaContent) {
self.content = content;
self.last_update = chrono::Utc::now().timestamp();
}
fn bounding_rect(&self) -> Rect {
let x_offset = match self.position {
BoxAreaPosition::RightTop => 685,
BoxAreaPosition::RightBottom => 685,
BoxAreaPosition::LeftBottom => 5,
BoxAreaPosition::LeftTop => 5,
};
let y_offset = match self.position {
BoxAreaPosition::RightTop => 50,
BoxAreaPosition::RightBottom => 480,
BoxAreaPosition::LeftBottom => 480,
BoxAreaPosition::LeftTop => 50,
};
Rect::new(x_offset, y_offset, 110, 110)
}
fn enter_rect(&self) -> Rect {
match self.position {
BoxAreaPosition::RightTop => {
Rect::new(self.bounding_rect().x(), self.bounding_rect().y(), 25, 110)
}
BoxAreaPosition::RightBottom => {
Rect::new(self.bounding_rect().x(), self.bounding_rect().y(), 25, 110)
}
BoxAreaPosition::LeftBottom => Rect::new(
self.bounding_rect().x() + 85,
self.bounding_rect().y(),
25,
110,
),
BoxAreaPosition::LeftTop => Rect::new(
self.bounding_rect().x() + 85,
self.bounding_rect().y(),
25,
110,
),
}
}
fn collides_with(&self, player: &Player) -> bool {
self.bounding_rect().contains_point(player.center())
}
fn render(&self, canvas: &mut WindowCanvas, texture: &Texture) {
let x_offset = self.bounding_rect().x();
let y_offset = self.bounding_rect().y();
// Border
canvas.copy(
texture,
Rect::new(70, 510, 50, 25),
Rect::new(x_offset + 30, y_offset, 50, 25),
);
canvas.copy(
texture,
Rect::new(70, 510, 50, 25),
Rect::new(x_offset + 30, y_offset + 85, 50, 25),
);
let dst = match self.position {
BoxAreaPosition::RightTop => Rect::new(x_offset + 85, y_offset + 30, 25, 50),
BoxAreaPosition::RightBottom => Rect::new(x_offset + 85, y_offset + 30, 25, 50),
BoxAreaPosition::LeftBottom => Rect::new(x_offset, y_offset + 30, 25, 50),
BoxAreaPosition::LeftTop => Rect::new(x_offset, y_offset + 30, 25, 50),
};
canvas.copy(texture, Rect::new(70, 550, 25, 50), dst);
// Box
let box_src = match self.content {
BoxAreaContent::Nothing => Rect::new(70, 620, 50, 50),
BoxAreaContent::HiddenBox => Rect::new(5, 620, 50, 50),
BoxAreaContent::EmptyGlass => Rect::new(35, 510, 20, 25),
BoxAreaContent::FilledBottle => Rect::new(5, 550, 20, 50),
BoxAreaContent::EmptyBottle => Rect::new(35, 550, 20, 50),
};
let (box_width, box_height) = match self.content {
BoxAreaContent::Nothing => (50, 50),
BoxAreaContent::HiddenBox => (50, 50),
BoxAreaContent::EmptyGlass => (20, 25),
BoxAreaContent::FilledBottle => (20, 50),
BoxAreaContent::EmptyBottle => (20, 50),
};
canvas.copy(
texture,
box_src,
Rect::new(
x_offset + 30 + (50 - box_width) / 2,
y_offset + 30 + (50 - box_height) / 2,
box_width as u32,
box_height as u32,
),
);
}
}
#[derive(Debug)]
pub enum BoxAreaPosition {
RightTop,
RightBottom,
LeftBottom,
LeftTop,
}
#[derive(Debug, PartialEq, Eq)]
pub enum BoxAreaContent {
Nothing,
HiddenBox,
EmptyGlass,
FilledBottle,
EmptyBottle,
}
impl BoxAreaContent {
pub fn random() -> BoxAreaContent {
match rand::random::<i32>() % 5 {
1 | 4 => BoxAreaContent::EmptyGlass,
2 | 3 => BoxAreaContent::FilledBottle,
_ => BoxAreaContent::Nothing,
}
}
}
}