From e16e5008814f0d1cfd7c557a7c8f6c5ddf548d16 Mon Sep 17 00:00:00 2001
From: Davis Silverman <sinistersnare@gmail.com>
Date: Fri, 1 May 2015 20:21:18 -0400
Subject: [PATCH] Piston Renderer example.
---
.gitignore | 1 +
.travis.yml | 5 +++
Cargo.toml | 21 +++++++++++-
examples/piston.rs | 82 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 108 insertions(+), 1 deletion(-)
create mode 100644 examples/piston.rs
diff --git a/.gitignore b/.gitignore
index 704eab2..cc6f63b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ tags
target
Cargo.lock
*.swp
+*.dll
diff --git a/.travis.yml b/.travis.yml
index 065a643..4bc2697 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,11 @@ env:
global:
- secure: zpxgR0Nn7YhCRXPjfR/gcdxAObeJLBoRMW0qeKiyuc4V6Y1guZ9EfnvJ5uL4pRXnP0LZrXm/WwYicXm7J0vTwQwq/4Bf0NXykysZfVrHFTY5Wook/QXJd8OajCwuJa8d/wr6Dx/wGe/80gi8hZibraMS5QkWKgtzz9HCFLM99uw=
language: rust
+before_install:
+ - sudo add-apt-repository ppa:team-xbmc/ppa -y
+ - sudo apt-get update -qq
+install:
+ - sudo apt-get install libsdl2-dev
script:
- cargo build
- cargo test
diff --git a/Cargo.toml b/Cargo.toml
index 8b200ae..4d4900f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,26 @@ path = "src/lib.rs"
name = "example"
path = "examples/main.rs"
+[[example]]
+name = "piston"
+path = "examples/piston.rs"
+
[dependencies]
flate2 = "*"
rustc-serialize = "*"
-xml-rs = "*"
+
+[dependencies.xml-rs]
+git = "https://github.com/netvl/xml-rs.git"
+
+
+[dev-dependencies.pistoncore-sdl2_window]
+git = "https://github.com/pistondevelopers/sdl2_window"
+
+[dev-dependencies.piston]
+git = "https://github.com/pistondevelopers/piston"
+
+[dev-dependencies.piston2d-graphics]
+git = "https://github.com/pistondevelopers/graphics"
+
+[dev-dependencies.piston2d-opengl_graphics]
+git = "https://github.com/pistondevelopers/opengl_graphics"
diff --git a/examples/piston.rs b/examples/piston.rs
new file mode 100644
index 0000000..e689317
--- /dev/null
+++ b/examples/piston.rs
@@ -0,0 +1,82 @@
+extern crate piston;
+extern crate graphics;
+extern crate sdl2_window;
+extern crate opengl_graphics;
+extern crate tiled;
+
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::path::Path;
+use std::fs::File;
+
+use sdl2_window::Sdl2Window;
+use opengl_graphics::{
+ OpenGL,
+ Texture,
+};
+use graphics::{Image, Graphics, default_draw_state};
+use graphics::math::Matrix2d;
+use piston::event::*;
+
+fn main() {
+ let (width, height) = (500, 500);
+ let opengl = OpenGL::_3_2;
+ let window = Sdl2Window::new(
+ opengl,
+ piston::window::WindowSettings::new(
+ "Tiled + Piston Example".to_string(),
+ piston::window::Size {width: width, height: height}
+ ).exit_on_esc(true)
+ );
+ let window = Rc::new(RefCell::new(window));
+ let ref mut gl = opengl_graphics::GlGraphics::new(opengl);
+ let mut blank_image = Image::new();
+
+ let tmx_file = File::open(&Path::new("assets/tiled_base64_zlib.tmx")).ok().expect("could not open tmx");
+ let tmx_map = tiled::parse(tmx_file).unwrap();
+ let image_path = Path::new("assets/tilesheet.png");
+ let image_tex = Texture::from_path(&image_path).unwrap();
+
+ for e in window.events() {
+ use piston::event::{RenderEvent};
+
+ if let Some(args) = e.render_args() {
+ gl.draw(args.viewport(), |c, gl| {
+ graphics::clear([0.0, 0.0, 0.0, 1.0], gl);
+ render_tiled_map(&tmx_map, &image_tex, &mut blank_image, c.transform, gl);
+ });
+ }
+ }
+}
+
+fn render_tiled_map<G>(map: &tiled::Map,
+ image_tex: &<G as Graphics>::Texture,
+ drawn_image: &mut Image,
+ transform: Matrix2d,
+ g: &mut G)
+ where G: Graphics
+{
+ let ref tile_set = map.tilesets[0];
+ let (tile_width, tile_height) = (tile_set.tile_width, tile_set.tile_height);
+ let tiles_in_row = (tile_set.images[0].width + tile_set.spacing as i32 )/ (tile_width as i32 + tile_set.spacing as i32);
+
+ for layer in map.layers.iter() {
+ for (i, tile_row) in layer.tiles.iter().enumerate() {
+ for (j, tile_val) in tile_row.iter().enumerate() {
+ if *tile_val == 0 {
+ continue;
+ }
+ let tile_x = *tile_val % tiles_in_row as u32 - 1;
+ let tile_y = *tile_val / tiles_in_row as u32;
+
+ let pixel_x = ((tile_x) * tile_width) + ((tile_x) * tile_set.spacing);
+ let pixel_y = ((tile_y) * tile_height) + ((tile_y) * tile_set.spacing);
+
+ drawn_image.src_rect([pixel_x as i32, pixel_y as i32, tile_width as i32, tile_height as i32])
+ .rect([j as f64 * tile_width as f64, i as f64 * tile_height as f64,
+ tile_width as f64, tile_height as f64])
+ .draw(image_tex, default_draw_state(), transform, g);
+ }
+ }
+ }
+}
--
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