14 files changed, 127 insertions, 74 deletions
diff --git a/stockton-skeleton/src/components/mod.rs b/stockton-skeleton/src/components/mod.rs
new file mode 100644
index 0000000..74e5a69
--- /dev/null
+++ b/stockton-skeleton/src/components/mod.rs
@@ -0,0 +1,61 @@
+use na::{Mat4, Vec4};
+use std::f32::consts::PI;
+
+use crate::types::Vector3;
+
+/// 90 degrees in radians
+const R89: f32 = (PI / 180.0) * 89.0;
+
+/// 180 degrees in radians
+const R180: f32 = PI;
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub struct Transform {
+    /// Position of the object
+    pub position: Vector3,
+
+    /// Rotation of the object (euler angles in radians)
+    pub rotation: Vector3,
+}
+
+impl Transform {
+    pub fn rotate(&mut self, vec: Vector3) {
+        self.rotation += vec;
+
+        // Clamp -pi/2 < pitch < pi/2
+        if self.rotation.x > R89 {
+            self.rotation.x = R89;
+        } else if self.rotation.x <= -R89 {
+            self.rotation.x = -R89;
+        }
+
+        // -pi < yaw <= pi
+        if self.rotation.y <= -R180 {
+            self.rotation.y = R180 - self.rotation.y % -R180;
+        } else if self.rotation.y > 180.0 {
+            self.rotation.y = -R180 + self.rotation.y % R180;
+        }
+    }
+
+    pub fn translate(&mut self, delta: Vector3) {
+        let rot_matrix =
+            Mat4::from_euler_angles(-self.rotation.x, self.rotation.y, self.rotation.z);
+
+        let new = rot_matrix * Vec4::new(delta.x, delta.y, delta.z, 1.0);
+        self.position.x += new.x;
+        self.position.y += new.y;
+        self.position.z += new.z;
+    }
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub struct CameraSettings {
+    /// FOV (radians)
+    pub fov: f32,
+
+    /// Near clipping plane (world units)
+    pub near: f32,
+
+    /// Far clipping plane (world units)
+    pub far: f32,
+}
diff --git a/stockton-skeleton/src/context.rs b/stockton-skeleton/src/context.rs
index 72b15c7..943e0dc 100644
--- a/stockton-skeleton/src/context.rs
+++ b/stockton-skeleton/src/context.rs
@@ -35,10 +35,9 @@ use crate::{
     mem::MemoryPool,
     queue_negotiator::{QueueFamilyNegotiator, QueueFamilySelector, SharedQueue},
     types::*,
+    session::Session
 };
 
-use stockton_types::Session;
-
 /// The actual data behind [`StatefulRenderingContext`]
 struct InnerRenderingContext {
     /// Vulkan Instance
diff --git a/stockton-skeleton/src/draw_passes/cons.rs b/stockton-skeleton/src/draw_passes/cons.rs
index dea42af..f6c3d1b 100644
--- a/stockton-skeleton/src/draw_passes/cons.rs
+++ b/stockton-skeleton/src/draw_passes/cons.rs
@@ -2,8 +2,7 @@
 //! Note that this can be extended to an arbitrary amount of draw passes.
 
 use super::{Beginning, DrawPass, End, IntoDrawPass, Middle, Singular};
-use crate::{context::RenderingContext, queue_negotiator::QueueFamilyNegotiator, types::*};
-use stockton_types::Session;
+use crate::{session::Session, context::RenderingContext, queue_negotiator::QueueFamilyNegotiator, types::*};
 
 use anyhow::Result;
 
diff --git a/stockton-skeleton/src/draw_passes/mod.rs b/stockton-skeleton/src/draw_passes/mod.rs
index 5b138c2..9a13c73 100644
--- a/stockton-skeleton/src/draw_passes/mod.rs
+++ b/stockton-skeleton/src/draw_passes/mod.rs
@@ -1,12 +1,11 @@
 //! Traits and common draw passes.
 use std::ops::Range;
 
-use crate::{context::RenderingContext, queue_negotiator::QueueFamilyNegotiator, types::*};
+use crate::{context::RenderingContext, queue_negotiator::QueueFamilyNegotiator, types::*, session::Session};
 use hal::{
     image::Layout,
     pass::{AttachmentLoadOp, AttachmentOps, AttachmentStoreOp},
 };
-use stockton_types::Session;
 
 use anyhow::Result;
 
diff --git a/stockton-skeleton/src/lib.rs b/stockton-skeleton/src/lib.rs
index 2b6fe70..d57c5f6 100644
--- a/stockton-skeleton/src/lib.rs
+++ b/stockton-skeleton/src/lib.rs
@@ -17,15 +17,17 @@ mod target;
 pub mod texture;
 pub mod types;
 pub mod utils;
+pub mod components;
+pub mod session;
 
-use std::mem::ManuallyDrop;
-
-use context::RenderingContext;
-use draw_passes::{DrawPass, IntoDrawPass, Singular};
+pub use context::RenderingContext;
+pub use session::Session;
+pub use draw_passes::{DrawPass, IntoDrawPass, PassPosition};
+pub use anyhow::Result;
 
-use anyhow::{Context, Result};
-
-use stockton_types::Session;
+use draw_passes::Singular;
+use std::mem::ManuallyDrop;
+use anyhow::{Context};
 use winit::window::Window;
 
 /// Renders a world to a window when you tell it to.
diff --git a/stockton-skeleton/src/session.rs b/stockton-skeleton/src/session.rs
new file mode 100644
index 0000000..5b91739
--- /dev/null
+++ b/stockton-skeleton/src/session.rs
@@ -0,0 +1,33 @@
+//! The thing you play on and all the associated state.
+
+use legion::systems::Builder;
+use legion::*;
+
+/// A loaded world.
+pub struct Session {
+    pub world: World,
+    pub resources: Resources,
+    schedule: Schedule,
+}
+
+impl Session {
+    /// The level can be any format, as long as it has the required features of a bsp.
+    pub fn new<S: FnOnce(&mut Builder)>(add_systems: S) -> Session {
+        let world = World::default();
+
+        let resources = Resources::default();
+        let mut schedule = Schedule::builder();
+        add_systems(&mut schedule);
+        let schedule = schedule.build();
+
+        Session {
+            world,
+            resources,
+            schedule,
+        }
+    }
+
+    pub fn do_update(&mut self) {
+        self.schedule.execute(&mut self.world, &mut self.resources);
+    }
+}
diff --git a/stockton-skeleton/src/target.rs b/stockton-skeleton/src/target.rs
index 647aa96..23f56b9 100644
--- a/stockton-skeleton/src/target.rs
+++ b/stockton-skeleton/src/target.rs
@@ -5,8 +5,8 @@ use crate::{
     context::ContextProperties,
     draw_passes::{DrawPass, Singular},
     types::*,
+    session::Session
 };
-use stockton_types::Session;
 
 use std::{
     borrow::Borrow,
diff --git a/stockton-skeleton/src/texture/image.rs b/stockton-skeleton/src/texture/image.rs
index f984b72..6ccd22a 100644
--- a/stockton-skeleton/src/texture/image.rs
+++ b/stockton-skeleton/src/texture/image.rs
@@ -41,3 +41,11 @@ impl LoadableImage for RgbaImage {
         copy_nonoverlapping(row.as_ptr(), ptr, row.len());
     }
 }
+
+/// An object that can be used to resolve a texture from a BSP File
+pub trait TextureResolver {
+    type Image: LoadableImage;
+
+    /// Get the given texture, or None if it's corrupt/not there.
+    fn resolve(&mut self, texture_id: u32) -> Option<Self::Image>;
+}
diff --git a/stockton-skeleton/src/texture/load.rs b/stockton-skeleton/src/texture/load.rs
index c4d3b72..80c332e 100644
--- a/stockton-skeleton/src/texture/load.rs
+++ b/stockton-skeleton/src/texture/load.rs
@@ -1,6 +1,6 @@
 use std::sync::{Arc, RwLock};
 
-use super::{block::TexturesBlock, repo::BLOCK_SIZE, resolver::TextureResolver, LoadableImage};
+use super::{block::TexturesBlock, repo::BLOCK_SIZE, TextureResolver, LoadableImage};
 use crate::{
     buffers::{
         image::{ImageSpec, SampledImage, COLOR_RESOURCES},
diff --git a/stockton-skeleton/src/texture/loader.rs b/stockton-skeleton/src/texture/loader.rs
index 6de4a4d..6212492 100644
--- a/stockton-skeleton/src/texture/loader.rs
+++ b/stockton-skeleton/src/texture/loader.rs
@@ -6,7 +6,7 @@ use super::{
         load_image, QueuedLoad, TextureLoadConfig, TextureLoadError, FORMAT, LAYERS, RESOURCES,
     },
     repo::BLOCK_SIZE,
-    resolver::TextureResolver,
+    TextureResolver,
     PIXEL_SIZE,
 };
 use crate::{
diff --git a/stockton-skeleton/src/texture/mod.rs b/stockton-skeleton/src/texture/mod.rs
index 10fbbad..c5306ce 100644
--- a/stockton-skeleton/src/texture/mod.rs
+++ b/stockton-skeleton/src/texture/mod.rs
@@ -5,10 +5,9 @@ mod image;
 mod load;
 mod loader;
 mod repo;
-pub mod resolver;
 
 pub use self::block::TexturesBlock;
-pub use self::image::LoadableImage;
+pub use self::image::{LoadableImage, TextureResolver};
 pub use self::load::TextureLoadConfig;
 pub use self::loader::BlockRef;
 pub use self::repo::{TexLoadQueue, TextureRepo};
diff --git a/stockton-skeleton/src/texture/repo.rs b/stockton-skeleton/src/texture/repo.rs
index 22fc099..bd36a1e 100644
--- a/stockton-skeleton/src/texture/repo.rs
+++ b/stockton-skeleton/src/texture/repo.rs
@@ -2,7 +2,7 @@ use super::{
     block::TexturesBlock,
     load::TextureLoadConfig,
     loader::{BlockRef, LoaderRequest, TextureLoader, TextureLoaderRemains, NUM_SIMULTANEOUS_CMDS},
-    resolver::TextureResolver,
+    TextureResolver,
 };
 use crate::types::*;
 use crate::{context::RenderingContext, error::LockPoisoned, mem::MappableBlock};
diff --git a/stockton-skeleton/src/texture/resolver.rs b/stockton-skeleton/src/texture/resolver.rs
deleted file mode 100644
index f66b724..0000000
--- a/stockton-skeleton/src/texture/resolver.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-//! Resolves a texture in a BSP File to an image
-
-use crate::texture::image::LoadableImage;
-use stockton_levels::{parts::IsTexture, prelude::HasTextures};
-
-use std::{
-    path::Path,
-    sync::{Arc, RwLock},
-};
-
-use image::{io::Reader, RgbaImage};
-
-/// An object that can be used to resolve a texture from a BSP File
-pub trait TextureResolver {
-    type Image: LoadableImage;
-
-    /// Get the given texture, or None if it's corrupt/not there.
-    fn resolve(&mut self, texture_id: u32) -> Option<Self::Image>;
-}
-
-/// A basic filesystem resolver which gets the texture name from any HasTextures Object.
-pub struct FsResolver<'a, T: HasTextures> {
-    path: &'a Path,
-    map_lock: Arc<RwLock<T>>,
-}
-
-impl<'a, T: HasTextures> FsResolver<'a, T> {
-    pub fn new(path: &'a Path, map_lock: Arc<RwLock<T>>) -> Self {
-        FsResolver { path, map_lock }
-    }
-}
-
-impl<'a, T: HasTextures> TextureResolver for FsResolver<'a, T> {
-    type Image = RgbaImage;
-
-    fn resolve(&mut self, tex: u32) -> Option<Self::Image> {
-        let map = self.map_lock.read().unwrap();
-        let tex = map.get_texture(tex)?;
-        let path = self.path.join(&tex.name());
-
-        // drop(tex);
-        // drop(map);
-
-        if let Ok(file) = Reader::open(path) {
-            if let Ok(guessed) = file.with_guessed_format() {
-                if let Ok(decoded) = guessed.decode() {
-                    return Some(decoded.into_rgba8());
-                }
-            }
-        }
-
-        log::warn!("Couldn't resolve texture {:?}", tex.name());
-        None
-    }
-}
diff --git a/stockton-skeleton/src/types.rs b/stockton-skeleton/src/types.rs
index 03c6e37..d3cf316 100644
--- a/stockton-skeleton/src/types.rs
+++ b/stockton-skeleton/src/types.rs
@@ -33,3 +33,11 @@ pub type DynamicAllocator = rendy_memory::DynamicAllocator<back::Backend>;
 pub type DynamicBlock = rendy_memory::DynamicBlock<back::Backend>;
 
 pub type RDescriptorSet = rendy_descriptor::DescriptorSet<back::Backend>;
+
+pub type Vector2 = na::Vec2;
+pub type Vector3 = na::Vec3;
+
+pub type Vector2i = na::IVec2;
+pub type Vector3i = na::IVec3;
+
+pub type Matrix4 = na::Mat4x4;