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Make hotbar blocks 3D
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Sijmen 2021-06-11 16:59:48 +02:00
parent 59e4172083
commit bba3c52228
Signed by: vijfhoek
GPG key ID: 82D05C89B28B0DAE
5 changed files with 128 additions and 37 deletions
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108
src/hud/hotbar_hud.rs
View file

@ -70,26 +70,108 @@ impl HotbarHud {
let mut vertices = Vec::new();
let mut indices = Vec::new();
let mut index = 0;
for cursor_index in 0..9 {
if let Some(block) = self.blocks[cursor_index as usize] {
let x = (-92 + 20 * cursor_index as i32) as f32;
let texture_index = block.texture_indices().2.try_into().unwrap();
let mut index_offset = 0;
for slot in 0..9 {
if let Some(block) = self.blocks[slot as usize] {
let x = (-92 + 20 * slot as i32) as f32;
let texture_indices = block.texture_indices();
#[rustfmt::skip]
vertices.extend(&[
HudVertex { position: [UI_SCALE_X * (x + 5.0), -1.0 + UI_SCALE_Y * 18.0], texture_coordinates: [0.0, 0.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x + 19.0), -1.0 + UI_SCALE_Y * 18.0], texture_coordinates: [1.0, 0.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x + 19.0), -1.0 + UI_SCALE_Y * 4.0], texture_coordinates: [1.0, 1.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x + 5.0), -1.0 + UI_SCALE_Y * 4.0], texture_coordinates: [0.0, 1.0], texture_index },
// Left face
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 3.5],
texture_coordinates: [1.0, 1.0],
texture_index: texture_indices.0 as i32,
value: 0.5,
},
HudVertex {
position: [UI_SCALE_X * (x + 5.0), -1.0 + UI_SCALE_Y * 6.5],
texture_coordinates: [0.0, 1.0],
texture_index: texture_indices.0 as i32,
value: 0.5,
},
HudVertex {
position: [UI_SCALE_X * (x + 5.0), -1.0 + UI_SCALE_Y * 15.5],
texture_coordinates: [0.0, 0.0],
texture_index: texture_indices.0 as i32,
value: 0.5,
},
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 12.5],
texture_coordinates: [1.0, 0.0],
texture_index: texture_indices.0 as i32,
value: 0.5,
},
// Front face
HudVertex {
position: [UI_SCALE_X * (x + 19.0), -1.0 + UI_SCALE_Y * 15.5],
texture_coordinates: [1.0, 0.0],
texture_index: texture_indices.3 as i32,
value: 0.15,
},
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 12.5],
texture_coordinates: [0.0, 0.0],
texture_index: texture_indices.3 as i32,
value: 0.15,
},
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 3.5],
texture_coordinates: [0.0, 1.0],
texture_index: texture_indices.3 as i32,
value: 0.15,
},
HudVertex {
position: [UI_SCALE_X * (x + 19.0), -1.0 + UI_SCALE_Y * 6.5],
texture_coordinates: [1.0, 1.0],
texture_index: texture_indices.3 as i32,
value: 0.15,
},
// Top face
HudVertex {
position: [UI_SCALE_X * (x + 19.0), -1.0 + UI_SCALE_Y * 15.5],
texture_coordinates: [1.0, 0.0],
texture_index: texture_indices.5 as i32,
value: 1.0,
},
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 18.5],
texture_coordinates: [0.0, 0.0],
texture_index: texture_indices.5 as i32,
value: 1.0,
},
HudVertex {
position: [UI_SCALE_X * (x + 5.0), -1.0 + UI_SCALE_Y * 15.5],
texture_coordinates: [0.0, 1.0],
texture_index: texture_indices.5 as i32,
value: 1.0,
},
HudVertex {
position: [UI_SCALE_X * (x + 12.0), -1.0 + UI_SCALE_Y * 12.5],
texture_coordinates: [1.0, 1.0],
texture_index: texture_indices.5 as i32,
value: 1.0,
},
]);
#[rustfmt::skip]
indices.extend(&[
index, 2 + index, 1 + index,
index, 3 + index, 2 + index,
// Left face
2 + index_offset, index_offset, 1 + index_offset,
3 + index_offset, index_offset, 2 + index_offset,
// Right face
6 + index_offset, 4 + index_offset, 5 + index_offset,
7 + index_offset, 4 + index_offset, 6 + index_offset,
// Top face
10 + index_offset, 8 + index_offset, 9 + index_offset,
11 + index_offset, 8 + index_offset, 10 + index_offset,
]);
index += 4;
index_offset += 12;
}
}

33
src/hud/widgets_hud.rs
View file

@ -112,13 +112,14 @@ impl WidgetsHud {
pub fn redraw_hotbar_cursor(&self, render_context: &RenderContext) {
let x = (-92 + 20 * self.hotbar_cursor_position as i32) as f32;
let texture_index = 0;
let value = 1.0;
#[rustfmt::skip]
let vertices = [
HudVertex { position: [UI_SCALE_X * (x ), -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x + 24.0), -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 24.0 / 256.0, 22.0 / 256.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x + 24.0), -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 24.0 / 256.0, 46.0 / 256.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x ), -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 0.0 / 256.0, 46.0 / 256.0], texture_index },
HudVertex { position: [UI_SCALE_X * (x ), -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index, value },
HudVertex { position: [UI_SCALE_X * (x + 24.0), -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 24.0 / 256.0, 22.0 / 256.0], texture_index, value },
HudVertex { position: [UI_SCALE_X * (x + 24.0), -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 24.0 / 256.0, 46.0 / 256.0], texture_index, value },
HudVertex { position: [UI_SCALE_X * (x ), -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 0.0 / 256.0, 46.0 / 256.0], texture_index, value },
];
render_context.queue.write_buffer(
@ -142,22 +143,22 @@ impl WidgetsHud {
#[rustfmt::skip]
pub const VERTICES: [HudVertex; 12] = [
// Crosshair
HudVertex { position: [UI_SCALE_X * -8.0, UI_SCALE_Y * 8.0], texture_coordinates: [240.0 / 256.0, 0.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * 8.0, UI_SCALE_Y * 8.0], texture_coordinates: [ 1.0, 0.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * 8.0, UI_SCALE_Y * -8.0], texture_coordinates: [ 1.0, 16.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -8.0, UI_SCALE_Y * -8.0], texture_coordinates: [240.0 / 256.0, 16.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -8.0, UI_SCALE_Y * 8.0], texture_coordinates: [240.0 / 256.0, 0.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * 8.0, UI_SCALE_Y * 8.0], texture_coordinates: [ 1.0, 0.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * 8.0, UI_SCALE_Y * -8.0], texture_coordinates: [ 1.0, 16.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * -8.0, UI_SCALE_Y * -8.0], texture_coordinates: [240.0 / 256.0, 16.0 / 256.0], texture_index: 0, value: 1.0 },
// Hotbar
HudVertex { position: [UI_SCALE_X * -91.0, -1.0 + UI_SCALE_Y * 22.0], texture_coordinates: [ 0.0 / 256.0, 0.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * 91.0, -1.0 + UI_SCALE_Y * 22.0], texture_coordinates: [182.0 / 256.0, 0.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * 91.0, -1.0 ], texture_coordinates: [182.0 / 256.0, 22.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -91.0, -1.0 ], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -91.0, -1.0 + UI_SCALE_Y * 22.0], texture_coordinates: [ 0.0 / 256.0, 0.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * 91.0, -1.0 + UI_SCALE_Y * 22.0], texture_coordinates: [182.0 / 256.0, 0.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * 91.0, -1.0 ], texture_coordinates: [182.0 / 256.0, 22.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * -91.0, -1.0 ], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index: 0, value: 1.0 },
// Hotbar cursor
HudVertex { position: [UI_SCALE_X * -92.0, -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -68.0, -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 24.0 / 256.0, 22.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -68.0, -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 24.0 / 256.0, 46.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -92.0, -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 0.0 / 256.0, 46.0 / 256.0], texture_index: 0 },
HudVertex { position: [UI_SCALE_X * -92.0, -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 0.0 / 256.0, 22.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * -68.0, -1.0 + UI_SCALE_Y * 23.0], texture_coordinates: [ 24.0 / 256.0, 22.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * -68.0, -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 24.0 / 256.0, 46.0 / 256.0], texture_index: 0, value: 1.0 },
HudVertex { position: [UI_SCALE_X * -92.0, -1.0 + UI_SCALE_Y * -1.0], texture_coordinates: [ 0.0 / 256.0, 46.0 / 256.0], texture_index: 0, value: 1.0 },
];
#[rustfmt::skip]

6
src/shaders/ui.wgsl
View file

@ -2,12 +2,14 @@ struct VertexInput {
[[location(0)]] position: vec2<f32>;
[[location(1)]] texture_coordinates: vec2<f32>;
[[location(2)]] texture_index: i32;
[[location(3)]] value: f32;
};
struct VertexOutput {
[[builtin(position)]] clip_position: vec4<f32>;
[[location(0)]] texture_coordinates: vec2<f32>;
[[location(1)]] texture_index: i32;
[[location(2)]] value: f32;
};
[[stage(vertex)]]
@ -16,6 +18,7 @@ fn main(model: VertexInput) -> VertexOutput {
out.texture_coordinates = model.texture_coordinates;
out.clip_position = vec4<f32>(model.position, 0.0, 1.0);
out.texture_index = model.texture_index;
out.value = model.value;
return out;
}
@ -24,5 +27,6 @@ fn main(model: VertexInput) -> VertexOutput {
[[stage(fragment)]]
fn main(in: VertexOutput) -> [[location(0)]] vec4<f32> {
return textureSample(texture, sampler, in.texture_coordinates, in.texture_index);
return textureSample(texture, sampler, in.texture_coordinates, in.texture_index)
* vec4<f32>(vec3<f32>(in.value), 1.0);
}

8
src/text_renderer.rs
View file

@ -107,10 +107,10 @@ impl TextRenderer {
#[rustfmt::skip]
let vertices = [
HudVertex { position: [x, y ], texture_coordinates: [tx, ty ], texture_index: 0 },
HudVertex { position: [x + DX, y ], texture_coordinates: [tx + s, ty ], texture_index: 0 },
HudVertex { position: [x + DX, y - DY], texture_coordinates: [tx + s, ty + s], texture_index: 0 },
HudVertex { position: [x, y - DY], texture_coordinates: [tx, ty + s], texture_index: 0 },
HudVertex { position: [x, y ], texture_coordinates: [tx, ty ], texture_index: 0, value: 1.0 },
HudVertex { position: [x + DX, y ], texture_coordinates: [tx + s, ty ], texture_index: 0, value: 1.0 },
HudVertex { position: [x + DX, y - DY], texture_coordinates: [tx + s, ty + s], texture_index: 0, value: 1.0 },
HudVertex { position: [x, y - DY], texture_coordinates: [tx, ty + s], texture_index: 0, value: 1.0 },
];
#[rustfmt::skip]

10
src/vertex.rs
View file

@ -30,21 +30,25 @@ impl Vertex for PlainVertex {
}
}
/// Vertex used to represent HUD vertices.
/// Represents a vertex in HUD geometry.
///
/// A vertex with a 2D position and no normal, for representing UI elements.
/// Used to bind vertex information to shaders with a 2D position, texture
/// coordinates and index (for texture arrays) and a value (for dimming e.g.
/// the sides on blocks in inventories)
#[repr(C)]
#[derive(Copy, Clone, Debug, Default, bytemuck::Pod, bytemuck::Zeroable)]
pub struct HudVertex {
pub position: [f32; 2],
pub texture_coordinates: [f32; 2],
pub texture_index: i32,
pub value: f32,
}
const HUD_VERTEX_ATTRIBUTES: &[VertexAttribute] = &wgpu::vertex_attr_array![
0 => Float32x2,
1 => Float32x2,
2 => Sint32,
3 => Float32,
];
impl Vertex for HudVertex {
@ -57,7 +61,7 @@ impl Vertex for HudVertex {
}
}
/// Vertex used to represent block vertices.
/// Represents a vertex in world geometry.
///
/// Aside from the usual vertex position, texture coordinates and normal, this "vertex" also
/// contains whether the block is highlighted (i.e. the player is pointing at the block) and its