Grimsace/Grim_Rune_Terrain_Generator
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added a composite image

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This commit is contained in:
grimsace
2026-04-22 13:22:39 -05:00
parent fc399095bd
commit 5ad1253b90
2 changed files with 103 additions and 17 deletions
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src/app.rs
+55 -17
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@@ -18,16 +18,18 @@ enum LeftTab {
#[derive(Copy, Clone, Eq, PartialEq)]
enum PreviewFocus {
TerrainComposite,
TerrainColor,
Heightmap,
Bumpmap,
TerrainColor,
}
#[derive(Clone)]
struct TextureSet {
terrain_composite: TextureHandle,
terrain_color: TextureHandle,
heightmap: TextureHandle,
bumpmap: TextureHandle,
terrain_color: TextureHandle,
}
pub struct TerrainApp {
@@ -49,7 +51,7 @@ impl TerrainApp {
Self {
params: GenerationParams::default(),
generation_tab: LeftTab::Generation,
preview_focus: PreviewFocus::TerrainColor,
preview_focus: PreviewFocus::TerrainComposite,
hovered_preview: None,
textures: None,
generated: None,
@@ -90,7 +92,7 @@ impl TerrainApp {
match receiver.try_recv() {
Ok(Ok(images)) => {
self.status_message = format!(
"Generated {}x{} heightmap, bumpmap, and terrain color.",
"Generated {}x{} heightmap, bumpmap, terrain color, and composite.",
images.width, images.height
);
self.install_textures(ctx, &images);
@@ -144,16 +146,22 @@ impl TerrainApp {
fn install_textures(&mut self, ctx: &Context, images: &GeneratedImages) {
let heightmap = gray_to_color_image(&images.heightmap_image);
let bumpmap = gray_to_color_image(&images.bumpmap_image);
let terrain_composite = rgba_to_color_image(&images.terrain_composite_image);
let terrain_color = rgba_to_color_image(&images.terrain_color_image);
self.textures = Some(TextureSet {
heightmap: ctx.load_texture("heightmap_preview", heightmap, TextureOptions::default()),
bumpmap: ctx.load_texture("bumpmap_preview", bumpmap, TextureOptions::default()),
terrain_composite: ctx.load_texture(
"terrain_composite_preview",
terrain_composite,
TextureOptions::default(),
),
terrain_color: ctx.load_texture(
"terrain_color_preview",
terrain_color,
TextureOptions::default(),
),
heightmap: ctx.load_texture("heightmap_preview", heightmap, TextureOptions::default()),
bumpmap: ctx.load_texture("bumpmap_preview", bumpmap, TextureOptions::default()),
});
}
@@ -170,18 +178,24 @@ impl TerrainApp {
let image = preview_image_data(generated, preview);
let success_message = match preview {
PreviewFocus::TerrainComposite => {
String::from("Terrain composite copied to clipboard.")
}
PreviewFocus::TerrainColor => String::from("Terrain color copied to clipboard."),
PreviewFocus::Heightmap => String::from("Heightmap copied to clipboard."),
PreviewFocus::Bumpmap => String::from("Bumpmap copied to clipboard."),
PreviewFocus::TerrainColor => String::from("Terrain color copied to clipboard."),
};
let (tx, rx) = mpsc::channel();
self.copy_receiver = Some(rx);
self.copy_in_progress = true;
self.status_message = match preview {
PreviewFocus::TerrainComposite => {
String::from("Copying terrain composite to clipboard...")
}
PreviewFocus::TerrainColor => String::from("Copying terrain color to clipboard..."),
PreviewFocus::Heightmap => String::from("Copying heightmap to clipboard..."),
PreviewFocus::Bumpmap => String::from("Copying bumpmap to clipboard..."),
PreviewFocus::TerrainColor => String::from("Copying terrain color to clipboard..."),
};
thread::spawn(move || {
@@ -377,18 +391,20 @@ impl TerrainApp {
});
return;
};
let terrain_composite_texture = textures.terrain_composite.clone();
let terrain_color_texture = textures.terrain_color.clone();
let heightmap_texture = textures.heightmap.clone();
let bumpmap_texture = textures.bumpmap.clone();
let terrain_color_texture = textures.terrain_color.clone();
let available = ui.available_size();
let bottom_strip_height = (available.y * 0.24).clamp(120.0, 220.0);
let main_height = (available.y - bottom_strip_height - 8.0).max(100.0);
let main_texture = match preview_focus {
PreviewFocus::TerrainComposite => &terrain_composite_texture,
PreviewFocus::TerrainColor => &terrain_color_texture,
PreviewFocus::Heightmap => &heightmap_texture,
PreviewFocus::Bumpmap => &bumpmap_texture,
PreviewFocus::TerrainColor => &terrain_color_texture,
};
let main_response =
@@ -411,9 +427,10 @@ impl TerrainApp {
ui.horizontal(|ui| {
for secondary_focus in secondary_previews {
let secondary_texture = match secondary_focus {
PreviewFocus::TerrainComposite => &terrain_composite_texture,
PreviewFocus::TerrainColor => &terrain_color_texture,
PreviewFocus::Heightmap => &heightmap_texture,
PreviewFocus::Bumpmap => &bumpmap_texture,
PreviewFocus::TerrainColor => &terrain_color_texture,
};
let secondary_label = preview_label(secondary_focus);
@@ -507,25 +524,46 @@ fn rgba_to_color_image(image: &image::RgbaImage) -> ColorImage {
fn preview_image_data(images: &GeneratedImages, preview: PreviewFocus) -> ImageData<'static> {
match preview {
PreviewFocus::TerrainComposite => {
rgba_image_to_clipboard_data(&images.terrain_composite_image)
}
PreviewFocus::TerrainColor => rgba_image_to_clipboard_data(&images.terrain_color_image),
PreviewFocus::Heightmap => gray_image_to_clipboard_data(&images.heightmap_image),
PreviewFocus::Bumpmap => gray_image_to_clipboard_data(&images.bumpmap_image),
PreviewFocus::TerrainColor => rgba_image_to_clipboard_data(&images.terrain_color_image),
}
}
fn preview_label(preview: PreviewFocus) -> &'static str {
match preview {
PreviewFocus::TerrainComposite => "Composite",
PreviewFocus::TerrainColor => "Terrain Color",
PreviewFocus::Heightmap => "Heightmap",
PreviewFocus::Bumpmap => "Bumpmap",
PreviewFocus::TerrainColor => "Terrain Color",
}
}
fn secondary_previews(preview: PreviewFocus) -> [PreviewFocus; 2] {
fn secondary_previews(preview: PreviewFocus) -> [PreviewFocus; 3] {
match preview {
PreviewFocus::Heightmap => [PreviewFocus::TerrainColor, PreviewFocus::Bumpmap],
PreviewFocus::Bumpmap => [PreviewFocus::TerrainColor, PreviewFocus::Heightmap],
PreviewFocus::TerrainColor => [PreviewFocus::Heightmap, PreviewFocus::Bumpmap],
PreviewFocus::TerrainComposite => [
PreviewFocus::TerrainColor,
PreviewFocus::Heightmap,
PreviewFocus::Bumpmap,
],
PreviewFocus::TerrainColor => [
PreviewFocus::TerrainComposite,
PreviewFocus::Heightmap,
PreviewFocus::Bumpmap,
],
PreviewFocus::Heightmap => [
PreviewFocus::TerrainComposite,
PreviewFocus::TerrainColor,
PreviewFocus::Bumpmap,
],
PreviewFocus::Bumpmap => [
PreviewFocus::TerrainComposite,
PreviewFocus::TerrainColor,
PreviewFocus::Heightmap,
],
}
}