requirements_demo/
requirements_demo.rs

1use terrain_forge::{generate_with_requirements, semantic::*};
2
3fn main() {
4    println!("=== Generate with Requirements Demo ===\n");
5
6    // Create simple requirements that match BSP output
7    let mut requirements = SemanticRequirements::none();
8    requirements.min_regions.insert("Hall".to_string(), 1); // BSP produces "Hall" regions
9    requirements
10        .required_markers
11        .insert(MarkerType::Custom("PlayerStart".to_string()), 1); // BSP produces "PlayerStart"
12
13    println!("Requirements:");
14    println!("  - Minimum 1 Hall region");
15    println!("  - At least 1 PlayerStart marker");
16    println!();
17
18    match generate_with_requirements("bsp", 40, 30, requirements, Some(10), 12345) {
19        Ok((grid, semantic)) => {
20            println!("✅ Successfully generated map meeting requirements!");
21            println!("  Grid size: {}x{}", grid.width(), grid.height());
22            println!("  Floor tiles: {}", grid.count(|t| t.is_floor()));
23            println!("  Total regions: {}", semantic.regions.len());
24
25            // Count Hall regions
26            let hall_count = semantic.regions.iter().filter(|r| r.kind == "Hall").count();
27            println!("  Hall regions: {}", hall_count);
28
29            // Count PlayerStart markers
30            let start_count = semantic
31                .markers
32                .iter()
33                .filter(|m| m.tag() == "PlayerStart")
34                .count();
35            println!("  PlayerStart markers: {}", start_count);
36
37            println!("\nFirst few regions:");
38            for (i, region) in semantic.regions.iter().take(3).enumerate() {
39                println!("  {}: {} ({} cells)", i + 1, region.kind, region.area());
40            }
41        }
42        Err(msg) => {
43            println!("❌ Failed to generate: {}", msg);
44        }
45    }
46}
requirements_demo/requirements_demo.rs

requirements_demo/
requirements_demo.rs
