49 lines
2.1 KiB
Plaintext
49 lines
2.1 KiB
Plaintext
// Damage is collision-triggered. Empty space, aircraft and inactive equipment
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// never start a blast. Native targeting handles the primary ground collision.
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fn on_fire(event, state, random) {
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if event.hostile { return #{commands: [], state: state}; }
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let shots = if state.contains("shots") { state.shots % 100000 + 1 } else { 1 };
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let hits = if state.contains("hits") { state.hits } else { 0 };
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#{commands: [#{op: "play_sound", sound: "iron_coast_depth_charge:fire"}],
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state: #{shots: shots, hits: hits}}
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}
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fn on_hit(event, state, random) {
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let shots = if state.contains("shots") { state.shots } else { 0 };
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let hits = if state.contains("hits") { state.hits % 100000 + 1 } else { 1 };
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let center_x = event.x;
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let center_y = event.y;
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for enemy in event.entities {
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if enemy.entity == event.entity {
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center_x = enemy.x + enemy.width / 2;
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center_y = enemy.y + enemy.height / 2;
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}
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}
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let commands = [#{op: "play_sound", sound: "iron_coast_depth_charge:impact"},
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#{op: "effect", kind: "small_air", x: center_x, y: center_y}];
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let struck = [event.entity];
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for neighbor in 0..3 {
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let chosen = #{};
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let nearest = 1000000;
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for enemy in event.entities {
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let cx = enemy.x + enemy.width / 2;
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let cy = enemy.y + enemy.height / 2;
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if !enemy.ground || enemy.health <= 0 || struck.contains(enemy.entity)
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|| cx < 0 || cx >= 320 || cy < 0 || cy >= 200 { continue; }
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let dx = cx - center_x;
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let dy = cy - center_y;
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let distance = dx * dx + dy * dy;
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if distance <= 36 * 36 && distance < nearest {
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chosen = #{entity: enemy.entity};
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nearest = distance;
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}
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}
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if !chosen.contains("entity") { break; }
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let damage = if nearest <= 16 * 16 { 36 } else { 20 };
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commands.push(#{op: "damage", entity: chosen.entity, amount: damage});
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struck.push(chosen.entity);
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hits = hits % 100000 + 1;
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}
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#{commands: commands, state: #{shots: shots, hits: hits}}
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}
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