53 lines
2.3 KiB
Plaintext
53 lines
2.3 KiB
Plaintext
// Native straight projectile supplies the first collision and its 42 damage.
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// Penetration is contact-triggered, finite and locked to that projectile's x lane.
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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_railburst: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 origin_y = event.y;
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let ground = false;
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for enemy in event.entities {
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if enemy.entity == event.entity {
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origin_y = enemy.y + enemy.height / 2;
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ground = enemy.ground;
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}
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}
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let kind = if ground { "small_ground" } else { "small_air" };
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let commands = [#{op: "play_sound", sound: "iron_coast_railburst:impact"},
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#{op: "effect", kind: kind, x: event.x, y: event.y}];
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let struck = [event.entity];
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let previous_y = origin_y;
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let damages = [32, 22];
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for hop in 0..2 {
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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.health <= 0 || struck.contains(enemy.entity)
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|| cx < 0 || cx >= 320 || cy < 0 || cy >= 200 { continue; }
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let distance = previous_y - cy;
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if abs(cx - event.x) <= 12 && distance > 0
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&& origin_y - cy <= 160 && distance < nearest {
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chosen = #{entity: enemy.entity, x: cx, y: cy, ground: enemy.ground};
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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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commands.push(#{op: "damage", entity: chosen.entity, amount: damages[hop]});
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let impact = if chosen.ground { "small_ground" } else { "small_air" };
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commands.push(#{op: "effect", kind: impact, x: chosen.x, y: chosen.y});
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struck.push(chosen.entity);
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previous_y = chosen.y;
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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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