57 lines
2.7 KiB
Plaintext
57 lines
2.7 KiB
Plaintext
fn is_alive(event) {
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for unit in event.entities {
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if unit.entity == event.entity && unit.health > 0 { return true; }
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}
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false
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}
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// Per-entity directions permit multiple cruisers without sharing a patrol cursor.
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fn on_spawn(event, state, random) {
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if !is_alive(event) { return #{ commands: [], state: state }; }
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if !state.contains("directions") { state.directions = #{}; }
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state.directions[event.entity.to_string()] = 1;
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#{ commands: [#{ op: "velocity", entity: event.entity, vx: 0, vy: 2 }], state: state }
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}
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fn on_tick(event, state, random) {
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if event.health <= 0 || !is_alive(event) { return #{ commands: [], state: state }; }
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if event.y < 24 {
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return #{ commands: [#{ op: "velocity", entity: event.entity, vx: 0, vy: 2 }], state: state };
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}
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let key = event.entity.to_string();
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if !state.contains("directions") { state.directions = #{}; }
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let direction = if state.directions.contains(key) { state.directions[key] } else { 1 };
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if event.x >= 144 { direction = -1; }
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if event.x <= 80 { direction = 1; }
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state.directions[key] = direction;
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let commands = [
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#{ op: "move", entity: event.entity, x: event.x, y: 24 },
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#{ op: "velocity", entity: event.entity, vx: direction, vy: 0 }
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];
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if event.tick % 54 == 0 {
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commands.push(#{ op: "projectile", weapon: "iron_coast_boss:projectile", x: event.x + 35, y: 64, vx: -2, vy: 4, hostile: true });
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commands.push(#{ op: "projectile", weapon: "iron_coast_boss:projectile", x: event.x + 48, y: 64, vx: 0, vy: 4, hostile: true });
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commands.push(#{ op: "projectile", weapon: "iron_coast_boss:projectile", x: event.x + 61, y: 64, vx: 2, vy: 4, hostile: true });
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commands.push(#{ op: "play_sound", sound: "iron_coast_boss:shot" });
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state.shots = if state.contains("shots") { state.shots + 1 } else { 1 };
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}
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#{ commands: commands, state: state }
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}
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fn on_hit(event, state, random) {
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state.hits = if state.contains("hits") { state.hits + 1 } else { 1 };
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#{ commands: [], state: state }
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}
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fn on_death(event, state, random) {
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if state.contains("directions") { state.directions.remove(event.entity.to_string()); }
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state.destroyed = if state.contains("destroyed") { state.destroyed + 1 } else { 1 };
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let defeated = if event.objectives.contains("iron_coast_boss:defeated") { event.objectives["iron_coast_boss:defeated"] + 1 } else { 1 };
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#{ commands: [
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#{ op: "objective", key: "iron_coast_boss:defeated", value: defeated },
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#{ op: "effect", x: event.x + 35, y: event.y + 36 },
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#{ op: "effect", x: event.x + 61, y: event.y + 36 },
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#{ op: "play_sound", sound: "iron_coast_boss:death" }
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], state: state }
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}
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