56 lines
2.6 KiB
JavaScript
56 lines
2.6 KiB
JavaScript
"use strict";
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// Layer: simulation/system-ambient-spawn
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// Owns low-frequency ambient Tarinai/grass/rain-water creation.
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(function (global) {
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function spawnAmbientTarinai(worldRef, dt) {
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if ((worldRef.canAddTarinai?.(1) ?? true) && worldRef.tarinai.length > 0 && worldRef.tarinai.length <= 10 && worldRef.time - (worldRef.lastBirthAt || -999) > 12 && Math.random() < dt * 0.022) {
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const spot = worldRef.edgeSpawnPoint(null, null, 42, true);
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const t = worldRef.addTarinai({ x: spot.x, y: spot.y, vx: spot.vx, vy: spot.vy, entryTimer: 2.0 });
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if (!t) return;
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t.wanderAngle = spot.angle;
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t.surpriseTimer = Math.max(t.surpriseTimer || 0, 0.35);
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worldRef.log(`${t.name}\u304c\u753b\u9762\u5916\u304b\u3089\u8ff7\u3044\u8fbc\u3093\u3067\u304d\u305f\u3002`);
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}
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}
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function spawnAmbientGrass(worldRef, dt) {
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if ((worldRef.groundGrassMultiplier?.() ?? 1) <= 0) return;
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const groundGrowthMul = Math.max(0, Number(global.TarinaiGround.grassGrowthMultiplier(worldRef.groundType || "soil") ?? (worldRef.groundGrassMultiplier?.() ?? 1)) || 0);
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if (groundGrowthMul <= 0) return;
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if ((worldRef.canAddGrass?.(1) ?? true) && Math.random() < dt * 0.070 * groundGrowthMul) {
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const spot = worldRef.findGrassPlantingSpot(rand(60, worldRef.w - 60), rand(60, worldRef.h - 60), {
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allowOriginal: true,
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minRadius: 28,
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maxRadius: 140,
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attempts: 18,
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});
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if (spot) {
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const sprout = new Item("grass", spot.x, spot.y);
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global.TarinaiGrass.setStage(sprout, 0, { force: true });
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worldRef.addItem?.(sprout, "grass-spawn");
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}
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}
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}
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function spawnRainWater(worldRef, dt) {
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// Rain visuals are diagonal line streaks in render.js. This branch creates
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// horizontal oval water items spawned by rain; it intentionally does not
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// share the rain overlay renderer.
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if (global.TarinaiWeatherSystem.shouldDropRainWater(worldRef, dt)) {
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const drop = global.TarinaiWeatherSystem.createRainWaterItem(worldRef, { rainDrop: true });
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const sand = worldRef.toiletSandAt?.(drop.x, drop.y) || null;
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if (sand) {
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sand.toiletFlash = 1;
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sand.awakeUntil = Math.max(sand.awakeUntil || 0, (worldRef.time || 0) + 0.8);
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worldRef.markTerrainDirtyAt?.(sand.x, sand.y, Math.max(64, (sand.r || 48) * 1.72), "toilet-sand-rain-absorb");
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return;
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}
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worldRef.addItem?.(drop, "rain-water");
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}
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}
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global.TarinaiAmbientSimulationSystem = Object.freeze({
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phases: Object.freeze({ spawnAmbientTarinai, spawnAmbientGrass, spawnRainWater }),
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});
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})(typeof window !== "undefined" ? window : globalThis);
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