// ============================================================ // Block interaction — break and place voxels via raycastVoxel // Native voxel terrain system — no entity cubes // Attached to the player // ============================================================ var voxel = require('lib/voxel.js'); var REACH = 6; var PLACE_COOLDOWN = 0.15; export function onSpawn(api) { var s = api.getState(); var profile = api.getProfile() || {}; if (profile.userId && s.userId !== profile.userId) { api.patchState({ userId: profile.userId }); } if (s.hotbarSlot === undefined) { api.patchState({ hotbarSlot: 0, hotbar: [1, 2, 3, 4, 5, 6, 7, 8], inventory: buildDefaultInventory(), breakProgress: 0, breakTarget: null, placeCooldown: 0, inventoryOpen: false, selectedHotbarSlot: 0, }); } // Per-player preview ghost (local only) var previewId = 'preview-' + api.id; api.spawn(previewId, { tags: ['fx', 'player-preview'], audience: 'local', properties: { visible: false, primitive: { kind: 'box', width: 1, height: 1, depth: 1 }, material: { color: 'oklch(0.8 0 0)', opacity: 0.35, transparent: true, depthWrite: false }, }, }); // Per-player highlight cube (local only) var highlightId = 'highlight-' + api.id; api.spawn(highlightId, { tags: ['fx', 'player-highlight'], audience: 'local', properties: { visible: false, primitive: { kind: 'box', width: 1.005, height: 1.005, depth: 1.005 }, material: { color: 'oklch(0.95 0 0)', opacity: 0.12, transparent: true, depthWrite: false }, }, }); } function buildDefaultInventory() { var inv = {}; var blocks = voxel.HOTBAR_BLOCKS; for (var i = 0; i < blocks.length; i++) { inv[blocks[i]] = 999; } return inv; } export function onDestroy(api) { try { api.destroy('preview-' + api.id); } catch(e) {} try { api.destroy('highlight-' + api.id); } catch(e) {} try { api.destroy('overlay-' + api.id); } catch(e) {} } export function onInput(input, api) { var target = api.getControlTarget(); if (target && target.id !== api.id) return; var s = api.getState(); // Place naming actions if (input.actions.namePlace && input.actionData && input.actionData.namePlace) { var placeName = input.actionData.namePlace.name || 'Unnamed'; var profile = api.getProfile() || {}; api.emit('createPlace', { name: placeName, uid: profile.userId || s.userId, ownerName: profile.displayName || 'Someone' }); api.patchState({ namingPlace: false }); api.hideCursor(); return; } if (input.actions.cancelNaming) { api.patchState({ namingPlace: false }); api.hideCursor(); return; } if (s.namingPlace) { api.showCursor(); return; } // Interact with I — doors use native voxel interact if (input.actions.interact) { var ray = api.getPointerRay(input); if (ray) { var hit = api.raycastVoxel(ray.origin, ray.direction, { maxDistance: REACH }); if (hit && hit.voxel) { var mat = hit.materialId || ''; if (mat.indexOf('door') !== -1) { var doorClosed = api.isVoxelSolid(hit.voxel.x, hit.voxel.y, hit.voxel.z); api.interactWithVoxel(hit.voxel.x, hit.voxel.y, hit.voxel.z); api.playSound(doorClosed ? 'cdn/sfx-minecraft-style-wooden-door-open-click.mp3' : 'cdn/sfx-minecraft-style-wooden-door-close-click.mp3', { volume: 0.5 }); } } } // Also check entity-based interactables (non-block objects) var pos = api.getProperty('feetPosition'); var nearby = api.query({ radius: 4, tags: ['interactable'], excludeSelf: true }); if (nearby.length > 0) { nearby.sort(function(a, b) { var da = Math.hypot(a.feetPosition.x - pos.x, a.feetPosition.z - pos.z); var db = Math.hypot(b.feetPosition.x - pos.x, b.feetPosition.z - pos.z); return da - db; }); api.interact(nearby[0].id); } } // Toggle inventory with E if (input.actions.toggleInventory) { var isOpen = !s.inventoryOpen; api.patchState({ inventoryOpen: isOpen, heldBlock: 0, invTab: s.invTab || 'all' }); if (isOpen) api.showCursor(); else api.hideCursor(); return; } // Liquid cleanup — disable behaviors, clear all, re-enable if (input.actions.clearLiquids) { // Disable liquid behaviors so they can't re-spread during cleanup api.patchTerrain({ updateMaterials: { b_water: { blockBehavior: { script: 'scripts/block-water.js', scheduledTick: false, neighborChanged: false } }, b_lava: { blockBehavior: { script: 'scripts/block-lava.js', scheduledTick: false, neighborChanged: false } } } }); var pos = api.getProperty('feetPosition'); var R = 50; var cleared = 0; // Three passes to catch any stragglers for (var pass = 0; pass < 3; pass++) { for (var cx = Math.floor(pos.x) - R; cx <= Math.ceil(pos.x) + R; cx++) { for (var cz = Math.floor(pos.z) - R; cz <= Math.ceil(pos.z) + R; cz++) { for (var cy = -2; cy <= 30; cy++) { var cmat = api.getVoxelMaterial(cx, cy, cz); if (cmat && (cmat.indexOf('water') !== -1 || cmat.indexOf('lava') !== -1)) { api.breakVoxel(cx, cy, cz); cleared++; } } } } } // Re-enable liquid behaviors api.patchTerrain({ updateMaterials: { b_water: { blockBehavior: { script: 'scripts/block-water.js', scheduledTick: true, neighborChanged: true } }, b_lava: { blockBehavior: { script: 'scripts/block-lava.js', scheduledTick: true, neighborChanged: true } } } }); api.toast('Cleared ' + cleared + ' liquid blocks', { duration: 3 }); return; } // Toggle admin panel with P if (input.actions.toggleAdmin) { var adminNow = !s.adminOpen; api.patchState({ adminOpen: adminNow }); if (adminNow) api.showCursor(); else api.hideCursor(); return; } // Admin command from UI if (input.actions.adminCmd) { var cmdData = input.actionData ? input.actionData.adminCmd : null; if (cmdData) { var prof = api.getProfile() || {}; api.emit('adminCmd', { uid: prof.userId || null, action: cmdData.action, targetUid: cmdData.targetUid }); } return; } // Inventory tab switch if (input.actions.invTab) { var tabData = input.actionData ? input.actionData.invTab : null; if (tabData && tabData.tab) api.patchState({ invTab: tabData.tab }); return; } // Pick up block from inventory grid if (input.actions.invPickup) { var pickData = input.actionData ? input.actionData.invPickup : null; if (pickData && pickData.blockId && voxel.BLOCKS[pickData.blockId]) { api.patchState({ heldBlock: pickData.blockId }); api.playSound('cdn/sfx-click.mp3', { volume: 0.3 }); } return; } // Drop held block into hotbar slot if (input.actions.invDrop) { var dropData = input.actionData ? input.actionData.invDrop : null; var held = s.heldBlock || 0; if (dropData && typeof dropData.slot === 'number' && held && voxel.BLOCKS[held]) { var hotbar = (s.hotbar || [1, 2, 3, 4, 5, 6, 7, 8]).slice(); hotbar[dropData.slot] = held; api.patchState({ hotbar: hotbar, heldBlock: 0, hotbarSlot: dropData.slot }); api.playSound('cdn/sfx-click.mp3', { volume: 0.4 }); } return; } if (s.inventoryOpen || s.adminOpen) return; // Hotbar selection for (var i = 1; i <= 9; i++) { if (input.actions['slot' + i]) { api.patchState({ hotbarSlot: i - 1 }); return; } } var scroll = input.axes.hotbarScroll || 0; if (scroll !== 0) { var slot = s.hotbarSlot || 0; if (scroll > 0) slot--; else slot++; var maxSlot = voxel.HOTBAR_BLOCKS.length; if (slot < 0) slot = maxSlot; if (slot > maxSlot) slot = 0; api.patchState({ hotbarSlot: slot }); } // === BLOCK BREAKING (left click) === if (input.actions.breakBlock) { var ray2 = api.getPointerRay(input); if (ray2) { var hit2 = api.raycastVoxel(ray2.origin, ray2.direction, { maxDistance: REACH, includeLiquids: true }); if (hit2 && hit2.voxel) { var vx = hit2.voxel.x, vy = hit2.voxel.y, vz = hit2.voxel.z; api.breakVoxel(vx, vy, vz); var brokenMat = hit2.materialId || ''; if (brokenMat.indexOf('water') !== -1 || brokenMat.indexOf('lava') !== -1) { api.playSound('cdn/sfx-water-splash.mp3', { volume: 0.5 }); } else { // Door pair cleanup if (brokenMat.indexOf('door') !== -1) { var aboveMat = api.getVoxelMaterial(vx, vy + 1, vz); var belowMat = api.getVoxelMaterial(vx, vy - 1, vz); if (aboveMat && aboveMat.indexOf('door') !== -1) api.breakVoxel(vx, vy + 1, vz); if (belowMat && belowMat.indexOf('door') !== -1) api.breakVoxel(vx, vy - 1, vz); if (brokenMat.indexOf('double') !== -1) { var dirs = [[1,0],[-1,0],[0,1],[0,-1]]; for (var di = 0; di < dirs.length; di++) { var pdx = dirs[di][0], pdz = dirs[di][1]; var pmat = api.getVoxelMaterial(vx + pdx, vy, vz + pdz); if (pmat && pmat.indexOf('door') !== -1) { api.breakVoxel(vx + pdx, vy, vz + pdz); var pAbove = api.getVoxelMaterial(vx + pdx, vy + 1, vz + pdz); var pBelow = api.getVoxelMaterial(vx + pdx, vy - 1, vz + pdz); if (pAbove && pAbove.indexOf('door') !== -1) api.breakVoxel(vx + pdx, vy + 1, vz + pdz); if (pBelow && pBelow.indexOf('door') !== -1) api.breakVoxel(vx + pdx, vy - 1, vz + pdz); break; } } } } api.playSound('cdn/sfx-impact-stone.mp3', { volume: 0.6 }); api.particleBurst({ x: vx + 0.5, y: vy + 0.5, z: vz + 0.5 }, 'dust', { scale: 0.5 }); } return; } } } // Release right-click resets door lock if (!input.actions.placeBlock && s._doorPlacedHold) { api.patchState({ _doorPlacedHold: false }); } // Empty hand: right-click interacts with voxel doors var hotbar2 = s.hotbar || [1, 2, 3, 4, 5, 6, 7, 8]; var isEmptyHand = (s.hotbarSlot === hotbar2.length); if (input.actions.placeBlock && isEmptyHand) { if (!s._handInteractLock) { var ray3 = api.getPointerRay(input); if (ray3) { var hit3 = api.raycastVoxel(ray3.origin, ray3.direction, { maxDistance: REACH }); if (hit3 && hit3.voxel && hit3.materialId && hit3.materialId.indexOf('door') !== -1) { var doorClosed3 = api.isVoxelSolid(hit3.voxel.x, hit3.voxel.y, hit3.voxel.z); api.interactWithVoxel(hit3.voxel.x, hit3.voxel.y, hit3.voxel.z); api.playSound(doorClosed3 ? 'cdn/sfx-minecraft-style-wooden-door-open-click.mp3' : 'cdn/sfx-minecraft-style-wooden-door-close-click.mp3', { volume: 0.5 }); } } api.patchState({ _handInteractLock: true }); } return; } if (!input.actions.placeBlock && s._handInteractLock) { api.patchState({ _handInteractLock: false }); } // === BLOCK PLACING (right click) === if (input.actions.placeBlock) { if (s._doorPlacedHold) return; var lastPlaceTime = s._lastPlaceTime || 0; var now = api.getWallClockTimestamp(); var elapsed = (now - lastPlaceTime) / 1000; if (elapsed >= PLACE_COOLDOWN || elapsed < 0) { // Compute placement target inline (no dependency on update loop) var placeRay = api.getPointerRay(input); var placeHit = placeRay ? api.raycastVoxel(placeRay.origin, placeRay.direction, { maxDistance: REACH }) : null; var placeTarget = null; if (placeHit && placeHit.adjacentVoxel) { placeTarget = { x: placeHit.adjacentVoxel.x, y: placeHit.adjacentVoxel.y, z: placeHit.adjacentVoxel.z, hitNormalY: placeHit.normal ? placeHit.normal.y : 0, hitNormalX: placeHit.normal ? placeHit.normal.x : 0, hitNormalZ: placeHit.normal ? placeHit.normal.z : 0, hitLocalY: placeHit.position ? (placeHit.position.y - Math.floor(placeHit.position.y)) : 0, }; // Slab merging: if hitting same slab type from top/bottom, target the hit cell var selBlock = hotbar2[s.hotbarSlot || 0]; var selDef = selBlock ? voxel.BLOCKS[selBlock] : null; if (selDef && selDef.shape === 'slab' && placeHit.voxel) { var selMat = voxel.ID_TO_MATERIAL[selBlock]; if (placeHit.materialId === selMat && placeHit.normal && Math.abs(placeHit.normal.y) > 0.5) { placeTarget.x = placeHit.voxel.x; placeTarget.y = placeHit.voxel.y; placeTarget.z = placeHit.voxel.z; } } } if (!placeTarget) return; var bx = placeTarget.x, by = placeTarget.y, bz = placeTarget.z; var blockToPlace = hotbar2[s.hotbarSlot || 0]; if (!blockToPlace || !voxel.BLOCKS[blockToPlace]) return; var materialName = voxel.ID_TO_MATERIAL[blockToPlace]; if (!materialName) return; // Don't place inside player var playerPos = api.getProperty('feetPosition'); var px = Math.floor(playerPos.x), py1 = Math.floor(playerPos.y), py2 = py1 + 1; var pz = Math.floor(playerPos.z); if (bx === px && bz === pz && (by === py1 || by === py2)) return; // Check cell is empty var existingMat = api.getVoxelMaterial(bx, by, bz); var placeDef = voxel.BLOCKS[blockToPlace]; var isSlab = placeDef && placeDef.shape === 'slab'; var isDoor = placeDef && (placeDef.shape === 'door' || placeDef.shape === 'double_door'); var isDoubleDoor = placeDef && placeDef.shape === 'double_door'; // Slab merging if (isSlab && existingMat === materialName) { // Replace with full block equivalent var fullId = placeDef.fullBlock; if (fullId && voxel.ID_TO_MATERIAL[fullId]) { api.placeVoxel(bx, by, bz, voxel.ID_TO_MATERIAL[fullId]); } api.patchState({ _lastPlaceTime: api.getWallClockTimestamp() }); api.playSound('cdn/sfx-click-wood.mp3', { volume: 0.5 }); return; } if (existingMat !== null) { // Allow placing solid blocks into water/lava to displace it if (existingMat.indexOf('water') !== -1 || existingMat.indexOf('lava') !== -1) { api.breakVoxel(bx, by, bz); } else { return; // occupied by solid block } } // Door: validate empty cell above if (isDoor) { var aboveCheck = api.getVoxelMaterial(bx, by + 1, bz); if (aboveCheck !== null) return; if (bx === px && (by + 1 === py1 || by + 1 === py2) && bz === pz) return; } // Ladder: can't place on top/bottom, needs wall behind if (placeDef.shape === 'ladder') { if (Math.abs(placeTarget.hitNormalY || 0) > 0.9) return; } // Compute state for shaped blocks var cam = api.getCamera() || {}; var cameraYaw = cam.yaw || 0; var stateWord = 0; if (isSlab) { var half = 'bottom'; if (placeTarget.hitNormalY !== undefined && placeTarget.hitNormalY < 0) half = 'top'; else if (placeTarget.hitNormalY !== undefined && placeTarget.hitNormalY > 0) half = 'bottom'; else half = (placeTarget.hitLocalY !== undefined && placeTarget.hitLocalY > 0.5) ? 'top' : 'bottom'; stateWord = voxel.packState(blockToPlace, { half: half }); } else if (placeDef.shape === 'stairs') { stateWord = voxel.packState(blockToPlace, { yaw: cameraYaw + 180 }); } else if (placeDef.shape === 'ladder') { var lnx = placeTarget.hitNormalX || 0; var lnz = placeTarget.hitNormalZ || 0; var ladderYaw = 0; if (Math.abs(lnx) > Math.abs(lnz)) { ladderYaw = (lnx > 0) ? 270 : 90; } else { ladderYaw = (lnz > 0) ? 180 : 0; } stateWord = voxel.packState(blockToPlace, { yaw: ladderYaw }); } else if (isDoor) { stateWord = voxel.packState(blockToPlace, { yaw: cameraYaw, open: false }); } // Place the voxel if (stateWord > 0) { api.placeVoxel(bx, by, bz, materialName, stateWord); } else { api.placeVoxel(bx, by, bz, materialName); } // Door: place top cell too if (isDoor) { api.placeVoxel(bx, by + 1, bz, materialName, stateWord); } // Double door: place partner pair with mirrored hinge if (isDoubleDoor) { var snapYaw = ((Math.round(cameraYaw / 90) * 90) % 360 + 360) % 360; var ppx = bx, ppz = bz; if (snapYaw === 0) ppx = bx + 1; else if (snapYaw === 90) ppz = bz - 1; else if (snapYaw === 180) ppx = bx - 1; else ppz = bz + 1; if (api.getVoxelMaterial(ppx, by, ppz) === null && api.getVoxelMaterial(ppx, by + 1, ppz) === null) { var partnerState = voxel.packState(blockToPlace, { yaw: cameraYaw, open: false, hinge: 1 }); api.placeVoxel(ppx, by, ppz, materialName, partnerState); api.placeVoxel(ppx, by + 1, ppz, materialName, partnerState); } } var cd2 = isDoor ? 999 : PLACE_COOLDOWN; // Liquids: trigger first spread via onInteract if (materialName === 'b_water' || materialName === 'b_lava') { api.interactWithVoxel(bx, by, bz); } api.patchState({ _lastPlaceTime: api.getWallClockTimestamp(), _doorPlacedHold: isDoor || false }); api.playSound('cdn/sfx-click-wood.mp3', { volume: 0.5 }); } } } export function update(dt, api) { var s = api.getState(); var cam = api.getCamera(); if (!cam) return; var dir = api.directionFromYawPitch(cam.yaw, cam.pitch); var origin = api.getAimOrigin(); var hit = api.raycastVoxel(origin, dir, { maxDistance: REACH }); var highlightId = 'highlight-' + api.id; var previewId = 'preview-' + api.id; // ── Highlight aimed block ── if (hit && hit.voxel) { var newKey = hit.voxel.x + ',' + hit.voxel.y + ',' + hit.voxel.z; if (newKey !== s._aimedBlock) { api.setObjectProperty(highlightId, 'visible', true); api.setObjectProperty(highlightId, 'feetPosition', { x: hit.voxel.x + 0.5, y: hit.voxel.y, z: hit.voxel.z + 0.5, }); api.patchEphemeralState({ _aimedBlock: newKey }); } } else if (s._aimedBlock) { api.setObjectProperty(highlightId, 'visible', false); api.patchEphemeralState({ _aimedBlock: null }); } // ── Placement preview ── var hotbar = s.hotbar || [1, 2, 3, 4, 5, 6, 7, 8]; var isEmptyHand = (s.hotbarSlot === hotbar.length); var selectedBlock = isEmptyHand ? 0 : hotbar[s.hotbarSlot || 0]; var def = selectedBlock ? voxel.BLOCKS[selectedBlock] : null; if (hit && hit.adjacentVoxel && def) { var tx = hit.adjacentVoxel.x, ty = hit.adjacentVoxel.y, tz = hit.adjacentVoxel.z; var hnY = hit.normal ? hit.normal.y : 0; var hnX = hit.normal ? hit.normal.x : 0; var hnZ = hit.normal ? hit.normal.z : 0; var hlY = hit.position ? (hit.position.y - Math.floor(hit.position.y)) : 0; // Slab merging preview if (def.shape === 'slab' && hit.voxel) { var matName = voxel.ID_TO_MATERIAL[selectedBlock]; if (hit.materialId === matName && Math.abs(hnY) > 0.5) { tx = hit.voxel.x; ty = hit.voxel.y; tz = hit.voxel.z; } } var py = ty, ph = 1, pw = 1, pd = 1; var px = tx + 0.5, pz = tz + 0.5; if (def.shape === 'slab') { ph = 0.5; if (hnY < 0) py = ty + 0.5; else if (hnY > 0) py = ty; else py = (hlY > 0.5) ? ty + 0.5 : ty; } else if (def.shape === 'ladder') { if (Math.abs(hnY) > 0.9) { api.setObjectProperty(previewId, 'visible', false); return; } if (Math.abs(hnX) > Math.abs(hnZ)) { pw = 0.1; pd = 1; px = (hnX > 0) ? tx + 0.95 : tx + 0.05; } else if (Math.abs(hnZ) > 0) { pw = 1; pd = 0.1; pz = (hnZ > 0) ? tz + 0.95 : tz + 0.05; } } api.setObjectProperty(previewId, 'visible', true); api.setObjectProperty(previewId, 'feetPosition', { x: px, y: py, z: pz }); api.setObjectProperty(previewId, 'primitive', { kind: 'box', width: pw, height: ph, depth: pd }); api.setObjectProperty(previewId, 'material', { texture: def.texture, color: def.color, opacity: 0.35, transparent: true, depthWrite: false, }); } else { api.setObjectProperty(previewId, 'visible', false); } }