Sloped belts hold their load with moving cleats (t42); sloped filters are downhill shaking screens (t43)
The magic grip is gone: cleats every 8 face cells, 6 grains tall, carry pockets uphill (about 71 grains/s against 90 flat) and overflow rolls back. Sloped filters always run downhill; grains travel by gravity and a shake, and sorting stays exact. Drawing needs another pass. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Claude Opus 5.5
+23
-15
@@ -171,7 +171,7 @@ dist/, shots/ build output and screenshots (not committed)
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| Starter furnace designs | `src/sim/progress.js` (`STARTER_DESIGNS`, `smelterBlueprint`) |
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| Falling sand, liquids, gases | `src/sim/cells.js` |
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| Heat, melting, fire, reactions, alloys, steel | `src/sim/heat.js` |
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| Belts, filters, screw conveyors | `src/sim/conveyors.js`, `src/sim/machine-tick.js` |
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| Belts, filters, screw conveyors | `src/sim/conveyors.js`, `src/sim/slope-conveyors.js` (cleat barriers, pocket depth and screen nudges), `src/sim/machine-tick.js` |
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| Fans | `src/sim/machine-tick.js` (`fanBlow`) |
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| Refiner, Stone cutter, Silo | `src/sim/processors.js` |
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| Pipes, pumps, outlets | `src/sim/pipes.js` |
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@@ -205,9 +205,9 @@ Material definitions: ids, properties and metal families. ids, and drill/tank ti
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Material tables: typed properties, casting groups, flags, parts and tool tiers. Typed property tables
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- variables: PH, DENS, KC, ICAP, CASTMETAL, METAL_TIER, SOLIDMETAL, F_NAT, F_CAST, F_BURN, P_NONE, P_SCREW_U, P_SCREW_D, P_SCREW_L, P_SCREW_R, P_GRATE, P_GOPEN, P_WHEEL, P_INTAKE, P_FILTER, P_PIPE, P_SCREW_UR, P_SCREW_DR, P_SCREW_DL, P_SCREW_UL, SCREW_PARTS, SCREW_DIRS, IS_SCREW, SCREW_DX, SCREW_DY, BIT_TIERS, TANK_TIERS, REACH
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### src/sim/pieces.js (176 lines)
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### src/sim/pieces.js (177 lines)
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Everything the player can build (PIECES): blocks, machines and molds, with costs and descriptions; filter settings; wall materials and their cost.
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- functions: isSlopeBelt, isFilter, isBelt, beltGrade, slopeShape, beltFaceY, beltDirection, isSlope, isWall, slopeCell, slopeCode, isPipeCode, filterable, cleanFilterCfg, filterRec, filterPassAt, filterInfo, sameFilter, wallCost
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- functions: isSlopeBelt, isFilter, isBelt, beltGrade, slopeShape, beltFaceY, filterVariant, beltDirection, isSlope, isWall, slopeCell, slopeCode, isPipeCode, filterable, cleanFilterCfg, filterRec, filterPassAt, filterInfo, sameFilter, wallCost
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- variables: BS, BP_WALL, BP_BELT, BP_SCREW, BP_SHAFT, BP_GRATE, BP_GATE, BP_FILTER, BP_PIPE, BP_PUMP, BP_OUTLET, BP_GRIND, BP_SAW, BP_PRESS, BP_RACK, BP_SLOPE_BL, BP_SLOPE_BR, BP_SLOPE_TL, BP_SLOPE_TR, BP_BELT_UP, BP_BELT_DOWN, BP_FILTER_UP, BP_FILTER_DOWN, filterCfg, WALL_OF, WALL_LIST, BAR_OF, GRAINS_PER_BAR, POWER_FREE, CASH, PIECES, PIECE_BY_ID, PIECE_BY_CODE, BELT_POWER, SCREW_POWER, FAN_POWER, WHEEL_K, ENGINE_K, MOLDS
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### src/sim/economy.js (152 lines)
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@@ -220,7 +220,7 @@ Starter furnace designs and the milestone list shown in the notebook.
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- functions: smelterBlueprint
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- variables: STARTER_DESIGNS, MILESTONES
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### src/sim/world.js (104 lines)
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### src/sim/world.js (105 lines)
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World state: the per-cell typed arrays, alloc(), ambient temperature by depth, waking.
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- functions: emit, bagCap, discover, alloc, depthU, depthY, meanSurface, computeAmbient, fillNoise, wakeXY, wakeHeatXY, wakeIdx, wakeHeatIdx
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- variables: W, H, N, CW, CH, NCH, mat, temp, life, flags, stamp, part, mach, digp, noiseB, airS, netId, isPow, occ, surfY, dirtY, graniteY, basaltY, magmaY, roofY, AMB, worldSeed, surfBase, underD, shallowD, lapse, BW, BH, NB, blockP, blockV, ents, bgm, flyers, ghostBlocks, ghostMolds, awake, hot, hotLvl, powderArea, roofDirty, loadWakeOrder, loadWakePending, loadWakeIndex, tick, tickStamp, machines, molds, nets, pcells, powerDirty, beltL, beltR, screwLists, brokenMachines, ghostMachines, ghostBlocked, EV, bot, bag, bagTotal, player, seen, ledger, stats
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@@ -230,7 +230,7 @@ Exploration only: never changes grains or the random stream.
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- functions: fogAlloc, fogMark, fogSeen, fogInit, fogLook, fogRevealAround, fogRevealAll
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- variables: FOG, FOG_SENSE, FOG_SENSE_FADE, fog, FW, FH
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### src/sim/cells.js (208 lines)
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### src/sim/cells.js (218 lines)
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Cell helpers (setCell, move, enter) and the falling-sand movement of powders, liquids and gases (simMove).
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- functions: setCell, swapCells, move, enter, powder, passable, liquid, gas, wakeBotPowder, simMove
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- variables: SORTP, SORTP_FUEL, LSTEP, LFILM, CORNER_SEAL
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@@ -260,15 +260,20 @@ Pipes, pumps and outlets: each joined line holds one liquid as a count, not as g
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- functions: sideOf, pipeClosedSide, pipeJoins, rebuildPipes, pipeNetOf, pipeTakeShare, faceCell, pumpDraw, outletPour, pipesTick
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- variables: PIPE_CAP, PUMP_RATE, OUTLET_RATE, PUMP_MAX_T, SIDE_V, PUMP_V, OUTLET_V, pipeNets, pipeNetAt, pipesDirty
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### src/sim/machine-tick.js (154 lines)
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### src/sim/machine-tick.js (155 lines)
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Per-tick machine work: steam engines, fans, belts, filters, screw conveyors (machinesTick).
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- functions: engineIntake, fanBlow, machinesTick
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### src/sim/conveyors.js (202 lines)
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### src/sim/conveyors.js (197 lines)
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How belts, filters and screw conveyors move what is on or in them. What rests on a belt or filter rides along: the whole stack standing on the carrying surface steps one cell toward d together (belts run front of the line first, so the way ahead is clear). If a powder grain is blocked, the load above it stands still and the belt slips underneath. A filter's own material drops through it instead, unless it is already full.
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- functions: conveyorStep, carryColumn, holdSlopeColumn, beltDrain, launchGrain, rebuildFilters, filterCarry, carryBeltsAndFilters, setFilter, filterRun, roomFor, screwSpread, screwIntake, diagonalScrewNext
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- functions: conveyorStep, carryColumn, beltDrain, launchGrain, rebuildFilters, filterCarry, carryBeltsAndFilters, setFilter, filterRun, roomFor, screwSpread, screwIntake, diagonalScrewNext
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- variables: CARRY_DEPTH, filterR, filterL, filtersDirty
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### src/sim/slope-conveyors.js (51 lines)
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Cleats are moving barriers, not material cells. A cleat supports a finite pocket; the bare face never holds grains.
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- functions: cleatFoot, pocketDepth, slopeCleatsTick, screenNudge
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- variables: CLEAT_SPACING, CLEAT_HEIGHT, CLEAT_REACH, SCREEN_NUDGE_TICKS, cleatCarrying, cleatMask, cleatCells, slopePhase
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### src/sim/blocks.js (219 lines)
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Building blocks: placing, integrity, removing, lines and rectangles of blocks.
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- functions: blockOf, blockCellList, pieceCost, setSlopeSeal, slopeSeal, slopeSealOwner, wallCells, canPlaceBlock, placeBlock, blockIntegrity, removeWallCell, removeBlock, diagonalDrag, blockLine, blockRect, blockInReach, blockIs, placeBlocks
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@@ -342,7 +347,7 @@ World generation helpers: noise and removal of tiny hard rock specks.
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World generation: staged terrain, ore, caves and placement, with synchronous and async entry points.
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- functions: generateWorld, generateWorldAsync
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### src/sim/save.js (177 lines)
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### src/sim/save.js (179 lines)
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Saving and loading a world (serializeWorld / deserializeWorld) and old-save migration.
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- functions: serializeWorld, deserializeWorld, startLoadWake, wakeLoadArea, wakeLoadNearBot, loadWakeTick
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- variables: SAVE_VERSION, TOFF
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@@ -356,12 +361,12 @@ Drawing (src/render/): browser only. This file: the renderer state R, colour tab
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Propagated coloured light from glowing and burning cells.
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- functions: builtForLight, looseForLight, computeLight
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### src/render/slope-belts.js (127 lines)
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### src/render/slope-belts.js (150 lines)
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Drawing only: the face stays on its simulation cells; the band hangs below it.
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- functions: slopeBeltConnections, flatBeltCaps, prepareSlopeBelts, slopeBeltSegment, slopeBeltCorner, slopeBeltShape, slopeBeltAt, slopeBeltColor
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- functions: slopeBeltConnections, flatBeltCaps, prepareSlopeBelts, slopeBeltSegment, slopeBeltCorner, slopeBeltShape, slopeBeltAt, slopeBeltColor, screenLoaded, slopeDetailAt
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- variables: slopeBeltJoins, slopeBeltHalo, beltCaps, slopeAcross, slopeAlong, slopeDistance
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### src/render/world.js (440 lines)
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### src/render/world.js (447 lines)
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Scale colour without changing the smooth-look class.
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- functions: fogColor, diagonalScrewJoins, diagonalScrewShape, diagonalScrewBlock, drawWorld
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- variables: SCREW_CLASS, diagonalJoins, diagonalAcross, diagonalAlong, diagonalCap
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@@ -379,7 +384,7 @@ Smooth look: WebGL setup, texture uploads, drawing and adaptive resolution.
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- functions: smCompile, smoothAvailable, smUpload, smoothDraw, smoothPace
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- variables: SM, smBytes
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### src/render/slope-belt-shader.js (84 lines)
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### src/render/slope-belt-shader.js (85 lines)
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Smooth slope shading, kept beside the shared CPU geometry in slope-belts.js.
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- variables: SM_SLOPE_HELPERS, SM_SLOPE_DRAW
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@@ -444,7 +449,7 @@ The build menu along the bottom: categories, piece tiles and their icons.
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- functions: pieceIcon, catOf, selectBuildCat, cycleBuildCat, buildVariantChips, renderBuildBar, setupBuildBar
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- variables: BUILD_CATS, BUILD_ORDER, PIECE_ICONS, lastBuildKey, lastBuildMenu
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### src/ui/selection.js (119 lines)
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### src/ui/selection.js (120 lines)
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Tool selection: cycling, drill tuning, piece variants and costs.
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- functions: pieceSize, pieceUsesWall, setDrillWidth, tuneUnderCursor, cycleItem, cycleWall, rotate, toggleBlow, pickFilterUnderCursor, toggleFilterMat, setBrush, pieceV, pieceExtra, filterBlockAt, chipCost, pieceCostNow, pieceCode, turnSlope
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@@ -476,7 +481,7 @@ Gamepad input.
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- functions: padPressed, pollPad
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- variables: PAD
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### src/ui/previews.js (234 lines)
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### src/ui/previews.js (248 lines)
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Cursor previews: shared grid helpers, air streaks and tool preview dispatch.
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- functions: blockRectPx, drawGrid, previewColor, drawAirStreaks, drawReachCircle, drawPreviews, previewBlock
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@@ -549,6 +554,8 @@ The frame loop and boot.
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- `tools/experiments/flow.js`: Throughput of belts and screw conveyors: grains delivered per second. Whatever lands past the outlet is taken away, so the output pile never backs up into the line.
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- `tools/experiments/furnace.js`: Furnace scenarios on a flat test world: builds a chamber, charges it with ore and coal, lights it and prints temperatures, burning cells and what has melted or set at intervals.
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- `tools/experiments/section.js`: ASCII cross-section of a stone furnace firing, with a temperature digit per cell (0-9), printed at intervals. Usage: node tools/experiments/section.js [WALL_MATERIAL] (default STONE).
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- `tools/experiments/slope-cost.js`: Many loaded slopes, with a fresh deterministic world for each timing sample.
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- `tools/experiments/slope-flow.js`: Reproducible generous-feed throughput and settled pile angles for t42.
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- `tools/experiments/smelter.js`: Smelter design experiments, built with the same block pieces a player uses. Layout (block rows, 4x4 grains each), on flat ground at row 25: roof with a vent ........ row g-CH-1 chamber, CH blocks tall .. charge of coal + copper ore inside grate floor ............. row g = 23 (liquids pass, powders do not) ingot mold .............. row 24, sitting on the ground side walls run from the roof down past the mold. Usage: node t_smelter.js [key=value ...]
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- `tools/experiments/starter.js`: Plays a starter design the way a player would: paste the blueprint, let the bot build it from the bag, blow an even ore/coal mix inside, light it, wait, knock out the castings. Usage: node tools/experiments/starter.js [design id] [ore] [coal]
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- `tools/experiments/worldgen.js`: World generation report: time to generate, how many cells of each material, where the bot starts, and what idle ticks and ticks after digging cost.
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@@ -557,6 +564,7 @@ The frame loop and boot.
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- `tools/scenes/clear-sky.js`: A clear work area left of the bot's starting point (the trade dock is to its right): open sky 160 grains wide and 40 tall, over a flat stone floor. Money and a bag of building stuff to build with. Sets FLOOR (the first row of the floor), BX, BY (the leftmost block of the area that stands on the floor) and CAM (the middle of the area).
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- `tools/scenes/mold-labels.js`: Run after clear-sky.js: filling, blocked, set, and hot machinery in one view.
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- `tools/scenes/silo.js`: Run after clear-sky.js; leave paused so the open gate keeps its demonstration charge.
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- `tools/scenes/slope-conveyors.js`: Loaded sidewall conveyor and screen. Use --js 'slopeScene(false)' (belt) or 'slopeScene(true)' (screen).
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- `tools/scenes/stone-uses.js`: The stone and sand machines: a half-full silo with its gate open over a belt, a stone cutter fed with rubble, and cut stone and glass brick walls. Run clear-sky.js first, e.g. python3 tools/shot.py /tmp/stone.png --setup tools/scenes/clear-sky.js --js "$(cat tools/scenes/stone-uses.js)" --ticks 240 --zoom 7
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- `tools/scenes/t33-ground.js`: Paused dug pocket: copper ore, rubble and dirt against stone, granite and dirt. Use --js "..." to set daylight or R.lens after this setup; CAM frames the pocket.
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- `tools/scenes/t35-diagonal.js`: Run after clear-sky.js: a belt takes sand from a pile, up a diagonal screw to an upper belt.
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