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Upgrades WOM from geometry-only (WOM1) to fully animated (WOM2): - WOM2 magic (0x324D4F57) for animated models, WOM1 for static - Vertex extended: +boneWeights[4] +boneIndices[4] (40 bytes vs 32) - Bone data: keyBoneId, parentBone, pivot, flags per bone - Animation data: per-sequence per-bone keyframes with translation, rotation (quaternion), scale at millisecond timestamps - fromM2() now preserves all skeletal data: bone hierarchy, weights, and per-sequence keyframes from M2 animation tracks - Backward compatible: WOM1 files load without bone data (32-byte vertices read and padded with default bone weights) - FORMAT_SPEC.md updated with WOM2 binary layout
90 lines
4.2 KiB
Markdown
90 lines
4.2 KiB
Markdown
# Wowee Open Format Specification v1.1
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Novel file formats for custom WoW zone content. No Blizzard IP.
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## WOT — Wowee Open Terrain (JSON metadata)
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- Extension: `.wot`
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- Contains: tile coords, texture list, per-chunk layers/holes, water data,
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doodad placements (M2 objects), WMO placements (buildings)
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- Key: `"format": "wot-1.0"`
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- Placement fields: `doodadNames[]`, `doodads[]` (nameId, uniqueId, pos, rot, scale, flags)
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- WMO fields: `wmoNames[]`, `wmos[]` (nameId, uniqueId, pos, rot, flags, doodadSet)
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## WHM — Wowee HeightMap (binary)
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- Extension: `.whm`
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- Magic: `WHM1` (0x314D4857)
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- Layout: magic(4) + chunks(4) + vertsPerChunk(4) + per-chunk data × 256
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- Per-chunk: baseHeight(4) + heights[145](580) + alphaSize(4) + alphaData(alphaSize)
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- Alpha data: raw alpha blend maps for texture layers (same format as ADT MCAL)
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- Backward compatible: older WHM files without alpha data still load (alphaSize=0)
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## WOM — Wowee Open Model (binary)
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- Extension: `.wom`
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- Magic: `WOM1` (0x314D4F57) for static, `WOM2` (0x324D4F57) for animated
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- Layout: magic(4) + vertCount(4) + indexCount(4) + texCount(4) + bounds(28) + name + vertices + indices + texPaths
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- WOM1 Vertex: position(vec3) + normal(vec3) + texCoord(vec2) = 32 bytes
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- WOM2 Vertex: + boneWeights(4) + boneIndices(4) = 40 bytes
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- WOM2 Bones: boneCount(4) + [keyBoneId(4) + parentBone(2) + pivot(12) + flags(4)] × N
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- WOM2 Animations: animCount(4) + [id(4) + duration(4) + speed(4) + per-bone keyframes] × N
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- Keyframe: timeMs(4) + translation(12) + rotation(16) + scale(12) = 44 bytes
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- Backward compatible: WOM1 files load without bone/animation data
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## WOB — Wowee Open Building (binary)
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- Extension: `.wob`
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- Magic: `WOB1` (0x31424F57)
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- Layout: magic(4) + groupCount(4) + portalCount(4) + doodadCount(4) + bounds(4) + name + groups + portals + doodads
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- Group: name + vertexCount(4) + indexCount(4) + texCount(4) + outdoor(1) + bounds(24)
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+ vertices(pos+normal+uv+color) + indices + texPaths + materialCount(4) + materials
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- Material: texturePath + flags(4) + shader(4) + blendMode(4)
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- Doodad: modelPath + position(12) + rotation(12) + scale(4)
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- Portal: groupA(4) + groupB(4) + vertexCount(4) + vertices
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## WCP — Wowee Content Pack (archive)
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- Extension: `.wcp`
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- Magic: `WCP1` (0x31504357)
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- Layout: magic(4) + fileCount(4) + infoJsonSize(4) + infoJSON + [pathLen(2) + path + dataSize(4) + data] × N
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- Info JSON includes categorized file list (terrain/model/building/texture/data)
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## zone.json — Map Definition
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- Replaces WDT
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- Fields: `mapName`, `displayName`, `mapId`, `biome`, `baseHeight`
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- `hasCreatures`, `description`, `tiles` array, `files` map
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- `doodadNames[]`, `doodads[]`, `wmoNames[]`, `wmos[]` for placed objects
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- `editorVersion` for compatibility tracking
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## JSON DBC — Data Table Replacement
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- Replaces binary DBC files
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- Format: `{"format": "wowee-dbc-json-1.0", "records": [...], "fieldCount": N}`
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- Records are arrays of mixed types: integers, floats, strings
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- Client loads via DBCFile::loadJSON() when found in custom_zones/ or output/
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## PNG Textures — Texture Replacement
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- Replaces BLP texture files
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- Standard PNG format, loaded by client's texture override system
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- Editor auto-converts BLP→PNG on export via stb_image_write
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## WOC — Wowee Open Collision (binary)
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- Extension: `.woc`
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- Magic: `WOC1` (0x31434F57)
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- Layout: magic(4) + triCount(4) + tileX(4) + tileY(4) + boundsMin(12) + boundsMax(12) + triangles
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- Triangle: v0(12) + v1(12) + v2(12) + flags(1) = 37 bytes
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- Flags: 0x01=walkable, 0x02=water, 0x04=steep, 0x08=indoor
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- Generated from terrain heightmap with slope classification (50 deg threshold)
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- Respects terrain holes (skips triangles in hole regions)
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## Terrain Stamps (.json)
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- Portable terrain feature snapshots (mountains, craters, etc.)
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- Format: `{"format": "wowee-stamp-1.0", "vertices": [[dx, dy, height], ...]}`
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- Can be saved/loaded across zones and sessions
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## Open Format Scoring (0-7)
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1. WOT terrain metadata present
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2. WHM heightmap with valid magic
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3. zone.json map definition
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4. PNG textures present
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5. WOM models with valid magic
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6. WOB buildings with valid magic
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7. WOC collision mesh with valid magic
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## All formats are novel, portable, and open for redistribution.
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## No Blizzard intellectual property is used in any format definition.
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