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Add multi-expansion support with data-driven protocol layer

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Replace hardcoded WotLK protocol constants with a data-driven architecture
supporting Classic 1.12.1, TBC 2.4.3, and WotLK 3.3.5a. Each expansion
has JSON profiles for opcodes, update fields, and DBC layouts, plus C++
polymorphic packet parsers for binary format differences (movement flags,
speed fields, transport data, spline format, char enum layout).

Key components:
- ExpansionRegistry: scans Data/expansions/*/expansion.json at startup
- OpcodeTable: logical enum <-> wire values loaded from JSON
- UpdateFieldTable: field indices loaded from JSON per expansion
- DBCLayout: schema-driven DBC field lookups replacing magic numbers
- PacketParsers: WotLK/TBC/Classic parsers with correct flag positions
- Multi-manifest AssetManager: layered manifests with priority ordering
- HDPackManager: overlay texture packs with expansion compatibility
- Auth screen expansion picker replacing hardcoded version dropdown
This commit is contained in:
Kelsi 2026-02-12 22:56:36 -08:00
parent aa16a687c2
commit 7092844b5e
51 changed files with 5258 additions and 887 deletions
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24
src/rendering/character_preview.cpp
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@ -4,6 +4,7 @@
#include "pipeline/asset_manager.hpp"
#include "pipeline/m2_loader.hpp"
#include "pipeline/dbc_loader.hpp"
#include "pipeline/dbc_layout.hpp"
#include "core/logger.hpp"
#include <GL/glew.h>
#include <glm/gtc/matrix_transform.hpp>
@ -164,19 +165,21 @@ bool CharacterPreview::loadCharacter(game::Race race, game::Gender gender,
bool foundHair = false;
bool foundUnderwear = false;
const auto* csL = pipeline::getActiveDBCLayout() ? pipeline::getActiveDBCLayout()->getLayout("CharSections") : nullptr;
for (uint32_t r = 0; r < charSectionsDbc->getRecordCount(); r++) {
uint32_t raceId = charSectionsDbc->getUInt32(r, 1);
uint32_t sexId = charSectionsDbc->getUInt32(r, 2);
uint32_t baseSection = charSectionsDbc->getUInt32(r, 3);
uint32_t variationIndex = charSectionsDbc->getUInt32(r, 8);
uint32_t colorIndex = charSectionsDbc->getUInt32(r, 9);
uint32_t raceId = charSectionsDbc->getUInt32(r, csL ? (*csL)["RaceID"] : 1);
uint32_t sexId = charSectionsDbc->getUInt32(r, csL ? (*csL)["SexID"] : 2);
uint32_t baseSection = charSectionsDbc->getUInt32(r, csL ? (*csL)["BaseSection"] : 3);
uint32_t variationIndex = charSectionsDbc->getUInt32(r, csL ? (*csL)["VariationIndex"] : 8);
uint32_t colorIndex = charSectionsDbc->getUInt32(r, csL ? (*csL)["ColorIndex"] : 9);
if (raceId != targetRaceId || sexId != targetSexId) continue;
// Section 0: Body skin (variation=0, colorIndex = skin color)
if (baseSection == 0 && !foundSkin &&
variationIndex == 0 && colorIndex == static_cast<uint32_t>(skin)) {
std::string tex1 = charSectionsDbc->getString(r, 4);
std::string tex1 = charSectionsDbc->getString(r, csL ? (*csL)["Texture1"] : 4);
if (!tex1.empty()) {
bodySkinPath_ = tex1;
foundSkin = true;
@ -186,8 +189,8 @@ bool CharacterPreview::loadCharacter(game::Race race, game::Gender gender,
else if (baseSection == 1 && !foundFace &&
variationIndex == static_cast<uint32_t>(face) &&
colorIndex == static_cast<uint32_t>(skin)) {
std::string tex1 = charSectionsDbc->getString(r, 4);
std::string tex2 = charSectionsDbc->getString(r, 5);
std::string tex1 = charSectionsDbc->getString(r, csL ? (*csL)["Texture1"] : 4);
std::string tex2 = charSectionsDbc->getString(r, csL ? (*csL)["Texture2"] : 5);
if (!tex1.empty()) faceLowerPath = tex1;
if (!tex2.empty()) faceUpperPath = tex2;
foundFace = true;
@ -196,7 +199,7 @@ bool CharacterPreview::loadCharacter(game::Race race, game::Gender gender,
else if (baseSection == 3 && !foundHair &&
variationIndex == static_cast<uint32_t>(hairStyle) &&
colorIndex == static_cast<uint32_t>(hairColor)) {
std::string tex1 = charSectionsDbc->getString(r, 4);
std::string tex1 = charSectionsDbc->getString(r, csL ? (*csL)["Texture1"] : 4);
if (!tex1.empty()) {
hairScalpPath = tex1;
foundHair = true;
@ -205,7 +208,8 @@ bool CharacterPreview::loadCharacter(game::Race race, game::Gender gender,
// Section 4: Underwear (variation=0, colorIndex = skin color)
else if (baseSection == 4 && !foundUnderwear &&
variationIndex == 0 && colorIndex == static_cast<uint32_t>(skin)) {
for (int f = 4; f <= 6; f++) {
uint32_t texBase = csL ? (*csL)["Texture1"] : 4;
for (uint32_t f = texBase; f <= texBase + 2; f++) {
std::string tex = charSectionsDbc->getString(r, f);
if (!tex.empty()) {
underwearPaths.push_back(tex);