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feat(editor): add WSTM (Stat Modifier Curve) open catalog format

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Open replacement for the gtChanceTo*.dbc / gtRegen*.dbc /
gtCombatRatings.dbc family of "1D level-keyed curve" tables.
Each entry defines a single linear curve mapping character level
to a stat value: melee crit chance per level, mana regen per
spirit per level, base armor per level, etc.

Curves are linear: value(level) = baseValue + perLevelDelta *
(level - 1), with the result optionally scaled by a global
multiplier and clamped to a level range. Most stock WoW curves
fit this shape — the few that don't (cubic Combat Ratings) live
in the dedicated WCRR catalog with spline support.

Distinct from WCRR (Combat Rating conversion, integer ratings ->
percentages) and WSPC (Spell Power Cost buckets, per-spell
costs). WSTM is for the generic engine-side stat curves that
aren't per-spell or per-rating.

Seven curveKind values classify the major stat families (Crit /
Hit / Power / Regen / Resist / Mitigation / Misc), and each
curve carries its own [minLevel, maxLevel] applicability range
plus a multiplier for global scaling without retuning each
curve's slope.

Three preset emitters: --gen-stm (5 crit-related curves with
canonical 3.3.5a base+per-level scaling — MeleeCrit 5%+0.05/lvl
resolves to 8.95% at lvl 80), --gen-stm-regen (4 regen curves
including ManaPerSpirit and the Vanilla-era 3 rage/sec OOC
decay), --gen-stm-armor (3 armor/mitigation/resistance curves).

The info renderer demos resolveAtLevel(curveId, 80) inline as
the @lvl80 column — server admins can sanity-check what each
curve resolves to at character cap without writing test code.

Validation enforces id+name presence, curveKind 0..6,
minLevel<=maxLevel, no duplicate ids; warns on:
  - maxLevel > 80 (unreachable at WotLK cap)
  - multiplier=0 (curve always evaluates to 0)
  - multiplier<0 (inverts the curve — possibly intentional)
  - perLevelDelta<0 (curve shrinks with level — unusual)

Wired through the cross-format table; WSTM appears in all 18
cross-format utilities. Format count 93 -> 94; CLI flag count
1076 -> 1081.
This commit is contained in:
Kelsi 2026-05-10 00:05:07 -07:00
parent 68c20bd152
commit 9a85cc029e
10 changed files with 646 additions and 0 deletions
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244
tools/editor/cli_stat_curves_catalog.cpp Normal file
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#include "cli_stat_curves_catalog.hpp"
#include "cli_arg_parse.hpp"
#include "cli_box_emitter.hpp"
#include "pipeline/wowee_stat_curves.hpp"
#include <nlohmann/json.hpp>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <fstream>
#include <string>
#include <vector>
namespace wowee {
namespace editor {
namespace cli {
namespace {
std::string stripWstmExt(std::string base) {
stripExt(base, ".wstm");
return base;
}
bool saveOrError(const wowee::pipeline::WoweeStatCurve& c,
const std::string& base, const char* cmd) {
if (!wowee::pipeline::WoweeStatCurveLoader::save(c, base)) {
std::fprintf(stderr, "%s: failed to save %s.wstm\n",
cmd, base.c_str());
return false;
}
return true;
}
void printGenSummary(const wowee::pipeline::WoweeStatCurve& c,
const std::string& base) {
std::printf("Wrote %s.wstm\n", base.c_str());
std::printf(" catalog : %s\n", c.name.c_str());
std::printf(" curves : %zu\n", c.entries.size());
}
int handleGenCrit(int& i, int argc, char** argv) {
std::string base = argv[++i];
std::string name = "CritCurves";
if (parseOptArg(i, argc, argv)) name = argv[++i];
base = stripWstmExt(base);
auto c = wowee::pipeline::WoweeStatCurveLoader::makeCrit(name);
if (!saveOrError(c, base, "gen-stm")) return 1;
printGenSummary(c, base);
return 0;
}
int handleGenRegen(int& i, int argc, char** argv) {
std::string base = argv[++i];
std::string name = "RegenCurves";
if (parseOptArg(i, argc, argv)) name = argv[++i];
base = stripWstmExt(base);
auto c = wowee::pipeline::WoweeStatCurveLoader::makeRegen(name);
if (!saveOrError(c, base, "gen-stm-regen")) return 1;
printGenSummary(c, base);
return 0;
}
int handleGenArmor(int& i, int argc, char** argv) {
std::string base = argv[++i];
std::string name = "ArmorCurves";
if (parseOptArg(i, argc, argv)) name = argv[++i];
base = stripWstmExt(base);
auto c = wowee::pipeline::WoweeStatCurveLoader::makeArmor(name);
if (!saveOrError(c, base, "gen-stm-armor")) return 1;
printGenSummary(c, base);
return 0;
}
int handleInfo(int& i, int argc, char** argv) {
std::string base = argv[++i];
bool jsonOut = consumeJsonFlag(i, argc, argv);
base = stripWstmExt(base);
if (!wowee::pipeline::WoweeStatCurveLoader::exists(base)) {
std::fprintf(stderr, "WSTM not found: %s.wstm\n", base.c_str());
return 1;
}
auto c = wowee::pipeline::WoweeStatCurveLoader::load(base);
if (jsonOut) {
nlohmann::json j;
j["wstm"] = base + ".wstm";
j["name"] = c.name;
j["count"] = c.entries.size();
nlohmann::json arr = nlohmann::json::array();
for (const auto& e : c.entries) {
arr.push_back({
{"curveId", e.curveId},
{"name", e.name},
{"description", e.description},
{"curveKind", e.curveKind},
{"curveKindName", wowee::pipeline::WoweeStatCurve::curveKindName(e.curveKind)},
{"minLevel", e.minLevel},
{"maxLevel", e.maxLevel},
{"baseValue", e.baseValue},
{"perLevelDelta", e.perLevelDelta},
{"multiplier", e.multiplier},
{"valueAtLevel80", c.resolveAtLevel(e.curveId, 80)},
{"iconColorRGBA", e.iconColorRGBA},
});
}
j["entries"] = arr;
std::printf("%s\n", j.dump(2).c_str());
return 0;
}
std::printf("WSTM: %s.wstm\n", base.c_str());
std::printf(" catalog : %s\n", c.name.c_str());
std::printf(" curves : %zu\n", c.entries.size());
if (c.entries.empty()) return 0;
std::printf(" id kind minL maxL base perLvl mult @lvl80 name\n");
for (const auto& e : c.entries) {
std::printf(" %4u %-10s %3u %3u %7.3f %7.4f %5.2f %7.3f %s\n",
e.curveId,
wowee::pipeline::WoweeStatCurve::curveKindName(e.curveKind),
e.minLevel, e.maxLevel,
e.baseValue, e.perLevelDelta, e.multiplier,
c.resolveAtLevel(e.curveId, 80),
e.name.c_str());
}
return 0;
}
int handleValidate(int& i, int argc, char** argv) {
std::string base = argv[++i];
bool jsonOut = consumeJsonFlag(i, argc, argv);
base = stripWstmExt(base);
if (!wowee::pipeline::WoweeStatCurveLoader::exists(base)) {
std::fprintf(stderr,
"validate-wstm: WSTM not found: %s.wstm\n", base.c_str());
return 1;
}
auto c = wowee::pipeline::WoweeStatCurveLoader::load(base);
std::vector<std::string> errors;
std::vector<std::string> warnings;
if (c.entries.empty()) {
warnings.push_back("catalog has zero entries");
}
std::vector<uint32_t> idsSeen;
for (size_t k = 0; k < c.entries.size(); ++k) {
const auto& e = c.entries[k];
std::string ctx = "entry " + std::to_string(k) +
" (id=" + std::to_string(e.curveId);
if (!e.name.empty()) ctx += " " + e.name;
ctx += ")";
if (e.curveId == 0)
errors.push_back(ctx + ": curveId is 0");
if (e.name.empty())
errors.push_back(ctx + ": name is empty");
if (e.curveKind > wowee::pipeline::WoweeStatCurve::Misc) {
errors.push_back(ctx + ": curveKind " +
std::to_string(e.curveKind) + " not in 0..6");
}
if (e.minLevel > e.maxLevel) {
errors.push_back(ctx + ": minLevel " +
std::to_string(e.minLevel) +
" > maxLevel " + std::to_string(e.maxLevel) +
" — curve will never apply");
}
if (e.maxLevel > 80) {
warnings.push_back(ctx +
": maxLevel " + std::to_string(e.maxLevel) +
" > 80 — characters cap at 80 in WotLK");
}
if (e.multiplier == 0.0f)
warnings.push_back(ctx +
": multiplier=0 — curve always evaluates to 0");
if (e.multiplier < 0.0f)
warnings.push_back(ctx +
": multiplier=" + std::to_string(e.multiplier) +
" (< 0) — inverts the curve, double-check this "
"is intentional");
// Negative perLevelDelta is unusual — most stats
// grow with level.
if (e.perLevelDelta < 0.0f)
warnings.push_back(ctx +
": perLevelDelta=" + std::to_string(e.perLevelDelta) +
" (< 0) — curve shrinks with level, double-check");
for (uint32_t prev : idsSeen) {
if (prev == e.curveId) {
errors.push_back(ctx + ": duplicate curveId");
break;
}
}
idsSeen.push_back(e.curveId);
}
bool ok = errors.empty();
if (jsonOut) {
nlohmann::json j;
j["wstm"] = base + ".wstm";
j["ok"] = ok;
j["errors"] = errors;
j["warnings"] = warnings;
std::printf("%s\n", j.dump(2).c_str());
return ok ? 0 : 1;
}
std::printf("validate-wstm: %s.wstm\n", base.c_str());
if (ok && warnings.empty()) {
std::printf(" OK — %zu curves, all curveIds unique, all minLevel<=maxLevel\n",
c.entries.size());
return 0;
}
if (!warnings.empty()) {
std::printf(" warnings (%zu):\n", warnings.size());
for (const auto& w : warnings)
std::printf(" - %s\n", w.c_str());
}
if (!errors.empty()) {
std::printf(" ERRORS (%zu):\n", errors.size());
for (const auto& e : errors)
std::printf(" - %s\n", e.c_str());
}
return ok ? 0 : 1;
}
} // namespace
bool handleStatCurvesCatalog(int& i, int argc, char** argv,
int& outRc) {
if (std::strcmp(argv[i], "--gen-stm") == 0 && i + 1 < argc) {
outRc = handleGenCrit(i, argc, argv); return true;
}
if (std::strcmp(argv[i], "--gen-stm-regen") == 0 && i + 1 < argc) {
outRc = handleGenRegen(i, argc, argv); return true;
}
if (std::strcmp(argv[i], "--gen-stm-armor") == 0 && i + 1 < argc) {
outRc = handleGenArmor(i, argc, argv); return true;
}
if (std::strcmp(argv[i], "--info-wstm") == 0 && i + 1 < argc) {
outRc = handleInfo(i, argc, argv); return true;
}
if (std::strcmp(argv[i], "--validate-wstm") == 0 && i + 1 < argc) {
outRc = handleValidate(i, argc, argv); return true;
}
return false;
}
} // namespace cli
} // namespace editor
} // namespace wowee