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7bc9fa556f
Parse $FSD animation events from M2 models (WotLK per-sequence arrays and vanilla/TBC global-timeline bucketing) and trigger player/mount footsteps on the authored foot-strike keyframes, with a synthetic gallop fallback for models without events. Mount families now route to proper sample banks: horse/ram hooves, kodo huge thuds, softened padded paws, and mounted water steps get the splash treatment.
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
#include <catch_amalgamated.hpp>
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#include "pipeline/m2_loader.hpp"
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#include <filesystem>
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#include <fstream>
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#include <string>
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#include <vector>
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// M2 models embed $FSD (footfall) animation events — the keyframes the game
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// client uses to sync footstep sounds to feet striking the ground. The loader
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// collects them into M2Model::footstepEventTimes, one sorted ms-list per
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// sequence index. WotLK (v264) stores per-sequence timestamp arrays; vanilla
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// (v256) stores one flat global-timeline array that must be bucketed by each
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// sequence's [start, end) window. Expected values below were extracted from
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// the raw files with an independent Python parser.
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using wowee::pipeline::M2Loader;
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using wowee::pipeline::M2Model;
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namespace {
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std::vector<uint8_t> readFile(const std::string& relPath) {
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const auto path = std::filesystem::path(WOWEE_SOURCE_DIR) / relPath;
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std::ifstream in(path, std::ios::binary);
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if (!in) return {};
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return std::vector<uint8_t>(std::istreambuf_iterator<char>(in),
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std::istreambuf_iterator<char>());
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}
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// Sequence index of the first sequence with the given animation ID and
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// variation 0, or -1.
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int findSequenceIndex(const M2Model& model, uint32_t animId) {
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for (size_t i = 0; i < model.sequences.size(); i++) {
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if (model.sequences[i].id == animId && model.sequences[i].variationIndex == 0) {
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return static_cast<int>(i);
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}
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}
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return -1;
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}
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} // namespace
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TEST_CASE("WotLK riding horse has 4-beat gallop footfall events", "[m2][footstep]") {
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auto data = readFile("Data/creature/ridinghorse/ridinghorse.m2");
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if (data.empty()) {
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SUCCEED("model asset not extracted; optional real-asset coverage skipped");
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return;
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}
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M2Model model = M2Loader::load(data);
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REQUIRE(model.version >= 264);
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REQUIRE(model.footstepEventTimes.size() == model.sequences.size());
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const int walkIdx = findSequenceIndex(model, 4);
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REQUIRE(walkIdx >= 0);
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CHECK(model.footstepEventTimes[walkIdx] == std::vector<uint32_t>{67, 333, 467, 733});
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const int runIdx = findSequenceIndex(model, 5);
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REQUIRE(runIdx >= 0);
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// Gallop: four hoofbeats clustered in the front of the 800ms stride,
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// then airborne suspension.
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CHECK(model.footstepEventTimes[runIdx] == std::vector<uint32_t>{134, 234, 334, 500});
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}
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TEST_CASE("WotLK human male has alternating biped footfall events", "[m2][footstep]") {
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auto data = readFile("Data/character/human/male/humanmale.m2");
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if (data.empty()) {
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SUCCEED("model asset not extracted; optional real-asset coverage skipped");
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return;
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}
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M2Model model = M2Loader::load(data);
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REQUIRE(model.version >= 264);
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const int runIdx = findSequenceIndex(model, 5);
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REQUIRE(runIdx >= 0);
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CHECK(model.footstepEventTimes[runIdx] == std::vector<uint32_t>{267, 600});
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}
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TEST_CASE("Vanilla model buckets global-timeline footfall events per sequence", "[m2][footstep]") {
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auto data = readFile("Data/expansions/turtle/overlay/creature/orcmalewarriorlight/OrcMaleWarriorLight.m2");
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if (data.empty()) {
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SUCCEED("model asset not extracted; optional real-asset coverage skipped");
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return;
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}
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M2Model model = M2Loader::load(data);
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REQUIRE(model.version < 264);
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REQUIRE(model.footstepEventTimes.size() == model.sequences.size());
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const int walkIdx = findSequenceIndex(model, 4);
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REQUIRE(walkIdx >= 0);
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CHECK(model.footstepEventTimes[walkIdx] == std::vector<uint32_t>{266, 800});
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const int runIdx = findSequenceIndex(model, 5);
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REQUIRE(runIdx >= 0);
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CHECK(model.footstepEventTimes[runIdx] == std::vector<uint32_t>{233, 567});
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}
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