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Fix WMO collision clipping in Stormwind

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Relax swept collision hit threshold, expand spatial grid query range,
enable WMO floor detection in first person, raise ramp rejection
threshold, and snap Z after wall collision XY adjustment.
This commit is contained in:
Kelsi 2026-02-08 13:24:56 -08:00
parent f6eaa2cf70
commit 387cc5ddf4
2 changed files with 12 additions and 9 deletions
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10
src/rendering/wmo_renderer.cpp
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@ -1859,10 +1859,10 @@ bool WMORenderer::checkWallCollision(const glm::vec3& from, const glm::vec3& to,
const auto& indices = group.collisionIndices;
// Use spatial grid: query range covering the movement segment + player radius
float rangeMinX = std::min(localFrom.x, localTo.x) - PLAYER_RADIUS - 1.0f;
float rangeMinY = std::min(localFrom.y, localTo.y) - PLAYER_RADIUS - 1.0f;
float rangeMaxX = std::max(localFrom.x, localTo.x) + PLAYER_RADIUS + 1.0f;
float rangeMaxY = std::max(localFrom.y, localTo.y) + PLAYER_RADIUS + 1.0f;
float rangeMinX = std::min(localFrom.x, localTo.x) - PLAYER_RADIUS - 2.5f;
float rangeMinY = std::min(localFrom.y, localTo.y) - PLAYER_RADIUS - 2.5f;
float rangeMaxX = std::max(localFrom.x, localTo.x) + PLAYER_RADIUS + 2.5f;
float rangeMaxY = std::max(localFrom.y, localTo.y) + PLAYER_RADIUS + 2.5f;
group.getTrianglesInRange(rangeMinX, rangeMinY, rangeMaxX, rangeMaxY, wallTriScratch);
for (uint32_t triStart : wallTriScratch) {
@ -1913,7 +1913,7 @@ bool WMORenderer::checkWallCollision(const glm::vec3& from, const glm::vec3& to,
glm::vec3 hitPoint = localFrom + (localTo - localFrom) * tHit;
glm::vec3 hitClosest = closestPointOnTriangle(hitPoint, v0, v1, v2);
float hitErrSq = glm::dot(hitClosest - hitPoint, hitClosest - hitPoint);
if (hitErrSq <= 0.04f * 0.04f) {
if (hitErrSq <= 0.5f * 0.5f) {
float side = fromDist > 0.0f ? 1.0f : -1.0f;
glm::vec3 safeLocal = hitPoint + normal * side * (PLAYER_RADIUS + 0.05f);
glm::vec3 safeWorld = glm::vec3(instance.modelMatrix * glm::vec4(safeLocal, 1.0f));