From 5a4c4b6e7550a34ce7bc17fbf22a06b982d9f9ab Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Wed, 8 Feb 2023 14:34:43 +0800
Subject: [PATCH] 1

---
 server/gameserver/mapinstance.cc | 37 ++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 285219b1..42fd4e35 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -729,6 +729,36 @@ void MapInstance::TraverseHouseList(std::function<void (HouseInfo*)> func)
 
 bool MapInstance::PtInHouse(const glm::vec3& pt, glm::vec3& nearest_pt)
 {
+    float fpt[3];
+    fpt[0] = pt.x;
+    fpt[1] = pt.y;
+    fpt[2] = pt.z;
+    float closest[3];
+
+    float edged[DT_VERTS_PER_POLYGON];
+    float edget[DT_VERTS_PER_POLYGON];
+    for (auto& house : houses_) {
+        float* verts = &house.verts[0];
+        if (!house.verts.empty() && dtPointInPolygon(fpt, &house.verts[0], house.verts.size())) {
+            if (dtDistancePtPolyEdgesSqr(fpt, &house.verts[0], house.verts.size(), edged, edget)) {
+                float dmin = edged[0];
+                int imin = 0;
+                for (size_t i = 1; i < house.verts.size(); ++i) {
+                    if (edged[i] < dmin) {
+                        dmin = edged[i];
+                        imin = i;
+                    }
+                }
+                const float* va = &verts[imin*3];
+                const float* vb = &verts[((imin+1)%house.verts.size())*3];
+                dtVlerp(closest, va, vb, edget[imin]);
+                nearest_pt.x = closest[0];
+                nearest_pt.y = closest[1];
+                nearest_pt.z = closest[2];
+                return true;
+            }
+        }
+    }
     return false;
 }
 
@@ -770,6 +800,13 @@ void MapInstance::LoadHouse()
 
                 HouseInfo p;
                 p.node = node;
+                {
+                    for (auto& point : new_points) {
+                        p.verts.push_back(point.x);
+                        p.verts.push_back(point.y);
+                        p.verts.push_back(point.z);
+                    }
+                }
                 houses_.push_back(p);
             }
         }