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This commit is contained in:
aozhiwei 2023-02-11 11:28:40 +08:00
parent 81457c38d8
commit 3f994216e1
3 changed files with 44 additions and 5 deletions
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7
server/gameserver/glmhelper.cc
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@ -64,3 +64,10 @@ float GlmHelper::CalcAngle(const glm::vec3& v1, const glm::vec3& v2)
#endif
return angle / 3.1415926f;
}
void GlmHelper::FillVert(const glm::vec3& v, float* vert)
{
vert[0] = v.x;
vert[1] = v.y;
vert[2] = v.z;
}

2
server/gameserver/glmhelper.h
View File

@ -15,4 +15,6 @@ class GlmHelper
static float CalcAngle(const glm::vec3& v1, const glm::vec3& v2);
static void FillVert(const glm::vec3& v, float* vert);
};

40
server/gameserver/mapservice.cc
View File

@ -3,6 +3,8 @@
#include <math.h>
#include <memory.h>
#include "DetourCommon.h"
#include "mapservice.h"
#include "entity.h"
#include "roomobstacle.h"
@ -128,13 +130,41 @@ void MapService::AddTriangle(mc::Triangle* tri)
if (max_grid_y >= map_height_) {
max_grid_y = map_height_ - 1;
}
float tri_verts[3 * 3];
float aabb_verts[3 * 4];
{
GlmHelper::FillVert(tri->vert0, tri_verts + 3 * 0);
GlmHelper::FillVert(tri->vert1, tri_verts + 3 * 1);
GlmHelper::FillVert(tri->vert2, tri_verts + 3 * 2);
}
for (int x = min_grid_x; x <= max_grid_x; ++x) {
for (int y = min_grid_y; y <= max_grid_y; ++y) {
int grid_id = x + y * map_width_;
list_head* head = &map_cells_[grid_id];
CellNode* node = new CellNode();
node->tri = tri;
list_add_tail(&node->entry, head);
float world_x = x * cell_width_;
float world_y = y * cell_width_;
{
aabb_verts[0] = world_x;
aabb_verts[1] = 0;
aabb_verts[2] = world_y;
aabb_verts[3] = world_x + cell_width_;
aabb_verts[4] = 0;
aabb_verts[5] = world_y;
aabb_verts[6] = world_x + cell_width_;
aabb_verts[7] = 0;
aabb_verts[8] = world_y + cell_width_;
aabb_verts[9] = world_x;
aabb_verts[10] = 0;
aabb_verts[11] = world_y + cell_width_;
}
if (dtOverlapPolyPoly2D(tri_verts, 3, aabb_verts, 4)) {
int grid_id = x + y * map_width_;
list_head* head = &map_cells_[grid_id];
CellNode* node = new CellNode();
node->tri = tri;
list_add_tail(&node->entry, head);
}
}
}
}