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This commit is contained in:
aozhiwei 2020-08-13 21:27:23 +08:00
parent f7951cb780
commit be26364882
6 changed files with 133 additions and 116 deletions
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3
server/gameserver/mapinstance.cc
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@ -14,6 +14,7 @@
#include "entityfactory.h" #include "entityfactory.h"
#include "collider.h" #include "collider.h"
#include "navmeshbuilder.h" #include "navmeshbuilder.h"
#include "navmeshhelper.h"
#ifdef FIND_PATH_TEST #ifdef FIND_PATH_TEST
const int MAP_GRID_WIDTH = 40; const int MAP_GRID_WIDTH = 40;
@ -62,7 +63,7 @@ void MapInstance::Init()
abort(); abort();
} }
#ifdef DEBUG #ifdef DEBUG
NavMeshBuilder::Instance()->OutputObjFile(this); NavMeshHelper::OutputObjFile(this);
#endif #endif
#ifdef FIND_PATH_TEST #ifdef FIND_PATH_TEST
navmesh_ = NavMeshBuilder::Instance()->Build(this); navmesh_ = NavMeshBuilder::Instance()->Build(this);

1
server/gameserver/mapinstance.h
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@ -57,4 +57,5 @@ class MapInstance
int obstacle2_num_ = 0; int obstacle2_num_ = 0;
friend class NavMeshBuilder; friend class NavMeshBuilder;
friend class NavMeshHelper;
}; };

113
server/gameserver/navmeshbuilder.cc
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@ -2,17 +2,6 @@
#include <string.h> #include <string.h>
#include "Recast.h"
#include "RecastAlloc.h"
#include "DetourTileCache.h"
#include "DetourTileCacheBuilder.h"
#include "DetourNavMeshBuilder.h"
#include "DetourNavMeshQuery.h"
#include "DetourCommon.h"
#include "DetourNavMesh.h"
#include "fastlz.h"
#include "navmeshbuilder.h" #include "navmeshbuilder.h"
#include "mapinstance.h" #include "mapinstance.h"
#include "collider.h" #include "collider.h"
@ -42,108 +31,6 @@ dtNavMesh* NavMeshBuilder::Build(MapInstance* map_instance)
return builder_params.navmesh; return builder_params.navmesh;
} }
void NavMeshBuilder::OutputObjFile(MapInstance* map_instance)
{
std::vector<a8::Vec2> vertexs;
std::vector<std::tuple<int, int, int>> faces;
vertexs.reserve(10000);
for (auto& pair : map_instance->uniid_hash_) {
for (ColliderComponent* collider : *pair.second->GetColliders()) {
if (collider->type == CT_Aabb) {
AabbCollider* aabb_box = (AabbCollider*)collider;
{
a8::Vec2 vert = collider->owner->GetPos() + aabb_box->_min;
vert.x = vert.x - map_instance->map_meta_->i->map_width() / 2.0f;
vert.y = vert.y - map_instance->map_meta_->i->map_height() / 2.0f;
vertexs.push_back(vert);
vert.y += aabb_box->_max.y - aabb_box->_min.y;
vertexs.push_back(vert);
vert.x += aabb_box->_max.x - aabb_box->_min.x;
vertexs.push_back(vert);
vert.y -= aabb_box->_max.y - aabb_box->_min.y;
vertexs.push_back(vert);
}
//0 1 2
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 3 + 1,
vertexs.size() - 2 + 1
));
//0 2 3
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 2 + 1,
vertexs.size() - 1 + 1
));
}
}
}
{
std::string filename = a8::Format("%s.obj", {map_instance->map_tpl_name_});
FILE* fp = fopen(filename.c_str(), "wb");
#if 1
{
vertexs.clear();
faces.clear();
{
a8::Vec2 vert;
vert.x = 0 - map_instance->map_meta_->i->map_width() / 2.0f;
vert.y = 0 - map_instance->map_meta_->i->map_height() / 2.0f;
vertexs.push_back(vert);
vert.y += map_instance->map_meta_->i->map_height();
vertexs.push_back(vert);
vert.x += map_instance->map_meta_->i->map_width();
vertexs.push_back(vert);
vert.y -= map_instance->map_meta_->i->map_height();
vertexs.push_back(vert);
//0 1 2
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 3 + 1,
vertexs.size() - 2 + 1
));
//0 2 3
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 2 + 1,
vertexs.size() - 1 + 1
));
}
}
#endif
for (auto& vert : vertexs) {
std::string data = a8::Format("v %f %f %f\r\n",
{
vert.x,
-10,
vert.y,
});
fwrite(data.data(), 1, data.size(), fp);
}
for (auto& tuple : faces) {
std::string data = a8::Format("f %d %d %d\r\n",
{
std::get<0>(tuple),
std::get<1>(tuple),
std::get<2>(tuple)
});
fwrite(data.data(), 1, data.size(), fp);
}
fclose(fp);
}
}
void NavMeshBuilder::InitBasic(BuilderParams& builder_params) void NavMeshBuilder::InitBasic(BuilderParams& builder_params)
{ {
// Init cache // Init cache

1
server/gameserver/navmeshbuilder.h
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@ -18,7 +18,6 @@ public:
void UnInit(); void UnInit();
dtNavMesh* Build(MapInstance* map_instance); dtNavMesh* Build(MapInstance* map_instance);
void OutputObjFile(MapInstance* map_instance);
private: private:
void InitBasic(BuilderParams& builder_params); void InitBasic(BuilderParams& builder_params);

109
server/gameserver/navmeshhelper.cc
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@ -0,0 +1,109 @@
#include "precompile.h"
#include "mapinstance.h"
#include "metamgr.h"
#include "navmeshhelper.h"
#include "collider.h"
#include "entity.h"
void NavMeshHelper::OutputObjFile(MapInstance* map_instance)
{
std::vector<a8::Vec2> vertexs;
std::vector<std::tuple<int, int, int>> faces;
vertexs.reserve(10000);
for (auto& pair : map_instance->uniid_hash_) {
for (ColliderComponent* collider : *pair.second->GetColliders()) {
if (collider->type == CT_Aabb) {
AabbCollider* aabb_box = (AabbCollider*)collider;
{
a8::Vec2 vert = collider->owner->GetPos() + aabb_box->_min;
vert.x = vert.x - map_instance->map_meta_->i->map_width() / 2.0f;
vert.y = vert.y - map_instance->map_meta_->i->map_height() / 2.0f;
vertexs.push_back(vert);
vert.y += aabb_box->_max.y - aabb_box->_min.y;
vertexs.push_back(vert);
vert.x += aabb_box->_max.x - aabb_box->_min.x;
vertexs.push_back(vert);
vert.y -= aabb_box->_max.y - aabb_box->_min.y;
vertexs.push_back(vert);
}
//0 1 2
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 3 + 1,
vertexs.size() - 2 + 1
));
//0 2 3
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 2 + 1,
vertexs.size() - 1 + 1
));
}
}
}
{
std::string filename = a8::Format("%s.obj", {map_instance->map_tpl_name_});
FILE* fp = fopen(filename.c_str(), "wb");
#if 1
{
vertexs.clear();
faces.clear();
{
a8::Vec2 vert;
vert.x = 0 - map_instance->map_meta_->i->map_width() / 2.0f;
vert.y = 0 - map_instance->map_meta_->i->map_height() / 2.0f;
vertexs.push_back(vert);
vert.y += map_instance->map_meta_->i->map_height();
vertexs.push_back(vert);
vert.x += map_instance->map_meta_->i->map_width();
vertexs.push_back(vert);
vert.y -= map_instance->map_meta_->i->map_height();
vertexs.push_back(vert);
//0 1 2
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 3 + 1,
vertexs.size() - 2 + 1
));
//0 2 3
faces.push_back
(std::make_tuple
(
vertexs.size() - 4 + 1,
vertexs.size() - 2 + 1,
vertexs.size() - 1 + 1
));
}
}
#endif
for (auto& vert : vertexs) {
std::string data = a8::Format("v %f %f %f\r\n",
{
vert.x,
-10,
vert.y,
});
fwrite(data.data(), 1, data.size(), fp);
}
for (auto& tuple : faces) {
std::string data = a8::Format("f %d %d %d\r\n",
{
std::get<0>(tuple),
std::get<1>(tuple),
std::get<2>(tuple)
});
fwrite(data.data(), 1, data.size(), fp);
}
fclose(fp);
}
}

22
server/gameserver/navmeshhelper.h
View File

@ -1,5 +1,16 @@
#pragma once #pragma once
#include "Recast.h"
#include "RecastAlloc.h"
#include "DetourTileCache.h"
#include "DetourTileCacheBuilder.h"
#include "DetourNavMeshBuilder.h"
#include "DetourNavMeshQuery.h"
#include "DetourCommon.h"
#include "DetourNavMesh.h"
#include "fastlz.h"
static const int EXPECTED_LAYERS_PER_TILE = 4; static const int EXPECTED_LAYERS_PER_TILE = 4;
static const int MAX_LAYERS = 32; static const int MAX_LAYERS = 32;
@ -72,7 +83,8 @@ inline bool checkOverlapRect(const float amin[2], const float amax[2],
return overlap; return overlap;
} }
int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm, #if 1
static int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
float bmin[2], float bmax[2], float bmin[2], float bmax[2],
int* ids, const int maxIds) int* ids, const int maxIds)
{ {
@ -100,6 +112,7 @@ int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
} }
return n; return n;
} }
#endif
struct RasterizationContext struct RasterizationContext
{ {
@ -277,3 +290,10 @@ struct BuilderParams
int tw = 0; int tw = 0;
int th = 0; int th = 0;
}; };
class MapInstance;
class NavMeshHelper
{
public:
static void OutputObjFile(MapInstance* map_instance);
};