1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
#ifndef OPENMW_COMPONENTS_TERRAIN_CHUNKMANAGER_H
#define OPENMW_COMPONENTS_TERRAIN_CHUNKMANAGER_H
#include <tuple>
#include <components/resource/resourcemanager.hpp>
#include "buffercache.hpp"
#include "quadtreeworld.hpp"
namespace osg
{
class Group;
class Texture2D;
}
namespace Resource
{
class SceneManager;
}
namespace Terrain
{
class TextureManager;
class CompositeMapRenderer;
class Storage;
class CompositeMap;
class TerrainDrawable;
struct TemplateKey
{
osg::Vec2f mCenter;
unsigned char mLod;
};
inline auto tie(const TemplateKey& v)
{
return std::tie(v.mCenter, v.mLod);
}
inline bool operator<(const TemplateKey& l, const TemplateKey& r)
{
return tie(l) < tie(r);
}
inline bool operator==(const TemplateKey& l, const TemplateKey& r)
{
return tie(l) == tie(r);
}
struct ChunkKey
{
osg::Vec2f mCenter;
unsigned char mLod;
unsigned mLodFlags;
};
inline auto tie(const ChunkKey& v)
{
return std::tie(v.mCenter, v.mLod, v.mLodFlags);
}
inline bool operator<(const ChunkKey& l, const ChunkKey& r)
{
return tie(l) < tie(r);
}
inline bool operator<(const ChunkKey& l, const TemplateKey& r)
{
return TemplateKey{ .mCenter = l.mCenter, .mLod = l.mLod } < r;
}
/// @brief Handles loading and caching of terrain chunks
class ChunkManager : public Resource::GenericResourceManager<ChunkKey>, public QuadTreeWorld::ChunkManager
{
public:
explicit ChunkManager(Storage* storage, Resource::SceneManager* sceneMgr, TextureManager* textureManager,
CompositeMapRenderer* renderer, ESM::RefId worldspace, double expiryDelay);
osg::ref_ptr<osg::Node> getChunk(float size, const osg::Vec2f& center, unsigned char lod, unsigned int lodFlags,
bool activeGrid, const osg::Vec3f& viewPoint, bool compile) override;
void setCompositeMapSize(unsigned int size) { mCompositeMapSize = size; }
void setCompositeMapLevel(float level) { mCompositeMapLevel = level; }
void setMaxCompositeGeometrySize(float maxCompGeometrySize) { mMaxCompGeometrySize = maxCompGeometrySize; }
void setNodeMask(unsigned int mask) { mNodeMask = mask; }
unsigned int getNodeMask() override { return mNodeMask; }
void reportStats(unsigned int frameNumber, osg::Stats* stats) const override;
void clearCache() override;
void releaseGLObjects(osg::State* state) override;
private:
osg::ref_ptr<osg::Node> createChunk(float size, const osg::Vec2f& center, unsigned char lod,
unsigned int lodFlags, bool compile, const TerrainDrawable* templateGeometry);
osg::ref_ptr<osg::Texture2D> createCompositeMapRTT();
void createCompositeMapGeometry(
float chunkSize, const osg::Vec2f& chunkCenter, const osg::Vec4f& texCoords, CompositeMap& map);
std::vector<osg::ref_ptr<osg::StateSet>> createPasses(
float chunkSize, const osg::Vec2f& chunkCenter, bool forCompositeMap);
Terrain::Storage* mStorage;
Resource::SceneManager* mSceneManager;
TextureManager* mTextureManager;
CompositeMapRenderer* mCompositeMapRenderer;
BufferCache mBufferCache;
osg::ref_ptr<osg::StateSet> mMultiPassRoot;
unsigned int mNodeMask;
unsigned int mCompositeMapSize;
float mCompositeMapLevel;
float mMaxCompGeometrySize;
};
}
#endif
|
