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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
#pragma once
enum {
STREAM_OFFSET_MODEL = 0,
STREAM_OFFSET_TXD = STREAM_OFFSET_MODEL+MODELINFOSIZE,
NUMSTREAMINFO = STREAM_OFFSET_TXD+TXDSTORESIZE
};
enum StreamFlags
{
STREAMFLAGS_DONT_REMOVE = 0x01,
STREAMFLAGS_SCRIPTOWNED = 0x02,
STREAMFLAGS_DEPENDENCY = 0x04,
STREAMFLAGS_PRIORITY = 0x08,
STREAMFLAGS_NOFADE = 0x10,
// TODO: this isn't named well, maybe CANT_REMOVE?
STREAMFLAGS_NOT_IN_LIST = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED,
STREAMFLAGS_KEEP_IN_MEMORY = STREAMFLAGS_DONT_REMOVE|STREAMFLAGS_SCRIPTOWNED|STREAMFLAGS_DEPENDENCY,
};
enum StreamLoadState
{
STREAMSTATE_NOTLOADED = 0,
STREAMSTATE_LOADED = 1,
STREAMSTATE_INQUEUE = 2,
STREAMSTATE_READING = 3, // channel is reading
STREAMSTATE_STARTED = 4, // first part loaded
};
enum ChannelState
{
CHANNELSTATE_IDLE = 0,
CHANNELSTATE_READING = 1,
CHANNELSTATE_STARTED = 2,
CHANNELSTATE_ERROR = 3,
};
class CStreamingInfo
{
public:
CStreamingInfo *m_next;
CStreamingInfo *m_prev;
uint8 m_loadState;
uint8 m_flags;
int16 m_nextID;
uint32 m_position;
uint32 m_size;
bool GetCdPosnAndSize(uint32 &posn, uint32 &size);
void SetCdPosnAndSize(uint32 posn, uint32 size);
void AddToList(CStreamingInfo *link);
void RemoveFromList(void);
uint32 GetCdSize(void) { return m_size; }
bool IsPriority(void) { return !!(m_flags & STREAMFLAGS_PRIORITY); }
};
struct CStreamingChannel
{
int32 streamIds[4];
int32 offsets[4];
int32 state;
int32 field24;
int32 position;
int32 size;
int32 numTries;
int32 status; // from CdStream
};
class CDirectory;
enum eLevelName;
class CStreaming
{
public:
static bool &ms_disableStreaming;
static bool &ms_bLoadingBigModel;
static int32 &ms_numModelsRequested;
static CStreamingInfo *ms_aInfoForModel; //[NUMSTREAMINFO]
static CStreamingInfo &ms_startLoadedList;
static CStreamingInfo &ms_endLoadedList;
static CStreamingInfo &ms_startRequestedList;
static CStreamingInfo &ms_endRequestedList;
static int32 &ms_oldSectorX;
static int32 &ms_oldSectorY;
static int32 &ms_streamingBufferSize;
static int8 **ms_pStreamingBuffer; //[2]
static int32 &ms_memoryUsed;
static CStreamingChannel *ms_channel; //[2]
static int32 &ms_channelError;
static int32 &ms_numVehiclesLoaded;
static int32 *ms_vehiclesLoaded; //[MAXVEHICLESLOADED]
static int32 &ms_lastVehicleDeleted;
static CDirectory *&ms_pExtraObjectsDir;
static int32 &ms_numPriorityRequests;
static bool &ms_hasLoadedLODs;
static int32 &ms_currentPedGrp;
static int32 ms_lastCullZone;
static uint16 &ms_loadedGangs;
static int32 ms_currentPedLoading;
static int32 *ms_imageOffsets; //[NUMCDIMAGES]
static int32 &ms_lastImageRead;
static int32 &ms_imageSize;
static int32 &ms_memoryAvailable;
static void Init(void);
static void Shutdown(void);
static void LoadCdDirectory(void);
static void LoadCdDirectory(const char *dirname, int32 n);
static bool ConvertBufferToObject(int8 *buf, int32 streamId);
static bool FinishLoadingLargeFile(int8 *buf, int32 streamId);
static void RequestModel(int32 model, int32 flags);
static void ReRequestModel(int32 model) { RequestModel(model, ms_aInfoForModel[model].m_flags); }
static void RequestTxd(int32 txd, int32 flags) { RequestModel(txd + STREAM_OFFSET_TXD, flags); }
static void ReRequestTxd(int32 txd) { ReRequestModel(txd + STREAM_OFFSET_TXD); }
static void RequestSubway(void);
static void RequestBigBuildings(eLevelName level);
static void RequestIslands(eLevelName level);
static void RequestSpecialModel(int32 modelId, const char *modelName, int32 flags);
static void RequestSpecialChar(int32 charId, const char *modelName, int32 flags);
static void DecrementRef(int32 id);
static void RemoveModel(int32 id);
static void RemoveTxd(int32 id) { RemoveModel(id + STREAM_OFFSET_TXD); }
static void RemoveUnusedBuildings(eLevelName level);
static void RemoveBuildings(eLevelName level);
static void RemoveUnusedBigBuildings(eLevelName level);
static void RemoveIslandsNotUsed(eLevelName level);
static void RemoveBigBuildings(eLevelName level);
static bool RemoveLoadedVehicle(void);
static bool RemoveLeastUsedModel(void);
static void RemoveAllUnusedModels(void);
static void RemoveUnusedModelsInLoadedList(void);
static bool RemoveReferencedTxds(int32 mem);
static int32 GetAvailableVehicleSlot(void);
static bool IsTxdUsedByRequestedModels(int32 txdId);
static bool AddToLoadedVehiclesList(int32 modelId);
static bool IsObjectInCdImage(int32 id);
static void HaveAllBigBuildingsLoaded(eLevelName level);
static void SetModelIsDeletable(int32 id);
static void SetModelTxdIsDeletable(int32 id);
static void SetMissionDoesntRequireModel(int32 id);
static int32 GetCdImageOffset(int32 lastPosn);
static int32 GetNextFileOnCd(int32 position, bool priority);
static void RequestModelStream(int32 ch);
static bool ProcessLoadingChannel(int32 ch);
static void RetryLoadFile(int32 ch);
static void LoadRequestedModels(void);
static void LoadAllRequestedModels(bool priority);
static void FlushChannels(void);
static void FlushRequestList(void);
static void MakeSpaceFor(int32 size);
static void ImGonnaUseStreamingMemory(void);
static void IHaveUsedStreamingMemory(void);
static void UpdateMemoryUsed(void);
static void LoadInitialPeds(void);
static void LoadInitialVehicles(void);
};
|
