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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/utils/vvis/vis.h | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/utils/vvis/vis.h')
| -rw-r--r-- | mp/src/utils/vvis/vis.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/mp/src/utils/vvis/vis.h b/mp/src/utils/vvis/vis.h new file mode 100644 index 00000000..c4b58414 --- /dev/null +++ b/mp/src/utils/vvis/vis.h @@ -0,0 +1,125 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// vis.h
+
+#include "cmdlib.h"
+#include "mathlib/mathlib.h"
+#include "bsplib.h"
+
+
+#define MAX_PORTALS 65536
+
+#define PORTALFILE "PRT1"
+
+extern bool g_bUseRadius; // prototyping TF2, "radius vis" solution
+extern double g_VisRadius; // the radius for the TF2 "radius vis"
+
+struct plane_t
+{
+ Vector normal;
+ float dist;
+};
+
+#define MAX_POINTS_ON_WINDING 64
+#define MAX_POINTS_ON_FIXED_WINDING 12
+
+struct winding_t
+{
+ qboolean original; // don't free, it's part of the portal
+ int numpoints;
+ Vector points[MAX_POINTS_ON_FIXED_WINDING]; // variable sized
+};
+
+winding_t *NewWinding (int points);
+void FreeWinding (winding_t *w);
+winding_t *CopyWinding (winding_t *w);
+
+
+typedef enum {stat_none, stat_working, stat_done} vstatus_t;
+struct portal_t
+{
+ plane_t plane; // normal pointing into neighbor
+ int leaf; // neighbor
+
+ Vector origin; // for fast clip testing
+ float radius;
+
+ winding_t *winding;
+ vstatus_t status;
+ byte *portalfront; // [portals], preliminary
+ byte *portalflood; // [portals], intermediate
+ byte *portalvis; // [portals], final
+
+ int nummightsee; // bit count on portalflood for sort
+};
+
+struct leaf_t
+{
+ CUtlVector<portal_t *> portals;
+};
+
+
+struct pstack_t
+{
+ byte mightsee[MAX_PORTALS/8]; // bit string
+ pstack_t *next;
+ leaf_t *leaf;
+ portal_t *portal; // portal exiting
+ winding_t *source;
+ winding_t *pass;
+
+ winding_t windings[3]; // source, pass, temp in any order
+ int freewindings[3];
+
+ plane_t portalplane;
+};
+
+struct threaddata_t
+{
+ portal_t *base;
+ int c_chains;
+ pstack_t pstack_head;
+};
+
+extern int g_numportals;
+extern int portalclusters;
+
+extern portal_t *portals;
+extern leaf_t *leafs;
+
+extern int c_portaltest, c_portalpass, c_portalcheck;
+extern int c_portalskip, c_leafskip;
+extern int c_vistest, c_mighttest;
+extern int c_chains;
+
+extern byte *vismap, *vismap_p, *vismap_end; // past visfile
+
+extern int testlevel;
+
+extern byte *uncompressed;
+
+extern int leafbytes, leaflongs;
+extern int portalbytes, portallongs;
+
+
+void LeafFlow (int leafnum);
+
+
+void BasePortalVis (int iThread, int portalnum);
+void BetterPortalVis (int portalnum);
+void PortalFlow (int iThread, int portalnum);
+void WritePortalTrace( const char *source );
+
+extern portal_t *sorted_portals[MAX_MAP_PORTALS*2];
+extern int g_TraceClusterStart, g_TraceClusterStop;
+
+int CountBits (byte *bits, int numbits);
+
+#define CheckBit( bitstring, bitNumber ) ( (bitstring)[ ((bitNumber) >> 3) ] & ( 1 << ( (bitNumber) & 7 ) ) )
+#define SetBit( bitstring, bitNumber ) ( (bitstring)[ ((bitNumber) >> 3) ] |= ( 1 << ( (bitNumber) & 7 ) ) )
+#define ClearBit( bitstring, bitNumber ) ( (bitstring)[ ((bitNumber) >> 3) ] &= ~( 1 << ( (bitNumber) & 7 ) ) )
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