1 files changed, 79 insertions, 0 deletions
diff --git a/cheat/gmod/IPhysicsSurfaceProps.hpp b/cheat/gmod/IPhysicsSurfaceProps.hpp
new file mode 100644
index 0000000..d7003f2
--- /dev/null
+++ b/cheat/gmod/IPhysicsSurfaceProps.hpp
@@ -0,0 +1,79 @@
+#pragma once
+
+struct surfacephysicsparams_t {
+	// vphysics physical properties
+	float			friction;
+	float			elasticity;				// collision elasticity - used to compute coefficient of restitution
+	float			density;				// physical density (in kg / m^3)
+	float			thickness;				// material thickness if not solid (sheet materials) in inches
+	float			dampening;
+};
+
+struct surfaceaudioparams_t {
+	float    reflectivity;             // like elasticity, but how much sound should be reflected by this surface
+	float    hardnessFactor;           // like elasticity, but only affects impact sound choices
+	float    roughnessFactor;          // like friction, but only affects scrape sound choices   
+	float    roughThreshold;           // surface roughness > this causes "rough" scrapes, < this causes "smooth" scrapes
+	float    hardThreshold;            // surface hardness > this causes "hard" impacts, < this causes "soft" impacts
+	float    hardVelocityThreshold;    // collision velocity > this causes "hard" impacts, < this causes "soft" impacts   
+	float    highPitchOcclusion;       //a value betweeen 0 and 100 where 0 is not occluded at all and 100 is silent (except for any additional reflected sound)
+	float    midPitchOcclusion;
+	float    lowPitchOcclusion;
+};
+
+struct surfacesoundnames_t {
+	unsigned short    walkStepLeft;
+	unsigned short    walkStepRight;
+	unsigned short	  runStepLeft;
+	unsigned short	  runStepRight;
+	unsigned short    impactSoft;
+	unsigned short    impactHard;
+	unsigned short    scrapeSmooth;
+	unsigned short    scrapeRough;
+	unsigned short    bulletImpact;
+	unsigned short    rolling;
+	unsigned short    breakSound;
+	unsigned short    strainSound;
+};
+
+struct surfacegameprops_t {
+	float maxspeedfactor;
+	float jumpfactor;
+	float penetrationmodifier;
+	float damagemodifier;
+	uint16_t material;
+	uint8_t climbable;
+};
+
+struct surfacedata_t {
+	surfacephysicsparams_t	physics;	// physics parameters
+	surfaceaudioparams_t	audio;		// audio parameters
+	surfacesoundnames_t		sounds;		// names of linked sounds
+	surfacegameprops_t		game;		// Game data / properties
+};
+
+class IPhysicsSurfaceProps
+{
+public:
+	virtual ~IPhysicsSurfaceProps( void ) {}
+
+	// parses a text file containing surface prop keys
+	virtual int ParseSurfaceData( const char* pFilename, const char* pTextfile ) = 0;
+	// current number of entries in the database
+	virtual int SurfacePropCount( void ) const = 0;
+
+	virtual int GetSurfaceIndex( const char* pSurfacePropName ) const = 0;
+	virtual void GetPhysicsProperties( int surfaceDataIndex, float* density, float* thickness, float* friction, float* elasticity ) const = 0;
+
+	virtual surfacedata_t* GetSurfaceData( int surfaceDataIndex ) = 0;
+	virtual const char* GetString( unsigned short stringTableIndex ) const = 0;
+
+	virtual const char* GetPropName( int surfaceDataIndex ) const = 0;
+
+	// sets the global index table for world materials
+	// UNDONE: Make this per-CPhysCollide
+	virtual void SetWorldMaterialIndexTable( int* pMapArray, int mapSize ) = 0;
+
+	// NOTE: Same as GetPhysicsProperties, but maybe more convenient
+	//virtual void GetPhysicsParameters(int surfaceDataIndex, surfacephysicsparams_t* pParamsOut) const = 0;
+};
+\ No newline at end of file