125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// physic.c - physics engine wrapper
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//=======================================================================
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#include "cm_local.h"
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physic_imp_t pi;
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stdlib_api_t com;
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physic_t ph; // physic globalstate
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byte *physpool;
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byte *cmappool;
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NewtonWorld *gWorld;
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int app_name;
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cvar_t *cm_use_triangles;
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cvar_t *cm_solver_model;
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cvar_t *cm_friction_model;
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cvar_t *cm_physics_model;
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cvar_t *cm_debugdraw;
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cvar_t *cm_novis;
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bool InitPhysics( void )
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{
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char dev_level[4];
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physpool = Mem_AllocPool("Physics Pool");
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cmappool = Mem_AllocPool("CM Zone");
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gWorld = NewtonCreate( Palloc, Pfree ); // alloc world
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app_name = g_Instance;
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// check developer mode
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if( FS_GetParmFromCmdLine("-dev", dev_level ))
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ph.developer = com.atoi(dev_level);
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CM_CollisionInit();
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CM_InitMaterials();
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cm_noareas = Cvar_Get( "cm_noareas", "0", 0, "ignore clipmap areas" );
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cm_use_triangles = Cvar_Get("cm_convert_polygons", "1", CVAR_SYSTEMINFO, "convert bsp polygons to triangles, slowly but more safety way" );
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cm_solver_model = Cvar_Get("cm_solver", "0", CVAR_ARCHIVE|CVAR_LATCH, "change solver model: 0 - precision, 1 - adaptive, 2 - fast. (changes need restart server to take effect)" );
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cm_friction_model = Cvar_Get("cm_friction", "0", CVAR_ARCHIVE|CVAR_LATCH, "change solver model: 0 - precision, 1 - adaptive. (changes need restart server to take effect)" );
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cm_physics_model = Cvar_Get("cm_physic", "1", CVAR_ARCHIVE|CVAR_LATCH, "change physic model: 0 - Classic Quake Physic, 1 - Physics Engine" );
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cm_debugdraw = Cvar_Get( "cm_debugdraw", "0", CVAR_ARCHIVE, "draw physics hulls" );
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cm_novis = Cvar_Get( "r_novis", "0", 0, "ignore vis information (perfomance test)" );
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return true;
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}
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void PhysFrame( float time )
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{
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NewtonUpdate( gWorld, time );
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}
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void FreePhysics( void )
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{
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CM_FreeBSP();
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NewtonDestroy( gWorld );
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Mem_FreePool( &cmappool );
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Mem_FreePool( &physpool );
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}
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physic_exp_t DLLEXPORT *CreateAPI ( stdlib_api_t *input, physic_imp_t *engfuncs )
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{
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static physic_exp_t Phys;
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com = *input;
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// Sys_LoadLibrary can create fake instance, to check
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// api version and api size, but second argument will be 0
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// and always make exception, run simply check for avoid it
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if(engfuncs) pi = *engfuncs;
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// generic functions
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Phys.api_size = sizeof(physic_exp_t);
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Phys.Init = InitPhysics;
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Phys.Shutdown = FreePhysics;
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Phys.WriteCollisionLump = CM_SaveCollisionTree;
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Phys.DrawCollision = DebugShowCollision;
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Phys.LoadBSP = CM_LoadBSP;
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Phys.FreeBSP = CM_FreeBSP;
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Phys.BeginRegistration = CM_BeginRegistration;
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Phys.RegisterModel = CM_RegisterModel;
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Phys.EndRegistration = CM_EndRegistration;
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Phys.SetAreaPortals = CM_SetAreaPortals;
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Phys.GetAreaPortals = CM_GetAreaPortals;
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Phys.SetAreaPortalState = CM_SetAreaPortalState;
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Phys.NumClusters = CM_NumClusters;
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Phys.NumTextures = CM_NumTextures;
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Phys.NumBmodels = CM_NumInlineModels;
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Phys.GetEntityString = CM_EntityString;
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Phys.GetTextureName = CM_TexName;
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Phys.ClipToGenericEntity = CM_CollisionClipToGenericEntity;
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Phys.ClipToWorld = CM_CollisionClipToWorld;
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Phys.CombineTraces = CM_CollisionCombineTraces;
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Phys.ClusterPVS = CM_ClusterPVS;
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Phys.ClusterPHS = CM_ClusterPHS;
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Phys.PointLeafnum = CM_PointLeafnum;
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Phys.BoxLeafnums = CM_BoxLeafnums;
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Phys.LeafCluster = CM_LeafCluster;
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Phys.LeafArea = CM_LeafArea;
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Phys.AreasConnected = CM_AreasConnected;
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Phys.WriteAreaBits = CM_WriteAreaBits;
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Phys.Frame = PhysFrame;
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Phys.CreateBody = Phys_CreateBody;
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Phys.CreatePlayer = Phys_CreatePlayer;
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Phys.SetParameters = Phys_SetParameters;
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Phys.PlayerMove = CM_PlayerMove;
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Phys.SetOrigin = CM_SetOrigin;
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Phys.GetForce = Phys_GetForce;
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Phys.SetForce = Phys_SetForce;
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Phys.GetMassCentre = Phys_GetMassCentre;
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Phys.SetMassCentre = Phys_SetMassCentre;
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Phys.RemoveBody = Phys_RemoveBody;
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return &Phys;
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} |