void CMomentumGameMovement::CategorizeGroundSurface(trace_t &pm)
{
IPhysicsSurfaceProps *physprops = MoveHelper()->GetSurfaceProps();
//CMomentumPlayer *player = GetMomentumPlayer();
player->m_surfaceProps = pm.surface.surfaceProps;
player->m_pSurfaceData = physprops->GetSurfaceData(player->m_surfaceProps);
physprops->GetPhysicsProperties(player->m_surfaceProps, NULL, NULL, &player->m_surfaceFriction, NULL);
// HACKHACK: Scale this to fudge the relationship between vphysics friction values and player friction values.
// A value of 0.8f feels pretty normal for vphysics, whereas 1.0f is normal for players.
// This scaling trivially makes them equivalent. REVISIT if this affects low friction surfaces too much.
player->m_surfaceFriction *= 1.25f;
if (player->m_surfaceFriction > 1.0f || (player->m_pSurfaceData->game.material == 'D'
&& player->m_pSurfaceData->physics.friction == 0.35f))
player->m_surfaceFriction = 1.0f;//fix for snow friction
player->m_chTextureType = player->m_pSurfaceData->game.material;
}
void CMomentumGameMovement::CategorizePosition(float flReflectNormal)
{
Vector point;
trace_t pm;
// Reset this each time we-recategorize, otherwise we have bogus friction when we jump into water and plunge downward really quickly
player->m_surfaceFriction = 1.0f;
// if the player hull point one unit down is solid, the player
// is on ground
// see if standing on something solid
// Doing this before we move may introduce a potential latency in water detection, but
// doing it after can get us stuck on the bottom in water if the amount we move up
// is less than the 1 pixel 'threshold' we're about to snap to. Also, we'll call
// this several times per frame, so we really need to avoid sticking to the bottom of
// water on each call, and the converse case will correct itself if called twice.
CheckWater();
// observers don't have a ground entity
if (player->IsObserver())
return;
float flOffset = 2.0f;
point[0] = mv->GetAbsOrigin()[0];
point[1] = mv->GetAbsOrigin()[1];
point[2] = mv->GetAbsOrigin()[2] - flOffset;
Vector bumpOrigin;
bumpOrigin = mv->GetAbsOrigin();
// Shooting up really fast. Definitely not on ground.
// On ladder moving up, so not on ground either
// NOTE: 145 is a jump.
#define NON_JUMP_VELOCITY 140.0f
float zvel = mv->m_vecVelocity[2];
bool bMovingUp = zvel > 0.0f;
bool bMovingUpRapidly = zvel > NON_JUMP_VELOCITY;
float flGroundEntityVelZ = 0.0f;
if (bMovingUpRapidly)
{
// Tracker 73219, 75878: ywb 8/2/07
// After save/restore (and maybe at other times), we can get a case where we were saved on a lift and
// after restore we'll have a high local velocity due to the lift making our abs velocity appear high.
// We need to account for standing on a moving ground object in that case in order to determine if we really
// are moving away from the object we are standing on at too rapid a speed. Note that CheckJump already sets
// ground entity to NULL, so this wouldn't have any effect unless we are moving up rapidly not from the jump button.
CBaseEntity *ground = player->GetGroundEntity();
if (ground)
{
flGroundEntityVelZ = ground->GetAbsVelocity().z;
bMovingUpRapidly = (zvel - flGroundEntityVelZ) > NON_JUMP_VELOCITY;
}
}
// Was on ground, but now suddenly am not
if (bMovingUpRapidly ||
(bMovingUp && player->GetMoveType() == MOVETYPE_LADDER))
{
SetGroundEntity(NULL);
}
else
{
// Try and move down.
TryTouchGround(bumpOrigin, point, GetPlayerMins(), GetPlayerMaxs(), MASK_PLAYERSOLID, COLLISION_GROUP_PLAYER_MOVEMENT, pm);
// Was on ground, but now suddenly am not. If we hit a steep plane, we are not on ground
if (!pm.m_pEnt || pm.plane.normal[2] < 0.7)
{
// Test four sub-boxes, to see if any of them would have found shallower slope we could actually stand on
TryTouchGroundInQuadrants(bumpOrigin, point, MASK_PLAYERSOLID, COLLISION_GROUP_PLAYER_MOVEMENT, pm);
if (!pm.m_pEnt || pm.plane.normal[2] < 0.7)
{
SetGroundEntity(NULL);
// probably want to add a check for a +z velocity too!
if ((mv->m_vecVelocity.z > 0.0f) &&
(player->GetMoveType() != MOVETYPE_NOCLIP))
{
player->m_surfaceFriction = 0.25f;
}
}
else
{
if ( flReflectNormal == NO_REFL_NORMAL_CHANGE)
{
DoLateReflect();
CategorizePosition(1.0f);
return;
}
SetGroundEntity(&pm);
}
}
else
{
if ( flReflectNormal == NO_REFL_NORMAL_CHANGE )
{
DoLateReflect();
CategorizePosition(1.0f);
return;
}
SetGroundEntity(&pm); // Otherwise, point to index of ent under us.
}
#ifndef CLIENT_DLL
// If our gamematerial has changed, tell any player surface triggers that are watching
IPhysicsSurfaceProps *physprops = MoveHelper()->GetSurfaceProps();
surfacedata_t *pSurfaceProp = physprops->GetSurfaceData(pm.surface.surfaceProps);
char cCurrGameMaterial = pSurfaceProp->game.material;
if (!player->GetGroundEntity())
{
cCurrGameMaterial = 0;
}
// Changed?
if (player->m_chPreviousTextureType != cCurrGameMaterial)
{
CEnvPlayerSurfaceTrigger::SetPlayerSurface(player, cCurrGameMaterial);
}
player->m_chPreviousTextureType = cCurrGameMaterial;
#endif
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &input -
//-----------------------------------------------------------------------------
void CPortalGameMovement::CategorizePosition( void )
{
Vector point;
trace_t pm;
// if the player hull point one unit down is solid, the player
// is on ground
// see if standing on something solid
// Doing this before we move may introduce a potential latency in water detection, but
// doing it after can get us stuck on the bottom in water if the amount we move up
// is less than the 1 pixel 'threshold' we're about to snap to. Also, we'll call
// this several times per frame, so we really need to avoid sticking to the bottom of
// water on each call, and the converse case will correct itself if called twice.
CheckWater();
// observers don't have a ground entity
if ( player->IsObserver() )
return;
point[0] = mv->GetAbsOrigin()[0];
point[1] = mv->GetAbsOrigin()[1];
point[2] = mv->GetAbsOrigin()[2] - 2;
Vector bumpOrigin;
bumpOrigin = mv->GetAbsOrigin();
// Shooting up really fast. Definitely not on ground.
// On ladder moving up, so not on ground either
// NOTE: 145 is a jump.
if ( mv->m_vecVelocity[2] > 140 ||
( mv->m_vecVelocity[2] > 0.0f && player->GetMoveType() == MOVETYPE_LADDER ) )
{
SetGroundEntity( NULL );
}
else
{
// Try and move down.
TracePlayerBBox( bumpOrigin, point, MASK_PLAYERSOLID, COLLISION_GROUP_PLAYER_MOVEMENT, pm );
// If we hit a steep plane, we are not on ground
if ( pm.plane.normal[2] < 0.7)
{
// Test four sub-boxes, to see if any of them would have found shallower slope we could
// actually stand on
TracePlayerBBoxForGround2( bumpOrigin, point, GetPlayerMins(), GetPlayerMaxs(), mv->m_nPlayerHandle.Get(), MASK_PLAYERSOLID, COLLISION_GROUP_PLAYER_MOVEMENT, pm );
if ( pm.plane.normal[2] < 0.7)
{
SetGroundEntity( NULL ); // too steep
// probably want to add a check for a +z velocity too!
if ( ( mv->m_vecVelocity.z > 0.0f ) && ( player->GetMoveType() != MOVETYPE_NOCLIP ) )
{
player->m_surfaceFriction = 0.25f;
}
}
else
{
SetGroundEntity( &pm ); // Otherwise, point to index of ent under us.
}
}
else
{
SetGroundEntity( &pm ); // Otherwise, point to index of ent under us.
}
// If we are on something...
if (player->GetGroundEntity() != NULL)
{
// Then we are not in water jump sequence
player->m_flWaterJumpTime = 0;
// If we could make the move, drop us down that 1 pixel
if ( player->GetWaterLevel() < WL_Waist && !pm.startsolid && !pm.allsolid )
{
// check distance we would like to move -- this is supposed to just keep up
// "on the ground" surface not stap us back to earth (i.e. on move origin to
// end position when the ground is within .5 units away) (2 units)
if( pm.fraction )
// if( pm.fraction < 0.5)
{
mv->SetAbsOrigin( pm.endpos );
}
}
}
#ifndef CLIENT_DLL
//Adrian: vehicle code handles for us.
if ( player->IsInAVehicle() == false )
{
// If our gamematerial has changed, tell any player surface triggers that are watching
IPhysicsSurfaceProps *physprops = MoveHelper()->GetSurfaceProps();
surfacedata_t *pSurfaceProp = physprops->GetSurfaceData( pm.surface.surfaceProps );
char cCurrGameMaterial = pSurfaceProp->game.material;
if ( !player->GetGroundEntity() )
{
cCurrGameMaterial = 0;
}
// Changed?
if ( player->m_chPreviousTextureType != cCurrGameMaterial )
{
CEnvPlayerSurfaceTrigger::SetPlayerSurface( player, cCurrGameMaterial );
}
player->m_chPreviousTextureType = cCurrGameMaterial;
}
#endif
}
}
