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439 lines
11 KiB
439 lines
11 KiB
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: Entities that capture the player's UI and move it into game design |
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// as outputs. |
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// |
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// $NoKeywords: $ |
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//=============================================================================// |
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#include "cbase.h" |
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#include "entitylist.h" |
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#include "util.h" |
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#include "physics.h" |
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#include "entityoutput.h" |
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#include "player.h" |
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#include "in_buttons.h" |
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#include "basecombatweapon.h" |
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#include "baseviewmodel.h" |
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// memdbgon must be the last include file in a .cpp file!!! |
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#include "tier0/memdbgon.h" |
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//---------------------------------------------------------------- |
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// Spawn flags |
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//---------------------------------------------------------------- |
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#define SF_GAMEUI_FREEZE_PLAYER 32 |
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#define SF_GAMEUI_HIDE_WEAPON 64 |
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#define SF_GAMEUI_USE_DEACTIVATES 128 |
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#define SF_GAMEUI_JUMP_DEACTIVATES 256 |
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class CGameUI : public CBaseEntity |
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{ |
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public: |
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DECLARE_CLASS( CGameUI, CBaseEntity ); |
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DECLARE_DATADESC(); |
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// Input handlers |
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void InputDeactivate( inputdata_t &inputdata ); |
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void InputActivate( inputdata_t &inputdata ); |
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void Think( void ); |
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void Deactivate( CBaseEntity *pActivator ); |
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float m_flFieldOfView; |
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CHandle<CBaseCombatWeapon> m_hSaveWeapon; |
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COutputEvent m_playerOn; |
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COutputEvent m_playerOff; |
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COutputEvent m_pressedMoveLeft; |
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COutputEvent m_pressedMoveRight; |
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COutputEvent m_pressedForward; |
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COutputEvent m_pressedBack; |
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COutputEvent m_pressedAttack; |
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COutputEvent m_pressedAttack2; |
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COutputEvent m_unpressedMoveLeft; |
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COutputEvent m_unpressedMoveRight; |
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COutputEvent m_unpressedForward; |
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COutputEvent m_unpressedBack; |
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COutputEvent m_unpressedAttack; |
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COutputEvent m_unpressedAttack2; |
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COutputFloat m_xaxis; |
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COutputFloat m_yaxis; |
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COutputFloat m_attackaxis; |
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COutputFloat m_attack2axis; |
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bool m_bForceUpdate; |
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int m_nLastButtonState; |
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CHandle<CBasePlayer> m_player; |
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}; |
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BEGIN_DATADESC( CGameUI ) |
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DEFINE_KEYFIELD( m_flFieldOfView, FIELD_FLOAT, "FieldOfView" ), |
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DEFINE_FIELD( m_hSaveWeapon, FIELD_EHANDLE ), |
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DEFINE_FIELD( m_bForceUpdate, FIELD_BOOLEAN ), |
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DEFINE_FIELD( m_player, FIELD_EHANDLE ), |
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DEFINE_FIELD( m_nLastButtonState, FIELD_INTEGER ), |
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DEFINE_INPUTFUNC( FIELD_VOID, "Deactivate", InputDeactivate ), |
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DEFINE_INPUTFUNC( FIELD_STRING, "Activate", InputActivate ), |
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DEFINE_OUTPUT( m_playerOn, "PlayerOn" ), |
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DEFINE_OUTPUT( m_playerOff, "PlayerOff" ), |
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DEFINE_OUTPUT( m_pressedMoveLeft, "PressedMoveLeft" ), |
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DEFINE_OUTPUT( m_pressedMoveRight, "PressedMoveRight" ), |
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DEFINE_OUTPUT( m_pressedForward, "PressedForward" ), |
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DEFINE_OUTPUT( m_pressedBack, "PressedBack" ), |
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DEFINE_OUTPUT( m_pressedAttack, "PressedAttack" ), |
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DEFINE_OUTPUT( m_pressedAttack2, "PressedAttack2" ), |
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DEFINE_OUTPUT( m_unpressedMoveLeft, "UnpressedMoveLeft" ), |
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DEFINE_OUTPUT( m_unpressedMoveRight, "UnpressedMoveRight" ), |
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DEFINE_OUTPUT( m_unpressedForward, "UnpressedForward" ), |
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DEFINE_OUTPUT( m_unpressedBack, "UnpressedBack" ), |
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DEFINE_OUTPUT( m_unpressedAttack, "UnpressedAttack" ), |
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DEFINE_OUTPUT( m_unpressedAttack2, "UnpressedAttack2" ), |
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DEFINE_OUTPUT( m_xaxis, "XAxis" ), |
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DEFINE_OUTPUT( m_yaxis, "YAxis" ), |
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DEFINE_OUTPUT( m_attackaxis, "AttackAxis" ), |
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DEFINE_OUTPUT( m_attack2axis, "Attack2Axis" ), |
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END_DATADESC() |
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LINK_ENTITY_TO_CLASS( game_ui, CGameUI ); |
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//----------------------------------------------------------------------------- |
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// Purpose: |
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//----------------------------------------------------------------------------- |
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void CGameUI::InputDeactivate( inputdata_t &inputdata ) |
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{ |
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Deactivate( inputdata.pActivator ); |
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} |
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//----------------------------------------------------------------------------- |
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// Purpose: |
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//----------------------------------------------------------------------------- |
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void CGameUI::Deactivate( CBaseEntity *pActivator ) |
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{ |
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CBasePlayer *pPlayer = m_player; |
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AssertMsg(pPlayer, "CGameUI deactivated without a player!"); |
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if (pPlayer) |
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{ |
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// Re-enable player motion |
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if ( FBitSet( m_spawnflags, SF_GAMEUI_FREEZE_PLAYER ) ) |
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{ |
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m_player->RemoveFlag( FL_ATCONTROLS ); |
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} |
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// Restore weapons |
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if ( FBitSet( m_spawnflags, SF_GAMEUI_HIDE_WEAPON ) ) |
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{ |
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// Turn the hud back on |
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pPlayer->m_Local.m_iHideHUD &= ~HIDEHUD_WEAPONSELECTION; |
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if ( m_hSaveWeapon.Get() ) |
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{ |
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m_player->Weapon_Switch( m_hSaveWeapon.Get() ); |
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m_hSaveWeapon = NULL; |
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} |
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if ( pPlayer->GetActiveWeapon() ) |
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{ |
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pPlayer->GetActiveWeapon()->Deploy(); |
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} |
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} |
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// Announce that the player is no longer controlling through us |
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m_playerOff.FireOutput( pPlayer, this, 0 ); |
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// Clear out the axis controls |
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m_xaxis.Set( 0, pPlayer, this ); |
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m_yaxis.Set( 0, pPlayer, this ); |
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m_attackaxis.Set( 0, pPlayer, this ); |
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m_attack2axis.Set( 0, pPlayer, this ); |
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m_nLastButtonState = 0; |
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m_player = NULL; |
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} |
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else |
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{ |
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Warning("%s Deactivate(): I have no player when called by %s!\n", GetEntityName().ToCStr(), pActivator->GetEntityName().ToCStr()); |
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} |
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// Stop thinking |
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SetNextThink( TICK_NEVER_THINK ); |
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} |
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//------------------------------------------------------------------------------ |
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// Purpose : |
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//------------------------------------------------------------------------------ |
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void CGameUI::InputActivate( inputdata_t &inputdata ) |
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{ |
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CBasePlayer *pPlayer; |
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// Determine if we're specifying this as an override parameter |
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if ( inputdata.value.StringID() != NULL_STRING ) |
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{ |
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CBaseEntity *pEntity = gEntList.FindEntityByName( NULL, inputdata.value.String(), this, inputdata.pActivator, inputdata.pCaller ); |
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if ( pEntity == NULL || pEntity->IsPlayer() == false ) |
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{ |
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Warning( "%s InputActivate: entity %s not found or is not a player!\n", GetEntityName().ToCStr(), inputdata.value.String() ); |
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return; |
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} |
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pPlayer = ToBasePlayer( pEntity ); |
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} |
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else |
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{ |
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// Otherwise try to use the activator |
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if ( inputdata.pActivator == NULL || inputdata.pActivator->IsPlayer() == false ) |
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{ |
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Warning( "%s InputActivate (%s): invalid or missing !activator!\n", GetEntityName().ToCStr(), inputdata.value.String() ); |
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return; |
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} |
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pPlayer = ToBasePlayer( inputdata.pActivator ); |
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} |
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// If another player is already using these controls3, ignore this activation |
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if ( m_player.Get() != NULL && pPlayer != m_player.Get() ) |
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{ |
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// TODO: We could allow this by calling Deactivate() at this point and continuing on -- jdw |
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return; |
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} |
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// Setup our internal data |
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m_player = pPlayer; |
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m_playerOn.FireOutput( pPlayer, this, 0 ); |
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// Turn the hud off |
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SetNextThink( gpGlobals->curtime ); |
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// Disable player's motion |
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if ( FBitSet( m_spawnflags, SF_GAMEUI_FREEZE_PLAYER ) ) |
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{ |
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m_player->AddFlag( FL_ATCONTROLS ); |
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} |
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// Store off and hide the currently held weapon |
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if ( FBitSet( m_spawnflags, SF_GAMEUI_HIDE_WEAPON ) ) |
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{ |
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m_player->m_Local.m_iHideHUD |= HIDEHUD_WEAPONSELECTION; |
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if ( m_player->GetActiveWeapon() ) |
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{ |
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m_hSaveWeapon = m_player->GetActiveWeapon(); |
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m_player->GetActiveWeapon()->Holster(); |
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m_player->ClearActiveWeapon(); |
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m_player->HideViewModels(); |
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} |
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} |
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// We must update our state |
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m_bForceUpdate = true; |
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} |
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//------------------------------------------------------------------------------ |
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// Purpose: Samples the player's inputs and fires outputs based on what buttons |
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// are currently held down. |
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//------------------------------------------------------------------------------ |
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void CGameUI::Think( void ) |
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{ |
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CBasePlayer *pPlayer = m_player; |
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// If player is gone, stop thinking |
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if (pPlayer == NULL) |
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{ |
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SetNextThink( TICK_NEVER_THINK ); |
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return; |
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} |
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// If we're forcing an update, state with a clean button state |
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if ( m_bForceUpdate ) |
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{ |
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m_nLastButtonState = pPlayer->m_nButtons; |
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} |
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// ------------------------------------------------ |
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// Check that toucher is facing the UI within |
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// the field of view tolerance. If not disconnect |
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// ------------------------------------------------ |
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if (m_flFieldOfView > -1) |
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{ |
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Vector vPlayerFacing; |
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pPlayer->EyeVectors( &vPlayerFacing ); |
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Vector vPlayerToUI = GetAbsOrigin() - pPlayer->WorldSpaceCenter(); |
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VectorNormalize(vPlayerToUI); |
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float flDotPr = DotProduct(vPlayerFacing,vPlayerToUI); |
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if (flDotPr < m_flFieldOfView) |
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{ |
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Deactivate( pPlayer ); |
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return; |
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} |
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} |
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pPlayer->AddFlag( FL_ONTRAIN ); |
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SetNextThink( gpGlobals->curtime ); |
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// Deactivate if they jump or press +use. |
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// FIXME: prevent the use from going through in player.cpp |
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if ((( pPlayer->m_afButtonPressed & IN_USE ) && ( m_spawnflags & SF_GAMEUI_USE_DEACTIVATES )) || |
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(( pPlayer->m_afButtonPressed & IN_JUMP ) && ( m_spawnflags & SF_GAMEUI_JUMP_DEACTIVATES ))) |
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{ |
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Deactivate( pPlayer ); |
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return; |
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} |
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// Determine what's different |
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int nButtonsChanged = ( pPlayer->m_nButtons ^ m_nLastButtonState ); |
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// |
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// Handle all our possible input triggers |
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// |
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if ( nButtonsChanged & IN_MOVERIGHT ) |
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{ |
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if ( m_nLastButtonState & IN_MOVERIGHT ) |
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{ |
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m_unpressedMoveRight.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedMoveRight.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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if ( nButtonsChanged & IN_MOVELEFT ) |
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{ |
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if ( m_nLastButtonState & IN_MOVELEFT ) |
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{ |
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m_unpressedMoveLeft.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedMoveLeft.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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if ( nButtonsChanged & IN_FORWARD ) |
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{ |
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if ( m_nLastButtonState & IN_FORWARD ) |
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{ |
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m_unpressedForward.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedForward.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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if ( nButtonsChanged & IN_BACK ) |
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{ |
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if ( m_nLastButtonState & IN_BACK ) |
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{ |
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m_unpressedBack.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedBack.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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if ( nButtonsChanged & IN_ATTACK ) |
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{ |
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if ( m_nLastButtonState & IN_ATTACK ) |
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{ |
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m_unpressedAttack.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedAttack.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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if ( nButtonsChanged & IN_ATTACK2 ) |
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{ |
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if ( m_nLastButtonState & IN_ATTACK2 ) |
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{ |
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m_unpressedAttack2.FireOutput( pPlayer, this, 0 ); |
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} |
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else |
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{ |
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m_pressedAttack2.FireOutput( pPlayer, this, 0 ); |
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} |
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} |
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// Setup for the next frame |
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m_nLastButtonState = pPlayer->m_nButtons; |
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float x = 0, y = 0, attack = 0, attack2 = 0; |
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if ( pPlayer->m_nButtons & IN_MOVERIGHT ) |
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{ |
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x = 1; |
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} |
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else if ( pPlayer->m_nButtons & IN_MOVELEFT ) |
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{ |
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x = -1; |
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} |
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if ( pPlayer->m_nButtons & IN_FORWARD ) |
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{ |
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y = 1; |
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} |
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else if ( pPlayer->m_nButtons & IN_BACK ) |
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{ |
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y = -1; |
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} |
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if ( pPlayer->m_nButtons & IN_ATTACK ) |
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{ |
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attack = 1; |
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} |
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if ( pPlayer->m_nButtons & IN_ATTACK2 ) |
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{ |
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attack2 = 1; |
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} |
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// |
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// Fire the analog outputs if they changed. |
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// |
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if ( m_bForceUpdate || ( m_xaxis.Get() != x ) ) |
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{ |
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m_xaxis.Set( x, pPlayer, this ); |
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} |
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if ( m_bForceUpdate || ( m_yaxis.Get() != y ) ) |
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{ |
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m_yaxis.Set( y, pPlayer, this ); |
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} |
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if ( m_bForceUpdate || ( m_attackaxis.Get() != attack ) ) |
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{ |
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m_attackaxis.Set( attack, pPlayer, this ); |
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} |
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if ( m_bForceUpdate || ( m_attack2axis.Get() != attack2 ) ) |
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{ |
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m_attack2axis.Set( attack2, pPlayer, this ); |
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} |
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m_bForceUpdate = false; |
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}
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