game(client): make touch more transparent in cutscenes

game/client/touch.cpp

@@ -32,6 +32,7 @@ extern IMatSystemSurface *g_pMatSystemSurface;
 extern ConVar sensitivity;
 
 #define TOUCH_DEFAULT_CFG "touch_default.cfg"
+#define MIN_ALPHA_IN_CUTSCENE 20
 
 ConVar touch_enable( "touch_enable", TOUCH_DEFAULT, FCVAR_ARCHIVE );
 ConVar touch_draw( "touch_draw", "1", FCVAR_ARCHIVE );
@@ -75,7 +76,6 @@ CTouchPanel::CTouchPanel( vgui::VPANEL parent ) : BaseClass( NULL, "TouchPanel"
 	SetVisible( true );
 }
 
-
 void CTouchPanel::Paint()
 {
 	gTouch.Frame();
@@ -374,6 +374,7 @@ void CTouchControls::Init()
 	m_flPreviousYaw = m_flPreviousPitch = 0.f;
 	gridcolor = rgba_t(255, 0, 0, 50);
 
+	m_bCutScene = false;
 	showtexture = hidetexture = resettexture = closetexture = joytexture = 0;
 	configchanged = false;
 
@@ -419,6 +420,7 @@ void CTouchControls::Init()
 	textureList.AddToTail(texture);
 
 	CreateAtlasTexture();
+	m_flHideTouch = 0.f;
 
 	initialized = true;
 }
@@ -621,10 +623,29 @@ void CTouchControls::Frame()
 	if (!initialized)
 		return;
 
+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+
+	if( pPlayer && (pPlayer->GetFlags() & FL_FROZEN || g_pIntroData != NULL) )
+	{
+		if( !m_bCutScene )
+		{
+			m_bCutScene = true;
+			m_AlphaDiff = 0;
+		}
+	}
+	else if( !pPlayer )
+	{
+		m_bCutScene = false;
+		m_AlphaDiff = 0;
+		m_flHideTouch = 0;
+	}
+	else
+		m_bCutScene = false;
+
 	if( touch_enable.GetBool() && touch_draw.GetBool() && !enginevgui->IsGameUIVisible() ) Paint();
 }
 
-void CTouchControls::Paint( )
+void CTouchControls::Paint()
 {
 	if (!initialized)
 		return;
@@ -680,7 +701,10 @@ void CTouchControls::Paint( )
 				m_pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, g_pMatSystemSurface->DrawGetTextureMaterial(t->textureID) );
 
 				meshBuilder.Begin( m_pMesh, MATERIAL_QUADS, 1 );
-				rgba_t color(btn->color.r, btn->color.g, btn->color.b, btn->color.a);
+
+				int alpha = (btn->color.a > MIN_ALPHA_IN_CUTSCENE) ? max(MIN_ALPHA_IN_CUTSCENE, btn->color.a-m_AlphaDiff) : btn->color.a;
+				rgba_t color(btn->color.r, btn->color.g, btn->color.b, alpha);
+
 				meshBuilder.Position3f( btn->x1*screen_w, btn->y1*screen_h, 0 );
 				meshBuilder.Color4ubv( color );
 				meshBuilder.TexCoord2f( 0, 0, 0 );
@@ -724,7 +748,9 @@ void CTouchControls::Paint( )
 		{
 			CTouchTexture *t = btn->texture;
 
-			rgba_t color(btn->color.r, btn->color.g, btn->color.b, btn->color.a);
+			int alpha = (btn->color.a > MIN_ALPHA_IN_CUTSCENE) ? max(MIN_ALPHA_IN_CUTSCENE, btn->color.a-m_AlphaDiff) : btn->color.a;
+			rgba_t color(btn->color.r, btn->color.g, btn->color.b, alpha);
+
 			meshBuilder.Position3f( btn->x1*screen_w, btn->y1*screen_h, 0 );
 			meshBuilder.Color4ubv( color );
 			meshBuilder.TexCoord2f( 0, t->X0, t->Y0 );
@@ -749,6 +775,17 @@ void CTouchControls::Paint( )
 
 	meshBuilder.End();
 	m_pMesh->Draw();
+
+
+	if( m_flHideTouch < gpGlobals->curtime )
+	{
+		if( m_bCutScene && m_AlphaDiff < 255-MIN_ALPHA_IN_CUTSCENE )
+			m_AlphaDiff++;
+		else if( !m_bCutScene && m_AlphaDiff > 0 )
+			m_AlphaDiff--;
+
+		m_flHideTouch = gpGlobals->curtime + 0.002f;
+	}
 }
 
 void CTouchControls::AddButton( const char *name, const char *texturefile, const char *command, float x1, float y1, float x2, float y2, rgba_t color, int round, float aspect, int flags )

game/client/touch.h

@@ -238,6 +238,10 @@ private:
 	bool config_loaded;
 	vgui::HFont textfont;
 	int mouse_events;
+
+	bool m_bCutScene;
+	float m_flHideTouch;
+	int m_AlphaDiff;
 };
 
 extern CTouchControls gTouch;