feat: add RoundFreezetimeChanged event

Author: akiver

pkg/demoinfocs/datatables.go

@@ -1071,6 +1071,15 @@ func (p *parser) bindGameRules() {
 			roundTime = val.Int()
 		})
 
+		entity.Property(grPrefix("m_bFreezePeriod")).OnUpdate(func(val st.PropertyValue) {
+			newIsFreezetime := val.BoolVal()
+			p.eventDispatcher.Dispatch(events.RoundFreezetimeChanged{
+				OldIsFreezetime: p.gameState.isFreezetime,
+				NewIsFreezetime: newIsFreezetime,
+			})
+			p.gameState.isFreezetime = newIsFreezetime
+		})
+
 		entity.Property(grPrefix("m_gamePhase")).OnUpdate(func(val st.PropertyValue) {
 			oldGamePhase := p.gameState.gamePhase
 			p.gameState.gamePhase = common.GamePhase(val.Int())

pkg/demoinfocs/events/events.go

@@ -38,6 +38,12 @@ type RoundStart struct {
 // RoundFreezetimeEnd signals that the freeze time is over.
 type RoundFreezetimeEnd struct{}
 
+// RoundFreezetimeChanged signals that the freeze time period has changed.
+type RoundFreezetimeChanged struct {
+	OldIsFreezetime bool
+	NewIsFreezetime bool
+}
+
 // RoundEndReason is the type for the various RoundEndReasonXYZ constants.
 //
 // See RoundEnd.

pkg/demoinfocs/game_state.go

@@ -33,6 +33,7 @@ type gameState struct {
 	totalRoundsPlayed            int
 	gamePhase                    common.GamePhase
 	isWarmupPeriod               bool
+	isFreezetime                 bool
 	isMatchStarted               bool
 	overtimeCount                int
 	lastFlash                    lastFlash                              // Information about the last flash that exploded, used to find the attacker and projectile for player_blind events
@@ -192,6 +193,11 @@ func (gs gameState) IsWarmupPeriod() bool {
 	return gs.isWarmupPeriod
 }
 
+// IsFreezetimePeriod returns whether the game is currently in freezetime period according to CCSGameRulesProxy.
+func (gs gameState) IsFreezetimePeriod() bool {
+	return gs.isFreezetime
+}
+
 // IsMatchStarted returns whether the match has started according to CCSGameRulesProxy.
 func (gs gameState) IsMatchStarted() bool {
 	return gs.isMatchStarted