finish `crplayer.cc`

1 files changed, 15 insertions, 1 deletions

diff --git a/src/crskill.cc b/src/crskill.cc
index 235f277..923c0ab 100644
--- a/src/crskill.cc
+++ b/src/crskill.cc
@@ -29,7 +29,11 @@ int TSkill::Get(void){
 int TSkill::GetProgress(void){
 	int Result = 0;
 	if(this->NextLevel > this->LastLevel){
-		Result = (this->Exp - this->LastLevel) * 100 / (this->NextLevel - this->LastLevel);
+		// NOTE(fusion): Use 64-bit integers to avoid overflows.
+		int64 Result64 = (int64)(this->Exp - this->LastLevel) * 100
+							/ (int64)(this->NextLevel - this->LastLevel);
+
+		Result = (int)Result64;
 
 		// TODO(fusion): This feels too much for reporting a mostly *impossible* error.
 		if(Result < 0 || Result > 100){
@@ -64,6 +68,16 @@ void TSkill::Change(int Amount){
 	}
 }
 
+void TSkill::SetMax(void){
+	this->Set(this->Max);
+}
+
+void TSkill::DecreasePercent(int Percent){
+	// NOTE(fusion): Use 64-bit integers to avoid overflows.
+	int64 Amount64 = ((int64)this->Exp * (int64)Percent) / 100;
+	this->Decrease((int)Amount64);
+}
+
 void TSkill::SetMDAct(int MDAct){
 	this->MDAct = MDAct;
 	if(this->SkNr == SKILL_GO_STRENGTH && this->Master && this->Master->Type == PLAYER){