From 92cab6b9d62e38d09a77fbcab798fc87de201f50 Mon Sep 17 00:00:00 2001
From: Treeki <treeki@gmail.com>
Date: Fri, 22 Feb 2013 00:26:49 +0100
Subject: map paths can now be unlocked based on star coin amounts

---
 src/koopatlas/pathmanager.cpp | 32 ++++++++++++++++++++++++++++++--
 src/koopatlas/pathmanager.h   |  2 ++
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/koopatlas/pathmanager.cpp b/src/koopatlas/pathmanager.cpp
index 47e1d16..0f0ff6a 100644
--- a/src/koopatlas/pathmanager.cpp
+++ b/src/koopatlas/pathmanager.cpp
@@ -205,6 +205,9 @@ void dWMPathManager_c::unlockPaths() {
 
 	SaveBlock *save = GetSaveFile()->GetBlock(-1);
 
+	cachedTotalStarCoinCount = getStarCoinCount();
+	cachedUnspentStarCoinCount = cachedTotalStarCoinCount - save->spentStarCoins;
+
 	u8 *in = (u8*)dScKoopatlas_c::instance->mapData.data->unlockData;
 	SpammyReport("UNLOCKING PATHS: Unlock data @ %p\n", in);
 
@@ -306,8 +309,33 @@ bool dWMPathManager_c::evaluateUnlockCondition(u8 *&in, SaveBlock *save, int sta
 	UnlockCmdReport("[%p] CondStk:%d control byte: %d; condition type: %d\n", in, stack, controlByte, conditionType);
 
 	if (conditionType == 0) {
-		UnlockCmdReport("[%p] CondStk:%d end, returning CONSTANT 1\n", in, stack);
-		return true;
+		u8 subConditionType = controlByte & 0x3F;
+		switch (subConditionType) {
+			case 0: case 1: case 2: case 3:
+				u8 one = *(in++);
+				u8 two = *(in++);
+
+				int compareOne = (one & 0x80) ? cachedUnspentStarCoinCount : cachedTotalStarCoinCount;
+				int compareTwo = ((one & 0x7F) << 8) | two;
+
+				switch (subConditionType) {
+					case 0:
+						return compareOne == compareTwo;
+					case 1:
+						return compareOne != compareTwo;
+					case 2:
+						return compareOne < compareTwo;
+					case 3:
+						return compareOne > compareTwo;
+				}
+
+			case 15:
+				UnlockCmdReport("[%p] CondStk:%d end, returning CONSTANT 1\n", in, stack);
+				return true;
+			default:
+				UnlockCmdReport("[%p] CondStk:%d unknown subCondition %d, returning 0\n", in, stack, subConditionType);
+				return false;
+		}
 	}
 
 	if (conditionType == 1) {
diff --git a/src/koopatlas/pathmanager.h b/src/koopatlas/pathmanager.h
index 8f04e34..9119235 100644
--- a/src/koopatlas/pathmanager.h
+++ b/src/koopatlas/pathmanager.h
@@ -65,6 +65,8 @@ class dWMPathManager_c {
 	private:
 		void unlockPaths();
 		bool evaluateUnlockCondition(u8 *&in, SaveBlock *save, int stack);
+		int cachedTotalStarCoinCount;
+		int cachedUnspentStarCoinCount;
 
 	public:
 		bool shouldRequestSave;
-- 
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