From be091800f8a39024935b9692a7dae5964979d997 Mon Sep 17 00:00:00 2001
From: madmaxoft <github@xoft.cz>
Date: Thu, 17 Apr 2014 17:31:29 +0200
Subject: Prefabs can have per-piece per-placement weights.

Fixes #753.
Also upgraded NetherFortPrefabs to lates Gallery contents.
---
 src/Generating/Prefab.cpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 73 insertions(+), 1 deletion(-)

(limited to 'src/Generating/Prefab.cpp')

diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp
index 131b6acb2..b1964e2a0 100644
--- a/src/Generating/Prefab.cpp
+++ b/src/Generating/Prefab.cpp
@@ -105,13 +105,17 @@ cPrefab::cPrefab(const cPrefab::sDef & a_Def) :
 	m_Size(a_Def.m_SizeX, a_Def.m_SizeY, a_Def.m_SizeZ),
 	m_HitBox(0, 0, 0, a_Def.m_SizeX - 1, a_Def.m_SizeY - 1, a_Def.m_SizeZ - 1),
 	m_AllowedRotations(a_Def.m_AllowedRotations),
-	m_MergeStrategy(a_Def.m_MergeStrategy)
+	m_MergeStrategy(a_Def.m_MergeStrategy),
+	m_ShouldExtendFloor(a_Def.m_ShouldExtendFloor),
+	m_DefaultWeight(a_Def.m_DefaultWeight),
+	m_AddWeightIfSame(a_Def.m_AddWeightIfSame)
 {
 	m_BlockArea[0].Create(m_Size);
 	CharMap cm;
 	ParseCharMap(cm, a_Def.m_CharMap);
 	ParseBlockImage(cm, a_Def.m_Image);
 	ParseConnectors(a_Def.m_Connectors);
+	ParseDepthWeight(a_Def.m_DepthWeight);
 	
 	// 1 CCW rotation:
 	if ((m_AllowedRotations & 0x01) != 0)
@@ -170,6 +174,26 @@ bool cPrefab::HasConnectorType(int a_ConnectorType) const
 
 
 
+int cPrefab::GetPieceWeight(const cPlacedPiece & a_PlacedPiece, const cPiece::cConnector & a_ExistingConnector) const
+{
+	// Use the default or per-depth weight:
+	cDepthWeight::const_iterator itr = m_DepthWeight.find(a_PlacedPiece.GetDepth() + 1);
+	int res = (itr == m_DepthWeight.end()) ? m_DefaultWeight : itr->second;
+	
+	// If the piece is the same as the parent, apply the m_AddWeightIfSame modifier:
+	const cPiece * ParentPiece = &a_PlacedPiece.GetPiece();
+	const cPiece * ThisPiece = this;
+	if (ThisPiece == ParentPiece)
+	{
+		res += m_AddWeightIfSame;
+	}
+	return res;
+}
+
+
+
+
+
 void cPrefab::ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef)
 {
 	ASSERT(a_CharMapDef != NULL);
@@ -277,6 +301,54 @@ void cPrefab::ParseConnectors(const char * a_ConnectorsDef)
 
 
 
+void cPrefab::ParseDepthWeight(const char * a_DepthWeightDef)
+{
+	// The member needn't be defined at all, if so, skip:
+	if (a_DepthWeightDef == NULL)
+	{
+		return;
+	}
+	
+	// Split into individual records: "Record | Record | Record"
+	AStringVector Defs = StringSplitAndTrim(a_DepthWeightDef, "|");
+	
+	// Add each record's contents:
+	for (AStringVector::const_iterator itr = Defs.begin(), end = Defs.end(); itr != end; ++itr)
+	{
+		// Split into components: "Depth : Weight"
+		AStringVector Components = StringSplitAndTrim(*itr, ":");
+		if (Components.size() != 2)
+		{
+			LOGWARNING("Bad prefab DepthWeight record: \"%s\", skipping.", itr->c_str());
+			continue;
+		}
+		
+		// Parse depth:
+		int Depth = atoi(Components[0].c_str());
+		if ((Depth == 0) && (Components[0] != "0"))
+		{
+			LOGWARNING("Bad prefab DepthWeight record, cannot parse depth \"%s\", skipping.", Components[0].c_str());
+			continue;
+		}
+		
+		// Parse weight:
+		int Weight = atoi(Components[1].c_str());
+		if ((Weight == 0) && (Components[1] != "0"))
+		{
+			LOGWARNING("Bad prefab DepthWeight record, cannot parse weight \"%s\", skipping.", Components[1].c_str());
+			continue;
+		}
+		
+		// Save to map:
+		ASSERT(m_DepthWeight.find(Depth) == m_DepthWeight.end());  // Not a duplicate
+		m_DepthWeight[Depth] = Weight;
+	}  // for itr - Defs[]
+}
+
+
+
+
+
 cPiece::cConnectors cPrefab::GetConnectors(void) const
 {
 	return m_Connectors;
-- 
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