From 850cc41653e3514b2558833b3efdd5ddb43578bc Mon Sep 17 00:00:00 2001
From: Guangcong Luo <zarel@wz2100.net>
Date: Thu, 28 Jan 2010 03:50:25 +0000
Subject: [PATCH] Fix bug #1483 - unbuilt structures and walls shouldn't confer
 visibility.

git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@9536 4a71c877-e1ca-e34f-864e-861f7616d084
---
 src/structure.c  |  2 ++
 src/visibility.c | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/structure.c b/src/structure.c
index 7d5e75507..30437578f 100644
--- a/src/structure.c
+++ b/src/structure.c
@@ -5935,6 +5935,8 @@ void buildingComplete(STRUCTURE *psBuilding)
 	psBuilding->currentBuildPts = (SWORD)psBuilding->pStructureType->buildPoints;
 	psBuilding->status = SS_BUILT;
 
+	visTilesUpdate((BASE_OBJECT *)psBuilding, rayTerrainCallback);
+
 	switch (psBuilding->pStructureType->type)
 	{
 		case REF_POWER_GEN:
diff --git a/src/visibility.c b/src/visibility.c
index c2e748c7e..aa412e05d 100644
--- a/src/visibility.c
+++ b/src/visibility.c
@@ -304,6 +304,17 @@ void visTilesUpdate(BASE_OBJECT *psObj, RAY_CALLBACK callback)
 	// Remove previous map visibility provided by object
 	visRemoveVisibility(psObj);
 
+	if (psObj->type == OBJ_STRUCTURE)
+	{
+		STRUCTURE * psStruct = (STRUCTURE *)psObj;
+		if (psStruct->status != SS_BUILT ||
+		    psStruct->pStructureType->type == REF_WALL || psStruct->pStructureType->type == REF_WALLCORNER)
+		{
+			// unbuilt structures and walls do not confer visibility.
+			return;
+		}
+	}
+
 	// Do the whole circle in 80 steps
 	for (ray = 0; ray < NUM_RAYS; ray += NUM_RAYS / 80)
 	{