From 90b9126d260c98cd8d4db0dd192952c915262af8 Mon Sep 17 00:00:00 2001
From: Mathieu Schroeter <mathieu@schroetersa.ch>
Date: Sun, 6 Aug 2017 21:28:40 +0200
Subject: [PATCH] Enable build of wall and tower only if energy >= half

It was a bug because when the energy is lower,
Blupi dies immediatly but the wall is terminated
with the death. It makes no sense because the
wall and the tower needs a lot of energy and
in all cases the death of Blupi.
---
 src/decor.cxx | 6 ++++++
 src/def.h     | 1 +
 src/menu.cxx  | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/decor.cxx b/src/decor.cxx
index 9985376..b972a3f 100644
--- a/src/decor.cxx
+++ b/src/decor.cxx
@@ -1864,6 +1864,9 @@ Errors CDecor::CelOkForAction (
         error = Errors::MISC; // pas assez fort
       }
 
+      if (m_blupi[rank].energy <= MAXENERGY / 2)
+        error = Errors::ENERGY; // not enough energy
+
       GetObject (cel, channel, icon);
       if (channel != CHOBJECT || icon != 44) // pierres ?
       {
@@ -1916,6 +1919,9 @@ Errors CDecor::CelOkForAction (
         error = Errors::MISC; // pas assez fort
       }
 
+      if (m_blupi[rank].energy <= MAXENERGY / 2)
+        error = Errors::ENERGY; // not enough energy
+
       GetObject (cel, channel, icon);
       if (channel != CHOBJECT || icon != 44) // pierres ?
       {
diff --git a/src/def.h b/src/def.h
index b0e5e57..6d8663b 100644
--- a/src/def.h
+++ b/src/def.h
@@ -367,6 +367,7 @@ enum Errors {
   TOURISOL = 6,
   TOUREAU  = 7,
   TELE2    = 8,
+  ENERGY   = 9,
   REPEAT   = 500,
 };
 
diff --git a/src/menu.cxx b/src/menu.cxx
index 90d7647..9ad7e5d 100644
--- a/src/menu.cxx
+++ b/src/menu.cxx
@@ -125,7 +125,7 @@ static const char * GetErr (Sint32 rank)
     translate ("Occupied ground"),    translate ("Opposite bank no good"),
     translate ("Bridge finished"),    translate ("(isolated tower)"),
     translate ("Too close to water"), translate ("Already two teleporters"),
-  };
+    translate ("Not enough energy")};
 
   return gettext (list[rank]);
 }