Situations & their modes are built.

8 files changed, 170 insertions, 11 deletions

diff --git a/src/gamebuilder.cpp b/src/gamebuilder.cpp
index ee85129..6c42fb0 100644
--- a/src/gamebuilder.cpp
+++ b/src/gamebuilder.cpp
@@ -7,6 +7,7 @@
 #include "astleafliteral.h"
 #include "astfunction.h"
 #include "command.h"
+#include "situation.h"
 
 using namespace Bu;
 
@@ -16,7 +17,8 @@ GameBuilder::GameBuilder() :
         pCurNode( NULL ),
         pCurRoot( NULL ),
         pCurCmd( NULL ),
-        pCurFnc( NULL )
+        pCurFnc( NULL ),
+        pCurSit( NULL )
 {
         pGame = new Game();
 }
@@ -58,11 +60,26 @@ void GameBuilder::endFunction()
 
 void GameBuilder::beginSituation( const Bu::String &sName )
 {
+        pCurSit = new Situation( sName );
         sio << "New situation: " << sName << sio.nl;
 }
 
+void GameBuilder::beginSituationMode( Situation::Mode m )
+{
+        pCurNode = pCurRoot = new AstBranch( AstNode::tScope );
+        eCurSitMode = m;
+}
+
+void GameBuilder::closeSituationMode()
+{
+        sio << "Set situation mode " << eCurSitMode << " to " << *pCurRoot << sio.nl;
+        pCurSit->setAst( pCurRoot, eCurSitMode );
+        pCurRoot = pCurNode = NULL;
+}
+
 void GameBuilder::endSituation()
 {
+        pGame->hSituation.insert( pCurSit->getName(), pCurSit );
         sio << "Situation ended." << sio.nl;
 }
 
diff --git a/src/gamebuilder.h b/src/gamebuilder.h
index bc32f55..9a0493f 100644
--- a/src/gamebuilder.h
+++ b/src/gamebuilder.h
@@ -5,6 +5,7 @@
 
 #include "variable.h"
 #include "astnode.h"
+#include "situation.h"
 
 class GameBuilder
 {
@@ -20,6 +21,8 @@ public:
         void endFunction();
 
         void beginSituation( const Bu::String &sName );
+        void beginSituationMode( Situation::Mode m );
+        void closeSituationMode();
         void endSituation();
 
         void addNode( AstNode::Type iType );
@@ -44,6 +47,8 @@ private:
         class AstBranch *pCurRoot;
         class Command *pCurCmd;
         class AstFunction *pCurFnc;
+        class Situation *pCurSit;
+        Situation::Mode eCurSitMode;
 };
 
 #endif
diff --git a/src/gamestate.cpp b/src/gamestate.cpp
index 7649cac..25b53b8 100644
--- a/src/gamestate.cpp
+++ b/src/gamestate.cpp
@@ -18,14 +18,60 @@ void GameState::parse( class AstBranch *pAst )
 {
         if( pAst->getType() != AstNode::tScope )
                 throw Bu::ExceptionBase("Nope, nothing doing, you can't parse a non-scope AstBranch.");
+
+        lsLocal.push( new Scope() );
         parse( pAst->getNodeList() );
+        delete lsLocal.peekPop();
 }
 
 void GameState::callFunction( const Bu::String &sName )
 {
-        lsLocal.push( new Scope() );
         pGame->getFunction( sName )->call( *this );
-        delete lsLocal.peekPop();
+}
+
+Variable GameState::getVariable( const Bu::String &sName, ScopeId id )
+{
+        switch( id )
+        {
+                case sidLocal:
+                        return lsLocal.peek()->get( sName );
+
+                case sidGlobal:
+                        return sGlobal.get( sName );
+
+                case sidPlayer:
+                        return sPlayer.get( sName );
+
+                case sidSituation:
+                        return hsSituation.get( sCurSituation )->get( sName );
+        }
+
+        throw Bu::ExceptionBase("Really bad scopeid passed into getVariable");
+}
+
+void GameState::setVariable( const Bu::String &sName, const Variable &v,
+        ScopeId id )
+{
+        switch( id )
+        {
+                case sidLocal:
+                        lsLocal.peek()->insert( sName, v );
+                        return;
+
+                case sidGlobal:
+                        sGlobal.insert( sName, v );
+                        return;
+
+                case sidPlayer:
+                        sPlayer.insert( sName, v );
+                        return;
+
+                case sidSituation:
+                        hsSituation.get( sCurSituation )->insert( sName, v );
+                        return;
+        }
+
+        throw Bu::ExceptionBase("Really bad scopeid passed into setVariable");
 }
 
 void GameState::parse( const AstBranch::NodeList &lCode )
diff --git a/src/gamestate.h b/src/gamestate.h
index cb02322..7a8f81a 100644
--- a/src/gamestate.h
+++ b/src/gamestate.h
@@ -20,6 +20,17 @@ public:
 
         void callFunction( const Bu::String &sName );
 
+        enum ScopeId
+        {
+                sidLocal,
+                sidGlobal,
+                sidPlayer,
+                sidSituation
+        };
+
+        Variable getVariable( const Bu::String &sName, ScopeId id=sidLocal );
+        void setVariable( const Bu::String &sName, const Variable &v, ScopeId id=sidLocal );
+
 private:
         void parse( const AstBranch::NodeList &lCode );
 
@@ -28,8 +39,10 @@ private:
         typedef Bu::Hash<Bu::String, Scope *> ScopeHash;
         Game *pGame;
         Scope sGlobal;
+        Scope sPlayer;
         ScopeList lsLocal;
         ScopeHash hsSituation;
+        Bu::String sCurSituation;
 
         VariableList lStack;
 };
diff --git a/src/parser.y b/src/parser.y
index e6210d1..8f538a5 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -124,11 +124,13 @@ situationMembers:
                                 | situationMembers commandDecl
                                 ;
 
-situationModeFunc: situationMode '{' cmpltExprList '}'
+situationModeFunc: situationMode '{' cmpltExprList '}' {
+                                        bld.closeSituationMode();
+                                 }
                                  ;
 
-situationMode: tokSetup
-                         | tokEnter
+situationMode: tokSetup { bld.beginSituationMode( Situation::modeSetup ); }
+                         | tokEnter { bld.beginSituationMode( Situation::modeEnter ); }
                          ;
 
 function: tokFunction tokIdent { bld.beginFunction( *($2) ); } '(' funcParamList ')' '{' cmpltExprList '}' { bld.endFunction(); }
diff --git a/src/situation.cpp b/src/situation.cpp
index 0d24aa4..d7f98aa 100644
--- a/src/situation.cpp
+++ b/src/situation.cpp
@@ -1,10 +1,60 @@
 #include "situation.h"
 
-Situation::Situation()
+#include "astbranch.h"
+#include "gamestate.h"
+
+#include <bu/formatter.h>
+
+Situation::Situation( const Bu::String &sName ) :
+        sName( sName ),
+        pAstSetup( NULL ),
+        pAstEnter( NULL )
 {
 }
 
 Situation::~Situation()
 {
+        delete pAstSetup;
+        delete pAstEnter;
+}
+
+void Situation::setAst( class AstBranch *pAst, Situation::Mode m )
+{
+        switch( m )
+        {
+                case modeSetup:
+                        pAstSetup = pAst;
+                        break;
+
+                case modeEnter:
+                        pAstEnter = pAst;
+                        break;
+        }
+}
+
+void Situation::exec( class GameState &gState, Situation::Mode m )
+{
+        switch( m )
+        {
+                case modeSetup:
+                        gState.parse( pAstSetup );
+                        break;
+
+                case modeEnter:
+                        gState.parse( pAstEnter );
+                        break;
+        }
+}
+
+Bu::Formatter &operator<<( Bu::Formatter &f, Situation::Mode m )
+{
+        switch( m )
+        {
+                case Situation::modeSetup:
+                        return f << "Setup";
+
+                case Situation::modeEnter:
+                        return f << "Enter";
+        }
 }
 
diff --git a/src/situation.h b/src/situation.h
index aed6397..4d06fe6 100644
--- a/src/situation.h
+++ b/src/situation.h
@@ -1,13 +1,32 @@
 #ifndef SITUATION_H
 #define SITUATION_H
 
+#include <bu/string.h>
+
 class Situation
 {
 public:
-        Situation();
+        Situation( const Bu::String &sName );
         virtual ~Situation();
 
+        Bu::String getName() const { return sName; }
+
+        enum Mode
+        {
+                modeSetup,
+                modeEnter,
+        };
+
+        void setAst( class AstBranch *pAst, Mode m );
+
+        void exec( class GameState &gState, Mode m );
+
 private:
+        Bu::String sName;
+        class AstBranch *pAstSetup;
+        class AstBranch *pAstEnter;
 };
 
+Bu::Formatter &operator<<( Bu::Formatter &f, Situation::Mode m );
+
 #endif
diff --git a/test.stage b/test.stage
index 13155d3..87e4756 100644
--- a/test.stage
+++ b/test.stage
@@ -9,12 +9,19 @@ global
 {
         command: "eat" object
         {
-                pow(5, x*2);
+                display(object);
         }
 }
 
-function hello( a, b, c )
+situation <<start>>
 {
-        a[x][y];
+        setup
+        {
+                display("Hello");
+        }
+
+        enter
+        {
+        }
 }