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| author | Piotr Dziwinski <piotrdz@gmail.com> | 2012-04-28 17:53:17 +0200 |
|---|---|---|
| committer | Piotr Dziwinski <piotrdz@gmail.com> | 2012-04-28 17:53:17 +0200 |
| commit | 449cc186d5b8117d74ba22d6173497d00939f5f1 (patch) | |
| tree | 39f38530dab2c9c8b33f5d8e42a81242bd48704b /src/common/iman.cpp | |
| parent | eeb69b34d2467e51ff84b3235f94506ce6bb9283 (diff) | |
| download | colobot-449cc186d5b8117d74ba22d6173497d00939f5f1.tar.gz colobot-449cc186d5b8117d74ba22d6173497d00939f5f1.tar.bz2 colobot-449cc186d5b8117d74ba22d6173497d00939f5f1.zip | |
Source files split into modules
Diffstat (limited to 'src/common/iman.cpp')
| -rw-r--r-- | src/common/iman.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/common/iman.cpp b/src/common/iman.cpp new file mode 100644 index 0000000..eacb3f4 --- /dev/null +++ b/src/common/iman.cpp @@ -0,0 +1,165 @@ +// * This file is part of the COLOBOT source code
+// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
+// *
+// * This program is free software: you can redistribute it and/or modify
+// * it under the terms of the GNU General Public License as published by
+// * the Free Software Foundation, either version 3 of the License, or
+// * (at your option) any later version.
+// *
+// * This program is distributed in the hope that it will be useful,
+// * but WITHOUT ANY WARRANTY; without even the implied warranty of
+// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// * GNU General Public License for more details.
+// *
+// * You should have received a copy of the GNU General Public License
+// * along with this program. If not, see http://www.gnu.org/licenses/.
+
+// iman.cpp
+
+#define STRICT
+#define D3D_OVERLOADS
+
+#include <windows.h>
+#include <stdio.h>
+
+#include "struct.h"
+#include "iman.h"
+
+
+
+
+// Object's constructor.
+
+CInstanceManager::CInstanceManager()
+{
+ int i;
+
+ for ( i=0 ; i<CLASS_MAX ; i++ )
+ {
+ m_table[i].totalPossible = 0;
+ m_table[i].totalUsed = 0;
+ m_table[i].classPointer = 0;
+ }
+}
+
+// Object's destructor.
+
+CInstanceManager::~CInstanceManager()
+{
+ int i;
+
+ for ( i=0 ; i<CLASS_MAX ; i++ )
+ {
+ if ( m_table[i].classPointer != 0 )
+ {
+ free(m_table[i].classPointer);
+ }
+ }
+}
+
+
+// Empty the list of all classes.
+
+void CInstanceManager::Flush()
+{
+ int i;
+
+ for ( i=0 ; i<CLASS_MAX ; i++ )
+ {
+ if ( m_table[i].classPointer != 0 )
+ {
+ free(m_table[i].classPointer);
+ }
+ m_table[i].classPointer = 0;
+ }
+}
+
+// Empty all instances of a given class.
+
+void CInstanceManager::Flush(ClassType classType)
+{
+ if ( classType < 0 || classType >= CLASS_MAX ) return;
+ if ( m_table[classType].classPointer == 0 ) return;
+
+ free(m_table[classType].classPointer);
+ m_table[classType].classPointer = 0;
+}
+
+
+// Adds a new instance of a class.
+
+BOOL CInstanceManager::AddInstance(ClassType classType, void* pointer, int max)
+{
+ int i;
+
+ if ( classType < 0 || classType >= CLASS_MAX ) return FALSE;
+
+ if ( m_table[classType].classPointer == 0 )
+ {
+ m_table[classType].classPointer = (void**)malloc(max*sizeof(void*));
+ m_table[classType].totalPossible = max;
+ m_table[classType].totalUsed = 0;
+ }
+
+ if ( m_table[classType].totalUsed >= m_table[classType].totalPossible ) return FALSE;
+
+ i = m_table[classType].totalUsed++;
+ m_table[classType].classPointer[i] = pointer;
+ return TRUE;
+}
+
+// Deletes an instance of a class.
+
+BOOL CInstanceManager::DeleteInstance(ClassType classType, void* pointer)
+{
+ int i;
+
+ if ( classType < 0 || classType >= CLASS_MAX ) return FALSE;
+
+ for ( i=0 ; i<m_table[classType].totalUsed ; i++ )
+ {
+ if ( m_table[classType].classPointer[i] == pointer )
+ {
+ m_table[classType].classPointer[i] = 0;
+ }
+ }
+
+ Compress(classType);
+ return TRUE;
+}
+
+// Seeking an existing instance. Returns 0 if it does not exist.
+// Must be super fast!
+
+void* CInstanceManager::SearchInstance(ClassType classType, int rank)
+{
+#if _DEBUG
+ if ( classType < 0 || classType >= CLASS_MAX ) return 0;
+ if ( m_table[classType].classPointer == 0 ) return 0;
+#endif
+ if ( rank >= m_table[classType].totalUsed ) return 0;
+
+ return m_table[classType].classPointer[rank];
+}
+
+
+// Fills holes in a table.
+
+void CInstanceManager::Compress(ClassType classType)
+{
+ int i, j;
+
+ if ( classType < 0 || classType >= CLASS_MAX ) return;
+
+ j = 0;
+ for ( i=0 ; i<m_table[classType].totalUsed ; i++ )
+ {
+ if ( m_table[classType].classPointer[i] != 0 )
+ {
+ m_table[classType].classPointer[j++] = m_table[classType].classPointer[i];
+ }
+ }
+ m_table[classType].totalUsed = j;
+}
+
+
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