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Initial commit of Command & Conquer Renegade source code.

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LFeenanEA
2025-02-27 16:39:46 +00:00
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commit 58ed459113
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Code/Tools/W3DView/SphereUtils.cpp Normal file
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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** 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/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : LevelEdit *
* *
* $Archive:: /Commando/Code/Tools/W3DView/SphereUtils.cpp $*
* *
* Author:: Patrick Smith *
* *
* $Modtime:: 3/08/00 7:21p $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "stdafx.h"
#include "sphereutils.h"
/////////////////////////////////////////////////////////////
//
// Resize
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Resize (int max_keys)
{
//
// Determine the new array size
//
int blocks = (max_keys / 10) + 1;
int array_size = blocks * 10;
if (array_size != m_MaxKeys) {
//
// Allocate the new array
//
W3dSphereKeyFrameStruct *key_array = new W3dSphereKeyFrameStruct[array_size];
//
// Copy the contents of the old array
//
::memcpy (key_array, m_Keys, m_KeyCount * sizeof (W3dSphereKeyFrameStruct));
//
// Use the new array
//
SAFE_DELETE_ARRAY (m_Keys);
m_Keys = key_array;
m_MaxKeys = array_size;
}
return ;
}
/////////////////////////////////////////////////////////////
//
// Add_Keys
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Add_Keys (W3dSphereKeyFrameStruct *keys, int key_count)
{
//
// Make sure we have a large enough array
//
Resize (m_KeyCount + key_count);
//
// Copy the new keys into our array
//
::memcpy (&m_Keys[m_KeyCount + 1], keys, key_count * sizeof (W3dSphereKeyFrameStruct));
m_KeyCount += keys;
return ;
}
/////////////////////////////////////////////////////////////
//
// Add_Key
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Add_Key (W3dSphereKeyFrameStruct &keys)
{
Add_Keys (&keys, 1);
return ;
}
/////////////////////////////////////////////////////////////
//
// Free_Keys
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Free_Keys (void)
{
SAFE_DELETE_ARRAY (m_Keys);
m_KeyCount = 0;
m_MaxKeys = 0;
return ;
}
/////////////////////////////////////////////////////////////
//
// Detach
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Detach (void)
{
m_Keys = NULL;
m_KeyCount = 0;
m_MaxKeys = 0;
return ;
}
/////////////////////////////////////////////////////////////
//
// Key_Compare
//
// Compares two keys based on their time value
//
/////////////////////////////////////////////////////////////
static int
Key_Compare (const void *arg1, const void *arg2)
{
ASSERT (arg1 != NULL);
ASSERT (arg2 != NULL);
W3dSphereKeyFrameStruct *key1 = (W3dSphereKeyFrameStruct *)arg1;
W3dSphereKeyFrameStruct *key2 = (W3dSphereKeyFrameStruct *)arg2;
int retval = 0
float delta = key1->time_code - key2->time_code;
if (delta < 0) {
retval = -1;
} else if (delta > 0) {
retval = 1;
}
return retval;
}
/////////////////////////////////////////////////////////////
//
// Sort
//
// Linerally sorts the keys based on their time value
//
/////////////////////////////////////////////////////////////
void
SphereKeysClass::Sort (void)
{
if (m_Keys != NULL && m_KeyCount > 0) {
::qsort (m_Keys, m_KeyCount, sizeof (W3dSphereKeyFrameStruct), Key_Compare);
}
return ;
}