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CnC_Renegade/Code/Tools/W3DView/EmitterSizePropPage.cpp

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C++

/*
** 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/>.
*/
// EmitterSizePropPage.cpp : implementation file
//
#include "Stdafx.H"
#include "W3dview.H"
#include "EmitterSizePropPage.H"
#include "Utils.H"
#include "ParticleSizeDialog.H"
#include "EmitterInstanceList.H"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// EmitterSizePropPageClass property page
IMPLEMENT_DYNCREATE(EmitterSizePropPageClass, CPropertyPage)
/////////////////////////////////////////////////////////////
//
// EmitterSizePropPageClass
//
/////////////////////////////////////////////////////////////
EmitterSizePropPageClass::EmitterSizePropPageClass (EmitterInstanceListClass *pemitter)
: m_pEmitterList (NULL),
m_bValid (true),
m_SizeBar (NULL),
m_Lifetime (0),
CPropertyPage(EmitterSizePropPageClass::IDD)
{
::memset (&m_OrigSizes, 0, sizeof (m_OrigSizes));
::memset (&m_CurrentSizes, 0, sizeof (m_CurrentSizes));
//{{AFX_DATA_INIT(EmitterSizePropPageClass)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
Initialize ();
return ;
}
/////////////////////////////////////////////////////////////
//
// ~EmitterSizePropPageClass
//
/////////////////////////////////////////////////////////////
EmitterSizePropPageClass::~EmitterSizePropPageClass (void)
{
// Free the original setting arrays
SAFE_DELETE_ARRAY (m_OrigSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_OrigSizes.Values);
// Free the current setting arrays
SAFE_DELETE_ARRAY (m_CurrentSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_CurrentSizes.Values);
return ;
}
/////////////////////////////////////////////////////////////
//
// DoDataExchange
//
/////////////////////////////////////////////////////////////
void
EmitterSizePropPageClass::DoDataExchange(CDataExchange* pDX)
{
CPropertyPage::DoDataExchange(pDX);
//{{AFX_DATA_MAP(EmitterSizePropPageClass)
DDX_Control(pDX, IDC_SIZE_RANDOM_SPIN, m_SizeRandomSpin);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(EmitterSizePropPageClass, CPropertyPage)
//{{AFX_MSG_MAP(EmitterSizePropPageClass)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////
//
// Initialize
//
/////////////////////////////////////////////////////////////
void
EmitterSizePropPageClass::Initialize (void)
{
SAFE_DELETE_ARRAY (m_OrigSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_OrigSizes.Values);
SAFE_DELETE_ARRAY (m_CurrentSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_CurrentSizes.Values);
if (m_pEmitterList != NULL) {
m_Lifetime = m_pEmitterList->Get_Lifetime ();
m_pEmitterList->Get_Size_Keyframes (m_OrigSizes);
m_pEmitterList->Get_Size_Keyframes (m_CurrentSizes);
//
// Determine what the largest size is
//
m_MaxSize = m_OrigSizes.Start;
for (UINT index = 0; index < m_OrigSizes.NumKeyFrames; index ++) {
if (m_OrigSizes.Values[index] > m_MaxSize) {
m_MaxSize = m_OrigSizes.Values[index];
}
}
}
return ;
}
/////////////////////////////////////////////////////////////
//
// OnInitDialog
//
/////////////////////////////////////////////////////////////
BOOL
EmitterSizePropPageClass::OnInitDialog (void)
{
// Allow the base class to process this message
CPropertyPage::OnInitDialog ();
m_SizeBar = ColorBarClass::Get_Color_Bar (::GetDlgItem (m_hWnd, IDC_SIZE_BAR));
m_SizeBar->Set_Range (0, 1);
//
// Setup the spinners
//
Initialize_Spinner (m_SizeRandomSpin, m_OrigSizes.Rand, 0, 10000);
//
// Reset the color bars
//
m_SizeBar->Set_Range (0, 1);
m_SizeBar->Clear_Points ();
m_SizeBar->Modify_Point (0, 0, 0, 0, 0);
m_SizeBar->Set_Graph_Percent (0, m_OrigSizes.Start / m_MaxSize);
//
// Set-up the color bar
//
for (UINT index = 0; index < m_OrigSizes.NumKeyFrames; index ++) {
m_SizeBar->Modify_Point (index + 1,
m_OrigSizes.KeyTimes[index] / m_Lifetime,
0,
0,
0);
m_SizeBar->Set_Graph_Percent (index + 1, m_OrigSizes.Values[index] / m_MaxSize);
}
return TRUE;
}
/////////////////////////////////////////////////////////////
//
// OnApply
//
/////////////////////////////////////////////////////////////
BOOL
EmitterSizePropPageClass::OnApply (void)
{
/*SAFE_DELETE_ARRAY (m_OrigSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_OrigSizes.Values);
//
// Make the current values from the emitter the default values.
//
m_pEmitterList->Get_Size_Key_Frames (m_OrigSizes);*/
// Allow the base class to process this message
return CPropertyPage::OnApply ();
}
/////////////////////////////////////////////////////////////
//
// OnNotify
//
/////////////////////////////////////////////////////////////
BOOL
EmitterSizePropPageClass::OnNotify
(
WPARAM wParam,
LPARAM lParam,
LRESULT *pResult
)
{
CBR_NMHDR *color_bar_hdr = (CBR_NMHDR *)lParam;
//
// Update the spinner controls if necessary
//
NMHDR *pheader = (NMHDR *)lParam;
if ((pheader != NULL) && (pheader->code == UDN_DELTAPOS)) {
LPNMUPDOWN pupdown = (LPNMUPDOWN)lParam;
::Update_Spinner_Buddy (pheader->hwndFrom, pupdown->iDelta);
}
//
// Which control sent the notification?
//
switch (color_bar_hdr->hdr.idFrom)
{
case IDC_SIZE_BAR:
{
if (color_bar_hdr->hdr.code == CBRN_DBLCLK_POINT) {
//
// Allow the user to edit the keyframe
//
float size = m_SizeBar->Get_Graph_Percent (color_bar_hdr->key_index) * m_MaxSize;
ParticleSizeDialogClass dialog (size, this);
if (dialog.DoModal () == IDOK) {
size = dialog.Get_Size ();
m_SizeBar->Set_Redraw (false);
m_SizeBar->Set_Graph_Percent (color_bar_hdr->key_index, size / m_MaxSize);
//
// Determine if the user changed the 'max' size
//
float new_max = size;
int count = m_SizeBar->Get_Point_Count ();
for (int index = 0; index < count; index ++) {
float size = m_SizeBar->Get_Graph_Percent (index) * m_MaxSize;
if (size > new_max) {
new_max = size;
}
}
//
// Rescale the key frame points if necessary
//
if (new_max != m_MaxSize) {
int count = m_SizeBar->Get_Point_Count ();
for (int index = 0; index < count; index ++) {
float percent = m_SizeBar->Get_Graph_Percent (index);
m_SizeBar->Set_Graph_Percent (index, (percent * m_MaxSize) / new_max);
}
// Remember the new size maximum
m_MaxSize = new_max;
}
m_SizeBar->Set_Redraw (true);
//
// Update the emitter
//
Update_Sizes ();
m_pEmitterList->Set_Size_Keyframes (m_CurrentSizes);
SetModified ();
}
} else if ((color_bar_hdr->hdr.code == CBRN_MOVING_POINT) ||
(color_bar_hdr->hdr.code == CBRN_DELETED_POINT)) {
//
// Update the emitter
//
Update_Sizes ();
m_pEmitterList->Set_Size_Keyframes (m_CurrentSizes);
SetModified ();
}
}
break;
case IDC_SIZE_RANDOM_SPIN:
{
// Update the emitter
m_CurrentSizes.Rand = ::GetDlgItemFloat (m_hWnd, IDC_SIZE_RANDOM_EDIT);
m_pEmitterList->Set_Size_Keyframes (m_CurrentSizes);
SetModified ();
}
break;
}
return CPropertyPage::OnNotify (wParam, lParam, pResult);
}
/////////////////////////////////////////////////////////////
//
// Update_Sizes
//
/////////////////////////////////////////////////////////////
void
EmitterSizePropPageClass::Update_Sizes (void)
{
float position = 0;
float red = 0;
float green = 0;
float blue = 0;
//
// Setup the initial or 'starting' size
//
m_CurrentSizes.Start = m_SizeBar->Get_Graph_Percent (0) * m_MaxSize;
//
// Free the current setting arrays
//
SAFE_DELETE_ARRAY (m_CurrentSizes.KeyTimes);
SAFE_DELETE_ARRAY (m_CurrentSizes.Values);
//
// Determine if we need to build the array of key frames or not
//
int count = m_SizeBar->Get_Point_Count ();
m_CurrentSizes.NumKeyFrames = count - 1;
if (count > 1) {
m_CurrentSizes.KeyTimes = new float[count - 1];
m_CurrentSizes.Values = new float[count - 1];
//
// Get all the size key frames and add them to our structure
//
for (int index = 1; index < count; index ++) {
m_SizeBar->Get_Point (index, &position, &red, &green, &blue);
m_CurrentSizes.KeyTimes[index - 1] = position * m_Lifetime;
m_CurrentSizes.Values[index - 1] = m_SizeBar->Get_Graph_Percent (index) * m_MaxSize;
}
}
return ;
}
/////////////////////////////////////////////////////////////
//
// OnCommand
//
/////////////////////////////////////////////////////////////
BOOL
EmitterSizePropPageClass::OnCommand
(
WPARAM wParam,
LPARAM lParam
)
{
switch (LOWORD (wParam))
{
case IDC_SIZE_RANDOM_EDIT:
{
// Update the emitter
if ((HIWORD (wParam) == EN_KILLFOCUS) &&
SendDlgItemMessage (LOWORD (wParam), EM_GETMODIFY)) {
SendDlgItemMessage (LOWORD (wParam), EM_SETMODIFY, (WPARAM)0);
m_CurrentSizes.Rand = ::GetDlgItemFloat (m_hWnd, IDC_SIZE_RANDOM_EDIT);
m_pEmitterList->Set_Size_Keyframes (m_CurrentSizes);
SetModified ();
} else if (HIWORD (wParam) == EN_CHANGE) {
SetModified ();
}
}
break;
}
return CPropertyPage::OnCommand (wParam, lParam);
}
/////////////////////////////////////////////////////////////
//
// On_Lifetime_Changed
//
/////////////////////////////////////////////////////////////
void
EmitterSizePropPageClass::On_Lifetime_Changed (float lifetime)
{
if (m_Lifetime != lifetime) {
float conversion = lifetime / m_Lifetime;
//
// Rescale the sizes
//
for (UINT index = 0; index < m_CurrentSizes.NumKeyFrames; index ++) {
m_CurrentSizes.KeyTimes[index] *= conversion;
}
//
// Update the emitter
//
m_pEmitterList->Set_Size_Keyframes (m_CurrentSizes);
m_Lifetime = lifetime;
}
return ;
}