overlight_fork/CDirect3DData.cpp at master · grimesfive/overlight_fork · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
/*****************************************************************************
*
*  PROJECT:     Multi Theft Auto v1.0
*  LICENSE:     See LICENSE in the top level directory
*  FILE:        core/CDirect3DData.cpp
*  PURPOSE:     Direct3D related data storage class
*  DEVELOPERS:  Christian Myhre Lundheim <>
*               Derek Abdine <>
*
*  Multi Theft Auto is available from http://www.multitheftauto.com/
*
*****************************************************************************/

#include "main.h"

using namespace std;

CDirect3DData::CDirect3DData ( void )
{
    // Zero out our matricies.
	memset ( &m_mViewMatrix, 0, sizeof ( D3DMATRIX ) );
    memset ( &m_mProjMatrix, 0, sizeof ( D3DMATRIX ) );
    memset ( &m_mWorldMatrix, 0, sizeof ( D3DMATRIX ) );

    m_hDeviceWindow     = 0;
	m_dwViewportX       = 0;
	m_dwViewportY       = 0;
	m_dwViewportWidth   = 0;
	m_dwViewportHeight  = 0;
}

CDirect3DData::~CDirect3DData ( void )
{

}


void CDirect3DData::StoreTransform ( D3DTRANSFORMSTATETYPE dwMatrixToStore, const D3DMATRIX* pMatrix )
{
    switch ( dwMatrixToStore )
    {
        case D3DTS_VIEW:
            // Copy the real view matrix.
            memcpy ( &m_mViewMatrix, pMatrix, sizeof ( D3DMATRIX ) );
            break;
        case D3DTS_PROJECTION:
            // Copy the real projection marix.
            memcpy ( &m_mProjMatrix, pMatrix, sizeof ( D3DMATRIX ) );
            break;
        case D3DTS_WORLD:
            // Copy the real world matrix.
            memcpy ( &m_mWorldMatrix, pMatrix, sizeof ( D3DMATRIX ) );
            break;
        default:
            // Do nothing.
            break;
    }
}

void CDirect3DData::GetTransform ( D3DTRANSFORMSTATETYPE dwRequestedMatrix, D3DMATRIX * pMatrixOut )
{
    switch ( dwRequestedMatrix )
    {
        case D3DTS_VIEW:
            // Copy the stored view matrix.
            memcpy ( pMatrixOut, &m_mViewMatrix, sizeof ( D3DMATRIX ) );
            break;
        case D3DTS_PROJECTION:
            // Copy the stored projection matrix.
            memcpy ( pMatrixOut, &m_mProjMatrix, sizeof ( D3DMATRIX ) );
            break;
        case D3DTS_WORLD:
            // Copy the stored world matrix.
            memcpy ( pMatrixOut, &m_mWorldMatrix, sizeof ( D3DMATRIX ) );
            break;
        default:
            // Zero out the structure for the user.
            memcpy ( pMatrixOut, 0, sizeof ( D3DMATRIX ) );
            break;
    }

    //assert ( 0 );   // Too expensive to be used because SetTransform is used too often
}


void CDirect3DData::StoreViewport ( DWORD dwX, DWORD dwY, DWORD dwWidth, DWORD dwHeight )
{
	m_dwViewportX       = dwX;
	m_dwViewportY       = dwY;
	m_dwViewportWidth   = dwWidth;
	m_dwViewportHeight  = dwHeight;
}


DWORD CDirect3DData::GetViewportX ( void )
{
	return m_dwViewportX;
}


DWORD CDirect3DData::GetViewportY ( void )
{
	return m_dwViewportY;
}


DWORD CDirect3DData::GetViewportWidth ( void )
{
	return m_dwViewportWidth;
}


DWORD CDirect3DData::GetViewportHeight ( void )
{
	return m_dwViewportHeight;
}