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
|
/*
Copyright (C) 2001 by Jorrit Tyberghein
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cssysdef.h"
#include "simplept.h"
#include "cstool/csview.h"
#include "csgfx/memimage.h"
#include "csutil/cscolor.h"
#include "ivideo/txtmgr.h"
#include "ivideo/texture.h"
#include "ivideo/graph3d.h"
#include "ivideo/graph2d.h"
#include "imap/parser.h"
#include "iengine/engine.h"
#include "iengine/camera.h"
#include "iengine/sector.h"
#include "iutil/vfs.h"
csEngineProcTex::csEngineProcTex()
{
TexHandle = NULL;
ptG3D = NULL;
Engine = NULL;
View = NULL;
}
csEngineProcTex::~csEngineProcTex ()
{
SCF_DEC_REF (TexHandle);
SCF_DEC_REF (View);
}
bool csEngineProcTex::Initialize (iGraphics3D *g3d, iEngine *engine,
iVFS *vfs, iLoader *Loader)
{
// copy the engine pointer
Engine = engine;
// load a map file to display
vfs->PushDir ();
vfs->ChDir ("/lev/flarge/");
bool Success = (Loader->LoadMapFile ("world", false));
vfs->PopDir ();
if (!Success) return false;
// create a procedural texture
iImage *Image = new csImageMemory (256, 256);
TexHandle = g3d->GetTextureManager ()->RegisterTexture (Image,
CS_TEXTURE_3D | CS_TEXTURE_NOMIPMAPS | CS_TEXTURE_PROC | CS_TEXTURE_PROC_ALONE_HINT);
TexHandle->Prepare ();
Image->DecRef ();
ptG3D = TexHandle->GetProcTextureInterface ();
// set up a view for the engine
iSector *room = Engine->GetSectors ()->FindByName ("room");
View = new csView (Engine, ptG3D);
View->GetCamera ()->GetTransform ().SetOrigin (csVector3 (-0.5,0,0));
View->GetCamera ()->SetSector (room);
View->SetRectangle (0, 0, 256, 256);
View->GetCamera ()->SetPerspectiveCenter (128, 128);
return true;
}
void csEngineProcTex::Update (csTicks CurrentTime)
{
// move the camera
csVector3 Position (-0.5, 0, 3 + sin (CurrentTime / 1000.0)*3);
View->GetCamera ()->Move (Position - View->GetCamera ()->GetTransform ().GetOrigin ());
// switch to the context of the procedural texture
iGraphics3D *oldContext = Engine->GetContext ();
Engine->SetContext (ptG3D);
// draw the engine view
ptG3D->BeginDraw (CSDRAW_3DGRAPHICS);
View->Draw ();
ptG3D->FinishDraw ();
ptG3D->Print (NULL);
// switch back to the old context
Engine->SetContext (oldContext);
}
|
