www.gpwinfo.fora.pl :: Przegląd tematu - Jak wygląda mniej więcej kod tego co mamy napisać!

pioter · Wysłany: Nie 22:46, 28 Paź 2007 Temat postu:

I jeszcze plik nagłówkowy do kodu :

simple2.h:

/*
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.
*/

#ifndef __SIMPLE2_H__
#define __SIMPLE2_H__

#include <crystalspace.h>

/**
* This is the main class of this Tutorial. It contains the
* basic initialization code and the main event handler.
*
* csApplicationFramework provides a handy object-oriented wrapper around the
* Crystal Space initialization and start-up functions.
*
* csBaseEventHandler provides a base object which does absolutely nothing
* with the events that are sent to it.
*/
class Simple : public csApplicationFramework, public csBaseEventHandler
{
private:
/// A pointer to the 3D engine.
csRef<iEngine> engine;

/// A pointer to the map loader plugin.
csRef<iLoader> loader;

/// A pointer to the 3D renderer plugin.
csRef<iGraphics3D> g3d;

/// A pointer to the keyboard driver.
csRef<iKeyboardDriver> kbd;

/// A pointer to the virtual clock.
csRef<iVirtualClock> vc;

/// A pointer to the view which contains the camera.
csRef<iView> view;

/// A pointer to the sector the camera will be in.
iSector* room;

float rotX, rotY;

/**
* Handle keyboard events - ie key presses and releases.
* This routine is called from the event handler in response to a
* csevKeyboard event.
*/
bool OnKeyboard (iEvent&);

/**
* Setup everything that needs to be rendered on screen. This routine
* is called from the event handler in response to a csevProcess
* broadcast message.
*/
void ProcessFrame ();

/**
* Finally render the screen. This routine is called from the event
* handler in response to a csevFinalProcess broadcast message.
*/
void FinishFrame ();

/// Here we will create our little, simple world.
void CreateRoom ();

/// Here we will create our sprites.
void CreateSprites();

bool SetupModules ();

public:

/// Construct our game. This will just set the application ID for now.
Simple ();

/// Destructor.
~Simple ();

/// Final cleanup.
void OnExit ();

/**
* Main initialization routine. This routine will set up some basic stuff
* (like load all needed plugins, setup the event handler, ...).
* In case of failure this routine will return false. You can assume
* that the error message has been reported to the user.
*/
bool OnInitialize (int argc, char* argv[]);

/**
* Run the application.
* First, there are some more initialization (everything that is needed
* by Simple1 to use Crystal Space), then this routine fires up the main
* event loop. This is where everything starts. This loop will basically
* start firing events which actually causes Crystal Space to function.
* Only when the program exits this function will return.
*/
bool Application ();

CS_EVENTHANDLER_NAMES("crystalspace.simple2")
CS_EVENTHANDLER_NIL_CONSTRAINTS
};

#endif // __SIMPLE2_H__

pioter

Tak mniej więcej wyglada kod programu. To jest ponoc jakieś pomieszczenie z jakimś klockiem na podłodze ) Nie wiem szczerze mówiąc na razie co do czego, ale jestem dobrej myśli Smile

simple2.cpp:

/*
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 "simple2.h"

CS_IMPLEMENT_APPLICATION

//-----------------------------------------------------------------------------

Simple::Simple ()
{
SetApplicationName ("CrystalSpace.Simple2");
}

Simple::~Simple ()
{
}

void Simple::ProcessFrame ()
{
// First get elapsed time from the virtual clock.
csTicks elapsed_time = vc->GetElapsedTicks ();
// Now rotate the camera according to keyboard state
float speed = (elapsed_time / 1000.0) * (0.06 * 20);

iCamera* c = view->GetCamera();

if (kbd->GetKeyState (CSKEY_SHIFT))
{
// If the user is holding down shift, the arrow keys will cause
// the camera to strafe up, down, left or right from it's
// current position.
if (kbd->GetKeyState (CSKEY_RIGHT))
c->Move (CS_VEC_RIGHT * 4 * speed);
if (kbd->GetKeyState (CSKEY_LEFT))
c->Move (CS_VEC_LEFT * 4 * speed);
if (kbd->GetKeyState (CSKEY_UP))
c->Move (CS_VEC_UP * 4 * speed);
if (kbd->GetKeyState (CSKEY_DOWN))
c->Move (CS_VEC_DOWN * 4 * speed);
}
else
{
// left and right cause the camera to rotate on the global Y
// axis; page up and page down cause the camera to rotate on the
// _camera's_ X axis (more on this in a second) and up and down
// arrows cause the camera to go forwards and backwards.
if (kbd->GetKeyState (CSKEY_RIGHT))
rotY += speed;
if (kbd->GetKeyState (CSKEY_LEFT))
rotY -= speed;
if (kbd->GetKeyState (CSKEY_PGUP))
rotX += speed;
if (kbd->GetKeyState (CSKEY_PGDN))
rotX -= speed;
if (kbd->GetKeyState (CSKEY_UP))
c->Move (CS_VEC_FORWARD * 4 * speed);
if (kbd->GetKeyState (CSKEY_DOWN))
c->Move (CS_VEC_BACKWARD * 4 * speed);
}

// We now assign a new rotation transformation to the camera. You
// can think of the rotation this way: starting from the zero
// position, you first rotate "rotY" radians on your Y axis to get
// the first rotation. From there you rotate "rotX" radians on the
// your X axis to get the final rotation. We multiply the
// individual rotations on each axis together to get a single
// rotation matrix. The rotations are applied in right to left
// order .
csMatrix3 rot = csXRotMatrix3 (rotX) * csYRotMatrix3 (rotY);
csOrthoTransform ot (rot, c->GetTransform().GetOrigin ());
c->SetTransform (ot);

// Tell 3D driver we're going to display 3D things.
if (!g3d->BeginDraw (engine->GetBeginDrawFlags () | CSDRAW_3DGRAPHICS))
return;

// Tell the camera to render into the frame buffer.
view->Draw ();
}

void Simple::FinishFrame ()
{
// Just tell the 3D renderer that everything has been rendered.
g3d->FinishDraw ();
g3d->Print (0);
}

bool Simple::OnKeyboard(iEvent& ev)
{
// We got a keyboard event.
csKeyEventType eventtype = csKeyEventHelper::GetEventType(&ev);
if (eventtype == csKeyEventTypeDown)
{
// The user pressed a key (as opposed to releasing it).
utf32_char code = csKeyEventHelper::GetCookedCode(&ev);
if (code == CSKEY_ESC)
{
// The user pressed escape to exit the application.
// The proper way to quit a Crystal Space application
// is by broadcasting a csevQuit event. That will cause the
// main runloop to stop. To do that we get the event queue from
// the object registry and then post the event.
csRef<iEventQueue> q =
csQueryRegistry<iEventQueue> (GetObjectRegistry());
if (q.IsValid()) q->GetEventOutlet()->Broadcast(
csevQuit(GetObjectRegistry()));
}
}
return false;
}

bool Simple::OnInitialize(int /*argc*/, char* /*argv*/ [])
{
// RequestPlugins() will load all plugins we specify. In addition
// it will also check if there are plugins that need to be loaded
// from the config system (both the application config and CS or
// global configs). In addition it also supports specifying plugins
// on the commandline.
if (!csInitializer::RequestPlugins(GetObjectRegistry(),
CS_REQUEST_VFS,
CS_REQUEST_OPENGL3D,
CS_REQUEST_ENGINE,
CS_REQUEST_FONTSERVER,
CS_REQUEST_IMAGELOADER,
CS_REQUEST_LEVELLOADER,
CS_REQUEST_REPORTER,
CS_REQUEST_REPORTERLISTENER,
CS_REQUEST_END))
return ReportError("Failed to initialize plugins!");

csBaseEventHandler::Initialize(GetObjectRegistry());

// Now we need to setup an event handler for our application.
// Crystal Space is fully event-driven. Everything (except for this
// initialization) happens in an event.
if (!RegisterQueue(GetObjectRegistry(), csevAllEvents(GetObjectRegistry())))
return ReportError("Failed to set up event handler!");

return true;
}

void Simple::OnExit()
{
}

bool Simple::Application()
{
// Open the main system. This will open all the previously loaded plug-ins.
// i.e. all windows will be opened.
if (!OpenApplication(GetObjectRegistry()))
return ReportError("Error opening system!");

if (SetupModules())
{
// This calls the default runloop. This will basically just keep
// broadcasting process events to keep the game going.
Run();
}
return true;
}

bool Simple::SetupModules()
{
// Now get the pointer to various modules we need. We fetch them
// from the object registry. The RequestPlugins() call we did earlier
// registered all loaded plugins with the object registry.
// The virtual clock.
g3d = csQueryRegistry<iGraphics3D> (GetObjectRegistry());
if (!g3d) return ReportError("Failed to locate 3D renderer!");

engine = csQueryRegistry<iEngine> (GetObjectRegistry());
if (!engine) return ReportError("Failed to locate 3D engine!");

vc = csQueryRegistry<iVirtualClock> (GetObjectRegistry());
if (!vc) return ReportError("Failed to locate Virtual Clock!");

kbd = csQueryRegistry<iKeyboardDriver> (GetObjectRegistry());
if (!kbd) return ReportError("Failed to locate Keyboard Driver!");

loader = csQueryRegistry<iLoader> (GetObjectRegistry());
if (!loader) return ReportError("Failed to locate Loader!");

// We need a View to the virtual world.
view.AttachNew(new csView (engine, g3d));
iGraphics2D* g2d = g3d->GetDriver2D ();
// We use the full window to draw the world.
view->SetRectangle (0, 0, g2d->GetWidth (), g2d->GetHeight ());

// First disable the lighting cache. Our app is simple enough
// not to need this.
engine->SetLightingCacheMode (0);

// Here we create our world.
CreateRoom();

// Here we create our world.
CreateSprites();

// Let the engine prepare all lightmaps for use and also free all images
// that were loaded for the texture manager.
engine->Prepare ();

// these are used store the current orientation of the camera
rotY = rotX = 0;

// Now we need to position the camera in our world.
view->GetCamera ()->SetSector (room);
view->GetCamera ()->GetTransform ().SetOrigin (csVector3 (0, 5, -3));

return true;
}

void Simple::CreateRoom ()
{
// Load the texture from the standard library. This is located in
// CS/data/standard.zip and mounted as /lib/std using the Virtual
// File System (VFS) plugin.
if (!loader->LoadTexture ("stone", "/lib/std/stone4.gif"))
ReportError("Error loading 'stone4' texture!");

iMaterialWrapper* tm = engine->GetMaterialList ()->FindByName ("stone");

// We create a new sector called "room".
room = engine->CreateSector ("room");

// Creating the walls for our room.
csRef<iMeshWrapper> walls (engine->CreateSectorWallsMesh (room, "walls"));
csRef<iThingFactoryState> walls_state =
scfQueryInterface<iThingFactoryState> (walls->GetMeshObject ()->GetFactory());
walls_state->AddInsideBox (csVector3 (-5, 0, -5), csVector3 (5, 20, 5));
walls_state->SetPolygonMaterial (CS_POLYRANGE_LAST, tm);
walls_state->SetPolygonTextureMapping (CS_POLYRANGE_LAST, 3);

// Now we need light to see something.
csRef<iLight> light;
iLightList* ll = room->GetLights ();

light = engine->CreateLight(0, csVector3(-3, 5, 0), 10, csColor(1, 0, 0));
ll->Add (light);

light = engine->CreateLight(0, csVector3(3, 5, 0), 10, csColor(0, 0, 1));
ll->Add (light);

light = engine->CreateLight(0, csVector3(0, 5, -3), 10, csColor(0, 1, 0));
ll->Add (light);
}

void Simple::CreateSprites ()
{
// Load a texture for our sprite.
iTextureWrapper* txt = loader->LoadTexture ("spark",
"/lib/std/spark.png");
if (txt == 0)
ReportError("Error loading texture!");

// Load a sprite template from disk.
csRef<iMeshFactoryWrapper> imeshfact (
loader->LoadMeshObjectFactory ("/lib/std/sprite1"));
if (imeshfact == 0)
ReportError("Error loading mesh object factory!");

// Create the sprite and add it to the engine.
csRef<iMeshWrapper> sprite (engine->CreateMeshWrapper (
imeshfact, "MySprite", room,
csVector3 (-3, 5, 3)));
csMatrix3 m; m.Identity ();
sprite->GetMovable ()->SetTransform (m);
sprite->GetMovable ()->UpdateMove ();
csRef<iSprite3DState> spstate (
scfQueryInterface<iSprite3DState> (sprite->GetMeshObject ()));
spstate->SetAction ("default");
//spstate->SetMixMode (CS_FX_SETALPHA (.5));

// The following two calls are not needed since CS_ZBUF_USE and
// Object render priority are the default but they show how you
// can do this.
sprite->SetZBufMode (CS_ZBUF_USE);
sprite->SetRenderPriority (engine->GetObjectRenderPriority ());
}

/*-------------------------------------------------------------------------*
* Main function
*-------------------------------------------------------------------------*/
int main (int argc, char* argv[])
{
/* Runs the application.
*
* csApplicationRunner<> is a small wrapper to support "restartable"
* applications (ie where CS needs to be completely shut down and loaded
* again). Simple1 does not use that functionality itself, however, it
* allows you to later use "Simple.Restart();" and it'll just work.
*/
return csApplicationRunner<Simple>::Run (argc, argv);
}