... model for game development 143
Static Data
Object NObject 2Object 1
Figure 5.4
Many objects referring to
a single static dataset.
Dynamic
ObjectInstance
ObjectData
Static
Object
DataData
Object
Figure ... ObjectInstance;
class Object
{
public:
ObjectInstance * CreateInstance();
private:
StaticData m_StaticData;
};
// File: ObjectInstance.hpp
class Object;
class ObjectInstance
{...
... 12:58 pm Page 3
Object- oriented game development2
1.2 But why?
Currently, as we begin the twenty-first century, commercial game development
is at a crossroads. As I type this, three new game platforms ... Data
Gold, Julian.
Object- oriented game development / Julian Gold.
p. cm.
Includes bibliographical references and index.
ISBN 0-321-17660-X (pbk.)
1. Computer games Prog...
... something similar. It could be argued
that what makes game development unique is the synergy of constraints, the par-
Object- oriented game development2 0
8985 OOGD_C02.QXD 1/12/03 2:26 pm Page ... of the game.
In short, the Hacker’s Charter, which originated in a cottage industry devel-
opment environment, has infiltrated larger-scale commercial development and
Object- oriente...
... point back to the car object. This is not always desirable – in princi-
ple, an object should exist in its own right without reference to other non-related
Object- oriented game development7 4
Wheel
Tyr ... ref-
erences to other header files – required to declare their contents.
Object- oriented game development6 6
16 An exception: in some PC development environments, the use...
... component:
// ObjectFactory.hpp
class Object;
struct ObjectFactory
{
static Object * CreateObject( const char* pType );
};
// ObjectFactory.cpp
#include "ObjectFactory.hpp"
#include " ;Object. hpp"
#include ... Object factory
The object factory allows us to address a shortcoming of C++. We’d like to be
able to write
class Object { /*…*/ };
class Rocket : public O...
... fields
};
//
Object- oriented game development1 10
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4.4 Summary
● Object orientation fits well with game development.
●
C++ may not be the most object- oriented ... with players and cursors…
}
Object- oriented design for games 107
ctrl_InputHandler
Controller
GameInputHandler
Game
ctrl_User Player
ctrl_Target Cursor
Figure 4.5
The g...
... component model for game development 185
SCENE
MODEL
REND
Figure 5.21
A cyclic dependency in
the rendering package.
8985 OOGD_C05.QXD 1/12/03 2:38 pm Page 185
Object- oriented game development1 84
Renderer
REND
ShaderManager
Shader
RenderBuffer
Shader ... STRM_ReadStream.hpp
namespace STRM
{
Object- oriented game development1 78
IsIntegrable
VectorFunction
IntegratorMidpoint
I...
... an object that is responsible for coordinating one or more instances of
a specific game on a single machine.
● Session: an instance of a specific game controlled by a host.
Object- oriented game development2 20
Vector3IsIntegrable
MATHS
Object
PHYS
ReferenceFrame
Matrix33
PositionOrientation
Controller
float
*Controllers
Mass
Rope
Spring
RopeVertex
float
Length
K
d
K
s
*Vertices
*...
... The
rest is up to you.
Object- oriented game development2 26
GamePlayer
Player
ServerModeSlave
ServerMode
ServerModeMaster
NET
GameServerModePeer
GameServerModeSlaveGameServerModeMaster
GameDataModel
DataModel
Server
Data
model
Mode
Figure ... principle of smallest effect,
which says that if you have a block of code like this:
Object- oriented game development2 32
8985 OOGD_C06.QX...