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This commit is contained in:
Don BURNS
2001-09-22 02:42:08 +00:00
parent d47b8f9c1f
commit 7ae58df42a
197 changed files with 7867 additions and 6189 deletions
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80
include/osg/StateAttribute
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@@ -4,12 +4,42 @@
#include <osg/Object>
#include <osg/GL>
#include <typeinfo>
namespace osg {
// forward declare State & StateSet
class State;
class StateSet;
/** META_StateAttribute macro define the standard clone, isSameKindAs,
* className and getType methods.
* Use when subclassing from Object to make it more convinient to define
* the standard pure virtual methods which are required for all Object
* subclasses.*/
#define META_StateAttribute(name,type) \
virtual Object* clone() const { return new name (); } \
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const name *>(obj)!=NULL; } \
virtual const char* className() const { return #name; } \
virtual const Type getType() const { return type; }
/** COMPARE_StateAttribute_Types macro is a helper for implementing the StatateAtribute::compare(..) method.*/
#define COMPARE_StateAttribute_Types(TYPE,rhs_attribute) \
if (this==&rhs_attribute) return 0;\
const std::type_info* type_lhs = &typeid(*this);\
const std::type_info* type_rhs = &typeid(rhs_attribute);\
if (type_lhs->before(*type_rhs)) return -1;\
if (*type_lhs != *type_rhs) return 1;\
const TYPE& rhs = static_cast<const TYPE&>(rhs_attribute);
/** COMPARE_StateAttribute_Parameter macro is a helper for implementing the StatateAtribute::compare(..) method.
* Macro assumes that variable rhs has been corrected defined by code preceesing
* macro.*/
#define COMPARE_StateAttribute_Parameter(parameter) \
if (parameter<rhs.parameter) return -1; \
if (rhs.parameter<parameter) return 1;
/** Base class for state attribues.
*/
class SG_EXPORT StateAttribute : public Object
@@ -50,6 +80,9 @@ class SG_EXPORT StateAttribute : public Object
INHERIT = 0x4
};
/** Type identifier to differentiate between different state types. */
typedef unsigned int Type;
/** Values of StateAttribute::Type used to aid identification
* of diffenent StateAttribute subclasses. Each subclass defines
* it own value in the virtual Type getType() method. When
@@ -58,7 +91,7 @@ class SG_EXPORT StateAttribute : public Object
* enum as a guide of what values to use. If your new subclass
* needs to override a standard StateAttriubte then simple use
* that types value. */
enum Type
enum Types
{
ALPHAFUNC =1,
ANTIALIAS =2,
@@ -66,30 +99,39 @@ class SG_EXPORT StateAttribute : public Object
CULLFACE =4,
FOG =5,
FRONTFACE =6,
LIGHTING =7,
MATERIAL =8,
POINT =9,
POLYGONMODE =10,
POLYGONOFFSET =11,
TEXENV =12,
TEXGEN =13,
TEXMAT =14,
TEXTURE =15,
LIGHT =7,
LIGHT_0 =LIGHT+0,
LIGHT_1 =LIGHT+1,
LIGHT_2 =LIGHT+2,
LIGHT_3 =LIGHT+3,
LIGHT_4 =LIGHT+4,
LIGHT_5 =LIGHT+5,
LIGHT_6 =LIGHT+6,
LIGHT_7 =LIGHT+7,
MATERIAL =15,
POINT =16,
POLYGONMODE =17,
POLYGONOFFSET =18,
TEXENV =19,
TEXGEN =20,
TEXMAT =21,
TEXTURE =22,
TEXTURE_0 =TEXTURE+0,
TEXTURE_1 =TEXTURE+1,
TEXTURE_2 =TEXTURE+2,
TEXTURE_3 =TEXTURE+3,
TRANSPARENCY =19,
STENCIL =20,
COLORMASK =21,
CLIPPLANE =23,
TRANSPARENCY =26,
STENCIL =27,
COLORMASK =28,
CLIPPLANE =29,
CLIPPLANE_0 =CLIPPLANE+0,
CLIPPLANE_1 =CLIPPLANE+1,
CLIPPLANE_2 =CLIPPLANE+2,
CLIPPLANE_3 =CLIPPLANE+3,
CLIPPLANE_4 =CLIPPLANE+4,
CLIPPLANE_5 =CLIPPLANE+5,
DEPTH =29
DEPTH =35,
VIEWPORT =36
};
StateAttribute() {}
@@ -105,6 +147,14 @@ class SG_EXPORT StateAttribute : public Object
/** return the Type idenitifer of the attribute's class type.*/
virtual const Type getType() const = 0;
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const = 0;
bool operator < (const StateAttribute& rhs) const { return compare(rhs)<0; }
bool operator == (const StateAttribute& rhs) const { return compare(rhs)==0; }
bool operator != (const StateAttribute& rhs) const { return compare(rhs)!=0; }
virtual void setStateSetModes(StateSet&,const GLModeValue) const
{