/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see .
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : WW3D *
* *
* $Archive:: /Commando/Code/ww3d2/boxrobj.cpp $*
* *
* Author:: Greg Hjelstrom *
* *
* $Modtime:: 1/19/02 12:57p $*
* *
* $Revision:: 35 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* BoxRenderObjClass::BoxRenderObjClass -- Constructor *
* BoxRenderObjClass::BoxRenderObjClass -- Constructor - init from a definition *
* BoxRenderObjClass::BoxRenderObjClass -- Copy constructor *
* BoxRenderObjClass::operator -- assignment operator *
* BoxRenderObjClass::Get_Num_Polys -- returns number of polygons *
* BoxRenderObjClass::Get_Name -- returns name *
* BoxRenderObjClass::Set_Name -- sets the name *
* BoxRenderObjClass::Set_Color -- Sets the color of the box *
* BoxRenderObjClass::Init_Box_Render_System -- global initialization needed for boxes to wo *
* BoxRenderObjClass::Shutdown_Box_Render_System -- cleanup box render system *
* BoxRenderObjClass::Set_Box_Display_Mask -- Sets global display mask for all boxes *
* BoxRenderObjClass::Get_Box_Display_Mask -- returns the display mask *
* BoxRenderObjClass::render_box -- submits the box to the GERD *
* BoxRenderObjClass::vis_render_box -- submits box to the GERD for VIS *
* AABoxRenderObjClass::AABoxRenderObjClass -- constructor *
* AABoxRenderObjClass::AABoxRenderObjClass -- Constructor - init from a definition *
* AABoxRenderObjClass::AABoxRenderObjClass -- copy constructor *
* AABoxRenderObjClass::AABoxRenderObjClass -- Constructor from a wwmath aabox *
* AABoxRenderObjClass::operator -- assignment operator *
* AABoxRenderObjClass::Clone -- clones the box *
* AABoxRenderObjClass::Class_ID -- returns the class-id for AABox's *
* AABoxRenderObjClass::Render -- render this box *
* AABoxRenderObjClass::Special_Render -- special render this box (vis) *
* AABoxRenderObjClass::Set_Transform -- set the transform for this box *
* AABoxRenderObjClass::Set_Position -- Set the position of this box *
* AABoxRenderObjClass::update_cached_box -- update the world-space version of this box *
* AABoxRenderObjClass::Cast_Ray -- cast a ray against this box *
* AABoxRenderObjClass::Cast_AABox -- cast an AABox against this box *
* AABoxRenderObjClass::Cast_OBBox -- cast an OBBox against this box *
* AABoxRenderObjClass::Intersect_AABox -- intersect this box with an AABox *
* AABoxRenderObjClass::Intersect_OBBox -- Intersect this box with an OBBox *
* AABoxRenderObjClass::Get_Obj_Space_Bounding_Sphere -- return the object-space bounding sp *
* AABoxRenderObjClass::Get_Obj_Space_Bounding_Box -- returns the obj-space bounding box *
* OBBoxRenderObjClass::OBBoxRenderObjClass -- Constructor *
* OBBoxRenderObjClass::OBBoxRenderObjClass -- Constructor - initiallize from a definition *
* OBBoxRenderObjClass::OBBoxRenderObjClass -- copy constructor *
* OBBoxRenderObjClass::OBBoxRenderObjClass -- constructor - initialize from a wwmath obbox *
* OBBoxRenderObjClass::operator -- assignment operator *
* OBBoxRenderObjClass::Clone -- clone this obbox *
* OBBoxRenderObjClass::Class_ID -- returns the class ID of OBBoxRenderObjClass *
* OBBoxRenderObjClass::Render -- render this obbox *
* OBBoxRenderObjClass::Special_Render -- special render (vis) *
* OBBoxRenderObjClass::Set_Transform -- set the transform for this box *
* OBBoxRenderObjClass::Set_Position -- set the position of this box *
* OBBoxRenderObjClass::update_cached_box -- update the cached world-space box *
* OBBoxRenderObjClass::Cast_Ray -- cast a ray against this box *
* OBBoxRenderObjClass::Cast_AABox -- cast a swept aabox against this box *
* OBBoxRenderObjClass::Cast_OBBox -- cast a swept obbox against this bo *
* OBBoxRenderObjClass::Intersect_AABox -- test this box for intersection with an AAbox *
* OBBoxRenderObjClass::Intersect_OBBox -- test this box for intersection with an OBBox *
* OBBoxRenderObjClass::Get_Obj_Space_Bounding_Sphere -- return the obj-space bounding spher *
* OBBoxRenderObjClass::Get_Obj_Space_Bounding_Box -- returns the obj-space bounding box *
* OBBoxRenderObjClass::Get_Box -- returns the cached world-space box *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#include "boxrobj.h"
#include "w3d_util.h"
#include "wwdebug.h"
#include "vertmaterial.h"
#include "ww3d.h"
#include "chunkio.h"
#include "rinfo.h"
#include "coltest.h"
#include "inttest.h"
#include "dx8wrapper.h"
#include "dx8indexbuffer.h"
#include "dx8vertexbuffer.h"
#include "dx8fvf.h"
#include "sortingrenderer.h"
#include "visrasterizer.h"
#include "meshgeometry.h"
#define NUM_BOX_VERTS 8
#define NUM_BOX_FACES 12
// Face Connectivity
static TriIndex _BoxFaces[NUM_BOX_FACES] =
{
TriIndex( 0,1,2 ), // +z faces
TriIndex( 0,2,3 ),
TriIndex( 4,7,6 ), // -z faces
TriIndex( 4,6,5 ),
TriIndex( 0,3,7 ), // +x faces
TriIndex( 0,7,4 ),
TriIndex( 1,5,6 ), // -x faces
TriIndex( 1,6,2 ),
TriIndex( 4,5,1 ), // +y faces
TriIndex( 4,1,0 ),
TriIndex( 3,2,6 ), // -y faces
TriIndex( 3,6,7 )
};
// Vertex Positions as a function of the box extents
static Vector3 _BoxVerts[NUM_BOX_VERTS] =
{
Vector3( 1.0f, 1.0f, 1.0f ), // +z ring of 4 verts
Vector3( -1.0f, 1.0f, 1.0f ),
Vector3( -1.0f,-1.0f, 1.0f ),
Vector3( 1.0f,-1.0f, 1.0f ),
Vector3( 1.0f, 1.0f,-1.0f ), // -z ring of 4 verts;
Vector3( -1.0f, 1.0f,-1.0f ),
Vector3( -1.0f,-1.0f,-1.0f ),
Vector3( 1.0f,-1.0f,-1.0f ),
};
// Vertex Normals
static Vector3 _BoxVertexNormals[NUM_BOX_VERTS] =
{
Vector3( WWMATH_OOSQRT3, WWMATH_OOSQRT3, WWMATH_OOSQRT3 ),
Vector3(-WWMATH_OOSQRT3, WWMATH_OOSQRT3, WWMATH_OOSQRT3 ),
Vector3(-WWMATH_OOSQRT3,-WWMATH_OOSQRT3, WWMATH_OOSQRT3 ),
Vector3( WWMATH_OOSQRT3,-WWMATH_OOSQRT3, WWMATH_OOSQRT3 ),
Vector3( WWMATH_OOSQRT3, WWMATH_OOSQRT3,-WWMATH_OOSQRT3 ),
Vector3(-WWMATH_OOSQRT3, WWMATH_OOSQRT3,-WWMATH_OOSQRT3 ),
Vector3(-WWMATH_OOSQRT3,-WWMATH_OOSQRT3,-WWMATH_OOSQRT3 ),
Vector3( WWMATH_OOSQRT3,-WWMATH_OOSQRT3,-WWMATH_OOSQRT3 ),
};
bool BoxRenderObjClass::IsInitted = false;
int BoxRenderObjClass::DisplayMask = 0;
static VertexMaterialClass * _BoxMaterial = NULL;
static ShaderClass _BoxShader;
/*
** BoxRenderObjClass Implementation
*/
/***********************************************************************************************
* BoxRenderObjClass::BoxRenderObjClass -- Constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
BoxRenderObjClass::BoxRenderObjClass(void)
{
memset(Name,0,sizeof(Name));
Color.Set(1,1,1);
Opacity = 0.25f;
ObjSpaceCenter.Set(0,0,0);
ObjSpaceExtent.Set(1,1,1);
}
/***********************************************************************************************
* BoxRenderObjClass::BoxRenderObjClass -- Constructor - init from a definition *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
BoxRenderObjClass::BoxRenderObjClass(const W3dBoxStruct & def)
{
Set_Name(def.Name);
W3dUtilityClass::Convert_Color(def.Color,&Color);
W3dUtilityClass::Convert_Vector(def.Center,&ObjSpaceCenter);
W3dUtilityClass::Convert_Vector(def.Extent,&ObjSpaceExtent);
int col_bits = (def.Attributes & W3D_BOX_ATTRIBUTE_COLLISION_TYPE_MASK) >> W3D_BOX_ATTRIBUTE_COLLISION_TYPE_SHIFT;
Set_Collision_Type(col_bits<<1);
Opacity = 0.25f;
}
/***********************************************************************************************
* BoxRenderObjClass::BoxRenderObjClass -- Copy constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
BoxRenderObjClass::BoxRenderObjClass(const BoxRenderObjClass & src)
{
*this = src;
}
/***********************************************************************************************
* BoxRenderObjClass::operator -- assignment operator *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
BoxRenderObjClass & BoxRenderObjClass::operator = (const BoxRenderObjClass & that)
{
if (this != &that) {
RenderObjClass::operator = (that);
Set_Name(that.Get_Name());
Color.Set(that.Color);
ObjSpaceCenter.Set(that.ObjSpaceCenter);
ObjSpaceExtent.Set(that.ObjSpaceExtent);
}
return *this;
}
/***********************************************************************************************
* BoxRenderObjClass::Get_Num_Polys -- returns number of polygons *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
int BoxRenderObjClass::Get_Num_Polys(void) const
{
return 12;
}
/***********************************************************************************************
* BoxRenderObjClass::Get_Name -- returns name *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
const char * BoxRenderObjClass::Get_Name(void) const
{
return Name;
}
/***********************************************************************************************
* BoxRenderObjClass::Set_Name -- sets the name *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::Set_Name(const char * name)
{
WWASSERT(name != NULL);
WWASSERT(strlen(name) < 2*W3D_NAME_LEN);
strcpy(Name,name);
}
/***********************************************************************************************
* BoxRenderObjClass::Set_Color -- Sets the color of the box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::Set_Color(const Vector3 & color)
{
Color = color;
}
/***********************************************************************************************
* BoxRenderObjClass::Init_Box_Render_System -- global initialization needed for boxes to work *
* *
* Allocates materials which all boxes share. Initializes vertex tables, etc *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::Init(void)
{
WWASSERT(IsInitted == false);
/*
** Set up the materials
*/
WWASSERT(_BoxMaterial == NULL);
_BoxMaterial = NEW_REF(VertexMaterialClass,());
_BoxMaterial->Set_Ambient(0,0,0);
_BoxMaterial->Set_Diffuse(0,0,0);
_BoxMaterial->Set_Specular(0,0,0);
_BoxMaterial->Set_Emissive(1,1,1);
_BoxMaterial->Set_Opacity(1.0f); // uses vertex alpha...
_BoxMaterial->Set_Shininess(0.0f);
_BoxShader = ShaderClass::_PresetAlphaSolidShader; //_PresetAdditiveSolidShader;
IsInitted = true;
}
/***********************************************************************************************
* BoxRenderObjClass::Shutdown -- cleanup box render system *
* *
* Releases resources allocated in Init *
* NOTE: this is a static function that should only be called by the system *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::Shutdown(void)
{
WWASSERT(IsInitted == true);
REF_PTR_RELEASE(_BoxMaterial);
IsInitted = false;
}
/***********************************************************************************************
* BoxRenderObjClass::Set_Box_Display_Mask -- Sets global display mask for all boxes *
* *
* Boxes are debug objects and usually used for collision. This mask is 'AND'ed with each *
* box's collision type to determine whether the box should be rendered. *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::Set_Box_Display_Mask(int mask)
{
DisplayMask = mask;
}
/***********************************************************************************************
* BoxRenderObjClass::Get_Box_Display_Mask -- returns the display mask *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
int BoxRenderObjClass::Get_Box_Display_Mask(void)
{
return DisplayMask;
}
/***********************************************************************************************
* BoxRenderObjClass::render_box -- submits the box to the GERD *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void BoxRenderObjClass::render_box(RenderInfoClass & rinfo,const Vector3 & center,const Vector3 & extent)
{
if (!IsInitted) return;
if (DisplayMask & Get_Collision_Type()) {
static Vector3 verts[NUM_BOX_VERTS];
// compute the vertex positions
for (int ivert=0; ivertx=verts[i][0];
vb->y=verts[i][1];
vb->z=verts[i][2];
// Normals
vb->nx=_BoxVertexNormals[i][0];
vb->ny=_BoxVertexNormals[i][1];
vb->nz=_BoxVertexNormals[i][2];
// Colors
vb->diffuse=color;
vb++;
}
}
/*
** Dump the faces into the sorting dynamic index buffer.
*/
DynamicIBAccessClass ibaccess(buffer_type,NUM_BOX_FACES*3);
{
DynamicIBAccessClass::WriteLockClass lock(&ibaccess);
unsigned short * indices = lock.Get_Index_Array();
for (int i=0; iRender_Triangles(verts,NUM_BOX_VERTS,_BoxFaces,NUM_BOX_FACES,Get_Bounding_Box());
}
/*
** AABoxRenderObjClass Implementation
*/
/***********************************************************************************************
* AABoxRenderObjClass::AABoxRenderObjClass -- constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
AABoxRenderObjClass::AABoxRenderObjClass(void)
{
update_cached_box();
}
/***********************************************************************************************
* AABoxRenderObjClass::AABoxRenderObjClass -- Constructor - init from a definition *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
AABoxRenderObjClass::AABoxRenderObjClass(const W3dBoxStruct & def) :
BoxRenderObjClass(def)
{
update_cached_box();
}
/***********************************************************************************************
* AABoxRenderObjClass::AABoxRenderObjClass -- copy constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
AABoxRenderObjClass::AABoxRenderObjClass(const AABoxRenderObjClass & src)
{
*this = src;
}
/***********************************************************************************************
* AABoxRenderObjClass::AABoxRenderObjClass -- Constructor from a wwmath aabox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
AABoxRenderObjClass::AABoxRenderObjClass(const AABoxClass & box)
{
ObjSpaceCenter.Set(0,0,0);
ObjSpaceExtent.Set(box.Extent);
Set_Position(box.Center);
update_cached_box();
}
/***********************************************************************************************
* AABoxRenderObjClass::operator -- assignment operator *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
AABoxRenderObjClass & AABoxRenderObjClass::operator = (const AABoxRenderObjClass & that)
{
if (this != &that) {
BoxRenderObjClass::operator = (that);
CachedBox = that.CachedBox;
}
return *this;
}
/***********************************************************************************************
* AABoxRenderObjClass::Clone -- clones the box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
RenderObjClass * AABoxRenderObjClass::Clone(void) const
{
return new AABoxRenderObjClass(*this);
}
/***********************************************************************************************
* AABoxRenderObjClass::Class_ID -- returns the class-id for AABox's *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
int AABoxRenderObjClass::Class_ID(void) const
{
return RenderObjClass::CLASSID_AABOX;
}
/***********************************************************************************************
* AABoxRenderObjClass::Render -- render this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Render(RenderInfoClass & rinfo)
{
Matrix3D temp(1);
temp.Translate(Transform.Get_Translation());
DX8Wrapper::Set_Transform(D3DTS_WORLD,temp);
render_box(rinfo,ObjSpaceCenter,ObjSpaceExtent);
}
/***********************************************************************************************
* AABoxRenderObjClass::Special_Render -- special render this box (vis) *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Special_Render(SpecialRenderInfoClass & rinfo)
{
if (rinfo.RenderType == SpecialRenderInfoClass::RENDER_VIS) {
WWASSERT(rinfo.VisRasterizer != NULL);
Matrix3D temp(1);
temp.Translate(Transform.Get_Translation());
rinfo.VisRasterizer->Set_Model_Transform(temp);
vis_render_box(rinfo,ObjSpaceCenter,ObjSpaceExtent);
}
}
/***********************************************************************************************
* AABoxRenderObjClass::Set_Transform -- set the transform for this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Set_Transform(const Matrix3D &m)
{
RenderObjClass::Set_Transform(m);
update_cached_box();
}
/***********************************************************************************************
* AABoxRenderObjClass::Set_Position -- Set the position of this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Set_Position(const Vector3 &v)
{
RenderObjClass::Set_Position(v);
update_cached_box();
}
/***********************************************************************************************
* AABoxRenderObjClass::update_cached_box -- update the world-space version of this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::update_cached_box(void)
{
CachedBox.Center = Transform.Get_Translation() + ObjSpaceCenter;
CachedBox.Extent = ObjSpaceExtent;
}
/***********************************************************************************************
* AABoxRenderObjClass::Cast_Ray -- cast a ray against this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool AABoxRenderObjClass::Cast_Ray(RayCollisionTestClass & raytest)
{
if ((Get_Collision_Type() & raytest.CollisionType) == 0) return false;
if (Is_Animation_Hidden()) return false;
if (raytest.Result->StartBad) return false;
if (CollisionMath::Collide(raytest.Ray,CachedBox,raytest.Result)) {
raytest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* AABoxRenderObjClass::Cast_AABox -- cast an AABox against this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool AABoxRenderObjClass::Cast_AABox(AABoxCollisionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
if (boxtest.Result->StartBad) return false;
if (CollisionMath::Collide(boxtest.Box,boxtest.Move,CachedBox,boxtest.Result)) {
boxtest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* AABoxRenderObjClass::Cast_OBBox -- cast an OBBox against this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool AABoxRenderObjClass::Cast_OBBox(OBBoxCollisionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
if (boxtest.Result->StartBad) return false;
if (CollisionMath::Collide(boxtest.Box,boxtest.Move,CachedBox,Vector3(0,0,0),boxtest.Result)) {
boxtest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* AABoxRenderObjClass::Intersect_AABox -- intersect this box with an AABox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool AABoxRenderObjClass::Intersect_AABox(AABoxIntersectionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
return CollisionMath::Intersection_Test(CachedBox,boxtest.Box);
}
/***********************************************************************************************
* AABoxRenderObjClass::Intersect_OBBox -- Intersect this box with an OBBox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool AABoxRenderObjClass::Intersect_OBBox(OBBoxIntersectionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
return CollisionMath::Intersection_Test(CachedBox,boxtest.Box);
}
/***********************************************************************************************
* AABoxRenderObjClass::Get_Obj_Space_Bounding_Sphere -- return the object-space bounding sphe *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Get_Obj_Space_Bounding_Sphere(SphereClass & sphere) const
{
sphere.Init(ObjSpaceCenter,ObjSpaceExtent.Length());
}
/***********************************************************************************************
* AABoxRenderObjClass::Get_Obj_Space_Bounding_Box -- returns the obj-space bounding box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void AABoxRenderObjClass::Get_Obj_Space_Bounding_Box(AABoxClass & box) const
{
box.Init(ObjSpaceCenter,ObjSpaceExtent);
}
/***********************************************************************************************
* OBBoxRenderObjClass::OBBoxRenderObjClass -- Constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxRenderObjClass::OBBoxRenderObjClass(void)
{
update_cached_box();
}
/***********************************************************************************************
* OBBoxRenderObjClass::OBBoxRenderObjClass -- Constructor - initiallize from a definition *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxRenderObjClass::OBBoxRenderObjClass(const W3dBoxStruct & def) :
BoxRenderObjClass(def)
{
update_cached_box();
}
/***********************************************************************************************
* OBBoxRenderObjClass::OBBoxRenderObjClass -- copy constructor *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxRenderObjClass::OBBoxRenderObjClass(const OBBoxRenderObjClass & that)
{
*this = that;
}
/***********************************************************************************************
* OBBoxRenderObjClass::OBBoxRenderObjClass -- constructor - initialize from a wwmath obbox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxRenderObjClass::OBBoxRenderObjClass(const OBBoxClass & box)
{
ObjSpaceCenter.Set(Vector3(0,0,0));
ObjSpaceExtent.Set(box.Extent);
Set_Transform(Matrix3D(box.Basis,box.Center));
update_cached_box(); // cached box should == box!
}
/***********************************************************************************************
* OBBoxRenderObjClass::operator -- assignment operator *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxRenderObjClass & OBBoxRenderObjClass::operator = (const OBBoxRenderObjClass & that)
{
if (this != &that) {
BoxRenderObjClass::operator = (that);
CachedBox = that.CachedBox;
}
return *this;
}
/***********************************************************************************************
* OBBoxRenderObjClass::Clone -- clone this obbox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
RenderObjClass * OBBoxRenderObjClass::Clone(void) const
{
return new OBBoxRenderObjClass(*this);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Class_ID -- returns the class ID of OBBoxRenderObjClass *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
int OBBoxRenderObjClass::Class_ID(void) const
{
return RenderObjClass::CLASSID_OBBOX;
}
/***********************************************************************************************
* OBBoxRenderObjClass::Render -- render this obbox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Render(RenderInfoClass & rinfo)
{
DX8Wrapper::Set_Transform(D3DTS_WORLD,Transform);
render_box(rinfo,ObjSpaceCenter,ObjSpaceExtent);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Special_Render -- special render (vis) *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Special_Render(SpecialRenderInfoClass & rinfo)
{
if (rinfo.RenderType == SpecialRenderInfoClass::RENDER_VIS) {
WWASSERT(rinfo.VisRasterizer != NULL);
rinfo.VisRasterizer->Set_Model_Transform(Transform);
vis_render_box(rinfo,ObjSpaceCenter,ObjSpaceExtent);
}
}
/***********************************************************************************************
* OBBoxRenderObjClass::Set_Transform -- set the transform for this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Set_Transform(const Matrix3D &m)
{
RenderObjClass::Set_Transform(m);
update_cached_box();
}
/***********************************************************************************************
* OBBoxRenderObjClass::Set_Position -- set the position of this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Set_Position(const Vector3 &v)
{
RenderObjClass::Set_Position(v);
update_cached_box();
}
/***********************************************************************************************
* OBBoxRenderObjClass::update_cached_box -- update the cached world-space box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::update_cached_box(void)
{
Matrix3D::Transform_Vector(Transform,ObjSpaceCenter,&CachedBox.Center);
CachedBox.Extent.Set(ObjSpaceExtent);
CachedBox.Basis.Set(Transform);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Cast_Ray -- cast a ray against this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool OBBoxRenderObjClass::Cast_Ray(RayCollisionTestClass & raytest)
{
if ((Get_Collision_Type() & raytest.CollisionType) == 0) return false;
if (Is_Animation_Hidden()) return false;
if (raytest.Result->StartBad) return false;
if (CollisionMath::Collide(raytest.Ray,CachedBox,raytest.Result)) {
raytest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* OBBoxRenderObjClass::Cast_AABox -- cast a swept aabox against this box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool OBBoxRenderObjClass::Cast_AABox(AABoxCollisionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
if (boxtest.Result->StartBad) return false;
if (CollisionMath::Collide(boxtest.Box,boxtest.Move,CachedBox,Vector3(0,0,0),boxtest.Result)) {
boxtest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* OBBoxRenderObjClass::Cast_OBBox -- cast a swept obbox against this bo *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool OBBoxRenderObjClass::Cast_OBBox(OBBoxCollisionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
if (boxtest.Result->StartBad) return false;
if (CollisionMath::Collide(boxtest.Box,boxtest.Move,CachedBox,Vector3(0,0,0),boxtest.Result)) {
boxtest.CollidedRenderObj = this;
return true;
}
return false;
}
/***********************************************************************************************
* OBBoxRenderObjClass::Intersect_AABox -- test this box for intersection with an AAbox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool OBBoxRenderObjClass::Intersect_AABox(AABoxIntersectionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
return CollisionMath::Intersection_Test(CachedBox,boxtest.Box);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Intersect_OBBox -- test this box for intersection with an OBBox *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
bool OBBoxRenderObjClass::Intersect_OBBox(OBBoxIntersectionTestClass & boxtest)
{
if ((Get_Collision_Type() & boxtest.CollisionType) == 0) return false;
return CollisionMath::Intersection_Test(CachedBox,boxtest.Box);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Get_Obj_Space_Bounding_Sphere -- return the obj-space bounding sphere *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Get_Obj_Space_Bounding_Sphere(SphereClass & sphere) const
{
sphere.Init(ObjSpaceCenter,ObjSpaceExtent.Length());
}
/***********************************************************************************************
* OBBoxRenderObjClass::Get_Obj_Space_Bounding_Box -- returns the obj-space bounding box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
void OBBoxRenderObjClass::Get_Obj_Space_Bounding_Box(AABoxClass & box) const
{
box.Init(ObjSpaceCenter,ObjSpaceExtent);
}
/***********************************************************************************************
* OBBoxRenderObjClass::Get_Box -- returns the cached world-space box *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 1/19/00 gth : Created. *
*=============================================================================================*/
OBBoxClass & OBBoxRenderObjClass::Get_Box(void)
{
Validate_Transform();
update_cached_box();
return CachedBox;
}
/*
** BoxLoaderClass Implementation
*/
PrototypeClass * BoxLoaderClass::Load_W3D(ChunkLoadClass & cload)
{
W3dBoxStruct box;
cload.Read(&box,sizeof(box));
return new BoxPrototypeClass(box);
}
/*
** BoxPrototypeClass Implementation
*/
BoxPrototypeClass::BoxPrototypeClass(W3dBoxStruct box)
{
Definition = box;
}
const char * BoxPrototypeClass::Get_Name(void) const
{
return Definition.Name;
}
int BoxPrototypeClass::Get_Class_ID(void) const
{
if (Definition.Attributes & W3D_BOX_ATTRIBUTE_ORIENTED) {
return RenderObjClass::CLASSID_OBBOX;
} else {
return RenderObjClass::CLASSID_AABOX;
}
}
RenderObjClass * BoxPrototypeClass::Create(void)
{
if (Definition.Attributes & W3D_BOX_ATTRIBUTE_ORIENTED) {
return NEW_REF( OBBoxRenderObjClass, (Definition) );
} else {
return NEW_REF( AABoxRenderObjClass, (Definition) );
}
}
/*
** Global instance of the box loader
*/
BoxLoaderClass _BoxLoader;