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CnC_Renegade/Code/ww3d2/line3d.h

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/*
** 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 <http://www.gnu.org/licenses/>.
*/
/***************************************************************************
*** 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 : G *
* *
* $Archive:: /Commando/Code/ww3d2/line3d.h $*
* *
* $Author:: Hector_y $*
* *
* $Modtime:: 2/16/01 3:52p $*
* *
* $Revision:: 2 $*
* *
*-------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if defined(_MSC_VER)
#pragma once
#endif
#ifndef LINE3D_H
#define LINE3D_H
#include "always.h"
#include "rendobj.h"
#include "vector3.h"
#include "vector4.h"
#include "shader.h"
class VertexMaterialClass;
class RenderInfoClass;
/*
** Line3DClass -- Render3DObject for rendering 3D line segments.
** These are conceptually cylinders with a given width - some approximation
** of this will be rendered. (The current approximation assumes that
** Line3DCLass objects are unlit, therefore only the sihouette needs to be
** approximated).
*/
class Line3DClass : public RenderObjClass
{
public:
Line3DClass (const Vector3 & start, const Vector3 & end, float width,
float r, float g, float b, float opacity = 1.0f);
Line3DClass(const Line3DClass & src);
Line3DClass & operator = (const Line3DClass & that);
virtual ~Line3DClass(void);
virtual RenderObjClass * Clone(void) const;
// class id of this render object
virtual int Class_ID(void) const { return CLASSID_LINE3D; }
virtual void Render(RenderInfoClass & rfinfo);
// scale the 3D line symmetrically about its center.
virtual void Scale(float scale);
virtual void Scale(float scalex, float scaley, float scalez);
// returns the number of polygons in the render object
virtual int Get_Num_Polys(void) const;
// Get the object space bounding volumes
virtual void Get_Obj_Space_Bounding_Sphere(SphereClass & sphere) const;
virtual void Get_Obj_Space_Bounding_Box(AABoxClass & box) const;
// The following functions are unique to Line3DClass:
// Reset the line start and end points
void Reset(const Vector3 & new_start, const Vector3 & new_end);
// Reset line start and end points, and the line width
void Reset(const Vector3 & new_start, const Vector3 & new_end, float new_width);
// Reset the line color
void Re_Color(float r, float g, float b);
// Reset the line opacity
void Set_Opacity(float opacity);
protected:
// This is kept to facilitate changing the line endpoints.
float Length;
// This is kept to facilitate changing the line width.
float Width;
// shader
ShaderClass Shader;
// vertices
Vector3 vert[8];
// color
Vector4 Color;
};
#endif