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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
294
Code/ww3d2/decalmsh.h
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294
Code/ww3d2/decalmsh.h
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** 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 ***
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***********************************************************************************************
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* *
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* Project Name : WW3D *
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* *
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* $Archive:: /Commando/Code/ww3d2/decalmsh.h $*
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* *
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* Original Author:: Greg Hjelstrom *
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* *
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* $Author:: Jani_p $*
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* *
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* $Modtime:: 11/24/01 6:18p $*
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* *
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* $Revision:: 7 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#ifndef DECALMSH_H
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#define DECALMSH_H
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#include "always.h"
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#include "bittype.h"
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#include "simplevec.h"
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#include "vector.h"
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#include "vector2.h"
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#include "vector3.h"
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#include "vector3i.h"
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#include "vector4.h"
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#include "shader.h"
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#include "vertmaterial.h"
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#include "meshgeometry.h"
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class MeshClass;
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class RenderInfoClass;
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class DecalGeneratorClass;
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class DecalSystemClass;
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class OBBoxClass;
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class TextureClass;
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/**
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** DecalMeshClass
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** This is a "subordinate" class to MeshModel which simply adds "decal" polygons to the mesh.
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** These polygons will always be exact copies of polygons already in the parent mesh.
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**
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** Design Goals:
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** - Each decal can have its own material settings
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** - Dynamically growing array of decals
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** - Each decal is assigned a unique "logical-decal-id" by the decal manager
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** - A decal mesh may be instructed to remove a specified "logical-decal"
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**
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** DecalMeshClass is an abstract base class from which we derive concrete classes.
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*/
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class DecalMeshClass : public RefCountClass
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{
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public:
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DecalMeshClass(MeshClass * parent,DecalSystemClass * system);
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virtual ~DecalMeshClass(void);
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// world_vertex_locs and world_vertex_norms are dynamically updated worldspace vertex data
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// which are used by some decal types which cannot use static object geometry (such as decals
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// for skins, procedurally generated meshes, etc.)
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virtual void Render(void) = 0;
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virtual bool Create_Decal( DecalGeneratorClass * generator,
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const OBBoxClass & localbox,
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SimpleDynVecClass<uint32> & apt,
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const DynamicVectorClass<Vector3> * world_vertex_locs = 0) = 0;
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virtual bool Delete_Decal(uint32 id) = 0;
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virtual int Decal_Count(void) = 0;
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virtual uint32 Get_Decal_ID(int decal_index) = 0;
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MeshClass * Peek_Parent(void);
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DecalSystemClass * Peek_System(void);
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DecalMeshClass * Peek_Next_Visible(void) { return NextVisible; }
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void Set_Next_Visible(DecalMeshClass * mesh) { NextVisible = mesh; }
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protected:
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/*
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** Members
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*/
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MeshClass * Parent;
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DecalSystemClass * DecalSystem;
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DecalMeshClass * NextVisible;
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};
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/*
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** RigidDecalMeshClass: a concrete class derived from DecalMeshClass which is
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** used for decals on rigid (non-skin) meshes.
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*/
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class RigidDecalMeshClass : public DecalMeshClass
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{
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public:
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RigidDecalMeshClass(MeshClass * parent,DecalSystemClass * system);
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virtual ~RigidDecalMeshClass(void);
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// Rigid decal meshes have static geometry so they do not use world_vertex_locs/norms
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virtual void Render(void);
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virtual bool Create_Decal( DecalGeneratorClass * generator,
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const OBBoxClass & localbox,
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SimpleDynVecClass<uint32> & apt,
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const DynamicVectorClass<Vector3> * world_vertex_locs = 0);
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virtual bool Delete_Decal(uint32 id);
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int Decal_Count(void);
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uint32 Get_Decal_ID(int decal_index);
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protected:
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int Process_Material_Run(int start_index);
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/*
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** Connectivity
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*/
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SimpleDynVecClass<TriIndex> Polys;
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/*
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** Geometry
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*/
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SimpleDynVecClass<Vector3> Verts;
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SimpleDynVecClass<Vector3> VertNorms;
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/*
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** Materials
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*/
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SimpleDynVecClass<ShaderClass> Shaders;
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SimpleDynVecClass<TextureClass *> Textures;
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SimpleDynVecClass<VertexMaterialClass *> VertexMaterials;
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SimpleDynVecClass<Vector2> TexCoords;
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/*
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** Decal Organization
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*/
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struct DecalStruct
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{
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uint32 DecalID;
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uint16 VertexStartIndex;
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uint16 VertexCount;
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uint16 FaceStartIndex;
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uint16 FaceCount;
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};
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SimpleDynVecClass<DecalStruct> Decals;
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};
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/*
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** SkinDecalMeshClass: a concrete class derived from DecalMeshClass which is
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** used for decals on skin meshes.
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*/
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class SkinDecalMeshClass : public DecalMeshClass
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{
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public:
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SkinDecalMeshClass(MeshClass * parent,DecalSystemClass * system);
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virtual ~SkinDecalMeshClass(void);
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// Skin decals use world_vertex_locs/norms since they cannot use static geometry
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virtual void Render(void);
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virtual bool Create_Decal( DecalGeneratorClass * generator,
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const OBBoxClass & localbox,
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SimpleDynVecClass<uint32> & apt,
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const DynamicVectorClass<Vector3> * world_vertex_locs);
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virtual bool Delete_Decal(uint32 id);
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int Decal_Count(void);
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uint32 Get_Decal_ID(int decal_index);
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protected:
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int Process_Material_Run(int start_index);
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/*
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** Connectivity
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*/
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SimpleDynVecClass<TriIndex> Polys;
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/*
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** Indirected vertex indices (for copying dynamically updated mesh geometry)
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*/
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SimpleDynVecClass<uint32> ParentVertexIndices;
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/*
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** Materials
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*/
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SimpleDynVecClass<ShaderClass> Shaders;
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SimpleDynVecClass<TextureClass *> Textures;
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SimpleDynVecClass<VertexMaterialClass *> VertexMaterials;
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SimpleDynVecClass<Vector2> TexCoords;
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/*
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** Decal Organization
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*/
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struct DecalStruct
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{
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uint32 DecalID;
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uint16 VertexStartIndex;
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uint16 VertexCount;
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uint16 FaceStartIndex;
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uint16 FaceCount;
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};
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SimpleDynVecClass<DecalStruct> Decals;
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};
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/*
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** DecalMeshClass inline functions
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*/
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inline MeshClass * DecalMeshClass::Peek_Parent(void)
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{
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return Parent;
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}
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inline DecalSystemClass * DecalMeshClass::Peek_System(void)
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{
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return DecalSystem;
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}
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/*
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** RigidDecalMeshClass inline functions
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*/
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inline int RigidDecalMeshClass::Decal_Count(void)
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{
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return Decals.Count();
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}
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inline uint32 RigidDecalMeshClass::Get_Decal_ID(int decal_index)
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{
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return Decals[decal_index].DecalID;
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}
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/*
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** SkinDecalMeshClass inline functions
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*/
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inline int SkinDecalMeshClass::Decal_Count(void)
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{
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return Decals.Count();
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}
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inline uint32 SkinDecalMeshClass::Get_Decal_ID(int decal_index)
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{
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return Decals[decal_index].DecalID;
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}
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#endif //DECALMSH_H
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