882 lines
18 KiB
C++
882 lines
18 KiB
C++
// Copyright (C) 2002-2007 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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//
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// This file was written by Saurav Mohapatra and modified by Nikolaus Gebhardt.
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// See CCSMLoader.h for details.
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_CSM_LOADER_
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#include "CCSMLoader.h"
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#include "os.h"
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#include "IFileSystem.h"
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#include "IReadFile.h"
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#include "ISceneManager.h"
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#include "IAttributes.h"
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#include "SMesh.h"
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#include "IVideoDriver.h"
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#include "SAnimatedMesh.h"
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#include "SMeshBufferLightMap.h"
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namespace irr
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{
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namespace scene
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{
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//
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// the CSM data types
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//
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struct color_rgb_t
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{
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s32 red;
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s32 green;
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s32 blue;
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void clear()
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{
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red = 0;
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green = 0;
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blue = 0;
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}
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};
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class BinaryFileReader;
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//
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// The file header
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//
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class Header
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{
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public:
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static const s32 VERSION_4;
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static const s32 VERSION_4_1;
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Header(){ clear(); }
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virtual ~Header(){ clear(); }
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s32 getVersion() const{ return version; }
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void clear(){ version = 0; }
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void load(BinaryFileReader* pReader);
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private:
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s32 version;
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};
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//
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// The groups
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//
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class Group
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{
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public:
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Group(){ clear(); }
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virtual ~Group(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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s32 getFlags() const { return flags; }
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s32 getParentGroupID() const { return parentGroup; }
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const core::stringc& getProperties() const { return props; }
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const color_rgb_t* getColor() const { return &color; }
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private:
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s32 flags;
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s32 parentGroup;
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core::stringc props;
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color_rgb_t color;
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};
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//
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// The visgroups
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//
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class VisGroup
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{
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public:
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VisGroup(){ clear(); }
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virtual ~VisGroup(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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s32 getFlags() const{ return flags; }
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const core::stringc& getName() const{ return name; }
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const color_rgb_t* getColor() const{ return &color; }
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private:
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core::stringc name;
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s32 flags;
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color_rgb_t color;
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};
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//
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// Lightmaps
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//
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class LightMap
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{
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public:
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LightMap() : pixelData(0){ clear(); }
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virtual ~LightMap(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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s32 getWidth() const{ return width; }
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s32 getHeight() const{ return height; }
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const s32* getPixelData() const{ return pixelData; }
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private:
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s32 width;
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s32 height;
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s32* pixelData;
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};
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struct Triangle
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{
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s32 a,b,c;
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};
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struct Line
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{
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s32 a,b;
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};
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class Vertex
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{
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public:
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Vertex(){ clear(); }
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virtual ~Vertex(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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const core::vector3df* getPosition() const { return &position; }
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const core::vector3df* getNormal() const { return &normal; }
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const color_rgb_t* getColor() const { return &color; }
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const core::vector3df* getTextureCoordinates() const { return &texCoords; }
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const core::vector3df* getLightMapCoordinates() const { return &lmapCoords; }
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private:
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core::vector3df position;
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core::vector3df normal;
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color_rgb_t color;
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core::vector3df texCoords;
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core::vector3df lmapCoords;
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};
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class Surface
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{
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public:
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Surface() { clear(); }
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virtual ~Surface(){ clear(); }
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void clear();
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void load(BinaryFileReader *pReader);
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s32 getFlags() const{ return flags; }
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const core::stringc& getTextureName() const{ return textureName; }
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s32 getLightMapId() const{ return lightMapId; }
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const core::vector2df* getUVOffset() const{ return &uvOffset; }
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const core::vector2df* getUVScale() const{ return &uvScale; }
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f32 getUVRotation() const{ return uvRotation; }
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u32 getVertexCount() const{ return vertices.size(); }
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const Vertex* getVertexAt(const s32 index) const{ return vertices[index]; }
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s32 getTriangleCount() const{ return triangles.size(); }
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const Triangle& getTriangleAt(const s32 index) const{ return triangles[index]; }
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private:
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s32 flags;
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core::stringc textureName;
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s32 lightMapId;
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core::vector2df uvOffset;
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core::vector2df uvScale;
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f32 uvRotation;
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core::array<Vertex*> vertices;
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core::array<Triangle> triangles;
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core::array<Line> lines;
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};
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class Mesh
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{
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public:
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Mesh(){ clear(); }
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virtual ~Mesh(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader, bool bReadVisGroups);
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s32 getFlags() const { return flags; }
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s32 getGroupID() const { return groupId; }
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const core::stringc& getProperties() const { return props; }
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const color_rgb_t* getColor() const { return &color; }
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const core::vector3df* getPosition() const { return &position; }
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s32 getVisgroupID() const { return visgroupId; }
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s32 getSurfaceCount() const { return surfaces.size(); }
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const Surface* getSurfaceAt(const s32 index) const { return surfaces[index]; }
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private:
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s32 flags;
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s32 groupId;
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core::stringc props;
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color_rgb_t color;
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core::vector3df position;
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s32 visgroupId;
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core::array<Surface*> surfaces;
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};
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class Entity
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{
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public:
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Entity() { clear(); }
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virtual ~Entity() { clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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s32 getVisgroupID() const { return visgroupId; }
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s32 getGroupID() const { return groupId; }
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const core::stringc& getProperties() const { return props; }
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const core::vector3df* getPosition() const { return &position; }
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private:
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s32 visgroupId;
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s32 groupId;
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core::stringc props;
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core::vector3df position;
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};
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class CameraData
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{
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public:
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CameraData(){ clear(); }
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virtual ~CameraData(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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const core::vector3df* getPosition(){ return &position; }
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f32 getPitch(){ return pitch; }
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f32 getYaw(){ return yaw; }
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private:
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core::vector3df position;
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f32 pitch;
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f32 yaw;
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};
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//
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// A CSM File
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//
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class CSMFile
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{
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public:
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CSMFile(){ clear(); }
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virtual ~CSMFile(){ clear(); }
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void clear();
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void load(BinaryFileReader* pReader);
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const Header* getHeader() const{ return &header; }
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s32 getGroupCount() const{ return groups.size(); }
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const Group* getGroupAt(const s32 index) const{ return groups[index]; }
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s32 getVisGroupCount() const{ return visgroups.size(); }
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const VisGroup* getVisGroupAt(const s32 index) const{ return visgroups[index]; }
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s32 getLightMapCount() const{ return lightmaps.size(); }
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const LightMap* getLightMapAt(const s32 index) const { return lightmaps[index]; }
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s32 getMeshCount() const{ return meshes.size(); }
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const Mesh* getMeshAt(const s32 index) const{ return meshes[index]; }
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s32 getEntityCount() const{ return entities.size(); }
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const Entity* getEntityAt(const s32 index) const{ return entities[index]; }
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const CameraData* getCameraData() const{ return &cameraData; }
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private:
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Header header;
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core::array<Group*> groups;
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core::array<VisGroup*> visgroups;
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core::array<LightMap*> lightmaps;
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core::array<Mesh*> meshes;
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core::array<Entity*> entities;
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CameraData cameraData;
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};
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//
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// A Binary File Reader
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//
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class BinaryFileReader
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{
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public:
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BinaryFileReader(io::IReadFile* pFile, bool closeWhenDone=true);
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virtual ~BinaryFileReader();
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virtual s32 readBuffer(void* buffer, s32 len);
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s32 readLong();
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f32 readFloat();
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u8 readByte();
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core::stringc readString();
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void readVec3f(core::vector3df* v);
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void readVec2f(core::vector2df* v);
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void readColorRGB(color_rgb_t* color);
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private:
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io::IReadFile *file;
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bool autoClose;
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};
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CCSMLoader::CCSMLoader(scene::ISceneManager* manager, io::IFileSystem* fs)
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: FileSystem(fs), SceneManager(manager)
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{
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#ifdef _DEBUG
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setDebugName("CCSMLoader");
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#endif
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}
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CCSMLoader::~CCSMLoader()
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{
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}
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//! returns true if the file maybe is able to be loaded by this class
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//! based on the file extension (e.g. ".bsp")
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bool CCSMLoader::isALoadableFileExtension(const c8* fileName) const
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{
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return strstr(fileName, ".csm")!=0;
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}
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//! creates/loads an animated mesh from the file.
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IAnimatedMesh* CCSMLoader::createMesh(io::IReadFile* file)
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{
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file->grab(); // originally, this loader created the file on its own.
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scene::IMesh* m = createCSMMesh(file);
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if (!m)
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return 0;
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SAnimatedMesh* am = new SAnimatedMesh();
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am->Type = EAMT_CSM;
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am->addMesh(m);
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m->drop();
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am->recalculateBoundingBox();
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return am;
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}
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scene::IMesh* CCSMLoader::createCSMMesh(io::IReadFile* file)
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{
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if (!file)
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return 0;
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if(file)
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{
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BinaryFileReader reader(file, true);
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CSMFile csmFile;
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csmFile.load(&reader);
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scene::IMesh* pMesh = createIrrlichtMesh(&csmFile,
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SceneManager->getParameters()->getAttributeAsString(CSM_TEXTURE_PATH),
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file->getFileName());
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return pMesh;
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}
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return 0;
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}
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scene::IMesh* CCSMLoader::createIrrlichtMesh(const CSMFile* csmFile,
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core::stringc textureRoot, const c8* lmprefix)
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{
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scene::SMesh *pMesh = new scene::SMesh();
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video::IVideoDriver* driver = SceneManager->getVideoDriver();
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for(s32 l = 0; l<csmFile->getLightMapCount(); l++)
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{
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const LightMap* lmap = csmFile->getLightMapAt(l);
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core::stringc lmapName = lmprefix;
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lmapName += "LMAP_";
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lmapName += (int)(l+1);
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os::Printer::log("CCSMLoader loading light map", lmapName.c_str());
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video::IImage* lmapImg = driver->createImageFromData(
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video::ECF_A8R8G8B8,
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core::dimension2d<s32>(lmap->getWidth(),lmap->getHeight()),
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(void *)(lmap->getPixelData()));
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driver->addTexture(lmapName.c_str(), lmapImg);
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lmapImg->drop();
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}
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for(s32 m = 0; m<csmFile->getMeshCount(); m++)
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{
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const Mesh* mshPtr = csmFile->getMeshAt(m);
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for(s32 s = 0; s < mshPtr->getSurfaceCount(); s++)
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{
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const Surface* surface = mshPtr->getSurfaceAt(s);
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core::stringc texName = textureRoot;
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texName+= "/";
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texName+= surface->getTextureName();
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video::ITexture* texture = driver->getTexture(texName.c_str());
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scene::SMeshBufferLightMap *buffer = new scene::SMeshBufferLightMap();
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//material
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core::stringc lmapName = lmprefix;
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lmapName += "LMAP_";
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lmapName += (int)surface->getLightMapId();
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buffer->Material.setTexture(0, texture);
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buffer->Material.setTexture(1, driver->getTexture(lmapName.c_str()));
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buffer->Material.Lighting = false;
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buffer->Material.MaterialType = video::EMT_LIGHTMAP_M4;
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for(u32 v = 0; v < surface->getVertexCount(); v++)
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{
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const Vertex *vtxPtr = surface->getVertexAt(v);
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video::S3DVertex2TCoords vtx;
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vtx.Pos = *(vtxPtr->getPosition());
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vtx.Normal = *(vtxPtr->getPosition());
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vtx.Color.set(255,vtxPtr->getColor()->red,vtxPtr->getColor()->green,vtxPtr->getColor()->blue);
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vtx.TCoords.set(vtxPtr->getTextureCoordinates()->X,vtxPtr->getTextureCoordinates()->Y);
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vtx.TCoords2.set(vtxPtr->getLightMapCoordinates()->X,0.0f - vtxPtr->getLightMapCoordinates()->Y);
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buffer->Vertices.push_back(vtx);
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}
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for(s32 t = 0; t < surface->getTriangleCount(); t++)
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{
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const Triangle& tri = surface->getTriangleAt(t);
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buffer->Indices.push_back(tri.a);
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buffer->Indices.push_back(tri.c);
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buffer->Indices.push_back(tri.b);
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}
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buffer->recalculateBoundingBox();
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pMesh->addMeshBuffer(buffer);
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buffer->drop();
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}
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}
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pMesh->recalculateBoundingBox();
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return pMesh;
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}
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const s32 Header::VERSION_4 = 4;
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const s32 Header::VERSION_4_1 = 5;
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void Header::load(BinaryFileReader* pReader)
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{
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version = pReader->readLong();
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}
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void Group::clear()
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{
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color.clear();
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flags = 0;
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parentGroup = 0;
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props = "";
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}
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void Group::load(BinaryFileReader* pReader)
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{
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flags = pReader->readLong();
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parentGroup = pReader->readLong();
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props = pReader->readString();
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pReader->readColorRGB(&color);
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}
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void VisGroup::clear()
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{
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color.clear();
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flags = 0;
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name = "";
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}
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void VisGroup::load(BinaryFileReader* pReader)
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{
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name = pReader->readString();
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flags = pReader->readLong();
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pReader->readColorRGB(&color);
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}
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void LightMap::clear()
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{
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if(pixelData)
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{
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delete[] pixelData;
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pixelData = 0;
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}
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width = height = 0;
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}
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void LightMap::load(BinaryFileReader* pReader)
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{
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width = pReader->readLong();
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height = pReader->readLong();
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pixelData = new s32[width * height];
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pReader->readBuffer(pixelData, width * height * sizeof(s32));
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}
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void Mesh::clear()
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{
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flags = 0;
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groupId = 0;
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visgroupId = 0;
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props = "";
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color.clear();
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position.set(0,0,0);
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for(u32 s = 0; s < surfaces.size(); s++)
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{
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if(surfaces[s])
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{
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delete surfaces[s];
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}
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}
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surfaces.clear();
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}
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void Mesh::load(BinaryFileReader* pReader, bool bReadVisGroups)
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{
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flags = pReader->readLong();
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groupId = pReader->readLong();
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props = pReader->readString();
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pReader->readColorRGB(&color);
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pReader->readVec3f(&position);
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if(bReadVisGroups)
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visgroupId = pReader->readLong();
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else
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visgroupId = 0;
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s32 count = pReader->readLong();
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for(s32 i = 0; i < count; i++)
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{
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Surface* surf = new Surface();
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surf->load(pReader);
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surfaces.push_back(surf);
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}
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}
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void Surface::clear()
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{
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flags = 0;
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lightMapId = 0;
|
|
textureName = "";
|
|
uvOffset.set(0.0f,0.0f);
|
|
uvScale.set(0.0f,0.0f);
|
|
uvRotation = 0.0f;
|
|
triangles.clear();
|
|
lines.clear();
|
|
|
|
for(u32 v = 0; v < vertices.size(); v++)
|
|
delete vertices[v];
|
|
|
|
vertices.clear();
|
|
}
|
|
|
|
void Surface::load(BinaryFileReader* pReader)
|
|
{
|
|
flags = pReader->readLong();
|
|
textureName = pReader->readString();
|
|
|
|
lightMapId = pReader->readLong();
|
|
pReader->readVec2f(&uvOffset);
|
|
pReader->readVec2f(&uvScale);
|
|
uvRotation = pReader->readFloat();
|
|
s32 vtxCount = pReader->readLong();
|
|
s32 triCount = pReader->readLong();
|
|
s32 lineCount = pReader->readLong();
|
|
|
|
for(s32 v = 0; v < vtxCount; v++)
|
|
{
|
|
Vertex *vtx = new Vertex();
|
|
vtx->load(pReader);
|
|
vertices.push_back(vtx);
|
|
}
|
|
|
|
for(s32 t = 0; t < triCount; t++)
|
|
{
|
|
Triangle tri;
|
|
pReader->readBuffer(&tri, sizeof(tri));
|
|
triangles.push_back(tri);
|
|
}
|
|
|
|
for(s32 l = 0; l < lineCount; l++)
|
|
{
|
|
Line line;
|
|
pReader->readBuffer(&line,sizeof(line));
|
|
lines.push_back(line);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void Vertex::clear()
|
|
{
|
|
position.set(0,0,0);
|
|
normal.set(0,0,0);
|
|
color.clear();
|
|
texCoords.set(0,0,0);
|
|
lmapCoords.set(0,0,0);
|
|
}
|
|
|
|
void Vertex::load(BinaryFileReader* pReader)
|
|
{
|
|
pReader->readVec3f(&position);
|
|
pReader->readVec3f(&normal);
|
|
pReader->readColorRGB(&color);
|
|
pReader->readVec3f(&texCoords);
|
|
pReader->readVec3f(&lmapCoords);
|
|
}
|
|
|
|
void Entity::clear()
|
|
{
|
|
visgroupId = groupId = 0;
|
|
props = "";
|
|
position.set(0,0,0);
|
|
}
|
|
|
|
void Entity::load(BinaryFileReader* pReader)
|
|
{
|
|
visgroupId = pReader->readLong();
|
|
groupId = pReader->readLong();
|
|
props = pReader->readString();
|
|
pReader->readVec3f(&position);
|
|
}
|
|
|
|
void CameraData::clear()
|
|
{
|
|
position.set(0,0,0);
|
|
pitch = 0;
|
|
yaw = 0;
|
|
}
|
|
|
|
void CameraData::load(BinaryFileReader* pReader)
|
|
{
|
|
pReader->readVec3f(&position);
|
|
pitch = pReader->readFloat();
|
|
yaw = pReader->readFloat();
|
|
}
|
|
|
|
void CSMFile::clear()
|
|
{
|
|
header.clear();
|
|
cameraData.clear();
|
|
|
|
u32 x =0;
|
|
for( x= 0; x < groups.size(); x++)
|
|
delete groups[x];
|
|
|
|
groups.clear();
|
|
|
|
for(x= 0; x < visgroups.size(); x++)
|
|
delete visgroups[x];
|
|
|
|
visgroups.clear();
|
|
|
|
for(x= 0; x < lightmaps.size(); x++)
|
|
delete lightmaps[x];
|
|
|
|
lightmaps.clear();
|
|
|
|
for(x= 0; x < meshes.size(); x++)
|
|
delete meshes[x];
|
|
|
|
meshes.clear();
|
|
|
|
for(x= 0; x < entities.size(); x++)
|
|
delete entities[x];
|
|
|
|
entities.clear();
|
|
}
|
|
|
|
void CSMFile::load(BinaryFileReader* pReader)
|
|
{
|
|
clear();
|
|
|
|
header.load(pReader);
|
|
|
|
//groups
|
|
{
|
|
s32 count = pReader->readLong();
|
|
|
|
for (s32 i = 0; i < count; i++)
|
|
{
|
|
Group* grp = new Group();
|
|
grp->load(pReader);
|
|
groups.push_back(grp);
|
|
}
|
|
}
|
|
bool bHasVGroups = (header.getVersion() == Header::VERSION_4_1);
|
|
|
|
if (bHasVGroups)
|
|
{
|
|
//visgroups
|
|
s32 count = pReader->readLong();
|
|
|
|
for (s32 i = 0; i < count; i++)
|
|
{
|
|
VisGroup* grp = new VisGroup();
|
|
grp->load(pReader);
|
|
visgroups.push_back(grp);
|
|
}
|
|
}
|
|
|
|
//lightmaps
|
|
{
|
|
s32 count = pReader->readLong();
|
|
|
|
for(s32 i = 0; i < count; i++)
|
|
{
|
|
LightMap* grp = new LightMap();
|
|
grp->load(pReader);
|
|
lightmaps.push_back(grp);
|
|
}
|
|
}
|
|
|
|
//meshes
|
|
{
|
|
s32 count = pReader->readLong();
|
|
|
|
for(s32 i = 0; i < count; i++)
|
|
{
|
|
Mesh* grp = new Mesh();
|
|
grp->load(pReader,bHasVGroups);
|
|
meshes.push_back(grp);
|
|
}
|
|
}
|
|
|
|
//entities
|
|
{
|
|
s32 count = pReader->readLong();
|
|
|
|
for(s32 i = 0; i < count; i++)
|
|
{
|
|
Entity* grp = new Entity();
|
|
grp->load(pReader);
|
|
entities.push_back(grp);
|
|
}
|
|
}
|
|
|
|
//camera data
|
|
cameraData.load(pReader);
|
|
|
|
|
|
}
|
|
|
|
BinaryFileReader::BinaryFileReader(io::IReadFile* pFile,
|
|
bool closeWhenDone)
|
|
: file(pFile), autoClose(closeWhenDone)
|
|
{
|
|
}
|
|
|
|
BinaryFileReader::~BinaryFileReader()
|
|
{
|
|
if(autoClose && file)
|
|
{
|
|
file->drop();
|
|
file = 0;
|
|
|
|
}
|
|
}
|
|
|
|
s32 BinaryFileReader::readBuffer(void* buffer, s32 len)
|
|
{
|
|
return file->read(buffer,len);
|
|
|
|
}
|
|
|
|
s32 BinaryFileReader::readLong()
|
|
{
|
|
int ret = 0;
|
|
readBuffer(&ret,sizeof(int));
|
|
return (s32)ret;
|
|
}
|
|
|
|
f32 BinaryFileReader::readFloat()
|
|
{
|
|
float ret = 0;
|
|
readBuffer(&ret,sizeof(float));
|
|
return (f32)ret;
|
|
}
|
|
|
|
u8 BinaryFileReader::readByte()
|
|
{
|
|
char ret = 0;
|
|
readBuffer(&ret,sizeof(char));
|
|
return (u8)ret;
|
|
}
|
|
|
|
core::stringc BinaryFileReader::readString()
|
|
{
|
|
core::stringc str = "";
|
|
c8 c = (c8)readByte();
|
|
while(c != 0)
|
|
{
|
|
str += c;
|
|
c = (c8)readByte();
|
|
}
|
|
return str;
|
|
}
|
|
|
|
void BinaryFileReader::readVec3f(core::vector3df* v)
|
|
{
|
|
v->X = readFloat();
|
|
v->Y = readFloat();
|
|
v->Z = readFloat();
|
|
}
|
|
|
|
void BinaryFileReader::readVec2f(core::vector2df* v)
|
|
{
|
|
v->X = readFloat();
|
|
v->Y = readFloat();
|
|
}
|
|
|
|
void BinaryFileReader::readColorRGB(color_rgb_t* color)
|
|
{
|
|
readBuffer(color,sizeof(color_rgb_t));
|
|
}
|
|
|
|
} // end namespace
|
|
} // end namespace
|
|
|
|
#endif // _IRR_COMPILE_WITH_CSM_LOADER_
|