[2795] | 1 | #include "ResourceManager.h"
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[2755] | 2 | #include "Matrix4x4.h"
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| 3 | #include "Geometry.h"
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[2756] | 4 | #include "SceneEntity.h"
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[2755] | 5 | #include "Material.h"
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[2756] | 6 | #include "Texture.h"
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[2795] | 7 | #include "gzstream.h"
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[2823] | 8 | #include "Vector3.h"
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[2840] | 9 | #include "Transform3.h"
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[2842] | 10 | #include "Shape.h"
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[2844] | 11 | #include "LODInfo.h"
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[3034] | 12 | #include "RenderState.h"
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| 13 | #include "ShaderProgram.h"
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[3057] | 14 | #include "ShaderManager.h"
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[2747] | 15 |
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| 16 |
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[3021] | 17 | #ifdef _CRT_SET
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| 18 | #define _CRTDBG_MAP_ALLOC
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| 19 | #include <stdlib.h>
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| 20 | #include <crtdbg.h>
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| 21 |
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| 22 | // redefine new operator
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| 23 | #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
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| 24 | #define new DEBUG_NEW
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| 25 | #endif
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| 26 |
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| 27 |
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[2747] | 28 | using namespace std;
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| 29 |
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| 30 |
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[2776] | 31 | namespace CHCDemoEngine
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[2755] | 32 | {
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[2747] | 33 |
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[3038] | 34 |
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[3037] | 35 | // only instance of the resource manager
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| 36 | ResourceManager *ResourceManager::sResourceManager = NULL;
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[2755] | 37 |
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[3038] | 38 |
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| 39 | ResourceManager::ResourceManager()
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| 40 | {
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[3127] | 41 | mUseNormalMapping = false;
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[3038] | 42 | }
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| 43 |
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| 44 |
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[2795] | 45 | ResourceManager::~ResourceManager()
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[2781] | 46 | {
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[2795] | 47 | // delete all resources.
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| 48 | CLEAR_CONTAINER(mSceneEntities);
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| 49 | CLEAR_CONTAINER(mGeometry);
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| 50 | CLEAR_CONTAINER(mMaterials);
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| 51 | CLEAR_CONTAINER(mTextures);
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| 52 | CLEAR_CONTAINER(mTrafos);
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[2842] | 53 | CLEAR_CONTAINER(mShapes);
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[2781] | 54 | }
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| 55 |
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[2795] | 56 |
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[3052] | 57 | void ResourceManager::DelSingleton()
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| 58 | {
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| 59 | DEL_PTR(sResourceManager);
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| 60 | }
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| 61 |
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| 62 |
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[2795] | 63 | SceneEntity *ResourceManager::LoadSceneEntity(igzstream &str)
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[2747] | 64 | {
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[2764] | 65 | bool hasTrafo;
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| 66 | str.read(reinterpret_cast<char *>(&hasTrafo), sizeof(bool));
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| 67 |
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[2823] | 68 | SceneEntity *sceneGeom;
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[2957] | 69 | Transform3 *trafo;
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[2823] | 70 |
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[2764] | 71 | if (!hasTrafo)
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[3128] | 72 | {
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| 73 | trafo = new Transform3(); // identity
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[2764] | 74 | }
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| 75 | else
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| 76 | {
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[2957] | 77 | Matrix4x4 m;
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| 78 | str.read(reinterpret_cast<char *>(m.x), sizeof(Matrix4x4));
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| 79 | trafo = new Transform3(m);
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[2764] | 80 | }
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| 81 |
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[2840] | 82 | mTrafos.push_back(trafo);
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[2844] | 83 |
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[2839] | 84 | sceneGeom = new SceneEntity(trafo);
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[2825] | 85 |
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[2852] | 86 |
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[2844] | 87 | ///////////////
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[3048] | 88 | //-- load LOD levels
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[2842] | 89 |
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[2853] | 90 | // note: lods must be ordered from smallest distance to largest
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[2844] | 91 | int numLODs;
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| 92 | str.read(reinterpret_cast<char *>(&numLODs), sizeof(int));
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[2842] | 93 |
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[2844] | 94 | for (int i = 0; i < numLODs; ++ i)
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| 95 | {
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[3048] | 96 | // the distance until the next LOD level is used
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[2853] | 97 | float dist;
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| 98 | str.read(reinterpret_cast<char *>(&dist), sizeof(float));
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[2844] | 99 |
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| 100 | int numShapes;
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| 101 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 102 |
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[3070] | 103 | //LODLevel *lodLevel = new LODLevel(dist);
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| 104 | LODLevel lodLevel(dist);
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[2844] | 105 |
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| 106 | for (int j = 0; j < numShapes; ++ j)
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| 107 | {
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| 108 | int shapeId;
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| 109 | str.read(reinterpret_cast<char *>(&shapeId), sizeof(int));
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| 110 |
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| 111 | Geometry *geom = mGeometryTable[shapeId];
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| 112 | Material *mat = mMaterialTable[shapeId];
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| 113 |
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| 114 | // create shape
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[3071] | 115 | Shape *shape = new Shape(geom, mat);
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[3041] | 116 |
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[2844] | 117 | mShapes.push_back(shape);
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| 118 |
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| 119 | sceneGeom->AddShape(shape);
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[3070] | 120 | lodLevel.AddShape(shape);
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[2844] | 121 | }
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| 122 |
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[3070] | 123 | //mLODs.push_back(lodLevel);
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[2844] | 124 | sceneGeom->AddLODLevel(lodLevel);
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| 125 | }
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| 126 |
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[3057] | 127 |
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[3113] | 128 | static ShaderProgram *sTreeAnimationProgram =
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| 129 | ShaderManager::GetSingleton()->GetShaderProgram("treeAnimation");
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| 130 | static ShaderProgram *sTreeAnimationProgramMrt =
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| 131 | ShaderManager::GetSingleton()->GetShaderProgram("treeAnimationMrt");
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| 132 |
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| 133 |
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[3041] | 134 | ///////////
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[3047] | 135 | //-- hack: add tree animation (should be done per material script!)
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[3041] | 136 |
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[3050] | 137 | if (numLODs > 1)
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[3041] | 138 | {
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[3047] | 139 | ShapeContainer::iterator sstart, send;
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| 140 |
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| 141 | // only use shader for the first two lod levels (the non-billboards)
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| 142 | for (int i = 0; i < min(numLODs, 2); ++ i)
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| 143 | //for (int i = 0; i < numLODs; ++ i)
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[3041] | 144 | {
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| 145 | sceneGeom->GetLODLevel(i, sstart, send);
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| 146 |
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| 147 | for (ShapeContainer::iterator it = sstart; it != send; ++ it)
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| 148 | {
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| 149 | Shape *shape = *it;
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[3045] | 150 |
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[3041] | 151 | Material *mat = shape->GetMaterial();
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| 152 |
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[3045] | 153 | // add the vertex animation program
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[3050] | 154 | for (int i = 0; i < 3; ++ i)
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[3045] | 155 | {
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| 156 | Technique *tech = mat->GetTechnique(i);
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[3041] | 157 |
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[3045] | 158 | GPUProgramParameters *vtxParams = tech->GetVertexProgramParameters();
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[3041] | 159 |
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[3046] | 160 | if (i == 0)
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| 161 | {
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| 162 | tech->SetVertexProgram(sTreeAnimationProgram);
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| 163 | vtxParams->SetLightDirParam(5);
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| 164 | }
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| 165 | else
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| 166 | {
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| 167 | tech->SetVertexProgram(sTreeAnimationProgramMrt);
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[3115] | 168 | vtxParams->SetOldTimerParam(5);
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[3046] | 169 | }
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| 170 |
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| 171 | /// use a timer to simulate the moving of the tree in the wind
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[3045] | 172 | vtxParams->SetTimerParam(0);
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[3113] | 173 |
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[3045] | 174 | // wind direction
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| 175 | static Vector3 windDir = Normalize(Vector3(0.8f, 0.2f, 0.0f));
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| 176 | vtxParams->SetValue3f(1, windDir.x, windDir.y, windDir.z);
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| 177 | // amplitude
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| 178 | vtxParams->SetValue1f(2, 0.3f);
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| 179 |
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| 180 | AxisAlignedBox3 box = sceneGeom->GetBoundingBox();
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| 181 | vtxParams->SetValue2f(3, box.Min().z, box.Max().z);
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| 182 | // frequency
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| 183 | vtxParams->SetValue1f(4, 0.1f);
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| 184 | }
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[3041] | 185 | }
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| 186 | }
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| 187 | }
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| 188 |
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[2755] | 189 | return sceneGeom;
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[2747] | 190 | }
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| 191 |
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| 192 |
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[2795] | 193 | void ResourceManager::LoadTextures(igzstream &str)
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[2757] | 194 | {
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| 195 | int numTextures;
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| 196 | str.read(reinterpret_cast<char *>(&numTextures), sizeof(int));
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[2961] | 197 |
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[2757] | 198 | for (int i = 0; i < numTextures; ++ i)
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| 199 | {
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[2961] | 200 | // load texture name
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[2757] | 201 | int texnameSize;
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| 202 | str.read(reinterpret_cast<char *>(&texnameSize), sizeof(int));
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| 203 |
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| 204 | char *texname = new char[texnameSize];
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| 205 | str.read(texname, sizeof(char) * texnameSize);
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| 206 |
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[2784] | 207 | Texture *tex = new Texture(model_path + texname);
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[2757] | 208 |
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[2846] | 209 | int boundS, boundT;
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| 210 |
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| 211 | str.read(reinterpret_cast<char *>(&boundS), sizeof(int));
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| 212 | str.read(reinterpret_cast<char *>(&boundT), sizeof(int));
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| 213 |
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| 214 | tex->SetBoundaryModeS(boundS);
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| 215 | tex->SetBoundaryModeT(boundT);
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| 216 |
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| 217 | tex->Create();
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| 218 |
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[2764] | 219 | mTextureTable[i] = tex;
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[2795] | 220 | mTextures.push_back(tex);
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[3021] | 221 |
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| 222 | delete [] texname;
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[2757] | 223 | }
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[2764] | 224 |
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[2800] | 225 | cout << "loaded " << (int)mTextureTable.size() << " textures" << endl;
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[2757] | 226 | }
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| 227 |
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| 228 |
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[2795] | 229 | void ResourceManager::LoadShapes(igzstream &str)
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[2764] | 230 | {
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| 231 | int numShapes;
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| 232 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 233 |
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| 234 | for (int i = 0; i < numShapes; ++ i)
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| 235 | {
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| 236 | Geometry *geom = LoadGeometry(str);
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| 237 | Material *mat = LoadMaterial(str);
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| 238 |
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| 239 | mGeometryTable[i] = geom;
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[2842] | 240 | mMaterialTable[i] = mat;
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[2795] | 241 |
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| 242 | mGeometry.push_back(geom);
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| 243 | mMaterials.push_back(mat);
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[2764] | 244 | }
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| 245 |
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[2800] | 246 | cout << "loaded " << (int)mGeometryTable.size() << " shapes" << endl;
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[2764] | 247 | }
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| 248 |
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| 249 |
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[2795] | 250 | Material *ResourceManager::LoadMaterial(igzstream &str)
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[2747] | 251 | {
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[2756] | 252 | // default material
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[2755] | 253 | Material *mat = new Material();
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[2756] | 254 |
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[3042] | 255 | // set default fragment + vertex programs
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| 256 | Technique *tech = mat->GetDefaultTechnique();
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| 257 |
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[2747] | 258 | // texture
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[2757] | 259 | int texId;
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| 260 | str.read(reinterpret_cast<char *>(&texId), sizeof(int));
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[2747] | 261 |
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[2982] | 262 | if (texId >= 0)
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[3042] | 263 | tech->SetTexture(mTextureTable[texId]);
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[2764] | 264 |
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[3042] | 265 | str.read(reinterpret_cast<char *>(&tech->mAlphaTestEnabled), sizeof(bool));
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| 266 | str.read(reinterpret_cast<char *>(&tech->mCullFaceEnabled), sizeof(bool));
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[2844] | 267 |
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[3034] | 268 | // gl material
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| 269 | bool hasGlMaterial;
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| 270 | str.read(reinterpret_cast<char *>(&hasGlMaterial), sizeof(bool));
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[3042] | 271 |
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[3034] | 272 | if (hasGlMaterial)
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[2747] | 273 | {
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[2769] | 274 | // only write rgb part of the material
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[3042] | 275 | str.read(reinterpret_cast<char *>(&tech->mAmbientColor), sizeof(Vector3));
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| 276 | str.read(reinterpret_cast<char *>(&tech->mDiffuseColor), sizeof(Vector3));
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| 277 | str.read(reinterpret_cast<char *>(&tech->mEmmisiveColor), sizeof(Vector3));
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| 278 | str.read(reinterpret_cast<char *>(&tech->mSpecularColor), sizeof(Vector3));
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[2747] | 279 | }
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| 280 |
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[3045] | 281 |
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| 282 | ///////////////
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| 283 | //-- add technique for deferred shading
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| 284 |
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[3057] | 285 | static ShaderProgram *sDefaultFragmentProgramMrt = ShaderManager::GetSingleton()->GetShaderProgram("defaultFragmentMrt");
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| 286 | static ShaderProgram *sDefaultFragmentTexProgramMrt = ShaderManager::GetSingleton()->GetShaderProgram("defaultFragmentTexMrt");
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| 287 | static ShaderProgram *sDefaultVertexProgramMrt = ShaderManager::GetSingleton()->GetShaderProgram("defaultVertexMrt");
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| 288 |
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[3128] | 289 | //static ShaderProgram *sNormalMappingVertexProgramMrt = ShaderManager::GetSingleton()->GetShaderProgram("normalMappingVertexMrt");
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| 290 | //static ShaderProgram *sNormalMappingFragmentProgramMrt = ShaderManager::GetSingleton()->GetShaderProgram("normalMappingFragmentMrt");
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[3127] | 291 |
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[3128] | 292 |
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[3045] | 293 | Technique *deferred = new Technique(*tech);
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| 294 |
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| 295 | if (deferred->GetTexture())
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[3057] | 296 | deferred->SetFragmentProgram(sDefaultFragmentTexProgramMrt);
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[3034] | 297 | else
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[3058] | 298 | deferred->SetFragmentProgram(sDefaultFragmentProgramMrt);
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[3034] | 299 |
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[3126] | 300 | deferred->GetFragmentProgramParameters()->SetViewMatrixParam(0);
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| 301 |
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[3057] | 302 | deferred->SetVertexProgram(sDefaultVertexProgramMrt);
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[3113] | 303 |
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[3114] | 304 | deferred->GetVertexProgramParameters()->SetModelMatrixParam(1);
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| 305 | deferred->GetVertexProgramParameters()->SetOldModelMatrixParam(2);
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[3113] | 306 |
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[3050] | 307 | mat->AddTechnique(deferred);
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[3041] | 308 |
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[3048] | 309 |
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| 310 | ///////////
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| 311 | //-- add depth pass
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| 312 |
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| 313 | Technique *depthPass = new Technique(*tech);
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[3114] | 314 |
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[3048] | 315 | depthPass->SetColorWriteEnabled(false);
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| 316 | depthPass->SetLightingEnabled(false);
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| 317 | mat->AddTechnique(depthPass);
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[3045] | 318 |
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[2755] | 319 | return mat;
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[2747] | 320 | }
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| 321 |
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| 322 |
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[2795] | 323 | Geometry *ResourceManager::LoadGeometry(igzstream &str)
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[2747] | 324 | {
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[2756] | 325 | Vector3 *vertices;
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| 326 | Vector3 *normals;
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[2980] | 327 | Texcoord2 *texcoords;
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[2747] | 328 |
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| 329 |
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[2756] | 330 | //////////////
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| 331 | //-- read in vertices
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[2747] | 332 |
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[2756] | 333 | int vertexCount;
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| 334 | str.read(reinterpret_cast<char *>(&vertexCount), sizeof(int));
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[2747] | 335 |
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| 336 | // end of file reached
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[2961] | 337 | if (str.eof()) return NULL;
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[2747] | 338 |
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[2757] | 339 | //cout << "vertexcount: " << vertexCount << endl;
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[2747] | 340 |
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[2756] | 341 | vertices = new Vector3[vertexCount];
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| 342 | str.read(reinterpret_cast<char *>(vertices), sizeof(Vector3) * vertexCount);
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[2747] | 343 |
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[2756] | 344 | normals = new Vector3[vertexCount];
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| 345 | str.read(reinterpret_cast<char *>(normals), sizeof(Vector3) * vertexCount);
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[2747] | 346 |
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[3127] | 347 | Vector3 *tangents;
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| 348 |
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| 349 | if (mUseNormalMapping)
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| 350 | {
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| 351 | tangents = new Vector3[vertexCount];
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| 352 | str.read(reinterpret_cast<char *>(tangents), sizeof(Vector3) * vertexCount);
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| 353 | }
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| 354 | else
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| 355 | {
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| 356 | tangents = NULL;
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| 357 | }
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| 358 |
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[2756] | 359 | int texCoordCount;
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| 360 | str.read(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
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[2747] | 361 |
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[2756] | 362 | if (texCoordCount)
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[2747] | 363 | {
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[2980] | 364 | texcoords = new Texcoord2[texCoordCount];
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| 365 | str.read(reinterpret_cast<char *>(texcoords), sizeof(Texcoord2) * texCoordCount);
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[2747] | 366 | }
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[2756] | 367 | else
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[2811] | 368 | {
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[2756] | 369 | texcoords = NULL;
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[2811] | 370 | }
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[2747] | 371 |
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[3127] | 372 | const bool delGeometry = false;
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| 373 | return new Geometry(vertices, normals, texcoords, vertexCount, delGeometry, tangents);
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[2747] | 374 | }
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| 375 |
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| 376 |
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[3046] | 377 | void ResourceManager::LoadSceneEntities(igzstream &str,
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| 378 | SceneEntityContainer &entities)
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[2747] | 379 | {
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[2764] | 380 | int entityCount;
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| 381 | str.read(reinterpret_cast<char *>(&entityCount), sizeof(int));
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| 382 |
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[2963] | 383 | entities.reserve(entityCount);
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[2764] | 384 |
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| 385 | for (int i = 0; i < entityCount; ++ i)
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| 386 | {
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| 387 | SceneEntity *ent = LoadSceneEntity(str);
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[2842] | 388 |
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[2963] | 389 | // return loaded entities
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| 390 | entities.push_back(ent);
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| 391 | // also store internally
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[2795] | 392 | mSceneEntities.push_back(ent);
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[2764] | 393 | }
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| 394 |
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| 395 | cout << "loaded " << entityCount << " scene entities" << endl;
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| 396 | }
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| 397 |
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| 398 |
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[3046] | 399 | bool ResourceManager::Load(const std::string &filename,
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| 400 | SceneEntityContainer &entities)
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[2764] | 401 | {
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[2795] | 402 | igzstream istr(filename.c_str());
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[2747] | 403 |
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[2756] | 404 | if (!istr.is_open())
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[2747] | 405 | return false;
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| 406 |
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[2764] | 407 | cout << "loading textures" << endl;
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| 408 |
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[2757] | 409 | // load the texture table
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| 410 | LoadTextures(istr);
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| 411 |
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[2764] | 412 | cout << "loading shapes (geometry + materials)" << endl;
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[2747] | 413 |
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[2764] | 414 | // load the shapees
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| 415 | LoadShapes(istr);
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[2762] | 416 |
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[2764] | 417 | cout << "loading scene entites" << endl;
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| 418 | LoadSceneEntities(istr, entities);
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[2763] | 419 |
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[2756] | 420 | cout << "bin loading finished" << endl;
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[2747] | 421 |
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[2795] | 422 | // clean up
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| 423 | mTextureTable.clear();
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| 424 | mGeometryTable.clear();
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| 425 | mMaterialTable.clear();
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| 426 |
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[2756] | 427 | return true;
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[2747] | 428 | }
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| 429 |
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[3070] | 430 |
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| 431 | void ResourceManager::AddSceneEntity(SceneEntity *ent)
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| 432 | {
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| 433 | mSceneEntities.push_back(ent);
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[3036] | 434 | }
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| 435 |
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[3070] | 436 |
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| 437 | Transform3 *ResourceManager::CreateTransform(const Matrix4x4 &m)
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| 438 | {
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| 439 | Transform3 *t = new Transform3(m);
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| 440 |
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| 441 | mTrafos.push_back(t);
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| 442 | return t;
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| 443 | }
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| 444 |
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| 445 | } |
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