[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 "Matrix4x4.h"
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| 9 | #include "Vector3.h"
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[2840] | 10 | #include "Transform3.h"
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[2842] | 11 | #include "Shape.h"
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[2844] | 12 | #include "LODInfo.h"
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[3034] | 13 | #include "RenderState.h"
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| 14 | #include "ShaderProgram.h"
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[3038] | 15 | #include <Cg/cg.h>
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| 16 | #include <Cg/cgGL.h>
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[2747] | 17 |
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| 18 |
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[3021] | 19 | #ifdef _CRT_SET
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| 20 | #define _CRTDBG_MAP_ALLOC
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| 21 | #include <stdlib.h>
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| 22 | #include <crtdbg.h>
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| 23 |
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| 24 | // redefine new operator
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| 25 | #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
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| 26 | #define new DEBUG_NEW
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| 27 | #endif
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| 28 |
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| 29 |
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[2747] | 30 | using namespace std;
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| 31 |
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| 32 |
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[2776] | 33 | namespace CHCDemoEngine
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[2755] | 34 | {
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[2747] | 35 |
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[3038] | 36 |
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| 37 | /////////
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| 38 | //-- cg stuff
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| 39 |
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| 40 | static CGcontext sCgContext = NULL;
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| 41 |
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| 42 | static CGprofile sCgFragmentProfile;
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| 43 | static CGprofile sCgVertexProfile;
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[3041] | 44 | static ShaderProgram *sTreeAnimation;
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[3038] | 45 |
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[3037] | 46 | // only instance of the resource manager
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| 47 | ResourceManager *ResourceManager::sResourceManager = NULL;
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[2755] | 48 |
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[3038] | 49 |
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| 50 | static void cgErrorCallback()
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| 51 | {
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| 52 | CGerror lastError = cgGetError();
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| 53 |
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| 54 | if(lastError)
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| 55 | {
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| 56 | printf("%s\n\n", cgGetErrorString(lastError));
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| 57 | printf("%s\n", cgGetLastListing(sCgContext));
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| 58 |
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| 59 | printf("Cg error, exiting...\n");
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| 60 |
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| 61 | exit(0);
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| 62 | }
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| 63 | }
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| 64 |
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| 65 |
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| 66 | ResourceManager::ResourceManager()
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| 67 | {
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| 68 | InitCg();
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| 69 | }
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| 70 |
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| 71 |
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[2795] | 72 | ResourceManager::~ResourceManager()
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[2781] | 73 | {
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[2795] | 74 | // delete all resources.
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| 75 | CLEAR_CONTAINER(mSceneEntities);
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| 76 | CLEAR_CONTAINER(mGeometry);
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| 77 | CLEAR_CONTAINER(mMaterials);
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| 78 | CLEAR_CONTAINER(mTextures);
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| 79 | CLEAR_CONTAINER(mTrafos);
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[2842] | 80 | CLEAR_CONTAINER(mShapes);
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[3019] | 81 | CLEAR_CONTAINER(mLODs);
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[3036] | 82 | CLEAR_CONTAINER(mGPUParameters);
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[3037] | 83 | CLEAR_CONTAINER(mShaders);
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[3038] | 84 |
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| 85 | if (sCgContext)
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| 86 | cgDestroyContext(sCgContext);
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[2781] | 87 | }
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| 88 |
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[2795] | 89 |
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| 90 | SceneEntity *ResourceManager::LoadSceneEntity(igzstream &str)
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[2747] | 91 | {
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[2764] | 92 | bool hasTrafo;
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| 93 | str.read(reinterpret_cast<char *>(&hasTrafo), sizeof(bool));
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| 94 |
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[2823] | 95 | SceneEntity *sceneGeom;
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[2957] | 96 | Transform3 *trafo;
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[2823] | 97 |
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[2764] | 98 | if (!hasTrafo)
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| 99 | {
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[2961] | 100 | // identity
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[2957] | 101 | trafo = new Transform3();
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[2764] | 102 | }
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| 103 | else
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| 104 | {
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[2957] | 105 | Matrix4x4 m;
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| 106 | str.read(reinterpret_cast<char *>(m.x), sizeof(Matrix4x4));
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| 107 |
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| 108 | trafo = new Transform3(m);
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[2764] | 109 | }
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| 110 |
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[2840] | 111 | mTrafos.push_back(trafo);
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[2844] | 112 |
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[2839] | 113 | sceneGeom = new SceneEntity(trafo);
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[2825] | 114 |
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[2852] | 115 |
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[2844] | 116 | ///////////////
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| 117 | //-- load lod levels
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[2842] | 118 |
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[2853] | 119 | // note: lods must be ordered from smallest distance to largest
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[2844] | 120 | int numLODs;
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| 121 | str.read(reinterpret_cast<char *>(&numLODs), sizeof(int));
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[2842] | 122 |
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[2844] | 123 | for (int i = 0; i < numLODs; ++ i)
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| 124 | {
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[2853] | 125 | float dist;
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| 126 | str.read(reinterpret_cast<char *>(&dist), sizeof(float));
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[2844] | 127 |
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| 128 | int numShapes;
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| 129 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 130 |
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[2853] | 131 | LODLevel *lodLevel = new LODLevel(dist);
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[2844] | 132 |
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| 133 | for (int j = 0; j < numShapes; ++ j)
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| 134 | {
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| 135 | int shapeId;
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| 136 | str.read(reinterpret_cast<char *>(&shapeId), sizeof(int));
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| 137 |
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| 138 | Geometry *geom = mGeometryTable[shapeId];
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| 139 | Material *mat = mMaterialTable[shapeId];
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| 140 |
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| 141 | // create shape
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| 142 | Shape *shape = new Shape(geom, mat, sceneGeom);
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[3041] | 143 |
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[2844] | 144 | mShapes.push_back(shape);
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| 145 |
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| 146 | sceneGeom->AddShape(shape);
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[2848] | 147 | lodLevel->AddShape(shape);
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[2844] | 148 | }
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| 149 |
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[3019] | 150 | mLODs.push_back(lodLevel);
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[2844] | 151 | sceneGeom->AddLODLevel(lodLevel);
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| 152 | }
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| 153 |
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[3041] | 154 | ///////////
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| 155 | //-- hack: tree animation
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| 156 |
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| 157 | if (numLODs > 1)
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| 158 | {
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| 159 | for (int i = 0; i < min(numLODs, 2); ++ i)
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| 160 | {
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| 161 | ShapeContainer::iterator sstart, send;
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| 162 | sceneGeom->GetLODLevel(i, sstart, send);
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| 163 |
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| 164 | for (ShapeContainer::iterator it = sstart; it != send; ++ it)
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| 165 | {
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| 166 | Shape *shape = *it;
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| 167 | Material *mat = shape->GetMaterial();
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[3042] | 168 | Technique *tech = mat->GetDefaultTechnique();
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| 169 |
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| 170 | tech->SetVertexProgram(sTreeAnimation);
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[3041] | 171 |
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[3042] | 172 | GPUProgramParameters *vtxParams = tech->GetVertexProgramParameters();
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[3041] | 173 |
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| 174 | vtxParams->SetTimerParam(0);
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| 175 | // wind direction
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| 176 | static Vector3 windDir = Normalize(Vector3(0.8f, 0.2f, 0.0f));
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| 177 | vtxParams->SetValue3f(1, windDir.x, windDir.y, windDir.z);
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| 178 | // amplitude
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| 179 | vtxParams->SetValue1f(2, 0.3f);
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| 180 |
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| 181 | AxisAlignedBox3 box = sceneGeom->GetBoundingBox();
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| 182 | vtxParams->SetValue2f(3, box.Min().z, box.Max().z);
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| 183 | // frequency
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| 184 | vtxParams->SetValue1f(4, 0.1f);
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| 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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[3042] | 281 | if (tech->GetTexture())
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[3034] | 282 | {
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[3042] | 283 | tech->mFragmentProgram = mMrtDefaultFragmentTexProgram;
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[3034] | 284 |
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[3042] | 285 | tech->mGPUFragmentParameters = CreateGPUProgramParameters(tech->mFragmentProgram);
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| 286 | tech->mGPUFragmentParameters->SetTexture(0, tech->GetTexture()->GetId());
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[3034] | 287 | }
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| 288 | else
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| 289 | {
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[3042] | 290 | tech->mFragmentProgram = mMrtDefaultFragmentProgram;
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| 291 | tech->mGPUFragmentParameters = CreateGPUProgramParameters(tech->mFragmentProgram);
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[3034] | 292 | }
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| 293 |
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[3042] | 294 | tech->mVertexProgram = mMrtDefaultVertexProgram;
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| 295 | tech->mGPUVertexParameters = CreateGPUProgramParameters(tech->mVertexProgram);
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[3041] | 296 |
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[2755] | 297 | return mat;
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[2747] | 298 | }
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| 299 |
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| 300 |
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[2795] | 301 | Geometry *ResourceManager::LoadGeometry(igzstream &str)
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[2747] | 302 | {
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[2756] | 303 | Vector3 *vertices;
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| 304 | Vector3 *normals;
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[2980] | 305 | Texcoord2 *texcoords;
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[2747] | 306 |
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| 307 |
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[2756] | 308 | //////////////
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| 309 | //-- read in vertices
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[2747] | 310 |
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[2756] | 311 | int vertexCount;
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| 312 | str.read(reinterpret_cast<char *>(&vertexCount), sizeof(int));
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[2747] | 313 |
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| 314 | // end of file reached
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[2961] | 315 | if (str.eof()) return NULL;
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[2747] | 316 |
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[2757] | 317 | //cout << "vertexcount: " << vertexCount << endl;
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[2747] | 318 |
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[2756] | 319 | vertices = new Vector3[vertexCount];
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| 320 | str.read(reinterpret_cast<char *>(vertices), sizeof(Vector3) * vertexCount);
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[2747] | 321 |
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[2756] | 322 | normals = new Vector3[vertexCount];
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| 323 | str.read(reinterpret_cast<char *>(normals), sizeof(Vector3) * vertexCount);
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[2747] | 324 |
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[2756] | 325 | int texCoordCount;
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| 326 | str.read(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
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[2747] | 327 |
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[2756] | 328 | if (texCoordCount)
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[2747] | 329 | {
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[2980] | 330 | texcoords = new Texcoord2[texCoordCount];
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| 331 | str.read(reinterpret_cast<char *>(texcoords), sizeof(Texcoord2) * texCoordCount);
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[2747] | 332 | }
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[2756] | 333 | else
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[2811] | 334 | {
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[2756] | 335 | texcoords = NULL;
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[2811] | 336 | }
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[2747] | 337 |
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[2982] | 338 | return new Geometry(vertices, normals, texcoords, vertexCount, true);
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| 339 | //return new Geometry(vertices, normals, texcoords, vertexCount, false);
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[2747] | 340 | }
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| 341 |
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| 342 |
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[2795] | 343 | void ResourceManager::LoadSceneEntities(igzstream &str, SceneEntityContainer &entities)
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[2747] | 344 | {
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[2764] | 345 | int entityCount;
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| 346 | str.read(reinterpret_cast<char *>(&entityCount), sizeof(int));
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| 347 |
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[2963] | 348 | entities.reserve(entityCount);
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[2764] | 349 |
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| 350 | for (int i = 0; i < entityCount; ++ i)
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| 351 | {
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| 352 | SceneEntity *ent = LoadSceneEntity(str);
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[2842] | 353 |
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[2963] | 354 | // return loaded entities
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| 355 | entities.push_back(ent);
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| 356 | // also store internally
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[2795] | 357 | mSceneEntities.push_back(ent);
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[2764] | 358 | }
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| 359 |
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| 360 | cout << "loaded " << entityCount << " scene entities" << endl;
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| 361 | }
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| 362 |
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| 363 |
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[2795] | 364 | bool ResourceManager::Load(const std::string &filename, SceneEntityContainer &entities)
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[2764] | 365 | {
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[2795] | 366 | igzstream istr(filename.c_str());
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[2747] | 367 |
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[2756] | 368 | if (!istr.is_open())
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[2747] | 369 | return false;
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| 370 |
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[2764] | 371 | cout << "loading textures" << endl;
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| 372 |
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[2757] | 373 | // load the texture table
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| 374 | LoadTextures(istr);
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| 375 |
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[2764] | 376 | cout << "loading shapes (geometry + materials)" << endl;
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[2747] | 377 |
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[2764] | 378 | // load the shapees
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| 379 | LoadShapes(istr);
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[2762] | 380 |
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[2764] | 381 | cout << "loading scene entites" << endl;
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| 382 | LoadSceneEntities(istr, entities);
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[2763] | 383 |
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[2756] | 384 | cout << "bin loading finished" << endl;
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[2747] | 385 |
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[2795] | 386 | // clean up
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| 387 | mTextureTable.clear();
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| 388 | mGeometryTable.clear();
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| 389 | mMaterialTable.clear();
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| 390 |
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[2756] | 391 | return true;
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[2747] | 392 | }
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| 393 |
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[3036] | 394 |
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| 395 | GPUProgramParameters *ResourceManager::CreateGPUProgramParameters(ShaderProgram *p)
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| 396 | {
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| 397 | GPUProgramParameters *gpuParams = new GPUProgramParameters(p);
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| 398 | mGPUParameters.push_back(gpuParams);
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| 399 |
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| 400 | return gpuParams;
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[2747] | 401 | }
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[3036] | 402 |
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[3037] | 403 |
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[3038] | 404 | ShaderProgram *ResourceManager::CreateFragmentProgram(const std::string &filename, const std::string &funcName)
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[3037] | 405 | {
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[3038] | 406 | const string fullName = "src/shaders/" + filename + ".cg";
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| 407 |
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| 408 | ShaderProgram *p = new ShaderProgram(sCgContext, fullName, sCgFragmentProfile, funcName);
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| 409 |
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| 410 | mShaders.push_back(p);
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| 411 |
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| 412 | if (!p->IsValid())
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| 413 | {
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| 414 | DEL_PTR(p);
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| 415 | cerr << "Program " << funcName << " in " << fullName << " failed to load" << endl;
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| 416 | }
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| 417 |
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| 418 | cout << "Program " << funcName << " in " << fullName << " loaded" << endl;
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| 419 |
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[3037] | 420 | return p;
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[3036] | 421 | }
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| 422 |
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[3038] | 423 |
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| 424 | ShaderProgram *ResourceManager::CreateVertexProgram(const std::string &filename, const std::string &funcName)
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| 425 | {
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| 426 | const string fullName = "src/shaders/" + filename + ".cg";
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| 427 |
|
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| 428 | ShaderProgram *p = new ShaderProgram(sCgContext, fullName, sCgVertexProfile, funcName);
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| 429 | mShaders.push_back(p);
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| 430 |
|
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| 431 | if (!p->IsValid())
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| 432 | {
|
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| 433 | DEL_PTR(p);
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| 434 | cerr << "Program " << funcName << " in " << fullName << " failed to load" << endl;
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| 435 | }
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| 436 |
|
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| 437 | cout << "Program " << funcName << " in " << fullName << " loaded" << endl;
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| 438 |
|
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| 439 | return p;
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[3037] | 440 | }
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| 441 |
|
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[3038] | 442 |
|
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| 443 | void ResourceManager::InitCg()
|
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| 444 | {
|
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| 445 | // setup cg
|
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| 446 | cgSetErrorCallback(cgErrorCallback);
|
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| 447 | // create context.
|
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| 448 | sCgContext = cgCreateContext();
|
---|
| 449 | // get the optimal fragment profile
|
---|
| 450 | sCgFragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
|
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| 451 | cgGLSetOptimalOptions(sCgFragmentProfile);
|
---|
| 452 | // get the optimal vertex profile
|
---|
| 453 | sCgVertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
|
---|
| 454 | cgGLSetOptimalOptions(sCgVertexProfile);
|
---|
| 455 |
|
---|
| 456 | // set textures to auto load
|
---|
| 457 | cgGLSetManageTextureParameters(sCgContext, false);
|
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| 458 |
|
---|
| 459 | mMrtDefaultVertexProgram = CreateVertexProgram("mrt", "vtx");
|
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[3039] | 460 | mMrtDefaultFragmentProgram = CreateFragmentProgram("mrt", "frag");
|
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[3038] | 461 | mMrtDefaultFragmentTexProgram = CreateFragmentProgram("mrt", "fragtex");
|
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| 462 | mMrtDefaultFragmentTexProgram->AddParameter("tex", 0);
|
---|
| 463 |
|
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[3041] | 464 | sTreeAnimation = CreateVertexProgram("treeanimation", "animateVtx");
|
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| 465 |
|
---|
| 466 | sTreeAnimation->AddParameter("timer", 0);
|
---|
| 467 | sTreeAnimation->AddParameter("windDir", 1);
|
---|
| 468 | sTreeAnimation->AddParameter("windStrength", 2);
|
---|
| 469 | sTreeAnimation->AddParameter("minMaxPos", 3);
|
---|
| 470 | sTreeAnimation->AddParameter("frequency", 4);
|
---|
| 471 |
|
---|
[3038] | 472 | cout << "cg initialization successful" << endl;
|
---|
| 473 | }
|
---|
| 474 |
|
---|
| 475 |
|
---|
| 476 | void ResourceManager::EnableFragmentProfile()
|
---|
| 477 | {
|
---|
| 478 | cgGLEnableProfile(sCgFragmentProfile);
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 |
|
---|
| 482 | void ResourceManager::EnableVertexProfile()
|
---|
| 483 | {
|
---|
| 484 | cgGLEnableProfile(sCgVertexProfile);
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 |
|
---|
| 488 | void ResourceManager::DisableFragmentProfile()
|
---|
| 489 | {
|
---|
| 490 | cgGLDisableProfile(sCgFragmentProfile);
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 |
|
---|
| 494 | void ResourceManager::DisableVertexProfile()
|
---|
| 495 | {
|
---|
| 496 | cgGLDisableProfile(sCgVertexProfile);
|
---|
| 497 |
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 |
|
---|
| 501 | }
|
---|
| 502 |
|
---|