[2767] | 1 | #include "RenderQueue.h"
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| 2 | #include "SceneEntity.h"
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| 3 | #include "Geometry.h"
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| 4 | #include "Texture.h"
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| 5 | #include "Material.h"
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[2802] | 6 | #include "Camera.h"
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[2840] | 7 | #include "Shape.h"
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[3054] | 8 | #include "RenderState.h"
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[3071] | 9 | #include "Transform3.h"
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[2767] | 10 |
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[3071] | 11 |
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[2768] | 12 | using namespace std;
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[2767] | 13 |
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[2768] | 14 |
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[2776] | 15 | namespace CHCDemoEngine
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[2767] | 16 | {
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| 17 |
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[2802] | 18 | RenderQueue::RenderQueue():
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| 19 | mState(NULL),
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[2844] | 20 | mNumEntries(0)
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[2802] | 21 | {
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[2801] | 22 | }
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| 23 |
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| 24 |
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[3061] | 25 | RenderQueue::RenderQueue(RenderState *state):
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[2802] | 26 | mState(state),
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[2844] | 27 | mNumEntries(0)
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[2795] | 28 | {
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| 29 | }
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| 30 |
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| 31 |
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[2802] | 32 | RenderQueue::~RenderQueue()
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[2767] | 33 | {
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[2802] | 34 | for (size_t i = 0; i < mBuckets.size(); ++ i)
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| 35 | {
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| 36 | DEL_PTR(mBuckets[i]);
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| 37 | }
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[2767] | 38 | }
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| 39 |
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| 40 |
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[2841] | 41 | bool RenderQueue::FitsInBucket(Shape *shape, size_t idx) const
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[2767] | 42 | {
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[3054] | 43 | Technique *tech = shape->GetMaterial()->GetTechnique(mState->GetRenderTechnique());
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[2841] | 44 |
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[2826] | 45 | // test if entity belongs to this bucket
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[3054] | 46 | if (tech->IsAlphaTestEnabled() != mBuckets[idx]->mAlphaTestEnabled) { return false; }
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| 47 | if (tech->IsCullFaceEnabled() != mBuckets[idx]->mCullFaceEnabled) { return false; }
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| 48 | if (tech->IsColorWriteEnabled() != mBuckets[idx]->mColorWriteEnabled) { return false; }
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| 49 | if (tech->IsLightingEnabled() != mBuckets[idx]->mLightingEnabled) { return false; }
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| 50 | if (tech->IsDepthWriteEnabled() != mBuckets[idx]->mDepthWriteEnabled) { return false; }
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[2802] | 51 |
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[3042] | 52 | const bool hasTexture = (tech->GetTexture() != NULL);
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[2805] | 53 |
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[3054] | 54 | if (hasTexture != mBuckets[idx]->mHasTexture) { return false; }
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[2802] | 55 |
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[2805] | 56 | if (hasTexture)
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| 57 | {
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[3054] | 58 | if (tech->GetTexture()->GetWidth() != mBuckets[idx]->mTexWidth) { return false; }
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| 59 | if (tech->GetTexture()->GetHeight() != mBuckets[idx]->mTexHeight) {return false; }
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| 60 | if (tech->GetTexture()->GetFormat() != mBuckets[idx]->mTexFormat) { return false; }
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[2805] | 61 | }
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| 62 |
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[3054] | 63 | //if (!tech->GetFragmentProgram() && mBuckets[idx]->mHasFragmentProgram) { return false; }
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| 64 | //if (!tech->GetVertexProgram() && mBuckets[idx]->mHasVertexProgram) { return false; }
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| 65 | if (tech->GetFragmentProgram() != mBuckets[idx]->mFragmentProgram) { return false; }
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| 66 | if (tech->GetVertexProgram() != mBuckets[idx]->mVertexProgram) { return false; }
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[3051] | 67 |
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[2802] | 68 | return true;
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[2767] | 69 | }
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| 70 |
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| 71 |
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[2773] | 72 | void RenderQueue::Enqueue(SceneEntity *entity)
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[2767] | 73 | {
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[2844] | 74 | ShapeContainer::iterator sit, sit_end;
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[2841] | 75 |
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[2844] | 76 | entity->GetCurrentLODLevel(sit, sit_end);
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[2841] | 77 |
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[2844] | 78 | for (; sit != sit_end; ++ sit)
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[2841] | 79 | {
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[3110] | 80 | Enqueue(*sit, entity);
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[2841] | 81 | }
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| 82 | }
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| 83 |
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| 84 |
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[3110] | 85 | void RenderQueue::Enqueue(Shape *shape, SceneEntity *containingEnt)
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[2841] | 86 | {
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[3054] | 87 | Technique *tech = shape->GetMaterial()->GetTechnique(mState->GetRenderTechnique());
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| 88 | RenderQueueBucket *bucket = tech->mRenderQueueBucket;
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| 89 |
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[2844] | 90 | ++ mNumEntries;
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[2841] | 91 |
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[3054] | 92 | if (!bucket)
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[2802] | 93 | {
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| 94 | bool bucketFound = false;
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| 95 |
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| 96 | size_t i = 0;
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| 97 |
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| 98 | for (; i < mBuckets.size(); ++ i)
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| 99 | {
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[2842] | 100 | if (bucketFound = FitsInBucket(shape, i))
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[2802] | 101 | break;
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| 102 | }
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| 103 |
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| 104 | // create new bucket
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| 105 | if (!bucketFound)
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| 106 | {
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| 107 | RenderQueueBucket *bucket = new RenderQueueBucket();
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[3060] | 108 | //bucket->mMinDistance = -1;
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[2802] | 109 |
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[3042] | 110 | bucket->mAlphaTestEnabled = tech->IsAlphaTestEnabled();
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| 111 | bucket->mCullFaceEnabled = tech->IsCullFaceEnabled();
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[2802] | 112 |
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[3051] | 113 | bucket->mColorWriteEnabled = tech->IsColorWriteEnabled();
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| 114 | bucket->mLightingEnabled = tech->IsLightingEnabled();
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| 115 | bucket->mDepthWriteEnabled = tech->IsDepthWriteEnabled();
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[2805] | 116 |
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| 117 |
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[3051] | 118 | Texture *tex = tech->GetTexture();
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[2805] | 119 |
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[3051] | 120 | if (tex != NULL)
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| 121 | {
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| 122 | bucket->mHasTexture = true;
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| 123 |
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| 124 | bucket->mTexWidth = tex->GetWidth();
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| 125 | bucket->mTexHeight = tex->GetHeight();
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| 126 |
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| 127 | bucket->mTexFormat = tex->GetFormat();
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| 128 | }
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| 129 | else
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| 130 | {
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| 131 | bucket->mHasTexture = false;
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| 132 |
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| 133 | bucket->mTexWidth = 0;
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| 134 | bucket->mTexHeight = 0;
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| 135 | bucket->mTexFormat = 0;
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| 136 | }
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| 137 |
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[3054] | 138 | // bucket->mHasVertexProgram = (tech->GetVertexProgram() != NULL);
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| 139 | // bucket->mHasFragmentProgram = (tech->GetFragmentProgram() != NULL);
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| 140 | bucket->mVertexProgram = tech->GetVertexProgram();
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| 141 | bucket->mFragmentProgram = tech->GetFragmentProgram();
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[3051] | 142 |
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[2802] | 143 | mBuckets.push_back(bucket);
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[3054] | 144 | //cout << "increased #buckets to " << (int)mBuckets.size() << endl;
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[2802] | 145 | }
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| 146 |
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| 147 | bucket = mBuckets[i];
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[3054] | 148 | tech->mRenderQueueBucket = bucket;
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[2802] | 149 | }
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[2840] | 150 |
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[3060] | 151 | if (bucket->IsEmpty())
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[2844] | 152 | {
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[3061] | 153 | // add bucket to the list of currently active buckets that will be rendered
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[2844] | 154 | // assume that the incoming nodes are ordered by distance
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[3060] | 155 | // => active buckets are sorted by distance
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| 156 | mActiveBuckets.push_back(bucket);
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[3061] | 157 | }
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[2844] | 158 |
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[3110] | 159 | bucket->mShapes.push_back(ShapePair(shape, containingEnt));
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[2767] | 160 | }
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| 161 |
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[2802] | 162 |
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[2767] | 163 | void RenderQueue::Clear()
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| 164 | {
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[3060] | 165 | for (size_t i = 0; i < mActiveBuckets.size(); ++ i)
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[2844] | 166 | {
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[3060] | 167 | mActiveBuckets[i]->mShapes.clear();
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[2844] | 168 | }
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[2767] | 169 |
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[2844] | 170 | mNumEntries = 0;
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[3060] | 171 | mActiveBuckets.clear();
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[2767] | 172 | }
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| 173 |
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| 174 |
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| 175 | void RenderQueue::SetRenderState(RenderState *state)
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| 176 | {
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| 177 | mState = state;
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| 178 | }
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| 179 |
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| 180 |
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| 181 | void RenderQueue::Render()
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| 182 | {
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[2802] | 183 | // render all buckets
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[3061] | 184 | for (size_t i = 0; i < mActiveBuckets.size(); ++ i)
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[2767] | 185 | {
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[3071] | 186 | ShapePairArray::const_iterator sit, sit_end = mActiveBuckets[i]->mShapes.end();
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[2840] | 187 |
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[3061] | 188 | for (sit = mActiveBuckets[i]->mShapes.begin(); sit != sit_end; ++ sit)
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[2802] | 189 | {
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[3071] | 190 | ShapePair s = *sit;
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| 191 |
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| 192 | Shape *shape = s.first;
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[3110] | 193 | SceneEntity *ent = s.second;
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[3071] | 194 |
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[3110] | 195 | if (ent) ent->Prepare(mState);
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[3114] | 196 | shape->Render(mState, ent);
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[3110] | 197 | if (ent) ent->GetTransform()->Unload(mState);
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[2802] | 198 | }
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[2767] | 199 | }
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[3061] | 200 | //cout << "active: " << (int)mActiveBuckets.size() << endl;
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[2767] | 201 | }
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[2795] | 202 |
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| 203 |
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[2842] | 204 | void RenderQueue::Apply()
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[2767] | 205 | {
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[2842] | 206 | Render();
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| 207 | Clear();
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[2767] | 208 | }
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| 209 |
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| 210 |
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| 211 | } |
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