[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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| 6 |
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| 7 |
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[2768] | 8 | using namespace std;
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[2767] | 9 |
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[2768] | 10 |
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[2767] | 11 | namespace CHCDemo
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| 12 | {
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| 13 |
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| 14 |
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| 15 | inline static bool IsLower(SceneEntity *ent1, SceneEntity *ent2)
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| 16 | {
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[2768] | 17 | Texture *t1 = ent1->GetMaterial()->GetTexture();
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| 18 | Texture *t2 = ent2->GetMaterial()->GetTexture();
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[2767] | 19 |
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[2768] | 20 | int tsize1 = t1 ? t1->GetByteSize() : 0;
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| 21 | int tsize2 = t2 ? t2->GetByteSize() : 0;
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[2767] | 22 |
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[2768] | 23 | if (tsize1 == tsize2)
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| 24 | return ent1->GetMaterial() < ent2->GetMaterial();
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| 25 |
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| 26 | return tsize1 < tsize2;
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[2767] | 27 | }
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| 28 |
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| 29 |
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[2771] | 30 | RenderQueue::RenderQueue(): mState(NULL), mMinSizeForSorting(5)
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[2767] | 31 | {
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| 32 | }
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| 33 |
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| 34 |
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| 35 | RenderQueue::RenderQueue(RenderState *state):
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| 36 | mState(state)
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| 37 | {
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| 38 | }
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| 39 |
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| 40 |
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| 41 | void RenderQueue::Enqueue(SceneEntity **entities, int size)
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| 42 | {
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| 43 | for (int i = 0; i < size; ++ i)
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| 44 | mEntities.push_back(entities[i]);
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| 45 | }
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| 46 |
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| 47 |
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| 48 | void RenderQueue::Clear()
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| 49 | {
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| 50 | mEntities.clear();
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| 51 |
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| 52 | }
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| 53 |
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| 54 |
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| 55 | void RenderQueue::SetRenderState(RenderState *state)
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| 56 | {
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| 57 | mState = state;
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| 58 | }
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| 59 |
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| 60 |
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| 61 | void RenderQueue::Render()
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| 62 | {
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[2771] | 63 | if (mEntities.size() >= mMinSizeForSorting)
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| 64 | Sort();
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[2768] | 65 |
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| 66 | //if (!mEntities.empty()) Debug << "rendering render queue" << endl;
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[2767] | 67 | SceneEntityContainer::const_iterator sit, sit_end = mEntities.end();
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| 68 |
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| 69 | for (sit = mEntities.begin(); sit != sit_end; ++ sit)
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| 70 | {
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| 71 | SceneEntity *ent = *sit;
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| 72 | ent->Render(mState);
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[2768] | 73 |
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| 74 | /*if (ent->GetMaterial()->GetTexture())
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| 75 | Debug << " " << ent->GetMaterial()->GetTexture()->GetWidth();
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| 76 | else
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| 77 | Debug << " 0";*/
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[2767] | 78 | }
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| 79 | }
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| 80 |
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| 81 |
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| 82 | void RenderQueue::Sort()
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| 83 | {
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[2768] | 84 | //InitTiming();
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| 85 | //long t1, t2;
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| 86 | //t1 = GetTime();
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| 87 |
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| 88 | sort(mEntities.begin(), mEntities.end(), IsLower);
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| 89 |
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| 90 | //t2 = GetTime();
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| 91 | //cout << "sort: " << TimeDiff(t1, t2) << endl;
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[2767] | 92 | }
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| 93 |
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| 94 |
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| 95 | } |
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