memartel/SQCSimulator2023
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Optimization interne de chunk!

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This commit is contained in:
Marc-Eric Martel
2021-10-31 00:31:08 -04:00
parent c3c432c369
commit 1639b38c2c
9 changed files with 129 additions and 71 deletions
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75
SQCSim2021/chunk.cpp
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@@ -16,7 +16,8 @@ void Chunk::SetBlock(int x, int y, int z, BlockType type) {
BlockType Chunk::GetBlock(int x, int y, int z) { return m_blocks.Get(x, y, z); }
void Chunk::Update() {
void Chunk::Update(BlockInfo* blockinfo[BTYPE_LAST]) {
float u, v, s;
// Update mesh
if (m_isDirty) {
int maxVertexCount = (CHUNK_SIZE_X * CHUNK_SIZE_Y * CHUNK_SIZE_Z) * (6 * 4);
@@ -29,7 +30,8 @@ void Chunk::Update() {
break;
BlockType bt = GetBlock(x, y, z);
if (bt != BTYPE_AIR) {
AddBlockToMesh(vd, count, bt, x, y, z);
blockinfo[bt]->GetTexture(u, v, s);
AddBlockToMesh(vd, count, bt, x, y, z, u, v, s);
}
}
}
@@ -44,37 +46,54 @@ void Chunk::Update() {
m_isDirty = false;
}
void Chunk::AddBlockToMesh(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, 1.f, 1.f, 1.f, 0.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, 1.f, 1.f, 1.f, 1.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, 1.f, 1.f, 1.f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, 1.f, 1.f, 1.f, 0.f, 1.f);
void Chunk::AddBlockToMesh(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
// x
if (x == CHUNK_SIZE_X - 1 || GetBlock(x + 1, y, z) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, .9f, .9f, .9f, u, v);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, .9f, .9f, .9f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, .9f, .9f, .9f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, .9f, .9f, .9f, u + s, v);
}
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, 1.f, 1.f, 1.f, 0.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, 1.f, 1.f, 1.f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, 1.f, 1.f, 1.f, 1.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, 1.f, 1.f, 1.f, 0.f, 0.f);
// -x
if (x == 0 || GetBlock(x - 1, y, z) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, .9f, .9f, .9f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, .9f, .9f, .9f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, .9f, .9f, .9f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, .9f, .9f, .9f, u, v);
}
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, .9f, .9f, .9f, 0.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, .9f, .9f, .9f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, .9f, .9f, .9f, 1.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, .9f, .9f, .9f, 0.f, 0.f);
// y
if (y == CHUNK_SIZE_Y - 1 || GetBlock(x, y + 1, z) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, .8f, .8f, .8f, u, v);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, .8f, .8f, .8f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, .8f, .8f, .8f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, .8f, .8f, .8f, u + s, v);
}
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, .9f, .9f, .9f, 0.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, .9f, .9f, .9f, 0.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, .9f, .9f, .9f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, .9f, .9f, .9f, 1.f, 0.f);
// - y
if (y == 0 || GetBlock(x, y - 1, z) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, .8f, .8f, .8f, u, v);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, .8f, .8f, .8f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, .8f, .8f, .8f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, .8f, .8f, .8f, u + s, v);
}
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, .8f, .8f, .8f, 0.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, .8f, .8f, .8f, 0.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, .8f, .8f, .8f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, .8f, .8f, .8f, 1.f, 0.f);
// z
if (z == CHUNK_SIZE_Z - 1 || GetBlock(x, y, z + 1) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, 1.f, 1.f, 1.f, u, v);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, 1.f, 1.f, 1.f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z + .5f, 1.f, 1.f, 1.f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z + .5f, 1.f, 1.f, 1.f, u, v + s);
}
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z + .5f, .8f, .8f, .8f, 0.f, 0.f);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, .8f, .8f, .8f, 0.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, .8f, .8f, .8f, 1.f, 1.f);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z + .5f, .8f, .8f, .8f, 1.f, 0.f);
// -z
if (z == 0 || GetBlock(x, y, z - 1) == BTYPE_AIR) {
vd[count++] = VertexBuffer::VertexData(x - .5f, y + .5f, z - .5f, 1.f, 1.f, 1.f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y + .5f, z - .5f, 1.f, 1.f, 1.f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + .5f, y - .5f, z - .5f, 1.f, 1.f, 1.f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x - .5f, y - .5f, z - .5f, 1.f, 1.f, 1.f, u, v);
}
}
void Chunk::Render() const { m_vertexBuffer.Render(); }