memartel/SQCSimulator2023
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Sloth loves Chunk!

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This commit is contained in:
Marc-Eric Martel
2021-10-11 11:37:58 -04:00
parent 2347a3f7e4
commit 6f3dd99ab7
27 changed files with 19795 additions and 194 deletions
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86
SQCSim2021/chunk.cpp
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@@ -1,25 +1,83 @@
#include "chunk.h"
Chunk::Chunk() : BlockArray3d(CHUNK_SIZE_X, CHUNK_SIZE_Y, CHUNK_SIZE_Z)
{
Chunk::Chunk() {}
Chunk::~Chunk() {}
void Chunk::RemoveBlock(int x, int y, int z) {
m_blocks.Set(x, y, z, BTYPE_AIR);
m_isDirty = true;
}
Chunk::~Chunk()
{
void Chunk::SetBlock(int x, int y, int z, BlockType type) {
m_blocks.Set(x, y, z, type);
m_isDirty = true;
}
void Chunk::RemoveBlock(int x, int y, int z)
{
Set(x, y, z, BTYPE_AIR);
BlockType Chunk::GetBlock(int x, int y, int z) { return m_blocks.Get(x, y, z); }
void Chunk::Update() {
// Update mesh
if (m_isDirty) {
int maxVertexCount = (CHUNK_SIZE_X * CHUNK_SIZE_Y * CHUNK_SIZE_Z) * (6 * 4);
VertexBuffer::VertexData* vd = new VertexBuffer::VertexData[maxVertexCount];
int count = 0;
for (int x = 0; x < CHUNK_SIZE_X; ++x) {
for (int z = 0; z < CHUNK_SIZE_Z; ++z) {
for (int y = 0; y < CHUNK_SIZE_Y; ++y) {
if (count > USHRT_MAX)
break;
BlockType bt = GetBlock(x, y, z);
if (bt != BTYPE_AIR) {
AddBlockToMesh(vd, count, bt, x, y, z);
}
}
}
}
if (count > USHRT_MAX) {
count = USHRT_MAX;
std::cout << "[ Chunk :: Update ] Chunk data truncaned , too much vertices to have a 16 bit index " << std::endl;
}
m_vertexBuffer.SetMeshData(vd, count);
delete[] vd;
}
m_isDirty = false;
}
void Chunk::SetBlock(int x, int y, int z, BlockType type)
{
Set(x, y, z, type);
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);
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);
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);
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, 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);
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);
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);
}
BlockType Chunk::GetBlock(int x, int y, int z)
{
return Get(x, y, z);
}
void Chunk::Render() const { m_vertexBuffer.Render(); }
bool Chunk::IsDirty() const { return m_isDirty; }