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Push Optimisation mesh. Generation des Chunks à revoir.

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This commit is contained in:
Mathieu Duval 2023-09-24 00:24:45 -04:00
parent 9aa426b804
commit 75ca13ccfc
3 changed files with 85 additions and 39 deletions
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108
SQCSim2021/chunk.cpp
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@ -110,28 +110,49 @@ void Chunk::SetBlock(int x, int y, int z, BlockType type, World* world) {
BlockType Chunk::GetBlock(int x, int y, int z) { return m_blocks.Get(x, y, z); } BlockType Chunk::GetBlock(int x, int y, int z) { return m_blocks.Get(x, y, z); }
void Chunk::CheckNeighbors(unsigned int x, unsigned int z, World* world) { NEIGHBOR_CHUNK_POSITION Chunk::CheckNeighbors(unsigned int x, unsigned int z, World* world) {
unsigned int cx, cy; unsigned int cx, cy;
world->GetScope(cx, cy); world->GetScope(cx, cy);
if (x == 0 && m_posX - cx >= 0 && if (x == 0 && m_posX - cx >= 0 && world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)) {
world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z))
world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty(); world->ChunkAt((m_posX - cx - 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty();
else if (x == CHUNK_SIZE_X - 1 && m_posX - cx < WORLD_SIZE_X && return X_MINUS;
world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)) }
else if (x == CHUNK_SIZE_X - 1 && m_posX - cx < WORLD_SIZE_X && world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)) {
world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty(); world->ChunkAt((m_posX - cx + 1) * CHUNK_SIZE_X, 1, (m_posY - cy) * CHUNK_SIZE_Z)->MakeDirty();
return X_PLUS;
}
if (z == 0 && m_posY - cy >= 0 && if (z == 0 && m_posY - cy >= 0 && world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z)) {
world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z))
world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z)->MakeDirty(); world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy - 1) * CHUNK_SIZE_Z)->MakeDirty();
else if (z == CHUNK_SIZE_X - 1 && m_posY - cy < WORLD_SIZE_Y && return Z_MINUS;
world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)) }
else if (z == CHUNK_SIZE_X - 1 && m_posY - cy < WORLD_SIZE_Y && world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)) {
world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)->MakeDirty(); world->ChunkAt((m_posX - cx) * CHUNK_SIZE_X, 1, (m_posY - cy + 1) * CHUNK_SIZE_Z)->MakeDirty();
return Z_PLUS;
}
return NONE;
} }
void Chunk::GetPosition(unsigned int& x, unsigned int& y) const { x = m_posX; y = m_posY; } void Chunk::GetPosition(unsigned int& x, unsigned int& y) const { x = m_posX; y = m_posY; }
void Chunk::AddAllVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int cx, int cy, int x, int y, int z, float u, float v, float s, World* world) {
if (world->BlockAt(cx + 1, y, cy) == BTYPE_AIR) {
AddXPlusVertices(vd, count, bt, x, y, z, u, v, s);
}
if (world->BlockAt(cx - 1, y, cy) == BTYPE_AIR) {
AddXMinusVertices(vd, count, bt, x, y, z, u, v, s);
}
if (world->BlockAt(cx, y, cy + 1) == BTYPE_AIR) {
AddZPlusVertices(vd, count, bt, x, y, z, u, v, s);
}
if (world->BlockAt(cx, y, cy - 1) == BTYPE_AIR) {
AddZMinusVertices(vd, count, bt, x, y, z, u, v, s);
}
}
void Chunk::FlushMeshToVBO() { void Chunk::FlushMeshToVBO() {
m_vertexBuffer.SetMeshData(m_vd, m_vcount); m_vertexBuffer.SetMeshData(m_vd, m_vcount);
m_vcount = 0; m_vcount = 0;
@ -181,47 +202,66 @@ void Chunk::AddBlockToMesh(VertexBuffer::VertexData* vd, int& count, BlockType b
int cx = x + (m_posX - cex) * CHUNK_SIZE_X, cy = z + (m_posY - cey) * CHUNK_SIZE_Z; int cx = x + (m_posX - cex) * CHUNK_SIZE_X, cy = z + (m_posY - cey) * CHUNK_SIZE_Z;
if (y == CHUNK_SIZE_Y - 1 || GetBlock(x, y + 1, z) == BTYPE_AIR) { // y bool isOnBorder = (x == 0 || x == CHUNK_SIZE_X - 1 ||
z == 0 || z == CHUNK_SIZE_Z - 1 ||
y == 0 || y == CHUNK_SIZE_Y - 1);
NEIGHBOR_CHUNK_POSITION ncp = CheckNeighbors(x, z, world);
if (y == CHUNK_SIZE_Y - 1 || GetBlock(x, y + 1, z) == BTYPE_AIR) { // Y+
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .8f, .8f, .8f, u, v); vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .8f, .8f, .8f, u, v);
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .8f, .8f, .8f, u, v + s); vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .8f, .8f, .8f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .8f, .8f, .8f, u + s, v + s); vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .8f, .8f, .8f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .8f, .8f, .8f, u + s, v); vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .8f, .8f, .8f, u + s, v);
} }
if (y == 0 || GetBlock(x, y - 1, z) == BTYPE_AIR) { // -y if (y == 0 || GetBlock(x, y - 1, z) == BTYPE_AIR) { // Y-
vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .2f, .2f, .2f, u, v); vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .2f, .2f, .2f, u, v);
vd[count++] = VertexBuffer::VertexData(x, y, z, .2f, .2f, .2f, u, v + s); vd[count++] = VertexBuffer::VertexData(x, y, z, .2f, .2f, .2f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .2f, .2f, .2f, u + s, v + s); vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .2f, .2f, .2f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .2f, .2f, .2f, u + s, v); vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .2f, .2f, .2f, u + s, v);
} }
if (world->BlockAt(cx + 1, y, cy) == BTYPE_AIR) { // x if (!isOnBorder || (x == CHUNK_SIZE_X - 1 && ncp == X_PLUS) || (x == CHUNK_SIZE_X - 1 && ncp == NONE)) { // X+
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .9f, .9f, .9f, u, v); AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .9f, .9f, .9f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .9f, .9f, .9f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .9f, .9f, .9f, u + s, v);
} }
else if (!isOnBorder || (x == 0 && ncp == X_MINUS) || (x == 0 && ncp == NONE)) { // X-
AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
}
else if (!isOnBorder || (z == CHUNK_SIZE_Z - 1 && ncp == Z_PLUS) || (z == CHUNK_SIZE_Z - 1 && ncp == NONE)) { // Z+
AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
}
else if (!isOnBorder || (z == 0 && ncp == Z_MINUS) || (z == 0 && ncp == NONE)) { // Z-
AddAllVertices(vd, count, bt, cx, cy, x, y, z, u, v, s, world);
}
}
if (world->BlockAt(cx - 1, y, cy) == BTYPE_AIR) { // -x void Chunk::AddXPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .5f, .5f, .5f, u, v + s); vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, .9f, .9f, .9f, u, v);
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .5f, .5f, .5f, u + s, v + s); vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, .9f, .9f, .9f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x, y, z, .5f, .5f, .5f, u + s, v); vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .9f, .9f, .9f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .5f, .5f, .5f, u, v); vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .9f, .9f, .9f, u + s, v);
} }
if (world->BlockAt(cx, y, cy + 1) == BTYPE_AIR) { // z void Chunk::AddXMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .4f, .4f, .4f, u, v); vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .5f, .5f, .5f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .4f, .4f, .4f, u + s, v); vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, .5f, .5f, .5f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .4f, .4f, .4f, u + s, v + s); vd[count++] = VertexBuffer::VertexData(x, y, z, .5f, .5f, .5f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .4f, .4f, .4f, u, v + s); vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .5f, .5f, .5f, u, v);
} }
if (world->BlockAt(cx, y, cy - 1) == BTYPE_AIR) { // -z void Chunk::AddZPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, 1.f, 1.f, 1.f, u, v + s); vd[count++] = VertexBuffer::VertexData(x, y, z + 1.f, .4f, .4f, .4f, u, v);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, 1.f, 1.f, 1.f, u + s, v + s); vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z + 1.f, .4f, .4f, .4f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z , 1.f, 1.f, 1.f, u + s, v); vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z + 1.f, .4f, .4f, .4f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x, y, z , 1.f, 1.f, 1.f, u, v); vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z + 1.f, .4f, .4f, .4f, u, v + s);
} }
void Chunk::AddZMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s) {
vd[count++] = VertexBuffer::VertexData(x, y + 1.f, z, 1.f, 1.f, 1.f, u, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y + 1.f, z, 1.f, 1.f, 1.f, u + s, v + s);
vd[count++] = VertexBuffer::VertexData(x + 1.f, y, z, 1.f, 1.f, 1.f, u + s, v);
vd[count++] = VertexBuffer::VertexData(x, y, z, 1.f, 1.f, 1.f, u, v);
} }
void Chunk::Render() const { m_vertexBuffer.Render(); } void Chunk::Render() const { m_vertexBuffer.Render(); }

7
SQCSim2021/chunk.h
View File

@ -31,9 +31,14 @@ class Chunk {
void RemoveBlock(int x, int y, int z, World* world); void RemoveBlock(int x, int y, int z, World* world);
void SetBlock(int x, int y, int z, BlockType type, World* world); void SetBlock(int x, int y, int z, BlockType type, World* world);
BlockType GetBlock(int x, int y, int z); BlockType GetBlock(int x, int y, int z);
void CheckNeighbors(unsigned int x, unsigned int z, World* world); NEIGHBOR_CHUNK_POSITION CheckNeighbors(unsigned int x, unsigned int z, World* world);
void GetPosition(unsigned int& x, unsigned int& y) const; void GetPosition(unsigned int& x, unsigned int& y) const;
void AddAllVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt,int cx, int cy, int x, int y, int z, float u, float v, float s, World* world);
void AddXPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
void AddXMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
void AddZPlusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
void AddZMinusVertices(VertexBuffer::VertexData* vd, int& count, BlockType bt, int x, int y, int z, float u, float v, float s);
void Update(BlockInfo* blockinfo[BTYPE_LAST], World* world); void Update(BlockInfo* blockinfo[BTYPE_LAST], World* world);
void FlushMeshToVBO(); void FlushMeshToVBO();

9
SQCSim2021/define.h
View File

@ -19,8 +19,8 @@
#define SEED 12345 #define SEED 12345
#ifdef _DEBUG #ifdef _DEBUG
#define WORLD_SIZE_X 64 #define WORLD_SIZE_X 2
#define WORLD_SIZE_Y 64 #define WORLD_SIZE_Y 2
#define FRAMES_RENDER_CHUNKS 4 #define FRAMES_RENDER_CHUNKS 4
#define FRAMES_UPDATE_CHUNKS 4 #define FRAMES_UPDATE_CHUNKS 4
@ -39,8 +39,8 @@
#endif #endif
#ifdef NDEBUG #ifdef NDEBUG
#define WORLD_SIZE_X 16 #define WORLD_SIZE_X 2
#define WORLD_SIZE_Y 16 #define WORLD_SIZE_Y 2
#define FRAMES_RENDER_CHUNKS 1 #define FRAMES_RENDER_CHUNKS 1
#define FRAMES_UPDATE_CHUNKS 1 #define FRAMES_UPDATE_CHUNKS 1
@ -58,6 +58,7 @@
typedef uint8_t BlockType; typedef uint8_t BlockType;
enum BLOCK_TYPE { BTYPE_AIR, BTYPE_DIRT, BTYPE_GRASS, BTYPE_METAL, BTYPE_ICE, BTYPE_LAST }; enum BLOCK_TYPE { BTYPE_AIR, BTYPE_DIRT, BTYPE_GRASS, BTYPE_METAL, BTYPE_ICE, BTYPE_LAST };
enum NEIGHBOR_CHUNK_POSITION { NONE, X_MINUS, X_PLUS, Z_MINUS, Z_PLUS };
//#define TEXTURE_PATH "../SQCSim2021/media/textures/" //#define TEXTURE_PATH "../SQCSim2021/media/textures/"
//#define SHADER_PATH "../SQCSim2021/media/shaders/" //#define SHADER_PATH "../SQCSim2021/media/shaders/"