75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <pd/core/pool.hpp>
|
|
#include <pd/lithium/pools.hpp>
|
|
#include <pd/lithium/vertex.hpp>
|
|
|
|
namespace PD {
|
|
namespace Li {
|
|
class Command {
|
|
public:
|
|
Command() { Reset(); }
|
|
~Command() {}
|
|
|
|
void Reserve(size_t vtx, size_t idx) {
|
|
if (!FirstVertex) {
|
|
FirstVertex = AllocateVertices(vtx, (PD::ptr)this);
|
|
VertexCountMax = vtx;
|
|
} else {
|
|
ExpandVertices(vtx, (PD::ptr)this);
|
|
VertexCountMax += vtx;
|
|
}
|
|
if (!FirstIndex) {
|
|
FirstIndex = AllocateIndices(idx, (PD::ptr)this);
|
|
IndexCountMax = idx;
|
|
} else {
|
|
ExpandIndices(idx, (PD::ptr)this);
|
|
IndexCountMax += idx;
|
|
}
|
|
}
|
|
|
|
void Reset() {
|
|
Layer = 0;
|
|
Tex = 0;
|
|
FirstIndex = 0;
|
|
FirstVertex = 0;
|
|
IndexCount = 0;
|
|
VertexCount = 0;
|
|
VertexCountMax = 0;
|
|
IndexCountMax = 0;
|
|
}
|
|
|
|
Command& Add(const Vertex& vtx) {
|
|
if (VertexCount <= VertexCountMax)
|
|
PutVertex(FirstVertex + VertexCount++, vtx, (PD::ptr)this);
|
|
return *this;
|
|
}
|
|
Command& Add(u16 idx) {
|
|
if (IndexCount <= IndexCountMax)
|
|
PutIndex(FirstIndex + IndexCount++, VertexCount + idx, (PD::ptr)this);
|
|
return *this;
|
|
}
|
|
Command& Add(u16 a, u16 b, u16 c) {
|
|
if (IndexCount + 3 <= IndexCountMax) {
|
|
size_t idx = FirstIndex + IndexCount;
|
|
PutIndex(idx + 0, VertexCount + a, (PD::ptr)this);
|
|
PutIndex(idx + 1, VertexCount + b, (PD::ptr)this);
|
|
PutIndex(idx + 2, VertexCount + c, (PD::ptr)this);
|
|
IndexCount += 3;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
int Layer = 0;
|
|
ptr Tex = 0;
|
|
size_t FirstVertex = 0;
|
|
size_t FirstIndex = 0;
|
|
size_t VertexCount = 0;
|
|
size_t IndexCount = 0;
|
|
// Todo: implement
|
|
size_t VertexCountMax = 0;
|
|
size_t IndexCountMax = 0;
|
|
};
|
|
} // namespace Li
|
|
} // namespace PD
|