save a little memory

[blank.git] / src / chunk.cpp

diff --git a/src/chunk.cpp b/src/chunk.cpp
index 10031e77e359deb60145bdefe24d2195baecfa6e..bed947e3d5fdfff7182056313a30667ad9996edb 100644 (file)
--- a/src/chunk.cpp
+++ b/src/chunk.cpp
@@ -6,6 +6,12 @@
 #include <glm/gtx/transform.hpp>
 
 
+namespace {
+
+blank::Model::Buffer buf;
+
+}
+
 namespace blank {
 
 Chunk::Chunk(const BlockTypeRegistry &types)
@@ -117,7 +123,6 @@ void Chunk::CheckUpdate() {
        if (dirty) {
                Update();
        }
-       model.CheckUpdate();
 }
 
 void Chunk::Update() {
@@ -127,17 +132,17 @@ void Chunk::Update() {
                vtx_count += shape->VertexCount();
                idx_count += shape->VertexIndexCount();
        }
-       model.Clear();
-       model.Reserve(vtx_count, idx_count);
+       buf.Clear();
+       buf.Reserve(vtx_count, idx_count);
 
        Model::Index vtx_counter = 0;
        for (size_t i = 0; i < Size(); ++i) {
                const BlockType &type = Type(blocks[i]);
-               type.FillModel(model, ToCoords(i), vtx_counter);
+               type.FillModel(buf, ToCoords(i), vtx_counter);
                vtx_counter += type.shape->VertexCount();
        }
 
-       model.Invalidate();
+       model.Update(buf);
        dirty = false;
 }