From d43508ba4843801cbbf1f42a27af260d4eef5701 Mon Sep 17 00:00:00 2001
From: hnOsmium0001 <hn.osmium0001@gmail.com>
Date: Sun, 17 Apr 2022 20:08:57 -0700
Subject: Initial work on sprites and texture system

---
 source/Mesh.cpp | 59 ++++++++++++---------------------------------------------
 1 file changed, 12 insertions(+), 47 deletions(-)

(limited to 'source/Mesh.cpp')

diff --git a/source/Mesh.cpp b/source/Mesh.cpp
index 3622d42..5b4f708 100644
--- a/source/Mesh.cpp
+++ b/source/Mesh.cpp
@@ -69,6 +69,15 @@ int VertexElementFormat::GetStride() const {
 
 void VertexFormat::AddElement(VertexElementFormat element) {
 	vertexSize += element.GetStride();
+
+	int lastIdx = (int)elements.size() - 1;
+	if (lastIdx >= 0) {
+		auto& last = elements[lastIdx];
+		element.offset = last.offset + last.GetStride();
+	} else {
+		element.offset = 0;
+	}
+
 	elements.push_back(std::move(element));
 }
 
@@ -78,56 +87,12 @@ void VertexFormat::RemoveElement(int index) {
 	elements.erase(elements.begin() + index);
 }
 
-void VertexFormat::Sort() {
-	std::sort(elements.begin(), elements.end());
-}
-
-void VertexFormat::CompactBindingIndex() {
-	if (elements.empty()) {
-		return;
-	}
-
-	Sort();
-
-	int targetIdx = 0;
-	int lastIdx = elements[0].bindingIndex;
-	int c = 0;
-	for (auto& elm : elements) {
-		if (lastIdx != elm.bindingIndex) {
-			targetIdx++;
-			lastIdx = elm.bindingIndex;
-		}
-		if (targetIdx != elm.bindingIndex) {
-			elements[c] = elm;
-			elements[c].bindingIndex = targetIdx;
-		}
-		++c;
-	}
+GpuMesh::GpuMesh() {
 }
 
-GpuMesh::GpuMesh(VertexFormat* vertexFormat, BufferBindings* bindings, GpuIndexBuffer* indexBuffer)
-	: vertFormat(vertexFormat)
-	, vertBufBindings(bindings)
-	, indexBuf(indexBuffer) {
+GpuMesh::~GpuMesh() {
 }
 
 bool GpuMesh::IsEmpty() const {
-	return vertFormat != nullptr;
-}
-
-void GpuMesh::SetVertex(VertexFormat* vertexFormat, BufferBindings* bindings) {
-	vertFormat.Attach(vertexFormat);
-	vertBufBindings.Attach(bindings);
-}
-
-VertexFormat* GpuMesh::GetVertexFormat() const {
-	return vertFormat.Get();
-}
-
-BufferBindings* GpuMesh::GetVertexBufferBindings() const {
-	return vertBufBindings.Get();
-}
-
-GpuIndexBuffer* GpuMesh::GetIndexBuffer() const {
-	return indexBuf.Get();
+	return vertFormat == nullptr || indexBuf == nullptr;
 }
-- 
cgit v1.2.3-70-g09d2