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XNI/Classes/Retronator/Xni/Framework/Content/VertexBufferReader.m

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//
// VertexBufferReader.m
// XNI
//
// Created by Matej Jan on 23.11.10.
// Copyright 2010 Retronator. All rights reserved.
//
#import "VertexBufferReader.h"
#import "Retronator.Xni.Framework.Content.h"
#import "Retronator.Xni.Framework.Graphics.h"
#import "Retronator.Xni.Framework.Content.Pipeline.Processors.h"
#import "GraphicsDevice+Internal.h"
@implementation VertexBufferReader
- (id) readFromInput:(ContentReader *)input into:(id)existingInstance {
VertexBufferContent *content = input.content;
GraphicsDevice *graphicsDevice = [[input.contentManager.serviceProvider getServiceOfType:@protocol(IGraphicsDeviceService)] graphicsDevice];
VertexDeclaration *vertexDeclaration = [input readObjectFrom:content.vertexDeclaration];
int vertexCount = [content.vertexData length] / vertexDeclaration.vertexStride;
VertexBuffer *buffer = [[[VertexBuffer alloc] initWithGraphicsDevice:graphicsDevice
vertexDeclaration:vertexDeclaration
vertexCount:vertexCount usage:BufferUsageWriteOnly] autorelease];
[graphicsDevice setData:(void*)[content.vertexData bytes] toVertexBuffer:buffer];
return buffer;
}
@end