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SpriteRenderState.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * スプライトレンダーステート実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Graphics2D/Renderer/SpriteRenderState.h"
00027 #include "Graphics2D/Renderer/SpriteGraphicsBuffer.h"
00028 #include "Graphics2D/Sprite/SpritePicture.h"
00029 #include "Graphics/Renderer/RenderingDevice.h"
00030 
00031 namespace Lamp{
00032 
00033 //------------------------------------------------------------------------------
00034 // 生成、破棄
00035 //------------------------------------------------------------------------------
00036 // コンストラクタ
00037 SpriteRenderState::SpriteRenderState(SpriteGraphicsBuffer* graphicsBuffer) :
00038     graphicsBuffer_(graphicsBuffer), picture_(NULL){
00039     // レンダーターゲットサイズを取得する
00040     RenderingDevice* device = RenderingDevice::getInstance();
00041     renderTargetSize_.set(device->getRenderTargetSize());
00042 }
00043 //------------------------------------------------------------------------------
00044 // デストラクタ
00045 SpriteRenderState::~SpriteRenderState(){
00046 }
00047 //------------------------------------------------------------------------------
00048 // 描画
00049 //------------------------------------------------------------------------------
00050 // リクエスト
00051 void SpriteRenderState::request(SpritePicture* picture,
00052     const Point2f& minPosition, const Point2f& maxPosition,
00053     const TexCoord2& minUV, const TexCoord2& maxUV){
00054     // ピクチャに変更があればバッファを書き出す
00055     if(picture_ != picture){
00056         render();
00057         picture_ = picture;
00058         RenderingDevice* device = RenderingDevice::getInstance();
00059         if(picture_ == NULL){
00060             device->setTexture(0, (Direct3DTexture*)NULL);
00061         }else{
00062             device->setTexture(0, picture_->getD3DTexture());
00063         }
00064     }
00065     graphicsBuffer_->request(minPosition, maxPosition, minUV, maxUV);
00066 }
00067 //------------------------------------------------------------------------------
00068 // レンダリング
00069 void SpriteRenderState::render(){
00070     graphicsBuffer_->render();
00071 }
00072 //------------------------------------------------------------------------------
00073 } // End of namespace Lamp
00074 //------------------------------------------------------------------------------

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