TeamProject_G1_FTeam/bg.cpp at master · SomaIshihara/TeamProject_G1_FTeam · GitHub

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/*==========================================================================================================================================================

ゲーム背景処理[bg.cpp]
Author:平澤詩苑

============================================================================================================================================================*/
#include "main.h"
#include "bg.h"
#include "color.h"
#include "input.h"

//マクロ定義
#define BG_TEX_NAME		"data/TEXTURE/game.png"	//背景のテクスチャ名

//グローバル変数宣言
LPDIRECT3DTEXTURE9		g_pTextureBg = NULL;	//テクスチャへのポインタ
LPDIRECT3DVERTEXBUFFER9 g_pVtxBuffBg = NULL;	//頂点バッファへのポインタ

//------------------------------------------------
//					背景初期化処理
//------------------------------------------------
void InitBg(void)
{
	//デバイス取得
	LPDIRECT3DDEVICE9 pDevice = GetDevice();

	//頂点バッファの生成
	pDevice->CreateVertexBuffer(sizeof(VERTEX_2D) * VTX_MAX, D3DUSAGE_WRITEONLY, FVF_VERTEX_2D, D3DPOOL_MANAGED, &g_pVtxBuffBg, NULL);

	//ポインタを設定
	VERTEX_2D *pVtx;

	//頂点バッファをロックし、頂点情報へのポインタを取得
	g_pVtxBuffBg->Lock(0, 0, (void* *)&pVtx, 0);

	//テクスチャの読み込み
	D3DXCreateTextureFromFile(pDevice, BG_TEX_NAME, &g_pTextureBg);

	//頂点座標の設定
	pVtx[VTX_LE_UP].pos = D3DXVECTOR3(NIL_F, NIL_F, NIL_F);
	pVtx[VTX_RI_UP].pos = D3DXVECTOR3(SCREEN_WIDTH, NIL_F, NIL_F);
	pVtx[VTX_LE_DO].pos = D3DXVECTOR3(NIL_F, SCREEN_HEIGHT, NIL_F);
	pVtx[VTX_RI_DO].pos = D3DXVECTOR3(SCREEN_WIDTH, SCREEN_HEIGHT, NIL_F);

	//rhwの設定
	pVtx[VTX_LE_UP].rhw = RHW;
	pVtx[VTX_RI_UP].rhw = RHW;
	pVtx[VTX_LE_DO].rhw = RHW;
	pVtx[VTX_RI_DO].rhw = RHW;

	//頂点カラーの設定
	pVtx[VTX_LE_UP].col = RGBA_WHITE;
	pVtx[VTX_RI_UP].col = RGBA_WHITE;
	pVtx[VTX_LE_DO].col = RGBA_WHITE;
	pVtx[VTX_RI_DO].col = RGBA_WHITE;

	//テクスチャの座標
	pVtx[VTX_LE_UP].tex = D3DXVECTOR2(0.0f, 0.0f);
	pVtx[VTX_RI_UP].tex = D3DXVECTOR2(1.0f, 0.0f);
	pVtx[VTX_LE_DO].tex = D3DXVECTOR2(0.0f, 1.0f);
	pVtx[VTX_RI_DO].tex = D3DXVECTOR2(1.0f, 1.0f);


	//頂点バッファをロックする
	g_pVtxBuffBg->Unlock();
}

//------------------------------------------------
//					背景終了処理
//------------------------------------------------
void UninitBg(void)
{
	//テクスチャの破棄
	if (g_pTextureBg != NULL)
	{
		g_pTextureBg->Release();
		g_pTextureBg = NULL;
	}

	//頂点バッファの破棄
	if (g_pVtxBuffBg != NULL)
	{
		g_pVtxBuffBg->Release();
		g_pVtxBuffBg = NULL;
	}
}

//------------------------------------------------
//					背景更新処理
//------------------------------------------------
void UpdateBg(void)
{

}

//------------------------------------------------
//					背景描画処理
//------------------------------------------------
void DrawBg(void)
{
	//デバイス取得
	LPDIRECT3DDEVICE9 pDevice = GetDevice();

	//頂点バッファをデータストリームに設定
	pDevice->SetStreamSource(0, g_pVtxBuffBg, 0, sizeof(VERTEX_2D));

	//頂点フォーマットの設定
	pDevice->SetFVF(FVF_VERTEX_2D);

	//テクスチャの設定
	pDevice->SetTexture(0, g_pTextureBg);

	//ポリゴンの描画
	pDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
}