//一時停止中スクリプト

@Initialize
{
	SetAutoDeleteObject(true);
	TBackground();
	TMenu();
}

@MainLoop
{
	yield;
}

@Finalize
{
}


task TBackground
{
	task TVertex(var index, var left, var top, var right, var bottom)
	{
		ObjPrim_SetVertexPosition(obj, index + 0, left, top, 0);
		ObjPrim_SetVertexPosition(obj, index + 1, left, bottom, 0);
		ObjPrim_SetVertexPosition(obj, index + 2, right, top, 0);
		ObjPrim_SetVertexPosition(obj, index + 3, right, top, 0);
		ObjPrim_SetVertexPosition(obj, index + 4, left, bottom, 0);
		ObjPrim_SetVertexPosition(obj, index + 5, right, bottom, 0);

		ObjPrim_SetVertexUVT(obj, index + 0, left, top);
		ObjPrim_SetVertexUVT(obj, index + 1, left, bottom);
		ObjPrim_SetVertexUVT(obj, index + 2, right, top);
		ObjPrim_SetVertexUVT(obj, index + 3, right, top);
		ObjPrim_SetVertexUVT(obj, index + 4, left, bottom);
		ObjPrim_SetVertexUVT(obj, index + 5, right, bottom);

		//STGシーン内のみアニメーション
		if(left >= 32 && right <= 416 && top >=16 && bottom <= 464)
		{
			let alpha = 255;
			while(alpha >= 128)
			{
				ObjPrim_SetVertexAlpha(obj, index + 0, alpha);
				ObjPrim_SetVertexAlpha(obj, index + 1, alpha/2);
				ObjPrim_SetVertexAlpha(obj, index + 2, alpha/2);
				ObjPrim_SetVertexAlpha(obj, index + 3, alpha/2);
				ObjPrim_SetVertexAlpha(obj, index + 4, alpha/2);
				ObjPrim_SetVertexAlpha(obj, index + 5, alpha);
				alpha -= 255 / frame;

				yield;
			}
		}
	}

	//分割設定
	let frame = 30;
	let countH = 20; //分割数
	let countV = 30; 
	let width = 640 / countH;
	let height = 480 / countV;
	let target = GetTransitionRenderTargetName();
	let obj = ObjPrim_Create(OBJ_PRIMITIVE_2D); //2D頂点ブジェクト生成
	ObjPrim_SetPrimitiveType(obj, PRIMITIVE_TRIANGLELIST);
	ObjPrim_SetVertexCount(obj, countH * countV * 6);
	Obj_SetRenderPriorityI(obj, 0); //描画優先度を設定
	ObjPrim_SetTexture(obj, target); //テクスチャを設定

	ascent(ix in 0.. countH)
	{
		ascent(iy in 0.. countV)
		{
			let index = (ix + iy * countH) * 6;
			let left = ix * width;
			let right = left + width;
			let top = iy * height;
			let bottom = top + height;
			TVertex(index, left, top, right, bottom);
		}
	}

}

task TMenu
{
	let selectIndex = 0;//選択位置
	task TMenuItem(let index, let mx, let my, let text)
	{
		function CreateTextObject(let mx, let my, let text)
		{
			let obj = ObjText_Create();
			ObjText_SetText(obj, text);
			ObjText_SetFontSize(obj, 20);
			ObjText_SetFontBold(obj, true);
			ObjText_SetFontColorTop(obj, 128, 128, 255);
			ObjText_SetFontColorBottom(obj, 64, 64, 255);
			ObjText_SetFontBorderType(obj, BORDER_FULL);
			ObjText_SetFontBorderColor(obj,255, 255, 255);
			ObjText_SetFontBorderWidth(obj, 2);
			Obj_SetRenderPriorityI(obj, 10);
			ObjRender_SetX(obj, mx);
			ObjRender_SetY(obj, my);
			return obj;
		}

		let objText = CreateTextObject(mx, my, text);
		let objSelect = CreateTextObject(mx, my, text);
		ObjRender_SetBlendType(objSelect, BLEND_ADD_RGB);
		loop
		{
			Obj_SetVisible(objSelect, index == selectIndex);
			yield;
		}
	}

	//メニュー配置
	let mx = 48;
	let my = 32;
	let texts = ["再開", "再生終了", "最初からやり直す"];
	var countMenu = length(texts);
	ascent(var iText in 0 .. countMenu)
	{
		TMenuItem(iText, mx, my, texts[iText]);
		my += 32;
	}

	//キー状態がリセットされるまで待機
	while(GetVirtualKeyState(VK_PAUSE) != KEY_FREE){yield;}

	//メニュー選択処理
	let frameKeyHold = 0;//キー押しっぱなしフレーム数
	loop
	{
		//決定
		if(GetVirtualKeyState(VK_OK) == KEY_PULL)
		{
			let listResult = [RESULT_CANCEL, RESULT_END, RESULT_RETRY];
			SetScriptResult(listResult[selectIndex]);
			CloseScript(GetOwnScriptID());
			return;
		}

		//キャンセル
		if(GetVirtualKeyState(VK_CANCEL) == KEY_PULL || GetVirtualKeyState(VK_PAUSE) == KEY_PULL)
		{
			SetScriptResult(RESULT_CANCEL);
			CloseScript(GetOwnScriptID());
			return;
		}

		//カーソル移動
		if(GetVirtualKeyState(VK_UP) == KEY_PUSH)
		{
			selectIndex--;
		}
		else if(GetVirtualKeyState(VK_DOWN) == KEY_PUSH)
		{
			selectIndex++;
		}
		else if(GetVirtualKeyState(VK_UP) == KEY_HOLD)
		{
			frameKeyHold++;
			if(frameKeyHold == 30 || (frameKeyHold > 30 && (frameKeyHold % 10 == 0)))
			{
				selectIndex--;
			}
		}
		else if(GetVirtualKeyState(VK_DOWN) == KEY_HOLD)
		{
			frameKeyHold++;
			if(frameKeyHold == 30 || (frameKeyHold > 30 && (frameKeyHold % 10 == 0)))
			{
				selectIndex++;
			}
		}
		else
		{
			frameKeyHold = 0;
		}

		if(selectIndex < 0) 
		{
			selectIndex = countMenu - 1;
		}
		else
		{
			selectIndex %= countMenu;
		}

		yield;
	}
}