Differential D3037 Diff 18373 source/gui/GUIMatrix.cpp

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source/gui/GUIMatrix.cpp

	/* Copyright (C) 2019 Wildfire Games.			/* Copyright (C) 2021 Wildfire Games.
	* This file is part of 0 A.D.			* This file is part of 0 A.D.
	*			*
	* 0 A.D. is free software: you can redistribute it and/or modify			* 0 A.D. is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by			* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 2 of the License, or			* the Free Software Foundation, either version 2 of the License, or
	* (at your option) any later version.			* (at your option) any later version.
	*			*
	* 0 A.D. is distributed in the hope that it will be useful,			* 0 A.D. is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of			* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.			* GNU General Public License for more details.
	*			*
	* You should have received a copy of the GNU General Public License			* You should have received a copy of the GNU General Public License
	* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.			* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
	*/			*/

	#include "precompiled.h"			#include "precompiled.h"

	#include "GUIMatrix.h"			#include "GUIMatrix.h"
				#include "ps/VideoMode.h"
	#include "maths/Matrix3D.h"			#include "maths/Matrix3D.h"

	extern int g_xres, g_yres;			extern int g_xres, g_yres;
	extern float g_GuiScale;

	CMatrix3D GetDefaultGuiMatrix()			CMatrix3D GetDefaultGuiMatrix()
	{			{
	float xres = g_xres / g_GuiScale;			float xres = g_xres / g_VideoMode.GetScale();
	float yres = g_yres / g_GuiScale;			float yres = g_yres / g_VideoMode.GetScale();

	CMatrix3D m;			CMatrix3D m;
	m.SetIdentity();			m.SetIdentity();
	m.Scale(1.0f, -1.f, 1.0f);			m.Scale(1.0f, -1.f, 1.0f);
	m.Translate(0.0f, yres, -1000.0f);			m.Translate(0.0f, yres, -1000.0f);

	CMatrix3D proj;			CMatrix3D proj;
	proj.SetOrtho(0.f, xres, 0.f, yres, -1.f, 1000.f);			proj.SetOrtho(0.f, xres, 0.f, yres, -1.f, 1000.f);
	m = proj * m;			m = proj * m;

	return m;			return m;
	}			}