scummvm/engines/hpl1/penumbra-overture/GraphicsHelper.cpp

130 lines
4.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of Penumbra Overture.
*/
#include "hpl1/penumbra-overture/GraphicsHelper.h"
#include "hpl1/penumbra-overture/Init.h"
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cGraphicsHelper::cGraphicsHelper(cInit *apInit) {
mpInit = apInit;
mpLowLevelGfx = mpInit->mpGame->GetGraphics()->GetLowLevel();
mpTexManager = mpInit->mpGame->GetResources()->GetTextureManager();
mpDrawer = mpInit->mpGame->GetGraphics()->GetDrawer();
mpFont = mpInit->mpGame->GetResources()->GetFontManager()->CreateFontData("font_menu_small.fnt");
mvVtx.resize(4);
}
cGraphicsHelper::~cGraphicsHelper() {
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
void cGraphicsHelper::ClearScreen(const cColor &aColor) {
mpLowLevelGfx->SetClearColor(aColor);
mpLowLevelGfx->ClearScreen();
}
//-----------------------------------------------------------------------
void cGraphicsHelper::DrawTexture(iTexture *apTex, const cVector3f &avPos, const cVector3f &avSize,
const cColor &aColor) {
mpLowLevelGfx->SetDepthTestActive(false);
mpLowLevelGfx->PushMatrix(eMatrix_ModelView);
mpLowLevelGfx->SetIdentityMatrix(eMatrix_ModelView);
mpLowLevelGfx->SetOrthoProjection(mpLowLevelGfx->GetVirtualSize(), -1000, 1000);
mvVtx[0] = cVertex(avPos + cVector3f(0, 0, 0), cVector2f(0.01f, 0.01f), aColor);
mvVtx[1] = cVertex(avPos + cVector3f(avSize.x, 0, 0), cVector2f(0.99f, 0.01f), aColor);
mvVtx[2] = cVertex(avPos + cVector3f(avSize.x, avSize.y, 0), cVector2f(0.99f, 0.99f), aColor);
mvVtx[3] = cVertex(avPos + cVector3f(0, avSize.y, 0), cVector2f(0.01f, 0.99f), aColor);
mpLowLevelGfx->SetBlendActive(false);
for (int i = 0; i < 6; ++i)
mpLowLevelGfx->SetTexture(i, NULL);
mpLowLevelGfx->SetTexture(0, apTex);
mpLowLevelGfx->DrawQuad(mvVtx);
mpLowLevelGfx->SetTexture(0, NULL);
mpLowLevelGfx->PopMatrix(eMatrix_ModelView);
}
//-----------------------------------------------------------------------
void cGraphicsHelper::DrawLoadingScreen(const tString &asFile) {
iTexture *pTex = NULL;
if (asFile != "")
pTex = mpTexManager->Create2D(asFile, false);
if (pTex || asFile == "") {
ClearScreen(cColor(0, 0));
if (pTex)
DrawTexture(pTex, cVector3f(0, 0, 0), cVector2f(800, 600), cColor(1, 1));
mpFont->draw(cVector3f(400, 300, 50), 22, cColor(1, 1), eFontAlign_Center,
kTranslate("LoadTexts", "Loading"));
mpDrawer->DrawAll();
SwapBuffers();
}
if (pTex)
mpTexManager->Destroy(pTex);
}
//-----------------------------------------------------------------------
void cGraphicsHelper::SwapBuffers() {
mpLowLevelGfx->SwapBuffers();
}
//-----------------------------------------------------------------------