102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/*
|
|
Moonfall Copyright (C) 2008 Alex Yatskov
|
|
|
|
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/>.
|
|
*/
|
|
|
|
#include "Pch.h"
|
|
#include "Driver.h"
|
|
|
|
Driver::Driver() :
|
|
m_lastTick(0),
|
|
m_sdlInitialized(false),
|
|
m_ttfInitialized(false)
|
|
{
|
|
}
|
|
|
|
Driver::~Driver()
|
|
{
|
|
Shutdown();
|
|
}
|
|
|
|
bool Driver::Initialize (const char* title)
|
|
{
|
|
if (!m_sdlInitialized)
|
|
{
|
|
m_sdlInitialized = SDL_Init(SDL_INIT_EVERYTHING) == 0;
|
|
}
|
|
|
|
if (m_sdlInitialized && !m_ttfInitialized)
|
|
{
|
|
m_ttfInitialized = TTF_Init() == 0;
|
|
}
|
|
|
|
if (!m_sdlInitialized || !m_ttfInitialized)
|
|
{
|
|
TRACE_ERROR("SDL initialization failed");
|
|
Shutdown();
|
|
return false;
|
|
}
|
|
|
|
srand(static_cast<unsigned>(time(NULL)));
|
|
SDL_WM_SetCaption(title, title);
|
|
m_lastTick = SDL_GetTicks() - 1;
|
|
|
|
TRACE_INFO("SDL initialized");
|
|
return true;
|
|
}
|
|
|
|
void Driver::Shutdown()
|
|
{
|
|
System::Reset();
|
|
|
|
if (m_ttfInitialized)
|
|
{
|
|
TTF_Quit();
|
|
m_ttfInitialized = false;
|
|
}
|
|
|
|
if (m_sdlInitialized)
|
|
{
|
|
SDL_Quit();
|
|
m_sdlInitialized = false;
|
|
}
|
|
|
|
TRACE_INFO("SDL shutdown");
|
|
}
|
|
|
|
void Driver::Update()
|
|
{
|
|
if (!m_sdlInitialized || !m_ttfInitialized)
|
|
{
|
|
return;
|
|
}
|
|
|
|
const int currentTick = SDL_GetTicks();
|
|
const int tickDelta = MIN(currentTick - m_lastTick, 100);
|
|
m_lastTick = currentTick;
|
|
|
|
#if 0
|
|
static int s_count = 0;
|
|
if (++s_count == 50)
|
|
{
|
|
TRACE_INFO(boost::format("%d") % (1000 / tickDelta));
|
|
s_count = 0;
|
|
}
|
|
#endif
|
|
|
|
System::UpdateWindow(static_cast<float>(tickDelta) / 1000);
|
|
System::RenderWindow();
|
|
}
|