clooneljump/src/jumping/tiledwallpaper.cpp

130 lines
4.7 KiB
C++

/*
Copyright 2014 Michele "King_DuckZ" Santullo
This file is part of CloonelJump.
CloonelJump 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.
CloonelJump 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 CloonelJump. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tiledwallpaper.hpp"
#include "texture.hpp"
#include "sdlmain.hpp"
#include "sizeratio.hpp"
#include "compatibility.h"
#include <cassert>
#include <iostream>
namespace cloonel {
namespace {
float2 CountTilesInScreen ( const ushort2& parScreenSize, const ushort2& parTileSize ) a_pure;
///----------------------------------------------------------------------
///----------------------------------------------------------------------
float2 CountTilesInScreen (const ushort2& parScreenSize, const ushort2& parTileSize) {
assert(ushort2(0) != parTileSize);
return vector_cast<float2>((parTileSize - 1U + parScreenSize) / parTileSize);
}
} //unnamed namespace
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
TiledWallpaper::TiledWallpaper (const std::string&& parPath, SDLMain* parMain) :
Drawable(128.0f, 128.0f),
m_tileCount(parMain, ushort2(128)),
m_tile(new Texture(parPath, parMain, false))
#if defined(WITH_DEBUG_VISUALS)
, m_midscreen(parMain,
Colour(80, 250, 6),
short2(0),
short2(1)
)
#endif
{
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
TiledWallpaper::~TiledWallpaper() noexcept {
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void TiledWallpaper::Reload() {
m_tile->Reload();
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void TiledWallpaper::Destroy() noexcept {
m_tile->Destroy();
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void TiledWallpaper::Draw() const {
const ushort2 grid(vector_cast<ushort2>(m_tileCount.tileCount()));
const float2& sz = m_tileCount.tileSize();
//TODO: add code to tell the renderer if the current tile will need clipping or not
float2 dest;
dest.y() = 0.0f;
for (uint16_t y = 0; y < grid.y(); ++y) {
dest.x() = 0.0f;
for (uint16_t x = 0; x < grid.x(); ++x) {
m_tile->Render(dest, sz, float2(1.0f), true);
dest.x() += sz.x();
}
dest.y() += sz.y();
}
#if defined(WITH_DEBUG_VISUALS)
//std::cout << "drawing line at " << WidthHeight() * float2(1.0f, 0.5f);
//std::cout << " to " << m_tileCount.screenRes() << "\n";
m_midscreen.Render(WidthHeight() * float2(1.0f, 0.5f), m_tileCount.screenRes());
#endif
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
TiledWallpaper::TileCountNotifiable::TileCountNotifiable (SDLMain* parMain, const ushort2& parTileSize) :
BaseClass(parMain, this),
m_tileCount(CountTilesInScreen(parMain->WidthHeight(), parTileSize)),
m_tileSize(vector_cast<float2>(parTileSize))
#if defined(WITH_DEBUG_VISUALS)
, m_screenRes(1.0f)
#endif
{
assert(parMain);
assert(ushort2(0) != parTileSize);
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void TiledWallpaper::TileCountNotifiable::OnResChanged (const SizeRatio& parSize) {
std::cout << "Autoregistering" << std::endl;
m_tileCount = CountTilesInScreen(vector_cast<ushort2>(parSize.Resolution()), vector_cast<ushort2>(m_tileSize));
#if defined(WITH_DEBUG_VISUALS)
m_screenRes = parSize.Resolution();
#endif
#if !defined(NDEBUG)
{
m_screenRes = parSize.Resolution();
const ushort2 tileSize(vector_cast<ushort2>(m_tileSize));
const ushort2 screenRes(vector_cast<ushort2>(parSize.Resolution()));
const ushort2 tileCount(vector_cast<ushort2>(m_tileCount));
assert(tileCount * tileSize < screenRes + tileSize);
}
#endif
}
} //namespace cloonel