149 lines
3.3 KiB
C++
149 lines
3.3 KiB
C++
// Meteor - A Nintendo Gameboy Advance emulator
|
|
// Copyright (C) 2009-2011 Philippe Daouadi
|
|
//
|
|
// 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/>.
|
|
|
|
#ifndef __GRAPHICS_SCREEN_H__
|
|
#define __GRAPHICS_SCREEN_H__
|
|
|
|
#include "bglayer.hpp"
|
|
#include "objects.hpp"
|
|
#include "renderer.hpp"
|
|
|
|
#include <stdint.h>
|
|
#include <istream>
|
|
#include <ostream>
|
|
|
|
namespace AMeteor
|
|
{
|
|
namespace Graphics
|
|
{
|
|
class Screen
|
|
{
|
|
public :
|
|
static const uint8_t WIDTH = 240;
|
|
static const uint8_t HEIGHT = 160;
|
|
|
|
// we skip x frames every FRMSKIP_TOTAL frames
|
|
static const uint8_t FRMSKIP_TOTAL = 10;
|
|
|
|
Screen (Memory& memory, Io& io);
|
|
~Screen ();
|
|
|
|
Renderer& GetRenderer()
|
|
{
|
|
return m_renderer;
|
|
}
|
|
const Renderer& GetRenderer() const
|
|
{
|
|
return m_renderer;
|
|
}
|
|
|
|
const uint16_t* GetSurface () const
|
|
{
|
|
return m_surface;
|
|
}
|
|
|
|
void SetFrameskip (uint8_t skip)
|
|
{
|
|
m_frameskip = skip;
|
|
m_curframe = 0;
|
|
}
|
|
|
|
void DrawLine (uint8_t line);
|
|
|
|
void UpdateDispCnt (uint16_t dispcnt)
|
|
{
|
|
m_dispcnt = dispcnt;
|
|
}
|
|
|
|
#define UPDATE_BG_CNT(num) \
|
|
void UpdateBg##num##Cnt (uint16_t cnt) \
|
|
{ \
|
|
m_bgLayer##num.UpdateCnt(cnt); \
|
|
}
|
|
UPDATE_BG_CNT(0)
|
|
UPDATE_BG_CNT(1)
|
|
UPDATE_BG_CNT(2)
|
|
UPDATE_BG_CNT(3)
|
|
#undef UPDATE_BG_CNT
|
|
|
|
#define UPDATE_BG_OFF(num, coord) \
|
|
void UpdateBg##num##coord##Off (uint16_t off) \
|
|
{ \
|
|
m_bgLayer##num.Update##coord##Off(off); \
|
|
}
|
|
UPDATE_BG_OFF(0, X)
|
|
UPDATE_BG_OFF(0, Y)
|
|
UPDATE_BG_OFF(1, X)
|
|
UPDATE_BG_OFF(1, Y)
|
|
UPDATE_BG_OFF(2, X)
|
|
UPDATE_BG_OFF(2, Y)
|
|
UPDATE_BG_OFF(3, X)
|
|
UPDATE_BG_OFF(3, Y)
|
|
#undef UPDATE_BG_OFF
|
|
|
|
#define UPDATE_BG_REF(num, coord) \
|
|
void UpdateBg##num##Ref##coord(int32_t x) \
|
|
{ \
|
|
m_ref##coord##num = (x & (0x1 << 27)) ? x | 0xF0000000 : x & 0x07FFFFFF; \
|
|
}
|
|
UPDATE_BG_REF(2, X)
|
|
UPDATE_BG_REF(2, Y)
|
|
UPDATE_BG_REF(3, X)
|
|
UPDATE_BG_REF(3, Y)
|
|
#undef UPDATE_BG_REF
|
|
|
|
void OamWrite (uint32_t begin, uint32_t end)
|
|
{
|
|
m_objs.OamWrite (begin, end);
|
|
}
|
|
void OamWrite16 (uint32_t add)
|
|
{
|
|
m_objs.OamWrite16 (add);
|
|
}
|
|
void OamWrite32 (uint32_t add)
|
|
{
|
|
m_objs.OamWrite32 (add);
|
|
}
|
|
|
|
bool SaveState (std::ostream& stream);
|
|
bool LoadState (std::istream& stream);
|
|
|
|
private :
|
|
Io& m_io;
|
|
|
|
uint16_t* m_surface;
|
|
|
|
Renderer m_renderer;
|
|
|
|
uint8_t m_frameskip, m_curframe;
|
|
|
|
uint16_t m_dispcnt;
|
|
int32_t m_refX2, m_refY2, m_refX3, m_refY3;
|
|
uint16_t* m_pPalette;
|
|
|
|
// FIXME is this REALLY useful ?
|
|
static BgLayer Screen::* const BgLayers [4];
|
|
BgLayer m_bgLayer0, m_bgLayer1, m_bgLayer2, m_bgLayer3;
|
|
Objects m_objs;
|
|
|
|
void DrawWindow (uint8_t line, uint8_t* surface,
|
|
uint16_t win0v, uint16_t win0h, uint8_t mask);
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|