1/* Copyright (c) 2013-2016 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "TileView.h"
  7
  8#include "GBAApp.h"
  9
 10#include <QFontDatabase>
 11#include <QTimer>
 12
 13extern "C" {
 14#include "gba/gba.h"
 15}
 16
 17using namespace QGBA;
 18
 19TileView::TileView(GameController* controller, QWidget* parent)
 20	: QWidget(parent)
 21	, m_controller(controller)
 22	, m_paletteId(0)
 23{
 24	m_ui.setupUi(this);
 25	GBAVideoTileCacheInit(&m_tileCache);
 26
 27	m_ui.preview->setDimensions(QSize(8, 8));
 28	m_updateTimer.setSingleShot(true);
 29	m_updateTimer.setInterval(10);
 30	connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateTiles()));
 31
 32	const QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
 33
 34	m_ui.tileId->setFont(font);
 35	m_ui.address->setFont(font);
 36
 37	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), &m_updateTimer, SLOT(start()));
 38	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(close()));
 39	connect(m_ui.tiles, SIGNAL(indexPressed(int)), this, SLOT(selectIndex(int)));
 40	connect(m_ui.paletteId, SIGNAL(valueChanged(int)), this, SLOT(updatePalette(int)));
 41	connect(m_ui.palette256, SIGNAL(toggled(bool)), this, SLOT(updateTiles()));
 42}
 43
 44TileView::~TileView() {
 45	if (m_controller->isLoaded() && m_controller->thread() && m_controller->thread()->core) {
 46		GBA* gba = static_cast<GBA*>(m_controller->thread()->core->board);
 47		gba->video.renderer->cache = nullptr;
 48	}
 49
 50	GBAVideoTileCacheDeinit(&m_tileCache);
 51}
 52
 53void TileView::selectIndex(int index) {
 54	const uint16_t* data;
 55	m_ui.tileId->setText(QString::number(index));
 56	if (m_ui.palette256->isChecked()) {
 57		m_ui.address->setText(tr("0x%0").arg(index * 64 | BASE_VRAM, 8, 16, QChar('0')));
 58		if (index < 1024) {
 59			data = GBAVideoTileCacheGetTile256(&m_tileCache, index, 0);
 60		} else {
 61			data = GBAVideoTileCacheGetTile256(&m_tileCache, index, 1);
 62		}
 63	} else {
 64		m_ui.address->setText(tr("0x%0").arg(index * 32 | BASE_VRAM, 8, 16, QChar('0')));
 65		if (index < 2048) {
 66			data = GBAVideoTileCacheGetTile16(&m_tileCache, index, m_paletteId);
 67		} else {
 68			data = GBAVideoTileCacheGetTile16(&m_tileCache, index, m_paletteId + 16);
 69		}
 70	}
 71	for (int i = 0; i < 64; ++i) {
 72		m_ui.preview->setColor(i, data[i]);
 73	}
 74	m_ui.preview->update();
 75}
 76
 77void TileView::updateTiles(bool force) {
 78	if (!m_controller->thread() || !m_controller->thread()->core) {
 79		return;
 80	}
 81
 82	GBA* gba = static_cast<GBA*>(m_controller->thread()->core->board);
 83	GBAVideoTileCacheAssociate(&m_tileCache, &gba->video);
 84
 85	if (m_ui.palette256->isChecked()) {
 86		m_ui.tiles->setTileCount(1536);
 87		for (int i = 0; i < 1024; ++i) {
 88			const uint16_t* data = GBAVideoTileCacheGetTile256IfDirty(&m_tileCache, i, 0);
 89			if (data) {
 90				m_ui.tiles->setTile(i, data);
 91			} else if (force) {
 92				m_ui.tiles->setTile(i, GBAVideoTileCacheGetTile256(&m_tileCache, i, 0));
 93			}
 94		}
 95		for (int i = 1024; i < 1536; ++i) {
 96			const uint16_t* data = GBAVideoTileCacheGetTile256IfDirty(&m_tileCache, i, 1);
 97			if (data) {
 98				m_ui.tiles->setTile(i, data);
 99			} else if (force) {
100				m_ui.tiles->setTile(i, GBAVideoTileCacheGetTile256(&m_tileCache, i, 1));
101			}
102		}
103	} else {
104		m_ui.tiles->setTileCount(3072);
105		for (int i = 0; i < 2048; ++i) {
106			const uint16_t* data = GBAVideoTileCacheGetTile16IfDirty(&m_tileCache, i, m_paletteId);
107			if (data) {
108				m_ui.tiles->setTile(i, data);
109			} else if (force) {
110				m_ui.tiles->setTile(i, GBAVideoTileCacheGetTile16(&m_tileCache, i, m_paletteId));
111			}
112		}
113		for (int i = 2048; i < 3072; ++i) {
114			const uint16_t* data = GBAVideoTileCacheGetTile16IfDirty(&m_tileCache, i, m_paletteId + 16);
115			if (data) {
116				m_ui.tiles->setTile(i, data);
117			} else if (force) {
118				m_ui.tiles->setTile(i, GBAVideoTileCacheGetTile16(&m_tileCache, i, m_paletteId + 16));
119			}
120		}
121	}
122}
123
124void TileView::updatePalette(int palette) {
125	m_paletteId = palette;
126	updateTiles();
127}
128
129void TileView::resizeEvent(QResizeEvent*) {
130	updateTiles(true);
131}
132
133void TileView::showEvent(QShowEvent*) {
134	m_updateTimer.start();
135}