porymap/src/core/maplayout.cpp
2024-04-18 14:38:15 -04:00

423 lines
14 KiB
C++

#include "maplayout.h"
#include <QRegularExpression>
#include "scripting.h"
#include "imageproviders.h"
Layout *Layout::copy() {
Layout *layout = new Layout;
layout->copyFrom(this);
return layout;
}
void Layout::copyFrom(Layout *other) {
this->id = other->id;
this->name = other->name;
this->width = other->width;
this->height = other->height;
this->border_width = other->border_width;
this->border_height = other->border_height;
this->border_path = other->border_path;
this->blockdata_path = other->blockdata_path;
this->tileset_primary_label = other->tileset_primary_label;
this->tileset_secondary_label = other->tileset_secondary_label;
this->tileset_primary = other->tileset_primary;
this->tileset_secondary = other->tileset_secondary;
this->blockdata = other->blockdata;
this->border = other->border;
}
QString Layout::layoutConstantFromName(QString mapName) {
// Transform map names of the form 'GraniteCave_B1F` into layout constants like 'LAYOUT_GRANITE_CAVE_B1F'.
static const QRegularExpression caseChange("([a-z])([A-Z])");
QString nameWithUnderscores = mapName.replace(caseChange, "\\1_\\2");
QString withMapAndUppercase = "LAYOUT_" + nameWithUnderscores.toUpper();
static const QRegularExpression underscores("_+");
QString constantName = withMapAndUppercase.replace(underscores, "_");
// Handle special cases.
// SSTidal should be SS_TIDAL, rather than SSTIDAL
constantName = constantName.replace("SSTIDAL", "SS_TIDAL");
return constantName;
}
int Layout::getWidth() {
return width;
}
int Layout::getHeight() {
return height;
}
int Layout::getBorderWidth() {
return border_width;
}
int Layout::getBorderHeight() {
return border_height;
}
bool Layout::isWithinBounds(int x, int y) {
return (x >= 0 && x < this->getWidth() && y >= 0 && y < this->getHeight());
}
bool Layout::isWithinBorderBounds(int x, int y) {
return (x >= 0 && x < this->getBorderWidth() && y >= 0 && y < this->getBorderHeight());
}
bool Layout::getBlock(int x, int y, Block *out) {
if (isWithinBounds(x, y)) {
int i = y * getWidth() + x;
*out = this->blockdata.value(i);
return true;
}
return false;
}
void Layout::setBlock(int x, int y, Block block, bool enableScriptCallback) {
if (!isWithinBounds(x, y)) return;
int i = y * getWidth() + x;
if (i < this->blockdata.size()) {
Block prevBlock = this->blockdata.at(i);
this->blockdata.replace(i, block);
if (enableScriptCallback) {
Scripting::cb_MetatileChanged(x, y, prevBlock, block);
}
}
}
void Layout::setBlockdata(Blockdata newBlockdata, bool enableScriptCallback) {
int width = getWidth();
int size = qMin(newBlockdata.size(), this->blockdata.size());
for (int i = 0; i < size; i++) {
Block prevBlock = this->blockdata.at(i);
Block newBlock = newBlockdata.at(i);
if (prevBlock != newBlock) {
this->blockdata.replace(i, newBlock);
if (enableScriptCallback)
Scripting::cb_MetatileChanged(i % width, i / width, prevBlock, newBlock);
}
}
}
void Layout::clearBorderCache() {
this->cached_border.clear();
}
void Layout::cacheBorder() {
this->cached_border.clear();
for (const auto &block : this->border)
this->cached_border.append(block);
}
void Layout::cacheBlockdata() {
this->cached_blockdata.clear();
for (const auto &block : this->blockdata)
this->cached_blockdata.append(block);
}
void Layout::cacheCollision() {
this->cached_collision.clear();
for (const auto &block : this->blockdata)
this->cached_collision.append(block);
}
bool Layout::layoutBlockChanged(int i, const Blockdata &cache) {
if (cache.length() <= i)
return true;
if (this->blockdata.length() <= i)
return true;
return this->blockdata.at(i) != cache.at(i);
}
uint16_t Layout::getBorderMetatileId(int x, int y) {
int i = y * getBorderWidth() + x;
return this->border[i].metatileId();
}
void Layout::setBorderMetatileId(int x, int y, uint16_t metatileId, bool enableScriptCallback) {
int i = y * getBorderWidth() + x;
if (i < this->border.size()) {
uint16_t prevMetatileId = this->border[i].metatileId();
this->border[i].setMetatileId(metatileId);
if (prevMetatileId != metatileId && enableScriptCallback) {
Scripting::cb_BorderMetatileChanged(x, y, prevMetatileId, metatileId);
}
}
}
void Layout::setBorderBlockData(Blockdata newBlockdata, bool enableScriptCallback) {
int width = getBorderWidth();
int size = qMin(newBlockdata.size(), this->border.size());
for (int i = 0; i < size; i++) {
Block prevBlock = this->border.at(i);
Block newBlock = newBlockdata.at(i);
if (prevBlock != newBlock) {
this->border.replace(i, newBlock);
if (enableScriptCallback)
Scripting::cb_BorderMetatileChanged(i % width, i / width, prevBlock.metatileId(), newBlock.metatileId());
}
}
}
void Layout::setDimensions(int newWidth, int newHeight, bool setNewBlockdata, bool enableScriptCallback) {
if (setNewBlockdata) {
setNewDimensionsBlockdata(newWidth, newHeight);
}
int oldWidth = this->width;
int oldHeight = this->height;
this->width = newWidth;
this->height = newHeight;
if (enableScriptCallback && (oldWidth != newWidth || oldHeight != newHeight)) {
Scripting::cb_MapResized(oldWidth, oldHeight, newWidth, newHeight);
}
emit layoutChanged(this);
emit layoutDimensionsChanged(QSize(getWidth(), getHeight()));
}
void Layout::setBorderDimensions(int newWidth, int newHeight, bool setNewBlockdata, bool enableScriptCallback) {
if (setNewBlockdata) {
setNewBorderDimensionsBlockdata(newWidth, newHeight);
}
int oldWidth = this->border_width;
int oldHeight = this->border_height;
this->border_width = newWidth;
this->border_height = newHeight;
if (enableScriptCallback && (oldWidth != newWidth || oldHeight != newHeight)) {
Scripting::cb_BorderResized(oldWidth, oldHeight, newWidth, newHeight);
}
emit layoutChanged(this);
}
void Layout::setNewDimensionsBlockdata(int newWidth, int newHeight) {
int oldWidth = getWidth();
int oldHeight = getHeight();
Blockdata newBlockdata;
for (int y = 0; y < newHeight; y++)
for (int x = 0; x < newWidth; x++) {
if (x < oldWidth && y < oldHeight) {
int index = y * oldWidth + x;
newBlockdata.append(this->blockdata.value(index));
} else {
newBlockdata.append(0);
}
}
this->blockdata = newBlockdata;
}
void Layout::setNewBorderDimensionsBlockdata(int newWidth, int newHeight) {
int oldWidth = getBorderWidth();
int oldHeight = getBorderHeight();
Blockdata newBlockdata;
for (int y = 0; y < newHeight; y++)
for (int x = 0; x < newWidth; x++) {
if (x < oldWidth && y < oldHeight) {
int index = y * oldWidth + x;
newBlockdata.append(this->border.value(index));
} else {
newBlockdata.append(0);
}
}
this->border = newBlockdata;
}
void Layout::_floodFillCollisionElevation(int x, int y, uint16_t collision, uint16_t elevation) {
QList<QPoint> todo;
todo.append(QPoint(x, y));
while (todo.length()) {
QPoint point = todo.takeAt(0);
x = point.x();
y = point.y();
Block block;
if (!getBlock(x, y, &block)) {
continue;
}
uint old_coll = block.collision();
uint old_elev = block.elevation();
if (old_coll == collision && old_elev == elevation) {
continue;
}
block.setCollision(collision);
block.setElevation(elevation);
setBlock(x, y, block, true);
if (getBlock(x + 1, y, &block) && block.collision() == old_coll && block.elevation() == old_elev) {
todo.append(QPoint(x + 1, y));
}
if (getBlock(x - 1, y, &block) && block.collision() == old_coll && block.elevation()== old_elev) {
todo.append(QPoint(x - 1, y));
}
if (getBlock(x, y + 1, &block) && block.collision() == old_coll && block.elevation() == old_elev) {
todo.append(QPoint(x, y + 1));
}
if (getBlock(x, y - 1, &block) && block.collision() == old_coll && block.elevation() == old_elev) {
todo.append(QPoint(x, y - 1));
}
}
}
void Layout::floodFillCollisionElevation(int x, int y, uint16_t collision, uint16_t elevation) {
Block block;
if (getBlock(x, y, &block) && (block.collision() != collision || block.elevation() != elevation)) {
_floodFillCollisionElevation(x, y, collision, elevation);
}
}
void Layout::magicFillCollisionElevation(int initialX, int initialY, uint16_t collision, uint16_t elevation) {
Block block;
if (getBlock(initialX, initialY, &block) && (block.collision() != collision || block.elevation() != elevation)) {
uint old_coll = block.collision();
uint old_elev = block.elevation();
for (int y = 0; y < getHeight(); y++) {
for (int x = 0; x < getWidth(); x++) {
if (getBlock(x, y, &block) && block.collision() == old_coll && block.elevation() == old_elev) {
block.setCollision(collision);
block.setElevation(elevation);
setBlock(x, y, block, true);
}
}
}
}
}
QPixmap Layout::render(bool ignoreCache, Layout *fromLayout, QRect bounds) {
bool changed_any = false;
int width_ = getWidth();
int height_ = getHeight();
if (image.isNull() || image.width() != width_ * 16 || image.height() != height_ * 16) {
image = QImage(width_ * 16, height_ * 16, QImage::Format_RGBA8888);
changed_any = true;
}
if (this->blockdata.isEmpty() || !width_ || !height_) {
pixmap = pixmap.fromImage(image);
return pixmap;
}
QPainter painter(&image);
for (int i = 0; i < this->blockdata.length(); i++) {
if (!ignoreCache && !layoutBlockChanged(i, this->cached_blockdata)) {
continue;
}
changed_any = true;
int map_y = width_ ? i / width_ : 0;
int map_x = width_ ? i % width_ : 0;
if (bounds.isValid() && !bounds.contains(map_x, map_y)) {
continue;
}
QPoint metatile_origin = QPoint(map_x * 16, map_y * 16);
Block block = this->blockdata.at(i);
QImage metatile_image = getMetatileImage(
block.metatileId(),
fromLayout ? fromLayout->tileset_primary : this->tileset_primary,
fromLayout ? fromLayout->tileset_secondary : this->tileset_secondary,
metatileLayerOrder,
metatileLayerOpacity
);
painter.drawImage(metatile_origin, metatile_image);
}
painter.end();
if (changed_any) {
cacheBlockdata();
pixmap = pixmap.fromImage(image);
}
return pixmap;
}
QPixmap Layout::renderCollision(bool ignoreCache) {
bool changed_any = false;
int width_ = getWidth();
int height_ = getHeight();
if (collision_image.isNull() || collision_image.width() != width_ * 16 || collision_image.height() != height_ * 16) {
collision_image = QImage(width_ * 16, height_ * 16, QImage::Format_RGBA8888);
changed_any = true;
}
if (this->blockdata.isEmpty() || !width_ || !height_) {
collision_pixmap = collision_pixmap.fromImage(collision_image);
return collision_pixmap;
}
QPainter painter(&collision_image);
for (int i = 0; i < this->blockdata.length(); i++) {
if (!ignoreCache && !layoutBlockChanged(i, this->cached_collision)) {
continue;
}
changed_any = true;
Block block = this->blockdata.at(i);
QImage collision_metatile_image = getCollisionMetatileImage(block);
int map_y = width_ ? i / width_ : 0;
int map_x = width_ ? i % width_ : 0;
QPoint metatile_origin = QPoint(map_x * 16, map_y * 16);
painter.drawImage(metatile_origin, collision_metatile_image);
}
painter.end();
cacheCollision();
if (changed_any) {
collision_pixmap = collision_pixmap.fromImage(collision_image);
}
return collision_pixmap;
}
QPixmap Layout::renderBorder(bool ignoreCache) {
bool changed_any = false, border_resized = false;
int width_ = getBorderWidth();
int height_ = getBorderHeight();
if (this->border_image.isNull()) {
this->border_image = QImage(width_ * 16, height_ * 16, QImage::Format_RGBA8888);
changed_any = true;
}
if (this->border_image.width() != width_ * 16 || this->border_image.height() != height_ * 16) {
this->border_image = QImage(width_ * 16, height_ * 16, QImage::Format_RGBA8888);
border_resized = true;
}
if (this->border.isEmpty()) {
this->border_pixmap = this->border_pixmap.fromImage(this->border_image);
return this->border_pixmap;
}
QPainter painter(&this->border_image);
for (int i = 0; i < this->border.length(); i++) {
if (!ignoreCache && (!border_resized && !layoutBlockChanged(i, this->cached_border))) {
continue;
}
changed_any = true;
Block block = this->border.at(i);
uint16_t metatileId = block.metatileId();
QImage metatile_image = getMetatileImage(metatileId, this->tileset_primary, this->tileset_secondary, metatileLayerOrder, metatileLayerOpacity);
int map_y = width_ ? i / width_ : 0;
int map_x = width_ ? i % width_ : 0;
painter.drawImage(QPoint(map_x * 16, map_y * 16), metatile_image);
}
painter.end();
if (changed_any) {
cacheBorder();
this->border_pixmap = this->border_pixmap.fromImage(this->border_image);
}
return this->border_pixmap;
}
QPixmap Layout::getLayoutItemPixmap() {
return this->layoutItem ? this->layoutItem->pixmap() : QPixmap();
}
bool Layout::hasUnsavedChanges() {
return !this->editHistory.isClean();
}