71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
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*/
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#include <nostalgia/core/media.hpp>
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#include "tilesheeteditormodel.hpp"
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namespace nostalgia::core {
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TileSheetEditorModel::TileSheetEditorModel(Context *ctx, const ox::String &path) {
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oxRequireT(img, readObj<NostalgiaGraphic>(ctx, path.c_str()));
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m_img = *img;
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oxThrowError(readObj<NostalgiaPalette>(ctx, m_img.defaultPalette).moveTo(&m_pal));
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}
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void TileSheetEditorModel::draw(const geo::Point &pt, std::size_t palIdx) noexcept {
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if (!m_ongoingDrawCommand) {
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m_ongoingDrawCommand = new DrawCommand(&m_img, ptToIdx(pt, m_img.columns), palIdx);
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m_undoStack.push(m_ongoingDrawCommand);
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m_updated = true;
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} else {
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m_updated = m_ongoingDrawCommand->append(ptToIdx(pt, m_img.columns));
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}
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}
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void TileSheetEditorModel::endDraw() noexcept {
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m_ongoingDrawCommand = nullptr;
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}
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bool TileSheetEditorModel::updated() const noexcept {
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return m_updated;
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}
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void TileSheetEditorModel::ackUpdate() noexcept {
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m_updated = false;
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}
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void TileSheetEditorModel::getFillPixels(bool *pixels, geo::Point pt, int oldColor) const noexcept {
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const auto tileIdx = [this](const geo::Point &pt) noexcept {
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return ptToIdx(pt, img().columns) / PixelsPerTile;
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};
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// get points
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const auto leftPt = pt + geo::Point(-1, 0);
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const auto rightPt = pt + geo::Point(1, 0);
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const auto topPt = pt + geo::Point(0, -1);
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const auto bottomPt = pt + geo::Point(0, 1);
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// calculate indices
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const auto idx = ptToIdx(pt, m_img.columns);
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const auto leftIdx = ptToIdx(leftPt, m_img.columns);
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const auto rightIdx = ptToIdx(rightPt, m_img.columns);
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const auto topIdx = ptToIdx(topPt, m_img.columns);
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const auto bottomIdx = ptToIdx(bottomPt, m_img.columns);
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const auto tile = tileIdx(pt);
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// mark pixels to update
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pixels[idx % PixelsPerTile] = true;
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if (!pixels[leftIdx % PixelsPerTile] && tile == tileIdx(leftPt) && m_img.pixels[leftIdx] == oldColor) {
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getFillPixels(pixels, leftPt, oldColor);
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}
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if (!pixels[rightIdx % PixelsPerTile] && tile == tileIdx(rightPt) && m_img.pixels[rightIdx] == oldColor) {
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getFillPixels(pixels, rightPt, oldColor);
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}
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if (!pixels[topIdx % PixelsPerTile] && tile == tileIdx(topPt) && m_img.pixels[topIdx] == oldColor) {
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getFillPixels(pixels, topPt, oldColor);
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}
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if (!pixels[bottomIdx % PixelsPerTile] && tile == tileIdx(bottomPt) && m_img.pixels[bottomIdx] == oldColor) {
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getFillPixels(pixels, bottomPt, oldColor);
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}
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}
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} |