80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
#include "paintselection.h"
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#include "project.h"
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#include "metatile.h"
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#include "log.h"
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bool MetatileSelection::paintNormal(int index, Block *block, Map *map, StampLayer stampLayer) {
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MetatileSelectionItem item = this->metatileItems.at(index);
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if (!item.enabled)
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return false;
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block->metatileId = item.metatileId;
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if (this->hasCollision && this->collisionItems.length() == this->metatileItems.length()) {
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CollisionSelectionItem collisionItem = this->collisionItems.at(index);
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block->collision = collisionItem.collision;
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block->elevation = collisionItem.elevation;
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}
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return true;
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}
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int getLayerOffset(StampLayer stampLayer) {
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switch (stampLayer)
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{
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case StampLayer::STAMP_LAYER_BOTTOM:
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return 0;
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case StampLayer::STAMP_LAYER_TOP:
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return 4;
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default:
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return 0;
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}
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}
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bool StampSelection::paintNormal(int index, Block *block, Map *map, StampLayer stampLayer) {
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Tileset *primaryTileset = map->layout->tileset_primary;
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Tileset *secondaryTileset = map->layout->tileset_secondary;
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// 1. Build metatile by applying the stamp to the existing block.
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Metatile metatile = *(Tileset::getMetatile(block->metatileId, map->layout->tileset_primary, map->layout->tileset_secondary));
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int baseOffset = getLayerOffset(stampLayer);
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metatile.tiles[baseOffset] = Tile(0x5, false, false, 2);
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metatile.tiles[baseOffset + 1] = Tile(0x5, true, false, 2);
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metatile.tiles[baseOffset + 2] = Tile(0x15, false, false, 2);
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metatile.tiles[baseOffset + 3] = Tile(0x15, true, false, 2);
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// 2. Check if the metatile already exists in the map layout's primary or secondary tilesets.
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bool exists = false;
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uint16_t metatileId = 0;
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uint16_t i = 0;
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for (auto m : primaryTileset->metatiles) {
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if (*m == metatile) {
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exists = true;
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metatileId = i;
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break;
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}
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i++;
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}
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if (!exists) {
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i = Project::getNumMetatilesPrimary();
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for (auto m : secondaryTileset->metatiles) {
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if (*m == metatile) {
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exists = true;
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metatileId = i;
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break;
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}
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i++;
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}
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}
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// 3. If the metatile doesn't exist, append the new metatile to the secondary tileset.
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if (!exists) {
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int maxSecondaryMetatiles = Project::getNumMetatilesTotal() - Project::getNumMetatilesPrimary();
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if (secondaryTileset->metatiles.length() >= maxSecondaryMetatiles) {
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return false;
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}
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secondaryTileset->metatiles.append(new Metatile(metatile));
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metatileId = Project::getNumMetatilesPrimary() + secondaryTileset->metatiles.length() - 1;
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}
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// 4. Set the block's metatile id.
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block->metatileId = metatileId;
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return true;
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}
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