237 lines
6.3 KiB
C++
237 lines
6.3 KiB
C++
#include "overworld.h"
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#include "app/gfx/snes_tile.h"
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#include "app/rom.h"
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namespace yaze {
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namespace app {
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namespace zelda3 {
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absl::Status Overworld::Load(ROM &rom, uchar *ow_blockset) {
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rom_ = rom;
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AssembleMap32Tiles();
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AssembleMap16Tiles();
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auto decompression_status = DecompressAllMapTiles();
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if (!decompression_status.ok()) {
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std::cout << decompression_status.ToString() << std::endl;
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return decompression_status;
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}
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for (int map_index = 0; map_index < core::NumberOfOWMaps; ++map_index)
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overworld_maps_.emplace_back(map_index, rom_, tiles16);
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FetchLargeMaps();
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auto size = tiles16.size();
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for (int i = 0; i < core::NumberOfOWMaps; ++i) {
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auto map_status =
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overworld_maps_[i].BuildMapV2(size, game_state_, map_parent_);
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if (!map_status.ok()) {
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return map_status;
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}
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}
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is_loaded_ = true;
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return absl::OkStatus();
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}
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ushort Overworld::GenerateTile32(int i, int k, int dimension) {
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return (ushort)(rom_[map32address[dimension] + k + (i)] +
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(((rom_[map32address[dimension] + (i) + (k <= 1 ? 4 : 5)] >>
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(k % 2 == 0 ? 4 : 0)) &
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0x0F) *
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256));
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}
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void Overworld::AssembleMap32Tiles() {
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for (int i = 0; i < 0x33F0; i += 6) {
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ushort tl, tr, bl, br;
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for (int k = 0; k < 4; k++) {
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tl = GenerateTile32(i, k, (int)Dimension::map32TilesTL);
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tr = GenerateTile32(i, k, (int)Dimension::map32TilesTR);
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bl = GenerateTile32(i, k, (int)Dimension::map32TilesBL);
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br = GenerateTile32(i, k, (int)Dimension::map32TilesBR);
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tiles32.push_back(gfx::Tile32(tl, tr, bl, br));
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}
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}
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map_tiles_.light_world.resize(kTile32Num);
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map_tiles_.dark_world.resize(kTile32Num);
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map_tiles_.special_world.resize(kTile32Num);
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for (int i = 0; i < kTile32Num; i++) {
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map_tiles_.light_world[i].resize(kTile32Num);
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map_tiles_.dark_world[i].resize(kTile32Num);
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map_tiles_.special_world[i].resize(kTile32Num);
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}
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}
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void Overworld::AssembleMap16Tiles() {
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int tpos = core::map16Tiles;
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for (int i = 0; i < 4096; i += 1) {
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auto t0 = gfx::GetTilesInfo((uintptr_t)(rom_ + tpos));
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tpos += 2;
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auto t1 = gfx::GetTilesInfo((uintptr_t)(rom_ + tpos));
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tpos += 2;
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auto t2 = gfx::GetTilesInfo((uintptr_t)(rom_ + tpos));
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tpos += 2;
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auto t3 = gfx::GetTilesInfo((uintptr_t)(rom_ + tpos));
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tpos += 2;
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tiles16.emplace_back(t0, t1, t2, t3);
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}
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}
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void Overworld::AssignWorldTiles(OWBlockset &world, int x, int y, int sx,
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int sy, int tpos) {
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int position_x1 = (x * 2) + (sx * 32);
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int position_y1 = (y * 2) + (sy * 32);
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int position_x2 = (x * 2) + 1 + (sx * 32);
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int position_y2 = (y * 2) + 1 + (sy * 32);
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world[position_x1][position_y1] = tiles32[tpos].tile0_;
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world[position_x2][position_y1] = tiles32[tpos].tile1_;
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world[position_x1][position_y2] = tiles32[tpos].tile2_;
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world[position_x2][position_y2] = tiles32[tpos].tile3_;
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}
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absl::Status Overworld::DecompressAllMapTiles() {
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int lowest = 0x0FFFFF;
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int highest = 0x0F8000;
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int sx = 0;
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int sy = 0;
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int c = 0;
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for (int i = 0; i < 160; i++) {
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int map_high_ptr = core::compressedAllMap32PointersHigh;
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int p1 = (rom_[(map_high_ptr) + 2 + (3 * i)] << 16) +
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(rom_[(map_high_ptr) + 1 + (3 * i)] << 8) +
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(rom_[(map_high_ptr + (3 * i))]);
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p1 = core::SnesToPc(p1);
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int map_low_ptr = core::compressedAllMap32PointersLow;
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int p2 = (rom_[(map_low_ptr) + 2 + (3 * i)] << 16) +
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(rom_[(map_low_ptr) + 1 + (3 * i)] << 8) +
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(rom_[(map_low_ptr + (3 * i))]);
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p2 = core::SnesToPc(p2);
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int ttpos = 0;
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if (p1 >= highest) {
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highest = p1;
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}
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if (p2 >= highest) {
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highest = p2;
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}
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if (p1 <= lowest && p1 > 0x0F8000) {
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lowest = p1;
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}
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if (p2 <= lowest && p2 > 0x0F8000) {
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lowest = p2;
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}
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auto status_bytes = rom_.DecompressOverworld(p2, 1000);
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if (!status_bytes.ok()) {
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return status_bytes.status();
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}
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auto bytes = std::move(*status_bytes);
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auto status_bytes2 = rom_.DecompressOverworld(p1, 1000);
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if (!status_bytes2.ok()) {
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return status_bytes2.status();
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}
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auto bytes2 = std::move(*status_bytes2);
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for (int y = 0; y < 16; y++) {
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for (int x = 0; x < 16; x++) {
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auto tidD = (ushort)((bytes2[ttpos] << 8) + bytes[ttpos]);
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int tpos = tidD;
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if (tpos < tiles32.size()) {
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if (i < 64) {
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AssignWorldTiles(map_tiles_.light_world, x, y, sx, sy, tpos);
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} else if (i < 128 && i >= 64) {
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AssignWorldTiles(map_tiles_.dark_world, x, y, sx, sy, tpos);
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} else {
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AssignWorldTiles(map_tiles_.special_world, x, y, sx, sy, tpos);
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}
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}
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ttpos += 1;
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}
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}
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sx++;
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if (sx >= 8) {
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sy++;
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sx = 0;
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}
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c++;
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if (c >= 64) {
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sx = 0;
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sy = 0;
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c = 0;
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}
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}
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std::cout << "MapPointers(lowest) : " << lowest << std::endl;
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std::cout << "MapPointers(highest) : " << highest << std::endl;
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return absl::OkStatus();
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}
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void Overworld::FetchLargeMaps() {
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for (int i = 128; i < 145; i++) {
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map_parent_[i] = 0;
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}
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map_parent_[128] = 128;
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map_parent_[129] = 129;
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map_parent_[130] = 129;
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map_parent_[137] = 129;
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map_parent_[138] = 129;
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map_parent_[136] = 136;
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overworld_maps_[136].SetLargeMap(false);
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bool mapChecked[64];
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for (auto &each : mapChecked) {
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each = false;
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}
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int xx = 0;
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int yy = 0;
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while (true) {
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int i = xx + (yy * 8);
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if (mapChecked[i] == false) {
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if (overworld_maps_[i].IsLargeMap() == true) {
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mapChecked[i] = true;
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map_parent_[i] = (uchar)i;
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map_parent_[i + 64] = (uchar)(i + 64);
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mapChecked[i + 1] = true;
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map_parent_[i + 1] = (uchar)i;
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map_parent_[i + 65] = (uchar)(i + 64);
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mapChecked[i + 8] = true;
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map_parent_[i + 8] = (uchar)i;
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map_parent_[i + 72] = (uchar)(i + 64);
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mapChecked[i + 9] = true;
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map_parent_[i + 9] = (uchar)i;
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map_parent_[i + 73] = (uchar)(i + 64);
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xx++;
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} else {
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map_parent_[i] = (uchar)i;
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map_parent_[i + 64] = (uchar)(i + 64);
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mapChecked[i] = true;
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}
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}
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xx++;
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if (xx >= 8) {
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xx = 0;
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yy += 1;
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if (yy >= 8) {
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break;
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}
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}
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}
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}
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} // namespace zelda3
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} // namespace app
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} // namespace yaze
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