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yaze/src/app/zelda3/overworld.cc

1055 lines
36 KiB
C++
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#include "overworld.h"
#include <SDL.h>
#include <fstream>
#include <future>
#include <memory>
#include <unordered_map>
#include <vector>
#include "absl/container/flat_hash_map.h"
#include "absl/status/status.h"
#include "app/core/common.h"
#include "app/core/constants.h"
#include "app/gfx/bitmap.h"
#include "app/gfx/compression.h"
#include "app/gfx/snes_tile.h"
#include "app/rom.h"
#include "app/zelda3/overworld_map.h"
#include "app/zelda3/sprite/sprite.h"
namespace yaze {
namespace app {
namespace zelda3 {
namespace {
uint GetOwMapGfxHighPtr(const uchar *rom, int index, uint32_t map_high_ptr) {
int p1 = (rom[map_high_ptr + 2 + (3 * index)] << 16) +
(rom[map_high_ptr + 1 + (3 * index)] << 8) +
(rom[map_high_ptr + (3 * index)]);
return core::SnesToPc(p1);
}
uint GetOwMapGfxLowPtr(const uchar *rom, int index, uint32_t map_low_ptr) {
int p2 = (rom[map_low_ptr + 2 + (3 * index)] << 16) +
(rom[map_low_ptr + 1 + (3 * index)] << 8) +
(rom[map_low_ptr + (3 * index)]);
return core::SnesToPc(p2);
}
std::vector<uint64_t> GetAllTile16(OWBlockset &tiles_used) {
std::vector<uint64_t> all_tile_16; // Ensure it's 64 bits
int sx = 0;
int sy = 0;
int c = 0;
for (int i = 0; i < kNumOverworldMaps; i++) {
for (int y = 0; y < 32; y += 2) {
for (int x = 0; x < 32; x += 2) {
gfx::Tile32 current_tile(
tiles_used[x + (sx * 32)][y + (sy * 32)],
tiles_used[x + 1 + (sx * 32)][y + (sy * 32)],
tiles_used[x + (sx * 32)][y + 1 + (sy * 32)],
tiles_used[x + 1 + (sx * 32)][y + 1 + (sy * 32)]);
all_tile_16.push_back(current_tile.GetPackedValue());
}
}
sx++;
if (sx >= 8) {
sy++;
sx = 0;
}
c++;
if (c >= 64) {
sx = 0;
sy = 0;
c = 0;
}
}
return all_tile_16;
}
absl::flat_hash_map<int, MapData> parseFile(const std::string &filename) {
absl::flat_hash_map<int, MapData> resultMap;
std::ifstream file(filename);
if (!file.is_open()) {
std::cerr << "Failed to open file: " << filename << std::endl;
return resultMap;
}
std::string line;
int currentKey;
bool isHigh = true;
while (getline(file, line)) {
// Skip empty or whitespace-only lines
if (line.find_first_not_of(" \t\r\n") == std::string::npos) {
continue;
}
// If the line starts with "MAPDTH" or "MAPDTL", extract the ID.
if (line.find("MAPDTH") == 0) {
auto num_str = line.substr(6); // Extract ID after "MAPDTH"
currentKey = std::stoi(num_str);
isHigh = true;
} else if (line.find("MAPDTL") == 0) {
auto num_str = line.substr(6); // Extract ID after "MAPDTH"
currentKey = std::stoi(num_str);
isHigh = false;
} else {
// Check if the currentKey is already in the map. If not, initialize it.
if (resultMap.find(currentKey) == resultMap.end()) {
resultMap[currentKey] = MapData();
}
// Split the line by commas and convert to uint8_t.
std::stringstream ss(line);
std::string valueStr;
while (getline(ss, valueStr, ',')) {
uint8_t value = std::stoi(valueStr, nullptr, 16);
if (isHigh) {
resultMap[currentKey].highData.push_back(value);
} else {
resultMap[currentKey].lowData.push_back(value);
}
}
}
}
return resultMap;
}
} // namespace
absl::Status Overworld::Load(ROM &rom) {
rom_ = rom;
AssembleMap32Tiles();
AssembleMap16Tiles();
RETURN_IF_ERROR(DecompressAllMapTiles())
for (int map_index = 0; map_index < kNumOverworldMaps; ++map_index)
overworld_maps_.emplace_back(map_index, rom_, tiles16);
FetchLargeMaps();
LoadEntrances();
LoadExits();
RETURN_IF_ERROR(LoadOverworldMaps())
if (flags()->kDrawOverworldSprites) {
LoadSprites();
}
is_loaded_ = true;
return absl::OkStatus();
}
OWBlockset &Overworld::GetMapTiles(int world_type) {
switch (world_type) {
case 0:
return map_tiles_.light_world;
case 1:
return map_tiles_.dark_world;
case 2:
return map_tiles_.special_world;
default:
return map_tiles_.light_world;
}
}
absl::Status Overworld::LoadOverworldMaps() {
auto size = tiles16.size();
std::vector<std::future<absl::Status>> futures;
for (int i = 0; i < kNumOverworldMaps; ++i) {
int world_type = 0;
if (i >= 64 && i < 0x80) {
world_type = 1;
} else if (i >= 0x80) {
world_type = 2;
}
futures.push_back(std::async(std::launch::async, [this, i, size,
world_type]() {
return overworld_maps_[i].BuildMap(size, game_state_, world_type,
map_parent_, GetMapTiles(world_type));
}));
}
// Wait for all tasks to complete and check their results
for (auto &future : futures) {
absl::Status status = future.get();
if (!status.ok()) {
return status;
}
}
return absl::OkStatus();
}
absl::Status Overworld::SaveOverworldMaps() {
// Initialize map pointers
std::fill(map_pointers1_id.begin(), map_pointers1_id.end(), -1);
std::fill(map_pointers1_id.begin(), map_pointers1_id.end(), -1);
// Compress and save each map
int pos = 0x058000;
for (int i = 0; i < 160; i++) {
std::vector<uint8_t> single_map_1(512);
std::vector<uint8_t> single_map_2(512);
// Copy tiles32 data to single_map_1 and single_map_2
int npos = 0;
for (int y = 0; y < 16; y++) {
for (int x = 0; x < 16; x++) {
auto packed1 = tiles32[npos + (i * 256)].GetPackedValue();
auto packed2 = tiles32[npos + (i * 256) + 16].GetPackedValue();
single_map_1[npos] = static_cast<uint8_t>(packed1 & 0xFF);
single_map_2[npos] = static_cast<uint8_t>(packed2 & 0xFF);
npos++;
}
}
// Compress single_map_1 and single_map_2
ASSIGN_OR_RETURN(
auto a, gfx::lc_lz2::CompressOverworld(single_map_1.data(), 0, 256))
ASSIGN_OR_RETURN(
auto b, gfx::lc_lz2::CompressOverworld(single_map_2.data(), 0, 256))
if (a.empty() || b.empty()) {
return absl::AbortedError("Error compressing map gfx.");
}
// Save compressed data and pointers
map_data_p1[i] = a;
map_data_p2[i] = b;
if (map_pointers1_id[i] == -1) {
// Save compressed data and pointer for map1
std::copy(a.begin(), a.end(), map_data_p1[i].begin());
int snes_pos = core::PcToSnes(pos);
map_pointers1[i] = snes_pos;
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{kCompressedAllMap32PointersLow + 0 + 3 * i,
uint8_t(snes_pos & 0xFF)},
WriteAction{kCompressedAllMap32PointersLow + 1 + 3 * i,
uint8_t((snes_pos >> 8) & 0xFF)},
WriteAction{kCompressedAllMap32PointersLow + 2 + 3 * i,
uint8_t((snes_pos >> 16) & 0xFF)},
WriteAction{pos, std::vector<uint8_t>(a)}))
pos += a.size();
} else {
// Save pointer for map1
int snes_pos = map_pointers1[map_pointers1_id[i]];
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{kCompressedAllMap32PointersLow + 0 + 3 * i,
uint8_t(snes_pos & 0xFF)},
WriteAction{kCompressedAllMap32PointersLow + 1 + 3 * i,
uint8_t((snes_pos >> 8) & 0xFF)},
WriteAction{kCompressedAllMap32PointersLow + 2 + 3 * i,
uint8_t((snes_pos >> 16) & 0xFF)}))
}
if (map_pointers2_id[i] == -1) {
// Save compressed data and pointer for map2
std::copy(b.begin(), b.end(), map_data_p2[i].begin());
int snes_pos = core::PcToSnes(pos);
map_pointers2[i] = snes_pos;
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{kCompressedAllMap32PointersHigh + 0 + 3 * i,
static_cast<uint8_t>(snes_pos & 0xFF)},
WriteAction{kCompressedAllMap32PointersHigh + 1 + 3 * i,
static_cast<uint8_t>((snes_pos >> 8) & 0xFF)},
WriteAction{kCompressedAllMap32PointersHigh + 2 + 3 * i,
static_cast<uint8_t>((snes_pos >> 16) & 0xFF)},
WriteAction{pos, std::vector<uint8_t>(b)}))
pos += b.size();
} else {
// Save pointer for map2
int snes_pos = map_pointers2[map_pointers2_id[i]];
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{kCompressedAllMap32PointersHigh + 0 + 3 * i,
static_cast<uint8_t>(snes_pos & 0xFF)},
WriteAction{kCompressedAllMap32PointersHigh + 1 + 3 * i,
static_cast<uint8_t>((snes_pos >> 8) & 0xFF)},
WriteAction{kCompressedAllMap32PointersHigh + 2 + 3 * i,
static_cast<uint8_t>((snes_pos >> 16) & 0xFF)}))
}
}
// Check if too many maps data
if (pos > 0x137FFF) {
std::cerr << "Too many maps data " << std::hex << pos << std::endl;
return absl::AbortedError("Too many maps data");
}
// Save large maps
RETURN_IF_ERROR(SaveLargeMaps())
return absl::OkStatus();
}
absl::Status Overworld::SaveLargeMaps() {
for (int i = 0; i < 0x40; i++) {
int yPos = i / 8;
int xPos = i % 8;
int parentyPos = overworld_maps_[i].Parent() / 8;
int parentxPos = overworld_maps_[i].Parent() % 8;
std::unordered_map<uint8_t, uint8_t> checkedMap;
// Always write the map parent since it should not matter
RETURN_IF_ERROR(
rom()->Write(overworldMapParentId + i, overworld_maps_[i].Parent()))
if (checkedMap.count(overworld_maps_[i].Parent()) > 0) {
continue;
}
// If it's large then save parent pos *
// 0x200 otherwise pos * 0x200
if (overworld_maps_[i].IsLargeMap()) {
RETURN_IF_ERROR(rom()->RunTransaction(
// Check 1
WriteAction{overworldMapSize + i, 0x20},
WriteAction{overworldMapSize + i + 1, 0x20},
WriteAction{overworldMapSize + i + 8, 0x20},
WriteAction{overworldMapSize + i + 9, 0x20},
// Check 2
WriteAction{overworldMapSizeHighByte + i, 0x03},
WriteAction{overworldMapSizeHighByte + i + 1, 0x03},
WriteAction{overworldMapSizeHighByte + i + 8, 0x03},
WriteAction{overworldMapSizeHighByte + i + 9, 0x03},
// Check 3
WriteAction{overworldScreenSize + i, 0x00},
WriteAction{overworldScreenSize + i + 64, 0x00},
WriteAction{overworldScreenSize + i + 1, 0x00},
WriteAction{overworldScreenSize + i + 1 + 64, 0x00},
WriteAction{overworldScreenSize + i + 8, 0x00},
WriteAction{overworldScreenSize + i + 8 + 64, 0x00},
WriteAction{overworldScreenSize + i + 9, 0x00},
WriteAction{overworldScreenSize + i + 9 + 64, 0x00},
// Check 4
WriteAction{OverworldScreenSizeForLoading + i, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 64, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 128, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 1, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 1 + 64, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 1 + 128, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 8, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 8 + 64, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 8 + 128, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 9, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 9 + 64, 0x04},
WriteAction{OverworldScreenSizeForLoading + i + 9 + 128, 0x04},
// Check 5 and 6
WriteAction{transition_target_north + (i * 2) + 2,
(short)((parentyPos * 0x200) -
0xE0)}, // (short) is placed to reduce the int to
// 2 bytes.
WriteAction{transition_target_west + (i * 2) + 2,
(short)((parentxPos * 0x200) - 0x100)},
// (short) is placed to reduce the int to 2 bytes.
WriteAction{transition_target_north + (i * 2) + 16,
(short)((parentyPos * 0x200) - 0xE0)},
WriteAction{transition_target_west + (i * 2) + 16,
(short)((parentxPos * 0x200) - 0x100)},
// (short) is placed to reduce the int to 2 bytes.
WriteAction{transition_target_north + (i * 2) + 18,
(short)((parentyPos * 0x200) - 0xE0)},
WriteAction{transition_target_west + (i * 2) + 18,
(short)((parentxPos * 0x200) - 0x100)},
// Check 7 and 8
WriteAction{overworldTransitionPositionX + (i * 2),
(parentxPos * 0x200)},
WriteAction{overworldTransitionPositionY + (i * 2),
(parentyPos * 0x200)},
WriteAction{overworldTransitionPositionX + (i * 2) + 2,
(parentxPos * 0x200)},
WriteAction{overworldTransitionPositionY + (i * 2) + 2,
(parentyPos * 0x200)},
WriteAction{overworldTransitionPositionX + (i * 2) + 16,
(parentxPos * 0x200)},
WriteAction{overworldTransitionPositionY + (i * 2) + 16,
(parentyPos * 0x200)},
WriteAction{overworldTransitionPositionX + (i * 2) + 18,
(parentxPos * 0x200)},
WriteAction{overworldTransitionPositionY + (i * 2) + 18,
(parentyPos * 0x200)},
// Check 9
// Always 0x0060
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2), 0x0060},
// Always 0x0060
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 2,
0x0060}))
uint16_t lowerSubmaps;
// If parentX == 0 then lower submaps == 0x0060 too
if (parentxPos == 0) {
lowerSubmaps = 0x0060;
} else {
// Otherwise lower submaps == 0x1060
lowerSubmaps = 0x1060;
}
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 16,
uint16_t(lowerSubmaps)},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 18,
uint16_t(lowerSubmaps)},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 128,
uint16_t(0x0080)}, // Always 0x0080
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 2 + 128,
uint16_t(0x0080)}, // Always 0x0080
// Lower are always 8010
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 16 + 128,
uint16_t(0x1080)}, // Always 0x1080
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 18 + 128,
uint16_t(0x1080)}, // Always 0x1080
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 256,
uint16_t(0x1800)}, // Always 0x1800
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 16 + 256,
uint16_t(0x1800)}, // Always 0x1800
// Right side is always 1840
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 2 + 256,
uint16_t(0x1840)}, // Always 0x1840
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 18 + 256,
uint16_t(0x1840)}, // Always 0x1840
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 384,
uint16_t(0x2000)}, // Always 0x2000
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 16 + 384,
uint16_t(0x2000)}, // Always 0x2000
// Right side is always 0x2040
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 2 + 384,
uint16_t(0x2040)}, // Always 0x2000
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 18 + 384,
uint16_t(0x2040)})) // Always 0x2000
checkedMap.emplace(i, 1);
checkedMap.emplace((i + 1), 1);
checkedMap.emplace((i + 8), 1);
checkedMap.emplace((i + 9), 1);
} else {
RETURN_IF_ERROR(rom()->RunTransaction(
WriteAction{overworldMapSize + i, 0x00},
WriteAction{overworldMapSizeHighByte + i, 0x01},
WriteAction{overworldScreenSize + i, 0x01},
WriteAction{overworldScreenSize + i + 64, 0x01},
WriteAction{OverworldScreenSizeForLoading + i, 0x02},
WriteAction{OverworldScreenSizeForLoading + i + 64, 0x02},
WriteAction{OverworldScreenSizeForLoading + i + 128, 0x02},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2),
uint16_t(0x0060)},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 128,
uint16_t(0x0040)},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 256,
uint16_t(0x1800)},
WriteAction{OverworldScreenTileMapChangeByScreen + (i * 2) + 384,
(0x1000)},
WriteAction{transition_target_north + (i * 2),
uint16_t((yPos * 0x200) - 0xE0)},
WriteAction{transition_target_west + (i * 2),
uint16_t((xPos * 0x200) - 0x100)},
WriteAction{overworldTransitionPositionX + (i * 2),
uint16_t(xPos * 0x200)},
WriteAction{overworldTransitionPositionY + (i * 2),
uint16_t(yPos * 0x200)}))
checkedMap.emplace(i, 1);
}
}
return absl::OkStatus();
}
bool Overworld::CreateTile32Tilemap(bool only_show) {
tiles32_unique_.clear();
tiles32.clear();
OWBlockset *tiles_used;
for (int i = 0; i < kNumOverworldMaps; i++) {
if (i < 64) {
tiles_used = &map_tiles_.light_world;
} else if (i < 128 && i >= 64) {
tiles_used = &map_tiles_.dark_world;
} else {
tiles_used = &map_tiles_.special_world;
}
std::vector<uint64_t> all_tile_16 = GetAllTile16(*tiles_used);
std::vector<uint64_t> unique_tiles(all_tile_16); // Ensure it's 64 bits
std::sort(unique_tiles.begin(), unique_tiles.end());
unique_tiles.erase(std::unique(unique_tiles.begin(), unique_tiles.end()),
unique_tiles.end());
// Ensure it's 64 bits
std::unordered_map<uint64_t, ushort> all_tiles_indexed;
for (size_t j = 0; j < unique_tiles.size(); j++) {
all_tiles_indexed.insert({unique_tiles[j], static_cast<ushort>(j)});
}
for (int j = 0; j < NumberOfMap32; j++) {
tiles32.push_back(all_tiles_indexed[all_tile_16[j]]);
}
for (const auto &tile : unique_tiles) {
tiles32_unique_.push_back(static_cast<ushort>(tile));
}
while (tiles32_unique_.size() % 4 != 0) {
gfx::Tile32 padding_tile(420, 420, 420, 420);
tiles32_unique_.push_back(padding_tile.GetPackedValue());
}
}
if (only_show) {
std::cout << "Number of unique Tiles32: " << tiles32_unique_.size()
<< " Out of: " << LimitOfMap32 << std::endl;
} else if (tiles32_unique_.size() > LimitOfMap32) {
std::cerr << "Number of unique Tiles32: " << tiles32_unique_.size()
<< " Out of: " << LimitOfMap32
<< "\nUnique Tile32 count exceed the limit"
<< "\nThe ROM Has not been saved"
<< "\nYou can fill maps with grass tiles to free some space"
<< "\nOr use the option Clear DW Tiles in the Overworld Menu"
<< std::endl;
return true;
}
std::cout << "Number of unique Tiles32: " << tiles32_unique_.size()
<< " Saved:" << tiles32_unique_.size()
<< " Out of: " << LimitOfMap32 << std::endl;
int v = tiles32_unique_.size();
for (int i = v; i < LimitOfMap32; i++) {
gfx::Tile32 padding_tile(420, 420, 420, 420);
tiles32_unique_.push_back(padding_tile.GetPackedValue());
}
return false;
}
absl::Status Overworld::SaveMap16Tiles() {
int tpos = kMap16Tiles;
// 3760
for (int i = 0; i < NumberOfMap16; i += 1) {
RETURN_IF_ERROR(rom()->WriteShort(tpos, TileInfoToShort(tiles16[i].tile0_)))
tpos += 2;
RETURN_IF_ERROR(rom()->WriteShort(tpos, TileInfoToShort(tiles16[i].tile1_)))
tpos += 2;
RETURN_IF_ERROR(rom()->WriteShort(tpos, TileInfoToShort(tiles16[i].tile2_)))
tpos += 2;
RETURN_IF_ERROR(rom()->WriteShort(tpos, TileInfoToShort(tiles16[i].tile3_)))
tpos += 2;
}
return absl::OkStatus();
}
absl::Status Overworld::SaveMap32Tiles() {
constexpr int kMaxUniqueTiles = 0x4540;
constexpr int kTilesPer32x32Tile = 6;
constexpr int kQuadrantsPer32x32Tile = 4;
if (tiles32_unique_.size() % kTilesPer32x32Tile != 0) {
return absl::InvalidArgumentError("Invalid number of unique tiles.");
}
int unique_tile_index = 0;
int num_unique_tiles = tiles32_unique_.size();
int num_32x32_tiles = num_unique_tiles / kTilesPer32x32Tile;
if (num_32x32_tiles > kMaxUniqueTiles / kQuadrantsPer32x32Tile) {
return absl::AbortedError("Too many unique tile32 definitions.");
}
for (int i = 0; i < num_32x32_tiles; ++i) {
int base_addr =
rom()->version_constants().kMap32TileTL + i * kQuadrantsPer32x32Tile;
auto write_quadrant_to_rom = [&](int quadrant,
auto get_tile) -> absl::Status {
for (int j = 0; j < kQuadrantsPer32x32Tile; ++j) {
int tile_index = unique_tile_index + j;
const gfx::Tile32 &tile = tiles32_unique_[tile_index];
RETURN_IF_ERROR(
rom()->Write(base_addr + quadrant + j, get_tile(tile) & 0xFF));
}
int tile0 = get_tile(tiles32_unique_[unique_tile_index]);
int tile1 = get_tile(tiles32_unique_[unique_tile_index + 1]);
int tile2 = get_tile(tiles32_unique_[unique_tile_index + 2]);
int tile3 = get_tile(tiles32_unique_[unique_tile_index + 3]);
RETURN_IF_ERROR(
rom()->Write(base_addr + quadrant + 4,
((tile0 >> 4) & 0xF0) | ((tile1 >> 8) & 0x0F)));
RETURN_IF_ERROR(
rom()->Write(base_addr + quadrant + 5,
((tile2 >> 4) & 0xF0) | ((tile3 >> 8) & 0x0F)));
return absl::OkStatus();
};
RETURN_IF_ERROR(write_quadrant_to_rom(
0, [](const gfx::Tile32 &t) { return t.tile0_; }));
RETURN_IF_ERROR(write_quadrant_to_rom(
1, [](const gfx::Tile32 &t) { return t.tile1_; }));
RETURN_IF_ERROR(write_quadrant_to_rom(
2, [](const gfx::Tile32 &t) { return t.tile2_; }));
RETURN_IF_ERROR(write_quadrant_to_rom(
3, [](const gfx::Tile32 &t) { return t.tile3_; }));
unique_tile_index += kTilesPer32x32Tile;
}
return absl::OkStatus();
}
uint16_t Overworld::GenerateTile32(int index, int quadrant, int dimension) {
// The addresses of the four 32x32 pixel tiles in the ROM.
const uint32_t map32address[4] = {rom()->version_constants().kMap32TileTL,
rom()->version_constants().kMap32TileTR,
rom()->version_constants().kMap32TileBL,
rom()->version_constants().kMap32TileBR};
return (ushort)(rom_[map32address[dimension] + quadrant + (index)] +
(((rom_[map32address[dimension] + (index) +
(quadrant <= 1 ? 4 : 5)] >>
(quadrant % 2 == 0 ? 4 : 0)) &
0x0F) *
256));
}
void Overworld::AssembleMap32Tiles() {
// Loop through each 32x32 pixel tile in the ROM.
for (int i = 0; i < 0x33F0; i += 6) {
// Loop through each quadrant of the 32x32 pixel tile.
for (int k = 0; k < 4; k++) {
// Generate the 16-bit tile for the current quadrant of the current
// 32x32 pixel tile.
uint16_t tl = GenerateTile32(i, k, (int)Dimension::map32TilesTL);
uint16_t tr = GenerateTile32(i, k, (int)Dimension::map32TilesTR);
uint16_t bl = GenerateTile32(i, k, (int)Dimension::map32TilesBL);
uint16_t br = GenerateTile32(i, k, (int)Dimension::map32TilesBR);
// Add the generated 16-bit tiles to the tiles32 vector.
tiles32.push_back(gfx::Tile32(tl, tr, bl, br));
}
}
// Initialize the light_world, dark_world, and special_world vectors with
// the appropriate number of tiles.
map_tiles_.light_world.resize(kTile32Num);
map_tiles_.dark_world.resize(kTile32Num);
map_tiles_.special_world.resize(kTile32Num);
for (int i = 0; i < kTile32Num; i++) {
map_tiles_.light_world[i].resize(kTile32Num);
map_tiles_.dark_world[i].resize(kTile32Num);
map_tiles_.special_world[i].resize(kTile32Num);
}
}
void Overworld::AssembleMap16Tiles() {
int tpos = kMap16Tiles;
for (int i = 0; i < 4096; i += 1) {
auto t0 = gfx::GetTilesInfo(rom()->toint16(tpos));
tpos += 2;
auto t1 = gfx::GetTilesInfo(rom()->toint16(tpos));
tpos += 2;
auto t2 = gfx::GetTilesInfo(rom()->toint16(tpos));
tpos += 2;
auto t3 = gfx::GetTilesInfo(rom()->toint16(tpos));
tpos += 2;
tiles16.emplace_back(t0, t1, t2, t3);
}
}
void Overworld::AssignWorldTiles(int x, int y, int sx, int sy, int tpos,
OWBlockset &world) {
int position_x1 = (x * 2) + (sx * 32);
int position_y1 = (y * 2) + (sy * 32);
int position_x2 = (x * 2) + 1 + (sx * 32);
int position_y2 = (y * 2) + 1 + (sy * 32);
world[position_x1][position_y1] = tiles32[tpos].tile0_;
world[position_x2][position_y1] = tiles32[tpos].tile1_;
world[position_x1][position_y2] = tiles32[tpos].tile2_;
world[position_x2][position_y2] = tiles32[tpos].tile3_;
}
void Overworld::OrganizeMapTiles(Bytes &bytes, Bytes &bytes2, int i, int sx,
int sy, int &ttpos) {
for (int y = 0; y < 16; y++) {
for (int x = 0; x < 16; x++) {
auto tidD = (ushort)((bytes2[ttpos] << 8) + bytes[ttpos]);
if (int tpos = tidD; tpos < tiles32.size()) {
if (i < 64) {
AssignWorldTiles(x, y, sx, sy, tpos, map_tiles_.light_world);
} else if (i < 128 && i >= 64) {
AssignWorldTiles(x, y, sx, sy, tpos, map_tiles_.dark_world);
} else {
AssignWorldTiles(x, y, sx, sy, tpos, map_tiles_.special_world);
}
}
ttpos += 1;
}
}
}
absl::Status Overworld::DecompressAllMapTiles() {
int lowest = 0x0FFFFF;
int highest = 0x0F8000;
int sx = 0;
int sy = 0;
int c = 0;
for (int i = 0; i < 160; i++) {
auto p1 = GetOwMapGfxHighPtr(
rom()->data(), i,
rom()->version_constants().kCompressedAllMap32PointersHigh);
auto p2 = GetOwMapGfxLowPtr(
rom()->data(), i,
rom()->version_constants().kCompressedAllMap32PointersLow);
int ttpos = 0;
if (p1 >= highest) {
highest = p1;
}
if (p2 >= highest) {
highest = p2;
}
if (p1 <= lowest && p1 > 0x0F8000) {
lowest = p1;
}
if (p2 <= lowest && p2 > 0x0F8000) {
lowest = p2;
}
ASSIGN_OR_RETURN(auto bytes,
gfx::lc_lz2::DecompressOverworld(rom()->data(), p2, 1000))
ASSIGN_OR_RETURN(auto bytes2,
gfx::lc_lz2::DecompressOverworld(rom()->data(), p1, 1000))
OrganizeMapTiles(bytes, bytes2, i, sx, sy, ttpos);
sx++;
if (sx >= 8) {
sy++;
sx = 0;
}
c++;
if (c >= 64) {
sx = 0;
sy = 0;
c = 0;
}
}
return absl::OkStatus();
}
absl::Status Overworld::DecompressProtoMapTiles(const std::string &filename) {
proto_map_data_ = parseFile(filename);
int sx = 0;
int sy = 0;
int c = 0;
for (int i = 0; i < proto_map_data_.size(); i++) {
int ttpos = 0;
ASSIGN_OR_RETURN(auto bytes, gfx::lc_lz2::DecompressOverworld(
proto_map_data_[i].lowData, 0,
proto_map_data_[i].lowData.size()))
ASSIGN_OR_RETURN(auto bytes2, gfx::lc_lz2::DecompressOverworld(
proto_map_data_[i].highData, 0,
proto_map_data_[i].highData.size()))
OrganizeMapTiles(bytes, bytes2, i, sx, sy, ttpos);
sx++;
if (sx >= 8) {
sy++;
sx = 0;
}
c++;
if (c >= 64) {
sx = 0;
sy = 0;
c = 0;
}
}
return absl::OkStatus();
}
void Overworld::FetchLargeMaps() {
for (int i = 128; i < 145; i++) {
map_parent_[i] = 0;
}
map_parent_[128] = 128;
map_parent_[129] = 129;
map_parent_[130] = 129;
map_parent_[137] = 129;
map_parent_[138] = 129;
map_parent_[136] = 136;
overworld_maps_[136].SetLargeMap(false);
std::vector<bool> mapChecked;
mapChecked.reserve(0x40);
for (int i = 0; i < 64; i++) {
mapChecked[i] = false;
}
int xx = 0;
int yy = 0;
while (true) {
if (int i = xx + (yy * 8); mapChecked[i] == false) {
if (overworld_maps_[i].IsLargeMap() == true) {
mapChecked[i] = true;
map_parent_[i] = (uchar)i;
map_parent_[i + 64] = (uchar)(i + 64);
mapChecked[i + 1] = true;
map_parent_[i + 1] = (uchar)i;
map_parent_[i + 65] = (uchar)(i + 64);
mapChecked[i + 8] = true;
map_parent_[i + 8] = (uchar)i;
map_parent_[i + 72] = (uchar)(i + 64);
mapChecked[i + 9] = true;
map_parent_[i + 9] = (uchar)i;
map_parent_[i + 73] = (uchar)(i + 64);
xx++;
} else {
map_parent_[i] = (uchar)i;
map_parent_[i + 64] = (uchar)(i + 64);
mapChecked[i] = true;
}
}
xx++;
if (xx >= 8) {
xx = 0;
yy += 1;
if (yy >= 8) {
break;
}
}
}
}
void Overworld::LoadEntrances() {
for (int i = 0; i < 129; i++) {
short mapId = rom()->toint16(OWEntranceMap + (i * 2));
ushort mapPos = rom()->toint16(OWEntrancePos + (i * 2));
uchar entranceId = (rom_[OWEntranceEntranceId + i]);
int p = mapPos >> 1;
int x = (p % 64);
int y = (p >> 6);
bool deleted = false;
if (mapPos == 0xFFFF) {
deleted = true;
}
all_entrances_.emplace_back(
(x * 16) + (((mapId % 64) - (((mapId % 64) / 8) * 8)) * 512),
(y * 16) + (((mapId % 64) / 8) * 512), entranceId, mapId, mapPos,
deleted);
}
for (int i = 0; i < 0x13; i++) {
auto mapId = (short)((rom_[OWHoleArea + (i * 2) + 1] << 8) +
(rom_[OWHoleArea + (i * 2)]));
auto mapPos = (short)((rom_[OWHolePos + (i * 2) + 1] << 8) +
(rom_[OWHolePos + (i * 2)]));
uchar entranceId = (rom_[OWHoleEntrance + i]);
int p = (mapPos + 0x400) >> 1;
int x = (p % 64);
int y = (p >> 6);
all_holes_.emplace_back(
(x * 16) + (((mapId % 64) - (((mapId % 64) / 8) * 8)) * 512),
(y * 16) + (((mapId % 64) / 8) * 512), entranceId, mapId,
(ushort)(mapPos + 0x400), true);
}
}
void Overworld::LoadExits() {
const int NumberOfOverworldExits = 0x4F;
std::vector<OverworldExit> exits;
for (int i = 0; i < NumberOfOverworldExits; i++) {
auto rom_data = rom()->data();
ushort exitRoomID = (ushort)((rom_data[OWExitRoomId + (i * 2) + 1] << 8) +
rom_data[OWExitRoomId + (i * 2)]);
ushort exitMapID = rom_data[OWExitMapId + i];
ushort exitVRAM = (ushort)((rom_data[OWExitVram + (i * 2) + 1] << 8) +
rom_data[OWExitVram + (i * 2)]);
ushort exitYScroll = (ushort)((rom_data[OWExitYScroll + (i * 2) + 1] << 8) +
rom_data[OWExitYScroll + (i * 2)]);
ushort exitXScroll = (ushort)((rom_data[OWExitXScroll + (i * 2) + 1] << 8) +
rom_data[OWExitXScroll + (i * 2)]);
ushort py = (ushort)((rom_data[OWExitYPlayer + (i * 2) + 1] << 8) +
rom_data[OWExitYPlayer + (i * 2)]);
ushort px = (ushort)((rom_data[OWExitXPlayer + (i * 2) + 1] << 8) +
rom_data[OWExitXPlayer + (i * 2)]);
ushort exitYCamera = (ushort)((rom_data[OWExitYCamera + (i * 2) + 1] << 8) +
rom_data[OWExitYCamera + (i * 2)]);
ushort exitXCamera = (ushort)((rom_data[OWExitXCamera + (i * 2) + 1] << 8) +
rom_data[OWExitXCamera + (i * 2)]);
ushort exitScrollModY = rom_data[OWExitUnk1 + i];
ushort exitScrollModX = rom_data[OWExitUnk2 + i];
ushort exitDoorType1 =
(ushort)((rom_data[OWExitDoorType1 + (i * 2) + 1] << 8) +
rom_data[OWExitDoorType1 + (i * 2)]);
ushort exitDoorType2 =
(ushort)((rom_data[OWExitDoorType2 + (i * 2) + 1] << 8) +
rom_data[OWExitDoorType2 + (i * 2)]);
OverworldExit exit(exitRoomID, exitMapID, exitVRAM, exitYScroll,
exitXScroll, py, px, exitYCamera, exitXCamera,
exitScrollModY, exitScrollModX, exitDoorType1,
exitDoorType2);
std::cout << "Exit: " << i << " RoomID: " << exitRoomID
<< " MapID: " << exitMapID << " VRAM: " << exitVRAM
<< " YScroll: " << exitYScroll << " XScroll: " << exitXScroll
<< " YPlayer: " << py << " XPlayer: " << px
<< " YCamera: " << exitYCamera << " XCamera: " << exitXCamera
<< " ScrollModY: " << exitScrollModY
<< " ScrollModX: " << exitScrollModX
<< " DoorType1: " << exitDoorType1
<< " DoorType2: " << exitDoorType2 << std::endl;
if (px == 0xFFFF && py == 0xFFFF) {
exit.deleted = true;
}
exits.push_back(exit);
}
all_exits_ = exits;
}
void Overworld::LoadSprites() {
for (int i = 0; i < 3; i++) {
all_sprites_.emplace_back();
}
for (int i = 0; i < 64; i++) {
all_sprites_[0].emplace_back();
}
for (int i = 0; i < 144; i++) {
all_sprites_[1].emplace_back();
}
for (int i = 0; i < 144; i++) {
all_sprites_[2].emplace_back();
}
LoadSpritesFromMap(overworldSpritesBegining, 64, 0);
LoadSpritesFromMap(overworldSpritesZelda, 144, 1);
LoadSpritesFromMap(overworldSpritesAgahnim, 144, 2);
}
void Overworld::LoadSpritesFromMap(int spriteStart, int spriteCount,
int spriteIndex) {
for (int i = 0; i < spriteCount; i++) {
if (map_parent_[i] != i) continue;
int ptrPos = spriteStart + (i * 2);
int spriteAddress = core::SnesToPc((0x09 << 0x10) + rom()->toint16(ptrPos));
while (true) {
uchar b1 = rom_[spriteAddress];
uchar b2 = rom_[spriteAddress + 1];
uchar b3 = rom_[spriteAddress + 2];
if (b1 == 0xFF) break;
int editorMapIndex = i;
if (editorMapIndex >= 128)
editorMapIndex -= 128;
else if (editorMapIndex >= 64)
editorMapIndex -= 64;
int mapY = (editorMapIndex / 8);
int mapX = (editorMapIndex % 8);
int realX = ((b2 & 0x3F) * 16) + mapX * 512;
int realY = ((b1 & 0x3F) * 16) + mapY * 512;
auto graphics_bytes = overworld_maps_[i].AreaGraphics();
all_sprites_[spriteIndex][i].InitSprite(graphics_bytes, (uchar)i, b3,
(uchar)(b2 & 0x3F),
(uchar)(b1 & 0x3F), realX, realY);
all_sprites_[spriteIndex][i].Draw();
spriteAddress += 3;
}
}
}
absl::Status Overworld::LoadPrototype(ROM &rom,
const std::string &tilemap_filename) {
rom_ = rom;
AssembleMap32Tiles();
AssembleMap16Tiles();
RETURN_IF_ERROR(DecompressProtoMapTiles(tilemap_filename))
for (int map_index = 0; map_index < kNumOverworldMaps; ++map_index)
overworld_maps_.emplace_back(map_index, rom_, tiles16);
FetchLargeMaps();
LoadEntrances();
auto size = tiles16.size();
std::vector<std::future<absl::Status>> futures;
for (int i = 0; i < kNumOverworldMaps; ++i) {
futures.push_back(std::async(std::launch::async, [this, i, size]() {
if (i < 64) {
return overworld_maps_[i].BuildMap(size, game_state_, 0, map_parent_,
map_tiles_.light_world);
} else if (i < 0x80 && i >= 0x40) {
return overworld_maps_[i].BuildMap(size, game_state_, 1, map_parent_,
map_tiles_.dark_world);
} else {
return overworld_maps_[i].BuildMap(size, game_state_, 2, map_parent_,
map_tiles_.special_world);
}
}));
}
// Wait for all tasks to complete and check their results
for (auto &future : futures) {
absl::Status status = future.get();
if (!status.ok()) {
return status;
}
}
// LoadSprites();
is_loaded_ = true;
return absl::OkStatus();
}
} // namespace zelda3
} // namespace app
} // namespace yaze
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