Files
yaze/src/app/zelda3/overworld.cc
2022-09-12 21:17:41 -05:00

386 lines
11 KiB
C++

#include "overworld.h"
#include "app/gfx/snes_tile.h"
#include "app/rom.h"
namespace yaze {
namespace app {
namespace zelda3 {
namespace {
uint GetOwMapGfxHighPtr(const uchar *rom, int index) {
int map_high_ptr = core::compressedAllMap32PointersHigh;
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) {
int map_low_ptr = core::compressedAllMap32PointersLow;
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);
}
} // namespace
absl::Status Overworld::Load(ROM &rom) {
rom_ = rom;
AssembleMap32Tiles();
AssembleMap16Tiles();
RETURN_IF_ERROR(DecompressAllMapTiles())
for (int map_index = 0; map_index < core::kNumOverworldMaps; ++map_index)
overworld_maps_.emplace_back(map_index, rom_, tiles16);
FetchLargeMaps();
LoadEntrances();
LoadSprites();
auto size = tiles16.size();
for (int i = 0; i < core::kNumOverworldMaps; ++i) {
if (i < 64) {
RETURN_IF_ERROR(overworld_maps_[i].BuildMap(
size, game_state_, 0, map_parent_, map_tiles_.light_world))
} else if (i < 0x80 && i >= 0x40) {
RETURN_IF_ERROR(overworld_maps_[i].BuildMap(
size, game_state_, 1, map_parent_, map_tiles_.dark_world))
} else {
RETURN_IF_ERROR(overworld_maps_[i].BuildMap(
size, game_state_, 2, map_parent_, map_tiles_.special_world))
}
}
is_loaded_ = true;
return absl::OkStatus();
}
ushort Overworld::GenerateTile32(int i, int k, int dimension) {
return (ushort)(rom_[map32address[dimension] + k + (i)] +
(((rom_[map32address[dimension] + (i) + (k <= 1 ? 4 : 5)] >>
(k % 2 == 0 ? 4 : 0)) &
0x0F) *
256));
}
void Overworld::AssembleMap32Tiles() {
for (int i = 0; i < 0x33F0; i += 6) {
for (int k = 0; k < 4; k++) {
tiles32.push_back(gfx::Tile32(
/*top-left=*/GenerateTile32(i, k, (int)Dimension::map32TilesTL),
/*top-right=*/GenerateTile32(i, k, (int)Dimension::map32TilesTR),
/*bottom-left=*/GenerateTile32(i, k, (int)Dimension::map32TilesBL),
/*bottom-right=*/GenerateTile32(i, k, (int)Dimension::map32TilesBR)));
}
}
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 = core::map16Tiles;
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]);
int tpos = tidD;
if (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);
auto p2 = GetOwMapGfxLowPtr(rom_.data(), i);
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, rom_.DecompressOverworld(p2, 1000))
ASSIGN_OR_RETURN(auto bytes2, rom_.DecompressOverworld(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;
}
}
std::cout << "MapPointers(lowest) : " << lowest << std::endl;
std::cout << "MapPointers(highest) : " << highest << std::endl;
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);
bool mapChecked[64];
for (int i = 0; i < 64; i++) {
mapChecked[i] = false;
}
int xx = 0;
int yy = 0;
while (true) {
int i = xx + (yy * 8);
if (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(core::OWEntranceMap + (i * 2));
ushort mapPos = rom_.toint16(core::OWEntrancePos + (i * 2));
uchar entranceId = (rom_[core::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++) {
short mapId = (short)((rom_[core::OWHoleArea + (i * 2) + 1] << 8) +
(rom_[core::OWHoleArea + (i * 2)]));
short mapPos = (short)((rom_[core::OWHolePos + (i * 2) + 1] << 8) +
(rom_[core::OWHolePos + (i * 2)]));
uchar entranceId = (rom_[core::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::LoadSprites() {
// LW[0] = RainState 0 to 63 there's no data for DW
// LW[1] = ZeldaState 0 to 128 ; Contains LW and DW <128 or 144 wtf
// LW[2] = AgahState 0 to ?? ;Contains data for LW and DW
for (int i = 0; i < 3; i++) {
all_sprites_.emplace_back(std::vector<Sprite>());
}
// Console.WriteLine(((core::overworldSpritesBegining & 0xFFFF) + (09 <<
// 16)).ToString("X6"));
for (int i = 0; i < 64; i++) {
if (map_parent_[i] == i) {
// Beginning Sprites
int ptrPos = core::overworldSpritesBegining + (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 mapY = (i / 8);
int mapX = (i % 8);
int realX = ((b2 & 0x3F) * 16) + mapX * 512;
int realY = ((b1 & 0x3F) * 16) + mapY * 512;
all_sprites_[0].emplace_back(overworld_maps_[i].AreaGraphics(),
(uchar)i, b3, (uchar)(b2 & 0x3F),
(uchar)(b1 & 0x3F), realX, realY);
spriteAddress += 3;
}
}
}
for (int i = 0; i < 144; i++) {
if (map_parent_[i] == i) {
// Zelda Saved Sprites
int ptrPos = core::overworldSpritesZelda + (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 = i - 128;
} else if (editorMapIndex >= 64) {
editorMapIndex = i - 64;
}
int mapY = (editorMapIndex / 8);
int mapX = (editorMapIndex % 8);
int realX = ((b2 & 0x3F) * 16) + mapX * 512;
int realY = ((b1 & 0x3F) * 16) + mapY * 512;
all_sprites_[1].emplace_back(overworld_maps_[i].AreaGraphics(),
(uchar)i, b3, (uchar)(b2 & 0x3F),
(uchar)(b1 & 0x3F), realX, realY);
spriteAddress += 3;
}
}
// Agahnim Dead Sprites
if (map_parent_[i] == i) {
int ptrPos = core::overworldSpritesAgahnim + (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 = i - 128;
} else if (editorMapIndex >= 64) {
editorMapIndex = i - 64;
}
int mapY = (editorMapIndex / 8);
int mapX = (editorMapIndex % 8);
int realX = ((b2 & 0x3F) * 16) + mapX * 512;
int realY = ((b1 & 0x3F) * 16) + mapY * 512;
all_sprites_[2].emplace_back(overworld_maps_[i].AreaGraphics(),
(uchar)i, b3, (uchar)(b2 & 0x3F),
(uchar)(b1 & 0x3F), realX, realY);
spriteAddress += 3;
}
}
}
}
} // namespace zelda3
} // namespace app
} // namespace yaze