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Refactor DungeonEditor to streamline room loading and size calculation; replace individual room loading methods with a unified LoadRoomFromRom function, and update room size management to utilize a dedicated RoomSize struct for improved clarity and efficiency.

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scawful
2025-04-19 12:12:19 -04:00
parent 8c207dc292
commit 903c1246c7
4 changed files with 173 additions and 169 deletions
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246
src/app/zelda3/dungeon/room.cc
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@@ -10,53 +10,11 @@
#include "app/zelda3/dungeon/room_object.h"
#include "app/zelda3/sprite/sprite.h"
#include "util/log.h"
#include "util/macro.h"
namespace yaze {
namespace zelda3 {
void Room::LoadHeader() {
int header_pointer = (rom()->data()[kRoomHeaderPointer + 2] << 16) +
(rom()->data()[kRoomHeaderPointer + 1] << 8) +
(rom()->data()[kRoomHeaderPointer]);
header_pointer = SnesToPc(header_pointer);
int address = (rom()->data()[kRoomHeaderPointerBank] << 16) +
(rom()->data()[(header_pointer + 1) + (room_id_ * 2)] << 8) +
rom()->data()[(header_pointer) + (room_id_ * 2)];
auto header_location = SnesToPc(address);
bg2_ = (background2)((rom()->data()[header_location] >> 5) & 0x07);
collision_ = (CollisionKey)((rom()->data()[header_location] >> 2) & 0x07);
is_light_ = ((rom()->data()[header_location]) & 0x01) == 1;
if (is_light_) {
bg2_ = background2::DarkRoom;
}
palette = ((rom()->data()[header_location + 1] & 0x3F));
blockset = (rom()->data()[header_location + 2]);
spriteset = (rom()->data()[header_location + 3]);
effect_ = (EffectKey)((rom()->data()[header_location + 4]));
tag1_ = (TagKey)((rom()->data()[header_location + 5]));
tag2_ = (TagKey)((rom()->data()[header_location + 6]));
staircase_plane_[0] = ((rom()->data()[header_location + 7] >> 2) & 0x03);
staircase_plane_[1] = ((rom()->data()[header_location + 7] >> 4) & 0x03);
staircase_plane_[2] = ((rom()->data()[header_location + 7] >> 6) & 0x03);
staircase_plane_[3] = ((rom()->data()[header_location + 8]) & 0x03);
holewarp = (rom()->data()[header_location + 9]);
staircase_rooms_[0] = (rom()->data()[header_location + 10]);
staircase_rooms_[1] = (rom()->data()[header_location + 11]);
staircase_rooms_[2] = (rom()->data()[header_location + 12]);
staircase_rooms_[3] = (rom()->data()[header_location + 13]);
CalculateRoomSize();
}
void Room::CalculateRoomSize() {
RoomSize CalculateRoomSize(Rom *rom, int room_id) {
// Calculate the size of the room based on how many objects are used per room
// Some notes from hacker Zarby89
// vanilla rooms are using in average ~0x80 bytes
@@ -68,120 +26,165 @@ void Room::CalculateRoomSize() {
// So we want to search the rom() object at this addressed based on the room
// ID since it's the roomid * 3 we will by pulling 3 bytes at a time We can do
// this with the rom()->ReadByteVector(addr, size)
try {
// Existing room size address calculation...
auto room_size_address = 0xF8000 + (room_id_ * 3);
util::logf("Room #%#03X Addresss: %#06X", room_id_, room_size_address);
// Existing room size address calculation...
RoomSize room_size;
room_size.room_size_pointer = 0;
room_size.room_size = 0;
auto room_size_address = 0xF8000 + (room_id * 3);
util::logf("Room #%#03X Addresss: %#06X", room_id, room_size_address);
// Reading bytes for long address construction
uint8_t low = rom->data()[room_size_address];
uint8_t high = rom->data()[room_size_address + 1];
uint8_t bank = rom->data()[room_size_address + 2];
// Constructing the long address
int long_address = (bank << 16) | (high << 8) | low;
util::logf("%#06X", long_address);
room_size.room_size_pointer = long_address;
if (long_address == 0x0A8000) {
// Blank room disregard in size calculation
util::logf("Size of Room #%#03X: 0 bytes", room_id);
room_size.room_size = 0;
} else {
// use the long address to calculate the size of the room
// we will use the room_id_ to calculate the next room's address
// and subtract the two to get the size of the room
int next_room_address = 0xF8000 + ((room_id + 1) * 3);
util::logf("Next Room Address: %#06X", next_room_address);
// Reading bytes for long address construction
uint8_t low = rom()->data()[room_size_address];
uint8_t high = rom()->data()[room_size_address + 1];
uint8_t bank = rom()->data()[room_size_address + 2];
uint8_t next_low = rom->data()[next_room_address];
uint8_t next_high = rom->data()[next_room_address + 1];
uint8_t next_bank = rom->data()[next_room_address + 2];
// Constructing the long address
int long_address = (bank << 16) | (high << 8) | low;
util::logf("%#06X", long_address);
room_size_pointer_ = long_address;
int next_long_address = (next_bank << 16) | (next_high << 8) | next_low;
util::logf("%#06X", next_long_address);
if (long_address == 0x0A8000) {
// Blank room disregard in size calculation
util::logf("Size of Room #%#03X: 0 bytes", room_id_);
room_size_ = 0;
} else {
// use the long address to calculate the size of the room
// we will use the room_id_ to calculate the next room's address
// and subtract the two to get the size of the room
int next_room_address = 0xF8000 + ((room_id_ + 1) * 3);
util::logf("Next Room Address: %#06X", next_room_address);
// Reading bytes for long address construction
uint8_t next_low = rom()->data()[next_room_address];
uint8_t next_high = rom()->data()[next_room_address + 1];
uint8_t next_bank = rom()->data()[next_room_address + 2];
// Constructing the long address
int next_long_address = (next_bank << 16) | (next_high << 8) | next_low;
util::logf("%#06X", next_long_address);
// Calculate the size of the room
int room_size = next_long_address - long_address;
room_size_ = room_size;
util::logf("Size of Room #%#03X: %d bytes", room_id_, room_size_);
}
} catch (const std::exception &e) {
std::cout << "Error: " << e.what() << std::endl;
// Calculate the size of the room
int actual_room_size = next_long_address - long_address;
room_size.room_size = actual_room_size;
util::logf("Size of Room #%#03X: %d bytes", room_id, actual_room_size);
}
return room_size;
}
void Room::LoadRoomFromROM() {
auto rom_data = rom()->vector();
int header_pointer = SnesToPc(kRoomHeaderPointer);
Room LoadRoomFromRom(Rom *rom, int room_id) {
Room room(room_id);
message_id_ = messages_id_dungeon + (room_id_ * 2);
int header_pointer = (rom->data()[kRoomHeaderPointer + 2] << 16) +
(rom->data()[kRoomHeaderPointer + 1] << 8) +
(rom->data()[kRoomHeaderPointer]);
header_pointer = SnesToPc(header_pointer);
int address = (rom()->data()[kRoomHeaderPointerBank] << 16) +
(rom()->data()[(header_pointer + 1) + (room_id_ * 2)] << 8) +
rom()->data()[(header_pointer) + (room_id_ * 2)];
int address = (rom->data()[kRoomHeaderPointerBank] << 16) +
(rom->data()[(header_pointer + 1) + (room_id * 2)] << 8) +
rom->data()[(header_pointer) + (room_id * 2)];
int hpos = SnesToPc(address);
auto header_location = SnesToPc(address);
room.bg2_ = (background2)((rom->data()[header_location] >> 5) & 0x07);
room.collision_ = (CollisionKey)((rom->data()[header_location] >> 2) & 0x07);
room.is_light_ = ((rom->data()[header_location]) & 0x01) == 1;
if (room.is_light_) {
room.bg2_ = background2::DarkRoom;
}
room.palette = ((rom->data()[header_location + 1] & 0x3F));
room.blockset = (rom->data()[header_location + 2]);
room.spriteset = (rom->data()[header_location + 3]);
room.effect_ = (EffectKey)((rom->data()[header_location + 4]));
room.tag1_ = (TagKey)((rom->data()[header_location + 5]));
room.tag2_ = (TagKey)((rom->data()[header_location + 6]));
room.staircase_plane_[0] = ((rom->data()[header_location + 7] >> 2) & 0x03);
room.staircase_plane_[1] = ((rom->data()[header_location + 7] >> 4) & 0x03);
room.staircase_plane_[2] = ((rom->data()[header_location + 7] >> 6) & 0x03);
room.staircase_plane_[3] = ((rom->data()[header_location + 8]) & 0x03);
room.holewarp = (rom->data()[header_location + 9]);
room.staircase_rooms_[0] = (rom->data()[header_location + 10]);
room.staircase_rooms_[1] = (rom->data()[header_location + 11]);
room.staircase_rooms_[2] = (rom->data()[header_location + 12]);
room.staircase_rooms_[3] = (rom->data()[header_location + 13]);
// =====
int header_pointer_2 = (rom->data()[kRoomHeaderPointer + 2] << 16) +
(rom->data()[kRoomHeaderPointer + 1] << 8) +
(rom->data()[kRoomHeaderPointer]);
header_pointer_2 = SnesToPc(header_pointer_2);
int address_2 = (rom->data()[kRoomHeaderPointerBank] << 16) +
(rom->data()[(header_pointer_2 + 1) + (room_id * 2)] << 8) +
rom->data()[(header_pointer_2) + (room_id * 2)];
room.message_id_ = messages_id_dungeon + (room_id * 2);
auto hpos = SnesToPc(address_2);
hpos++;
uint8_t b = rom_data[hpos];
uint8_t b = rom->data()[hpos];
layer2_mode_ = (b >> 5);
layer_merging_ = kLayerMergeTypeList[(b & 0x0C) >> 2];
room.layer2_mode_ = (b >> 5);
room.layer_merging_ = kLayerMergeTypeList[(b & 0x0C) >> 2];
is_dark_ = (b & 0x01) == 0x01;
room.is_dark_ = (b & 0x01) == 0x01;
hpos++;
room.palette_ = rom->data()[hpos];
hpos++;
palette_ = rom_data[hpos];
room.background_tileset_ = rom->data()[hpos];
hpos++;
background_tileset_ = rom_data[hpos];
room.sprite_tileset_ = rom->data()[hpos];
hpos++;
sprite_tileset_ = rom_data[hpos];
room.layer2_behavior_ = rom->data()[hpos];
hpos++;
layer2_behavior_ = rom_data[hpos];
room.tag1_ = (TagKey)rom->data()[hpos];
hpos++;
tag1_ = (TagKey)rom_data[hpos];
room.tag2_ = (TagKey)rom->data()[hpos];
hpos++;
tag2_ = (TagKey)rom_data[hpos];
b = rom->data()[hpos];
room.pits_.target_layer = (uint8_t)(b & 0x03);
room.stair1_.target_layer = (uint8_t)((b >> 2) & 0x03);
room.stair2_.target_layer = (uint8_t)((b >> 4) & 0x03);
room.stair3_.target_layer = (uint8_t)((b >> 6) & 0x03);
hpos++;
room.stair4_.target_layer = (uint8_t)(rom->data()[hpos] & 0x03);
hpos++;
b = rom_data[hpos];
pits_.target_layer = (uint8_t)(b & 0x03);
stair1_.target_layer = (uint8_t)((b >> 2) & 0x03);
stair2_.target_layer = (uint8_t)((b >> 4) & 0x03);
stair3_.target_layer = (uint8_t)((b >> 6) & 0x03);
room.pits_.target = rom->data()[hpos];
hpos++;
stair4_.target_layer = (uint8_t)(rom_data[hpos] & 0x03);
room.stair1_.target = rom->data()[hpos];
hpos++;
pits_.target = rom_data[hpos];
room.stair2_.target = rom->data()[hpos];
hpos++;
stair1_.target = rom_data[hpos];
room.stair3_.target = rom->data()[hpos];
hpos++;
stair2_.target = rom_data[hpos];
hpos++;
stair3_.target = rom_data[hpos];
hpos++;
stair4_.target = rom_data[hpos];
room.stair4_.target = rom->data()[hpos];
hpos++;
// Load room objects
int object_pointer = SnesToPc(room_object_pointer);
int room_address = object_pointer + (room_id_ * 3);
int room_address = object_pointer + (room_id * 3);
int objects_location = SnesToPc(room_address);
// Load sprites
// int spr_ptr = 0x040000 | rooms_sprite_pointer;
// int sprite_address =
// SnesToPc(dungeon_spr_ptrs | spr_ptr + (room_id_ * 2));
int spr_ptr = 0x040000 | rooms_sprite_pointer;
int sprite_address = SnesToPc(dungeon_spr_ptrs | spr_ptr + (room_id * 2));
return room;
}
void Room::LoadRoomGraphics(uint8_t entrance_blockset) {
@@ -194,10 +197,9 @@ void Room::LoadRoomGraphics(uint8_t entrance_blockset) {
blocks_[i] = main_gfx[blockset][i];
if (i >= 6 && i <= 6) {
// 3-6
if (entrance_blockset != 0xFF) {
if (room_gfx[entrance_blockset][i - 3] != 0) {
blocks_[i] = room_gfx[entrance_blockset][i - 3];
}
if (entrance_blockset != 0xFF &&
room_gfx[entrance_blockset][i - 3] != 0) {
blocks_[i] = room_gfx[entrance_blockset][i - 3];
}
}
}

43
src/app/zelda3/dungeon/room.h
View File

@@ -11,7 +11,6 @@
#include "app/rom.h"
#include "app/zelda3/dungeon/room_object.h"
#include "app/zelda3/sprite/sprite.h"
#include "util/macro.h"
namespace yaze {
namespace zelda3 {
@@ -196,24 +195,9 @@ enum TagKey {
Kill_boss_Again
};
static const std::string RoomEffect[] = {"Nothing",
"Nothing",
"Moving Floor",
"Moving Water",
"Trinexx Shell",
"Red Flashes",
"Light Torch to See Floor",
"Ganon's Darkness"};
class Room : public SharedRom {
public:
Room() = default;
Room(int room_id) : room_id_(room_id) {}
~Room() = default;
void LoadHeader();
void CalculateRoomSize();
void LoadRoomFromROM();
void LoadRoomGraphics(uint8_t entrance_blockset = 0xFF);
void CopyRoomGraphicsToBuffer();
@@ -228,9 +212,6 @@ class Room : public SharedRom {
auto &layer1() { return background_bmps_[0]; }
auto &layer2() { return background_bmps_[1]; }
auto &layer3() { return background_bmps_[2]; }
auto room_size() const { return room_size_; }
auto room_size_ptr() const { return room_size_pointer_; }
auto set_room_size(uint64_t size) { room_size_ = size; }
uint8_t blockset = 0;
uint8_t spriteset = 0;
@@ -247,7 +228,6 @@ class Room : public SharedRom {
std::vector<uint8_t> bg2_buffer_;
std::vector<uint8_t> current_gfx16_;
private:
bool is_light_;
bool is_loaded_;
bool is_dark_;
@@ -267,9 +247,6 @@ class Room : public SharedRom {
uint8_t floor2_graphics_;
uint8_t layer2_mode_;
uint64_t room_size_;
int64_t room_size_pointer_;
std::array<uint8_t, 16> blocks_;
std::array<chest, 16> chest_list_;
@@ -293,6 +270,26 @@ class Room : public SharedRom {
destination stair4_;
};
// Loads a room from the ROM.
Room LoadRoomFromRom(Rom *rom, int room_id);
struct RoomSize {
int64_t room_size_pointer;
int64_t room_size;
};
// Calculates the size of a room in the ROM.
RoomSize CalculateRoomSize(Rom *rom, int room_id);
static const std::string RoomEffect[] = {"Nothing",
"Nothing",
"Moving Floor",
"Moving Water",
"Trinexx Shell",
"Red Flashes",
"Light Torch to See Floor",
"Ganon's Darkness"};
constexpr std::string_view kRoomNames[] = {
"Ganon",
"Hyrule Castle (North Corridor)",