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Overworld map saving epic

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scawful
2024-01-31 13:17:14 -05:00
parent 1e5d02ab6f
commit 77d99724ef
12 changed files with 239 additions and 288 deletions
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22
src/app/core/common.cc
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@@ -43,23 +43,19 @@ uint32_t SnesToPc(uint32_t addr) {
}
uint32_t PcToSnes(uint32_t addr) {
// Impl1
// if (addr >= 0x400000) return -1;
// addr = ((addr << 1) & 0x7F0000) | (addr & 0x7FFF) | 0x8000;
std::bitset<24> addr_bits(addr);
std::bitset<24> result_bits;
// Impl2
// return (addr & 0x7FFF) | 0x8000 | ((addr & 0x7F8000) << 1);
// Shift the address left by 1 bit
addr_bits <<= 1;
uint8_t *b = reinterpret_cast<uint8_t *>(&addr);
b[2] = static_cast<uint8_t>(b[2] * 2);
// Set the most significant bit of the second byte
addr_bits.set(15, true);
if (b[1] >= 0x80) {
b[2] += 1;
} else {
b[1] += 0x80;
}
// Convert the modified bitset back to an integer
uint32_t result = static_cast<uint32_t>(addr_bits.to_ulong());
return addr;
return result;
}
uint32_t MapBankToWordAddress(uint8_t bank, uint16_t addr) {

4
src/app/core/constants.h
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@@ -130,9 +130,9 @@
using ushort = unsigned short;
using uint = unsigned int;
using uchar = unsigned char;
using Bytes = std::vector<uchar>;
using Bytes = std::vector<uint8_t>;
using OWBlockset = std::vector<std::vector<ushort>>;
using OWBlockset = std::vector<std::vector<uint16_t>>;
struct OWMapTiles {
OWBlockset light_world; // 64 maps
OWBlockset dark_world; // 64 maps