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convert numbers in copy functions to hex and adjust bit math

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This commit is contained in:
Justin Scofield
2022-09-04 23:12:03 -05:00
parent 2f12ff8f57
commit b9d1c7bf31
1 changed files with 28 additions and 22 deletions
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50
src/app/zelda3/overworld_map.cc
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@@ -23,52 +23,59 @@ void CopyTile(int x, int y, int xx, int yy, int offset, gfx::TileInfo tile,
Bytes& ow_blockset, Bytes& current_gfx) {
int mx = x;
int my = y;
uchar r = 0;
uchar r = 0x00;
if (tile.horizontal_mirror_ != 0) {
mx = 3 - x;
r = 1;
mx = 0x03 - x;
r = 0x01;
}
if (tile.vertical_mirror_ != 0) {
my = 7 - y;
my = 0x07 - y;
}
int tx = ((tile.id_ / 16) * 512) + ((tile.id_ - ((tile.id_ / 16) * 16)) * 4);
auto index = xx + yy + offset + (mx * 2) + (my * 0x80);
auto pixel = current_gfx[tx + (y * 64) + x];
int tx = ((tile.id_ / 0x10) * 0x200) +
((tile.id_ - ((tile.id_ / 0x10) * 0x10)) * 0x04);
auto index = xx + yy + offset + (mx * 0x02) + (my * 0x80);
auto pixel = current_gfx[tx + (y * 0x40) + x];
auto p1 = index + r ^ 1;
ow_blockset[p1] = (uchar)((pixel & 0x0F) + tile.palette_ * 16);
ow_blockset[p1] = (uchar)((pixel & 0x0F) + tile.palette_ * 0x10);
auto p2 = index + r;
ow_blockset[p2] = (uchar)(((pixel >> 4) & 0x0F) + tile.palette_ * 16);
ow_blockset[p2] = (uchar)(((pixel >> 0x04) & 0x0F) + tile.palette_ * 0x10);
}
void CopyTile8bpp8(int x, int y, int xx, int yy, int offset, gfx::TileInfo tile,
Bytes& ow_blockset, Bytes& current_gfx) {
int mx = x;
int my = y;
uchar r = 0x00;
if (tile.horizontal_mirror_ != 0) {
mx = 7 - x;
mx = 0x07 - x;
r = 0x01;
}
if (tile.vertical_mirror_ != 0) {
my = 7 - y;
my = 0x07 - y;
}
int tx = ((tile.id_ / 32) * 1024) + ((tile.id_ - ((tile.id_ / 32) * 32)) * 8);
int tx = ((tile.id_ / 0x20) * 0x800) +
((tile.id_ - ((tile.id_ / 0x20) * 0x20)) * 0x08);
auto pixel = current_gfx[tx + x + (y * 0x80)];
auto index = xx + yy + offset + mx + (my * 0x80);
ow_blockset[index] = (uchar)(pixel + (tile.palette_ * 16));
ow_blockset[index] = (uchar)(pixel + (tile.palette_ * 0x10));
}
void CopyTile8bpp16(int x, int y, int tile, Bytes& dest, Bytes& src) {
int src_pos = ((tile - ((tile / 8) * 8)) * 16) + ((tile / 8) * 2048);
int dest_pos = (x + (y * 512));
for (int yy = 0; yy < 16; yy++) {
for (int xx = 0; xx < 16; xx++) {
dest[dest_pos + xx + (yy * 512)] = src[src_pos + xx + (yy * 0x80)];
void CopyTile8bpp16(int x, int y, int tile, Bytes& bitmap, Bytes& blockset) {
int src_pos =
((tile - ((tile / 0x08) * 0x08)) * 0x10) + ((tile / 0x08) * 2048);
int dest_pos = (x + (y * 0x200));
for (int yy = 0; yy < 0x10; yy++) {
for (int xx = 0; xx < 0x10; xx++) {
bitmap[dest_pos + xx + (yy * 0x200)] =
blockset[src_pos + xx + (yy * 0x80)];
}
}
}
@@ -268,8 +275,8 @@ absl::Status OverworldMap::BuildTileset() {
}
absl::Status OverworldMap::BuildTiles16Gfx(int count) {
current_blockset_.reserve(1048576 * 2);
for (int i = 0; i < 1048576 * 2; i++) {
current_blockset_.reserve(1048576);
for (int i = 0; i < 1048576; i++) {
current_blockset_.push_back(0x00);
}
int offsets[] = {0, 8, 1024, 1032};
@@ -280,7 +287,6 @@ absl::Status OverworldMap::BuildTiles16Gfx(int count) {
for (auto tile = 0; tile < 4; tile++) {
gfx::TileInfo info = tiles16_[i].tiles_info[tile];
int offset = offsets[tile];
for (auto y = 0; y < 8; y++) {
for (auto x = 0; x < 8; x++) {
CopyTile8bpp8(x, y, xx, yy, offset, info, current_blockset_,