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experimental map draw

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This commit is contained in:
Justin Scofield
2022-09-03 22:46:08 -05:00
parent 65dc7d595e
commit 521b9a1b1c
1 changed files with 26 additions and 7 deletions
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33
src/app/zelda3/overworld_map.cc
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@@ -44,6 +44,26 @@ void CopyTile(int x, int y, int xx, int yy, int offset, gfx::TileInfo tile,
ow_blockset[p2] = (uchar)(((pixel >> 4) & 0x0F) + tile.palette_ * 16);
}
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;
if (tile.horizontal_mirror_ != 0) {
mx = 3 - x;
}
if (tile.vertical_mirror_ != 0) {
my = 7 - 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 * 128) + x];
ow_blockset[index] = (pixel + (tile.palette_ * 16));
}
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));
@@ -235,12 +255,12 @@ absl::Status OverworldMap::BuildTileset() {
all_gfx_ = rom_.GetGraphics8BPP();
current_gfx_.reserve(32768);
for (int i = 0; i < 32768; i++) {
current_gfx_.reserve(65536);
for (int i = 0; i < 65536; i++) {
current_gfx_.push_back(0x00);
}
for (int i = 0; i < 32; i++) {
for (int i = 0; i < 16; i++) {
for (int j = 0; j < 4096; j++) {
current_gfx_[(i * 4096) + j] = all_gfx_[j + (static_graphics_[i] * 4096)];
}
@@ -257,22 +277,21 @@ absl::Status OverworldMap::BuildTiles16Gfx(int count) {
auto yy = 0;
auto xx = 0;
// number of tiles16 3748?
for (auto i = 0; i < count; i++) {
// 8x8 tile draw, gfx8 = 4bpp so everyting is /2F
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 < 4; x++) {
CopyTile(x, y, xx, yy, offset, info, current_blockset_, current_gfx_);
CopyTile8bpp8(x, y, xx, yy, offset, info, current_blockset_,
current_gfx_);
}
}
}
xx += 16;
if (xx >= 0x80) {
if (xx >= 128) {
yy += 2048;
xx = 0;
}