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Improve map outline rendering

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This commit is contained in:
doop
2026-04-29 03:40:49 +00:00
parent 3e05789b58
commit e15f5bcee9
1 changed files with 42 additions and 0 deletions
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src/d/d_map_path.cpp
+42
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@@ -16,6 +16,7 @@
#ifdef TARGET_PC
constexpr u16 kMapResolutionMultiplier = 4;
constexpr u16 kMapCircleSize = 16 * kMapResolutionMultiplier;
#endif
void dMpath_n::dTexObjAggregate_c::create() {
@@ -32,6 +33,47 @@ void dMpath_n::dTexObjAggregate_c::create() {
JUT_ASSERT(74, image->magFilter == GX_NEAR);
mDoLib_setResTimgObj(image, mp_texObj[lp1], 0, NULL);
}
#if TARGET_PC
auto hqCircle = JKR_NEW TGXTexObj();
static bool hqCircleDrawn = false;
static u8 hqCircleData[kMapCircleSize * kMapCircleSize];
if (!hqCircleDrawn) {
const auto center = kMapCircleSize / 2.0f;
const auto radiusSq = center * center;
const auto blocksAcross = kMapCircleSize >> 3;
for (u16 y = 0; y < kMapCircleSize; y++) {
for (u16 x = 0; x < kMapCircleSize; x++) {
// swizzle raster order to I8 blocks
auto blockX = x >> 3;
auto blockY = y >> 2;
auto blockIdx = (blockY * blocksAcross) + blockX;
auto localX = x & 7;
auto localY = y & 3;
auto localIdx = (localY << 3) + localX;
auto finalOffset = (blockIdx << 5) + localIdx;
auto dx = (x + 0.5f) - center;
auto dy = (y + 0.5f) - center;
// the original texture is in I4 format and uses 1 to indicate if inside the circle
// so we scale to I8 range: 255 / 15 = 17
hqCircleData[finalOffset] = (dx * dx + dy * dy < radiusSq) ? 17 : 0;
}
}
hqCircleDrawn = true;
}
GXInitTexObj(hqCircle, hqCircleData, kMapCircleSize, kMapCircleSize, GX_TF_I8, GX_CLAMP,
GX_CLAMP, GX_FALSE);
GXInitTexObjLOD(hqCircle, GX_NEAR, GX_NEAR, 0.0f, 0.0f, 0.0f, GX_FALSE, GX_FALSE, GX_ANISO_1);
mp_texObj[6] = hqCircle;
#endif
}
void dMpath_n::dTexObjAggregate_c::remove() {