diff --git a/src/d/d_map_path.cpp b/src/d/d_map_path.cpp index f94cdc9475..eca620ef98 100644 --- a/src/d/d_map_path.cpp +++ b/src/d/d_map_path.cpp @@ -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 +33,48 @@ 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; + const auto totalPixels = sizeof(hqCircleData); + + for (size_t i = 0; i < totalPixels; i++) { + // 8x4 block swizzling for I8 + const auto blockIdx = i >> 5; + const auto localIdx = i & 31; + + const auto blockY = blockIdx / blocksAcross; + const auto blockX = blockIdx % blocksAcross; + + const auto localY = localIdx >> 3; + const auto localX = localIdx & 7; + + const auto x = (blockX << 3) + localX; + const auto y = (blockY << 2) + localY; + + const auto dx = (x + 0.5f) - center; + const 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[i] = (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() {