From bea2edb2a9b3b3db6fd734f4e53a4d60eebc3272 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Tue, 28 Oct 2014 20:52:04 +0100 Subject: QtBiomeVisualiser: Reduced memory usage. --- Tools/QtBiomeVisualiser/BiomeView.cpp | 158 ++++++++++++++++++++++++++++++---- 1 file changed, 142 insertions(+), 16 deletions(-) (limited to 'Tools/QtBiomeVisualiser/BiomeView.cpp') diff --git a/Tools/QtBiomeVisualiser/BiomeView.cpp b/Tools/QtBiomeVisualiser/BiomeView.cpp index fef2b0afd..c77b39482 100644 --- a/Tools/QtBiomeVisualiser/BiomeView.cpp +++ b/Tools/QtBiomeVisualiser/BiomeView.cpp @@ -14,6 +14,116 @@ static const int DELTA_STEP = 120; // The normal per-notch wheel delta +/** Map for converting biome values to colors. Initialized from biomeColors[]. */ +static uchar biomeToColor[256 * 4]; + +/** Map for converting biome values to colors. Used to initialize biomeToColor[].*/ +static struct +{ + EMCSBiome m_Biome; + uchar m_Color[3]; +} biomeColors[] = +{ + { biOcean, { 0x00, 0x00, 0x70 }, }, + { biPlains, { 0x8d, 0xb3, 0x60 }, }, + { biDesert, { 0xfa, 0x94, 0x18 }, }, + { biExtremeHills, { 0x60, 0x60, 0x60 }, }, + { biForest, { 0x05, 0x66, 0x21 }, }, + { biTaiga, { 0x0b, 0x66, 0x59 }, }, + { biSwampland, { 0x2f, 0xff, 0xda }, }, + { biRiver, { 0x30, 0x30, 0xaf }, }, + { biHell, { 0x7f, 0x00, 0x00 }, }, + { biSky, { 0x00, 0x7f, 0xff }, }, + { biFrozenOcean, { 0xa0, 0xa0, 0xdf }, }, + { biFrozenRiver, { 0xa0, 0xa0, 0xff }, }, + { biIcePlains, { 0xff, 0xff, 0xff }, }, + { biIceMountains, { 0xa0, 0xa0, 0xa0 }, }, + { biMushroomIsland, { 0xff, 0x00, 0xff }, }, + { biMushroomShore, { 0xa0, 0x00, 0xff }, }, + { biBeach, { 0xfa, 0xde, 0x55 }, }, + { biDesertHills, { 0xd2, 0x5f, 0x12 }, }, + { biForestHills, { 0x22, 0x55, 0x1c }, }, + { biTaigaHills, { 0x16, 0x39, 0x33 }, }, + { biExtremeHillsEdge, { 0x7f, 0x8f, 0x7f }, }, + { biJungle, { 0x53, 0x7b, 0x09 }, }, + { biJungleHills, { 0x2c, 0x42, 0x05 }, }, + + { biJungleEdge, { 0x62, 0x8b, 0x17 }, }, + { biDeepOcean, { 0x00, 0x00, 0x30 }, }, + { biStoneBeach, { 0xa2, 0xa2, 0x84 }, }, + { biColdBeach, { 0xfa, 0xf0, 0xc0 }, }, + { biBirchForest, { 0x30, 0x74, 0x44 }, }, + { biBirchForestHills, { 0x1f, 0x5f, 0x32 }, }, + { biRoofedForest, { 0x40, 0x51, 0x1a }, }, + { biColdTaiga, { 0x31, 0x55, 0x4a }, }, + { biColdTaigaHills, { 0x59, 0x7d, 0x72 }, }, + { biMegaTaiga, { 0x59, 0x66, 0x51 }, }, + { biMegaTaigaHills, { 0x59, 0x66, 0x59 }, }, + { biExtremeHillsPlus, { 0x50, 0x70, 0x50 }, }, + { biSavanna, { 0xbd, 0xb2, 0x5f }, }, + { biSavannaPlateau, { 0xa7, 0x9d, 0x64 }, }, + { biMesa, { 0xd9, 0x45, 0x15 }, }, + { biMesaPlateauF, { 0xb0, 0x97, 0x65 }, }, + { biMesaPlateau, { 0xca, 0x8c, 0x65 }, }, + + // M variants: + { biSunflowerPlains, { 0xb5, 0xdb, 0x88 }, }, + { biDesertM, { 0xff, 0xbc, 0x40 }, }, + { biExtremeHillsM, { 0x88, 0x88, 0x88 }, }, + { biFlowerForest, { 0x2d, 0x8e, 0x49 }, }, + { biTaigaM, { 0x33, 0x8e, 0x81 }, }, + { biSwamplandM, { 0x07, 0xf9, 0xb2 }, }, + { biIcePlainsSpikes, { 0xb4, 0xdc, 0xdc }, }, + { biJungleM, { 0x7b, 0xa3, 0x31 }, }, + { biJungleEdgeM, { 0x62, 0x8b, 0x17 }, }, + { biBirchForestM, { 0x58, 0x9c, 0x6c }, }, + { biBirchForestHillsM, { 0x47, 0x87, 0x5a }, }, + { biRoofedForestM, { 0x68, 0x79, 0x42 }, }, + { biColdTaigaM, { 0x24, 0x3f, 0x36 }, }, + { biMegaSpruceTaiga, { 0x45, 0x4f, 0x3e }, }, + { biMegaSpruceTaigaHills, { 0x45, 0x4f, 0x4e }, }, + { biExtremeHillsPlusM, { 0x78, 0x98, 0x78 }, }, + { biSavannaM, { 0xe5, 0xda, 0x87 }, }, + { biSavannaPlateauM, { 0xa7, 0x9d, 0x74 }, }, + { biMesaBryce, { 0xff, 0x6d, 0x3d }, }, + { biMesaPlateauFM, { 0xd8, 0xbf, 0x8d }, }, + { biMesaPlateauM, { 0xf2, 0xb4, 0x8d }, }, +} ; + + + + + +static class BiomeColorsInitializer +{ +public: + BiomeColorsInitializer(void) + { + // Reset all colors to gray: + for (size_t i = 0; i < ARRAYCOUNT(biomeToColor); i++) + { + biomeToColor[i] = 0x7f; + } + + // Set known biomes to their colors: + for (size_t i = 0; i < ARRAYCOUNT(biomeColors); i++) + { + uchar * color = &biomeToColor[4 * biomeColors[i].m_Biome]; + color[0] = biomeColors[i].m_Color[2]; + color[1] = biomeColors[i].m_Color[1]; + color[2] = biomeColors[i].m_Color[0]; + color[3] = 0xff; + } + } +} biomeColorInitializer; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// BiomeView: + BiomeView::BiomeView(QWidget * parent) : super(parent), m_X(0), @@ -203,11 +313,10 @@ void BiomeView::drawChunk(int a_ChunkX, int a_ChunkZ) centerx += (a_ChunkX - centerchunkx) * chunksize; centery += (a_ChunkZ - centerchunkz) * chunksize; - int srcoffset = 0; uchar * bits = m_Image.bits(); int imgstride = m_Image.bytesPerLine(); - int skipx = 0,skipy = 0; + int skipx = 0, skipy = 0; int blockwidth = chunksize, blockheight = chunksize; // now if we're off the screen we need to crop if (centerx < 0) @@ -236,7 +345,7 @@ void BiomeView::drawChunk(int a_ChunkX, int a_ChunkZ) int imgoffset = centerx * 4 + centery * imgstride; // If the chunk is valid, use its data; otherwise use the empty placeholder: - const uchar * src = m_EmptyChunkImage; + const short * src = m_EmptyChunkBiomes; if (region.get() != nullptr) { int relChunkX = a_ChunkX - regionX * 32; @@ -244,27 +353,44 @@ void BiomeView::drawChunk(int a_ChunkX, int a_ChunkZ) Chunk & chunk = region->getRelChunk(relChunkX, relChunkZ); if (chunk.isValid()) { - src = chunk.getImage(); + src = chunk.getBiomes(); } } - // Blit or scale-blit the image: + // Scale-blit the image: for (int z = skipy; z < blockheight; z++, imgoffset += imgstride) { - srcoffset = floor((double)z / m_Zoom) * 16 * 4; - if (m_Zoom == 1.0) + size_t srcoffset = static_cast(std::floor((double)z / m_Zoom)) * 16; + int imgxoffset = imgoffset; + for (int x = skipx; x < blockwidth; x++) { - memcpy(bits + imgoffset, src + srcoffset + skipx * 4, (blockwidth - skipx) * 4); - } - else - { - int xofs = 0; - for (int x = skipx; x < blockwidth; x++, xofs +=4) + short biome = src[srcoffset + static_cast(std::floor((double)x / m_Zoom))]; + const uchar * color; + if (biome < 0) { - memcpy(bits + imgoffset + xofs, src + srcoffset + (int)floor((double)x / m_Zoom) * 4, 4); + static const uchar emptyBiome1[] = { 0x44, 0x44, 0x44, 0xff }; + static const uchar emptyBiome2[] = { 0x88, 0x88, 0x88, 0xff }; + color = ((x & 8) ^ (z & 8)) ? emptyBiome1 : emptyBiome2; } - } - } + else + { + if (biome * 4 >= ARRAYCOUNT(biomeToColor)) + { + static const uchar errorImage[] = { 0xff, 0x00, 0x00, 0xff }; + color = errorImage; + } + else + { + color = biomeToColor + biome * 4; + } + } + bits[imgxoffset] = color[0]; + bits[imgxoffset + 1] = color[1]; + bits[imgxoffset + 2] = color[2]; + bits[imgxoffset + 3] = color[3]; + imgxoffset += 4; + } // for x + } // for z } -- cgit v1.2.3