// GrownBiomeGenVisualiser.cpp
// Implements the main app entrypoint
#include "Globals.h"
#include <iostream>
#include <fstream>
#include <random>
#define PROT_INT_BUFFER_SIZE (130 * 130)
#include "Generating/ProtIntGen.h"
typedef int Color[3]; // Color is an array of 3 ints
// Forward declarations, needed for GCC and Clang:
void log(const char * a_Fmt, ...) FORMATSTRING(1, 2);
void outputBitmapFile(
const AString & a_FileName,
unsigned a_ImageSizeX, unsigned a_ImageSizeY,
const int * a_ColorIndices,
unsigned a_IndicesSizeX, unsigned a_IndicesSizeY,
const Color * a_Colors,
size_t a_NumColors
);
void initializeBiomeColors(void);
void generateZoomLevels(int a_Seed);
void generateSmoothLevels(int a_Seed);
void generateExamples(int a_Seed);
/** Color palette used for algorithm examples.
No relevance to biomes whatsoever. */
static const Color spectrumColors[] =
{
{0, 0, 0},
{255, 0, 0},
{0, 255, 0},
{0, 0, 255},
{255, 255, 0},
{255, 0, 255},
{0, 255, 255},
};
/** Color palette used for displaying biome groups. */
static const Color biomeGroupColors[] =
{
/* bgOcean */ {0x00, 0x00, 0x70},
/* bgDesert */ {0xfa, 0x94, 0x18},
/* bgTemperate */ {0x05, 0x66, 0x21},
/* bgMountains */ {0x60, 0x60, 0x60},
/* bgIce */ {0xa0, 0xa0, 0xff},
};
/** Color palette used for outputting biome images.
Initialized from biomeColorMap[] in initializeBiomeColors(). */
static Color biomeColors[255];
/** Map of biome -> color, used to initialize biomeColorMap[]. */
static const struct
{
EMCSBiome biome;
Color color;
}
biomeColorMap[] =
{
{ 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 }, },
};
void log(const char * a_Fmt, ...)
{
AString buf;
va_list args;
va_start(args, a_Fmt);
AppendVPrintf(buf, a_Fmt, args);
va_end(args);
std::cout << buf << std::endl << std::flush;
}
void outputBitmapFile(
const AString & a_FileName,
unsigned a_ImageSizeX, unsigned a_ImageSizeY,
const int * a_ColorIndices,
unsigned a_IndicesSizeX, unsigned a_IndicesSizeY,
const Color * a_Colors,
size_t a_NumColors
)
{
std::ofstream f(a_FileName, std::ios::out | std::ios::binary);
if (!f.good())
{
log("Cannot open file %s for writing. Skipping.", a_FileName.c_str());
return;
}
f << "P3\r\n" << a_ImageSizeX << " " << a_ImageSizeY << "\r\n255\r\n";
unsigned oldIndY = 0;
for (unsigned y = 0; y < a_ImageSizeY; y++)
{
unsigned indY = y * a_IndicesSizeY / a_ImageSizeY;
if (oldIndY != indY)
{
// Output a horizontal divider line:
for (unsigned x = 0; x < a_ImageSizeX; x++)
{
f << "128 128 128 ";
}
f << "\r\n";
oldIndY = indY;
continue;
}
unsigned oldIndX = 0;
for (unsigned x = 0; x < a_ImageSizeX; x++)
{
unsigned indX = x * a_IndicesSizeX / a_ImageSizeX;
if (indX == oldIndX)
{
auto & color = a_Colors[a_ColorIndices[indX + a_IndicesSizeX * indY]];
f << color[0] << " " << color[1] << " " << color[2] << " ";
}
else
{
// vertical divider line:
f << "128 128 128 ";
}
oldIndX = indX;
}
f << "\r\n";
}
}
/** Initializes biomeColors[] using the biomeColorMap[]. */
void initializeBiomeColors(void)
{
// Initialize all colors to red, so that anything unassigned is visible:
for (size_t i = 0; i < ARRAYCOUNT(biomeColors); i++)
{
auto & color = biomeColors[i];
color[0] = 0;
color[1] = 0xff;
color[2] = 0;
}
// Initialize per-biome:
for(size_t i = 0; i < ARRAYCOUNT(biomeColorMap); i++)
{
auto & dst = biomeColors[biomeColorMap[i].biome];
const auto & src = biomeColorMap[i].color;
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
}
}
/** Generates a series of images showing the "zoom" effect of the IntGen zoom operation.
Each image is the same size, the integer arrays are scaled to fit the image. */
void generateZoomLevels(int a_Seed)
{
log("Generating zoom levels...");
const unsigned NumImages = 7; ///< Number of images to generate. The more images, the larger they will be
const unsigned maxArrSize = (1 << NumImages) + 1;
for (unsigned i = 1; i <= NumImages; i++)
{
unsigned arrSize = (1 << i) + 1; // Dimensions of the actually generated array
ASSERT(arrSize <= maxArrSize);
int workspace[maxArrSize * maxArrSize]; // Workspace for the generated array
// Chain the zoom operation as many times as the image number:
std::shared_ptr<cProtIntGen> gen = std::make_shared<cProtIntGenChoice>(a_Seed, static_cast<int>(ARRAYCOUNT(spectrumColors) + 1));
for (unsigned j = 1; j < i; j++)
{
gen = std::make_shared<cProtIntGenZoom>(a_Seed + static_cast<int>(j), gen);
}
gen->GetInts(0, 0, arrSize, arrSize, workspace);
// Output to a bitmap file:
AString fnam = Printf("zoomedgrown_%u.pbm", i);
outputBitmapFile(fnam, 257, 257, workspace, arrSize, arrSize, spectrumColors, ARRAYCOUNT(spectrumColors));
log(" zoom level %u complete", i);
} // for i - Image
}
void generateSmoothLevels(int a_Seed)
{
log("Generating smooth levels...");
const unsigned NumImages = 7; ///< Number of images to generate. The more images, the larger they will be
const unsigned maxArrSize = 65; ///< Size of the underlying generated array
// Initialize the underlying generator:
std::shared_ptr<cProtIntGen> underlyingGen = std::make_shared<cProtIntGenChoice>(a_Seed, static_cast<int>(ARRAYCOUNT(spectrumColors) + 1));
for (int j = 1; j < 4; j++)
{
underlyingGen = std::make_shared<cProtIntGenZoom>(a_Seed + j, underlyingGen);
}
// Generate smooth levels:
for (unsigned i = 1; i <= NumImages; i++)
{
unsigned arrSize = maxArrSize - 2 * i; // Dimensions of the actually generated array
int workspace[maxArrSize * maxArrSize]; // Workspace for the generated array
// Chain the zoom operation as many times as the image number:
std::shared_ptr<cProtIntGen> gen = underlyingGen;
for (unsigned j = 1; j < i; j++)
{
gen = std::make_shared<cProtIntGenSmooth>(a_Seed, gen);
}
gen->GetInts(static_cast<int>(i), static_cast<int>(i), arrSize, arrSize, workspace);
// Output to a bitmap file:
AString fnam = Printf("smoothedgrown_%u.ppm", i);
outputBitmapFile(fnam, 257, 257, workspace, arrSize, arrSize, spectrumColors, ARRAYCOUNT(spectrumColors));
log(" smooth level %u complete", i);
} // for i - Image
}
void generateExamples(int a_Seed)
{
log("Generating examples");
const int maxArrSize = 65;
const int inArrSize = 24;
const int imgSize = 256;
// Create the inputs:
auto in1 =
std::make_shared<cProtIntGenZoom >(a_Seed + 1,
std::make_shared<cProtIntGenAddIslands >(a_Seed + 2000, 200,
std::make_shared<cProtIntGenSetRandomly >(a_Seed + 9, 300, bgOcean,
std::make_shared<cProtIntGenZoom >(a_Seed + 2,
std::make_shared<cProtIntGenLandOcean >(a_Seed + 1, 30
)))));
auto in2 =
std::make_shared<cProtIntGenZoom >(a_Seed + 1,
std::make_shared<cProtIntGenBiomeGroupEdges>(in1
));
auto in3 =
std::make_shared<cProtIntGenZoom >(a_Seed + 1,
std::make_shared<cProtIntGenZoom >(a_Seed + 2,
std::make_shared<cProtIntGenBiomes >(a_Seed + 3000, in2
)));
auto inAlt =
std::make_shared<cProtIntGenZoom >(a_Seed,
std::make_shared<cProtIntGenLandOcean >(a_Seed, 30
));
auto inRiver = std::make_shared<cProtIntGenRiver>(a_Seed, in2);
int workspace[maxArrSize * maxArrSize];
in1->GetInts(0, 0, inArrSize, inArrSize, workspace);
outputBitmapFile("grownexample_in1.ppm", imgSize, imgSize, workspace, inArrSize, inArrSize, biomeGroupColors, ARRAYCOUNT(biomeGroupColors));
log(" Created example input 1");
in2->GetInts(0, 0, inArrSize, inArrSize, workspace);
outputBitmapFile("grownexample_in2.ppm", imgSize, imgSize, workspace, inArrSize, inArrSize, biomeGroupColors, ARRAYCOUNT(biomeGroupColors));
log(" Created example input 2");
in3->GetInts(0, 0, inArrSize, inArrSize, workspace);
outputBitmapFile("grownexample_in3.ppm", imgSize, imgSize, workspace, inArrSize, inArrSize, biomeColors, ARRAYCOUNT(biomeColors));
log(" Created example input 3");
inAlt->GetInts(0, 0, inArrSize, inArrSize, workspace);
outputBitmapFile("grownexample_in_alt.ppm", imgSize, imgSize, workspace, inArrSize, inArrSize, biomeGroupColors, ARRAYCOUNT(biomeGroupColors));
log(" Created example input alt");
inRiver->GetInts(0, 0, inArrSize, inArrSize, workspace);
outputBitmapFile("grownexample_in_river.ppm", imgSize, imgSize, workspace, inArrSize, inArrSize, biomeColors, ARRAYCOUNT(biomeColors));
log(" Created example input river");
// Shortcuts for colormaps used for the outputs:
struct ColorMap
{
const Color * colors;
size_t count;
};
static const ColorMap cmGroups = { biomeGroupColors, ARRAYCOUNT(biomeGroupColors) };
static const ColorMap cmBiomes = { biomeColors, ARRAYCOUNT(biomeColors) };
// Create the result generators:
struct
{
const char * name;
unsigned size;
int offset;
const ColorMap & colormap;
std::shared_ptr<cProtIntGen> gen;
}
gens[] =
{
{"add_islands", inArrSize, 0, cmGroups, std::make_shared<cProtIntGenAddIslands> (a_Seed, 400, in1)},
{"alt_biomes", inArrSize, 0, cmBiomes, std::make_shared<cProtIntGenAlternateBiomes>(a_Seed, inAlt, in3)},
{"beaches", inArrSize - 2, 1, cmBiomes, std::make_shared<cProtIntGenBeaches> (in3)},
{"biome_edges", inArrSize - 2, 1, cmBiomes, std::make_shared<cProtIntGenBiomeEdges> (a_Seed, in3)},
{"biomes", inArrSize, 0, cmBiomes, std::make_shared<cProtIntGenBiomes> (a_Seed, in2)},
{"grp_edges", inArrSize - 2, 0, cmGroups, std::make_shared<cProtIntGenBiomeGroupEdges>(in1)},
{"m_biomes", inArrSize, 0, cmBiomes, std::make_shared<cProtIntGenMBiomes> (a_Seed, inAlt, in3)},
{"mix_river", inArrSize, 0, cmBiomes, std::make_shared<cProtIntGenMixRivers> (in3, inRiver)},
{"river", inArrSize - 2, 1, cmBiomes, inRiver},
{"set_rnd", inArrSize, 0, cmBiomes, std::make_shared<cProtIntGenSetRandomly> (a_Seed, 500, bgOcean, in3)},
{"smooth", inArrSize - 2, 1, cmBiomes, std::make_shared<cProtIntGenSmooth> (a_Seed, in3)},
{"zoom", inArrSize * 2 - 1, 0, cmBiomes, std::make_shared<cProtIntGenZoom> (a_Seed, in3)},
};
// Create the outputs:
for (const auto & gen: gens)
{
gen.gen->GetInts(gen.offset, gen.offset, gen.size, gen.size, workspace);
AString fnam = Printf("grownexample_%s.ppm", gen.name);
outputBitmapFile(fnam, 256, 256, workspace, gen.size, gen.size, gen.colormap.colors, gen.colormap.count);
log(" Created example \"%s\"", gen.name);
} // for gen - gens[]
log("Examples generated");
}
int main(int argc, char ** argv)
{
log("GrownBiomeGenVisualiser starting");
// Parse the seed from the command line, if present:
int seed;
if (argc > 1)
{
if (!StringToInteger(argv[1], seed))
{
log("Cannot parse seed from \"%s\", bailing out.", argv[1]);
return 1;
}
}
else
{
// Get a random seed:
std::random_device rd;
seed = static_cast<int>(rd());
}
log("Seed = %d", seed);
initializeBiomeColors();
generateZoomLevels(seed);
generateSmoothLevels(seed);
generateExamples(seed);
log("GrownBiomeGenVisualiser finished");
return 0;
}
