yggdrasil75/stupidsimcpp
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need more noise features

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Yggdrasil75
2025-11-07 14:27:40 -05:00
parent 90a34cd433
commit 18b03fbdac
7 changed files with 521 additions and 50 deletions
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72
main.cpp
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@@ -72,13 +72,13 @@ bool generateGradientImage(const std::string& filename, int width = 512, int hei
}
// Generate terrain simulation image
bool generateTerrainImage(const std::string& filename, int width = 512, int height = 512) {
bool generateTerrainImage(const std::string& filename, int width = 512, int height = 512, uint32_t seed = 42, float scale = 4.0f, int octaves = 4,
float persistence = 0.5f, float lacunarity = 2.0f, float waterlevel = 0.3f, float elevation = 1.0f) {
TIME_FUNCTION;
static Sim2 sim(width, height);
Sim2 sim(width, height, seed, scale, octaves, persistence, lacunarity, waterlevel, elevation);
sim.generateTerrain();
// Randomize seed for variety
sim.randomizeSeed();
// Render to RGB image
std::vector<uint8_t> imageData = sim.renderToRGB(width, height);
@@ -171,6 +171,70 @@ int main(int argc, char* argv[]) {
SimpleHTTPServer server(port, webRoot);
// Add parameter setting endpoint
server.addRoute("/api/set-parameters", [webRoot](const std::string& method, const std::string& body) {
if (method == "POST") {
try {
// Parse JSON parameters
// Simple JSON parsing - in a real application you'd use a proper JSON library
float scale = 4.0f;
int octaves = 4;
float persistence = 0.5f;
float lacunarity = 2.0f;
float elevation = 1.0f;
float waterLevel = 0.3f;
uint32_t seed = 42;
// Extract parameters from JSON (simplified parsing)
if (body.find("\"scale\"") != std::string::npos) {
size_t pos = body.find("\"scale\":") + 8;
scale = std::stof(body.substr(pos));
}
if (body.find("\"octaves\"") != std::string::npos) {
size_t pos = body.find("\"octaves\":") + 10;
octaves = std::stoi(body.substr(pos));
}
if (body.find("\"persistence\"") != std::string::npos) {
size_t pos = body.find("\"persistence\":") + 14;
persistence = std::stof(body.substr(pos));
}
if (body.find("\"lacunarity\"") != std::string::npos) {
size_t pos = body.find("\"lacunarity\":") + 13;
lacunarity = std::stof(body.substr(pos));
}
if (body.find("\"elevation\"") != std::string::npos) {
size_t pos = body.find("\"elevation\":") + 12;
elevation = std::stof(body.substr(pos));
}
if (body.find("\"waterLevel\"") != std::string::npos) {
size_t pos = body.find("\"waterLevel\":") + 13;
waterLevel = std::stof(body.substr(pos));
}
if (body.find("\"seed\"") != std::string::npos) {
size_t pos = body.find("\"seed\":") + 7;
seed = std::stoul(body.substr(pos));
}
// Create NEW instance each time (remove 'static')
Sim2 sim(512, 512, seed, scale, octaves, persistence, lacunarity, waterLevel, elevation);
// Regenerate and save
std::vector<uint8_t> imageData = sim.renderToRGB(512, 512);
bool success = generateTerrainImage(webRoot + "/output/display.jxl", 512, 512, seed, scale, octaves, persistence, lacunarity, waterLevel, elevation);
//bool success = JXLWriter::saveJXL(webRoot + "/output/display.jxl", imageData, 512, 512);
if (success) {
return std::make_pair(200, std::basic_string("{\"status\":\"success\"}"));
} else {
return std::make_pair(500, std::basic_string("{\"error\":\"Failed to generate terrain\"}"));
}
} catch (const std::exception& e) {
return std::make_pair(400, std::basic_string("{\"error\":\"Invalid parameters\"}"));
}
}
return std::make_pair(405, std::basic_string("{\"error\":\"Method Not Allowed\"}"));
});
// Add timing stats endpoint
server.addRoute("/api/timing-stats", [](const std::string& method, const std::string& body) {
if (method == "GET") {