Files
cpp-masssprings/src/main.cpp

384 lines
12 KiB
C++

#define VERLET_UPDATE
#include <chrono>
#include <functional>
#include <iostream>
#include <omp.h>
#include <ratio>
#include <raylib.h>
#include <raymath.h>
#include "config.hpp"
#include "klotski.hpp"
#include "mass_springs.hpp"
#include "renderer.hpp"
using StateGenerator = std::function<State(void)>;
auto state_simple_1r() -> State {
State s = State(4, 5, true);
s.AddBlock(Block(0, 0, 1, 2, true));
return s;
}
auto state_simple_1r_wc(const State &state) -> bool { return false; }
auto state_simple_1f() -> State {
State s = State(4, 5, false);
s.AddBlock(Block(0, 0, 1, 2, false));
return s;
}
auto state_simple_1f_wc(const State &state) -> bool { return false; }
auto state_simple_2r() -> State {
State s = State(4, 5, true);
s.AddBlock(Block(0, 0, 1, 2, false));
s.AddBlock(Block(1, 0, 1, 2, false));
return s;
}
auto state_simple_2r_wc(const State &state) -> bool { return false; }
auto state_simple_2f() -> State {
State s = State(4, 5, false);
s.AddBlock(Block(0, 0, 1, 2, false));
s.AddBlock(Block(1, 0, 1, 2, false));
return s;
}
auto state_simple_2f_wc(const State &state) -> bool { return false; }
auto state_simple_3r() -> State {
State s = State(4, 5, true);
s.AddBlock(Block(0, 0, 1, 2, false));
s.AddBlock(Block(1, 0, 1, 2, false));
s.AddBlock(Block(2, 0, 1, 2, false));
return s;
}
auto state_simple_3r_wc(const State &state) -> bool { return false; }
auto state_simple_3f() -> State {
State s = State(4, 5, false);
s.AddBlock(Block(0, 0, 1, 2, false));
s.AddBlock(Block(1, 0, 1, 2, false));
s.AddBlock(Block(2, 0, 1, 2, false));
return s;
}
auto state_simple_3f_wc(const State &state) -> bool { return false; }
auto state_complex_1r() -> State {
State s = State(6, 6, true);
s.AddBlock(Block(1, 0, 1, 3, false));
s.AddBlock(Block(3, 0, 2, 1, false));
s.AddBlock(Block(5, 0, 1, 3, false));
s.AddBlock(Block(3, 2, 2, 1, true));
s.AddBlock(Block(3, 3, 1, 2, false));
s.AddBlock(Block(4, 4, 2, 1, false));
return s;
}
auto state_complex_1r_wc(const State &state) -> bool {
return state.GetBlockAt(4, 2) == "ba";
}
auto state_complex_2r() -> State {
State s = State(6, 6, true);
s.AddBlock(Block(2, 0, 1, 3, false));
s.AddBlock(Block(0, 2, 2, 1, true));
s.AddBlock(Block(1, 3, 2, 1, false));
s.AddBlock(Block(1, 4, 2, 1, false));
s.AddBlock(Block(5, 4, 1, 2, false));
s.AddBlock(Block(0, 5, 3, 1, false));
return s;
}
auto state_complex_2r_wc(const State &state) -> bool {
return state.GetBlockAt(4, 2) == "ba";
}
auto state_complex_3r() -> State {
State s = State(6, 6, true);
s.AddBlock(Block(0, 0, 3, 1, false));
s.AddBlock(Block(5, 0, 1, 3, false));
s.AddBlock(Block(2, 2, 1, 2, false));
s.AddBlock(Block(3, 2, 2, 1, true));
s.AddBlock(Block(3, 3, 1, 2, false));
s.AddBlock(Block(4, 3, 2, 1, false));
s.AddBlock(Block(0, 4, 1, 2, false));
s.AddBlock(Block(2, 4, 1, 2, false));
s.AddBlock(Block(4, 4, 2, 1, false));
s.AddBlock(Block(3, 5, 3, 1, false));
return s;
}
auto state_complex_3r_wc(const State &state) -> bool {
return state.GetBlockAt(4, 2) == "ba";
}
auto state_complex_4f() -> State {
State s = State(4, 4, false);
s.AddBlock(Block(0, 0, 2, 1, false));
s.AddBlock(Block(3, 0, 1, 1, false));
s.AddBlock(Block(0, 1, 1, 2, false));
s.AddBlock(Block(1, 1, 2, 2, false));
s.AddBlock(Block(3, 1, 1, 1, false));
s.AddBlock(Block(3, 2, 1, 1, false));
s.AddBlock(Block(0, 3, 1, 1, false));
s.AddBlock(Block(1, 3, 1, 1, false));
return s;
}
auto state_complex_4f_wc(const State &state) -> bool { return false; }
auto state_klotski() -> State {
State s = State(4, 5, false);
s.AddBlock(Block(0, 0, 1, 2, false));
s.AddBlock(Block(1, 0, 2, 2, true));
s.AddBlock(Block(3, 0, 1, 2, false));
s.AddBlock(Block(0, 2, 1, 2, false));
s.AddBlock(Block(1, 2, 2, 1, false));
s.AddBlock(Block(3, 2, 1, 2, false));
s.AddBlock(Block(1, 3, 1, 1, false));
s.AddBlock(Block(2, 3, 1, 1, false));
s.AddBlock(Block(0, 4, 1, 1, false));
s.AddBlock(Block(3, 4, 1, 1, false));
return s;
}
auto state_klotski_wc(const State &state) -> bool {
return state.GetBlockAt(1, 3) == "bb";
}
std::array<StateGenerator, 8> generators{
state_simple_1r, state_simple_2r, state_simple_3r, state_complex_1r,
state_complex_2r, state_complex_3r, state_complex_4f, state_klotski};
std::array<WinCondition, 8> win_conditions{
state_simple_1r_wc, state_simple_2r_wc, state_simple_3r_wc,
state_complex_1r_wc, state_complex_2r_wc, state_complex_3r_wc,
state_complex_4f_wc, state_klotski_wc};
auto apply_state(MassSpringSystem &mass_springs, StateGenerator generator)
-> State {
mass_springs.springs.clear();
mass_springs.masses.clear();
State s = generator();
mass_springs.AddMass(MASS, Vector3Zero(), false, s.state);
return s;
};
auto solve_closure(MassSpringSystem &mass_springs, const State board) -> void {
std::pair<std::unordered_set<std::string>,
std::vector<std::pair<std::string, std::string>>>
closure = board.Closure();
for (const auto &state : closure.first) {
Vector3 pos =
Vector3(static_cast<float>(GetRandomValue(-10000, 10000)) / 1000.0,
static_cast<float>(GetRandomValue(-10000, 10000)) / 1000.0,
static_cast<float>(GetRandomValue(-10000, 10000)) / 1000.0);
mass_springs.AddMass(MASS, pos, false, state);
}
for (const auto &[from, to] : closure.second) {
mass_springs.AddSpring(from, to, SPRING_CONSTANT, DAMPENING_CONSTANT,
REST_LENGTH);
}
std::cout << "Inserted " << mass_springs.masses.size() << " masses and "
<< mass_springs.springs.size() << " springs." << std::endl;
std::cout << "Consuming "
<< sizeof(decltype(*mass_springs.masses.begin())) *
mass_springs.masses.size()
<< " Bytes for masses." << std::endl;
std::cout << "Consuming "
<< sizeof(decltype(*mass_springs.springs.begin())) *
mass_springs.springs.size()
<< " Bytes for springs." << std::endl;
}
auto main(int argc, char *argv[]) -> int {
// if (argc < 2) {
// std::cout << "Missing .klotski file." << std::endl;
// return 1;
// }
std::cout << "OpenMP: " << omp_get_max_threads() << " threads." << std::endl;
SetTraceLogLevel(LOG_ERROR);
// SetTargetFPS(60);
SetConfigFlags(FLAG_VSYNC_HINT);
SetConfigFlags(FLAG_MSAA_4X_HINT);
// SetConfigFlags(FLAG_WINDOW_ALWAYS_RUN);
InitWindow(WIDTH * 2, HEIGHT + MENU_HEIGHT, "MassSprings");
// Rendering configuration
Renderer renderer;
// Klotski configuration
int current_preset = 0;
MassSpringSystem masssprings;
State board = apply_state(masssprings, generators[current_preset]);
// Game loop
float frametime;
int hov_x = 0;
int hov_y = 0;
int sel_x = 0;
int sel_y = 0;
double last_print_time = GetTime();
std::chrono::duration<double, std::milli> physics_time_accumulator =
std::chrono::duration<double, std::milli>(0);
std::chrono::duration<double, std::milli> render_time_accumulator =
std::chrono::duration<double, std::milli>(0);
int time_measure_count = 0;
while (!WindowShouldClose()) {
frametime = GetFrameTime();
// Mouse handling
float block_size;
float x_offset = 0.0;
float y_offset = 0.0;
if (board.width > board.height) {
block_size = static_cast<float>(WIDTH) / board.width;
y_offset = (HEIGHT - block_size * board.height) / 2.0;
} else {
block_size = static_cast<float>(HEIGHT) / board.height;
x_offset = (WIDTH - block_size * board.width) / 2.0;
}
Vector2 m = GetMousePosition();
if (m.x < x_offset) {
hov_x = 100;
} else {
hov_x = (m.x - x_offset) / block_size;
}
if (m.y - MENU_HEIGHT < y_offset) {
hov_y = 100;
} else {
hov_y = (m.y - MENU_HEIGHT - y_offset) / block_size;
}
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
sel_x = hov_x;
sel_y = hov_y;
}
// Key handling
std::string previous_state = board.state;
if (IsKeyPressed(KEY_W)) {
if (board.MoveBlockAt(sel_x, sel_y, Direction::NOR)) {
sel_y--;
}
} else if (IsKeyPressed(KEY_A)) {
if (board.MoveBlockAt(sel_x, sel_y, Direction::WES)) {
sel_x--;
}
} else if (IsKeyPressed(KEY_S)) {
if (board.MoveBlockAt(sel_x, sel_y, Direction::SOU)) {
sel_y++;
}
} else if (IsKeyPressed(KEY_D)) {
if (board.MoveBlockAt(sel_x, sel_y, Direction::EAS)) {
sel_x++;
}
} else if (IsKeyPressed(KEY_P)) {
std::cout << board.state << std::endl;
} else if (IsKeyPressed(KEY_N)) {
current_preset =
(generators.size() + current_preset - 1) % generators.size();
board = apply_state(masssprings, generators[current_preset]);
previous_state = board.state;
} else if (IsKeyPressed(KEY_M)) {
current_preset = (current_preset + 1) % generators.size();
board = apply_state(masssprings, generators[current_preset]);
previous_state = board.state;
} else if (IsKeyPressed(KEY_R)) {
board = generators[current_preset]();
} else if (IsKeyPressed(KEY_C)) {
solve_closure(masssprings, board);
renderer.UpdateWinningStates(masssprings, win_conditions[current_preset]);
} else if (IsKeyPressed(KEY_G)) {
masssprings.masses.clear();
masssprings.springs.clear();
masssprings.AddMass(MASS, Vector3Zero(), false, board.state);
previous_state = board.state;
} else if (IsKeyPressed(KEY_I)) {
renderer.mark_solutions = !renderer.mark_solutions;
} else if (IsKeyPressed(KEY_O)) {
renderer.connect_solutions = !renderer.connect_solutions;
}
if (previous_state != board.state) {
masssprings.AddMass(
MASS,
Vector3(static_cast<float>(GetRandomValue(-1000, 1000)) / 1000.0,
static_cast<float>(GetRandomValue(-1000, 1000)) / 1000.0,
static_cast<float>(GetRandomValue(-1000, 1000)) / 1000.0),
false, board.state);
masssprings.AddSpring(board.state, previous_state, SPRING_CONSTANT,
DAMPENING_CONSTANT, REST_LENGTH);
renderer.AddWinningState(board, win_conditions[current_preset]);
}
// Physics update
std::chrono::high_resolution_clock::time_point ps =
std::chrono::high_resolution_clock::now();
masssprings.ClearForces();
masssprings.CalculateSpringForces();
masssprings.CalculateRepulsionForces();
#ifdef VERLET_UPDATE
masssprings.VerletUpdate(frametime * SIM_SPEED);
#else
mass_springs.EulerUpdate(frametime * SIM_SPEED);
#endif
std::chrono::high_resolution_clock::time_point pe =
std::chrono::high_resolution_clock::now();
physics_time_accumulator += pe - ps;
// Rendering
std::chrono::high_resolution_clock::time_point rs =
std::chrono::high_resolution_clock::now();
renderer.UpdateCamera(masssprings, board);
renderer.DrawMassSprings(masssprings, board);
renderer.DrawKlotski(board, hov_x, hov_y, sel_x, sel_y);
renderer.DrawMenu(masssprings, current_preset);
renderer.DrawTextures();
std::chrono::high_resolution_clock::time_point re =
std::chrono::high_resolution_clock::now();
render_time_accumulator += re - rs;
time_measure_count++;
if (GetTime() - last_print_time > 10.0) {
std::cout << " - Physics time avg: "
<< physics_time_accumulator / time_measure_count << "."
<< std::endl;
std::cout << " - Render time avg: "
<< render_time_accumulator / time_measure_count << "."
<< std::endl;
last_print_time = GetTime();
physics_time_accumulator = std::chrono::duration<double, std::milli>(0);
render_time_accumulator = std::chrono::duration<double, std::milli>(0);
time_measure_count = 0;
}
}
CloseWindow();
return 0;
}