refactor: adjust the project infra. (#1)

* refactor: adjust the project infra.

This patch adds cmake build system to the project, and adjust infrastructure
stuff.
Signed-off-by: Jun Zhang <jun@junz.org>

* fix: remove compiler flags that only exist in GCC.

Signed-off-by: Jun Zhang <jun@junz.org>

1 files changed, 0 insertions, 154 deletions

diff --git a/main.cpp b/main.cpp
deleted file mode 100644
index 9811639..0000000
--- a/main.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-#define SDL_MAIN_HANDLED
-#include <cmath>
-
-#include "window.h"
-#include "bitmap.h"
-#include "level.h"
-#include "train.h"
-
-struct Point2D {
-	float x, y;
-};
-
-Point2D screenToTile(Point2D source)
-{
-	Point2D result;
-
-	constexpr int TILE_SIZE = 24;
-
-	float mx = source.x;
-	float my = source.y;
-	float xx = (mx / TILE_SIZE + my / (TILE_SIZE / 2.f));
-	float yy = (my / (TILE_SIZE / 2.f) - (mx / TILE_SIZE));
-
-	result.x = floor(xx - 1.5f); // Magic numbers
-	result.y = floor(yy - 0.5f);
-
-	return result;
-}
-
-void DrawLevel(Bitmap& bitmap, Bitmap& tiles, Level& level, int xo, int yo)
-{
-	bitmap.clear(0xff224466);
-
-	for (int y = 0; y < 32; ++y) {
-		for (int x = 0; x < 32; ++x) {
-			constexpr int TILE_SIZE = 24;
-
-			auto tile = level.get(x, y);
-
-			int xx = (x - y) * (TILE_SIZE / 2) - xo;
-			int yy = (x + y) * (TILE_SIZE / 4) - yo;
-
-			int tx = (x + y) % 2;
-			int ty = 0;
-
-			if (tile == NorthSouth) {
-				tx = 0;
-				ty = 2;
-			}
-			else if (tile == EastWest) {
-				tx = 1;
-				ty = 2;
-			}
-			else if (tile == SouthEast) {
-				tx = 0;
-				ty = 3;
-			}
-			else if (tile == SouthWest) {
-				tx = 3;
-				ty = 3;
-			}
-			else if (tile == NorthWest) {
-				tx = 1;
-				ty = 3;
-			}
-			else if (tile == NorthEast) {
-				tx = 2;
-				ty = 3;
-			}
-
-			bitmap.blit(tiles, xx, yy, tx * 24, ty * 24, TILE_SIZE, TILE_SIZE);
-		}
-	}
-}
-
-int main(int argc, char **argv)
-{
-	constexpr int Height = 240;
-	constexpr int Width = Height * 16 / 9;
-	constexpr int Scale = 3;
-
-	Window window("Nonortho", Width, Height, Scale);
-
-	Bitmap tiles("tiles.png");
-	Level level(32, 32);
-
-	Bitmap bitmap(Width, Height);
-	TrainCar car(0, 0);
-
-	int xOffs = 0, yOffs = 0;
-	int xDrag, yDrag;
-	bool isDragging = false;
-
-	window.onMouseDown([&](int button, int x, int y) {
-		if (button == 1) {
-			static const auto update_direction = [&](int xt, int yt) {
-				if (level.get(xt, yt) > 0)
-					level.set(xt, yt, ChooseDirection(level, xt, yt));
-			};
-
-			float mx = x / Scale + xOffs;
-			float my = y / Scale + yOffs;
-			Point2D tilePos = screenToTile({ mx, my });
-
-			if (level.inBounds(tilePos.x, tilePos.y)) {
-				auto tile = level.get(tilePos.x, tilePos.y);
-
-				if (tile > 0) tile = 0;
-				else tile = ChooseDirection(level, tilePos.x, tilePos.y);
-
-				level.set(tilePos.x, tilePos.y, tile);
-
-				update_direction(tilePos.x - 1, tilePos.y);
-				update_direction(tilePos.x + 1, tilePos.y);
-				update_direction(tilePos.x, tilePos.y - 1);
-				update_direction(tilePos.x, tilePos.y + 1);
-			}
-		} else if (button == 2 && !isDragging) {
-			xDrag = x;
-			yDrag = y;
-			isDragging = true;
-		} else {
-			float mx = x / Scale + xOffs;
-			float my = y / Scale + yOffs;
-			auto pos = screenToTile({ mx, my });
-			car.x = pos.x;
-			car.y = pos.y;
-		}
-	});
-
-	window.onMouseUp([&](int button, int x, int y) {
-		if (button == 2 && isDragging) 
-			isDragging = false;
-	});
-
-	window.onMouseMove([&](int x, int y) {
-		if (isDragging) {
-			xOffs -= (x - xDrag) / Scale;
-			yOffs -= (y - yDrag) / Scale;
-			xDrag = x;
-			yDrag = y;
-		}
-	});
-
-	while (!window.shouldClose()) {
-		window.update();
-		DrawLevel(bitmap, tiles, level, xOffs, yOffs);
-		car.update(level);
-		car.draw(bitmap, xOffs, yOffs);
-		window.draw(bitmap);
-	}
-
-	return 0;
-}
\ No newline at end of file