From 3d6ba6848d84d58f3c591e6ed5a6f47af10ecead Mon Sep 17 00:00:00 2001 From: kdx Date: Wed, 31 May 2023 13:56:00 +0200 Subject: initial commit --- .gitignore | 1 + .gitmodules | 3 +++ SDL.zig | 1 + build.zig | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/main.zig | 11 +++++++++ src/zxc.zig | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 162 insertions(+) create mode 100644 .gitignore create mode 100644 .gitmodules create mode 160000 SDL.zig create mode 100644 build.zig create mode 100644 src/main.zig create mode 100644 src/zxc.zig diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..fe95f8d --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/zig-* diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..fd59bb0 --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "SDL.zig"] + path = SDL.zig + url = https://github.com/MasterQ32/SDL.zig diff --git a/SDL.zig b/SDL.zig new file mode 160000 index 0000000..fbe5f59 --- /dev/null +++ b/SDL.zig @@ -0,0 +1 @@ +Subproject commit fbe5f599c65b7a5642990443b2a686d1c53a4985 diff --git a/build.zig b/build.zig new file mode 100644 index 0000000..7ca8105 --- /dev/null +++ b/build.zig @@ -0,0 +1,76 @@ +const std = @import("std"); +const Sdk = @import("SDL.zig/Sdk.zig"); + +// Although this function looks imperative, note that its job is to +// declaratively construct a build graph that will be executed by an external +// runner. +pub fn build(b: *std.Build) void { + // Standard target options allows the person running `zig build` to choose + // what target to build for. Here we do not override the defaults, which + // means any target is allowed, and the default is native. Other options + // for restricting supported target set are available. + const target = b.standardTargetOptions(.{}); + + const sdk = Sdk.init(b, null); + + // Standard optimization options allow the person running `zig build` to select + // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not + // set a preferred release mode, allowing the user to decide how to optimize. + const optimize = b.standardOptimizeOption(.{}); + + const exe = b.addExecutable(.{ + .name = "zxc", + // In this case the main source file is merely a path, however, in more + // complicated build scripts, this could be a generated file. + .root_source_file = .{ .path = "src/main.zig" }, + .target = target, + .optimize = optimize, + }); + sdk.link(exe, .dynamic); + + exe.addModule("sdl2", sdk.getWrapperModule()); + + // This declares intent for the executable to be installed into the + // standard location when the user invokes the "install" step (the default + // step when running `zig build`). + b.installArtifact(exe); + + // This *creates* a Run step in the build graph, to be executed when another + // step is evaluated that depends on it. The next line below will establish + // such a dependency. + const run_cmd = b.addRunArtifact(exe); + + // By making the run step depend on the install step, it will be run from the + // installation directory rather than directly from within the cache directory. + // This is not necessary, however, if the application depends on other installed + // files, this ensures they will be present and in the expected location. + run_cmd.step.dependOn(b.getInstallStep()); + + // This allows the user to pass arguments to the application in the build + // command itself, like this: `zig build run -- arg1 arg2 etc` + if (b.args) |args| { + run_cmd.addArgs(args); + } + + // This creates a build step. It will be visible in the `zig build --help` menu, + // and can be selected like this: `zig build run` + // This will evaluate the `run` step rather than the default, which is "install". + const run_step = b.step("run", "Run the app"); + run_step.dependOn(&run_cmd.step); + + // Creates a step for unit testing. This only builds the test executable + // but does not run it. + const unit_tests = b.addTest(.{ + .root_source_file = .{ .path = "src/main.zig" }, + .target = target, + .optimize = optimize, + }); + + const run_unit_tests = b.addRunArtifact(unit_tests); + + // Similar to creating the run step earlier, this exposes a `test` step to + // the `zig build --help` menu, providing a way for the user to request + // running the unit tests. + const test_step = b.step("test", "Run unit tests"); + test_step.dependOn(&run_unit_tests.step); +} diff --git a/src/main.zig b/src/main.zig new file mode 100644 index 0000000..4a5c92c --- /dev/null +++ b/src/main.zig @@ -0,0 +1,11 @@ +const std = @import("std"); +const zxc = @import("zxc.zig"); + +pub fn main() !void { + var z = try zxc.init(.{ + .width = 400, + .height = 224, + .target_fps = 60, + }); + defer z.deinit(); +} diff --git a/src/zxc.zig b/src/zxc.zig new file mode 100644 index 0000000..f394f7d --- /dev/null +++ b/src/zxc.zig @@ -0,0 +1,70 @@ +const std = @import("std"); +const sdl = @import("sdl2"); +const Self = @This(); + +const Config = struct { + const RenderMode = enum { + Pixel, + PixelPerfect, + HdRender, + }; + + width: usize, + height: usize, + scale: usize = 1, + target_fps: usize, + render: RenderMode = .Pixel, + title: [:0]const u8 = "ZXC", +}; + +config: Config, +window: sdl.Window, +renderer: sdl.Renderer, + +pub fn init(config: Config) !Self { + var self = Self{ + .config = config, + .window = undefined, + .renderer = undefined, + }; + + try sdl.init(.{ .video = true }); + errdefer sdl.quit(); + + const basepath = sdl.c.SDL_GetBasePath(); + if (basepath == null) + return sdl.makeError(); + defer sdl.c.SDL_free(basepath); + + try std.os.chdir(std.mem.span(basepath)); + + self.window = try sdl.createWindow( + config.title, + sdl.WindowPosition.default, + sdl.WindowPosition.default, + config.width, + config.height, + .{ .resizable = true }, + ); + errdefer self.window.destroy(); + + self.renderer = try sdl.createRenderer( + self.window, + null, + sdl.RendererFlags{ .accelerated = true }, + ); + errdefer self.renderer.destroy(); + + _ = sdl.setHint( + sdl.hint.render_scale_quality, + if (config.render == .HdRender) "1" else "0", + ); + + return self; +} + +pub fn deinit(self: Self) void { + self.renderer.destroy(); + self.window.destroy(); + sdl.quit(); +} -- cgit v1.2.3