From 8f76ba782669bc986a5e450e5a50ac84232c1323 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Wed, 21 Sep 2022 23:19:45 +0200
Subject: Began rewriting the game as a wasm4 cartridge

---
 build.zig | 61 +++++++++++--------------------------------------------------
 1 file changed, 11 insertions(+), 50 deletions(-)

(limited to 'build.zig')

diff --git a/build.zig b/build.zig
index f350b17..7431b33 100644
--- a/build.zig
+++ b/build.zig
@@ -1,57 +1,18 @@
 const std = @import("std");
 
-pub fn build(b: *std.build.Builder) 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(.{});
-
-    // Standard release options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+pub fn build(b: *std.build.Builder) !void {
     const mode = b.standardReleaseOptions();
+    const lib = b.addSharedLibrary("cart", "src/main.zig", .unversioned);
 
-    const exe = b.addExecutable("grenade-brothers", "src/main.zig");
-    exe.addPackagePath("spoon", "lib/spoon/import.zig");
-    exe.setTarget(target);
-    exe.setBuildMode(mode);
-    exe.install();
-
-    const run_cmd = exe.run();
-    run_cmd.step.dependOn(b.getInstallStep());
-    if (b.args) |args| {
-        run_cmd.addArgs(args);
-    }
-
-    const coverage = b.option(bool, "test-coverage", "Generate test coverage") orelse false;
-
-    const run_step = b.step("run", "Run the app");
-    run_step.dependOn(&run_cmd.step);
-
-    const exe_tests = b.addTest("src/main.zig");
-    exe_tests.addPackagePath("spoon", "lib/spoon/import.zig");
-    exe_tests.setTarget(target);
-    exe_tests.setBuildMode(mode);
+    lib.setBuildMode(mode);
+    lib.setTarget(.{ .cpu_arch = .wasm32, .os_tag = .freestanding });
+    lib.import_memory = true;
+    lib.initial_memory = 65536;
+    lib.max_memory = 65536;
+    lib.stack_size = 14752;
 
-    // Code coverage with kcov, we need an allocator for the setup
-    var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
-    defer _ = general_purpose_allocator.deinit();
-    const gpa = general_purpose_allocator.allocator();
-    // We want to exclude the $HOME/.zig path
-    const home = std.process.getEnvVarOwned(gpa, "HOME") catch "";
-    defer gpa.free(home);
-    const exclude = std.fmt.allocPrint(gpa, "--exclude-path={s}/.zig/,/usr", .{home}) catch "";
-    defer gpa.free(exclude);
-    if (coverage) {
-        exe_tests.setExecCmd(&[_]?[]const u8{
-            "kcov",
-            exclude,
-            //"--path-strip-level=3", // any kcov flags can be specified here
-            "kcov-output", // output dir for kcov
-            null, // to get zig to use the --test-cmd-bin flag
-        });
-    }
+    // Export WASM-4 symbols
+    lib.export_symbol_names = &[_][]const u8{ "start", "update" };
 
-    const test_step = b.step("test", "Run unit tests");
-    test_step.dependOn(&exe_tests.step);
+    lib.install();
 }
-- 
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