Hello

.vscode/launch.json

@@ -8,8 +8,8 @@
             "name": "(gdb) Launch",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${workspaceFolder}/meshbox",
-            "args": ["data.bin"],
+            "program": "${workspaceFolder}/zig-out/bin/meshbox",
+            "args": ["demo/"],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
             "environment": [],

.vscode/settings.json

@@ -1,52 +1,9 @@
 {
-    "makefile.launchConfigurations": [
-        {
-            "cwd": "/home/darl/Projects/meshbox",
-            "binaryPath": "/home/darl/Projects/meshbox/meshbox",
-            "binaryArgs": []
-        },
-        {
-            "cwd": "/home/darl/Projects/meshbox",
-            "binaryPath": "/home/darl/Projects/meshbox/meshbox",
-            "binaryArgs": []
-        }
-    ],
-    "files.associations": {
-        "array": "c",
-        "string_view": "c",
-        "initializer_list": "c",
-        "cmath": "c",
-        "shader.h": "c",
-        "string": "c",
-        "deque": "c",
-        "unordered_map": "c",
-        "vector": "c",
-        "system_error": "c",
-        "zip.h": "c",
-        "bit": "c",
-        "*.tcc": "c",
-        "exception": "c",
-        "algorithm": "c",
-        "functional": "c",
-        "random": "c",
-        "limits": "c",
-        "numeric": "c",
-        "ostream": "c",
-        "streambuf": "c",
-        "typeinfo": "c",
-        "*.rh": "c",
-        "compare": "c",
-        "type_traits": "c",
-        "tuple": "c",
-        "utility": "c",
-        "stat.h": "c"
-    },
     "Lua.diagnostics.disable": [
         "undefined-global"
     ],
     "Lua.diagnostics.globals": [
-        "cb_frame",
-        "cb_init"
+        "mb_frame",
     ],
     "Lua.workspace.checkThirdParty": false
 }

build.zig

@@ -31,7 +31,7 @@ pub fn build(b: *std.build.Builder) void {
     exe.install();
 
     const run_cmd = exe.run();
-    //run_cmd.addArg("demo/");
+    run_cmd.addArg("demo/");
     run_cmd.step.dependOn(b.getInstallStep());
     if (b.args) |args| {
         run_cmd.addArgs(args);

demo/meshbox.lua

@@ -1,29 +1,20 @@
-local vertices, indices = vx_load("meshbox.iqm")
-print(table.concat(indices, ", "))
-
-for k, v in ipairs(vertices) do
-    print(("{x=%f, y=%f, z=%f, u=%f, v=%f},"):format(v.x, v.y, v.z, v.u, v.v))
-end
+local vertices, indices = vx_load("barbie.iqm")
 
 local a = 0
 function mb_loop(dt)
     a = a + dt * 12
 
-    tx_bind("<meshbox>")
     mx_mode("projection")
     mx_perspective(100, 0, 1000)
 
     mx_mode("view")
     mx_look_at(
-        math.sin(a)*3, math.cos(a)*3, 3,
+        0, 5, 0,
         0, 0, 0,
         0, 0, 1
     )
 
     mx_mode("model")
     mx_identity()
-    vx_mesh(vertices)
-    vx_render(indices)
-
     gx_background(0, 0, 0, 1)
 end

lib/ziglua/src/ziglua-5.4/lib.zig

@@ -325,20 +325,14 @@ pub const Lua = struct {
         const alignment = @alignOf(std.c.max_align_t);
         const allocator = opaqueCast(Allocator, data.?);
 
-        if (@ptrCast(?[*]align(alignment) u8, @alignCast(alignment, ptr))) |prev_ptr| {
+        if (nsize == 0) {
+            return null;
+        } else if (@ptrCast(?[*]align(alignment) u8, @alignCast(alignment, ptr))) |prev_ptr| {
             const prev_slice = prev_ptr[0..osize];
 
-            // when nsize is zero the allocator must behave like free and return null
-            if (nsize == 0) {
-                allocator.free(prev_slice);
-                return null;
-            }
-
             // when nsize is not zero the allocator must behave like realloc
             const new_ptr = allocator.reallocAdvanced(prev_slice, nsize, 0) catch return null;
             return new_ptr.ptr;
-        } else if (nsize == 0) {
-            return null;
         } else {
             // ptr is null, allocate a new block of memory
             const new_ptr = allocator.alignedAlloc(u8, alignment, nsize) catch return null;

readme.md

@@ -0,0 +1,6 @@
+![image](docs/logo.svg)
+A Lua game engine for making PS1-styled games, with a comfortable API that ressembles OpenGL 1.0.
+
+Currently project-in-construction, come back later!
+
+![image](docs/meshy.png)