saving

build/generateApi.zig

@@ -63,6 +63,10 @@ pub fn main() !void {
         \\             }} else {{
         \\                 try Struct.start_module(spec, NwArgs{{}}, allocator);
         \\             }}
+        \\             if(core.MemoryTracker.MTGet()) |_|
+        \\             {{
+        \\                core.MemoryTracker.MTPrintStatsDelta();
+        \\             }}
         \\             try shutdownList.append(allocator, Struct.shutdown_module);
         \\             try shutdownModuleNames.append(allocator, feature);
         \\             core.engine_logs("module started >>>> " ++ feature ++ " <<<<");

engine/core/src/MemoryTracker.zig

@@ -13,6 +13,9 @@ allocationsCount: u32 = 0,
 totalAllocSize: usize = 0,
 eventsCount: usize = 0,
 
+untrackedAllocationsCount: u32 = 0,
+untrackedAllocationsSize: usize = 0,
+
 peakAllocations: u32 = 0,
 peakAllocSize: usize = 0,
 
@@ -258,11 +261,19 @@ pub fn deinit(self: *@This()) void {
 }
 
 pub fn addUntrackedAllocation(self: *@This(), allocatedSize: usize) void {
+    self.lock.lock();
+    self.untrackedAllocationsCount += 1;
+    self.untrackedAllocationsSize += allocatedSize;
     self.totalAllocSize += allocatedSize;
+    self.lock.unlock();
 }
 
 pub fn removeUntrackedAllocation(self: *@This(), allocatedSize: usize) void {
+    self.lock.lock();
     self.totalAllocSize -= allocatedSize;
+    self.untrackedAllocationsCount -= 1;
+    self.untrackedAllocationsSize -= allocatedSize;
+    self.lock.unlock();
 }
 
 var gMemTracker: ?*@This() = null;

engine/core/src/core.zig

@@ -116,6 +116,11 @@ pub const script = @import("script.zig");
 pub const stacks = @import("stacks.zig");
 pub const walkAndPrintStack = stacks.walkAndPrintStack;
 
+pub const gameObject = @import("gameObject.zig");
+
+pub const GameObject = gameObject.GameObject;
+pub const GameObjectSystem = gameObject.GameObjectSystem;
+
 pub fn fs() *PackerFS {
     return gPackerFS;
 }
@@ -143,6 +148,7 @@ pub fn getSessionStamp() i64 {
 // a struct can be used like a list of types in this way
 pub const ComponentList = struct {
     pub const Scene = scene.Scene;
+    pub const GameObject = gameObject.GameObject;
 };
 
 pub const ModuleStartupError = error{StartupFailed};

engine/core/src/gameObject.zig

@@ -1 +1,84 @@
+// ok
+//
+// lets really cook a good API here
 
+pub const GameObjectInterfaceVTable = struct {
+    destroy: *const fn (*anyopaque) void,
+    tick: ?*const fn (*anyopaque, f64) void,
+    getEntity: ?*const fn (*anyopaque) core.Entity,
+    objectBaseName: core.Name = core.DefineName("UnknownObject"),
+    create: *const fn (allocator: std.mem.Allocator, entity: core.Entity) *@This(),
+
+    messageHandlers: std.AutoHashMapUnmanaged(u32, MessageHandlerFunc) = .{},
+
+    pub const MessageHandlerFunc = *const fn (*anyopaque, *const MessageInfo, *anyopaque) void;
+    // fn onCustomMessage(self, meta: core.MessageInfo, m: *const MyCustomMessage) void
+};
+
+pub const MessageInfo = struct {
+    tag: core.Name,
+    sourceEntity: ?core.Entity = null,
+    sourceSystem: ?core.Name = null,
+    // maybe add like a filter type? or an invoker?
+};
+
+pub const GameObjectRef = struct {
+    table: *GameObjectInterfaceVTable,
+    ptr: *anyopaque,
+};
+
+pub const GameObject = struct {
+    pub var BaseContainer: *core.SparseSet(GameObject) = undefined;
+    pub const ComponentName = "core.GameObject";
+    pub const ScriptExports: []const []const u8 = &.{};
+
+    // set by GameObjectSystem when it calls Entity
+    objectRef: GameObjectRef = undefined,
+
+    pub fn setObjectReference(self: *@This(), table: *GameObjectInterfaceVTable, object: *anyopaque) void {
+        self.objectRef.table = table;
+        self.objectRef.ptr = object;
+    }
+};
+
+pub const GameObjectSystem = struct {
+
+    // this is the new one, GameObjectList should be deleted after this passes initial usability
+    pub var NeonObjectTable = core.EngineObjectVTable.from(@This(), "core.GameObjectSystem");
+
+    allocator: std.mem.Allocator,
+    objectDefinitions: *core.SparseMap(GameObjectInterfaceVTable),
+
+    pub fn create(allocator: std.mem.Allocator) !*@This() {
+        const self = try allocator.create(*@This());
+
+        self.* = .{
+            .allocator = allocator,
+            .sparseMap = try core.SparseMap(GameObjectInterfaceVTable).create(allocator),
+        };
+
+        return self;
+    }
+
+    pub fn spawnObjectByType(self: *@This(), comptime T: type) !*T {
+        _ = self;
+    }
+
+    pub fn tick(self: *@This(), dt: f64) void {
+        // for (self.objects.items) |object| {
+        //if (object.vtable.tick) |tick_fn| {
+        //tick_fn(object.ptr, dt);
+        //}
+        //}
+        _ = self;
+        _ = dt;
+    }
+
+    pub fn destroy(self: *@This()) void {
+        self.objects.deinit();
+        self.allocator.destroy(self);
+    }
+};
+
+const core = @import("core.zig");
+const std = @import("std");

engine/core/src/inputs/inputStack.zig

@@ -565,6 +565,13 @@ pub const InputStack = struct {
 
     keysDown: std.AutoHashMapUnmanaged(Key, bool) = .{},
 
+    mousePosition: core.Vector2f = .{},
+
+    pub fn setMousePosition(self: *@This(), x: f32, y: f32) void {
+        self.mousePosition.x = x;
+        self.mousePosition.y = y;
+    }
+
     pub var NeonObjectTable: core.EngineObjectVTable = core.EngineObjectVTable.from(@This(), "core.InputStack");
 
     pub fn init(allocator: std.mem.Allocator) !*@This() {

engine/core/src/math.zig

@@ -159,6 +159,18 @@ pub fn Vector2Type(comptime T: type, comptime typeName: []const u8) type {
             };
         }
 
+        pub inline fn negate(self: @This()) @This() {
+            return .{ .x = -self.x, .y = self.y };
+        }
+
+        pub inline fn cross(self: @This(), other: @This()) T {
+            return self.x * other.y - self.y * other.x;
+        }
+
+        pub inline fn removeComponent(self: @This(), other: @This()) @This() {
+            return self.sub(other.fmul(self.dot(other)));
+        }
+
         pub inline fn from(o: anytype) @This() {
             const OType: std.builtin.Type = @typeInfo(@TypeOf(o.x));
             switch (@typeInfo(T)) {

engine/core/src/utils/gameObjectList.zig

@@ -1,4 +1,4 @@
-// helper, add this to your game manager class and invoke it's tick,
+// helper, add this to your game manager class and invoke it's tick.
 //
 // will automatically manage spawning and despawning entities and manage de-initialization for you
 // i actually don't reccomend using this for the most part for more serious games
@@ -8,7 +8,9 @@
 //
 // however if you want to define prefabs, then something like this might be useful.
 //
-// Like i said, more geared towards gamejams and toys than serious work.
+// if this were to be a bit more serious...
+//
+// how would i use it.
 
 pub const GameObjectInterfaceVTable = struct {
     destroy: *const fn (*anyopaque) void,
@@ -42,6 +44,7 @@ pub const GameObjectList = struct {
     allocator: std.mem.Allocator,
 
     // slots might be better? allow for stable indexes?
+    // index pool?
     objects: std.ArrayListUnmanaged(GameObjectInterface) = .{},
 
     pub fn create(allocator: std.mem.Allocator) !*@This() {

engine/papyrus/src/papyrus.zig

@@ -1206,7 +1206,7 @@ pub const Context = struct {
         const defaultHeight = 16;
         const sizePerLine: f32 = defaultHeight + 2;
         const yOffsetPerLine: f32 = defaultHeight + 1;
-        var yOffset: f32 = sizePerLine;
+        var yOffset: f32 = sizePerLine * 2;
         const width = defaultHeight / 2 * 120;
 
         const fontHandle = self.fontCache.defaultMonoFont.atlas.fontHandle;

engine/platform/src/windowing.zig

@@ -209,8 +209,13 @@ pub const PlatformInstance = struct {
                 if (self.imguiMouseConsumed and (event.type == sdl3.events.mouse_button_down or event.type == sdl3.events.mouse_button_up)) {
                     shouldSkip = true;
                 }
-                if (!shouldSkip)
+                if (!shouldSkip) {
                     inputStack.routeEvent(converted);
+
+                    if (event.type == sdl3.events.mouse_motion) {
+                        inputStack.setMousePosition(self.cursorPos.x, self.cursorPos.y);
+                    }
+                }
             }
 
             switch (event.type) {

engine/rend/src/particles/particles.zig

@@ -375,6 +375,7 @@ pub const ParticleEmitter = struct {
         self.entity = core.Entity{ .handle = handle };
 
         self.texture = rend.getTexture(&t_whiteName).?;
+        core.engine_logs("wtf");
         self.mesh = rend.getMeshByName(&m_quad).?;
 
         if (self.entity.fetch(core.Scene)) |scene| {

engine/rend/src/sgpu/DebugDrawSystem.zig

@@ -155,7 +155,7 @@ pub fn createBuffers(self: *@This()) !void {
         .props = 0,
     });
 
-    self.ssobUpload = self.device.createGPUTransferBuffer(&.{
+    self.ssobUpload = rend.renderer.createGPUTransferBuffer(&.{
         .usage = .transferbufferusageUpload,
         .size = MaxObjectCount * @sizeOf(debug_vert.Scene),
         .props = 0,

engine/rend/src/sgpu/ParticleRenderer.zig

@@ -32,7 +32,7 @@ pub fn create(allocator: std.mem.Allocator) !*@This() {
         .props = 0,
     });
 
-    self.ssboSceneUpload = device.createGPUTransferBuffer(&.{
+    self.ssboSceneUpload = rend.renderer.createGPUTransferBuffer(&.{
         .usage = .transferbufferusageUpload,
         .size = MaxParticleCount * @sizeOf(meshes_vert.Scene),
         .props = 0,

engine/rend/src/sgpu/TextureList.zig

@@ -101,13 +101,14 @@ pub fn uploadCubeFromPaths(self: *@This(), name: core.Name, paths: []const []con
             try core.assert(cubeList.items[0].size.x == cubeList.items[0].size.y);
         }
 
-        const transferBuffer = self.device.createGPUTransferBuffer(&.{
+        const transferBufferSize = textureSize * textureSize * @sizeOf(u32);
+        const transferBuffer = rend.renderer.createGPUTransferBuffer(&.{
             .usage = .transferbufferusageUpload,
             .size = textureSize * textureSize * @sizeOf(u32),
             .props = 0,
         });
 
-        defer self.device.releaseGPUTransferBuffer(transferBuffer);
+        defer rend.renderer.releaseGPUTransferBuffer(transferBuffer, transferBufferSize);
 
         const gtti: gpu.GPUTextureTransferInfo = .{
             .transfer_buffer = transferBuffer,
@@ -199,9 +200,10 @@ pub fn uploadTextureFromBytes(self: *@This(), name: *core.Name, opts: UploadText
         .num_levels = mipLevelCount,
     }));
 
-    const transferBuffer = self.device.createGPUTransferBuffer(&.{
+    const transferBufferSize = opts.size.x * opts.size.y * @sizeOf(u32);
+    const transferBuffer = rend.renderer.createGPUTransferBuffer(&.{
         .usage = .transferbufferusageUpload,
-        .size = opts.size.x * opts.size.y * @sizeOf(u32),
+        .size = transferBufferSize,
         .props = 0,
     });
 
@@ -240,7 +242,7 @@ pub fn uploadTextureFromBytes(self: *@This(), name: *core.Name, opts: UploadText
     if (!cmd.submitGPUCommandBuffer()) {
         return error.CopyFailed;
     }
-    self.device.releaseGPUTransferBuffer(transferBuffer);
+    rend.renderer.releaseGPUTransferBuffer(transferBuffer, transferBufferSize);
 
     const tex = try self.allocator.create(Texture);
     tex.* = .{
@@ -277,9 +279,10 @@ pub fn uploadTextureFromPath(self: *@This(), name: core.Name, path: []const u8)
         .num_levels = mipLevelCount,
     }));
 
-    const transferBuffer = self.device.createGPUTransferBuffer(&.{
+    const transferBufferSize = png.size.x * png.size.y * @sizeOf(u32);
+    const transferBuffer = rend.renderer.createGPUTransferBuffer(&.{
         .usage = .transferbufferusageUpload,
-        .size = png.size.x * png.size.y * @sizeOf(u32),
+        .size = transferBufferSize,
         .props = 0,
     });
 
@@ -318,7 +321,7 @@ pub fn uploadTextureFromPath(self: *@This(), name: core.Name, path: []const u8)
     if (!cmd.submitGPUCommandBuffer()) {
         return error.CopyFailed;
     }
-    self.device.releaseGPUTransferBuffer(transferBuffer);
+    rend.renderer.releaseGPUTransferBuffer(transferBuffer, transferBufferSize);
 
     const tex = try self.allocator.create(Texture);
     tex.* = .{

engine/rend/src/sgpu/mesh-pool.zig

@@ -14,6 +14,7 @@ pub const MeshPool = struct {
     device: *gpu.GPUDevice,
 
     destroyList: std.ArrayList(*gpu.GPUTransferBuffer),
+    destroyListSizes: std.ArrayList(usize),
 
     installedMeshes: std.AutoHashMapUnmanaged(u32, meshes.IndexedMesh) = .{},
 
@@ -26,6 +27,7 @@ pub const MeshPool = struct {
             .vertexSpans = try core.MergedSpans.init(allocator, settings.vertexCount),
             .meshUpdates = try core.RingQueue(rend.MeshUpdate).init(allocator, 128),
             .destroyList = std.ArrayList(*gpu.GPUTransferBuffer).init(allocator),
+            .destroyListSizes = std.ArrayList(usize).init(allocator),
             .device = device,
         };
 
@@ -67,11 +69,12 @@ pub const MeshPool = struct {
     pub fn onUploadCleanup(p: *anyopaque) void {
         const self: *@This() = @ptrCast(@alignCast(p));
 
-        for (self.destroyList.items) |transferBuffer| {
-            self.device.releaseGPUTransferBuffer(transferBuffer);
+        for (self.destroyList.items, 0..) |transferBuffer, i| {
+            rend.renderer.releaseGPUTransferBuffer(transferBuffer, self.destroyListSizes.items[i]);
         }
 
         self.destroyList.clearRetainingCapacity();
+        self.destroyListSizes.clearRetainingCapacity();
     }
 
     pub const JointMap = std.AutoHashMapUnmanaged(u32, u32);
@@ -170,8 +173,10 @@ pub const MeshPool = struct {
         uploadSlice: []const T,
     ) !core.Span {
         const newSpan = try mergedSpans.allocate(@intCast(uploadSlice.len));
-        const upload = self.device.createGPUTransferBuffer(&.{ .usage = .transferbufferusageUpload, .size = @sizeOf(T) * newSpan.size, .props = 0 });
+        const uploadSize = @sizeOf(T) * newSpan.size;
+        const upload = rend.renderer.createGPUTransferBuffer(&.{ .usage = .transferbufferusageUpload, .size = uploadSize, .props = 0 });
         try self.destroyList.append(upload);
+        try self.destroyListSizes.append(uploadSize);
 
         var mappedSlice: []T = undefined;
         mappedSlice.ptr = @ptrCast(@alignCast(self.device.mapGPUTransferBuffer(upload, false)));
@@ -207,6 +212,7 @@ pub const MeshPool = struct {
 
         self.installedMeshes.deinit(self.allocator);
         self.destroyList.deinit();
+        self.destroyListSizes.deinit();
         self.indexSpans.deinit();
         self.meshUpdates.deinit();
         self.vertexSpans.deinit();

engine/rend/src/sgpu/renderer.zig

@@ -623,7 +623,7 @@ pub const Renderer = struct {
             .props = 0,
         });
 
-        self.ssboSceneUpload = self.device.createGPUTransferBuffer(&.{
+        self.ssboSceneUpload = createGPUTransferBuffer(&.{
             .usage = .transferbufferusageUpload,
             .size = MaxObjectCount * @sizeOf(meshes_vert.Scene),
             .props = 0,
@@ -638,7 +638,7 @@ pub const Renderer = struct {
             .props = 0,
         });
 
-        self.ssboAnimationUpload = self.device.createGPUTransferBuffer(&.{
+        self.ssboAnimationUpload = createGPUTransferBuffer(&.{
             .usage = .transferbufferusageUpload,
             .size = MaxObjectCount * @sizeOf(meshes_vert.BoneTransform),
             .props = 0,
@@ -1284,6 +1284,16 @@ pub fn getTexture(name: *core.Name) ?*rend.Texture {
     return context().textureList.map.get(name.handle());
 }
 
+pub fn createGPUTransferBuffer(createInfo: *const gpu.GPUTransferBufferCreateInfo) *gpu.GPUTransferBuffer {
+    core.MemoryTracker.MTAddUntrackedAllocation(@intCast(createInfo.size));
+    return context().device.createGPUTransferBuffer(createInfo);
+}
+
+pub fn releaseGPUTransferBuffer(transferBuffer: *gpu.GPUTransferBuffer, size: usize) void {
+    core.MemoryTracker.MTRemoveAllocation(size);
+    context().device.releaseGPUTransferBuffer(transferBuffer);
+}
+
 pub const RendererState = struct {
     copyPass: ?*gpu.GPURenderPass = null,
     pass: ?*gpu.GPURenderPass = null,

engine/rend/src/sgpu/ssao.zig

@@ -70,12 +70,13 @@ pub fn createNoiseTexture(self: *@This()) !void {
     });
     self.noiseTexture = ctx.device.createGPUTexture(&tci);
 
-    const transferBuffer = ctx.device.createGPUTransferBuffer(&.{
+    const transferBufferSize = textureSize * textureSize * @sizeOf(f32) * 4;
+    const transferBuffer = rend.renderer.createGPUTransferBuffer(&.{
         .usage = .transferbufferusageUpload,
-        .size = textureSize * textureSize * @sizeOf(f32) * 4,
+        .size = transferBufferSize,
         .props = 0,
     });
-    defer ctx.device.releaseGPUTransferBuffer(transferBuffer);
+    defer rend.renderer.releaseGPUTransferBuffer(transferBuffer, transferBufferSize);
 
     const gtti: gpu.GPUTextureTransferInfo = .{
         .transfer_buffer = transferBuffer,

engine/ui/src/sgpu/papyrusSgpu.zig

@@ -27,6 +27,8 @@ textRenderers: std.AutoHashMapUnmanaged(*papyrus.Context, *TextRenderer) = .{},
 
 reloadingShaders: bool = false,
 
+lastEventsCount: u64 = 0,
+
 const DrawCommand = union(enum(u8)) {
     rect: struct {
         ssboIndex: u32,
@@ -66,7 +68,7 @@ const SsboBuffer = struct {
                 .props = 0,
             };
 
-            self.staging = device.createGPUTransferBuffer(&bci);
+            self.staging = rend.renderer.createGPUTransferBuffer(&bci);
         }
 
         core.engine_log("buffer created elementSize: {d}  count: {d}", .{ elementSize, count });
@@ -129,9 +131,27 @@ pub fn create(allocator: std.mem.Allocator) !*@This() {
 }
 
 pub fn tick(self: *@This(), dt: f64) void {
+    const inputStack = core.getInputStack();
+    self.screenContext.setCursorLocation(.{
+        .x = @floatCast(inputStack.mousePosition.x),
+        .y = @floatCast(inputStack.mousePosition.y),
+    });
+
     self.screenContext.tick(dt) catch {
         core.engine_errs("unable to tick papyrus");
     };
+
+    self.screenContext.pushDebugText("fps: {d:.2} ({d:.4}ms)", .{ 1 / core.getEngine().averageFrameTime, core.getEngine().averageFrameTime }) catch {};
+
+    if (core.MemoryTracker.MTGet()) |tracker| {
+        self.screenContext.pushDebugText("memory used: {d:.4} MiB in {d} allocations {d} events per frame", .{
+            @as(f64, @floatFromInt(tracker.totalAllocSize)) / 1024 / 1024,
+            tracker.allocationsCount,
+            tracker.eventsCount - self.lastEventsCount,
+        }) catch {};
+
+        self.lastEventsCount = tracker.eventsCount;
+    }
 }
 
 pub fn setup(self: *@This()) !void {

engine/ui/src/sgpu/textRenderer.zig

@@ -383,7 +383,9 @@ pub const TextMeshBuffer = struct {
     indexBuffer: *gpu.GPUBuffer = undefined,
     vertexBuffer: *gpu.GPUBuffer = undefined,
     indexTransferBuffer: *gpu.GPUTransferBuffer = undefined,
+    indexTransferBufferSize: usize,
     vertexTransferBuffer: *gpu.GPUTransferBuffer = undefined,
+    vertexTransferBufferSize: usize,
     indexCount: u32 = 0,
     isSDF: bool = true,
     fontHandle: u32 = 0,
@@ -395,15 +397,18 @@ pub const TextMeshBuffer = struct {
         const vertexBufferCount: u32 = maxChars * 4;
         const indexBufferCount: u32 = maxChars * 6;
 
+        self.vertexTransferBufferSize = vertexBufferCount * @sizeOf(TextMeshVertex);
+        self.indexTransferBufferSize = indexBufferCount * @sizeOf(u32);
+
         const ctx = rend.context();
 
-        self.vertexTransferBuffer = ctx.device.createGPUTransferBuffer(&.{
+        self.vertexTransferBuffer = rend.renderer.createGPUTransferBuffer(&.{
             .usage = .transferbufferusageUpload,
             .size = vertexBufferCount * @sizeOf(TextMeshVertex),
             .props = 0,
         });
 
-        self.indexTransferBuffer = ctx.device.createGPUTransferBuffer(&.{
+        self.indexTransferBuffer = rend.renderer.createGPUTransferBuffer(&.{
             .usage = .transferbufferusageUpload,
             .size = indexBufferCount * @sizeOf(u32),
             .props = 0,
@@ -429,8 +434,8 @@ pub const TextMeshBuffer = struct {
 
         ctx.device.releaseGPUBuffer(self.indexBuffer);
         ctx.device.releaseGPUBuffer(self.vertexBuffer);
-        ctx.device.releaseGPUTransferBuffer(self.indexTransferBuffer);
-        ctx.device.releaseGPUTransferBuffer(self.vertexTransferBuffer);
+        rend.renderer.releaseGPUTransferBuffer(self.indexTransferBuffer, self.indexTransferBufferSize);
+        rend.renderer.releaseGPUTransferBuffer(self.vertexTransferBuffer, self.vertexTransferBufferSize);
 
         allocator.destroy(self);
     }

extras/gameExtras/src/debuggers/RendererDebug.zig

@@ -66,6 +66,26 @@ pub fn windowOpen(entry: *igu.MenuEntry, dt: f64) void {
                 rend.setSkyboxTexture(name.utf8());
             }
         }
+
+        ig.textFmt("textures", .{}) catch unreachable;
+        ig.separator();
+
+        {
+            var iter = rend.context().textureList.map.iterator();
+            while (iter.next()) |n| {
+                ig.textFmt("{s}", .{n.value_ptr.*.name.utf8()}) catch unreachable;
+            }
+        }
+
+        ig.textFmt("meshes", .{}) catch unreachable;
+        ig.separator();
+
+        {
+            var iter = rend.context().meshPool.installedMeshes.iterator();
+            while (iter.next()) |n| {
+                ig.textFmt("{s}", .{n.value_ptr.*.name.utf8()}) catch unreachable;
+            }
+        }
     }
     ig.end();
 }

extras/gameExtras/src/gameExtras.zig

@@ -1,5 +1,4 @@
 pub const FpCamera = @import("gameplay/FpCamera.zig");
-pub const pawns = @import("gameplay/pawns.zig");
 pub const games = @import("gameplay/games.zig");
 
 pub const inputDebugger = @import("debuggers/inputDebugger.zig");

extras/gameExtras/src/gameplay/FpCharacter.zig

@@ -1 +0,0 @@
-// creates a

extras/gameExtras/src/gameplay/pawns.zig

@@ -1 +0,0 @@
-// this is an implementation of

lib/p2/src/structures/names.zig

@@ -175,16 +175,16 @@ pub const Name = struct {
         return getRegistry().pagedVector.get(self.index.?).*;
     }
 
-    pub fn eql(self: *const @This(), other: *const @This()) bool {
+    pub fn eql(self: *@This(), other: *@This()) bool {
         if (self.index == null) {
             const index = getRegistry().InstallNameInner(self.string, false);
-            const mutableThis = @as(*@This(), @ptrCast(@constCast(self)));
+            const mutableThis = self;
             mutableThis.*.index = index;
         }
 
         if (other.index == null) {
             const index = getRegistry().InstallNameInner(self.string, false);
-            const mutableThis = @as(*@This(), @ptrCast(@constCast(self)));
+            const mutableThis = self;
             mutableThis.*.index = index;
         }
 

lib/p2/src/structures/sparse-set.zig

@@ -555,6 +555,10 @@ pub fn SparseSetAdvanced(comptime T: type, comptime SparseSize: u32) type {
             self.dense.deinit(self.allocator);
         }
 
+        pub fn denseList(self: @This()) []const T {
+            return self.dense.items;
+        }
+
         pub const EcsContainerInterfaceVTable = EcsContainerInterface.Implement(@This());
 
         pub fn handleExists(self: @This(), handle: SetHandle) bool {

lib/packer/src/packerfs.zig

@@ -164,7 +164,6 @@ pub const PackerFS = struct {
 
     pub fn watchCallback(path: [*c]const u8, ctx: ?*anyopaque) callconv(.C) void {
         const self: *@This() = @ptrCast(@alignCast(ctx));
-        // std.debug.print("WE GOT OURSELFS A FUCKIN CALLBAKC FOR A PATH MOTHERF- {s} {p} {d}\n", .{ path, ctx.?, self.pakMountings.items.len });
 
         for (self.fileWatchCallbacks.items) |*watch| {
             // std.debug.print("checking {s} {s}\n", .{ watch.path, path });

projects/sampleGame/externGame/externGame.zig

@@ -55,13 +55,20 @@ pub const ExternGameObject = struct {
 
     //lmao: bool = false,
     //lmao2: bool = true,
-    a: bool = false,
     // lib: bool = false,
     //s: u32 = 0x42,
 
     fireInput: ?*core.ActionBinding = null,
     altFireInput: ?*core.ActionBinding = null,
 
+    a: core.Vector2f = .{ .x = 1, .y = 4 },
+    b: core.Vector2f = .{ .x = 4, .y = 1 },
+
+    Anormal: core.Vector2f = .{ .x = -1, .y = 3 },
+    Bnormal: core.Vector2f = .{ .x = -1, .y = -3 },
+
+    displayVectorsTest: bool = false,
+
     pub fn beginPlay(p: *anyopaque) void {
         const self = core.cast(*@This(), p);
         self._beginPlay() catch {
@@ -149,6 +156,83 @@ pub const ExternGameObject = struct {
         return self;
     }
 
+    fn editVector2(comptime Name: []const u8, v: *core.Vector2f) void {
+        const ItemWidth = 120;
+
+        ig.textFmt(Name, .{}) catch {};
+        ig.sameLine(0, 10);
+        ig.setNextItemWidth(ItemWidth);
+        _ = ig.inputFloat("X##particleEd" ++ Name, &v.x, 1.0, 5.0, null, .{});
+        ig.sameLine(0, 10);
+        ig.setNextItemWidth(ItemWidth);
+        _ = ig.inputFloat("Y##particleEd" ++ Name, &v.y, 1.0, 5.0, null, .{});
+    }
+
+    fn v2ToV3(v: core.Vector2f) core.Vectorf {
+        return core.Vectorf{ .x = v.x, .z = v.y, .y = 0 };
+    }
+
+    pub fn intersectLine(p1: core.Vector2f, v1: core.Vector2f, p2: core.Vector2f, v2: core.Vector2f) ?core.Vector2f {
+        const denom = v1.x * v2.y - v1.y * v2.x;
+
+        if (@abs(denom) < 0.00001) {
+            return null;
+        }
+        const t = ((p2.x - p1.x) * v2.y - (p2.y - p1.y) * v2.x) / denom;
+
+        return .{
+            .x = p1.x + t * v1.x,
+            .y = p1.y + t * v1.y,
+        };
+    }
+
+    pub fn drawVector2Test(self: *@This()) void {
+        if (ig.begin("vector2Test", null, .{})) {
+            editVector2("a", &self.a);
+            editVector2("Anormal", &self.Anormal);
+            ig.separator();
+            editVector2("b", &self.b);
+            editVector2("Bnormal", &self.Bnormal);
+        }
+        ig.end();
+
+        const a = core.Vectorf{ .x = self.a.x, .z = self.a.y, .y = 0 };
+        const b = core.Vectorf{ .x = self.b.x, .z = self.b.y, .y = 0 };
+
+        const A = core.Vectorf{ .x = self.Anormal.x, .z = self.Anormal.y, .y = 0 };
+        const B = core.Vectorf{ .x = self.Bnormal.x, .z = self.Bnormal.y, .y = 0 };
+
+        core.debugSphere(a, 0.1, .{});
+        core.debugSphere(b, 0.1, .{});
+
+        core.debugLine(a, a.add(A), .{ .color = .{ .y = 0, .x = 1.0 } });
+        core.debugLine(b, b.add(B), .{ .color = .{ .y = 0, .x = 1.0 } });
+
+        const Vab = self.b.sub(self.a);
+        const Vba = Vab.negate();
+
+        core.debugLine(a, a.add(v2ToV3(Vab)), .{ .color = .{ .x = 1.0, .z = 1.0 } });
+        // const ADwall = Vab.dot(self.Anormal.removeComponent(Vab.normalize()).normalize());
+        // const BDwall = Vba.dot(self.Anormal.removeComponent(Vba.normalize()).normalize());
+
+        //const Awall = Vab.removeComponent(self.Anormal.normalize()).normalize().fmul(ADwall).normalize();
+        const Awall = Vab.removeComponent(self.Anormal.normalize()).normalize();
+        const Bwall = Vba.removeComponent(self.Bnormal.normalize()).normalize();
+
+        //ig.textFmt("Awall: {d} {d}", .{ Awall.x, Awall.y }) catch {};
+        core.debugLine(a.sub(v2ToV3(Awall).fmul(10)), a.add(v2ToV3(Awall).fmul(10)), .{ .color = .{ .y = 1.0, .z = 1.0 } });
+
+        // ig.textFmt("Bwall: {d} {d}", .{ Bwall.x, Bwall.y }) catch {};
+        core.debugLine(b.sub(v2ToV3(Bwall).fmul(10)), b.add(v2ToV3(Bwall).fmul(10)), .{ .color = .{ .y = 1.0, .z = 1.0 } });
+
+        const vp = intersectLine(self.a, Awall.normalize(), self.b, Bwall.normalize()) orelse {
+            return;
+        };
+
+        // ig.textFmt("p, y: {d} {d}", .{ vp.x, vp.y }) catch {};
+        core.debugSphere(v2ToV3(vp), 0.1, .{ .color = .{ .y = 1.0, .z = 1.0, .x = 1.0 } });
+    }
+
     pub fn addBox(position: core.Vectorf) !void {
         const box2 = try core.createEntity();
         const scene = box2.addComponent(core.Scene).?;
@@ -223,6 +307,10 @@ pub const ExternGameObject = struct {
             topbar.menuOpen = platform.context().isCursorEnabled();
         }
 
+        if (self.displayVectorsTest) {
+            self.drawVector2Test();
+        }
+
         if (platform.context().isCursorEnabled()) {
             if (ig.begin("meh", null, .{})) {
                 // if (ig.checkbox("move lights ", null)) {}
@@ -247,6 +335,9 @@ pub const ExternGameObject = struct {
                 if (ig.smallButton("dumpTimeline")) {
                     core.MemoryTracker.dumpTimeline("timeline.txt") catch unreachable;
                 }
+
+                if (ig.checkbox("vectors test", &self.displayVectorsTest)) {}
+                if (ig.checkbox("showdebug", &ui.context().screenContext.drawDebug)) {}
             }
             ig.end();