From 20e0c1b3ee801adbf926cd162141be4fe207e54c Mon Sep 17 00:00:00 2001
From: Peter Li <peterlimail47@gmail.com>
Date: Mon, 5 May 2025 00:58:05 -0700
Subject: [PATCH] input debugger

---
 engine/core/src/inputs/inputStack.zig   |  2 +-
 extras/gameExtras/src/FpCamera.zig      |  1 +
 extras/gameExtras/src/gameExtras.zig    |  2 ++
 extras/gameExtras/src/inputDebugger.zig | 35 +++++++++++++++++++++++++
 projects/sampleGame/main.zig            |  4 ++-
 5 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 extras/gameExtras/src/inputDebugger.zig

diff --git a/engine/core/src/inputs/inputStack.zig b/engine/core/src/inputs/inputStack.zig
index c79e482..8a977e4 100644
--- a/engine/core/src/inputs/inputStack.zig
+++ b/engine/core/src/inputs/inputStack.zig
@@ -31,7 +31,7 @@ pub fn convertEvent(event: *const sdl3.Event) ?IOEvent {
                 .key = .{
                     .key = scan,
                     .scancode = scan,
-                    .action = if (event.key.down) .keyDown else .keyUp,
+                    .action = if (event.button.down) .keyDown else .keyUp,
                     .mods = 0,
                 },
             };
diff --git a/extras/gameExtras/src/FpCamera.zig b/extras/gameExtras/src/FpCamera.zig
index a5f5e89..ec41d32 100644
--- a/extras/gameExtras/src/FpCamera.zig
+++ b/extras/gameExtras/src/FpCamera.zig
@@ -96,3 +96,4 @@ const std = @import("std");
 const backlog = @import("Backlog");
 const core = backlog.core;
 const rend = backlog.rend;
+const ig = backlog.imgui.api;
diff --git a/extras/gameExtras/src/gameExtras.zig b/extras/gameExtras/src/gameExtras.zig
index 187bcd0..1c16184 100644
--- a/extras/gameExtras/src/gameExtras.zig
+++ b/extras/gameExtras/src/gameExtras.zig
@@ -1 +1,3 @@
 pub const FpCamera = @import("FpCamera.zig");
+
+pub const inputDebugger = @import("inputDebugger.zig");
diff --git a/extras/gameExtras/src/inputDebugger.zig b/extras/gameExtras/src/inputDebugger.zig
new file mode 100644
index 0000000..9bd87f3
--- /dev/null
+++ b/extras/gameExtras/src/inputDebugger.zig
@@ -0,0 +1,35 @@
+allocator: std.mem.Allocator,
+
+fn log(comptime fmt: []const u8, args: anytype) void {
+    core.engine_log("[InputDebugger] " ++ fmt, args);
+}
+
+fn debugShowKeys(binding: anytype) void {
+    ig.textFmt("{s} ({s}) keysDown count: {d}", .{ binding.data.name.utf8(), @typeName(@TypeOf(binding)), binding.data.keysDown.count() }) catch return;
+}
+
+pub fn tick() void {
+    const stack = core.inputs.getInputStack();
+    if (ig.begin("input stack", null, .{})) {
+        for (stack.active.bindingStack.items) |binding| {
+            switch (binding) {
+                .action => |b| {
+                    debugShowKeys(b);
+                },
+                .axis1d => |b| {
+                    debugShowKeys(b);
+                },
+                .axis2d => |b| {
+                    debugShowKeys(b);
+                },
+            }
+        }
+        ig.end();
+    }
+}
+
+const std = @import("std");
+const backlog = @import("Backlog");
+const core = backlog.core;
+const rend = backlog.rend;
+const ig = backlog.imgui.api;
diff --git a/projects/sampleGame/main.zig b/projects/sampleGame/main.zig
index 01e7ed6..fbe0164 100644
--- a/projects/sampleGame/main.zig
+++ b/projects/sampleGame/main.zig
@@ -292,6 +292,7 @@ pub fn getMouseMovement(self: *@This()) core.Vector2f {
 pub fn tick(self: *@This(), dt: f64) void {
     const fdt: f32 = @floatCast(dt);
 
+    extras.inputDebugger.tick();
     self.videoplayer.tick(dt);
     self.doomplayer.tick(dt);
     self.fpcamera.tick(dt);
@@ -354,7 +355,8 @@ pub fn main() anyerror!void {
 
 const DoomPlayer = @import("doomplayer");
 const VideoPlayer = @import("videoplayer");
-const FpCamera = @import("gameExtras").FpCamera;
+const extras = @import("gameExtras");
+const FpCamera = extras.FpCamera;
 const std = @import("std");
 const backlog = @import("Backlog");
 const assets = backlog.assets;