wip orca zig bindings

2023-09-11 23:10:52 -07:00 · 2023-09-11 23:10:52 -07:00 · ee2d14e0e7
parent b85efa4bc7
commit ee2d14e0e7
2 changed files with 270 additions and 12 deletions
--- a/samples/calc-zig/src/main.zig
+++ b/samples/calc-zig/src/main.zig
@ -2,20 +2,53 @@ const std = @import("std");
 const oc = @import("orca");

 var counter: u32 = 0;
+var lastSeconds: f64 = 0;

 export fn oc_on_init() void {
-    oc.log_info("counter: {}", .{counter}, @src());
+    oc.logInfo("platform: {}", .{oc.getHostPlatform()}, @src());
+
+    oc.windowSetTitle("zig calc");
+    oc.windowSetSize(oc.vec2{ .x = 480, .y = 640 });
+}
+
+export fn oc_on_resize(width: u32, height: u32) void {
+    oc.logInfo("frame resize: {}, {}", .{ width, height }, @src());
+}
+
+export fn oc_on_mouse_down(button: c_int) void {
+    oc.logInfo("mouse down! {}", .{button}, @src());
+}
+
+export fn oc_on_mouse_up(button: c_int) void {
+    oc.logInfo("mouse up! {}", .{button}, @src());
+}
+
+export fn oc_on_key_down(key: c_int) void {
+    oc.logInfo("key down: {}", .{key}, @src());
+}
+
+export fn oc_on_key_up(key: c_int) void {
+    oc.logInfo("key up: {}", .{key}, @src());
+
+    switch (key) {
+        oc.KeyCodes.escape => oc.requestQuit(),
+        oc.KeyCodes.b => oc.abort("aborting", .{}, @src()),
+        oc.KeyCodes.a => oc.assert(false, "test assert failed", .{}, @src()),
+        else => {},
+    }
 }

 export fn oc_on_frame_refresh() void {
    counter += 1;
-    oc.log_info("counter: {}", .{counter}, @src());

-    if (counter == 10) {
-        oc.oc_request_quit();
+    const secs: f64 = oc.clockTime(oc.Clock.Date);
+
+    if (lastSeconds != @floor(secs)) {
+        lastSeconds = @floor(secs);
+        oc.logInfo("seconds since Jan 1, 1970: {d:.0}", .{secs}, @src());
    }
 }

 export fn oc_on_terminate() void {
-    oc.log_info("byebye", .{}, @src());
+    oc.logInfo("byebye {}", .{counter}, @src());
 }
--- a/src/orca.zig
+++ b/src/orca.zig
@ -1,15 +1,240 @@
 const std = @import("std");
-const c = @cImport({
+const orca_c = @cImport({
    @cDefine("__ORCA__", "");
    @cInclude("orca.h");
 });

-pub fn log_info(comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
-    var format_buf: [512:0]u8 = undefined;
-    _ = std.fmt.bufPrintZ(&format_buf, fmt, args) catch 0; // just discard NoSpaceLeft error for now
+pub const str8 = orca_c.oc_str8;
+pub const vec2 = struct {
+    x: f32,
+    y: f32,
+};

-    var line: c_int = @intCast(source.line);
-    c.oc_log_ext(c.OC_LOG_LEVEL_INFO, source.fn_name.ptr, source.file.ptr, line, format_buf[0..].ptr);
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// platform
+
+pub const Platform = enum(c_uint) {
+    MacOS,
+    Windows,
+};
+
+pub fn getHostPlatform() Platform {
+    return @enumFromInt(orca_c.oc_get_host_platform());
 }

-pub const oc_request_quit = c.oc_request_quit;
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// platform debug
+
+pub fn logInfo(comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    logExt(orca_c.OC_LOG_LEVEL_INFO, fmt, args, source);
+}
+
+pub fn logWarning(comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    logExt(orca_c.OC_LOG_LEVEL_WARNING, fmt, args, source);
+}
+
+pub fn logError(comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    logExt(orca_c.OC_LOG_LEVEL_ERROR, fmt, args, source);
+}
+
+pub fn logExt(comptime level: orca_c.oc_log_level, comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    var format_buf: [512:0]u8 = undefined;
+    _ = std.fmt.bufPrintZ(&format_buf, fmt, args) catch 0; // just discard NoSpaceLeft error for now
+    var line: c_int = @intCast(source.line);
+
+    orca_c.oc_log_ext(level, source.fn_name.ptr, source.file.ptr, line, format_buf[0..].ptr);
+}
+
+pub fn assert(condition: bool, comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    if (condition == false) {
+        var format_buf: [512:0]u8 = undefined;
+        _ = std.fmt.bufPrintZ(&format_buf, fmt, args) catch 0;
+        var line: c_int = @intCast(source.line);
+
+        orca_c.oc_assert_fail(source.file.ptr, source.fn_name.ptr, line, "<unknown failure>", format_buf[0..].ptr);
+    }
+}
+
+pub fn abort(comptime fmt: []const u8, args: anytype, source: std.builtin.SourceLocation) void {
+    var format_buf: [512:0]u8 = undefined;
+    _ = std.fmt.bufPrintZ(&format_buf, fmt, args) catch 0;
+    var line: c_int = @intCast(source.line);
+
+    orca_c.oc_abort_ext(source.file.ptr, source.fn_name.ptr, line, format_buf[0..].ptr);
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// app
+
+pub const requestQuit = orca_c.oc_request_quit;
+
+const MouseCursor = enum(c_uint) {
+    Arrow,
+    Resize0,
+    Resize90,
+    Resize45,
+    Resize135,
+    Text,
+};
+pub fn setCursor(cursor: MouseCursor) void {
+    orca_c.oc_set_cursor(@intFromEnum(cursor));
+}
+
+pub const KeyCodes = struct {
+    pub const unknown: c_int = orca_c.OC_KEY_UNKNOWN;
+    pub const space: c_int = orca_c.OC_KEY_SPACE;
+    pub const apostrophe: c_int = orca_c.OC_KEY_APOSTROPHE;
+    pub const comma: c_int = orca_c.OC_KEY_COMMA;
+    pub const minus: c_int = orca_c.OC_KEY_MINUS;
+    pub const period: c_int = orca_c.OC_KEY_PERIOD;
+    pub const slash: c_int = orca_c.OC_KEY_SLASH;
+    pub const num_0: c_int = orca_c.OC_KEY_0;
+    pub const num_1: c_int = orca_c.OC_KEY_1;
+    pub const num_2: c_int = orca_c.OC_KEY_2;
+    pub const num_3: c_int = orca_c.OC_KEY_3;
+    pub const num_4: c_int = orca_c.OC_KEY_4;
+    pub const num_5: c_int = orca_c.OC_KEY_5;
+    pub const num_6: c_int = orca_c.OC_KEY_6;
+    pub const num_7: c_int = orca_c.OC_KEY_7;
+    pub const num_8: c_int = orca_c.OC_KEY_8;
+    pub const num_9: c_int = orca_c.OC_KEY_9;
+    pub const semicolon: c_int = orca_c.OC_KEY_SEMICOLON;
+    pub const equal: c_int = orca_c.OC_KEY_EQUAL;
+    pub const a: c_int = orca_c.OC_KEY_A;
+    pub const b: c_int = orca_c.OC_KEY_B;
+    pub const c: c_int = orca_c.OC_KEY_C;
+    pub const d: c_int = orca_c.OC_KEY_D;
+    pub const e: c_int = orca_c.OC_KEY_E;
+    pub const f: c_int = orca_c.OC_KEY_F;
+    pub const g: c_int = orca_c.OC_KEY_G;
+    pub const h: c_int = orca_c.OC_KEY_H;
+    pub const i: c_int = orca_c.OC_KEY_I;
+    pub const j: c_int = orca_c.OC_KEY_J;
+    pub const k: c_int = orca_c.OC_KEY_K;
+    pub const l: c_int = orca_c.OC_KEY_L;
+    pub const m: c_int = orca_c.OC_KEY_M;
+    pub const n: c_int = orca_c.OC_KEY_N;
+    pub const o: c_int = orca_c.OC_KEY_O;
+    pub const p: c_int = orca_c.OC_KEY_P;
+    pub const q: c_int = orca_c.OC_KEY_Q;
+    pub const r: c_int = orca_c.OC_KEY_R;
+    pub const s: c_int = orca_c.OC_KEY_S;
+    pub const t: c_int = orca_c.OC_KEY_T;
+    pub const u: c_int = orca_c.OC_KEY_U;
+    pub const v: c_int = orca_c.OC_KEY_V;
+    pub const w: c_int = orca_c.OC_KEY_W;
+    pub const x: c_int = orca_c.OC_KEY_X;
+    pub const y: c_int = orca_c.OC_KEY_Y;
+    pub const z: c_int = orca_c.OC_KEY_Z;
+    pub const left_bracket: c_int = orca_c.OC_KEY_LEFT_BRACKET;
+    pub const backslash: c_int = orca_c.OC_KEY_BACKSLASH;
+    pub const right_bracket: c_int = orca_c.OC_KEY_RIGHT_BRACKET;
+    pub const grave_accent: c_int = orca_c.OC_KEY_GRAVE_ACCENT;
+    pub const world_1: c_int = orca_c.OC_KEY_WORLD_1;
+    pub const world_2: c_int = orca_c.OC_KEY_WORLD_2;
+    pub const escape: c_int = orca_c.OC_KEY_ESCAPE;
+    pub const enter: c_int = orca_c.OC_KEY_ENTER;
+    pub const tab: c_int = orca_c.OC_KEY_TAB;
+    pub const backspace: c_int = orca_c.OC_KEY_BACKSPACE;
+    pub const insert: c_int = orca_c.OC_KEY_INSERT;
+    pub const delete: c_int = orca_c.OC_KEY_DELETE;
+    pub const right: c_int = orca_c.OC_KEY_RIGHT;
+    pub const left: c_int = orca_c.OC_KEY_LEFT;
+    pub const down: c_int = orca_c.OC_KEY_DOWN;
+    pub const up: c_int = orca_c.OC_KEY_UP;
+    pub const page_up: c_int = orca_c.OC_KEY_PAGE_UP;
+    pub const page_down: c_int = orca_c.OC_KEY_PAGE_DOWN;
+    pub const home: c_int = orca_c.OC_KEY_HOME;
+    pub const end: c_int = orca_c.OC_KEY_END;
+    pub const caps_lock: c_int = orca_c.OC_KEY_CAPS_LOCK;
+    pub const scroll_lock: c_int = orca_c.OC_KEY_SCROLL_LOCK;
+    pub const num_lock: c_int = orca_c.OC_KEY_NUM_LOCK;
+    pub const print_screen: c_int = orca_c.OC_KEY_PRINT_SCREEN;
+    pub const pause: c_int = orca_c.OC_KEY_PAUSE;
+    pub const function_1: c_int = orca_c.OC_KEY_F1;
+    pub const function_2: c_int = orca_c.OC_KEY_F2;
+    pub const function_3: c_int = orca_c.OC_KEY_F3;
+    pub const function_4: c_int = orca_c.OC_KEY_F4;
+    pub const function_5: c_int = orca_c.OC_KEY_F5;
+    pub const function_6: c_int = orca_c.OC_KEY_F6;
+    pub const function_7: c_int = orca_c.OC_KEY_F7;
+    pub const function_8: c_int = orca_c.OC_KEY_F8;
+    pub const function_9: c_int = orca_c.OC_KEY_F9;
+    pub const function_10: c_int = orca_c.OC_KEY_F10;
+    pub const function_11: c_int = orca_c.OC_KEY_F11;
+    pub const function_12: c_int = orca_c.OC_KEY_F12;
+    pub const function_13: c_int = orca_c.OC_KEY_F13;
+    pub const function_14: c_int = orca_c.OC_KEY_F14;
+    pub const function_15: c_int = orca_c.OC_KEY_F15;
+    pub const function_16: c_int = orca_c.OC_KEY_F16;
+    pub const function_17: c_int = orca_c.OC_KEY_F17;
+    pub const function_18: c_int = orca_c.OC_KEY_F18;
+    pub const function_19: c_int = orca_c.OC_KEY_F19;
+    pub const function_20: c_int = orca_c.OC_KEY_F20;
+    pub const function_21: c_int = orca_c.OC_KEY_F21;
+    pub const function_22: c_int = orca_c.OC_KEY_F22;
+    pub const function_23: c_int = orca_c.OC_KEY_F23;
+    pub const function_24: c_int = orca_c.OC_KEY_F24;
+    pub const function_25: c_int = orca_c.OC_KEY_F25;
+    pub const kp_0: c_int = orca_c.OC_KEY_KP_0;
+    pub const kp_1: c_int = orca_c.OC_KEY_KP_1;
+    pub const kp_2: c_int = orca_c.OC_KEY_KP_2;
+    pub const kp_3: c_int = orca_c.OC_KEY_KP_3;
+    pub const kp_4: c_int = orca_c.OC_KEY_KP_4;
+    pub const kp_5: c_int = orca_c.OC_KEY_KP_5;
+    pub const kp_6: c_int = orca_c.OC_KEY_KP_6;
+    pub const kp_7: c_int = orca_c.OC_KEY_KP_7;
+    pub const kp_8: c_int = orca_c.OC_KEY_KP_8;
+    pub const kp_9: c_int = orca_c.OC_KEY_KP_9;
+    pub const kp_decimal: c_int = orca_c.OC_KEY_KP_DECIMAL;
+    pub const kp_divide: c_int = orca_c.OC_KEY_KP_DIVIDE;
+    pub const kp_multiply: c_int = orca_c.OC_KEY_KP_MULTIPLY;
+    pub const kp_subtract: c_int = orca_c.OC_KEY_KP_SUBTRACT;
+    pub const kp_add: c_int = orca_c.OC_KEY_KP_ADD;
+    pub const kp_enter: c_int = orca_c.OC_KEY_KP_ENTER;
+    pub const kp_equal: c_int = orca_c.OC_KEY_KP_EQUAL;
+    pub const left_shift: c_int = orca_c.OC_KEY_LEFT_SHIFT;
+    pub const left_control: c_int = orca_c.OC_KEY_LEFT_CONTROL;
+    pub const left_alt: c_int = orca_c.OC_KEY_LEFT_ALT;
+    pub const left_super: c_int = orca_c.OC_KEY_LEFT_SUPER;
+    pub const right_shift: c_int = orca_c.OC_KEY_RIGHT_SHIFT;
+    pub const right_control: c_int = orca_c.OC_KEY_RIGHT_CONTROL;
+    pub const right_alt: c_int = orca_c.OC_KEY_RIGHT_ALT;
+    pub const right_super: c_int = orca_c.OC_KEY_RIGHT_SUPER;
+    pub const menu: c_int = orca_c.OC_KEY_MENU;
+    pub const count: c_int = orca_c.OC_KEY_COUNT;
+};
+
+pub const MouseButtons = struct {
+    pub const left: c_int = orca_c.OC_MOUSE_LEFT;
+    pub const right: c_int = orca_c.OC_MOUSE_RIGHT;
+    pub const middle: c_int = orca_c.OC_MOUSE_MIDDLE;
+    pub const ext1: c_int = orca_c.OC_MOUSE_EXT1;
+    pub const ext2: c_int = orca_c.OC_MOUSE_EXT2;
+};
+
+pub fn windowSetTitle(title: [:0]const u8) void {
+    var title_str8: str8 = .{
+        .ptr = @constCast(title.ptr),
+        .len = title.len,
+    };
+    orca_c.oc_window_set_title(title_str8);
+}
+
+pub fn windowSetSize(size: vec2) void {
+    const c_size: *const orca_c.oc_vec2 = @ptrCast(&size);
+    orca_c.oc_window_set_size(c_size.*);
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// clock
+
+pub const Clock = enum(c_uint) {
+    Monotonic,
+    Uptime,
+    Date,
+};
+
+pub fn clockTime(clock: Clock) f64 {
+    return orca_c.oc_clock_time(@intFromEnum(clock));
+}