Backlog/projects/sampleGame/externGame/externGame.zig

89 lines
2.5 KiB
Zig

pub export fn startup(p_allocator: *anyopaque, p_a: ?*anyopaque) bool {
const allocator = core.modulePreamble(p_allocator, p_a) catch return false;
_ = allocator;
imgui.setupFromModule();
start_module(core.startup_getArgs(p_a.?)) catch return false;
return true;
}
pub export fn add(a: i32, b: i32) i32 {
return a + b;
}
pub export fn subtract(a: i32, b: i32) i32 {
return a + b;
}
var gAllocator: std.mem.Allocator = undefined;
pub fn log(comptime fmt: []const u8, args: anytype) void {
core.engine_log("[ExternGame]: " ++ fmt, args);
}
fn start_module(args: core.ModuleLoaderArgs) !void {
if (args.firstLoad) {
_ = core.createObject(ExternGameObject, .{}) catch {};
return;
}
log("extern game reloaded ", .{});
log("hello mother fucker", .{});
log("accessing old object at {x} same object? {d}", .{ @intFromPtr(core.EngineObject(ExternGameObject).get()), @sizeOf(ExternGameObject) });
log("gonna try something dumb- lets patch the vtable of that old object with my vtable's values", .{});
const ref = core.getEngineObjectRef(ExternGameObject).?;
ref.vtable.tick_func = ExternGameObject.NeonObjectTable.tick_func;
}
pub const ExternGameObject = struct {
pub var NeonObjectTable = core.EngineObjectVTable.from(@This(), "game.ExternGameObject");
allocator: std.mem.Allocator,
pub fn create(allocator: std.mem.Allocator) !*@This() {
const self = try allocator.create(@This());
self.* = .{ .allocator = allocator };
return self;
}
pub fn tick(self: *@This(), dt: f64) void {
_ = self;
_ = dt;
if (ig.begin("external game object", null, .{})) {
ig.textf("sup", .{});
ig.textf("hello !", .{});
ig.textf("sup", .{});
ig.textf("hello !", .{});
ig.textf("sup", .{});
ig.textf("hello !", .{});
ig.textf("sup", .{});
ig.textf("hello !", .{});
ig.textf("sup", .{});
ig.textf("hello !", .{});
ig.textf("sup", .{});
ig.textf("hello !", .{});
_ = ig.sliderFloat("skybox red", &rend.context().skyboxSystem.brightnessFactor, 0, 200, null, .{});
}
ig.end();
}
pub fn destroy(self: *@This()) void {
self.allocator.destroy(self);
}
};
pub export fn shutdown() void {}
const std = @import("std");
const backlog = @import("backlog");
const core = backlog.core;
const imgui = backlog.imgui;
const rend = backlog.rend;
const ig = imgui.api;