48 lines
1.1 KiB
Zig
48 lines
1.1 KiB
Zig
const std = @import("std");
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const c = @import("c");
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const engine = @import("engine");
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const Control = engine.Control;
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pub const camera = true;
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pub const mouse = true;
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// later make this expandable in some way using an allocator.
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pub const Display = struct {
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var debug_buffer: [10][200]u8 = undefined;
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pub fn reset() void {
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inline for (0..debug_buffer.len) |idx| {
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debug_buffer[idx][0] = 0;
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}
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}
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fn empty_line() !usize {
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for (0..debug_buffer.len) |idx| {
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if (debug_buffer[idx][0] == 0) {
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return idx;
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}
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}
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return error.DebugBufferOverflow;
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}
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pub fn add_line(comptime fmt: []const u8, args: anytype) void {
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const line_idx: usize = empty_line()
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catch @panic("debug buffer overflow (too many lines)");
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_ = std.fmt.bufPrintZ(&debug_buffer[line_idx], fmt, args)
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catch @panic("debug buffer overflow (line too long)");
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}
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pub fn render(renderer: *c.SDL_Renderer) void {
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_ = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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const x = 10;
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var y: f32 = 10;
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const line_height = 10;
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inline for (0..debug_buffer.len) |idx| {
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_ = c.SDL_RenderDebugText(renderer, x, y, &debug_buffer[idx]);
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y = y + line_height;
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}
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}
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};
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