trueno/src/main.jai
2025-04-26 10:51:41 +03:00

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#import "Basic";
#import "Math";
#load "ui/ui.jai";
#load "pipelines.jai";
#load "time.jai";
#load "arbtri.jai";
#load "events.jai";
#load "load.jai";
#load "./shaders/jai/shader_triangle.jai";
state: struct {
pass_action: sg_pass_action;
dpi_scale: float;
fons: *FONScontext;
font_default: s32;
};
Window_Info :: struct {
width: s32;
height: s32;
title: *u8;
};
get_window_info :: () -> Window_Info {
return Window_Info.{
1200,
1200,
"trueno!"
};
}
round_pow2 :: (v: float) -> s32 {
vi := (cast(u32) v) - 1;
for i : 0..4 {
vi |= (vi >> (1<<i));
}
return cast(s32) (vi + 1);
}
init :: () {
sg_setup(*(sg_desc.{
environment = cast,force(sg_environment) sglue_environment(),
logger = .{ func = slog_func },
}));
sgl_setup(*(sgl_desc_t.{
logger = .{ func = slog_func },
}));
sfetch_setup(*(sfetch_desc_t.{
logger = .{ func = slog_func },
}));
stm_setup();
state.dpi_scale = sapp_dpi_scale();
atlas_dim := round_pow2(512.0 * state.dpi_scale);
fons_context := sfons_create(*(sfons_desc_t.{
width = atlas_dim,
height = atlas_dim,
}));
state.fons = fons_context;
state.font_default = FONS_INVALID;
// file_data := read_entire_file("./");
// state.font_default = fonsAddFontMem(state.fons, "sans", *file_data[0], xx file_data.count, 0);
create_pipelines();
// a pass action to clear framebuffer to black
state.pass_action.colors[0] = .{ load_action = .CLEAR, clear_value = .{ r = 0.5, g = 0.5, b = 0.9, a = 1 } };
init_ui();
init_font_loads();
}
frame :: () {
dpis := state.dpi_scale;
sfetch_dowork();
fonsClearState(state.fons);
sgl_defaults();
sgl_matrix_mode_projection();
sgl_ortho(0.0, sapp_widthf(), sapp_heightf(), 0.0, -1.0, +1.0);
black := sfons_rgba(0, 0, 0, 255);
tick_ui();
sg_begin_pass(*(sg_pass.{ action = state.pass_action, swapchain = cast,force(sg_swapchain) sglue_swapchain() }));
render_ui();
sfons_flush(state.fons);
arb_tri_flush();
sgl_draw();
sg_end_pass();
sg_commit();
reset_temporary_storage();
}
cleanup :: () {
sg_shutdown();
}
get_window_size :: () -> (s32, s32) {
return sapp_width(), sapp_height();
}