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helpless/oogabooga/examples/minimal_game_loop.c
Charlie 18f4fc8123 - Text rendering
- Font loading
	- Measuring for formatting & justification
	- Utf8 Glyph walking
	- Commented example in oogabooga/examples/text_rendering.c
- Small 2D renderer refactor
	- Pass 8-bit integers "type" and "sampler_index" to shader
	- Sample texture differently depending on "type" (text or regular quad)
	- Sample with nearest/linear min/mag depending on sampler_index
	- Set min/mag filtering in Draw_Quad
	- Images are now created and deleted directly with gfx calls rather than deferring it for gfx_update.
	- We can now set image sub data with gfx_set_image_data()
	- Images are no longer hard coded to 4 channels
- Utf8 utility:
	- utf8_to_utf32(): convert utf8 bytes to a single u32 codepoint
	- next_utf8(): Convert first utf8 character in a string to a u32 codepoint and advance the passed string to the next unicode
- Renamed m4_multiply -> m4_mul for consistency
- Refactored os window to be DPI aware (scaled_width vs pixel_width)
- in minimal example, renamed hammer_xform -> rect_xform
2024-07-07 20:27:34 +02:00

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int entry(int argc, char **argv) {
window.title = STR("Minimal Game Example");
window.scaled_width = 1280; // We need to set the scaled size if we want to handle system scaling (DPI)
window.scaled_height = 720;
window.x = 200;
window.y = 200;
window.clear_color = hex_to_rgba(0x6495EDff);
while (!window.should_close) {
reset_temporary_storage();
os_update();
float64 now = os_get_current_time_in_seconds();
Matrix4 rect_xform = m4_scalar(1.0);
rect_xform = m4_rotate_z(rect_xform, (f32)now);
rect_xform = m4_translate(rect_xform, v3(-.25f, -.25f, 0));
draw_rect_xform(rect_xform, v2(.5f, .5f), COLOR_RED);
gfx_update();
}
return 0;
}