219 lines
7.5 KiB
C++
219 lines
7.5 KiB
C++
|
|
static r32 z_ = 0;
|
|
static r32 r_ = 0.3f;
|
|
static r32 quad_verts[] = {
|
|
-r_, -r_, z_, 1.0f, 0, 0,
|
|
r_, -r_, z_, 1.0f, 1, 0,
|
|
r_, r_, z_, 1.0f, 1, 1,
|
|
-r_, r_, z_, 1.0f, 0, 1,
|
|
};
|
|
|
|
static u32 quad_indices[] = {
|
|
0, 1, 2,
|
|
0, 2, 3,
|
|
};
|
|
|
|
static String shader_code_vert_win32 = lit_str(
|
|
"#version 330 core\n"
|
|
"layout (location = 0) in vec4 coordinates;\n"
|
|
"layout (location = 1) in vec2 uv;\n"
|
|
"out vec2 tex_coord;\n"
|
|
"void main(void) {\n"
|
|
" gl_Position = coordinates;\n"
|
|
" tex_coord = uv;\n"
|
|
"}"
|
|
);
|
|
|
|
static String shader_code_vert_wasm = lit_str(
|
|
"precision highp float;\n"
|
|
"attribute vec4 coordinates;\n"
|
|
"attribute vec2 uv;\n"
|
|
"varying vec2 tex_coord;\n"
|
|
"void main(void) {\n"
|
|
" gl_Position = coordinates;\n"
|
|
" tex_coord = uv;\n"
|
|
"}");
|
|
|
|
static String shader_code_frag_win32 = lit_str(
|
|
"#version 330 core\n"
|
|
"in vec2 tex_coord;\n"
|
|
"out vec4 FragColor;\n"
|
|
"uniform sampler2D texture;\n"
|
|
"void main(void) {\n"
|
|
"// FragColor = vec4(1,tex_coord.x,tex_coord.y,1);\n"
|
|
" FragColor = texture(texture, tex_coord);\n"
|
|
"}"
|
|
);
|
|
|
|
static String shader_code_frag_wasm = lit_str(
|
|
"precision highp float;\n"
|
|
"varying vec2 tex_coord;\n"
|
|
"uniform sampler2D texture;\n"
|
|
"void main(void) {\n"
|
|
" gl_FragColor = texture2D(texture, tex_coord);\n"
|
|
" // vec4(1, tex_coord.x, tex_coord.y, 1);\n"
|
|
"}");
|
|
|
|
static u32 pix[] = {
|
|
0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
|
|
0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
|
|
0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
|
|
0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
|
|
};
|
|
|
|
void make_quad(Platform_Geometry_Buffer* geo, Platform_Shader* shd, Platform_Texture* tex)
|
|
{
|
|
// TODO(PS): TEMP
|
|
#if defined(PLATFORM_win32)
|
|
String shader_code_vert = shader_code_vert_win32;
|
|
String shader_code_frag = shader_code_frag_win32;
|
|
#elif defined(PLATFORM_wasm)
|
|
String shader_code_vert = shader_code_vert_wasm;
|
|
String shader_code_frag = shader_code_frag_wasm;
|
|
#endif
|
|
|
|
*geo = platform_geometry_buffer_create(
|
|
quad_verts, 24, quad_indices, 6
|
|
);
|
|
|
|
String attribs[] = {
|
|
lit_str("coordinates"),
|
|
lit_str("uv"),
|
|
};
|
|
*shd = platform_shader_create(
|
|
shader_code_vert, shader_code_frag, attribs, 2, 0, 0
|
|
);
|
|
|
|
platform_vertex_attrib_pointer(*geo, *shd, 4, shd->attrs[0], 6, 0);
|
|
platform_vertex_attrib_pointer(*geo, *shd, 2, shd->attrs[1], 6, 4);
|
|
|
|
*tex = platform_texture_create((u8*)pix, 4, 4, 4);
|
|
}
|
|
|
|
internal void
|
|
ed_load_font_cb(Platform_File_Async_Job_Args result, u8* user_data)
|
|
{
|
|
App_State* state = (App_State*)user_data;
|
|
UI* ui = &state->editor->ui;
|
|
|
|
u8* f = result.data.base;
|
|
stbtt_fontinfo font;
|
|
if (!stbtt_InitFont(&font, f, stbtt_GetFontOffsetForIndex(f, 0)))
|
|
{
|
|
invalid_code_path;
|
|
}
|
|
|
|
r32 scale = stbtt_ScaleForPixelHeight(&font, 18.0f);
|
|
s32 ascent, descent, line_gap;
|
|
stbtt_GetFontVMetrics(&font, &ascent, &descent, &line_gap);
|
|
ui->font_ascent = (r32)ascent * scale;
|
|
ui->font_descent = (r32)descent * scale;
|
|
ui->font_line_gap = (r32)line_gap * scale;
|
|
if (ui->font_line_gap == 0) ui->font_line_gap = 5;
|
|
|
|
String c = lit_str("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-=_+[]{}\\|;:'\",<.>/?`~");
|
|
for (u64 i = 0; i < c.len; i++)
|
|
{
|
|
s32 w, h, xoff, yoff;
|
|
u32 id = (u32)c.str[i];
|
|
u8* bp = stbtt_GetCodepointBitmap(&font, 0, scale, (char)c.str[i], &w, &h, &xoff, &yoff);
|
|
s32 x0, y0, x1, y1;
|
|
stbtt_GetCodepointBitmapBoxSubpixel(&font, (char)c.str[i], scale, scale, 0, 0, &x0, &y0, &x1, &y1);
|
|
|
|
v2 offset = v2{ 0, (r32)y0 };
|
|
texture_atlas_register(&state->editor->ui.atlas, bp, (u32)w, (u32)h, id, offset, TextureAtlasRegistration_PixelFormat_Alpha);
|
|
stbtt_FreeBitmap(bp, 0);
|
|
}
|
|
|
|
Texture_Atlas_Sprite m_sprite = texture_atlas_sprite_get(&state->editor->ui.atlas, (u32)'m');
|
|
ui->font_space_width = (r32)(m_sprite.max_x - m_sprite.min_x);
|
|
|
|
platform_texture_update(ui->atlas_texture, ui->atlas.pixels, 1024, 1024, 1024);
|
|
}
|
|
|
|
internal void
|
|
ed_init(App_State* state)
|
|
{
|
|
Editor* editor = allocator_alloc_struct(permanent, Editor);
|
|
state->editor = editor;
|
|
state->editor->ui = ui_create(4096, 4096, state->input_state, permanent);
|
|
|
|
// make the default quad for us to draw with
|
|
// TODO(PS): this might be unnecessary with the per-frame buffer we use now
|
|
make_quad(&editor->renderer.geo, &editor->renderer.shd, &editor->renderer.tex);
|
|
|
|
platform_file_async_read(lit_str("data/font.ttf"), ed_load_font_cb);
|
|
|
|
}
|
|
|
|
internal void
|
|
ed_frame_prepare(App_State* state)
|
|
{
|
|
ui_frame_prepare(&state->editor->ui, state->editor->window_dim);
|
|
}
|
|
|
|
global r32 p = 0.3f;
|
|
|
|
internal void
|
|
ed_frame(App_State* state)
|
|
{
|
|
UI* ui = &state->editor->ui;
|
|
|
|
UI_Layout layout = {};
|
|
layout.bounds_min = v2{ 500, 200 };
|
|
layout.bounds_max = v2{ 700, 500 };
|
|
ui_layout_set_row_info(ui, &layout);
|
|
layout.at = layout.bounds_min;
|
|
ui_layout_push(ui, &layout);
|
|
|
|
ui_text_f(ui, "Hi there! %d", 1000);
|
|
show = ui_toggle(ui, lit_str("my toggle"), show);
|
|
if (show)
|
|
{
|
|
ui_layout_row_begin(ui, 2);
|
|
{
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
}
|
|
ui_layout_row_end(ui);
|
|
}
|
|
ui_button(ui, lit_str("Hi there my good sir"));
|
|
|
|
ui_scroll_view_begin(ui, lit_str("scroll area"), v2{800, 200}, v2{1000,500}, 8);
|
|
{
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("you there"));
|
|
ui_button(ui, lit_str("Sup"));
|
|
ui_button(ui, lit_str("I'm lastf;"));
|
|
}
|
|
ui_scroll_view_end(ui);
|
|
|
|
ui_layout_pop(ui);
|
|
|
|
edr_render_begin(state);
|
|
ui_draw(&state->editor->ui);
|
|
edr_render(state);
|
|
}
|
|
|
|
internal void
|
|
ed_cleanup(App_State* state)
|
|
{
|
|
|
|
}
|
|
|