#include "camera.h"
#include "shaders/model_font.h"
+
+enum efont_SRglyph{
+ k_SRglyph_end = 0x00, /* control characters */
+ k_SRglyph_ctrl_variant = 0x01,
+ k_SRglyph_ctrl_size = 0x02, /* normalized 0-1 */
+ k_SRglyph_ctrl_center = 0x03, /* useful when text is scaled down */
+ k_SRglyph_ctrl_baseline = 0x04, /* . */
+ k_SRglyph_ctrl_top = 0x05, /* . */
+ k_SRglyph_mod_circle = 0x1e, /* surround and center next charater */
+ k_SRglyph_mod_square = 0x1f, /* surround and center next character */
+ k_SRglyph_ascii_min = 0x20, /* standard ascii */
+ k_SRglyph_ascii_max = 0x7e,
+ k_SRglyph_ps4_square = 0x7f,/* playstation buttons */
+ k_SRglyph_ps4_triangle = 0x80,
+ k_SRglyph_ps4_circle = 0x81,
+ k_SRglyph_ps4_cross = 0x82,
+ k_SRglyph_xb1_x = 0x83,/* xbox buttons */
+ k_SRglyph_xb1_y = 0x84,
+ k_SRglyph_xb1_a = 0x85,
+ k_SRglyph_xb1_b = 0x86,
+ k_SRglyph_gen_ls = 0x87,/* generic gamepad */
+ k_SRglyph_gen_lsh = 0x88,
+ k_SRglyph_gen_lsv = 0x89,
+ k_SRglyph_gen_lshv = 0x8a,
+ k_SRglyph_gen_rs = 0x8b,
+ k_SRglyph_gen_rsh = 0x8c,
+ k_SRglyph_gen_rsv = 0x8d,
+ k_SRglyph_gen_rshv = 0x8e,
+ k_SRglyph_gen_lt = 0x8f,
+ k_SRglyph_gen_rt = 0x90,
+ k_SRglyph_gen_lb = 0x91,
+ k_SRglyph_gen_rb = 0x92,
+ k_SRglyph_gen_left = 0x93,
+ k_SRglyph_gen_up = 0x94,
+ k_SRglyph_gen_right = 0x95,
+ k_SRglyph_gen_down = 0x96,
+ k_SRglyph_gen_options = 0x97,
+ k_SRglyph_gen_shareview = 0x98,
+ k_SRglyph_kbm_m0 = 0x99,/* mouse */
+ k_SRglyph_kbm_m1 = 0x9a,
+ k_SRglyph_kbm_m01 = 0x9b,
+ k_SRglyph_kbm_m2 = 0x9c,
+ k_SRglyph_kbm_m2s = 0x9d,
+ k_SRglyph_kbm_shift = 0x9e,/* modifiers */
+ k_SRglyph_kbm_ctrl = 0x9f,
+ k_SRglyph_kbm_alt = 0xa0,
+ k_SRglyph_kbm_space = 0xa1,
+ k_SRglyph_kbm_return = 0xa2,
+ k_SRglyph_kbm_escape = 0xa3,
+ k_SRglyph_kbm_mousemove = 0xa4
+};
+
typedef struct font3d font3d;
struct font3d{
mdl_context mdl;
mdl_async_load_glmesh( &font->mdl, &font->mesh );
vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
- VG_TEX2D_NEAREST|VG_TEX2D_REPEAT|VG_TEX2D_NOMIP,
+ VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
&font->texture );
mdl_close( &font->mdl );
return mdl_arritm( &font->glyphs, index );
}
+struct font3d_render{
+ v4f offset;
+ font3d *font;
+ const u8 *u8pch;
+ u32 variant_id;
+};
+
VG_STATIC
-void font3d_simple_draw( font3d *font, u32 variant_id, const char *text,
- camera *cam, m4x3f transform )
+void font3d_begin( font3d *font, u32 variant_id,
+ camera *cam, m4x3f transform, struct font3d_render *render )
{
- v3f offset;
- v3_zero( offset );
+ q_identity( render->offset );
m4x4f prev_mtx;
-
m4x3_expand( transform, prev_mtx );
m4x4_mul( cam->mtx_prev.pv, prev_mtx, prev_mtx );
shader_model_font_uPvmPrev( prev_mtx );
shader_model_font_uMdl( transform );
- for( int i=0;; i++ ){
- u32 c = text[i];
- if(!c) break;
+ render->font = font;
+ render->variant_id = variant_id;
+}
- ent_glyph *glyph = font3d_glyph( font, variant_id, c );
- if( !glyph ) continue;
+VG_STATIC void font3d_draw( struct font3d_render *render )
+{
+ u32 max_chars = 512;
+ while( render->u8pch && max_chars ){
+ max_chars --;
+
+ u32 c0 = *render->u8pch, c1;
+ render->u8pch ++;
+
+ if( !c0 ) break;
+
+ ent_glyph *glyph0 = font3d_glyph( render->font, render->variant_id, c0 ),
+ *glyph1 = NULL;
+
+ /* multibyte characters */
+ if( c0 >= 1 && c0 < k_SRglyph_ascii_min ){
+ c1 = *render->u8pch;
+ if( !c1 ) break;
+ glyph1 = font3d_glyph( render->font, render->variant_id, c1 );
+ }
+
+ if( c0 == k_SRglyph_ctrl_variant ){
+ render->variant_id = c1;
+ render->u8pch ++;
+ continue;
+ }
+ else if( c0 == k_SRglyph_ctrl_size ){
+ render->offset[3] = (float)c1 * (1.0f/255.0f);
+ render->u8pch ++;
+ continue;
+ }
+ else if( c0 == k_SRglyph_ctrl_baseline ){
+ render->offset[1] = 0.0f;
+ continue;
+ }
+ else if( c0 == k_SRglyph_ctrl_center ){
+ if( glyph1 ){
+ float diff = glyph1->size[1] - glyph1->size[1]*render->offset[3];
+ render->offset[1] = diff * 0.5f;
+ }
+ continue;
+ }
+ else if( c0 == k_SRglyph_ctrl_top ){
+ if( glyph1 ){
+ float diff = glyph1->size[1] - glyph1->size[1]*render->offset[3];
+ render->offset[1] = diff;
+ }
+ continue;
+ }
+
+ if( !glyph0 ) continue;
+
+ if( glyph1 && (c0 == k_SRglyph_mod_square || c0 == k_SRglyph_mod_circle)){
+ v4f v0;
+ v2_sub( glyph0->size, glyph1->size, v0 );
+ v2_muladds( render->offset, v0, -0.5f, v0 );
+ v0[2] = render->offset[2];
+ v0[3] = render->offset[3];
- if( glyph->indice_count ){
- shader_model_font_uOffset( offset );
- mesh_drawn( glyph->indice_start, glyph->indice_count );
+ shader_model_font_uOffset( v0 );
+ mesh_drawn( glyph0->indice_start, glyph0->indice_count );
+ continue;
}
- offset[0] += glyph->size[0];
+ else{
+ shader_model_font_uOffset( render->offset );
+ mesh_drawn( glyph0->indice_start, glyph0->indice_count );
+ }
+
+ render->offset[0] += glyph0->size[0]*render->offset[3];
}
+
+ render->u8pch = NULL;
+}
+
+VG_STATIC
+float font3d_simple_draw( font3d *font, u32 variant_id, const char *text,
+ camera *cam, m4x3f transform )
+{
+ if( !text ) return 0.0f;
+
+ struct font3d_render render;
+ font3d_begin( font, variant_id, cam, transform, &render );
+ render.u8pch = (u8*)text;
+ font3d_draw( &render );
+ return render.offset[0];
}
VG_STATIC
float font3d_string_width( font3d *font, u32 variant_id, const char *text )
{
+ if( !text ) return 0.0f;
float width = 0.0f;
for( int i=0;; i++ ){
u32 c = text[i];