X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=font.h;h=c00aece3c9f2f46a59ae2e3f76062284bd93e113;hb=137d40d96fe923600d8378b8e138e3c276f27ff4;hp=b1185f9e6800b1855dfb9474a2163deed635864b;hpb=223e75026f958029f9664380ed20a5daa3ee2ae7;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/font.h b/font.h
index b1185f9..c00aece 100644
--- a/font.h
+++ b/font.h
@@ -5,7 +5,9 @@
 #include "entity.h"
 #include "camera.h"
 #include "shaders/model_font.h"
-
+#include "shaders/scene_font.h"
+#include "world_render.h"
+#include "depth_compare.h"
 
 enum efont_SRglyph{
    k_SRglyph_end           = 0x00, /* control characters */
@@ -69,8 +71,7 @@ struct font3d{
                  glyphs;
 };
 
-VG_STATIC void font3d_load( font3d *font, const char *mdl_path, void *alloc )
-{
+static void font3d_load( font3d *font, const char *mdl_path, void *alloc ){
    mdl_open( &font->mdl, mdl_path, alloc );
    mdl_load_metadata_block( &font->mdl, alloc );
 
@@ -99,13 +100,12 @@ VG_STATIC void font3d_load( font3d *font, const char *mdl_path, void *alloc )
    mdl_close( &font->mdl );
 }
 
-VG_STATIC void font3d_init(void)
-{
+static void font3d_init(void){
    shader_model_font_register();
+   shader_scene_font_register();
 }
 
-VG_STATIC u32 font3d_find_variant( font3d *font, const char *name )
-{
+static u32 font3d_find_variant( font3d *font, const char *name ){
    for( u32 i=0; i<mdl_arrcount( &font->font_variants ); i ++ ){
       ent_font_variant *variant = mdl_arritm( &font->font_variants, i );
 
@@ -117,20 +117,63 @@ VG_STATIC u32 font3d_find_variant( font3d *font, const char *name )
    return 0;
 }
 
-VG_STATIC void font3d_bind( font3d *font, camera *cam )
-{
-   shader_model_font_use();
-   shader_model_font_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
-   shader_model_font_uTexMain( 1 );
-	glActiveTexture( GL_TEXTURE1 );
-	glBindTexture( GL_TEXTURE_2D, font->texture );
+struct _font3d_render{
+   v4f offset;
+   font3d *font;
+   u32 variant_id;
+
+   enum font_shader {
+      k_font_shader_default,
+      k_font_shader_world
+   }
+   shader;
+}
+static gui_font3d;
+
+/*
+ * world can be null if not using world shader 
+ */
+static void font3d_bind( font3d *font, enum font_shader shader, 
+                         int depth_compare, world_instance *world,
+                         camera *cam ){
+   gui_font3d.shader = shader;
+   gui_font3d.font = font;
+   glActiveTexture( GL_TEXTURE1 );
+   glBindTexture( GL_TEXTURE_2D, font->texture );
+
+   if( shader == k_font_shader_default ){
+      shader_model_font_use();
+      shader_model_font_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
+      shader_model_font_uTexMain( 1 );
+
+      shader_model_font_uDepthCompare( depth_compare );
+      if( depth_compare ){
+         depth_compare_bind( 
+            shader_model_font_uTexSceneDepth,
+            shader_model_font_uInverseRatioDepth,
+            shader_model_font_uInverseRatioMain, cam );
+      }
+
+      shader_model_font_uPv( cam->mtx.pv );
+   }
+   else if( shader == k_font_shader_world ){
+      assert( world );
+      shader_scene_font_use();
+      shader_scene_font_uTexGarbage(0);
+      shader_scene_font_uTexMain(1);
+
+      shader_scene_font_uPv( skaterift.cam.mtx.pv );
+      shader_scene_font_uTime( vg.time );
 
-   shader_model_font_uPv( cam->mtx.pv );
+      WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, scene_font );
+
+      bind_terrain_noise();
+      shader_scene_font_uCamera( skaterift.cam.transform[3] );
+   }
    mesh_bind( &font->mesh );
 }
 
-VG_STATIC ent_glyph *font3d_glyph( font3d *font, u32 variant_id, u32 utf32 )
-{
+static ent_glyph *font3d_glyph( font3d *font, u32 variant_id, u32 utf32 ){
    if( utf32 < font->info.glyph_utf32_base ) return NULL;
    if( utf32 >= font->info.glyph_utf32_base+font->info.glyph_count) return NULL;
 
@@ -140,76 +183,88 @@ VG_STATIC ent_glyph *font3d_glyph( font3d *font, u32 variant_id, u32 utf32 )
    return mdl_arritm( &font->glyphs, index );
 }
 
-struct font3d_render{
-   v4f offset;
-   font3d *font;
-   const u8 *u8pch;
-   u32 variant_id;
-};
-
-VG_STATIC 
-void font3d_begin( font3d *font, u32 variant_id, 
-                    camera *cam, m4x3f transform, struct font3d_render *render )
-{
-   q_identity( render->offset );
+static void font3d_set_transform( const char *text,
+                                  camera *cam, m4x3f transform ){
+   v4_copy( (v4f){0.0f,0.0f,0.0f,1.0f}, gui_font3d.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 );
+   if( gui_font3d.shader == k_font_shader_default ){
+      shader_model_font_uPvmPrev( prev_mtx );
+      shader_model_font_uMdl( transform );
+   }
+   else if( gui_font3d.shader == k_font_shader_world ){
+      shader_scene_font_uPvmPrev( prev_mtx );
+      shader_scene_font_uMdl( transform );
+   }
+}
 
-   render->font = font;
-   render->variant_id = variant_id;
+static void font3d_setoffset( v4f offset ){
+   if( gui_font3d.shader == k_font_shader_default )
+      shader_model_font_uOffset( offset );
+   else if( gui_font3d.shader == k_font_shader_world )
+      shader_scene_font_uOffset( offset );
 }
 
-VG_STATIC void font3d_draw( struct font3d_render *render )
-{
+static void font3d_setcolour( v4f colour ){
+   if( gui_font3d.shader == k_font_shader_default )
+      shader_model_font_uColour( colour );
+#if 0
+   else if( gui_font3d.shader == k_font_shader_world )
+      shader_scene_font_uColour( colour );
+#endif
+}
+
+static void font3d_draw( const char *text ){
+   u8 *u8pch = (u8*)text;
+
    u32 max_chars = 512;
-   while( render->u8pch && max_chars ){
+   while( u8pch && max_chars ){
       max_chars --;
 
-      u32 c0 = *render->u8pch, c1;
-      render->u8pch ++;
+      u32 c0 = *u8pch, c1;
+      u8pch ++;
 
       if( !c0 ) break;
 
-      ent_glyph *glyph0 = font3d_glyph( render->font, render->variant_id, c0 ),
-                *glyph1;
+      ent_glyph *glyph0 = font3d_glyph( gui_font3d.font, 
+                                        gui_font3d.variant_id, c0 ),
+                *glyph1 = NULL;
 
       /* multibyte characters */
       if( c0 >= 1 && c0 < k_SRglyph_ascii_min ){
-         c1 = *render->u8pch;
+         c1 = *u8pch;
          if( !c1 ) break;
-         glyph1 = font3d_glyph( render->font, render->variant_id, c1 );
+         glyph1 = font3d_glyph( gui_font3d.font, gui_font3d.variant_id, c1 );
       }
 
       if( c0 == k_SRglyph_ctrl_variant ){
-         render->variant_id = c1;
-         render->u8pch ++;
+         gui_font3d.variant_id = c1;
+         u8pch ++;
          continue;
       }
       else if( c0 == k_SRglyph_ctrl_size ){
-         render->offset[3] = (float)c1 * (1.0f/255.0f);
-         render->u8pch ++;
+         gui_font3d.offset[3] = (float)c1 * (1.0f/255.0f);
+         u8pch ++;
          continue;
       }
       else if( c0 == k_SRglyph_ctrl_baseline ){
-         render->offset[1] = 0.0f;
+         gui_font3d.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;
+            float diff = glyph1->size[1] - glyph1->size[1]*gui_font3d.offset[3];
+            gui_font3d.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;
+            float diff = glyph1->size[1] - glyph1->size[1]*gui_font3d.offset[3];
+            gui_font3d.offset[1] = diff;
          }
          continue;
       }
@@ -219,45 +274,43 @@ VG_STATIC void font3d_draw( struct font3d_render *render )
       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];
+         v2_muladds( gui_font3d.offset, v0, -0.5f, v0 );
+         v0[2] = gui_font3d.offset[2];
+         v0[3] = gui_font3d.offset[3];
 
-         shader_model_font_uOffset( v0 );
+         font3d_setoffset( v0 );
          mesh_drawn( glyph0->indice_start, glyph0->indice_count );
          continue;
       }
       else{
-         shader_model_font_uOffset( render->offset );
+         font3d_setoffset( gui_font3d.offset );
          mesh_drawn( glyph0->indice_start, glyph0->indice_count );
       }
 
-      render->offset[0] += glyph0->size[0]*render->offset[3];
+      gui_font3d.offset[0] += glyph0->size[0]*gui_font3d.offset[3];
    }
-
-   render->u8pch = NULL;
 }
 
-VG_STATIC 
-float font3d_simple_draw( font3d *font, u32 variant_id, const char *text, 
-                         camera *cam, m4x3f transform )
-{
-   struct font3d_render render;
-   font3d_begin( font, variant_id, cam, transform, &render );
-   render.u8pch = (u8*)text;
-   font3d_draw( &render );
-   return render.offset[0];
+static f32 font3d_simple_draw( u32 variant_id, const char *text, 
+                               camera *cam, m4x3f transform ){
+   if( !text ) return 0.0f;
+
+   gui_font3d.variant_id = variant_id;
+   font3d_set_transform( text, cam, transform );
+   font3d_draw( text );
+   return gui_font3d.offset[0];
 }
 
-VG_STATIC 
-float font3d_string_width( font3d *font, u32 variant_id, const char *text )
-{
+static f32 font3d_string_width( u32 variant_id, const char *text ){
+   if( !text ) return 0.0f;
    float width = 0.0f;
+
+   const u8 *buf = (const u8 *)text;
    for( int i=0;; i++ ){
-      u32 c = text[i];
+      u32 c = buf[i];
       if(!c) break;
 
-      ent_glyph *glyph = font3d_glyph( font, variant_id, c );
+      ent_glyph *glyph = font3d_glyph( gui_font3d.font, variant_id, c );
       if( !glyph ) continue;
 
       width += glyph->size[0];