fishladder_resources.h

   1 vg_tex2d tex_tile_data =        { .path = "textures/tileset.png" };
   2 vg_tex2d tex_tile_detail = { .path = "textures/tile_overlays.png" };
   3 vg_tex2d tex_wood =                     { .path = "textures/wood.png" };
   4 vg_tex2d tex_ball =                     { .path = "textures/ball.png", .flags = VG_TEXTURE_CLAMP };
   5
   6 vg_tex2d *texture_list[] = { &tex_tile_detail, &tex_tile_data, &tex_wood, &tex_ball };
   7
   8 sfx_system_t audio_system_sfx =
   9 {
  10  .vol = 1.f,
  11  .spd = 1.f,
  12  .ch = 1,
  13  .cur = 0,
  14  .vol_src = &g_vol_sfx,
  15  .flags = 0x00,
  16  .fadeout = FADEOUT_LENGTH,
  17  .name = "sfx"
  18 };
  19
  20 sfx_set_t audio_tile_mod =
  21 {
  22  .sources = "\
  23 sound/mod_01.ogg\0\
  24 sound/mod_02.ogg\0\
  25 sound/mod_03.ogg\0\
  26 sound/mod_04.ogg\0\
  27 sound/mod_05.ogg\0\
  28 sound/mod_06.ogg\0",
  29  .flags = 0
  30 };
  31
  32 static void resource_load_main(void)
  33 {
  34         // Textures
  35         vg_tex2d_init( texture_list, vg_list_size( texture_list ) );
  36
  37         // Audio
  38         sfx_set_init( &audio_tile_mod, NULL );
  39 }
  40
  41 static void resource_free_main(void)
  42 {
  43         vg_tex2d_free( texture_list, vg_list_size( texture_list ) );
  44         sfx_set_free( &audio_tile_mod );
  45 }
  46
  47 // SHADERS
  48 // ===========================================================================================================
  49
  50 SHADER_DEFINE( shader_tile_colour,
  51
  52         // VERTEX
  53         "layout (location=0) in vec2 a_co;"
  54         "uniform mat3 uPv;"
  55         "uniform vec3 uOffset;"
  56         ""
  57         "void main()"
  58         "{"
  59                 "gl_Position = vec4( uPv * vec3( a_co * uOffset.z + uOffset.xy, 1.0 ), 1.0 );"
  60         "}",
  61
  62         // FRAGMENT
  63         "out vec4 FragColor;"
  64         "uniform vec4 uColour;"
  65         ""
  66         "void main()"
  67         "{"
  68                 "FragColor = uColour;"
  69         "}"
  70         ,
  71         UNIFORMS({ "uPv", "uOffset", "uColour" })
  72 )
  73
  74 SHADER_DEFINE( shader_ball,
  75         // VERTEX
  76         "layout (location=0) in vec2 a_co;"
  77         "uniform vec2 uOffset;"
  78         "uniform mat3 uPv;"
  79         ""
  80         "out vec2 aTexCoords;"
  81         ""
  82         "void main()"
  83         "{"
  84                 // Create texture coords
  85                 "aTexCoords = a_co;"
  86
  87                 // Vertex transform
  88                 "vec3 worldpos = vec3( a_co * 0.5 - 0.25 + uOffset, 1.0 );"
  89                 "gl_Position = vec4( uPv * worldpos, 1.0 );"
  90         "}",
  91
  92         // FRAGMENT
  93         "out vec4 FragColor;"
  94         ""
  95         "uniform sampler2D uTexMain;"
  96         "uniform vec3 uColour;"
  97         ""
  98         "in vec2 aTexCoords;"
  99         ""
 100         "void main()"
 101         "{"
 102                 "vec4 glyph = texture( uTexMain, aTexCoords );"
 103                 "FragColor = vec4( uColour + glyph.rgb * 0.2, glyph.a );"
 104         "}"
 105         ,
 106         UNIFORMS({ "uTexMain", "uColour", "uOffset", "uPv" })
 107 )
 108
 109 SHADER_DEFINE( shader_tile_main,
 110         // VERTEX
 111         "layout (location=0) in vec2 a_co;"
 112         "uniform vec4 uOffset;" // Tile x/y, uv x/y
 113         "uniform mat3 uPv;"
 114         "uniform mat2 uSubTransform;"
 115         ""
 116         "out vec4 aTexCoords;"
 117         "out vec2 aWorldCoords;"
 118         ""
 119         "vec2 hash22(vec2 p)"
 120         "{"
 121                 "vec3 p3 = fract(vec3(p.xyx) * vec3(.1031, .1030, .0973));"
 122                 "p3 += dot(p3, p3.yzx+33.33);"
 123                 "return fract((p3.xx+p3.yz)*p3.zy);"
 124         "}"
 125         ""
 126         "void main()"
 127         "{"
 128                 // Vertex transform
 129                 "vec2 subtransform = uSubTransform * (a_co-0.5) + 0.5;"
 130                 "vec3 worldpos = vec3( subtransform + uOffset.xy, 1.0 );"
 131                 "gl_Position = vec4( uPv * worldpos, 1.0 );"
 132
 133                 // Create texture coords
 134                 "vec2 random_offset = floor(hash22(uOffset.xy) * 4.0) * 0.25;"
 135                 "vec2 edge_safe_coords = a_co * 0.98 + 0.01;"
 136                 "aTexCoords = vec4((edge_safe_coords + uOffset.zw) * 0.25, edge_safe_coords * 0.25 + random_offset );"
 137                 "aWorldCoords = worldpos.xy;"
 138         "}",
 139
 140         // FRAGMENT
 141         "out vec4 FragColor;"
 142         ""
 143         "uniform sampler2D uTexGlyphs;"
 144         "uniform sampler2D uTexWood;"
 145         "uniform float uGhost;"
 146         "uniform vec2 uMousePos;"
 147         "uniform vec4 uColour;"
 148         ""
 149         "in vec4 aTexCoords;"
 150         "in vec2 aWorldCoords;"
 151         ""
 152         "void main()"
 153         "{"
 154                 "vec3 shadowing_colour = vec3( 0.93, 0.88536, 0.8184 );"
 155                 "vec4 glyph = texture( uTexGlyphs, aTexCoords.xy );"
 156                 "vec4 wood = texture( uTexWood, aTexCoords.zw );"
 157                 "vec4 wood_secondary = texture( uTexWood, aTexCoords.zw + 0.25 );"
 158                 "vec3 wood_comp = mix( wood_secondary.rgb * shadowing_colour, wood.rgb, clamp( glyph.b * 2.0 - 1.0, 0.0, 1.0 ) );"
 159
 160                 "vec3 shadows = mix( vec3( 0.85, 0.7344, 0.561 ), vec3(1.0,1.0,1.0), glyph.r );"
 161
 162                 "vec4 output_regular = vec4( wood_comp * shadows, glyph.b );"
 163
 164                 "float ghost_dist = clamp( 1.5 - distance(uMousePos, aWorldCoords), 0.0, 1.0 );"
 165                 "vec4 output_ghost = vec4( 1.0, 1.0, 1.0, glyph.g * ghost_dist );"
 166
 167                 "FragColor = mix( output_regular, output_ghost, uGhost ) * uColour;"
 168         "}"
 169         ,
 170         UNIFORMS({ "uPv", "uOffset", "uTexGlyphs", "uTexWood", "uSubTransform", "uGhost", "uMousePos", "uColour" })
 171 )
 172
 173 void vg_register(void)
 174 {
 175         SHADER_INIT( shader_tile_colour );
 176         SHADER_INIT( shader_tile_main );
 177         SHADER_INIT( shader_ball );
 178 }