fishladder_resources.h

   1 // TEXTURES
   2 // ===========================================================================================================
   3
   4 vg_tex2d tex_tile_data =        { .path = "textures/tileset.png" };
   5 vg_tex2d tex_tile_detail = { .path = "textures/tile_overlays.png" };
   6 vg_tex2d tex_wood =                     { .path = "textures/wood.png" };
   7 vg_tex2d tex_ball =                     { .path = "textures/ball.png", .flags = VG_TEXTURE_CLAMP };
   8
   9 vg_tex2d *texture_list[] = { &tex_tile_detail, &tex_tile_data, &tex_wood, &tex_ball };
  10
  11 // AUDIO
  12 // ===========================================================================================================
  13
  14 sfx_vol_control audio_volume_sfx =              { .val = 1.0f, .name = "Sound effects" };
  15 sfx_vol_control audio_volume_music =    { .val = 1.0f, .name = "Music" };
  16
  17 sfx_system audio_system_sfx =
  18 {
  19  .vol = 1.f,
  20  .ch = 1,
  21  .vol_src = &audio_volume_sfx,
  22  .fadeout_length = FADEOUT_LENGTH,
  23  .name = "sfx"
  24 };
  25
  26 sfx_set audio_tile_mod =
  27 {
  28  .sources = "\
  29 sound/mod_01.ogg\0\
  30 sound/mod_02.ogg\0\
  31 sound/mod_03.ogg\0\
  32 sound/mod_04.ogg\0\
  33 sound/mod_05.ogg\0\
  34 sound/mod_06.ogg\0",
  35  .flags = 0
  36 };
  37
  38 static void resource_load_main(void)
  39 {
  40         // Textures
  41         vg_tex2d_init( texture_list, vg_list_size( texture_list ) );
  42
  43         // Audio
  44         sfx_set_init( &audio_tile_mod, NULL );
  45 }
  46
  47 static void resource_free_main(void)
  48 {
  49         vg_tex2d_free( texture_list, vg_list_size( texture_list ) );
  50         sfx_set_free( &audio_tile_mod );
  51 }
  52
  53 // SHADERS
  54 // ===========================================================================================================
  55
  56 SHADER_DEFINE( shader_tile_colour,
  57
  58         // VERTEX
  59         "layout (location=0) in vec2 a_co;"
  60         "uniform mat3 uPv;"
  61         "uniform vec3 uOffset;"
  62         ""
  63         "void main()"
  64         "{"
  65                 "gl_Position = vec4( uPv * vec3( a_co * uOffset.z + uOffset.xy, 1.0 ), 1.0 );"
  66         "}",
  67
  68         // FRAGMENT
  69         "out vec4 FragColor;"
  70         "uniform vec4 uColour;"
  71         ""
  72         "void main()"
  73         "{"
  74                 "FragColor = uColour;"
  75         "}"
  76         ,
  77         UNIFORMS({ "uPv", "uOffset", "uColour" })
  78 )
  79
  80 SHADER_DEFINE( shader_ball,
  81         // VERTEX
  82         "layout (location=0) in vec2 a_co;"
  83         "uniform vec2 uOffset;"
  84         "uniform mat3 uPv;"
  85         ""
  86         "out vec2 aTexCoords;"
  87         ""
  88         "void main()"
  89         "{"
  90                 // Create texture coords
  91                 "aTexCoords = a_co;"
  92
  93                 // Vertex transform
  94                 "vec3 worldpos = vec3( a_co * 0.5 - 0.25 + uOffset, 1.0 );"
  95                 "gl_Position = vec4( uPv * worldpos, 1.0 );"
  96         "}",
  97
  98         // FRAGMENT
  99         "out vec4 FragColor;"
 100         ""
 101         "uniform sampler2D uTexMain;"
 102         "uniform vec3 uColour;"
 103         ""
 104         "in vec2 aTexCoords;"
 105         ""
 106         "void main()"
 107         "{"
 108                 "vec4 glyph = texture( uTexMain, aTexCoords );"
 109                 "FragColor = vec4( uColour + glyph.rgb * 0.2, glyph.a );"
 110         "}"
 111         ,
 112         UNIFORMS({ "uTexMain", "uColour", "uOffset", "uPv" })
 113 )
 114
 115 SHADER_DEFINE( shader_tile_main,
 116         // VERTEX
 117         "layout (location=0) in vec2 a_co;"
 118         "uniform vec4 uOffset;" // Tile x/y, uv x/y
 119         "uniform mat3 uPv;"
 120         "uniform mat2 uSubTransform;"
 121         ""
 122         "out vec4 aTexCoords;"
 123         "out vec2 aWorldCoords;"
 124         ""
 125         "vec2 hash22(vec2 p)"
 126         "{"
 127                 "vec3 p3 = fract(vec3(p.xyx) * vec3(.1031, .1030, .0973));"
 128                 "p3 += dot(p3, p3.yzx+33.33);"
 129                 "return fract((p3.xx+p3.yz)*p3.zy);"
 130         "}"
 131         ""
 132         "void main()"
 133         "{"
 134                 // Vertex transform
 135                 "vec2 subtransform = uSubTransform * (a_co-0.5) + 0.5;"
 136                 "vec3 worldpos = vec3( subtransform + uOffset.xy, 1.0 );"
 137                 "gl_Position = vec4( uPv * worldpos, 1.0 );"
 138
 139                 // Create texture coords
 140                 "vec2 random_offset = floor(hash22(uOffset.xy) * 4.0) * 0.25;"
 141                 "vec2 edge_safe_coords = a_co * 0.98 + 0.01;"
 142                 "aTexCoords = vec4((edge_safe_coords + uOffset.zw) * 0.25, edge_safe_coords * 0.25 + random_offset );"
 143                 "aWorldCoords = worldpos.xy;"
 144         "}",
 145
 146         // FRAGMENT
 147         "out vec4 FragColor;"
 148         ""
 149         "uniform sampler2D uTexGlyphs;"
 150         "uniform sampler2D uTexWood;"
 151         "uniform float uGhost;"
 152         "uniform vec2 uMousePos;"
 153         "uniform vec4 uColour;"
 154         ""
 155         "in vec4 aTexCoords;"
 156         "in vec2 aWorldCoords;"
 157         ""
 158         "void main()"
 159         "{"
 160                 "vec3 shadowing_colour = vec3( 0.93, 0.88536, 0.8184 );"
 161                 "vec4 glyph = texture( uTexGlyphs, aTexCoords.xy );"
 162                 "vec4 wood = texture( uTexWood, aTexCoords.zw );"
 163                 "vec4 wood_secondary = texture( uTexWood, aTexCoords.zw + 0.25 );"
 164                 "vec3 wood_comp = mix( wood_secondary.rgb * shadowing_colour, wood.rgb, clamp( glyph.b * 2.0 - 1.0, 0.0, 1.0 ) );"
 165
 166                 "vec3 shadows = mix( vec3( 0.85, 0.7344, 0.561 ), vec3(1.0,1.0,1.0), glyph.r );"
 167
 168                 "vec4 output_regular = vec4( wood_comp * shadows, glyph.b );"
 169
 170                 "float ghost_dist = clamp( 1.5 - distance(uMousePos, aWorldCoords), 0.0, 1.0 );"
 171                 "vec4 output_ghost = vec4( 1.0, 1.0, 1.0, glyph.g * ghost_dist );"
 172
 173                 "FragColor = mix( output_regular, output_ghost, uGhost ) * uColour;"
 174         "}"
 175         ,
 176         UNIFORMS({ "uPv", "uOffset", "uTexGlyphs", "uTexWood", "uSubTransform", "uGhost", "uMousePos", "uColour" })
 177 )
 178
 179 void vg_register(void)
 180 {
 181         SHADER_INIT( shader_tile_colour );
 182         SHADER_INIT( shader_tile_main );
 183         SHADER_INIT( shader_ball );
 184 }