2 // ===========================================================================================================
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
};
9 vg_tex2d
*texture_list
[] = { &tex_tile_detail
, &tex_tile_data
, &tex_wood
, &tex_ball
};
12 // ===========================================================================================================
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" };
17 sfx_system audio_system_sfx
=
21 .vol_src
= &audio_volume_sfx
,
22 .fadeout_length
= FADEOUT_LENGTH
,
26 sfx_set audio_tile_mod
=
38 static void resource_load_main(void)
41 vg_tex2d_init( texture_list
, vg_list_size( texture_list
) );
44 sfx_set_init( &audio_tile_mod
, NULL
);
47 static void resource_free_main(void)
49 vg_tex2d_free( texture_list
, vg_list_size( texture_list
) );
50 sfx_set_free( &audio_tile_mod
);
54 // ===========================================================================================================
56 SHADER_DEFINE( shader_tile_colour
,
59 "layout (location=0) in vec2 a_co;"
61 "uniform vec3 uOffset;"
65 "gl_Position = vec4( uPv * vec3( a_co * uOffset.z + uOffset.xy, 1.0 ), 1.0 );"
70 "uniform vec4 uColour;"
74 "FragColor = uColour;"
77 UNIFORMS({ "uPv", "uOffset", "uColour" })
80 SHADER_DEFINE( shader_ball
,
82 "layout (location=0) in vec2 a_co;"
83 "uniform vec2 uOffset;"
86 "out vec2 aTexCoords;"
90 // Create texture coords
94 "vec3 worldpos = vec3( a_co * 0.5 - 0.25 + uOffset, 1.0 );"
95 "gl_Position = vec4( uPv * worldpos, 1.0 );"
101 "uniform sampler2D uTexMain;"
102 "uniform vec3 uColour;"
104 "in vec2 aTexCoords;"
108 "vec4 glyph = texture( uTexMain, aTexCoords );"
109 "FragColor = vec4( uColour + glyph.rgb * 0.2, glyph.a );"
112 UNIFORMS({ "uTexMain", "uColour", "uOffset", "uPv" })
115 SHADER_DEFINE( shader_tile_main
,
117 "layout (location=0) in vec2 a_co;"
118 "uniform vec4 uOffset;" // Tile x/y, uv x/y
120 "uniform mat2 uSubTransform;"
122 "out vec4 aTexCoords;"
123 "out vec2 aWorldCoords;"
125 "vec2 hash22(vec2 p)"
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);"
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 );"
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;"
147 "out vec4 FragColor;"
149 "uniform sampler2D uTexGlyphs;"
150 "uniform sampler2D uTexWood;"
151 "uniform float uGhost;"
152 "uniform vec2 uMousePos;"
153 "uniform vec4 uColour;"
155 "in vec4 aTexCoords;"
156 "in vec2 aWorldCoords;"
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 ) );"
166 "vec3 shadows = mix( vec3( 0.85, 0.7344, 0.561 ), vec3(1.0,1.0,1.0), glyph.r );"
168 "vec4 output_regular = vec4( wood_comp * shadows, glyph.b );"
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 );"
173 "FragColor = mix( output_regular, output_ghost, uGhost ) * uColour;"
176 UNIFORMS({ "uPv", "uOffset", "uTexGlyphs", "uTexWood", "uSubTransform", "uGhost", "uMousePos", "uColour" })
179 void vg_register(void)
181 SHADER_INIT( shader_tile_colour
);
182 SHADER_INIT( shader_tile_main
);
183 SHADER_INIT( shader_ball
);