diff options
Diffstat (limited to 'game/src/GameSession/TerrainMap.gdshader')
| -rw-r--r-- | game/src/GameSession/TerrainMap.gdshader | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/game/src/GameSession/TerrainMap.gdshader b/game/src/GameSession/TerrainMap.gdshader index 305a34b..f80d6bd 100644 --- a/game/src/GameSession/TerrainMap.gdshader +++ b/game/src/GameSession/TerrainMap.gdshader @@ -6,6 +6,8 @@ render_mode unshaded; uniform sampler2D farmlands_tex: source_color, repeat_enable, filter_linear; // Province index texture uniform sampler2DArray province_index_tex : source_color, repeat_enable, filter_nearest; +// Province index subdivisions +uniform vec2 province_index_subdivisions; // Province colour texture uniform sampler2D province_colour_tex: source_color, repeat_enable, filter_nearest; // Index of the mouse over the map mesh @@ -19,9 +21,9 @@ uvec2 vec2_to_uvec2(vec2 v) { return uvec2(v * 255.0); } uvec2 read_uvec2(vec2 uv) { - float width_divisions = float(textureSize(province_index_tex, 0).z); - uv.x *= width_divisions; - float idx = mod(floor(uv.x), width_divisions); + uv *= province_index_subdivisions; + vec2 subdivision_coords = mod(floor(uv), province_index_subdivisions); + float idx = subdivision_coords.x + subdivision_coords.y * province_index_subdivisions.x; return vec2_to_uvec2(texture(province_index_tex, vec3(uv, idx)).rg); } uint uvec2_to_uint(uvec2 v) { |