diff options
Diffstat (limited to 'game/src/Game/GlobalClass/ShaderManager.gd')
| -rw-r--r-- | game/src/Game/GlobalClass/ShaderManager.gd | 96 |
1 files changed, 68 insertions, 28 deletions
diff --git a/game/src/Game/GlobalClass/ShaderManager.gd b/game/src/Game/GlobalClass/ShaderManager.gd index a6d555f..7e409d3 100644 --- a/game/src/Game/GlobalClass/ShaderManager.gd +++ b/game/src/Game/GlobalClass/ShaderManager.gd @@ -6,20 +6,41 @@ const param_province_shape_subdivisions : StringName = &"province_shape_subdivis const param_province_colour_tex : StringName = &"province_colour_tex" const param_hover_index : StringName = &"hover_index" const param_selected_index : StringName = &"selected_index" +const param_parchment_mix : StringName = &"parchment_mix" const param_terrain_tex : StringName = &"terrain_tex" const param_terrain_tile_factor : StringName = &"terrain_tile_factor" const param_stripe_tex : StringName = &"stripe_tex" const param_stripe_tile_factor : StringName = &"stripe_tile_factor" +const param_overlay_tex : StringName = &"overlay_tex" +const param_overlay_tile_factor : StringName = &"overlay_tile_factor" const param_colormap_land_tex : StringName = &"colormap_land_tex" const param_colormap_water_tex : StringName = &"colormap_water_tex" +const param_colormap_overlay_tex : StringName = &"colormap_overlay_tex" -func _set_shader_texture(shader_material : ShaderMaterial, texture_path : StringName, texture_param : StringName) -> Error: - var texture := AssetManager.get_texture(texture_path) - if texture == null: - push_error("Failed to get texture: ", texture_path) - return FAILED - shader_material.set_shader_parameter(texture_param, texture) - return OK +func _set_shader_texture( + shader_material : ShaderMaterial, texture_param : StringName, texture : Texture, + tile_factor_param : StringName = &"", pixels_per_tile : float = 0.0 +) -> Error: + var err : Error = OK + if texture != null: + shader_material.set_shader_parameter(texture_param, texture) + else: + push_error("Invalid texture for shader parameter ", texture_param, " - null!") + err = FAILED + if tile_factor_param: + # Set to 1.0 / pixels_per_tile as the shader can multiply faster than it can divide, and it will not automatically + # optimise to multiplication by a reciprocal for fear of losing precision. As pixels_per_tile is often a power of two, + # this doesn't actually lose any precision, and even if it did it would be insignificant. + shader_material.set_shader_parameter(tile_factor_param, 1.0 / pixels_per_tile) + return err + +func _set_shader_asset_texture( + shader_material : ShaderMaterial, texture_param : StringName, texture_path : StringName, + tile_factor_param : StringName = &"", pixels_per_tile : float = 0.0 +) -> Error: + return _set_shader_texture( + shader_material, texture_param, AssetManager.get_texture(texture_path), tile_factor_param, pixels_per_tile + ) func set_up_shader(material : Material, add_cosmetic_textures : bool) -> Error: # Shader Material @@ -34,46 +55,65 @@ func set_up_shader(material : Material, add_cosmetic_textures : bool) -> Error: var ret : Error = OK # Province shape texture - var province_shape_texture := GameSingleton.get_province_shape_texture() - if province_shape_texture == null: - push_error("Failed to get province shape texture!") + if _set_shader_texture(shader_material, param_province_shape_tex, GameSingleton.get_province_shape_texture()) != OK: + push_error("Failed to set province shape shader texture array!") ret = FAILED + + var subdivisions : Vector2i = GameSingleton.get_province_shape_image_subdivisions() + if subdivisions.x >= 1 and subdivisions.y >= 1: + shader_material.set_shader_parameter(param_province_shape_subdivisions, Vector2(subdivisions)) else: - shader_material.set_shader_parameter(param_province_shape_tex, province_shape_texture) - var subdivisions := GameSingleton.get_province_shape_image_subdivisions() - if subdivisions.x < 1 or subdivisions.y < 1: push_error("Invalid province shape image subdivision: ", subdivisions.x, "x", subdivisions.y) ret = FAILED - else: - shader_material.set_shader_parameter(param_province_shape_subdivisions, Vector2(subdivisions)) if add_cosmetic_textures: # Province colour texture - var map_province_colour_texture := GameSingleton.get_province_colour_texture() - if map_province_colour_texture == null: - push_error("Failed to get province colour texture!") + if _set_shader_texture(shader_material, param_province_colour_tex, GameSingleton.get_province_colour_texture()) != OK: + push_error("Failed to set province colour shader texture!") ret = FAILED - else: - shader_material.set_shader_parameter(param_province_colour_tex, map_province_colour_texture) # Terrain texture - var terrain_texture := GameSingleton.get_terrain_texture() - if terrain_texture == null: - push_error("Failed to get terrain texture!") + const pixels_per_terrain_tile : float = 16.0 + if _set_shader_texture( + shader_material, + param_terrain_tex, GameSingleton.get_terrain_texture(), + param_terrain_tile_factor, pixels_per_terrain_tile + ) != OK: + push_error("Failed to set terrain shader texture array!") ret = FAILED - else: - shader_material.set_shader_parameter(param_terrain_tex, terrain_texture) # Stripe texture - if _set_shader_texture(shader_material, &"map/terrain/stripes.dds", param_stripe_tex) != OK: + const pixels_per_stripe_tile : float = 8.0 + if _set_shader_asset_texture( + shader_material, + param_stripe_tex, &"map/terrain/stripes.dds", + param_stripe_tile_factor, pixels_per_stripe_tile + ) != OK: + push_error("Failed to set stripe shader texture!") + ret = FAILED + + # Overlay texture + const pixels_per_overlay_tile : float = 512.0 + if _set_shader_asset_texture( + shader_material, + param_overlay_tex, &"map/terrain/map_overlay_tile.dds", + param_overlay_tile_factor, pixels_per_overlay_tile + ) != OK: + push_error("Failed to set overlay shader texture!") ret = FAILED # Land colormap - if _set_shader_texture(shader_material, &"map/terrain/colormap.dds", param_colormap_land_tex) != OK: + if _set_shader_asset_texture(shader_material, param_colormap_land_tex, &"map/terrain/colormap.dds") != OK: + push_error("Failed to set land colormap shader texture!") ret = FAILED # Water colormap - if _set_shader_texture(shader_material, &"map/terrain/colormap_water.dds", param_colormap_water_tex) != OK: + if _set_shader_asset_texture(shader_material, param_colormap_water_tex, &"map/terrain/colormap_water.dds") != OK: + push_error("Failed to set water colormap shader texture!") + ret = FAILED + # Overlay colormap + if _set_shader_asset_texture(shader_material, param_colormap_overlay_tex, &"map/terrain/colormap_political.dds") != OK: + push_error("Failed to set overlay colormap shader texture!") ret = FAILED return ret |