Fix compiler warnings and hints.

libs/loadable/loadable.nim

@@ -48,7 +48,6 @@ import std/tables
 import std/times
 import std/os
 import arr_ref # for SliceMem
-import sugar
 
 type LoadableResourceStatus* = enum
     NotStarted

libs/oiio/oiio.nim

@@ -1,6 +1,4 @@
 
-import std/strformat
-
 {.compile("oiio.cpp","-std=c++14").}
 {.passL: "-lOpenImageIO -lOpenImageIO_Util".}
 

src/gpu_formats/texture_decode.nim

@@ -39,9 +39,10 @@ proc swap_lines(p: pointer, line_stride, line_count: int) {.gcsafe.}
 import std/strformat
 import vmath except Quat, quat
 import arr_ref
-import float16
 
 const myouConvertHdrToFloat16 {.booldefine.} = not defined(myouUseOpenImageIO)
+when myouConvertHdrToFloat16:
+    import float16
 
 when defined(myouUseOpenImageIO):
     import oiio
@@ -104,9 +105,10 @@ template toOpenArrayByte(p: pointer, a,b: untyped): untyped =
 # template toOpenArray[T](p: pointer, a,b: untyped): untyped =
 #     cast[ptr UncheckedArray[T]](p).toOpenArray(a,b)
 
-proc f32_to_f16(source: ptr UncheckedArray[float32], dest: ptr UncheckedArray[Float16], len: int) =
-    for i in 0 ..< len:
-        dest[i] = source[i].tofloat16(clamp=true)
+when myouConvertHdrToFloat16:
+    proc f32_to_f16(source: ptr UncheckedArray[float32], dest: ptr UncheckedArray[Float16], len: int) =
+        for i in 0 ..< len:
+            dest[i] = source[i].tofloat16(clamp=true)
 
 proc getDimensionsFormat*(p: pointer, len: int, min_channels=0): (int, int, TextureFormat) =
     when defined(myouUseOpenImageIO):

src/gpu_formats/texture_optimize.nim

@@ -52,8 +52,6 @@ import std/monotimes
 import std/marshal
 import std/bitops
 import std/json
-import std/uri
-import std/os
 
 # TODO: don't import it here
 from ../platform/gl import nil
@@ -80,11 +78,7 @@ template has_astc_support: bool = gl.GLAD_GL_OES_texture_compression_astc or
 const myouMinTextureChannels {.intdefine.} = 0
 const myouEngineNumTextureThreads {.intdefine.} = 4
 const myouBC7VerboseMode {.booldefine.} = false
-const myouAllCacheFilesExist {.booldefine.} = false
 const myouLoadUncompressedTextures {.booldefine.} = false
-when defined(myouAllCacheFilesExist):
-    import ../platform/platform
-    import std/strutils
 
 template u32(x: untyped): uint32 = cast[uint32](x)
 
@@ -202,13 +196,13 @@ when defined(myouUseBC7Encoder):
             )
             callback(tex, KtxInfoParts(info: info, parts: parts), data_refs)
 
-template first(bs: BlockSize): uint8 =
-    bs.uint8 shr 4'u8
-
-template second(bs: BlockSize): uint8 =
-    bs.uint8 and 0xf'u8
-
 when defined(myouUseAstcEncoder):
+    template first(bs: BlockSize): uint8 =
+        bs.uint8 shr 4'u8
+
+    template second(bs: BlockSize): uint8 =
+        bs.uint8 and 0xf'u8
+
     proc atsc_compress*(tex: Texture, pixels: SliceMem[byte], callback: CallbackCompressed, blk_size: BlockSize, speed: EncodingSpeed) =
         let profile = case tex.format.component_type:
             of UByte:

src/graphics/render.nim

@@ -32,7 +32,6 @@
 
 import ../types
 import ../platform/gl
-import ../postprocessing/effect_shaders
 import arr_ref
 import vmath except Quat, quat
 
@@ -65,7 +64,6 @@ import ../objects/gameobject
 import ../objects/mesh
 import ../platform/platform
 import ../shadows/shadow_common
-import ../quat
 import ../scene
 import ../util
 import ./framebuffer

src/loaders/blend.nim

@@ -284,7 +284,8 @@ proc idPropertiesToJsonTable(prop: FNode): Table[string, JsonNode] =
             of 1: # int
                 result[name] = %val
             of 5: # array
-                let subtype = prop.subtype.i8[0]
+                # let subtype = prop.subtype.i8[0]
+                discard
             of 8: # float
                 let f = cast[ptr float64](prop.data.val.i32[0].addr)[]
                 result[name] = %f

src/objects/light.nim

@@ -33,7 +33,6 @@
 import ../types
 import vmath except Quat, quat
 import ../util
-import ../graphics/material
 
 when defined(nimdoc):
     type TYPES* = LightType | Light

src/platform/gl.nim

@@ -23,7 +23,7 @@ proc get_program_info_log*(program: GLuint): string =
 when compileOption("threads"):
     let main_thread_id = getThreadID()
 
-template handleError(x: untyped, t: string) =
+template handleError(x: untyped, t: untyped) =
     when compileOption("threads"):
         assert main_thread_id == getThreadID()
     try:

src/platform/glfw_wrap.nim

@@ -50,7 +50,8 @@ when compileOption("threads"):
     from loadable import terminateLoadableWorkerThreads
     from ../gpu_formats/texture_optimize import terminateTextureWorkerThreads
 
-func c_strstr(haystack, needle: cstring): cstring {.importc: "strstr", header: "<string.h>".}
+when not defined(release) and defined(myouForceAstc):
+    func c_strstr(haystack, needle: cstring): cstring {.importc: "strstr", header: "<string.h>".}
 
 proc screen*(window: Window): Screen {.inline.} =
     cast[Screen](window.getWindowUserPointer)

src/shadows/simple_shadow.nim

@@ -41,7 +41,6 @@ import ../graphics/ubo
 import ../objects/mesh
 import ../objects/gameobject
 import ../quat
-import ../scene
 import ../util
 import ./shadow_common