Enable full IDO warnings (#781)

* Fix a lot of IDO warnings (and some Clang ones)

* Format

* Put FULL_DISASM=0 back

* Fix bss

src/code/audio/audio_load.c

@@ -459,6 +459,7 @@ s32 AudioLoad_SyncLoadInstrument(s32 fontId, s32 instId, s32 drumId) {
         if (instrument->normalRangeHi != 0x7F) {
             return AudioLoad_SyncLoadSample(instrument->highNotesSound.sample, fontId);
         }
+        // TODO: is this missing return UB?
     } else if (instId == 0x7F) {
         Drum* drum = AudioPlayback_GetDrum(fontId, drumId);
 
@@ -468,6 +469,7 @@ s32 AudioLoad_SyncLoadInstrument(s32 fontId, s32 instId, s32 drumId) {
         AudioLoad_SyncLoadSample(drum->sound.sample, fontId);
         return 0;
     }
+    // TODO: is this missing return UB?
 }
 
 void AudioLoad_AsyncLoad(s32 tableType, s32 id, s32 nChunks, s32 retData, OSMesgQueue* retQueue) {

src/code/graph.c

@@ -13,7 +13,7 @@ GfxMasterList* gGfxMasterDL;
 CfbInfo sGraphCfbInfos[3];
 OSTime sGraphTaskStartTime;
 
-void* Graph_FaultClient(void) {
+void Graph_FaultClient(void) {
     FaultDrawer_DrawText(30, 100, "ShowFrameBuffer PAGE 0/1");
     osViSwapBuffer(SysCfb_GetFbPtr(0));
     osViSetMode(D_801FBB88);

src/code/z_actor.c

@@ -240,7 +240,7 @@ void ActorShadow_DrawFeet(Actor* actor, Lights* mapper, GlobalContext* globalCtx
                         }
                         actor->shape.unk_17 &= ~spB8;
 
-                        if (!mapper->l.l) {} // POSSIBLE FAKE MATCH
+                        if ((uintptr_t)mapper->l.l) {} // POSSIBLE FAKE MATCH
                     }
                 }
 

src/code/z_bgcheck.c

@@ -4441,11 +4441,13 @@ s32 WaterBox_GetSurfaceImpl(GlobalContext* globalCtx, CollisionContext* colCtx,
     return false;
 }
 
+// boolean
 s32 WaterBox_GetSurface1(GlobalContext* globalCtx, CollisionContext* colCtx, f32 x, f32 z, f32* ySurface,
                          WaterBox** outWaterBox) {
-    WaterBox_GetSurface1_2(globalCtx, colCtx, x, z, ySurface, outWaterBox);
+    return WaterBox_GetSurface1_2(globalCtx, colCtx, x, z, ySurface, outWaterBox);
 }
 
+// boolean
 s32 WaterBox_GetSurface1_2(GlobalContext* globalCtx, CollisionContext* colCtx, f32 x, f32 z, f32* ySurface,
                            WaterBox** outWaterBox) {
     s32 bgId;

src/code/z_demo.c

@@ -1418,6 +1418,7 @@ void Cutscene_ProcessCommands(GlobalContext* globalCtx, CutsceneContext* csCtx,
     }
 }
 #else
+void Cutscene_ProcessCommands(GlobalContext* globalCtx, CutsceneContext* csCtx, u8* cutscenePtr);
 #pragma GLOBAL_ASM("asm/non_matchings/code/z_demo/Cutscene_ProcessCommands.s")
 #endif
 

src/code/z_eff_blure.c

@@ -309,6 +309,7 @@ void EffectBlure_GetComputedValues(EffectBlure* this, s32 index, f32 ratio, Vec3
     Vec3s sp30;
     f32 mode4Param;
     EffectBlureElement* elem = &this->elements[index];
+    Vec3s* unusedPtr = &sp30; // Optimized out but seems necessary to match stack usage
 
     switch (this->calcMode) {
         case 1:
@@ -367,8 +368,6 @@ void EffectBlure_GetComputedValues(EffectBlure* this, s32 index, f32 ratio, Vec3
             break;
     }
 
-    sp30 = sp30; // Optimized out but seems necessary to match stack usage
-
     if (this->flags & 0x10) {
         color1->r = color1->g = color1->b = color1->a = 255;
         color2->r = color2->g = color2->b = color2->a = 255;

src/code/z_lights.c

@@ -216,7 +216,7 @@ void Lights_BindAll(Lights* lights, LightNode* listHead, Vec3f* refPos, GlobalCo
     }
 }
 
-LightNode* Lights_FindBufSlot() {
+LightNode* Lights_FindBufSlot(void) {
     LightNode* ret;
 
     if (sLightsBuffer.numOccupied >= LIGHTS_BUFFER_SIZE) {

src/code/z_quake.c

@@ -638,7 +638,7 @@ void Distortion_Update(void) {
             sDistortionContext.countdown = 2;
             player = GET_PLAYER(globalCtx);
 
-            if (&player->actor != NULL) {
+            if (player != NULL) {
                 Actor_GetWorldPosShapeRot(&playerPosRot, &player->actor);
             }
 

src/code/z_scene.c

@@ -341,7 +341,7 @@ void Scene_HeaderCmdEnvLightSettings(GlobalContext* globalCtx, SceneCmd* cmd) {
  * Loads different texture files for each region of the world.
  * These later are stored in segment 0x06, and used in maps.
  */
-s32 Scene_LoadAreaTextures(GlobalContext* globalCtx, s32 fileIndex) {
+void Scene_LoadAreaTextures(GlobalContext* globalCtx, s32 fileIndex) {
     static RomFile sceneTextureFiles[9] = {
         { 0, 0 }, // Default
         { SEGMENT_ROM_START(scene_texture_01), SEGMENT_ROM_END(scene_texture_01) },
@@ -358,10 +358,8 @@ s32 Scene_LoadAreaTextures(GlobalContext* globalCtx, s32 fileIndex) {
 
     if (size != 0) {
         globalCtx->roomCtx.unk74 = THA_AllocEndAlign16(&globalCtx->state.heap, size);
-        return DmaMgr_SendRequest0(globalCtx->roomCtx.unk74, vromStart, size);
+        DmaMgr_SendRequest0(globalCtx->roomCtx.unk74, vromStart, size);
     }
-
-    // UB: Undefined behaviour to not have a return statement here, but it breaks matching to add one.
 }
 
 // SceneTableEntry Header Command 0x11: Skybox Settings

src/code/z_scene_proc.c

@@ -234,7 +234,7 @@ f32 Scene_LagrangeInterp(s32 n, f32 x[], f32 fx[], f32 xp) {
     s32 i;
     s32 j;
 
-    for (i = 0, weightsPtr = weights, xPtr1 = x, fxPtr = fx, weightsPtr = weightsPtr; i < n; i++) {
+    for (i = 0, xPtr1 = x, fxPtr = fx, weightsPtr = weights; i < n; i++) {
         for (xVal = *xPtr1, m = 1.0f, j = 0, xPtr2 = x; j < n; j++) {
             if (j != i) {
                 m *= xVal - (*xPtr2);

src/code/z_skelanime.c

@@ -1238,9 +1238,9 @@ void SkelAnime_InitLink(GlobalContext* globalCtx, SkelAnime* skelAnime, FlexSkel
  */
 void LinkAnimation_SetUpdateFunction(SkelAnime* skelAnime) {
     if (skelAnime->mode <= ANIMMODE_LOOP_INTERP) {
-        skelAnime->update = LinkAnimation_Loop;
+        skelAnime->update.link = LinkAnimation_Loop;
     } else {
-        skelAnime->update = LinkAnimation_Once;
+        skelAnime->update.link = LinkAnimation_Once;
     }
     skelAnime->morphWeight = 0.0f;
 }
@@ -1250,7 +1250,7 @@ void LinkAnimation_SetUpdateFunction(SkelAnime* skelAnime) {
  * finishes.
  */
 s32 LinkAnimation_Update(GlobalContext* globalCtx, SkelAnime* skelAnime) {
-    return skelAnime->update(globalCtx, skelAnime);
+    return skelAnime->update.link(globalCtx, skelAnime);
 }
 
 /**
@@ -1355,7 +1355,7 @@ void LinkAnimation_Change(GlobalContext* globalCtx, SkelAnime* skelAnime, LinkAn
             SkelAnime_CopyFrameTable(skelAnime, skelAnime->morphTable, skelAnime->jointTable);
             morphFrames = -morphFrames;
         } else {
-            skelAnime->update = LinkAnimation_Morph;
+            skelAnime->update.link = LinkAnimation_Morph;
             AnimationContext_SetLoadFrame(globalCtx, animation, (s32)startFrame, skelAnime->limbCount,
                                           skelAnime->morphTable);
         }
@@ -1599,11 +1599,11 @@ void SkelAnime_InitSkin(GameState* gameState, SkelAnime* skelAnime, SkeletonHead
  */
 void SkelAnime_SetUpdate(SkelAnime* skelAnime) {
     if (skelAnime->mode <= ANIMMODE_LOOP_INTERP) {
-        skelAnime->update = SkelAnime_LoopFull;
+        skelAnime->update.normal = SkelAnime_LoopFull;
     } else if (skelAnime->mode <= ANIMMODE_ONCE_INTERP) {
-        skelAnime->update = SkelAnime_Once;
+        skelAnime->update.normal = SkelAnime_Once;
     } else {
-        skelAnime->update = SkelAnime_LoopPartial;
+        skelAnime->update.normal = SkelAnime_LoopPartial;
     }
 }
 
@@ -1612,7 +1612,7 @@ void SkelAnime_SetUpdate(SkelAnime* skelAnime) {
  * finishes.
  */
 s32 SkelAnime_Update(SkelAnime* skelAnime) {
-    return skelAnime->update(skelAnime);
+    return skelAnime->update.normal(skelAnime);
 }
 
 /**
@@ -1774,10 +1774,10 @@ void Animation_ChangeImpl(SkelAnime* skelAnime, AnimationHeader* animation, f32
             morphFrames = -morphFrames;
         } else {
             if (taper != ANIMTAPER_NONE) {
-                skelAnime->update = SkelAnime_MorphTaper;
+                skelAnime->update.normal = SkelAnime_MorphTaper;
                 skelAnime->taper = taper;
             } else {
-                skelAnime->update = SkelAnime_Morph;
+                skelAnime->update.normal = SkelAnime_Morph;
             }
             SkelAnime_GetFrameData(animation, startFrame, skelAnime->limbCount, skelAnime->morphTable);
         }

src/code/z_sram_NES.c

@@ -1495,7 +1495,7 @@ void func_80146DF8(SramContext* sramCtx) {
 }
 
 void Sram_InitSram(GameState* gameState, SramContext* sramCtx) {
-    if (&gSaveContext.save) {}
+    if (gSaveContext.save.entranceIndex) {} // Required to match
 
     func_801A3D98(gSaveContext.options.audioSetting);
 }