Fix Buffer Overflows (#28)

* Update code_800AF9B0.c

* Update code_80005FD0.c

* Update code_800029B0.c

* Update code_80091750.c

* Update code_80091750.h

* Update code_80005FD0.c

src/code_800029B0.c

@@ -128,7 +128,7 @@ u16 D_8015F890;
 u16 D_8015F892;
 u16 D_8015F894;
 // Indexed by Player ID. Track time in seconds since player has last crossed the finish line
-f32 gTimePlayerLastTouchedFinishLine[8];
+f32 gTimePlayerLastTouchedFinishLine[NUM_PLAYERS];
 
 u8 *gNmiUnknown1;
 u8 *gNmiUnknown2;

src/code_80005FD0.c

@@ -103,7 +103,7 @@ u16 D_80163318[12];
 u16 D_80163330[10];
 u16 D_80163344[2];
 u16 D_80163348[2];
-u16 D_8016334C[2];
+u16 D_8016334C[8]; // Increased from 2 to 8 to prevent array overflow.
 u16 gSpeedKartAIBehaviour[12];
 s32 D_80163368[4];
 s32 D_80163378;

src/code_80091750.c

@@ -59,8 +59,7 @@ s8 D_8018D9D8;
 s8 D_8018D9D9;
 struct_8018D9E0_entry D_8018D9E0[D_8018D9E0_SIZE];
 struct_8018DEE0_entry D_8018DEE0[D_8018DEE0_SIZE];
-struct_8018E060_entry D_8018E060[D_8018E060_SIZE];
-UNUSED u8 code_80091750_bss_padding0[8];
+struct_8018E060_entry D_8018E060[D_8018E060_SIZE + 1];
 struct_8018E0E8_entry D_8018E0E8[D_8018E0E8_SIZE];
 s32 gD_8018E118TotalSize;
 struct_8018E118_entry D_8018E118[D_8018E118_SIZE];
@@ -1596,6 +1595,7 @@ void func_80092258(void) {
     }
 }
 
+//! @bug vtx overflow from idx + 36 in this func
 void func_80092290(s32 arg0, s32 *arg1, s32 *arg2) {
     s32 temp_v1;
     s32 i;
@@ -10141,30 +10141,45 @@ escape:
  * reasoning on the original author(s) part.
 **/
 struct_8018D9E0_entry *find_8018D9E0_entry_dupe(s32 arg0) {
-    struct_8018D9E0_entry *entry = D_8018D9E0;
-    for (; !(entry > (&D_8018D9E0[D_8018D9E0_SIZE])); entry++) {
-        if (entry->type == arg0) {
-            goto escape;
+    for (size_t i = 0; i < ARRAY_COUNT(D_8018D9E0); i++) {
+        if (&D_8018D9E0[i].type == arg0) {
+            return &D_8018D9E0[i];
         }
     }
+    return NULL;
+	
+	
+//	struct_8018D9E0_entry *entry = D_8018D9E0;
+//    for (; !(entry > (&D_8018D9E0[D_8018D9E0_SIZE])); entry++) {
+//        if (entry->type == arg0) {
+//            goto escape;
+//        }
+//    }
 
     // Something VERY wrong has occurred
-    while(true);
-escape:
-    return entry;
+//    while(true);
+//escape:
+//    return entry;
 }
 
 struct_8018D9E0_entry *find_8018D9E0_entry(s32 arg0) {
-    struct_8018D9E0_entry *entry = D_8018D9E0;
-    for (; !(entry > (&D_8018D9E0[D_8018D9E0_SIZE])); entry++) {
-        if (entry->type == arg0) {
-            goto escape;
+    for (size_t i = 0; i < ARRAY_COUNT(D_8018D9E0); i++) {
+        if (&D_8018D9E0[i].type == arg0) {
+            return &D_8018D9E0[i];
         }
     }
-
     return NULL;
-escape:
-    return entry;
+
+//    struct_8018D9E0_entry *entry = D_8018D9E0;
+//    for (; !(entry > (&D_8018D9E0[D_8018D9E0_SIZE])); entry++) {
+//        if (entry->type == arg0) {
+//            goto escape;
+//        }
+//    }
+
+//    return NULL;
+//escape:
+//    return entry;
 }
 
 s32 func_800AAF70(s32 arg0) {

src/code_80091750.h

@@ -59,7 +59,7 @@ typedef struct {
 } struct_8018E0E8_entry; //size = 0x8
 
 typedef struct {
-    /* 0x00 */ u64 *textureData; // This should be interpreted as a segmented address
+    /* 0x00 */ const char *textureData; // This should be interpreted as a segmented address
     /**
      * Its hard to tell what exactly what this is meant to be,
      * but it appears to be used as some sort of offset/index from the address stored in D_8018D9B0.
@@ -426,7 +426,7 @@ extern s8 D_8018D9D8;
 extern s8 D_8018D9D9;
 extern struct_8018D9E0_entry D_8018D9E0[D_8018D9E0_SIZE];
 extern struct_8018DEE0_entry D_8018DEE0[D_8018DEE0_SIZE];
-extern struct_8018E060_entry D_8018E060[D_8018E060_SIZE];
+extern struct_8018E060_entry D_8018E060[];
 extern struct_8018E0E8_entry D_8018E0E8[D_8018E0E8_SIZE];
 extern s32 gD_8018E118TotalSize;
 extern struct_8018E118_entry D_8018E118[D_8018E118_SIZE];

src/code_800AF9B0.c

@@ -10,17 +10,7 @@
 #include "math_util.h"
 #include <stdlib.h>
 
-/*** Data ***/
-Ambient D_800E8680 = {{
-    {31, 31, 31}, 0,
-    {31, 31, 31}, 0,
-}};
-
-Light D_800E8688 = {{
-    {255, 255, 255}, 0,
-    {255, 255, 255}, 0,
-    { 40,  40,  20}, 0,
-}};
+Lights1 D_800E8680 = gdSPDefLights1(31, 31, 31, 255, 255, 255, 40, 40, 20);
 
 /*** BSS ****/
 s16 D_8018EDB0;
@@ -173,8 +163,8 @@ void func_800B0004(void) {
     UNUSED u32 pad[0x5];
     s32 i, j;
 
-    gSPLight(gDisplayListHead++, VIRTUAL_TO_PHYSICAL2(&D_800E8688), LIGHT_1);
-    gSPLight(gDisplayListHead++, VIRTUAL_TO_PHYSICAL2(&D_800E8680), LIGHT_2);
+    gSPLight(gDisplayListHead++, VIRTUAL_TO_PHYSICAL2(&D_800E8680.l[0]), LIGHT_1);
+    gSPLight(gDisplayListHead++, VIRTUAL_TO_PHYSICAL2(&D_800E8680.a), LIGHT_2);
     gSPNumLights(gDisplayListHead++, NUMLIGHTS_1);
     gSPSetGeometryMode(gDisplayListHead++, G_SHADE | G_SHADING_SMOOTH);
     gDPSetCombineLERP(gDisplayListHead++, PRIMITIVE, 0, SHADE, 0, 0, 0, 0, SHADE, PRIMITIVE, 0, SHADE, 0, 0, 0, 0, SHADE);