Decomp SaveScriptVariableValueBytes and ScriptVariablesEqual

Author: slaw-22

asm/include/main_0204BBCC.inc renamed to asm/include/main_0204BCAC.inc

@@ -1,77 +1,8 @@
 	.include "asm/macros.inc"
-	.include "main_0204BBCC.inc"
+	.include "main_0204BCAC.inc"
 
 	.text
 
-	arm_func_start SaveScriptVariableValueBytes
-SaveScriptVariableValueBytes: ; 0x0204BBCC
-	stmdb sp!, {r3, r4, r5, lr}
-	sub sp, sp, #8
-	mov r3, r0
-	mov r5, r1
-	mov r4, r2
-	add r0, sp, #0
-	mov r2, r3
-	mov r1, #0
-	bl LoadScriptVariableRaw
-	ldr r2, [sp, #4]
-	mov r1, #0
-	b _0204BC08
-_0204BBFC:
-	ldrb r0, [r5], #1
-	add r1, r1, #1
-	strb r0, [r2], #1
-_0204BC08:
-	cmp r1, r4
-	blt _0204BBFC
-	add sp, sp, #8
-	ldmia sp!, {r3, r4, r5, pc}
-	arm_func_end SaveScriptVariableValueBytes
-
-	arm_func_start ScriptVariablesEqual
-ScriptVariablesEqual: ; 0x0204BC18
-	stmdb sp!, {r3, r4, r5, r6, r7, r8, sb, lr}
-	sub sp, sp, #0x10
-	mov r8, r0
-	mov r7, r1
-	mov r6, r2
-	add r0, sp, #8
-	mov r1, r8
-	mov r2, r7
-	bl LoadScriptVariableRaw
-	add r0, sp, #0
-	mov r1, r8
-	mov r2, r6
-	bl LoadScriptVariableRaw
-	ldr r0, [sp, #8]
-	mov r5, #0
-	ldrsh r4, [r0, #8]
-	b _0204BC98
-_0204BC5C:
-	mov r2, r5, lsl #0x10
-	mov r0, r8
-	mov r1, r7
-	mov r2, r2, lsr #0x10
-	bl LoadScriptVariableValueAtIndex
-	mov r2, r5, lsl #0x10
-	mov sb, r0
-	mov r0, r8
-	mov r1, r6
-	mov r2, r2, lsr #0x10
-	bl LoadScriptVariableValueAtIndex
-	cmp sb, r0
-	movne r0, #0
-	bne _0204BCA4
-	add r5, r5, #1
-_0204BC98:
-	cmp r5, r4
-	blt _0204BC5C
-	mov r0, #1
-_0204BCA4:
-	add sp, sp, #0x10
-	ldmia sp!, {r3, r4, r5, r6, r7, r8, sb, pc}
-	arm_func_end ScriptVariablesEqual
-
 	arm_func_start sub_0204BCAC
 sub_0204BCAC: ; 0x0204BCAC
 	stmdb sp!, {r3, lr}

asm/main_0204BBCC.s renamed to asm/main_0204BCAC.s

@@ -10,7 +10,7 @@ struct script_var_def {
     // 0x4: value's offset into struct script_var_value_table, if type != VARTYPE_SPECIAL
     s16 mem_offset;
     s16 bitshift; // 0x6: bit position if type == VARTYPE_BIT
-    u16 n_values; // 0x8: number of values (>1 means this variable is an array)
+    s16 n_values; // 0x8: number of values (>1 means this variable is an array)
     // 0xA: 0 for every variable except VAR_VERSION, which has a default value of 1.
     s16 default_val;
     char* name; // 0xC: variable name
@@ -33,11 +33,13 @@ extern const short LOCAL_SCRIPT_VAR_OFFSET;
 
 void LoadScriptVariableRaw(struct script_var_raw* sv_raw, union script_var_value sv_val_local[], const enum script_var_id sv_id);
 s32 LoadScriptVariableValue(union script_var_value sv_local[], enum script_var_id sv_id);
-s32 LoadScriptVariableValueAtIndex(union script_var_value sv_local[], enum script_var_id id, int idx);
+s32 LoadScriptVariableValueAtIndex(union script_var_value sv_local[], enum script_var_id id, u16 idx);
 void SaveScriptVariableValue(union script_var_value sv_locals[], const enum script_var_id script_var_id, u32 new_val);
 void SaveScriptVariableValueAtIndex(union script_var_value sv_locals[], const enum script_var_id script_var_id, int idx, s32 new_val);
 s32 LoadScriptVariableValueSum(union script_var_value sv_local[], const enum script_var_id sv_id);
 void LoadScriptVariableValueBytes(const enum script_var_id sv_id, u8* result, s32 num_bytes);
 void LoadScriptVariableValueString(const enum script_var_id sv_id, u8* result, u8 num_bytes);
+void SaveScriptVariableValueBytes(const enum script_var_id sv_id, u8* result, s32 num_bytes);
+s32 ScriptVariablesEqual(union script_var_value sv_val_ptr_local[], enum script_var_id sv_id_1, enum script_var_id sv_id_2);
 
 #endif //PMDSKY_SCRIPTING_H

include/scripting.h

@@ -81,7 +81,7 @@ Static main
 	Object src/main_0204AFF8.o
 	Object asm/main_0204B018.o
 	Object src/scripting.o
-	Object asm/main_0204BBCC.o
+	Object asm/main_0204BCAC.o
 	Object src/main_0204C938.o
 	Object asm/main_0204C94C.o
 	Object src/dungeon_recruitment_3.o

main.lsf

@@ -97,7 +97,7 @@ s32 LoadScriptVariableValue(union script_var_value sv_local[], enum script_var_i
     return 0;
 }
 
-s32 LoadScriptVariableValueAtIndex(union script_var_value sv_local[], enum script_var_id id, int idx)
+s32 LoadScriptVariableValueAtIndex(union script_var_value sv_local[], enum script_var_id id, u16 idx)
 {
     struct script_var_raw result;
     LoadScriptVariableRaw(&result, sv_local, id);
@@ -309,7 +309,7 @@ void LoadScriptVariableValueBytes(const enum script_var_id sv_id, u8* result, s3
 
     s32 i = 0;
     u8* val_ptr = (u8*) sv_raw.value;
-
+    
     for(i = 0; i < num_bytes; i++) {
         u8 val = *val_ptr;
         *result = val;
@@ -323,3 +323,38 @@ void LoadScriptVariableValueString(const enum script_var_id sv_id, u8* result, u
     LoadScriptVariableValueBytes(sv_id, result, num_bytes);
     result[num_bytes] = 0;
 }
+
+void SaveScriptVariableValueBytes(const enum script_var_id sv_id, u8* result, s32 num_bytes)
+{
+    struct script_var_raw sv_raw;
+    LoadScriptVariableRaw(&sv_raw, 0, sv_id);
+
+    s32 i = 0;
+    u8* val_ptr = (u8*) sv_raw.value;
+
+    for(i = 0; i < num_bytes; i++) {
+        u8 val = *result;
+        *val_ptr = val;
+        val_ptr += 1;
+        result += 1;
+    }
+}
+
+s32 ScriptVariablesEqual(union script_var_value sv_val_ptr_local[], enum script_var_id sv_id_1, enum script_var_id sv_id_2)
+{
+    struct script_var_raw script_var_raw_1, script_var_raw_2;
+
+    LoadScriptVariableRaw(&script_var_raw_1, sv_val_ptr_local, sv_id_1);
+    LoadScriptVariableRaw(&script_var_raw_2, sv_val_ptr_local, sv_id_2);
+    
+    s32 n_values = script_var_raw_1.def->n_values;
+    
+    for(int idx = 0; idx < n_values; idx++) {
+        if (LoadScriptVariableValueAtIndex(sv_val_ptr_local, sv_id_1, idx) != 
+            LoadScriptVariableValueAtIndex(sv_val_ptr_local, sv_id_2, idx)) {
+            return 0;
+        }
+    }
+
+    return 1;
+}