From 26186c33ee7f137ecbdcd8320984fe78faedbe5e Mon Sep 17 00:00:00 2001
From: Prakxo <lycos2003@gmail.com>
Date: Wed, 21 Dec 2022 00:00:29 +0100
Subject: [PATCH] match some of fraser/cuyler files.

---
 .gitignore                                 |  2 +-
 common.py                                  |  1 +
 config/dol_slices.yml                      |  4 ++
 config/rel_slices.yml                      |  9 +++-
 include/_mem.h                             | 19 +++++++
 include/libultra/gfxprint.h                | 22 ++++++++
 include/libultra/libultra.h                |  4 ++
 include/random_field.h                     | 11 ++++
 include/roomtype.h                         | 58 ++++++++++++++++++++++
 include/types.h                            | 11 +++-
 rel/m_random_field/mRF_GetRandomStepMode.c |  5 ++
 rel/m_random_field/mRF_MakePerfectBit.c    | 10 ++++
 rel/m_room_type/mRmTp_FtrItemNo2FtrIdx.c   | 17 +++++++
 src/libultra/gfxprint/gfxprint_locate.c    |  6 +++
 src/libultra/gfxprint/gfxprint_locate8x8.c |  7 +++
 15 files changed, 183 insertions(+), 3 deletions(-)
 create mode 100644 include/_mem.h
 create mode 100644 include/libultra/gfxprint.h
 create mode 100644 include/random_field.h
 create mode 100644 include/roomtype.h
 create mode 100644 rel/m_random_field/mRF_GetRandomStepMode.c
 create mode 100644 rel/m_random_field/mRF_MakePerfectBit.c
 create mode 100644 rel/m_room_type/mRmTp_FtrItemNo2FtrIdx.c
 create mode 100644 src/libultra/gfxprint/gfxprint_locate.c
 create mode 100644 src/libultra/gfxprint/gfxprint_locate8x8.c

diff --git a/.gitignore b/.gitignore
index a1f62ab6..8393129a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,7 @@ __pycache__/
 build/
 expected/
 rel/*/*.s
-src/*/*.s
+src/*/*/*.s  
 out/
 dump/*
 !dump/foresta.rel.sha1
diff --git a/common.py b/common.py
index 4772dc20..096dac52 100644
--- a/common.py
+++ b/common.py
@@ -309,6 +309,7 @@ LOCAL_CFLAGS = [
     "-nostdinc",
     "-proc gekko",
     "-maxerrors 1",
+    "-Cpp_exceptions off",
     "-I-",
     f"-i {INCDIR}",
     f"-i {PPCDIS_INCDIR}",
diff --git a/config/dol_slices.yml b/config/dol_slices.yml
index e69de29b..5fc2380f 100644
--- a/config/dol_slices.yml
+++ b/config/dol_slices.yml
@@ -0,0 +1,4 @@
+libultra/gfxprint/gfxprint_locate.c:
+    .text: [0x8005B1EC, 0x8005B210]
+libultra/gfxprint/gfxprint_locate8x8.c:
+    .text: [0x8005B210, 0x8005B238]
\ No newline at end of file
diff --git a/config/rel_slices.yml b/config/rel_slices.yml
index adf19427..bea3439b 100644
--- a/config/rel_slices.yml
+++ b/config/rel_slices.yml
@@ -7,4 +7,11 @@ zurumode/zerucheck_key_check.c:
 zurumode/zurumode_cleanup.c:
     .text: [0x8040efc4, 0x8040f008]
 # zurumode/zurumode_update.c:
-    # .text: [0x8040EDA8 , 0x8040ee74] Has C++ functions but was matched with C?? Won't really bother at the moment with this one.
\ No newline at end of file
+    # .text: [0x8040EDA8 , 0x8040ee74] Has C++ functions but was matched with C?? Won't really bother at the moment with this one.
+m_random_field/mRF_MakePerfectBit.c:
+    .text: [0x8050B1AC, 0x8050B1D4]
+m_random_field/mRF_GetRandomStepMode.c:
+    .text: [0x8050B284, 0x8050B2C0]
+m_room_type/mRmTp_FtrItemNo2FtrIdx.c:
+    .text: [0x803E7878, 0x803E78BC]
+
diff --git a/include/_mem.h b/include/_mem.h
new file mode 100644
index 00000000..196e8826
--- /dev/null
+++ b/include/_mem.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#pragma section code_type ".init"
+
+void * memcpy(void * dst, const void * src, size_t n);
+void * memset(void * dst, int val, size_t n);
+void __fill_mem(void * dst, int val, unsigned long n);
+
+#pragma section code_type
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/include/libultra/gfxprint.h b/include/libultra/gfxprint.h
new file mode 100644
index 00000000..dd75ac66
--- /dev/null
+++ b/include/libultra/gfxprint.h
@@ -0,0 +1,22 @@
+#ifndef GFXPRINT_H
+#define GFXPRINT_H
+
+#include "types.h"
+
+typedef struct gfxprint_obj  {
+    s32 unk0;
+    struct unknown_struct * unk4;
+    s16 NewX;
+    s16 NewY;
+    u16 PrevX;
+    u8 PrevY;
+    u8 unkF;
+    u8 R;
+    u8 G;
+    u8 B;
+    u8 A; 
+};
+
+void gfxprint_locate(struct gfxprint_obj*, s32, s32); 
+
+#endif
diff --git a/include/libultra/libultra.h b/include/libultra/libultra.h
index f7438fa8..ade6e295 100644
--- a/include/libultra/libultra.h
+++ b/include/libultra/libultra.h
@@ -1,6 +1,10 @@
 #ifndef LIBULTRA_H
 #define LIBULTRA_H
+#include "types.h"
 
+
+void bcopy(const void *dst, void *src, size_t n);
+void bzero(void *ptr, size_t size);
 extern s32 osAppNMIBuffer[16];
 
 #endif 
\ No newline at end of file
diff --git a/include/random_field.h b/include/random_field.h
new file mode 100644
index 00000000..a9d38a39
--- /dev/null
+++ b/include/random_field.h
@@ -0,0 +1,11 @@
+#ifndef RANDOM_FIELD_H
+#define RANDOM_FIELD_H
+
+#include "types.h"
+
+#define mRF_PERFECT_BIT 9
+
+int mRF_GetRandom(int val);
+
+
+#endif
\ No newline at end of file
diff --git a/include/roomtype.h b/include/roomtype.h
new file mode 100644
index 00000000..dd1e535a
--- /dev/null
+++ b/include/roomtype.h
@@ -0,0 +1,58 @@
+#ifndef ROOM_TYPE_H
+#define ROOM_TYPE_H
+
+#include "types.h"
+
+enum {
+  FG_ITEM0_TYPE,
+  FG_FTR0_TYPE,
+  FG_ITEM1_TYPE,
+  FG_FTR1_TYPE,
+  FG_NXGT0_TYPE,
+  FG_STRUCTURE_TYPE,
+  FG_PAD6_TYPE,
+  FG_PAD7_TYPE,
+  FG_ITEM2_TYPE,
+  FG_ACTOR_TYPE,
+  FG_PROPS_TYPE,
+  FG_PAD11_TYPE,
+  FG_PAD12_TYPE,
+  FG_SP_NPC_TYPE,
+  FG_NPC_TYPE,
+  FG_DONT_TYPE,
+  FG_TYPE_NUM
+};
+
+// TEMPORARY. Should be generated with .decl files
+#define ITEM0_NO_START 0x0000
+#define NULL_NO ITEM0_NO_START
+#define ITEM0_1_NO_START ITEM0_NO_START + 0x800
+
+#define FTR0_NO_START 0x1000
+
+#define ITEM1_NO_START 0x2000
+#define ITEM1_0_NO_START ITEM0_1_NO_START        // paper
+#define ITEM1_1_NO_START ITEM1_NO_START + 0x100  // money
+#define ITEM1_2_NO_START ITEM1_NO_START + 0x200  // tools
+#define ITEM1_3_NO_START ITEM1_NO_START + 0x300  // fish
+#define ITEM1_4_NO_START ITEM1_NO_START + 0x400  // clothing
+#define ITEM1_5_NO_START ITEM1_NO_START + 0x500  // etc
+#define ITEM1_6_NO_START ITEM1_NO_START + 0x600  // carpets
+#define ITEM1_7_NO_START ITEM1_NO_START + 0x700  // wallpaper
+#define ITEM1_8_NO_START ITEM1_NO_START + 0x800  // food
+#define ITEM1_9_NO_START ITEM1_NO_START + 0x900  // seeds
+#define ITEM1_A_NO_START ITEM1_NO_START + 0xA00  // mini disks
+#define ITEM1_B_NO_START ITEM1_NO_START + 0xB00  // diaries
+#define ITEM1_C_NO_START ITEM1_NO_START + 0xC00  // tickets
+#define ITEM1_D_NO_START ITEM1_NO_START + 0xD00  // insects
+#define ITEM1_E_NO_START ITEM1_NO_START + 0xE00  // hukubukuro
+#define ITEM1_F_NO_START ITEM1_NO_START + 0xF00  // kabu
+
+#define FTR1_NO_START 0x3000
+
+#define GET_FG_ITEM0_CATEGORY(f) (((f)&0x800) >> 11)
+#define GET_FG_ITEM1_CATEGORY(f) (((f)&0xF00) >> 8)
+#define GET_FG_TYPE(f) (((f)&0xF000) >> 12)
+
+
+#endif
\ No newline at end of file
diff --git a/include/types.h b/include/types.h
index 0f8ccc2b..f53d796f 100644
--- a/include/types.h
+++ b/include/types.h
@@ -26,6 +26,15 @@ typedef double f64;
 typedef volatile f32 vf32;
 typedef volatile f64 vf64;
 
-#define NULL ((void*)0)
+typedef int BOOL;
+typedef unsigned int uintptr_t; // Manually added
 
+// Pointer to unknown, to be determined at a later date.
+typedef void* unkptr;
+typedef u32 unknown;
+
+#define TRUE 1
+#define FALSE 0
+#define NULL ((void*)0)
+#define nullptr 0
 #endif
\ No newline at end of file
diff --git a/rel/m_random_field/mRF_GetRandomStepMode.c b/rel/m_random_field/mRF_GetRandomStepMode.c
new file mode 100644
index 00000000..440c6c2d
--- /dev/null
+++ b/rel/m_random_field/mRF_GetRandomStepMode.c
@@ -0,0 +1,5 @@
+#include "random_field.h"
+
+int mRF_GetRandomStepMode(void) {
+    return mRF_GetRandom(100) < 15;
+}
\ No newline at end of file
diff --git a/rel/m_random_field/mRF_MakePerfectBit.c b/rel/m_random_field/mRF_MakePerfectBit.c
new file mode 100644
index 00000000..818d92bc
--- /dev/null
+++ b/rel/m_random_field/mRF_MakePerfectBit.c
@@ -0,0 +1,10 @@
+#include "random_field.h"
+int mRF_MakePerfectBit(void) {
+    int perfect_bit = 0;
+    int i;
+    for (i = 0; i < mRF_PERFECT_BIT; i++) {
+        perfect_bit |= 1 << i;
+    }
+
+    return perfect_bit;
+}
diff --git a/rel/m_room_type/mRmTp_FtrItemNo2FtrIdx.c b/rel/m_room_type/mRmTp_FtrItemNo2FtrIdx.c
new file mode 100644
index 00000000..4577018c
--- /dev/null
+++ b/rel/m_room_type/mRmTp_FtrItemNo2FtrIdx.c
@@ -0,0 +1,17 @@
+#include "roomtype.h"
+
+#define FTR_NO_2_FTR_IDX(f) ((f) >> 2)
+#define NUM_FTR_IN_TYPE (FTR_NO_2_FTR_IDX(0x1000))
+#define IS_FTR(f) ((f) == FG_FTR0_TYPE || (f) == FG_FTR1_TYPE)
+
+extern int mRmTp_FtrItemNo2FtrIdx(u16 ftr_no) {
+  int type = GET_FG_TYPE(ftr_no);
+  if (IS_FTR(type)) {
+    if (type == FG_FTR0_TYPE) {
+      return FTR_NO_2_FTR_IDX(ftr_no - FTR0_NO_START);
+    }
+    return FTR_NO_2_FTR_IDX(ftr_no - FTR1_NO_START) + NUM_FTR_IN_TYPE;
+  }
+
+  return NULL_NO;
+}
diff --git a/src/libultra/gfxprint/gfxprint_locate.c b/src/libultra/gfxprint/gfxprint_locate.c
new file mode 100644
index 00000000..4491b42a
--- /dev/null
+++ b/src/libultra/gfxprint/gfxprint_locate.c
@@ -0,0 +1,6 @@
+#include "libultra/gfxprint.h"
+
+void gfxprint_locate(struct gfxprint_obj* gfxprint, s32 x, s32 y) {
+    gfxprint->NewX = (s16) (gfxprint->PrevX + (x * 4));
+    gfxprint->NewY = (s16) (gfxprint->PrevY + (y * 4));
+}
\ No newline at end of file
diff --git a/src/libultra/gfxprint/gfxprint_locate8x8.c b/src/libultra/gfxprint/gfxprint_locate8x8.c
new file mode 100644
index 00000000..36229349
--- /dev/null
+++ b/src/libultra/gfxprint/gfxprint_locate8x8.c
@@ -0,0 +1,7 @@
+#include "libultra/gfxprint.h"
+
+void gfxprint_locate8x8(struct gfxprint_obj* arg0, s32 arg1, s32 arg2) {
+    s32 x = arg1 << 3;
+    s32 y = arg2 << 3;
+    gfxprint_locate(arg0, x, y);
+}
\ No newline at end of file