Implement & link m_random_field.c

config/rel_slices.yml

@@ -71,6 +71,10 @@ m_police_box.c:
     .text: [0x803DE8A0, 0x803DEE38]
     .rodata: [0x806431C8, 0x806431D8]
     .data: [0x8065BE98, 0x8065BEF0]
+m_random_field.c:
+    .text: [0x803E4B20, 0x803E50E4]
+    .rodata: [0x80643218, 0x80643240]
+    .data: [0x8065C098, 0x8065C588]
 m_room_type/mRmTp_FtrItemNo2FtrIdx.c:
     .text: [0x803E7878, 0x803E78BC]
 #m_time.c: # unlinked until function callers that reorder local static variables are implemented.

include/m_collision_bg.h

@@ -58,6 +58,7 @@ extern f32 mCoBG_GetBgY_AngleS_FromWpos(s_xyz* angle_to_ground, xyz_t wpos, f32
 extern int mCoBG_CheckWaterAttribute_OutOfSea(u32 attribute);
 extern int mCoBG_CheckHole_OrgAttr(u32 attribute);
 extern f32 mCoBG_GetBgY_OnlyCenter_FromWpos2(xyz_t wpos, f32 foot_dist);
+extern int mCoBG_Attribute2CheckPlant(u32 attribute, const xyz_t* wpos);
 
 extern f32 mCoBG_GetWaterHeight_File(xyz_t wpos, char* file, int line);
 #define mCoBG_GetWaterHeight(wpos) mCoBG_GetWaterHeight_File(wpos, __FILE__, __LINE__)

include/m_field_info.h

@@ -21,6 +21,8 @@ extern "C" {
 #define mFI_ROW_TO_CHARSTR(row) ((row) + 'A')
 #define mFI_COL_TO_CHARSTR(col) ((col) + '0')
 
+#define mFI_NUM_SOUND_SOURCES 6
+
 enum field_type {
   mFI_FIELDTYPE_FG,
   mFI_FIELDTYPE_1,
@@ -100,6 +102,15 @@ typedef struct block_table_s {
   mActor_name_t* items;
 } mFI_block_tbl_c;
 
+enum {
+  mFI_SOUND_SOURCE_POND = 3, // TODO: might not be correct name
+};
+
+typedef struct sound_source_info_s {
+  s16 kind;
+  xyz_t wpos;
+} mFI_sound_source_info_c;
+
 extern int mFI_CheckFieldData();
 extern mActor_name_t mFI_GetFieldId();
 extern int mFI_GetClimate();
@@ -120,6 +131,12 @@ extern mCoBG_Collision_u* mFI_GetBkNum2ColTop(int block_x, int block_z);
 extern u32 mFI_BkNum2BlockKind(int block_x, int block_z);
 extern int mFI_BlockKind2BkNum(int* block_x, int* block_z, u32 block_kind);
 extern int mFI_GetBlockUtNum2FG(mActor_name_t* fg_item, int block_x, int block_z, int ut_x, int ut_z);
+extern void mFI_UtNum2CenterWpos(xyz_t* wpos, int ut_x, int ut_z);
+extern u8 mFI_GetBlockXMax();
+extern u8 mFI_GetBlockZMax();
+extern u8 mFI_BkNum2BlockType();
+extern mFI_sound_source_info_c* mFI_GetSoundSourcePBlockNum(int block_x,int block_z);
+extern int mFI_Wpos2UtNum(int* ut_x, int* ut_z, xyz_t wpos);
 
 extern void mFI_PrintNowBGNum(gfxprint_t* gfxprint);
 extern void mFI_PrintFgAttr(gfxprint_t* gfxprint);

include/m_field_make.h

@@ -37,6 +37,13 @@ typedef struct fg_items_s {
   /* 0x000 */ mActor_name_t items[UT_Z_NUM][UT_X_NUM];
 } mFM_fg_c;
 
+/* sizeof (mFM_combo_info_c) == 6 */
+typedef struct block_combo_s {
+  /* 0x00 */ mActor_name_t bg_id;
+  /* 0x02 */ mActor_name_t fg_id;
+  /* 0x05 */ u8 type;
+} mFM_combo_info_c;
+
 #ifdef __cplusplus
 }
 #endif

include/m_random_field.h

@@ -0,0 +1,77 @@
+#ifndef M_RANDOM_FIELD_H
+#define M_RANDOM_FIELD_H
+
+#include "types.h"
+#include "m_random_field_h.h"
+#include "m_field_make.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define mRF_BLOCK_TYPE_MAX 108 // TODO: this is likely a giant enum lol
+#define mRF_DIRECT_ERROR 100
+
+enum {
+  mRF_GATE_NONE,
+  mRF_GATE1_TYPE0,
+  mRF_GATE1_TYPE1,
+  mRF_GATE2_TYPE0,
+  mRF_GATE2_TYPE1,
+  mRF_GATE3_TYPE0,
+
+  mRF_GATE_TYPE_NUM
+};
+
+enum {
+  mRF_DIRECT_NORTH,
+  mRF_DIRECT_WEST,
+  mRF_DIRECT_SOUTH,
+  mRF_DIRECT_EAST,
+
+  mRF_DIRECT_NUM
+};
+
+enum {
+  mRF_RIVER0,
+  mRF_RIVER1,
+  mRF_RIVER2,
+  mRF_RIVER3,
+  mRF_RIVER4,
+  mRF_RIVER5,
+  mRF_RIVER6,
+
+  mRF_RIVER_NUM
+};
+
+enum {
+  mRF_FIELD_STEP1,  /* first level */
+  mRF_FIELD_STEP2,  /* second level*/
+  mRF_FIELD_STEP3,  /* third level */
+  mRF_FIELD_STEP4,  /* fourth level */
+
+  mRF_FIELD_STEP_NUM
+};
+
+typedef struct gate_s {
+  int ut0;
+  int ut1;
+} mRF_gate_c;
+
+extern u32 mRF_Type2BlockInfo(u8 type);
+extern int mRF_SearchPond(int* ut_x, int* ut_z, int block_x, int block_z);
+extern mRF_gate_c* mRF_BlockTypeDirect2GateData(int* gate_count, u8 block_type, int direct);
+extern void mRF_CheckBeastRoad();
+extern int mRF_RiverIdx2NextDirect(int river_idx);
+extern int mRF_BlockType2RiverNextDirect(u8 type);
+extern void mRF_IslandBgData_To_VillageData();
+extern int mRF_CheckFieldStep3();
+
+extern mFM_combo_info_c data_combi_table[];
+extern int data_combi_table_number;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

include/m_random_field_h.h

@@ -1,5 +1,5 @@
-#ifndef M_RANDOM_FIELD_H
-#define M_RANDOM_FIELD_H
+#ifndef M_RANDOM_FIELD_H_H
+#define M_RANDOM_FIELD_H_H
 
 #include "types.h"
 
@@ -31,13 +31,13 @@ extern "C" {
 #define mRF_BLOCKKIND_OCEAN (1 << 20)
 #define mRF_BLOCKKIND_ISLAND (1 << 21)
 #define mRF_BLOCKKIND_OFFING (1 << 22)
-#define mRF_BLOCKKIND_23 (1 << 23)
-#define mRF_BLOCKKIND_24 (1 << 24)
-#define mRF_BLOCKKIND_25 (1 << 25)
-#define mRF_BLOCKKIND_26 (1 << 26)
-#define mRF_BLOCKKIND_27 (1 << 27)
-#define mRF_BLOCKKIND_28 (1 << 28)
-#define mRF_BLOCKKIND_29 (1 << 29)
+#define mRF_BLOCKKIND_RIVER0 (1 << 23)
+#define mRF_BLOCKKIND_RIVER1 (1 << 24)
+#define mRF_BLOCKKIND_RIVER2 (1 << 25)
+#define mRF_BLOCKKIND_RIVER3 (1 << 26)
+#define mRF_BLOCKKIND_RIVER4 (1 << 27)
+#define mRF_BLOCKKIND_RIVER5 (1 << 28)
+#define mRF_BLOCKKIND_RIVER6 (1 << 29)
 #define mRF_BLOCKKIND_DOCK (1 << 30)
 #define mRF_BLOCKKIND_ISLAND_LEFT (1 << 31)
 

include/m_random_field_ovl.h

@@ -0,0 +1,19 @@
+#ifndef M_RANDOM_FIELD_OVL_H
+#define M_RANDOM_FIELD_OVL_H
+
+#include "types.h"
+#include "m_random_field_h.h"
+#include "m_field_make.h"
+#include "game_h.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void mRF_MakeRandomField_ovl(mFM_combination_c* combi_table, mFM_combo_info_c* combo_info, int combo_count, GAME* game);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif