.RDT (Resident Evil) - pmandin/reevengi-tools GitHub Wiki

• Games
• Structure
• Header
• Object list
• Camera positions
  • Image masks
• Offset 0, camera switches
• Offset 2, items? obstacles?
• Offset 6, initialization script for room
  • Bytes 0x00 - 0x0f
  • Bytes 0x10 - 0x1f
  • Bytes 0x20 - 0x2f
  • Bytes 0x30 - 0x3f
  • Bytes 0x40 - 0x50
  • Objects for bit operations
• Offset 7, execution script for room
• Offset 8, Script events ?
• Offset 9, skeleton
• Offset 10, skeleton animation steps

typedef struct {
	unsigned char opcode; /* 0x01 */
	unsigned char block_length;
} script_if_t;

typedef struct {
	unsigned char opcode;	/* 0x04 */
	unsigned char object;
	unsigned char param;	/* Bits 7-5: Longword index in object, see array following */
				/* Bits 4-0: Bit number to test */
	unsigned char op;	/* Operation */
				/* 0x00:test bit is 0 */
				/* 0x01:test bit is 1 */
} script_bit_test_t;

typedef struct {
	unsigned char opcode;	/* 0x05 */
	unsigned char object;	/* Number of object to operate on, see array following */
	unsigned char param;	/* Bits 7-5: Longword index in object */
				/* Bits 4-0: Bit number to clear/set/change is (31-this field value) */
	unsigned char op;	/* Operation */
				/* 0x00:clear bit */
				/* 0x01:set bit */
				/* 0x02:change bit */
} script_bit_op_t;

typedef struct {
	unsigned char opcode;	/* 0x06 */
	unsigned char src;	/* Index in some object for source value */
				/* 0x00:Current stage */
				/* 0x01:Current room */
				/* 0x02:Current camera */
				/* 0x03:Stage and room */
				/* 0x04:Previous/next camera */
				/* 0x05:? */
				/* 0x06:? */
				/* 0x07:? Used in instruction 0x1a */
				/* 0x08:? Used in instruction 0x1c */
				/* 0x09:Flags for current camera */
	unsigned char func;	/* Compare function */
				/* 0x00:EQ */
				/* 0x01:LT */
				/* 0x02:LE */
				/* 0x03:GT */
				/* 0x04:GE */
				/* 0x05:NE */
	char param;		/* Raw value to compare against */
} script_obj06_test_t;

typedef struct {
	unsigned char opcode;	/* 0x07 */
	unsigned char dummy;
	unsigned char src;	/* Word index in some object for source value */
				/* (not the same object as instruction 0x06) */
	unsigned char func;	/* Compare function */
				/* 0x00:EQ */
				/* 0x01:LT */
				/* 0x02:LE */
				/* 0x03:GT */
				/* 0x04:GE */
				/* 0x05:NE */
	short param;		/* Raw value to compare against */
} script_obj07_test_t;

typedef struct {
	unsigned char opcode;	/* 0x08 */
	unsigned char src;	/* Index in some object, see instruction 0x06 */
	char value;		/* New value */
	unsigned char dummy;
} script_obj06_set_t;

typedef struct {
	unsigned char opcode;	/* 0x0c */
	unsigned char id;
	short x,y,w,h;
	unsigned char anim;	/* Door animation, i.e. index in array of door filenames (see below) */
	unsigned char unknown0[4];
	unsigned char next_stage_and_room;	/* bits 7,6,5: stage, 4,3,2,1,0: room */
	short next_x,next_y,next_z;
	short next_dir;
	unsigned char unknown2[2];
} script_door_set_t;

/* Files are located in item_m1 directory */
const char *doorfiles[]={
	"door00.dor",
	"door01.dor",
	"door02.dor",
	"door03.dor",
	"door04.dor",
	"door05.dor",
	"door06.dor",
	"door07.dor",
	"door08.dor",
	"door09.dor",
	"door10.dor",
	"door11.dor",
	"door12.dor",
	"door13.dor",
	"door14.dor",
	"mon.dor",
	"ele03.dor",
	"ele01.dor",
	"ele01a.dor",
	"ele01b.dor",
	"ele02.dor",
	"ele04.dor",
	"kai01.dor",
	"kai03.dor",
	"kai02.dor",
	"kai04.dor",
	"lad01.dor",
	"lad02.dor",
	"door00k.dor",
	"door01k.dor",
	"door03k.dor",
	"door05k.dor",
	"door06k.dor",
	"door15.dor"
};

typedef struct {
	unsigned char opcode;	/* 0x0d */
	unsigned char id;
	short x,y,w,h;
	unsigned char type;	/* 0x02: message, obstacle? */
				/* 0x07: trigger,event,movable object? */
				/* 0x08: box */
				/* 0x09: pickable object, trigger? */
				/* 0x10: typewriter */
	unsigned char unknown[7];
} script_item_set_t;

typedef struct {
	unsigned char opcode;	/* 0x0f */
	unsigned char bitmask;
	unsigned short unknown[3];
} script_inst0f_t;

typedef struct {
	unsigned char opcode;	/* 0x10 */
	char value;
} script_obj10_test_t;

typedef struct {
	unsigned char opcode;	/* 0x11 */
	char value;
} script_obj11_test_t;

typedef struct {
	unsigned char opcode;	/* 0x12 */
	unsigned char id;
	unsigned char unknown0[2];
	short unknown1[3];
} script_inst12_t;

typedef struct {
	unsigned char opcode;	/* 0x13 */
	unsigned char id;
	unsigned char unknown0[2];
} script_inst13_t;

typedef struct {
	unsigned char opcode;	/* 0x14 */
	unsigned char dummy;
	unsigned char param1;
	unsigned char param2;
} script_inst14_t;

typedef struct {
	unsigned char opcode;	/* 0x18 */
	unsigned char id;
	unsigned char unknown[24];
} script_item_model_set_t;

typedef struct {
	unsigned char opcode;	/* 0x09 */
	unsigned char src;	/* Index in some object */
	char value;		/* New value */
	unsigned char dummy;
} script_obj19_set_t;

typedef struct {
	unsigned char opcode;	/* 0x1b */
	unsigned char model;
	unsigned char unknown0[4]; /* unknown0[1]=0xff for other character, else enemy */
	long x,y,z;
	short dir;
	unsigned short unknown1;
} script_em_set_t;

typedef struct {
	unsigned char opcode;	/* 0x1c */
	unsigned char unknown0;
	unsigned short unknown1[2];
} script_inst1c_t;

typedef struct {
	unsigned char opcode;	/* 0x1e */
	unsigned char unknown0;
	unsigned short unknown1;
} script_inst1e_t;

typedef struct {
	unsigned char opcode;	/* 0x1f */
	unsigned char id;	/* Bits 5-0: Index in array stored at offset 2 of RDT file */
	unsigned char type;	/* 0x11: safe lid ? */
	unsigned char unknown[25];
} script_om_set_t;

typedef struct {
	unsigned char opcode;	/* 0x20 */
	unsigned char dummy;
	short dir_x,dir_y,dir_z;
	short pos_x,pos_y,pos_z;
} script_inst20_t;

typedef struct {
	unsigned char opcode;	/* 0x23 */
	unsigned char flag;
} script_inst23_t;

typedef struct {
	unsigned char opcode;	/* 0x4c */
	unsigned char unknown[3];
} script_inst4c_t;

typedef struct {
	unsigned char opcode; /* 0xfa */
	unsigned char dummy;
	unsigned short count;
} event_for_t;

typedef struct {
	unsigned char opcode; /* 0xfc */
	unsigned char block_length;
	unsigned char bytecode_inst[];
} event_set_inst_t;