1 files changed, 132 insertions, 0 deletions
diff --git a/reverse-engineering/dosbox_snif/dos_lemm.h b/reverse-engineering/dosbox_snif/dos_lemm.h
new file mode 100644
index 0000000..f6c7c95
--- /dev/null
+++ b/reverse-engineering/dosbox_snif/dos_lemm.h
@@ -0,0 +1,132 @@
+#ifndef _DOS_LEMM_H
+#define _DOS_LEMM_H
+
+
+struct _state {
+	uint8_t s_splatting:1;		//0x01
+	uint8_t s_exploding:1;		//0x02 combinable 
+	uint8_t s_falling:1;		//0x04
+	uint8_t s_ascending:1;		//0x08
+	uint8_t s_digging:1;		//0x10
+	uint8_t s_climbing:1;		//0x20
+	uint8_t s_climb_ending:1;	//0x40
+	uint8_t s_building:1;		//0x80
+
+	uint8_t s_blocking:1;		//0x01
+	uint8_t s_bashing:1;		//0x02
+	uint8_t s_floating:1;		//0x04
+	uint8_t s_mining:1;		//0x08
+	uint8_t s_drawning:1;		//0x10
+	uint8_t s_ending:1;		//0x20
+	uint8_t s_dying:1;		//0x40
+	uint8_t s_exploding2:1;		//0x80
+} __attribute__ ((__packed__));
+
+union state {
+	uint16_t raw;
+	struct _state bits;
+};
+
+enum state_masks {
+	s_splatting	= 0x01,
+	s_exploding	= 0x02,
+	s_falling	= 0x04,
+	s_ascending	= 0x08,
+	s_digging	= 0x10,
+	s_climbing	= 0x20,
+	s_climb_ending	= 0x40,
+	s_building	= 0x80,
+
+	s_blocking	= 0x0100,
+	s_bashing	= 0x0200,
+	s_floating	= 0x0400,
+	s_mining	= 0x0800,
+	s_drawning	= 0x1000,
+	s_ending	= 0x2000,
+	s_dying		= 0x4000,
+	s_exploding2	= 0x8000
+};
+
+struct _flags1 {
+	uint8_t fl1_cap_climber:1;	// 0x01
+	uint8_t fl1_unused:6;
+	uint8_t fl1_walk_pause_for_shruggling:1; // 0x80
+} __attribute__ ((__packed__));
+
+union flags1 {
+	uint8_t raw;
+	struct _flags1 bits;
+};
+
+enum flags1_masks {
+	fl1_cap_climber = 0x01;
+	fl1_walk_pause_for_shruggling = 0x80;
+}
+
+struct _lemm_data {
+	/* First lemm is at ds:si == 0b55:0085 */
+	uint16_t x_effective;	//0x0 - 0x1
+	uint16_t y_effective;	//0x2 - 0x3
+	int16_t x_spr_offset;	//0x4 - 0x5
+	int16_t y_spr_offset;	//0x6 - 0x7
+	union state state;	//0x8 - 0x9
+	uint8_t b_10,b_11;
+	uint16_t spr_data_ptr;	//0xc - 0xd
+	uint8_t floattime_dble;	//0xe
+	uint8_t b_15,b_16,b_17,b_18,b_19;
+	uint16_t ptr2;		//0x14 - 0x15
+	uint8_t b_22,b_23,b_24,b_25,b_26,b_27,b_28,b_29,b_30,b_31;
+	uint8_t expl_countdown;	//0x20
+	uint8_t steps_remain;	//0x21
+	uint8_t b_34;
+	uint8_t falldist;	//0x23
+	union flags1 flags1;	//0x24
+	uint8_t cap_floater;	//0x25
+	uint8_t is_gone;	//0x26
+	int8_t direction;	//0x27
+	uint8_t spr_frame;	//0x28
+	uint8_t draw_hint;	//0x29
+	uint8_t b_42,b_43,b_44;
+} __attribute__ ((__packed__));
+
+union lemm_data {
+	unsigned char raw[0x2d];
+	struct _lemm_data s;
+};
+
+enum draw_hint {
+	hint_nothing=0x00, hint_falling=0x04, hint_special1=0x08, /* climbing or slow falling or shruggling */
+	hint_walking=0x09, hint_building=0x10, hint_mining=0x18, hint_bashing=0x20
+};
+
+struct _avail_skills {
+	uint8 sk_climber, sk_climber2, sk_climber_tag;	// [0x67]
+	uint8 sk_floater, sk_floater2, sk_floater_tag;	// [0x6a]
+	uint8 sk_bomber, sk_bomber2, sk_bomber_tag;	// [0x6d]
+	uint8 sk_blocker, sk_blocker2, sk_blocker_tag;	// [0x70]
+	uint8 sk_builder, sk_builder2, sk_builder_tag;	// [0x73]
+	uint8 sk_basher, sk_basher2, sk_basher_tag;	// [0x76]
+	uint8 sk_miner, sk_miner2, sk_miner_tag;	// [0x79]
+	uint8 sk_digger, sk_digger2, sk_digger_tag;	// [0x7c]
+} __attribute__ ((__packed__)); 
+
+struct game_data {
+	/* ds == 0x0b55 */
+	uint8 unk1[0x27];			// TODO
+	uint8 paused;				// [0x28]
+	uint8 unk2[0x10];			// TODO
+	uint8 lemm_count_to_process;		// [0x39]
+	uint8 lemm_spawned_count;		// [0x40]
+	uint8 unk3;				// TODO
+	uint8 lemm_out_count;			// [0x42]
+	uint8 unk4;				// TODO
+	uint8 lemm_level_count;			// [0x44]
+	uint8 next_spawn_ticks;			// [0x45]
+	uint8 spawn_rate_ticks;			// [0x46]
+	uint8 unk5[0x20];			// TODO
+	struct _avail_skills avail_skills;	// [0x67] - [0x7e]
+	uint8 unk6[0x06];			// TODO
+	struct _lemm_data lemmings[100];	// [0x85]
+} __attribute__ ((__packed__));
+	
+#endif /*_DOS_LEMM_H*/