1 files changed, 98 insertions, 0 deletions
diff --git a/src/monster_type.hpp b/src/monster_type.hpp
new file mode 100644
index 00000000..8353f228
--- /dev/null
+++ b/src/monster_type.hpp
@@ -0,0 +1,98 @@
+#pragma once
+
+#include "h-basic.h"
+#include "monster_blow.hpp"
+#include "monster_race_fwd.hpp"
+
+#include <cassert>
+#include <vector>
+#include <memory>
+
+/**
+ * Monster information for a specific monster.
+ *
+ * Note: fy, fx constrain dungeon size to 256x256
+ *
+ * The "hold_o_idx" field points to the first object of a stack
+ * of objects (if any) being carried by the monster (see above).
+ */
+struct monster_type
+{
+	s16b r_idx = 0;                     /* Monster race index */
+
+	u16b ego = 0;                       /* Ego monster type */
+
+	byte fy = 0;                        /* Y location on map */
+	byte fx = 0;                        /* X location on map */
+
+	s32b hp = 0;                        /* Current Hit points */
+	s32b maxhp = 0;                     /* Max Hit points */
+
+	monster_blow blow[4] = {            /* Up to four blows per round */
+		{ 0, 0, 0, 0 },
+		{ 0, 0, 0, 0 },
+		{ 0, 0, 0, 0 },
+		{ 0, 0, 0, 0 },
+	};
+
+	byte speed = 0;                     /* Speed (normally 110) */
+	byte level = 0;                     /* Level of creature */
+	s16b ac = 0;                        /* Armour Class */
+	s32b exp = 0;                       /* Experience */
+
+	s16b csleep = 0;                    /* Inactive counter */
+
+	byte mspeed = 0;                    /* Monster "speed" */
+	byte energy = 0;                    /* Monster "energy" */
+
+	byte stunned = 0;                   /* Monster is stunned */
+	byte confused = 0;                  /* Monster is confused */
+	byte monfear = 0;                   /* Monster is afraid */
+
+	s16b bleeding = 0;                  /* Monster is bleeding */
+	s16b poisoned = 0;                  /* Monster is poisoned */
+
+	byte cdis = 0;                      /* Current dis from player */
+
+	s32b mflag = 0;                     /* Extra monster flags */
+
+	bool_ ml = FALSE;                   /* Monster is "visible" */
+
+	std::vector<s16b> hold_o_idxs { };  /* Objects being held */
+
+	u32b smart = 0;                     /* Field for "smart_learn" */
+
+	s16b status = 0;                    /* Status(friendly, pet, companion, ..) */
+
+	s16b target = 0;                    /* Monster target */
+
+	s16b possessor = 0;                 /* Is it under the control of a possessor ? */
+
+	/**
+	 * @brief get the "effective race" of the monster. This incorporates
+	 * the effects of the "ego" of the monster, if any.
+	 */
+	std::shared_ptr<monster_race> race() const;
+
+	/**
+	 * @brief wipe the object's state
+	 */
+	void wipe()
+	{
+		/* Reset to defaults */
+		*this = monster_type();
+	}
+
+	/**
+	 * Get the o_idx of the object being mimicked
+	 */
+	s16b mimic_o_idx() const
+	{
+		// We *should* also assert that the monster has flag RF9_MIMIC,
+		// but it's currently not safe since the functions we need for
+		// that are a) expensive, and b) side-effecting via statics.
+		assert(hold_o_idxs.size() == 1); // Mimics are defined by exactly one object
+		return hold_o_idxs.front();
+	}
+
+};