types: pull ITEM_INFO and GAME_OBJECT_ID

include/libtrx/game/items.h

@@ -0,0 +1,96 @@
+#pragma once
+
+#include "objects.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "math.h"
+
+#pragma pack(push, 1)
+
+#if TR_VERSION == 1
+typedef enum {
+    DS_CARRIED = 0,
+    DS_FALLING = 1,
+    DS_DROPPED = 2,
+    DS_COLLECTED = 3,
+} DROP_STATUS;
+
+typedef struct CARRIED_ITEM {
+    GAME_OBJECT_ID object_id;
+    int16_t spawn_num;
+    XYZ_32 pos;
+    XYZ_16 rot;
+    int16_t room_num;
+    int16_t fall_speed;
+    DROP_STATUS status;
+    struct CARRIED_ITEM *next_item;
+} CARRIED_ITEM;
+#endif
+
+typedef struct {
+    int32_t floor;
+    uint32_t touch_bits;
+    uint32_t mesh_bits;
+#if TR_VERSION == 1
+    GAME_OBJECT_ID object_id;
+#elif TR_VERSION == 2
+    int16_t object_id;
+#endif
+    int16_t current_anim_state;
+    int16_t goal_anim_state;
+    int16_t required_anim_state;
+    int16_t anim_num;
+    int16_t frame_num;
+    int16_t room_num;
+    int16_t next_item;
+    int16_t next_active;
+    int16_t speed;
+    int16_t fall_speed;
+    int16_t hit_points;
+    int16_t box_num;
+    int16_t timer;
+    uint16_t flags;
+
+#if TR_VERSION == 1
+    int16_t shade;
+    void *data;
+    void *priv;
+    CARRIED_ITEM *carried_item;
+#elif TR_VERSION == 2
+    int16_t shade1;
+    int16_t shade2;
+    int16_t carried_item;
+    void *data;
+#endif
+
+    XYZ_32 pos;
+    XYZ_16 rot;
+
+    uint16_t active : 1; // 0x0001
+    uint16_t status : 2; // 0x0002…0x0004
+    uint16_t gravity : 1; // 0x0008
+    uint16_t hit_status : 1; // 0x0010
+    uint16_t collidable : 1; // 0x0020
+    uint16_t looked_at : 1; // 0x0040
+#if TR_VERSION == 1
+    uint16_t pad : 9; // 0x0080…0x8000
+#elif TR_VERSION == 2
+    uint16_t dynamic_light : 1; // 0x0080
+    uint16_t killed : 1; // 0x0100
+    uint16_t pad : 7; // 0x0200…0x8000
+#endif
+
+#if TR_VERSION == 1
+    struct {
+        struct {
+            XYZ_32 pos;
+            XYZ_16 rot;
+        } result, prev;
+    } interp;
+#endif
+} ITEM_INFO;
+
+#pragma pack(pop)
+
+void Item_TakeDamage(ITEM_INFO *item, int16_t damage, bool hit_status);

include/libtrx/game/math.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <stdint.h>
+
+#pragma pack(push, 1)
+
+typedef struct {
+    int32_t x;
+    int32_t y;
+    int32_t z;
+} XYZ_32;
+
+typedef struct {
+    int16_t x;
+    int16_t y;
+    int16_t z;
+} XYZ_16;
+
+#pragma pack(pop)