mirror of https://github.com/nmlgc/ReC98.git
145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
/// Game-specific pattern and spawn types
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/// -------------------------------------
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#if GAME == 5
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# include "th05/bullet/pattypes.h"
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#else
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# include "th04/bullet/pattypes.h"
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#endif
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/// -------------------------------------
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/// States and modes
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/// ----------------
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#pragma option -b-
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#define BSS_CLOUD_FRAMES (BULLET_CLOUD_CELS * 4)
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#define BMS_DECAY_FRAMES (BULLET_DECAY_CELS * 4)
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#define BMS_SLOWDOWN_BASE_SPEED 4.5f
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#define BMS_SLOWDOWN_FRAMES 32
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enum bullet_spawn_state_t {
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/// Hitbox is active
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/// ----------------
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BSS_GRAZEABLE = 0,
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BSS_GRAZED = 1,
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BSS_ACTIVE = 2,
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/// ----------------
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/// Delay "cloud", no hitbox
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/// ------------------------
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BSS_CLOUD_BACKWARDS = 3,
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BSS_CLOUD_FORWARDS = 4,
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BSS_CLOUD_END = (BSS_CLOUD_FORWARDS + BSS_CLOUD_FRAMES),
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/// ------------------------
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};
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enum bullet_move_state_t {
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/// Hitbox is active
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/// ----------------
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// Slows down from BMS_SLOWDOWN_BASE_SPEED to [final_speed]
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BMS_SLOWDOWN = 0,
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// Special processing according to [special_motion]
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BMS_SPECIAL = 1,
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// No special processing
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BMS_NORMAL = 2,
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/// ----------------
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/// Decay, no hitbox
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/// ----------------
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BMS_DECAY = 4,
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BMS_DECAY_END = (BMS_DECAY + BMS_DECAY_FRAMES),
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/// ----------------
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};
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enum bullet_special_motion_t {
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};
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#pragma option -b
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/// ----------------
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struct bullet_t {
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char flag;
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char age;
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motion_t pos;
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unsigned char from_pattern; // unused
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int8_t unused;
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SubpixelLength8 speed_cur;
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unsigned char angle;
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bullet_spawn_state_t spawn_state;
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bullet_move_state_t move_state;
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bullet_special_motion_t special_motion;
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unsigned char speed_final;
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union {
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unsigned char slowdown_time; // with BMS_SLOWDOWN
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unsigned char turn_count; // with BMS_SPECIAL
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} ax;
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union {
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unsigned char slowdown_speed_delta; // with BMS_SLOWDOWN
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unsigned char turn_angle; // with BMS_SPECIAL
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} dx;
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int patnum;
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#if GAME == 5
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// Coordinates for BSM_STRAIGHT
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SPPoint origin;
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int distance;
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#endif
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};
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#define PELLET_W 8
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#define PELLET_H 8
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#define BULLET16_W 16
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#define BULLET16_H 16
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#if GAME == 5
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# define PELLET_COUNT 180
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# define BULLET16_COUNT 220
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// Returns the patnum for the directional or vector bullet sprite starting at
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// [patnum_base] that shows the given [angle].
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int pascal near bullet_patnum_for_angle(int patnum_base, unsigned char angle);
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// Updates [bullet]'s patnum based on its current angle.
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void pascal near bullet_update_patnum(bullet_t near *bullet);
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#else
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# define PELLET_COUNT 240
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# define BULLET16_COUNT 200
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// Returns the offset for a directional bullet sprite that shows the given
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// [angle].
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int pascal near bullet_patnum_for_angle(unsigned char angle);
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#endif
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#define BULLET_COUNT (PELLET_COUNT + BULLET16_COUNT)
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extern bullet_t bullets[BULLET_COUNT];
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#define pellets (&bullets[0])
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#define bullets16 (&bullets[PELLET_COUNT])
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struct bullet_template_t {
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uint8_t spawn_type;
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unsigned char patnum; // TH05: 0 = pellet
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SPPoint origin;
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#if GAME == 5
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bullet_pattern_t pattern;
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bullet_special_motion_t special_motion;
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unsigned char spread;
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unsigned char spread_angle_delta;
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unsigned char stack;
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SubpixelLength8 stack_speed_delta;
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unsigned char angle;
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SubpixelLength8 speed;
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#else
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SPPoint velocity;
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bullet_pattern_t pattern;
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unsigned char angle;
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SubpixelLength8 speed;
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unsigned char count;
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bullet_template_delta_t delta;
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uint8_t unused_1;
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bullet_special_motion_t special_motion;
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uint8_t unused_2;
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#endif
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};
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extern bullet_template_t bullet_template;
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