mirror of https://github.com/nmlgc/ReC98.git
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
// Sets [velocity] to a vector with the given [angle] and a 12-pixel length.
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//
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// TH05 also insists on setting shot_t::angle via a ridiculous out-of-bounds
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// access, and therefore *must* be called with [velocity] pointing inside a
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// shot_t structure!
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SPPoint pascal near shot_velocity_set(
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SPPoint near* velocity, unsigned char angle
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);
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struct shot_t {
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char flag;
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char age;
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motion_t pos;
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// The displayed sprite changes between this one and
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// [patnum_base + 1] every two frames.
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#if GAME == 5
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char patnum_base;
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char type;
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#else
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int patnum_base;
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#endif
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char damage;
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char angle; // Unused in TH04
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void from_option_l(float offset = 0.0f) {
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this->pos.cur.x -= PLAYER_OPTION_DISTANCE + offset;
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}
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void from_option_r(float offset = 0.0f) {
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this->pos.cur.x += PLAYER_OPTION_DISTANCE + offset;
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}
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void set_option_sprite() {
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this->patnum_base = PAT_SHOT_SUB;
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}
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void set_option_sprite_and_damage(char damage) {
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set_option_sprite();
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this->damage = damage;
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}
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void set_random_angle_forwards(char random_range = 15, char offset = 184) {
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shot_velocity_set(
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(SPPoint near*)&this->pos.velocity,
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randring_angle(random_range, offset)
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);
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}
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};
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#if (GAME == 4)
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# define SHOT_COUNT 68
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#endif
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extern unsigned char shot_time;
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extern shot_t near shots[SHOT_COUNT];
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// Points to the next free entry in [shots].
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extern shot_t near *shot_ptr;
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// Index of the last valid entry in [shots].
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extern char shot_last_id;
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// Only used for hit detection in TH04. TH05 also uses it in shots_render().
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struct shot_alive_t {
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SPPoint pos;
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shot_t near *shot;
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};
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extern unsigned int shots_alive_count;
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extern shot_alive_t shots_alive[SHOT_COUNT];
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// Searches and returns the next free shot slot, or NULL if there are no more
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// free ones.
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shot_t near* pascal near shots_add(void);
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// Also renders hitshots in TH05.
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void pascal near shots_render(void);
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