mirror of https://github.com/nmlgc/ReC98.git
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#include <mem.h>
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#include "th04/main/item/splash.hpp"
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#define ITEM_SPLASH_RADIUS_START 2.0f
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#define ITEM_SPLASH_RADIUS_DELTA 2.0f
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#define ITEM_SPLASH_RADIUS_END 32.0f
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extern unsigned char item_splash_last_id;
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void near item_splashes_init(void)
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{
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// memset(item_splashes, 0x00, sizeof(item_splashes));
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_CX = (sizeof(item_splashes) / sizeof(uint16_t));
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_ES = _DS;
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_AX = 0x00;
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reinterpret_cast<item_splash_t near *>(_DI) = item_splashes;
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asm { rep stosw; }
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item_splash_last_id = 0;
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}
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void pascal near item_splashes_add(Subpixel center_x, Subpixel center_y)
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{
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item_splash_t near &splash = item_splashes[item_splash_last_id];
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item_splash_last_id++;
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if(item_splash_last_id >= ITEM_SPLASH_COUNT) {
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item_splash_last_id = 0;
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}
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if(splash.flag != F_FREE) {
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return;
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}
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splash.flag = F_ALIVE;
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splash.center.x = center_x;
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splash.center.y = center_y;
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splash.radius_cur.set(ITEM_SPLASH_RADIUS_START);
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splash.time = (ITEM_SPLASH_RADIUS_END / ITEM_SPLASH_RADIUS_DELTA);
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splash.radius_prev.set(ITEM_SPLASH_RADIUS_START);
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}
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void near item_splashes_update(void)
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{
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item_splash_t near *p;
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int i;
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for((p = item_splashes, i = 0); i < ITEM_SPLASH_COUNT; (i++, p++)) {
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if(p->flag == F_FREE) {
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continue;
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} else if(p->flag == F_REMOVE) {
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p->flag = F_FREE;
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} else {
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p->radius_prev = p->radius_cur;
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p->radius_cur += ITEM_SPLASH_RADIUS_DELTA;
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if(p->radius_cur.v >= to_sp(ITEM_SPLASH_RADIUS_END)) {
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p->flag = F_REMOVE;
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}
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}
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}
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}
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