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#include "z64eff_footmark.h"
#include "z64.h"
#include "macros.h"
#include "assets/code/eff_footmark/eff_footmark.c"
void EffFootmark_Init(PlayState* play) {
EffFootmark* footmark;
s32 i;
for (footmark = play->footprintInfo, i = 0; i < ARRAY_COUNT(play->footprintInfo); i++, footmark++) {
footmark->actor = NULL;
footmark->pos.x = 0;
footmark->pos.y = 0;
footmark->pos.z = 0;
footmark->flags = 0;
footmark->id = 0;
footmark->alpha = 0;
footmark->alphaChange = 0;
}
}
void EffFootmark_Add(PlayState* play, MtxF* mf, Actor* actor, u8 id, Vec3f* pos, u16 size, u8 red, u8 green, u8 blue,
u16 alpha, u16 alphaChange, u16 fadeOutDelay) {
s32 i;
EffFootmark* footmark;
EffFootmark* destination = NULL;
EffFootmark* oldest = NULL;
s32 isNew = true;
for (footmark = play->footprintInfo, i = 0; i < ARRAY_COUNT(play->footprintInfo); i++, footmark++) {
if (((actor == footmark->actor) && (footmark->id == id)) && !(footmark->flags & FOOTMARK_FLAG_1)) {
if (fabsf(footmark->pos.x - pos->x) <= 1) {
if (fabsf(footmark->pos.z - pos->z) <= 1) {
isNew = false;
break;
}
}
// This footmark is being re-added at a new pos. Let's mark this one to start fading out.
footmark->flags = FOOTMARK_FLAG_1;
}
if (footmark->actor == NULL) {
destination = footmark;
} else if (destination == NULL) {
if (((oldest != NULL) && (footmark->age > oldest->age)) || (oldest == NULL)) {
oldest = footmark;
}
}
}
if (isNew && ((destination != NULL) || (oldest != NULL))) {
if (destination == NULL) {
destination = oldest;
}
Matrix_MtxFCopy(&destination->mf, mf);
destination->actor = actor;
destination->pos.x = pos->x;
destination->pos.y = pos->y;
destination->pos.z = pos->z;
destination->flags = 0;
destination->id = id;
destination->red = red;
destination->green = green;
destination->blue = blue;
destination->alpha = alpha;
destination->alphaChange = alphaChange;
destination->size = size;
destination->fadeOutDelay = fadeOutDelay;
destination->age = 0;
}
}
void EffFootmark_Update(PlayState* play) {
EffFootmark* footmark;
s32 i;
for (footmark = play->footprintInfo, i = 0; i < ARRAY_COUNT(play->footprintInfo); i++, footmark++) {
if (footmark->actor == NULL) {
continue;
}
if (CHECK_FLAG_ALL(footmark->flags, FOOTMARK_FLAG_1)) {
if ((u32)footmark->age < UINT16_MAX) {
footmark->age++;
}
if (footmark->fadeOutDelay == 0) {
if (footmark->alpha >= footmark->alphaChange + 0x1000) {
footmark->alpha -= footmark->alphaChange;
} else {
footmark->actor = NULL;
}
} else if (footmark->fadeOutDelay > 0) {
footmark->fadeOutDelay--;
}
}
}
}
void EffFootmark_Draw(PlayState* play) {
EffFootmark* footmark;
s32 i;
OPEN_DISPS(play->state.gfxCtx);
Gfx_SetupDL44_Xlu(play->state.gfxCtx);
gSPDisplayList(POLY_XLU_DISP++, gEffFootprintMaterialDL);
for (footmark = play->footprintInfo, i = 0; i < ARRAY_COUNT(play->footprintInfo); i++, footmark++) {
if (footmark->actor != NULL) {
Matrix_Put(&footmark->mf);
Matrix_Scale(footmark->size * (1.0f / 0x100) * 0.7f, 1, footmark->size * (1.0f / 0x100), MTXMODE_APPLY);
MATRIX_FINALIZE_AND_LOAD(POLY_XLU_DISP++, play->state.gfxCtx);
gDPSetPrimColor(POLY_XLU_DISP++, 0, 0, footmark->red, footmark->green, footmark->blue,
footmark->alpha >> 8);
gSPDisplayList(POLY_XLU_DISP++, gEffFootprintModelDL);
}
}
CLOSE_DISPS(gfxCtx);
}
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