footprint.c

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#include "common.h"
#include "effects_internal.h"
 
extern Gfx D_09000240_32FD90[];
 
void func_E0018000(FootprintFXData* part);
void footprint_init(EffectInstance* effect);
void footprint_update(EffectInstance* effect);
void footprint_render(EffectInstance* effect);
void footprint_appendGfx(void* effect);
 
void func_E0018000(FootprintFXData* part) {
    Matrix4f sp18;
    Matrix4f sp58;
 
    guTranslateF(sp18, part->pos.x, part->pos.y, part->pos.z);
    guRotateF(sp58, part->rot.y, 0.0f, 1.0f, 0.0f);
    guMtxCatF(sp58, sp18, sp18);
    guMtxF2L(sp18, &part->mtx);
}
 
void footprint_main(f32 x, f32 y, f32 z, f32 angle, b32 isLeft) {
    EffectBlueprint bp;
    EffectInstance* effect;
    FootprintFXData* part;
    s32 numParts = 1;
    s32 i;
    f32 temp_f20;
    f32 temp_f20_2;
    f32 sense = isLeft ? 1.0 : -1.0;
 
    bp.unk_00 = 0;
    bp.init = footprint_init;
    bp.update = footprint_update;
    bp.renderScene = footprint_render;
    bp.renderUI = NULL;
    bp.effectID = EFFECT_FOOTPRINT;
 
    effect = create_effect_instance(&bp);
    effect->numParts = 1;
    part = general_heap_malloc(numParts * sizeof(*part));
    effect->data.footprint = part;
 
    ASSERT(effect->data.footprint != NULL);
 
    mem_clear(part, numParts * sizeof(*part));
 
    for (i = 0; i < numParts; i++, part++) {
        part->alive = TRUE;
        part->unk_7C = 0;
        part->pos.x = x;
        part->pos.y = y;
        part->pos.z = z;
        part->alpha = 255;
        part->scale.x = 1.0f;
        part->scale.y = 1.0f;
        part->scale.z = 1.0f;
        part->unk_70 = 0;
        part->unk_80 = 0;
        part->unk_84 = 0;
        part->lifetime = 100;
        part->rot.x = 0.0f;
        part->rot.y = angle + (sense * 30.0f) - 15.0f;
        part->rot.z = 0.0f;
        temp_f20 = clamp_angle(angle);
        part->unk_90 = sin_deg(temp_f20);
        part->unk_94 = cos_deg(temp_f20);
        temp_f20_2 = (temp_f20 + 45.0f) - (sense * 180.0f);
        part->pos.x += sin_deg(temp_f20_2) * 5.0f;
        part->pos.z += cos_deg(temp_f20_2) * 5.0f;
        part->alpha = 200;
    }
}
 
void footprint_init(EffectInstance* effect) {
}
 
void footprint_update(EffectInstance* effect) {
    FootprintFXData* part = effect->data.footprint;
    s32 cond = FALSE;
    s32 i;
 
    for (i = 0; i < effect->numParts; i++, part++) {
        if (part->alive) {
            part->lifetime--;
            if (part->lifetime <= 0) {
                part->alive = FALSE;
            } else {
                cond = TRUE;
                func_E0018000(part);
                part->alpha -= 2;
            }
        }
    }
 
    if (!cond) {
        remove_effect(effect);
    }
}
 
void footprint_render(EffectInstance* effect) {
    RenderTask renderTask;
    RenderTask* retTask;
 
    renderTask.appendGfx = footprint_appendGfx;
    renderTask.appendGfxArg = effect;
    renderTask.dist = 0;
    renderTask.renderMode = RENDER_MODE_PASS_THROUGH;
 
    retTask = queue_render_task(&renderTask);
    retTask->renderMode |= RENDER_TASK_FLAG_REFLECT_FLOOR;
}
 
void func_E00183BC(EffectInstance* effect) {
    remove_effect(effect);
}
 
void footprint_appendGfx(void* effect) {
    EffectInstance* effectInst = effect;
    FootprintFXData* part = effectInst->data.footprint;
    s32 i;
 
    gDPPipeSync(gMainGfxPos++);
    gSPSegment(gMainGfxPos++, 0x09, VIRTUAL_TO_PHYSICAL(effectInst->shared->graphics));
 
    for (i = 0; i < effectInst->numParts; i++, part++) {
        if (part->alive) {
            Gfx* dlist = D_09000240_32FD90;
 
            gDisplayContext->matrixStack[gMatrixListPos] = part->mtx;
 
            gDPSetPrimColor(gMainGfxPos++, 0, 0, 112, 96, 24, part->alpha);
            gSPMatrix(gMainGfxPos++, &gDisplayContext->matrixStack[gMatrixListPos++],
                        G_MTX_PUSH | G_MTX_MUL | G_MTX_MODELVIEW);
            gSPDisplayList(gMainGfxPos++, dlist);
            gSPPopMatrix(gMainGfxPos++, G_MTX_MODELVIEW);
        }
    }
    gDPPipeSync(gMainGfxPos++);
}