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#include "z64skin.h"
#include "global.h"
#include "z64malloc.h"
#include "2s2h/BenPort.h"
void Skin_Setup(Skin* skin) {
skin->skeletonHeader = NULL;
skin->limbCount = 0;
skin->vtxTable = NULL;
}
/**
* Initialises the Vtx buffers used for limb at index `limbIndex`
*/
void Skin_InitAnimatedLimb(GameState* gameState, Skin* skin, s32 limbIndex) {
s32 i;
SkinLimb** skeleton = Lib_SegmentedToVirtual(skin->skeletonHeader->segment);
SkinAnimatedLimbData* animatedLimbData =
Lib_SegmentedToVirtual(((SkinLimb*)Lib_SegmentedToVirtual(skeleton[limbIndex]))->segment);
SkinLimbModif* limbModifications = Lib_SegmentedToVirtual(animatedLimbData->limbModifications);
for (i = 0; i < ARRAY_COUNT(skin->vtxTable->buf); i++) {
Vtx* vertices = skin->vtxTable[limbIndex].buf[i];
SkinLimbModif* modifEntry;
for (modifEntry = limbModifications; modifEntry < &limbModifications[animatedLimbData->limbModifCount];
modifEntry++) {
SkinVertex* skinVertices = Lib_SegmentedToVirtual(modifEntry->skinVertices);
SkinVertex* skinVtxEntry;
for (skinVtxEntry = skinVertices; skinVtxEntry < &skinVertices[modifEntry->vtxCount];) {
Vtx* vtx = &vertices[skinVtxEntry->index];
skinVtxEntry++;
vtx->n.flag = 0;
vtx->n.tc[0] = skinVtxEntry[-1].s;
vtx->n.tc[1] = skinVtxEntry[-1].t;
vtx->n.a = skinVtxEntry[-1].alpha;
}
}
}
}
/**
* Initializes a skin skeleton to looping animation, dynamically allocating the frame tables,
* and dynamically allocating and initialising the Vtx and SkinLimbVtx buffers for its animated limbs
*/
void Skin_Init(GameState* gameState, Skin* skin, SkeletonHeader* skeletonHeader, AnimationHeader* animationHeader) {
s32 limbCount;
s32 i;
SkinLimb** skeleton;
if (ResourceMgr_OTRSigCheck(skeletonHeader)) {
skeletonHeader = ResourceMgr_LoadSkeletonByName(skeletonHeader, NULL);
}
SkeletonHeader* virtSkelHeader = Lib_SegmentedToVirtual(skeletonHeader);
skin->limbCount = virtSkelHeader->limbCount;
skin->skeletonHeader = virtSkelHeader;
limbCount = skin->skeletonHeader->limbCount;
skeleton = Lib_SegmentedToVirtual(skin->skeletonHeader->segment);
skin->vtxTable = ZeldaArena_Malloc(limbCount * sizeof(SkinLimbVtx));
for (i = 0; i < limbCount; i++) {
SkinLimbVtx* vtxEntry = &skin->vtxTable[i];
if ((((SkinLimb*)Lib_SegmentedToVirtual(skeleton[i]))->segmentType != SKIN_LIMB_TYPE_ANIMATED) ||
(((SkinLimb*)Lib_SegmentedToVirtual(skeleton[i]))->segment == NULL)) {
vtxEntry->index = 0;
vtxEntry->buf[0] = NULL;
vtxEntry->buf[1] = NULL;
} else {
SkinAnimatedLimbData* animatedLimbData =
Lib_SegmentedToVirtual((((SkinLimb*)Lib_SegmentedToVirtual(skeleton[i]))->segment));
{ s32 tmp; }
vtxEntry->index = 0;
vtxEntry->buf[0] = ZeldaArena_Malloc(animatedLimbData->totalVtxCount * sizeof(Vtx));
vtxEntry->buf[1] = ZeldaArena_Malloc(animatedLimbData->totalVtxCount * sizeof(Vtx));
Skin_InitAnimatedLimb(gameState, skin, i);
}
}
SkelAnime_InitSkin(gameState, &skin->skelAnime, skeletonHeader, animationHeader);
}
/**
* Frees the dynamically allocated Vtx and SkinLimbVtx buffers and tables
*/
void Skin_Free(GameState* gameState, Skin* skin) {
if (skin->vtxTable != NULL) {
s32 i;
for (i = 0; i < skin->limbCount; i++) {
if (skin->vtxTable[i].buf[0] != NULL) {
ZeldaArena_Free(skin->vtxTable[i].buf[0]);
skin->vtxTable[i].buf[0] = NULL;
}
if (skin->vtxTable[i].buf[1] != NULL) {
ZeldaArena_Free(skin->vtxTable[i].buf[1]);
skin->vtxTable[i].buf[1] = NULL;
}
}
if (skin->vtxTable != NULL) {
ZeldaArena_Free(skin->vtxTable);
}
SkelAnime_Free(&skin->skelAnime, (PlayState*)gameState);
}
}
s32 func_801387D4(Skin* skin, SkinLimb** skeleton, MtxF* limbMatrices, u8 parentIndex, u8 limbIndex) {
s32 pad;
SkinLimb* limb = Lib_SegmentedToVirtual(skeleton[limbIndex]);
MtxF* mtx;
s32 ret;
MtxF sp28;
if (parentIndex == LIMB_DONE) {
SkinMatrix_GetClear(&mtx);
} else {
mtx = &limbMatrices[(s32)parentIndex];
}
SkinMatrix_MtxFMtxFMult(mtx, &limbMatrices[limbIndex], &sp28);
SkinMatrix_MtxFCopy(&sp28, &limbMatrices[limbIndex]);
if (limb->child != LIMB_DONE) {
ret = func_801387D4(skin, skeleton, limbMatrices, limbIndex, limb->child);
if (ret) {
return ret;
}
}
if (limb->sibling != LIMB_DONE) {
ret = func_801387D4(skin, skeleton, limbMatrices, parentIndex, limb->sibling);
if (ret) {
return ret;
}
}
return false;
}
/**
* Recursively applies matrix tranformations to each limb
*/
s32 Skin_ApplyAnimTransformations(Skin* skin, MtxF* limbMatrices, Actor* actor, s32 setTranslation) {
s32 i;
s32 pad;
f32 yRot;
f32 xRot;
f32 zRot;
s32 ret;
f32 yTransl;
f32 xTransl;
f32 zTransl;
SkinLimb** skeleton = Lib_SegmentedToVirtual(skin->skeletonHeader->segment);
Vec3s* jointRot = skin->skelAnime.jointTable;
jointRot++;
xRot = jointRot->x;
yRot = jointRot->y;
zRot = jointRot->z;
if (setTranslation) {
jointRot--;
xTransl = jointRot->x;
yTransl = jointRot->y;
zTransl = jointRot->z;
jointRot++;
SkinMatrix_SetRotateRPYTranslate(limbMatrices, xRot, yRot, zRot, xTransl, yTransl, zTransl);
} else {
SkinMatrix_SetRotateRPYTranslate(limbMatrices, xRot, yRot, zRot, 0.0f, 0.0f, 0.0f);
}
jointRot++;
for (i = 1; i < skin->skeletonHeader->limbCount; i++) {
SkinLimb* limb = Lib_SegmentedToVirtual(skeleton[i]);
xTransl = limb->jointPos.x;
yTransl = limb->jointPos.y;
zTransl = limb->jointPos.z;
xRot = jointRot->x;
yRot = jointRot->y;
zRot = jointRot->z;
jointRot++;
SkinMatrix_SetRotateRPYTranslate(&limbMatrices[i], xRot, yRot, zRot, xTransl, yTransl, zTransl);
}
SkinMatrix_SetScaleRotateYRPTranslate(
&skin->mtx, actor->scale.x, actor->scale.y, actor->scale.z, actor->shape.rot.x, actor->shape.rot.y,
actor->shape.rot.z, actor->world.pos.x, actor->world.pos.y + (actor->shape.yOffset * actor->scale.y),
actor->world.pos.z);
ret = func_801387D4(skin, Lib_SegmentedToVirtual(skin->skeletonHeader->segment), limbMatrices, LIMB_DONE, 0);
if (!ret) {
return ret;
}
return false;
}
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